2018-07-17 10:35:01 +00:00
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#include "graphics/graphics.h"
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#include "graphics/canvas.h"
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#include "graphics/mesh.h"
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#include "graphics/shader.h"
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#include "graphics/texture.h"
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2018-07-17 06:51:11 +00:00
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#include "resources/shaders.h"
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#include "data/modelData.h"
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#include "math/mat4.h"
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#include "lib/vec/vec.h"
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#include <math.h>
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#include <limits.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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2018-07-17 22:05:30 +00:00
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#if EMSCRIPTEN
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#include <GLES3/gl3.h>
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#include <GLES2/gl2ext.h>
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2018-08-31 04:58:00 +00:00
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#include <GL/gl.h>
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#include <GL/glext.h>
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2018-07-17 22:05:30 +00:00
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#else
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#include "lib/glad/glad.h"
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#endif
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2018-07-17 10:35:01 +00:00
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// Types
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2018-07-17 06:51:11 +00:00
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#define MAX_TEXTURES 16
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2018-08-10 10:37:02 +00:00
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#define MAX_IMAGES 8
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2018-08-03 18:34:11 +00:00
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#define MAX_BLOCK_BUFFERS 8
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2018-07-17 06:51:11 +00:00
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#define LOVR_SHADER_POSITION 0
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#define LOVR_SHADER_NORMAL 1
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#define LOVR_SHADER_TEX_COORD 2
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#define LOVR_SHADER_VERTEX_COLOR 3
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#define LOVR_SHADER_TANGENT 4
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#define LOVR_SHADER_BONES 5
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#define LOVR_SHADER_BONE_WEIGHTS 6
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2018-08-31 13:03:35 +00:00
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typedef enum {
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BARRIER_BLOCK,
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BARRIER_UNIFORM_TEXTURE,
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BARRIER_UNIFORM_IMAGE,
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BARRIER_TEXTURE,
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BARRIER_CANVAS,
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MAX_BARRIERS
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} Barrier;
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2018-07-17 10:35:01 +00:00
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static struct {
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Texture* defaultTexture;
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BlendMode blendMode;
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BlendAlphaMode blendAlphaMode;
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bool culling;
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bool depthEnabled;
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CompareMode depthTest;
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bool depthWrite;
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float lineWidth;
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bool stencilEnabled;
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CompareMode stencilMode;
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int stencilValue;
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bool stencilWriting;
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Winding winding;
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bool wireframe;
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uint32_t framebuffer;
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uint32_t indexBuffer;
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uint32_t program;
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2018-08-31 02:42:01 +00:00
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int activeTexture;
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2018-07-17 10:35:01 +00:00
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Texture* textures[MAX_TEXTURES];
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2018-08-18 02:52:34 +00:00
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Image images[MAX_IMAGES];
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2018-08-03 18:34:11 +00:00
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uint32_t blockBuffers[2][MAX_BLOCK_BUFFERS];
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2018-07-17 10:35:01 +00:00
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uint32_t vertexArray;
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uint32_t vertexBuffer;
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2018-08-30 10:25:16 +00:00
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float viewports[2][4];
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2018-08-12 04:17:22 +00:00
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vec_void_t incoherents[MAX_BARRIERS];
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2018-07-17 10:35:01 +00:00
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bool srgb;
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2018-08-31 13:03:35 +00:00
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GpuFeatures features;
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GpuLimits limits;
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GpuStats stats;
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2018-07-17 10:35:01 +00:00
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} state;
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2018-07-17 06:51:11 +00:00
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2018-07-20 23:56:28 +00:00
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struct ShaderBlock {
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Ref ref;
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2018-08-03 18:34:11 +00:00
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BlockType type;
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2018-08-03 18:19:40 +00:00
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BufferUsage usage;
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2018-07-28 22:40:13 +00:00
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vec_uniform_t uniforms;
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2018-08-01 01:23:04 +00:00
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map_int_t uniformMap;
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2018-07-20 23:56:28 +00:00
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uint32_t buffer;
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2018-08-03 18:34:11 +00:00
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GLenum target;
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2018-07-17 06:51:11 +00:00
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size_t size;
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2018-08-01 01:23:04 +00:00
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void* data;
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bool mapped;
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2018-08-12 04:17:22 +00:00
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uint8_t incoherent;
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2018-07-20 23:56:28 +00:00
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};
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2018-07-17 06:51:11 +00:00
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struct Shader {
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Ref ref;
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2018-08-07 23:34:35 +00:00
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ShaderType type;
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2018-07-17 06:51:11 +00:00
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uint32_t program;
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2018-07-28 22:40:13 +00:00
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vec_uniform_t uniforms;
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2018-08-03 00:17:26 +00:00
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vec_block_t blocks[2];
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2018-07-17 06:51:11 +00:00
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map_int_t attributes;
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2018-07-28 22:40:13 +00:00
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map_int_t uniformMap;
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map_int_t blockMap;
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2018-07-17 06:51:11 +00:00
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};
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struct Texture {
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Ref ref;
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TextureType type;
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2018-08-09 23:12:57 +00:00
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TextureFormat format;
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2018-07-17 06:51:11 +00:00
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int width;
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int height;
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int depth;
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2018-07-20 02:28:27 +00:00
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int mipmapCount;
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2018-07-17 06:51:11 +00:00
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GLuint id;
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2018-08-29 11:28:12 +00:00
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GLuint msaaId;
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2018-08-09 23:12:57 +00:00
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GLenum target;
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2018-07-17 06:51:11 +00:00
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TextureFilter filter;
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TextureWrap wrap;
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2018-08-29 11:28:12 +00:00
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int msaa;
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2018-07-17 06:51:11 +00:00
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bool srgb;
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bool mipmaps;
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bool allocated;
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2018-08-12 04:17:22 +00:00
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uint8_t incoherent;
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2018-07-17 06:51:11 +00:00
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};
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struct Canvas {
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2018-08-20 03:48:45 +00:00
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Ref ref;
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2018-08-24 21:43:39 +00:00
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int width;
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int height;
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CanvasFlags flags;
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2018-08-20 03:48:45 +00:00
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uint32_t framebuffer;
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2018-08-24 21:43:39 +00:00
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uint32_t depthBuffer;
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2018-08-29 11:28:12 +00:00
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uint32_t resolveBuffer;
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2018-08-24 01:28:37 +00:00
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Attachment attachments[MAX_CANVAS_ATTACHMENTS];
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int count;
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2018-08-29 19:40:19 +00:00
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bool needsAttach;
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bool needsResolve;
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2018-07-17 06:51:11 +00:00
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};
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typedef struct {
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Mesh* mesh;
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int attributeIndex;
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int divisor;
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bool enabled;
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} MeshAttachment;
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typedef map_t(MeshAttachment) map_attachment_t;
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struct Mesh {
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Ref ref;
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uint32_t count;
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VertexFormat format;
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MeshDrawMode drawMode;
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GLenum usage;
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VertexPointer data;
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IndexPointer indices;
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uint32_t indexCount;
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size_t indexSize;
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size_t indexCapacity;
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bool mappedIndices;
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uint32_t dirtyStart;
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uint32_t dirtyEnd;
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uint32_t rangeStart;
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uint32_t rangeCount;
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GLuint vao;
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GLuint vbo;
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GLuint ibo;
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Material* material;
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float* pose;
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map_attachment_t attachments;
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MeshAttachment layout[MAX_ATTACHMENTS];
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bool isAttachment;
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};
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2018-07-17 10:35:01 +00:00
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// Helper functions
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2018-07-17 06:51:11 +00:00
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static void gammaCorrectColor(Color* color) {
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if (state.srgb) {
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color->r = lovrMathGammaToLinear(color->r);
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color->g = lovrMathGammaToLinear(color->g);
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color->b = lovrMathGammaToLinear(color->b);
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}
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}
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static GLenum convertCompareMode(CompareMode mode) {
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switch (mode) {
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case COMPARE_NONE: return GL_ALWAYS;
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case COMPARE_EQUAL: return GL_EQUAL;
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case COMPARE_NEQUAL: return GL_NOTEQUAL;
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case COMPARE_LESS: return GL_LESS;
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case COMPARE_LEQUAL: return GL_LEQUAL;
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case COMPARE_GREATER: return GL_GREATER;
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case COMPARE_GEQUAL: return GL_GEQUAL;
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}
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}
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2018-07-17 10:35:01 +00:00
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static GLenum convertWrapMode(WrapMode mode) {
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2018-07-17 06:51:11 +00:00
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switch (mode) {
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case WRAP_CLAMP: return GL_CLAMP_TO_EDGE;
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case WRAP_REPEAT: return GL_REPEAT;
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case WRAP_MIRRORED_REPEAT: return GL_MIRRORED_REPEAT;
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}
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}
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2018-07-17 10:35:01 +00:00
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static GLenum convertTextureFormat(TextureFormat format) {
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2018-07-17 06:51:11 +00:00
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switch (format) {
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case FORMAT_RGB: return GL_RGB;
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case FORMAT_RGBA: return GL_RGBA;
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2018-07-21 00:45:25 +00:00
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case FORMAT_RGBA4: return GL_RGBA;
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2018-07-17 06:51:11 +00:00
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case FORMAT_RGBA16F: return GL_RGBA;
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case FORMAT_RGBA32F: return GL_RGBA;
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2018-07-21 00:45:25 +00:00
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case FORMAT_R16F: return GL_RED;
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case FORMAT_R32F: return GL_RED;
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2018-08-16 21:54:37 +00:00
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case FORMAT_RG16F: return GL_RG;
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case FORMAT_RG32F: return GL_RG;
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2018-07-21 00:45:25 +00:00
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case FORMAT_RGB5A1: return GL_RGBA;
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case FORMAT_RGB10A2: return GL_RGBA;
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2018-07-17 06:51:11 +00:00
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case FORMAT_RG11B10F: return GL_RGB;
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case FORMAT_DXT1: return GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
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case FORMAT_DXT3: return GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
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case FORMAT_DXT5: return GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
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}
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}
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2018-07-17 10:35:01 +00:00
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static GLenum convertTextureFormatInternal(TextureFormat format, bool srgb) {
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2018-07-17 06:51:11 +00:00
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switch (format) {
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case FORMAT_RGB: return srgb ? GL_SRGB8 : GL_RGB8;
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case FORMAT_RGBA: return srgb ? GL_SRGB8_ALPHA8 : GL_RGBA8;
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2018-07-21 00:45:25 +00:00
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case FORMAT_RGBA4: return GL_RGBA4;
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2018-07-17 06:51:11 +00:00
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case FORMAT_RGBA16F: return GL_RGBA16F;
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case FORMAT_RGBA32F: return GL_RGBA32F;
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2018-07-21 00:45:25 +00:00
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case FORMAT_R16F: return GL_R16F;
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case FORMAT_R32F: return GL_R32F;
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2018-08-16 21:54:37 +00:00
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case FORMAT_RG16F: return GL_RG16F;
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case FORMAT_RG32F: return GL_RG32F;
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2018-07-21 00:45:25 +00:00
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case FORMAT_RGB5A1: return GL_RGB5_A1;
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case FORMAT_RGB10A2: return GL_RGB10_A2;
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2018-07-17 06:51:11 +00:00
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case FORMAT_RG11B10F: return GL_R11F_G11F_B10F;
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case FORMAT_DXT1: return srgb ? GL_COMPRESSED_SRGB_S3TC_DXT1_EXT : GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
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case FORMAT_DXT3: return srgb ? GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT : GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
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case FORMAT_DXT5: return srgb ? GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT : GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
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}
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}
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2018-08-16 21:28:10 +00:00
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static GLenum convertTextureFormatType(TextureFormat format) {
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switch (format) {
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case FORMAT_RGB: return GL_UNSIGNED_BYTE;
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case FORMAT_RGBA: return GL_UNSIGNED_BYTE;
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case FORMAT_RGBA4: return GL_UNSIGNED_SHORT_4_4_4_4;
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case FORMAT_RGBA16F: return GL_HALF_FLOAT;
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case FORMAT_RGBA32F: return GL_FLOAT;
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case FORMAT_R16F: return GL_HALF_FLOAT;
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case FORMAT_R32F: return GL_FLOAT;
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2018-08-16 21:54:37 +00:00
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case FORMAT_RG16F: return GL_HALF_FLOAT;
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case FORMAT_RG32F: return GL_FLOAT;
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2018-08-16 21:28:10 +00:00
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case FORMAT_RGB5A1: return GL_UNSIGNED_SHORT_5_5_5_1;
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case FORMAT_RGB10A2: return GL_UNSIGNED_INT_2_10_10_10_REV;
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case FORMAT_RG11B10F: return GL_UNSIGNED_INT_10F_11F_11F_REV;
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case FORMAT_DXT1:
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case FORMAT_DXT3:
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case FORMAT_DXT5:
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lovrThrow("Unreachable");
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return GL_UNSIGNED_BYTE;
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}
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}
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2018-08-24 21:43:39 +00:00
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static GLenum convertDepthFormat(DepthFormat format) {
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switch (format) {
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case DEPTH_D16: return GL_DEPTH_COMPONENT16; break;
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2018-08-31 03:56:08 +00:00
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case DEPTH_D32F: return GL_DEPTH_COMPONENT32F; break;
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2018-08-24 21:43:39 +00:00
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case DEPTH_D24S8: return GL_DEPTH24_STENCIL8; break;
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default: lovrThrow("Unreachable"); return GL_DEPTH_COMPONENT16;
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}
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}
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2018-07-17 10:35:01 +00:00
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static bool isTextureFormatCompressed(TextureFormat format) {
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2018-07-17 06:51:11 +00:00
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switch (format) {
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2018-08-31 02:40:31 +00:00
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case FORMAT_DXT1: case FORMAT_DXT3: case FORMAT_DXT5: return true;
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default: return false;
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2018-07-17 06:51:11 +00:00
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}
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}
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2018-08-02 04:05:30 +00:00
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static GLenum convertBufferUsage(BufferUsage usage) {
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2018-07-17 10:35:01 +00:00
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switch (usage) {
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2018-08-02 04:05:30 +00:00
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case USAGE_STATIC: return GL_STATIC_DRAW;
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case USAGE_DYNAMIC: return GL_DYNAMIC_DRAW;
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case USAGE_STREAM: return GL_STREAM_DRAW;
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2018-07-17 06:51:11 +00:00
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}
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2018-07-17 10:35:01 +00:00
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}
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2018-07-17 06:51:11 +00:00
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2018-08-31 03:56:08 +00:00
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#ifndef EMSCRIPTEN
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2018-08-17 22:01:11 +00:00
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static GLenum convertAccess(UniformAccess access) {
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switch (access) {
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case ACCESS_READ: return GL_READ_ONLY;
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case ACCESS_WRITE: return GL_WRITE_ONLY;
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case ACCESS_READ_WRITE: return GL_READ_WRITE;
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}
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}
|
2018-08-31 03:56:08 +00:00
|
|
|
#endif
|
2018-08-17 22:01:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
static GLenum convertMeshDrawMode(MeshDrawMode mode) {
|
|
|
|
switch (mode) {
|
|
|
|
case MESH_POINTS: return GL_POINTS;
|
|
|
|
case MESH_LINES: return GL_LINES;
|
|
|
|
case MESH_LINE_STRIP: return GL_LINE_STRIP;
|
|
|
|
case MESH_LINE_LOOP: return GL_LINE_LOOP;
|
|
|
|
case MESH_TRIANGLE_STRIP: return GL_TRIANGLE_STRIP;
|
|
|
|
case MESH_TRIANGLES: return GL_TRIANGLES;
|
|
|
|
case MESH_TRIANGLE_FAN: return GL_TRIANGLE_FAN;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
static UniformType getUniformType(GLenum type, const char* debug) {
|
|
|
|
switch (type) {
|
|
|
|
case GL_FLOAT:
|
|
|
|
case GL_FLOAT_VEC2:
|
|
|
|
case GL_FLOAT_VEC3:
|
|
|
|
case GL_FLOAT_VEC4:
|
|
|
|
return UNIFORM_FLOAT;
|
|
|
|
case GL_INT:
|
|
|
|
case GL_INT_VEC2:
|
|
|
|
case GL_INT_VEC3:
|
|
|
|
case GL_INT_VEC4:
|
|
|
|
return UNIFORM_INT;
|
|
|
|
case GL_FLOAT_MAT2:
|
|
|
|
case GL_FLOAT_MAT3:
|
|
|
|
case GL_FLOAT_MAT4:
|
|
|
|
return UNIFORM_MATRIX;
|
|
|
|
case GL_SAMPLER_2D:
|
|
|
|
case GL_SAMPLER_3D:
|
|
|
|
case GL_SAMPLER_CUBE:
|
|
|
|
case GL_SAMPLER_2D_ARRAY:
|
2018-08-18 02:52:34 +00:00
|
|
|
return UNIFORM_SAMPLER;
|
2018-08-10 10:37:02 +00:00
|
|
|
#ifdef GL_ARB_shader_image_load_store
|
|
|
|
case GL_IMAGE_2D:
|
|
|
|
case GL_IMAGE_3D:
|
|
|
|
case GL_IMAGE_CUBE:
|
|
|
|
case GL_IMAGE_2D_ARRAY:
|
2018-08-18 02:52:34 +00:00
|
|
|
return UNIFORM_IMAGE;
|
2018-08-10 10:37:02 +00:00
|
|
|
#endif
|
2018-07-17 10:35:01 +00:00
|
|
|
default:
|
2018-08-03 18:19:40 +00:00
|
|
|
lovrThrow("Unsupported uniform type for uniform '%s'", debug);
|
2018-07-17 10:35:01 +00:00
|
|
|
return UNIFORM_FLOAT;
|
|
|
|
}
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
static int getUniformComponents(GLenum type) {
|
2018-07-17 06:51:11 +00:00
|
|
|
switch (type) {
|
2018-08-31 02:40:31 +00:00
|
|
|
case GL_FLOAT_VEC2: case GL_INT_VEC2: case GL_FLOAT_MAT2: return 2;
|
|
|
|
case GL_FLOAT_VEC3: case GL_INT_VEC3: case GL_FLOAT_MAT3: return 3;
|
|
|
|
case GL_FLOAT_VEC4: case GL_INT_VEC4: case GL_FLOAT_MAT4: return 4;
|
|
|
|
default: return 1;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-10 02:25:51 +00:00
|
|
|
static TextureType getUniformTextureType(GLenum type) {
|
|
|
|
switch (type) {
|
2018-08-18 02:52:34 +00:00
|
|
|
case GL_SAMPLER_2D: return TEXTURE_2D;
|
|
|
|
case GL_SAMPLER_3D: return TEXTURE_VOLUME;
|
|
|
|
case GL_SAMPLER_CUBE: return TEXTURE_CUBE;
|
|
|
|
case GL_SAMPLER_2D_ARRAY: return TEXTURE_ARRAY;
|
|
|
|
#ifdef GL_ARB_shader_image_load_store
|
|
|
|
case GL_IMAGE_2D: return TEXTURE_2D;
|
|
|
|
case GL_IMAGE_3D: return TEXTURE_VOLUME;
|
|
|
|
case GL_IMAGE_CUBE: return TEXTURE_CUBE;
|
|
|
|
case GL_IMAGE_2D_ARRAY: return TEXTURE_ARRAY;
|
|
|
|
#endif
|
2018-08-10 02:25:51 +00:00
|
|
|
default: return -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-08-06 18:46:42 +00:00
|
|
|
static size_t getUniformTypeLength(const Uniform* uniform) {
|
|
|
|
size_t size = 0;
|
|
|
|
|
|
|
|
if (uniform->count > 1) {
|
|
|
|
size += 2 + floor(log10(uniform->count)) + 1; // "[count]"
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (uniform->type) {
|
|
|
|
case UNIFORM_MATRIX: size += 3; break;
|
|
|
|
case UNIFORM_FLOAT: size += uniform->components == 1 ? 5 : 4; break;
|
|
|
|
case UNIFORM_INT: size += uniform->components == 1 ? 3 : 5; break;
|
|
|
|
default: break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return size;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const char* getUniformTypeName(const Uniform* uniform) {
|
|
|
|
switch (uniform->type) {
|
|
|
|
case UNIFORM_FLOAT:
|
|
|
|
switch (uniform->components) {
|
|
|
|
case 1: return "float";
|
|
|
|
case 2: return "vec2";
|
|
|
|
case 3: return "vec3";
|
|
|
|
case 4: return "vec4";
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case UNIFORM_INT:
|
|
|
|
switch (uniform->components) {
|
|
|
|
case 1: return "int";
|
|
|
|
case 2: return "ivec2";
|
|
|
|
case 3: return "ivec3";
|
|
|
|
case 4: return "ivec4";
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case UNIFORM_MATRIX:
|
|
|
|
switch (uniform->components) {
|
|
|
|
case 2: return "mat2";
|
|
|
|
case 3: return "mat3";
|
|
|
|
case 4: return "mat4";
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
default: break;
|
|
|
|
}
|
|
|
|
|
|
|
|
lovrThrow("Unreachable");
|
|
|
|
return "";
|
|
|
|
}
|
|
|
|
|
2018-08-18 02:52:34 +00:00
|
|
|
// TODO really ought to have TextureType-specific default textures
|
2018-08-10 10:37:02 +00:00
|
|
|
static Texture* lovrGpuGetDefaultTexture() {
|
|
|
|
if (!state.defaultTexture) {
|
2018-08-21 01:14:33 +00:00
|
|
|
TextureData* textureData = lovrTextureDataCreate(1, 1, 0xff, FORMAT_RGBA);
|
2018-08-29 11:28:12 +00:00
|
|
|
state.defaultTexture = lovrTextureCreate(TEXTURE_2D, &textureData, 1, true, false, 0);
|
2018-08-10 10:37:02 +00:00
|
|
|
lovrRelease(textureData);
|
|
|
|
}
|
|
|
|
|
|
|
|
return state.defaultTexture;
|
|
|
|
}
|
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
// Syncing resources is only relevant for compute shaders
|
|
|
|
#ifndef EMSCRIPTEN
|
|
|
|
static void lovrGpuSync(uint8_t flags) {
|
|
|
|
if (!flags) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
GLbitfield bits = 0;
|
|
|
|
for (int i = 0; i < MAX_BARRIERS; i++) {
|
|
|
|
if (!((flags >> i) & 1)) {
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (state.incoherents[i].length == 0) {
|
|
|
|
flags &= ~(1 << i);
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (i == BARRIER_BLOCK) {
|
2018-09-03 05:20:32 +00:00
|
|
|
for (int j = 0; j < state.incoherents[i].length; j++) {
|
2018-08-31 13:03:35 +00:00
|
|
|
ShaderBlock* block = state.incoherents[i].data[j];
|
|
|
|
block->incoherent &= ~(1 << i);
|
|
|
|
}
|
|
|
|
} else {
|
2018-09-03 05:20:32 +00:00
|
|
|
for (int j = 0; j < state.incoherents[i].length; j++) {
|
2018-08-31 13:03:35 +00:00
|
|
|
Texture* texture = state.incoherents[i].data[j];
|
|
|
|
texture->incoherent &= ~(1 << i);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-09-03 05:20:32 +00:00
|
|
|
vec_clear(&state.incoherents[i]);
|
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
switch (i) {
|
|
|
|
case BARRIER_BLOCK: bits |= GL_SHADER_STORAGE_BARRIER_BIT; break;
|
|
|
|
case BARRIER_UNIFORM_IMAGE: bits |= GL_SHADER_IMAGE_ACCESS_BARRIER_BIT; break;
|
|
|
|
case BARRIER_UNIFORM_TEXTURE: bits |= GL_TEXTURE_FETCH_BARRIER_BIT; break;
|
|
|
|
case BARRIER_TEXTURE: bits |= GL_TEXTURE_UPDATE_BARRIER_BIT; break;
|
|
|
|
case BARRIER_CANVAS: bits |= GL_FRAMEBUFFER_BARRIER_BIT; break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (bits) {
|
|
|
|
glMemoryBarrier(bits);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
static void lovrGpuDestroySyncResource(void* resource, uint8_t incoherent) {
|
2018-08-12 04:17:22 +00:00
|
|
|
if (!incoherent) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (int i = 0; i < MAX_BARRIERS; i++) {
|
|
|
|
if (incoherent & (1 << i)) {
|
|
|
|
for (int j = 0; j < state.incoherents[i].length; j++) {
|
|
|
|
if (state.incoherents[i].data[j] == resource) {
|
|
|
|
vec_swapsplice(&state.incoherents[i], j, 1);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-08-24 01:28:37 +00:00
|
|
|
static void lovrGpuBindFramebuffer(uint32_t framebuffer) {
|
|
|
|
if (state.framebuffer != framebuffer) {
|
|
|
|
state.framebuffer = framebuffer;
|
|
|
|
glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
static void lovrGpuBindIndexBuffer(uint32_t indexBuffer) {
|
|
|
|
if (state.indexBuffer != indexBuffer) {
|
|
|
|
state.indexBuffer = indexBuffer;
|
|
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuffer);
|
|
|
|
}
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-10 10:37:02 +00:00
|
|
|
static void lovrGpuBindTexture(Texture* texture, int slot) {
|
2018-07-17 10:35:01 +00:00
|
|
|
lovrAssert(slot >= 0 && slot < MAX_TEXTURES, "Invalid texture slot %d", slot);
|
2018-08-10 10:37:02 +00:00
|
|
|
texture = texture ? texture : lovrGpuGetDefaultTexture();
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
if (texture != state.textures[slot]) {
|
|
|
|
lovrRetain(texture);
|
|
|
|
lovrRelease(state.textures[slot]);
|
|
|
|
state.textures[slot] = texture;
|
2018-08-31 02:42:01 +00:00
|
|
|
if (state.activeTexture != slot) {
|
|
|
|
glActiveTexture(GL_TEXTURE0 + slot);
|
|
|
|
state.activeTexture = slot;
|
|
|
|
}
|
2018-08-10 10:37:02 +00:00
|
|
|
glBindTexture(texture->target, texture->id);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
#ifndef EMSCRIPTEN
|
2018-08-18 02:52:34 +00:00
|
|
|
static void lovrGpuBindImage(Image* image, int slot) {
|
2018-08-10 10:37:02 +00:00
|
|
|
lovrAssert(slot >= 0 && slot < MAX_IMAGES, "Invalid image slot %d", slot);
|
|
|
|
|
2018-08-18 02:52:34 +00:00
|
|
|
// This is a risky way to compare the two structs
|
|
|
|
if (memcmp(state.images + slot, image, sizeof(Image))) {
|
|
|
|
Texture* texture = image->texture ? image->texture : lovrGpuGetDefaultTexture();
|
2018-08-11 07:02:30 +00:00
|
|
|
lovrAssert(!texture->srgb, "sRGB textures can not be used as image uniforms");
|
2018-08-11 06:54:46 +00:00
|
|
|
lovrAssert(!isTextureFormatCompressed(texture->format), "Compressed textures can not be used as image uniforms");
|
|
|
|
lovrAssert(texture->format != FORMAT_RGB && texture->format != FORMAT_RGBA4 && texture->format != FORMAT_RGB5A1, "Unsupported texture format for image uniform");
|
2018-08-18 02:52:34 +00:00
|
|
|
lovrAssert(image->mipmap >= 0 && image->mipmap < texture->mipmapCount, "Invalid mipmap level '%d' for image uniform", image->mipmap);
|
|
|
|
lovrAssert(image->slice < texture->depth, "Invalid texture slice '%d' for image uniform", image->slice);
|
|
|
|
GLenum glAccess = convertAccess(image->access);
|
2018-08-17 22:01:11 +00:00
|
|
|
GLenum glFormat = convertTextureFormatInternal(texture->format, false);
|
2018-09-04 13:58:54 +00:00
|
|
|
bool layered = image->slice == -1;
|
|
|
|
int slice = layered ? 0 : image->slice;
|
2018-08-11 06:54:46 +00:00
|
|
|
|
2018-08-10 10:37:02 +00:00
|
|
|
lovrRetain(texture);
|
2018-08-18 02:52:34 +00:00
|
|
|
lovrRelease(state.images[slot].texture);
|
2018-09-04 13:58:54 +00:00
|
|
|
glBindImageTexture(slot, texture->id, image->mipmap, layered, slice, glAccess, glFormat);
|
2018-08-18 02:52:34 +00:00
|
|
|
memcpy(state.images + slot, image, sizeof(Image));
|
2018-08-10 10:37:02 +00:00
|
|
|
}
|
|
|
|
}
|
2018-08-31 13:03:35 +00:00
|
|
|
#endif
|
2018-08-10 10:37:02 +00:00
|
|
|
|
2018-08-03 18:34:11 +00:00
|
|
|
static void lovrGpuBindBlockBuffer(BlockType type, uint32_t buffer, int slot) {
|
2018-08-31 03:56:08 +00:00
|
|
|
#ifdef EMSCRIPTEN
|
2018-08-18 02:52:34 +00:00
|
|
|
lovrAssert(type == BLOCK_UNIFORM, "Writable ShaderBlocks are not supported on this system");
|
2018-08-31 03:56:08 +00:00
|
|
|
GLenum target = BLOCK_UNIFORM;
|
|
|
|
#else
|
|
|
|
GLenum target = type == BLOCK_UNIFORM ? GL_UNIFORM_BUFFER : GL_SHADER_STORAGE_BUFFER;
|
2018-08-18 02:52:34 +00:00
|
|
|
#endif
|
|
|
|
|
2018-08-03 18:34:11 +00:00
|
|
|
if (state.blockBuffers[type][slot] != buffer) {
|
|
|
|
state.blockBuffers[type][slot] = buffer;
|
2018-08-31 03:56:08 +00:00
|
|
|
glBindBufferBase(target, slot, buffer);
|
2018-07-20 23:56:28 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
static void lovrGpuBindVertexArray(uint32_t vertexArray) {
|
|
|
|
if (state.vertexArray != vertexArray) {
|
|
|
|
state.vertexArray = vertexArray;
|
|
|
|
glBindVertexArray(vertexArray);
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
static void lovrGpuBindVertexBuffer(uint32_t vertexBuffer) {
|
|
|
|
if (state.vertexBuffer != vertexBuffer) {
|
|
|
|
state.vertexBuffer = vertexBuffer;
|
|
|
|
glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer);
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
static void lovrGpuUseProgram(uint32_t program) {
|
|
|
|
if (state.program != program) {
|
|
|
|
state.program = program;
|
|
|
|
glUseProgram(program);
|
|
|
|
state.stats.shaderSwitches++;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
// GPU
|
2018-08-29 04:16:19 +00:00
|
|
|
|
2018-08-30 11:02:58 +00:00
|
|
|
void lovrGpuInit(bool srgb, gpuProc (*getProcAddress)(const char*)) {
|
2018-07-17 10:35:01 +00:00
|
|
|
#ifndef EMSCRIPTEN
|
|
|
|
gladLoadGLLoader((GLADloadproc) getProcAddress);
|
2018-08-31 13:03:35 +00:00
|
|
|
state.features.computeShaders = GLAD_GL_ARB_compute_shader;
|
|
|
|
state.features.singlepass = GLAD_GL_ARB_viewport_array && GLAD_GL_AMD_vertex_shader_viewport_index && GLAD_GL_ARB_fragment_layer_viewport;
|
2018-07-17 10:35:01 +00:00
|
|
|
glEnable(GL_LINE_SMOOTH);
|
|
|
|
glEnable(GL_PROGRAM_POINT_SIZE);
|
|
|
|
if (srgb) {
|
|
|
|
glEnable(GL_FRAMEBUFFER_SRGB);
|
2018-07-17 06:51:11 +00:00
|
|
|
} else {
|
2018-07-17 10:35:01 +00:00
|
|
|
glDisable(GL_FRAMEBUFFER_SRGB);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-08-31 13:03:35 +00:00
|
|
|
glGetFloatv(GL_POINT_SIZE_RANGE, state.limits.pointSizes);
|
|
|
|
#else
|
|
|
|
glGetFloatv(GL_ALIASED_POINT_SIZE_RANGE, state.limits.pointSizes);
|
2018-07-17 10:35:01 +00:00
|
|
|
#endif
|
2018-08-31 13:03:35 +00:00
|
|
|
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &state.limits.textureSize);
|
|
|
|
glGetIntegerv(GL_MAX_SAMPLES, &state.limits.textureMSAA);
|
|
|
|
glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &state.limits.textureAnisotropy);
|
2018-07-17 10:35:01 +00:00
|
|
|
glEnable(GL_BLEND);
|
|
|
|
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
|
|
|
|
state.srgb = srgb;
|
2018-09-04 22:02:55 +00:00
|
|
|
|
|
|
|
state.blendMode = BLEND_ALPHA;
|
|
|
|
state.blendAlphaMode = BLEND_ALPHA_MULTIPLY;
|
|
|
|
glBlendEquation(GL_FUNC_ADD);
|
|
|
|
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
|
|
|
|
|
2018-07-17 21:53:21 +00:00
|
|
|
state.culling = false;
|
2018-09-04 22:02:55 +00:00
|
|
|
glDisable(GL_CULL_FACE);
|
|
|
|
|
|
|
|
state.depthEnabled = true;
|
|
|
|
state.depthTest = COMPARE_LEQUAL;
|
2018-07-17 21:53:21 +00:00
|
|
|
state.depthWrite = true;
|
2018-09-04 22:02:55 +00:00
|
|
|
glEnable(GL_DEPTH_TEST);
|
|
|
|
glDepthFunc(convertCompareMode(state.depthTest));
|
|
|
|
glDepthMask(state.depthWrite);
|
|
|
|
|
2018-07-17 21:53:21 +00:00
|
|
|
state.lineWidth = 1;
|
2018-09-04 22:02:55 +00:00
|
|
|
glLineWidth(state.lineWidth);
|
|
|
|
|
2018-07-17 21:53:21 +00:00
|
|
|
state.stencilEnabled = false;
|
|
|
|
state.stencilMode = COMPARE_NONE;
|
|
|
|
state.stencilValue = 0;
|
2018-07-17 10:35:01 +00:00
|
|
|
state.stencilWriting = false;
|
2018-09-04 22:02:55 +00:00
|
|
|
glDisable(GL_STENCIL_TEST);
|
|
|
|
|
2018-07-17 21:53:21 +00:00
|
|
|
state.winding = WINDING_COUNTERCLOCKWISE;
|
2018-09-04 22:02:55 +00:00
|
|
|
glFrontFace(GL_CCW);
|
|
|
|
|
2018-07-17 21:53:21 +00:00
|
|
|
state.wireframe = false;
|
2018-09-04 22:02:55 +00:00
|
|
|
#ifndef EMSCRIPTEN
|
|
|
|
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
|
|
|
|
#endif
|
|
|
|
|
2018-08-12 04:17:22 +00:00
|
|
|
for (int i = 0; i < MAX_BARRIERS; i++) {
|
|
|
|
vec_init(&state.incoherents[i]);
|
|
|
|
}
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
void lovrGpuDestroy() {
|
|
|
|
lovrRelease(state.defaultTexture);
|
|
|
|
for (int i = 0; i < MAX_TEXTURES; i++) {
|
|
|
|
lovrRelease(state.textures[i]);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-08-18 02:52:34 +00:00
|
|
|
for (int i = 0; i < MAX_IMAGES; i++) {
|
|
|
|
lovrRelease(state.images[i].texture);
|
|
|
|
}
|
2018-08-12 04:17:22 +00:00
|
|
|
for (int i = 0; i < MAX_BARRIERS; i++) {
|
|
|
|
vec_deinit(&state.incoherents[i]);
|
|
|
|
}
|
2018-09-04 22:02:55 +00:00
|
|
|
memset(&state, 0, sizeof(state));
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
void lovrGpuBindPipeline(Pipeline* pipeline) {
|
2018-07-18 01:49:42 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
// Blend mode
|
|
|
|
if (state.blendMode != pipeline->blendMode || state.blendAlphaMode != pipeline->blendAlphaMode) {
|
|
|
|
state.blendMode = pipeline->blendMode;
|
|
|
|
state.blendAlphaMode = pipeline->blendAlphaMode;
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
GLenum srcRGB = state.blendMode == BLEND_MULTIPLY ? GL_DST_COLOR : GL_ONE;
|
|
|
|
if (srcRGB == GL_ONE && state.blendAlphaMode == BLEND_ALPHA_MULTIPLY) {
|
|
|
|
srcRGB = GL_SRC_ALPHA;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
switch (state.blendMode) {
|
|
|
|
case BLEND_ALPHA:
|
|
|
|
glBlendEquation(GL_FUNC_ADD);
|
|
|
|
glBlendFuncSeparate(srcRGB, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
|
|
|
|
break;
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
case BLEND_ADD:
|
|
|
|
glBlendEquation(GL_FUNC_ADD);
|
|
|
|
glBlendFuncSeparate(srcRGB, GL_ONE, GL_ZERO, GL_ONE);
|
|
|
|
break;
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
case BLEND_SUBTRACT:
|
|
|
|
glBlendEquation(GL_FUNC_REVERSE_SUBTRACT);
|
|
|
|
glBlendFuncSeparate(srcRGB, GL_ONE, GL_ZERO, GL_ONE);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case BLEND_MULTIPLY:
|
|
|
|
glBlendEquation(GL_FUNC_ADD);
|
|
|
|
glBlendFuncSeparate(srcRGB, GL_ZERO, GL_DST_COLOR, GL_ZERO);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case BLEND_LIGHTEN:
|
|
|
|
glBlendEquation(GL_MAX);
|
|
|
|
glBlendFuncSeparate(srcRGB, GL_ZERO, GL_ONE, GL_ZERO);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case BLEND_DARKEN:
|
|
|
|
glBlendEquation(GL_MIN);
|
|
|
|
glBlendFuncSeparate(srcRGB, GL_ZERO, GL_ONE, GL_ZERO);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case BLEND_SCREEN:
|
|
|
|
glBlendEquation(GL_FUNC_ADD);
|
|
|
|
glBlendFuncSeparate(srcRGB, GL_ONE_MINUS_SRC_COLOR, GL_ONE, GL_ONE_MINUS_SRC_COLOR);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case BLEND_REPLACE:
|
|
|
|
glBlendEquation(GL_FUNC_ADD);
|
|
|
|
glBlendFuncSeparate(srcRGB, GL_ZERO, GL_ONE, GL_ZERO);
|
|
|
|
break;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
// Culling
|
|
|
|
if (state.culling != pipeline->culling) {
|
|
|
|
state.culling = pipeline->culling;
|
|
|
|
if (state.culling) {
|
|
|
|
glEnable(GL_CULL_FACE);
|
2018-07-17 06:51:11 +00:00
|
|
|
} else {
|
2018-07-17 10:35:01 +00:00
|
|
|
glDisable(GL_CULL_FACE);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
// Depth test
|
|
|
|
if (state.depthTest != pipeline->depthTest) {
|
|
|
|
state.depthTest = pipeline->depthTest;
|
|
|
|
if (state.depthTest != COMPARE_NONE) {
|
|
|
|
if (!state.depthEnabled) {
|
|
|
|
state.depthEnabled = true;
|
|
|
|
glEnable(GL_DEPTH_TEST);
|
|
|
|
}
|
|
|
|
glDepthFunc(convertCompareMode(state.depthTest));
|
|
|
|
} else if (state.depthEnabled) {
|
|
|
|
state.depthEnabled = false;
|
|
|
|
glDisable(GL_DEPTH_TEST);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
// Depth write
|
|
|
|
if (state.depthWrite != pipeline->depthWrite) {
|
|
|
|
state.depthWrite = pipeline->depthWrite;
|
|
|
|
glDepthMask(state.depthWrite);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
// Line width
|
|
|
|
if (state.lineWidth != pipeline->lineWidth) {
|
2018-07-17 21:53:21 +00:00
|
|
|
state.lineWidth = pipeline->lineWidth;
|
2018-07-17 10:35:01 +00:00
|
|
|
glLineWidth(state.lineWidth);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
// Stencil mode
|
|
|
|
if (!state.stencilWriting && (state.stencilMode != pipeline->stencilMode || state.stencilValue != pipeline->stencilValue)) {
|
|
|
|
state.stencilMode = pipeline->stencilMode;
|
|
|
|
state.stencilValue = pipeline->stencilValue;
|
|
|
|
if (state.stencilMode != COMPARE_NONE) {
|
|
|
|
if (!state.stencilEnabled) {
|
|
|
|
state.stencilEnabled = true;
|
|
|
|
glEnable(GL_STENCIL_TEST);
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
GLenum glMode = GL_ALWAYS;
|
|
|
|
switch (state.stencilMode) {
|
|
|
|
case COMPARE_EQUAL: glMode = GL_EQUAL; break;
|
|
|
|
case COMPARE_NEQUAL: glMode = GL_NOTEQUAL; break;
|
|
|
|
case COMPARE_LESS: glMode = GL_GREATER; break;
|
|
|
|
case COMPARE_LEQUAL: glMode = GL_GEQUAL; break;
|
|
|
|
case COMPARE_GREATER: glMode = GL_LESS; break;
|
|
|
|
case COMPARE_GEQUAL: glMode = GL_LEQUAL; break;
|
|
|
|
default: break;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
glStencilFunc(glMode, state.stencilValue, 0xff);
|
|
|
|
glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
|
|
|
|
} else if (state.stencilEnabled) {
|
|
|
|
state.stencilEnabled = false;
|
|
|
|
glDisable(GL_STENCIL_TEST);
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
// Winding
|
|
|
|
if (state.winding != pipeline->winding) {
|
|
|
|
state.winding = pipeline->winding;
|
|
|
|
glFrontFace(state.winding == WINDING_CLOCKWISE ? GL_CW : GL_CCW);
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
// Wireframe
|
2018-08-31 02:40:31 +00:00
|
|
|
#ifndef EMSCRIPTEN
|
2018-07-17 10:35:01 +00:00
|
|
|
if (state.wireframe != pipeline->wireframe) {
|
|
|
|
state.wireframe = pipeline->wireframe;
|
|
|
|
glPolygonMode(GL_FRONT_AND_BACK, state.wireframe ? GL_LINE : GL_FILL);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-08-31 02:40:31 +00:00
|
|
|
#endif
|
2018-08-31 13:03:35 +00:00
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
void lovrGpuSetViewports(float* viewport, int count) {
|
|
|
|
#ifndef EMSCRIPTEN
|
|
|
|
if (count > 1) {
|
|
|
|
if (memcmp(state.viewports, viewport, count * 4 * sizeof(float))) {
|
|
|
|
memcpy(state.viewports, viewport, count * 4 * sizeof(float));
|
|
|
|
glViewportArrayv(0, count, viewport);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-07-17 10:35:01 +00:00
|
|
|
} else {
|
2018-08-31 13:03:35 +00:00
|
|
|
#endif
|
|
|
|
if (memcmp(state.viewports, viewport, 4 * sizeof(float))) {
|
|
|
|
memcpy(state.viewports, viewport, 4 * sizeof(float));
|
|
|
|
glViewport(viewport[0], viewport[1], viewport[2], viewport[3]);
|
|
|
|
}
|
|
|
|
#ifndef EMSCRIPTEN
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-08-31 13:03:35 +00:00
|
|
|
#endif
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
void lovrGpuClear(Canvas* canvas, Color* color, float* depth, int* stencil) {
|
|
|
|
lovrCanvasBind(canvas, true);
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
if (color) {
|
|
|
|
gammaCorrectColor(color);
|
|
|
|
int count = canvas ? canvas->count : 1;
|
|
|
|
for (int i = 0; i < count; i++) {
|
|
|
|
glClearBufferfv(GL_COLOR, i, (float[]) { color->r, color->g, color->b, color->a });
|
|
|
|
}
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
if (depth && !state.depthWrite) {
|
|
|
|
state.depthWrite = true;
|
|
|
|
glDepthMask(state.depthWrite);
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
if (depth && stencil) {
|
|
|
|
glClearBufferfi(GL_DEPTH_STENCIL, 0, *depth, *stencil);
|
|
|
|
} else if (depth) {
|
|
|
|
glClearBufferfv(GL_DEPTH, 0, depth);
|
|
|
|
} else if (stencil) {
|
|
|
|
glClearBufferiv(GL_STENCIL, 0, stencil);
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
2018-08-31 13:03:35 +00:00
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
void lovrGpuStencil(StencilAction action, int replaceValue, StencilCallback callback, void* userdata) {
|
|
|
|
state.depthWrite = false;
|
|
|
|
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
if (!state.stencilEnabled) {
|
|
|
|
state.stencilEnabled = true;
|
|
|
|
glEnable(GL_STENCIL_TEST);
|
2018-08-29 06:05:09 +00:00
|
|
|
}
|
2018-07-21 12:30:13 +00:00
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
GLenum glAction;
|
|
|
|
switch (action) {
|
|
|
|
case STENCIL_REPLACE: glAction = GL_REPLACE; break;
|
|
|
|
case STENCIL_INCREMENT: glAction = GL_INCR; break;
|
|
|
|
case STENCIL_DECREMENT: glAction = GL_DECR; break;
|
|
|
|
case STENCIL_INCREMENT_WRAP: glAction = GL_INCR_WRAP; break;
|
|
|
|
case STENCIL_DECREMENT_WRAP: glAction = GL_DECR_WRAP; break;
|
|
|
|
case STENCIL_INVERT: glAction = GL_INVERT; break;
|
|
|
|
}
|
2018-08-30 10:38:31 +00:00
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
glStencilFunc(GL_ALWAYS, replaceValue, 0xff);
|
|
|
|
glStencilOp(GL_KEEP, GL_KEEP, glAction);
|
2018-08-30 11:02:58 +00:00
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
state.stencilWriting = true;
|
|
|
|
callback(userdata);
|
|
|
|
state.stencilWriting = false;
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
|
|
|
|
state.stencilMode = ~0; // Dirty
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-09 00:53:59 +00:00
|
|
|
void lovrGpuCompute(Shader* shader, int x, int y, int z) {
|
2018-08-09 02:37:58 +00:00
|
|
|
#ifdef EMSCRIPTEN
|
|
|
|
lovrThrow("Compute shaders are not supported on this system");
|
|
|
|
#else
|
2018-08-09 01:03:46 +00:00
|
|
|
lovrAssert(GLAD_GL_ARB_compute_shader, "Compute shaders are not supported on this system");
|
2018-08-09 00:53:59 +00:00
|
|
|
lovrAssert(shader->type == SHADER_COMPUTE, "Attempt to use a non-compute shader for a compute operation");
|
2018-08-10 02:03:21 +00:00
|
|
|
lovrShaderBind(shader);
|
2018-08-09 00:53:59 +00:00
|
|
|
glDispatchCompute(x, y, z);
|
2018-08-09 02:37:58 +00:00
|
|
|
#endif
|
2018-08-09 00:53:59 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
void lovrGpuPresent() {
|
|
|
|
memset(&state.stats, 0, sizeof(state.stats));
|
2018-08-01 22:40:43 +00:00
|
|
|
#ifdef __APPLE__
|
|
|
|
// For some reason instancing doesn't work on macOS unless you reset the shader every frame
|
|
|
|
lovrGpuUseProgram(0);
|
|
|
|
#endif
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-09-01 06:24:59 +00:00
|
|
|
void lovrGpuDirtyTexture() {
|
|
|
|
state.textures[state.activeTexture] = NULL;
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
const GpuFeatures* lovrGpuGetSupported() {
|
|
|
|
return &state.features;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
const GpuLimits* lovrGpuGetLimits() {
|
|
|
|
return &state.limits;
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
const GpuStats* lovrGpuGetStats() {
|
|
|
|
return &state.stats;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
// Texture
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-29 11:28:12 +00:00
|
|
|
Texture* lovrTextureCreate(TextureType type, TextureData** slices, int sliceCount, bool srgb, bool mipmaps, int msaa) {
|
2018-08-09 23:12:57 +00:00
|
|
|
Texture* texture = lovrAlloc(Texture, lovrTextureDestroy);
|
|
|
|
if (!texture) return NULL;
|
|
|
|
|
|
|
|
texture->type = type;
|
|
|
|
texture->srgb = srgb;
|
|
|
|
texture->mipmaps = mipmaps;
|
|
|
|
|
|
|
|
switch (type) {
|
|
|
|
case TEXTURE_2D: texture->target = GL_TEXTURE_2D; break;
|
|
|
|
case TEXTURE_ARRAY: texture->target = GL_TEXTURE_2D_ARRAY; break;
|
|
|
|
case TEXTURE_CUBE: texture->target = GL_TEXTURE_CUBE_MAP; break;
|
|
|
|
case TEXTURE_VOLUME: texture->target = GL_TEXTURE_3D; break;
|
|
|
|
}
|
|
|
|
|
|
|
|
WrapMode wrap = type == TEXTURE_CUBE ? WRAP_CLAMP : WRAP_REPEAT;
|
|
|
|
glGenTextures(1, &texture->id);
|
|
|
|
lovrGpuBindTexture(texture, 0);
|
|
|
|
lovrTextureSetFilter(texture, lovrGraphicsGetDefaultFilter());
|
|
|
|
lovrTextureSetWrap(texture, (TextureWrap) { .s = wrap, .t = wrap, .r = wrap });
|
|
|
|
|
2018-08-29 11:28:12 +00:00
|
|
|
if (msaa > 0) {
|
|
|
|
texture->msaa = msaa;
|
|
|
|
glGenRenderbuffers(1, &texture->msaaId);
|
|
|
|
}
|
|
|
|
|
2018-08-09 23:12:57 +00:00
|
|
|
if (sliceCount > 0) {
|
|
|
|
lovrTextureAllocate(texture, slices[0]->width, slices[0]->height, sliceCount, slices[0]->format);
|
|
|
|
for (int i = 0; i < sliceCount; i++) {
|
|
|
|
lovrTextureReplacePixels(texture, slices[i], 0, 0, i, 0);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return texture;
|
|
|
|
}
|
|
|
|
|
|
|
|
void lovrTextureDestroy(void* ref) {
|
|
|
|
Texture* texture = ref;
|
|
|
|
glDeleteTextures(1, &texture->id);
|
2018-08-29 11:28:12 +00:00
|
|
|
glDeleteRenderbuffers(1, &texture->msaaId);
|
2018-08-31 13:03:35 +00:00
|
|
|
lovrGpuDestroySyncResource(texture, texture->incoherent);
|
2018-08-09 23:12:57 +00:00
|
|
|
free(texture);
|
|
|
|
}
|
|
|
|
|
|
|
|
void lovrTextureAllocate(Texture* texture, int width, int height, int depth, TextureFormat format) {
|
2018-08-31 13:03:35 +00:00
|
|
|
int maxSize = state.limits.textureSize;
|
2018-08-09 23:12:57 +00:00
|
|
|
lovrAssert(!texture->allocated, "Texture is already allocated");
|
|
|
|
lovrAssert(texture->type != TEXTURE_CUBE || width == height, "Cubemap images must be square");
|
|
|
|
lovrAssert(texture->type != TEXTURE_CUBE || depth == 6, "6 images are required for a cube texture\n");
|
|
|
|
lovrAssert(texture->type != TEXTURE_2D || depth == 1, "2D textures can only contain a single image");
|
|
|
|
lovrAssert(width < maxSize, "Texture width %d exceeds max of %d", width, maxSize);
|
|
|
|
lovrAssert(height < maxSize, "Texture height %d exceeds max of %d", height, maxSize);
|
2018-08-29 11:28:12 +00:00
|
|
|
lovrAssert(!texture->msaa || texture->type == TEXTURE_2D, "Only 2D textures can be created with MSAA");
|
2018-08-09 23:12:57 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
texture->allocated = true;
|
2018-08-09 23:12:57 +00:00
|
|
|
texture->width = width;
|
|
|
|
texture->height = height;
|
2018-08-22 04:08:40 +00:00
|
|
|
texture->depth = depth;
|
2018-08-09 23:12:57 +00:00
|
|
|
texture->format = format;
|
2018-07-20 02:28:27 +00:00
|
|
|
|
|
|
|
if (texture->mipmaps) {
|
2018-08-09 23:12:57 +00:00
|
|
|
int dimension = texture->type == TEXTURE_VOLUME ? (MAX(MAX(width, height), depth)) : MAX(width, height);
|
2018-07-20 02:28:27 +00:00
|
|
|
texture->mipmapCount = texture->mipmaps ? (log2(dimension) + 1) : 1;
|
|
|
|
} else {
|
|
|
|
texture->mipmapCount = 1;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-09 23:12:57 +00:00
|
|
|
if (isTextureFormatCompressed(format)) {
|
2018-07-17 10:35:01 +00:00
|
|
|
return;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
bool srgb = state.srgb && texture->srgb;
|
2018-08-09 23:12:57 +00:00
|
|
|
GLenum glFormat = convertTextureFormat(format);
|
|
|
|
GLenum internalFormat = convertTextureFormatInternal(format, srgb);
|
2018-07-17 10:35:01 +00:00
|
|
|
#ifndef EMSCRIPTEN
|
|
|
|
if (GLAD_GL_ARB_texture_storage) {
|
|
|
|
#endif
|
|
|
|
if (texture->type == TEXTURE_ARRAY) {
|
2018-08-09 23:12:57 +00:00
|
|
|
glTexStorage3D(texture->target, texture->mipmapCount, internalFormat, width, height, depth);
|
2018-07-17 10:35:01 +00:00
|
|
|
} else {
|
2018-08-09 23:12:57 +00:00
|
|
|
glTexStorage2D(texture->target, texture->mipmapCount, internalFormat, width, height);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-07-17 10:35:01 +00:00
|
|
|
#ifndef EMSCRIPTEN
|
|
|
|
} else {
|
2018-07-20 02:28:27 +00:00
|
|
|
for (int i = 0; i < texture->mipmapCount; i++) {
|
2018-07-17 10:35:01 +00:00
|
|
|
switch (texture->type) {
|
|
|
|
case TEXTURE_2D:
|
2018-08-09 23:12:57 +00:00
|
|
|
glTexImage2D(texture->target, i, internalFormat, width, height, 0, glFormat, GL_UNSIGNED_BYTE, NULL);
|
2018-07-17 10:35:01 +00:00
|
|
|
break;
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
case TEXTURE_CUBE:
|
|
|
|
for (int face = 0; face < 6; face++) {
|
2018-08-09 23:12:57 +00:00
|
|
|
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + face, i, internalFormat, width, height, 0, glFormat, GL_UNSIGNED_BYTE, NULL);
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case TEXTURE_ARRAY:
|
|
|
|
case TEXTURE_VOLUME:
|
2018-08-09 23:12:57 +00:00
|
|
|
glTexImage3D(texture->target, i, internalFormat, width, height, depth, 0, glFormat, GL_UNSIGNED_BYTE, NULL);
|
2018-07-17 10:35:01 +00:00
|
|
|
break;
|
|
|
|
}
|
2018-08-09 23:12:57 +00:00
|
|
|
width = MAX(width >> 1, 1);
|
|
|
|
height = MAX(height >> 1, 1);
|
|
|
|
depth = texture->type == TEXTURE_VOLUME ? MAX(depth >> 1, 1) : depth;
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
2018-08-29 11:28:12 +00:00
|
|
|
|
|
|
|
if (texture->msaaId) {
|
|
|
|
glBindRenderbuffer(GL_RENDERBUFFER, texture->msaaId);
|
|
|
|
glRenderbufferStorageMultisample(GL_RENDERBUFFER, texture->msaa, internalFormat, width, height);
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-23 02:42:39 +00:00
|
|
|
void lovrTextureReplacePixels(Texture* texture, TextureData* textureData, int x, int y, int slice, int mipmap) {
|
2018-08-09 23:12:57 +00:00
|
|
|
lovrAssert(texture->allocated, "Texture is not allocated");
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
#ifndef EMSCRIPTEN
|
2018-08-12 04:17:22 +00:00
|
|
|
if ((texture->incoherent >> BARRIER_TEXTURE) & 1) {
|
2018-08-31 13:03:35 +00:00
|
|
|
lovrGpuSync(1 << BARRIER_TEXTURE);
|
2018-08-12 04:17:22 +00:00
|
|
|
}
|
2018-08-31 13:03:35 +00:00
|
|
|
#endif
|
2018-08-12 04:17:22 +00:00
|
|
|
|
2018-08-16 21:28:10 +00:00
|
|
|
int maxWidth = lovrTextureGetWidth(texture, mipmap);
|
|
|
|
int maxHeight = lovrTextureGetHeight(texture, mipmap);
|
|
|
|
int width = textureData->width;
|
|
|
|
int height = textureData->height;
|
|
|
|
bool overflow = (x + width > maxWidth) || (y + height > maxHeight);
|
2018-07-23 02:42:39 +00:00
|
|
|
lovrAssert(!overflow, "Trying to replace pixels outside the texture's bounds");
|
|
|
|
lovrAssert(mipmap >= 0 && mipmap < texture->mipmapCount, "Invalid mipmap level %d", mipmap);
|
2018-07-17 10:35:01 +00:00
|
|
|
GLenum glFormat = convertTextureFormat(textureData->format);
|
|
|
|
GLenum glInternalFormat = convertTextureFormatInternal(textureData->format, texture->srgb);
|
2018-08-09 23:12:57 +00:00
|
|
|
GLenum binding = (texture->type == TEXTURE_CUBE) ? GL_TEXTURE_CUBE_MAP_POSITIVE_X + slice : texture->target;
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-09 23:12:57 +00:00
|
|
|
lovrGpuBindTexture(texture, 0);
|
2018-07-17 10:35:01 +00:00
|
|
|
if (isTextureFormatCompressed(textureData->format)) {
|
2018-08-16 21:28:10 +00:00
|
|
|
lovrAssert(width == maxWidth && height == maxHeight, "Compressed texture pixels must be fully replaced");
|
2018-07-23 02:42:39 +00:00
|
|
|
lovrAssert(mipmap == 0, "Unable to replace a specific mipmap of a compressed texture");
|
2018-07-17 10:35:01 +00:00
|
|
|
Mipmap m; int i;
|
|
|
|
vec_foreach(&textureData->mipmaps, m, i) {
|
|
|
|
switch (texture->type) {
|
|
|
|
case TEXTURE_2D:
|
|
|
|
case TEXTURE_CUBE:
|
|
|
|
glCompressedTexImage2D(binding, i, glInternalFormat, m.width, m.height, 0, m.size, m.data);
|
|
|
|
break;
|
|
|
|
case TEXTURE_ARRAY:
|
|
|
|
case TEXTURE_VOLUME:
|
2018-07-17 21:53:21 +00:00
|
|
|
glCompressedTexSubImage3D(binding, i, x, y, slice, m.width, m.height, 1, glInternalFormat, m.size, m.data);
|
2018-07-17 10:35:01 +00:00
|
|
|
break;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-07-17 10:35:01 +00:00
|
|
|
} else {
|
2018-09-01 12:40:45 +00:00
|
|
|
lovrAssert(textureData->blob.data, "Trying to replace Texture pixels with empty pixel data");
|
|
|
|
GLenum glType = convertTextureFormatType(textureData->format);
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
switch (texture->type) {
|
|
|
|
case TEXTURE_2D:
|
|
|
|
case TEXTURE_CUBE:
|
2018-08-16 21:28:10 +00:00
|
|
|
glTexSubImage2D(binding, mipmap, x, y, width, height, glFormat, glType, textureData->blob.data);
|
2018-07-17 06:51:11 +00:00
|
|
|
break;
|
2018-07-17 10:35:01 +00:00
|
|
|
case TEXTURE_ARRAY:
|
|
|
|
case TEXTURE_VOLUME:
|
2018-08-16 21:28:10 +00:00
|
|
|
glTexSubImage3D(binding, mipmap, x, y, slice, width, height, 1, glFormat, glType, textureData->blob.data);
|
2018-07-17 06:51:11 +00:00
|
|
|
break;
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
if (texture->mipmaps) {
|
2018-09-05 10:48:44 +00:00
|
|
|
#if defined(__APPLE__) || defined(EMSCRIPTEN) // glGenerateMipmap doesn't work on big cubemap textures on macOS
|
|
|
|
if (texture->type != TEXTURE_CUBE || width < 2048) {
|
|
|
|
glGenerateMipmap(texture->target);
|
|
|
|
} else {
|
|
|
|
glTexParameteri(texture->target, GL_TEXTURE_MAX_LEVEL, 0);
|
|
|
|
}
|
|
|
|
#else
|
2018-08-09 23:12:57 +00:00
|
|
|
glGenerateMipmap(texture->target);
|
2018-09-05 10:48:44 +00:00
|
|
|
#endif
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-09 23:12:57 +00:00
|
|
|
GLuint lovrTextureGetId(Texture* texture) {
|
|
|
|
return texture->id;
|
|
|
|
}
|
|
|
|
|
|
|
|
int lovrTextureGetWidth(Texture* texture, int mipmap) {
|
|
|
|
return MAX(texture->width >> mipmap, 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
int lovrTextureGetHeight(Texture* texture, int mipmap) {
|
|
|
|
return MAX(texture->height >> mipmap, 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
int lovrTextureGetDepth(Texture* texture, int mipmap) {
|
|
|
|
return texture->type == TEXTURE_VOLUME ? MAX(texture->depth >> mipmap, 1) : texture->depth;
|
|
|
|
}
|
|
|
|
|
|
|
|
int lovrTextureGetMipmapCount(Texture* texture) {
|
|
|
|
return texture->mipmapCount;
|
|
|
|
}
|
|
|
|
|
|
|
|
TextureType lovrTextureGetType(Texture* texture) {
|
|
|
|
return texture->type;
|
|
|
|
}
|
|
|
|
|
2018-08-17 00:54:48 +00:00
|
|
|
TextureFormat lovrTextureGetFormat(Texture* texture) {
|
2018-08-16 21:27:45 +00:00
|
|
|
return texture->format;
|
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
TextureFilter lovrTextureGetFilter(Texture* texture) {
|
|
|
|
return texture->filter;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
void lovrTextureSetFilter(Texture* texture, TextureFilter filter) {
|
|
|
|
float anisotropy = filter.mode == FILTER_ANISOTROPIC ? MAX(filter.anisotropy, 1.) : 1.;
|
|
|
|
lovrGpuBindTexture(texture, 0);
|
|
|
|
texture->filter = filter;
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
switch (filter.mode) {
|
|
|
|
case FILTER_NEAREST:
|
2018-08-09 23:12:57 +00:00
|
|
|
glTexParameteri(texture->target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
|
|
glTexParameteri(texture->target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
2018-07-17 10:35:01 +00:00
|
|
|
break;
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
case FILTER_BILINEAR:
|
|
|
|
if (texture->mipmaps) {
|
2018-08-09 23:12:57 +00:00
|
|
|
glTexParameteri(texture->target, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
|
|
|
|
glTexParameteri(texture->target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
2018-07-17 10:35:01 +00:00
|
|
|
} else {
|
2018-08-09 23:12:57 +00:00
|
|
|
glTexParameteri(texture->target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
|
|
glTexParameteri(texture->target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-07-17 10:35:01 +00:00
|
|
|
break;
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
case FILTER_TRILINEAR:
|
|
|
|
case FILTER_ANISOTROPIC:
|
|
|
|
if (texture->mipmaps) {
|
2018-08-09 23:12:57 +00:00
|
|
|
glTexParameteri(texture->target, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
|
|
|
|
glTexParameteri(texture->target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
2018-07-17 10:35:01 +00:00
|
|
|
} else {
|
2018-08-09 23:12:57 +00:00
|
|
|
glTexParameteri(texture->target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
|
|
glTexParameteri(texture->target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-07-17 10:35:01 +00:00
|
|
|
break;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-08-09 23:12:57 +00:00
|
|
|
glTexParameteri(texture->target, GL_TEXTURE_MAX_ANISOTROPY_EXT, anisotropy);
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
TextureWrap lovrTextureGetWrap(Texture* texture) {
|
|
|
|
return texture->wrap;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
void lovrTextureSetWrap(Texture* texture, TextureWrap wrap) {
|
|
|
|
texture->wrap = wrap;
|
|
|
|
lovrGpuBindTexture(texture, 0);
|
2018-08-09 23:12:57 +00:00
|
|
|
glTexParameteri(texture->target, GL_TEXTURE_WRAP_S, convertWrapMode(wrap.s));
|
|
|
|
glTexParameteri(texture->target, GL_TEXTURE_WRAP_T, convertWrapMode(wrap.t));
|
2018-07-17 10:35:01 +00:00
|
|
|
if (texture->type == TEXTURE_CUBE || texture->type == TEXTURE_VOLUME) {
|
2018-08-09 23:12:57 +00:00
|
|
|
glTexParameteri(texture->target, GL_TEXTURE_WRAP_R, convertWrapMode(wrap.r));
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
// Canvas
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-24 21:43:39 +00:00
|
|
|
Canvas* lovrCanvasCreate(int width, int height, CanvasFlags flags) {
|
2018-08-16 00:56:19 +00:00
|
|
|
Canvas* canvas = lovrAlloc(Canvas, lovrCanvasDestroy);
|
2018-08-20 03:48:45 +00:00
|
|
|
if (!canvas) return NULL;
|
2018-07-17 10:35:01 +00:00
|
|
|
|
2018-08-24 21:43:39 +00:00
|
|
|
canvas->width = width;
|
|
|
|
canvas->height = height;
|
|
|
|
canvas->flags = flags;
|
|
|
|
|
2018-08-22 04:08:40 +00:00
|
|
|
glGenFramebuffers(1, &canvas->framebuffer);
|
2018-08-24 21:43:39 +00:00
|
|
|
lovrGpuBindFramebuffer(canvas->framebuffer);
|
|
|
|
|
|
|
|
if (flags.depth != DEPTH_NONE) {
|
|
|
|
GLenum attachment = flags.depth == DEPTH_D24S8 ? GL_DEPTH_STENCIL_ATTACHMENT : GL_DEPTH_ATTACHMENT;
|
|
|
|
GLenum format = convertDepthFormat(flags.depth);
|
|
|
|
glGenRenderbuffers(1, &canvas->depthBuffer);
|
|
|
|
glBindRenderbuffer(GL_RENDERBUFFER, canvas->depthBuffer);
|
2018-08-29 11:28:12 +00:00
|
|
|
glRenderbufferStorageMultisample(GL_RENDERBUFFER, canvas->flags.msaa, format, width, height);
|
2018-08-24 21:43:39 +00:00
|
|
|
glFramebufferRenderbuffer(GL_FRAMEBUFFER, attachment, GL_RENDERBUFFER, canvas->depthBuffer);
|
|
|
|
}
|
2018-08-22 04:08:40 +00:00
|
|
|
|
2018-08-29 11:28:12 +00:00
|
|
|
if (flags.msaa) {
|
|
|
|
glGenFramebuffers(1, &canvas->resolveBuffer);
|
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
return canvas;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
void lovrCanvasDestroy(void* ref) {
|
|
|
|
Canvas* canvas = ref;
|
2018-08-22 04:08:40 +00:00
|
|
|
glDeleteFramebuffers(1, &canvas->framebuffer);
|
2018-08-29 11:28:12 +00:00
|
|
|
glDeleteRenderbuffers(1, &canvas->depthBuffer);
|
|
|
|
glDeleteFramebuffers(1, &canvas->resolveBuffer);
|
2018-08-24 01:33:38 +00:00
|
|
|
for (int i = 0; i < canvas->count; i++) {
|
2018-08-24 01:28:37 +00:00
|
|
|
lovrRelease(canvas->attachments[i].texture);
|
2018-08-22 04:08:40 +00:00
|
|
|
}
|
2018-08-20 03:48:45 +00:00
|
|
|
free(ref);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-08-24 01:28:37 +00:00
|
|
|
const Attachment* lovrCanvasGetAttachments(Canvas* canvas, int* count) {
|
2018-08-27 18:01:05 +00:00
|
|
|
if (count) *count = canvas->count;
|
2018-08-24 01:28:37 +00:00
|
|
|
return canvas->attachments;
|
|
|
|
}
|
|
|
|
|
|
|
|
void lovrCanvasSetAttachments(Canvas* canvas, Attachment* attachments, int count) {
|
|
|
|
lovrAssert(count > 0, "A Canvas must have at least one attached Texture");
|
|
|
|
lovrAssert(count <= MAX_CANVAS_ATTACHMENTS, "Only %d textures can be attached to a Canvas, got %d\n", MAX_CANVAS_ATTACHMENTS, count);
|
|
|
|
|
2018-08-29 19:40:19 +00:00
|
|
|
if (!canvas->needsAttach && count == canvas->count && !memcmp(canvas->attachments, attachments, count * sizeof(Attachment))) {
|
|
|
|
return;
|
|
|
|
}
|
2018-08-24 01:33:38 +00:00
|
|
|
|
2018-08-29 19:40:19 +00:00
|
|
|
for (int i = 0; i < count; i++) {
|
|
|
|
Texture* texture = attachments[i].texture;
|
|
|
|
int width = lovrTextureGetWidth(texture, attachments[i].level);
|
|
|
|
int height = lovrTextureGetHeight(texture, attachments[i].level);
|
2018-08-30 00:06:20 +00:00
|
|
|
lovrAssert(!canvas->depthBuffer || width == canvas->width, "Texture width of %d does not match Canvas width", width);
|
|
|
|
lovrAssert(!canvas->depthBuffer || height == canvas->height, "Texture height of %d does not match Canvas height", height);
|
2018-08-29 19:40:19 +00:00
|
|
|
lovrAssert(texture->msaa == canvas->flags.msaa, "Texture MSAA does not match Canvas MSAA");
|
|
|
|
lovrRetain(texture);
|
|
|
|
}
|
2018-08-24 01:33:38 +00:00
|
|
|
|
2018-08-29 19:40:19 +00:00
|
|
|
for (int i = 0; i < canvas->count; i++) {
|
|
|
|
lovrRelease(canvas->attachments[i].texture);
|
2018-08-24 01:28:37 +00:00
|
|
|
}
|
2018-08-29 19:40:19 +00:00
|
|
|
|
|
|
|
memcpy(canvas->attachments, attachments, count * sizeof(Attachment));
|
|
|
|
canvas->count = count;
|
|
|
|
canvas->needsAttach = true;
|
2018-08-24 01:28:37 +00:00
|
|
|
}
|
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
void lovrCanvasBind(Canvas* canvas, bool willDraw) {
|
|
|
|
if (canvas) {
|
|
|
|
lovrGpuBindFramebuffer(canvas->framebuffer);
|
|
|
|
canvas->needsResolve = willDraw;
|
|
|
|
} else {
|
|
|
|
lovrGpuBindFramebuffer(0);
|
|
|
|
return;
|
|
|
|
}
|
2018-08-24 01:28:37 +00:00
|
|
|
|
2018-08-29 19:40:19 +00:00
|
|
|
if (!canvas->needsAttach) {
|
2018-08-24 01:28:37 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
// We need to synchronize if any of the Canvas attachments have pending writes on them
|
2018-08-31 13:03:35 +00:00
|
|
|
#ifndef EMSCRIPTEN
|
2018-08-24 01:28:37 +00:00
|
|
|
for (int i = 0; i < canvas->count; i++) {
|
|
|
|
Texture* texture = canvas->attachments[i].texture;
|
|
|
|
if (texture->incoherent && (texture->incoherent >> BARRIER_CANVAS) & 1) {
|
2018-08-31 13:03:35 +00:00
|
|
|
lovrGpuSync(1 << BARRIER_CANVAS);
|
2018-08-24 01:28:37 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
2018-08-31 13:03:35 +00:00
|
|
|
#endif
|
2018-08-24 01:28:37 +00:00
|
|
|
|
2018-08-29 11:28:12 +00:00
|
|
|
// Use the read framebuffer as a binding point to bind resolve textures
|
|
|
|
if (canvas->flags.msaa) {
|
|
|
|
glBindFramebuffer(GL_READ_FRAMEBUFFER, canvas->resolveBuffer);
|
|
|
|
}
|
|
|
|
|
2018-08-24 01:28:37 +00:00
|
|
|
GLenum buffers[MAX_CANVAS_ATTACHMENTS] = { GL_NONE };
|
|
|
|
for (int i = 0; i < canvas->count; i++) {
|
|
|
|
GLenum buffer = buffers[i] = GL_COLOR_ATTACHMENT0 + i;
|
|
|
|
Attachment* attachment = &canvas->attachments[i];
|
|
|
|
Texture* texture = attachment->texture;
|
|
|
|
int slice = attachment->slice;
|
|
|
|
int level = attachment->level;
|
2018-08-29 11:28:12 +00:00
|
|
|
|
2018-09-01 06:24:59 +00:00
|
|
|
if (canvas->flags.msaa) {
|
2018-08-29 11:28:12 +00:00
|
|
|
glFramebufferRenderbuffer(GL_FRAMEBUFFER, buffer, GL_RENDERBUFFER, texture->msaaId);
|
|
|
|
}
|
2018-08-24 01:28:37 +00:00
|
|
|
|
|
|
|
switch (texture->type) {
|
2018-08-30 03:53:39 +00:00
|
|
|
case TEXTURE_2D: glFramebufferTexture2D(GL_READ_FRAMEBUFFER, buffer, GL_TEXTURE_2D, texture->id, level); break;
|
|
|
|
case TEXTURE_CUBE: glFramebufferTexture2D(GL_READ_FRAMEBUFFER, buffer, GL_TEXTURE_CUBE_MAP_POSITIVE_X + slice, texture->id, level); break;
|
|
|
|
case TEXTURE_ARRAY: glFramebufferTextureLayer(GL_READ_FRAMEBUFFER, buffer, texture->id, level, slice); break;
|
2018-08-31 03:56:08 +00:00
|
|
|
case TEXTURE_VOLUME: glFramebufferTextureLayer(GL_READ_FRAMEBUFFER, buffer, texture->id, level, slice); break;
|
2018-08-24 01:28:37 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
glDrawBuffers(canvas->count, buffers);
|
|
|
|
|
|
|
|
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
|
2018-08-24 22:11:37 +00:00
|
|
|
switch (status) {
|
|
|
|
case GL_FRAMEBUFFER_COMPLETE: break;
|
|
|
|
case GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE: lovrThrow("Unable to set Canvas (MSAA settings)"); break;
|
|
|
|
case GL_FRAMEBUFFER_UNSUPPORTED: lovrThrow("Unable to set Canvas (Texture formats)"); break;
|
|
|
|
default: lovrThrow("Unable to set Canvas (reason unknown)"); break;
|
|
|
|
}
|
2018-08-24 01:28:37 +00:00
|
|
|
|
2018-08-29 19:40:19 +00:00
|
|
|
canvas->needsAttach = false;
|
2018-08-24 01:28:37 +00:00
|
|
|
}
|
|
|
|
|
2018-08-29 19:40:19 +00:00
|
|
|
void lovrCanvasResolve(Canvas* canvas) {
|
2018-08-29 21:08:03 +00:00
|
|
|
if (!canvas->needsResolve) {
|
2018-08-29 19:40:19 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2018-08-29 21:08:03 +00:00
|
|
|
if (canvas->flags.msaa) {
|
|
|
|
int w = canvas->width;
|
|
|
|
int h = canvas->height;
|
|
|
|
glBindFramebuffer(GL_READ_FRAMEBUFFER, canvas->framebuffer);
|
|
|
|
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, canvas->resolveBuffer);
|
|
|
|
state.framebuffer = canvas->resolveBuffer;
|
2018-08-29 20:20:13 +00:00
|
|
|
|
2018-08-29 21:08:03 +00:00
|
|
|
if (canvas->count == 1) {
|
2018-08-29 20:20:13 +00:00
|
|
|
glBlitFramebuffer(0, 0, w, h, 0, 0, w, h, GL_COLOR_BUFFER_BIT, GL_NEAREST);
|
2018-08-29 21:08:03 +00:00
|
|
|
} else {
|
|
|
|
GLenum buffers[MAX_CANVAS_ATTACHMENTS] = { GL_NONE };
|
|
|
|
for (int i = 0; i < canvas->count; i++) {
|
|
|
|
buffers[i] = GL_COLOR_ATTACHMENT0 + i;
|
|
|
|
glReadBuffer(i);
|
|
|
|
glDrawBuffers(1, &buffers[i]);
|
|
|
|
glBlitFramebuffer(0, 0, w, h, 0, 0, w, h, GL_COLOR_BUFFER_BIT, GL_NEAREST);
|
|
|
|
}
|
|
|
|
glReadBuffer(0);
|
|
|
|
glDrawBuffers(canvas->count, buffers);
|
2018-08-29 20:20:13 +00:00
|
|
|
}
|
|
|
|
}
|
2018-08-29 20:34:54 +00:00
|
|
|
|
|
|
|
if (canvas->flags.mipmaps) {
|
|
|
|
for (int i = 0; i < canvas->count; i++) {
|
|
|
|
Texture* texture = canvas->attachments[i].texture;
|
|
|
|
if (texture->mipmapCount > 1) {
|
|
|
|
lovrGpuBindTexture(texture, 0);
|
|
|
|
glGenerateMipmap(texture->target);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2018-08-29 21:08:03 +00:00
|
|
|
|
|
|
|
canvas->needsResolve = false;
|
2018-08-29 20:20:13 +00:00
|
|
|
}
|
|
|
|
|
2018-08-29 04:16:19 +00:00
|
|
|
bool lovrCanvasIsStereo(Canvas* canvas) {
|
|
|
|
return canvas->flags.stereo;
|
|
|
|
}
|
|
|
|
|
2018-08-30 00:06:20 +00:00
|
|
|
int lovrCanvasGetWidth(Canvas* canvas) {
|
2018-08-27 19:42:18 +00:00
|
|
|
return canvas->width;
|
|
|
|
}
|
|
|
|
|
2018-08-30 00:06:20 +00:00
|
|
|
int lovrCanvasGetHeight(Canvas* canvas) {
|
2018-08-27 19:42:18 +00:00
|
|
|
return canvas->height;
|
|
|
|
}
|
|
|
|
|
2018-08-30 00:06:20 +00:00
|
|
|
int lovrCanvasGetMSAA(Canvas* canvas) {
|
|
|
|
return canvas->flags.msaa;
|
|
|
|
}
|
|
|
|
|
|
|
|
DepthFormat lovrCanvasGetDepthFormat(Canvas* canvas) {
|
|
|
|
return canvas->flags.depth;
|
|
|
|
}
|
|
|
|
|
2018-08-29 21:03:14 +00:00
|
|
|
TextureData* lovrCanvasNewTextureData(Canvas* canvas, int index) {
|
2018-08-31 13:03:35 +00:00
|
|
|
lovrCanvasBind(canvas, false);
|
2018-08-29 21:03:14 +00:00
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
#ifndef EMSCRIPTEN
|
2018-08-29 21:03:14 +00:00
|
|
|
Texture* texture = canvas->attachments[index].texture;
|
|
|
|
if ((texture->incoherent >> BARRIER_TEXTURE) & 1) {
|
2018-08-31 13:03:35 +00:00
|
|
|
lovrGpuSync(1 << BARRIER_TEXTURE);
|
2018-08-29 21:03:14 +00:00
|
|
|
}
|
2018-08-31 13:03:35 +00:00
|
|
|
#endif
|
2018-08-29 21:03:14 +00:00
|
|
|
|
|
|
|
if (index != 0) {
|
|
|
|
glReadBuffer(index);
|
|
|
|
}
|
|
|
|
|
|
|
|
TextureData* textureData = lovrTextureDataCreate(canvas->width, canvas->height, 0x0, FORMAT_RGBA);
|
|
|
|
glReadPixels(0, 0, canvas->width, canvas->height, GL_RGBA, GL_UNSIGNED_BYTE, textureData->blob.data);
|
|
|
|
|
|
|
|
if (index != 0) {
|
|
|
|
glReadBuffer(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
return textureData;
|
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
// Shader
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-19 08:22:47 +00:00
|
|
|
static GLuint compileShader(GLenum type, const char** sources, int count) {
|
2018-07-17 10:35:01 +00:00
|
|
|
GLuint shader = glCreateShader(type);
|
2018-07-19 08:22:47 +00:00
|
|
|
glShaderSource(shader, count, sources, NULL);
|
2018-07-17 10:35:01 +00:00
|
|
|
glCompileShader(shader);
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
int isShaderCompiled;
|
|
|
|
glGetShaderiv(shader, GL_COMPILE_STATUS, &isShaderCompiled);
|
|
|
|
if (!isShaderCompiled) {
|
|
|
|
int logLength;
|
|
|
|
glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &logLength);
|
|
|
|
char* log = malloc(logLength);
|
|
|
|
glGetShaderInfoLog(shader, logLength, &logLength, log);
|
2018-08-11 07:04:09 +00:00
|
|
|
lovrThrow("Could not compile shader:\n%s", log);
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
return shader;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-08-07 23:58:14 +00:00
|
|
|
static GLuint linkProgram(GLuint program) {
|
2018-07-17 10:35:01 +00:00
|
|
|
glLinkProgram(program);
|
|
|
|
|
|
|
|
int isLinked;
|
|
|
|
glGetProgramiv(program, GL_LINK_STATUS, &isLinked);
|
|
|
|
if (!isLinked) {
|
|
|
|
int logLength;
|
|
|
|
glGetProgramiv(program, GL_INFO_LOG_LENGTH, &logLength);
|
|
|
|
char* log = malloc(logLength);
|
|
|
|
glGetProgramInfoLog(program, logLength, &logLength, log);
|
2018-08-11 07:04:09 +00:00
|
|
|
lovrThrow("Could not link shader:\n%s", log);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
return program;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-08-07 23:58:14 +00:00
|
|
|
static void lovrShaderSetupUniforms(Shader* shader) {
|
|
|
|
uint32_t program = shader->program;
|
|
|
|
lovrGpuUseProgram(program); // TODO necessary?
|
2018-07-17 10:35:01 +00:00
|
|
|
|
2018-07-28 22:40:13 +00:00
|
|
|
// Uniform blocks
|
|
|
|
int32_t blockCount;
|
|
|
|
glGetProgramiv(program, GL_ACTIVE_UNIFORM_BLOCKS, &blockCount);
|
2018-08-03 19:24:41 +00:00
|
|
|
lovrAssert(blockCount <= MAX_BLOCK_BUFFERS, "Shader has too many read-only blocks (%d) the max is %d", blockCount, MAX_BLOCK_BUFFERS);
|
2018-07-28 22:40:13 +00:00
|
|
|
map_init(&shader->blockMap);
|
2018-08-03 00:17:26 +00:00
|
|
|
vec_block_t* uniformBlocks = &shader->blocks[BLOCK_UNIFORM];
|
|
|
|
vec_init(uniformBlocks);
|
|
|
|
vec_reserve(uniformBlocks, blockCount);
|
2018-07-28 22:40:13 +00:00
|
|
|
for (int i = 0; i < blockCount; i++) {
|
2018-08-18 02:52:34 +00:00
|
|
|
UniformBlock block = { .slot = i, .source = NULL };
|
|
|
|
glUniformBlockBinding(program, i, block.slot);
|
2018-07-28 22:40:13 +00:00
|
|
|
vec_init(&block.uniforms);
|
|
|
|
|
|
|
|
char name[LOVR_MAX_UNIFORM_LENGTH];
|
|
|
|
glGetActiveUniformBlockName(program, i, LOVR_MAX_UNIFORM_LENGTH, NULL, name);
|
2018-08-03 00:17:26 +00:00
|
|
|
int blockId = (i << 1) + BLOCK_UNIFORM;
|
|
|
|
map_set(&shader->blockMap, name, blockId);
|
|
|
|
vec_push(uniformBlocks, block);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Shader storage buffers and their buffer variables
|
|
|
|
vec_block_t* storageBlocks = &shader->blocks[BLOCK_STORAGE];
|
|
|
|
vec_init(storageBlocks);
|
2018-08-06 15:51:06 +00:00
|
|
|
#ifndef EMSCRIPTEN
|
2018-08-03 00:17:26 +00:00
|
|
|
if (GLAD_GL_ARB_shader_storage_buffer_object && GLAD_GL_ARB_program_interface_query) {
|
|
|
|
|
|
|
|
// Iterate over storage blocks, setting their binding and pushing them onto the block vector
|
|
|
|
int storageCount;
|
|
|
|
glGetProgramInterfaceiv(program, GL_SHADER_STORAGE_BLOCK, GL_ACTIVE_RESOURCES, &storageCount);
|
2018-08-03 19:24:41 +00:00
|
|
|
lovrAssert(storageCount <= MAX_BLOCK_BUFFERS, "Shader has too many writable blocks (%d) the max is %d", storageCount, MAX_BLOCK_BUFFERS);
|
2018-08-03 00:17:26 +00:00
|
|
|
vec_reserve(storageBlocks, storageCount);
|
|
|
|
for (int i = 0; i < storageCount; i++) {
|
2018-08-18 02:52:34 +00:00
|
|
|
UniformBlock block = { .slot = i, .source = NULL };
|
|
|
|
glShaderStorageBlockBinding(program, i, block.slot);
|
2018-08-03 00:17:26 +00:00
|
|
|
vec_init(&block.uniforms);
|
|
|
|
|
|
|
|
char name[LOVR_MAX_UNIFORM_LENGTH];
|
|
|
|
glGetProgramResourceName(program, GL_SHADER_STORAGE_BLOCK, i, LOVR_MAX_UNIFORM_LENGTH, NULL, name);
|
|
|
|
int blockId = (i << 1) + BLOCK_STORAGE;
|
|
|
|
map_set(&shader->blockMap, name, blockId);
|
|
|
|
vec_push(storageBlocks, block);
|
|
|
|
}
|
2018-08-03 18:19:40 +00:00
|
|
|
|
|
|
|
// Iterate over buffer variables, pushing them onto the uniform list of the correct block
|
|
|
|
int bufferVariableCount;
|
|
|
|
glGetProgramInterfaceiv(program, GL_BUFFER_VARIABLE, GL_ACTIVE_RESOURCES, &bufferVariableCount);
|
|
|
|
for (int i = 0; i < bufferVariableCount; i++) {
|
|
|
|
Uniform uniform;
|
|
|
|
enum { blockIndex, offset, glType, count, arrayStride, matrixStride, propCount };
|
|
|
|
int values[propCount];
|
|
|
|
GLenum properties[propCount] = { GL_BLOCK_INDEX, GL_OFFSET, GL_TYPE, GL_ARRAY_SIZE, GL_ARRAY_STRIDE, GL_MATRIX_STRIDE };
|
|
|
|
glGetProgramResourceiv(program, GL_BUFFER_VARIABLE, i, propCount, properties, sizeof(values), NULL, values);
|
|
|
|
glGetProgramResourceName(program, GL_BUFFER_VARIABLE, i, LOVR_MAX_UNIFORM_LENGTH, NULL, uniform.name);
|
|
|
|
uniform.type = getUniformType(values[glType], uniform.name);
|
|
|
|
uniform.components = getUniformComponents(uniform.type);
|
|
|
|
uniform.count = values[count];
|
|
|
|
uniform.offset = values[offset];
|
|
|
|
if (uniform.count > 1) {
|
|
|
|
uniform.size = uniform.count * values[arrayStride];
|
|
|
|
} else if (uniform.type == UNIFORM_MATRIX) {
|
|
|
|
uniform.size = values[matrixStride] * uniform.components;
|
|
|
|
} else {
|
2018-08-03 19:32:32 +00:00
|
|
|
uniform.size = 4 * (uniform.components == 3 ? 4 : uniform.components);
|
2018-08-03 18:19:40 +00:00
|
|
|
}
|
|
|
|
vec_push(&storageBlocks->data[values[blockIndex]].uniforms, uniform);
|
|
|
|
}
|
2018-07-28 22:40:13 +00:00
|
|
|
}
|
2018-08-06 15:51:06 +00:00
|
|
|
#endif
|
2018-07-28 22:40:13 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
// Uniform introspection
|
|
|
|
int32_t uniformCount;
|
|
|
|
int textureSlot = 0;
|
2018-08-18 02:52:34 +00:00
|
|
|
int imageSlot = 0;
|
2018-08-01 06:54:49 +00:00
|
|
|
map_init(&shader->uniformMap);
|
|
|
|
vec_init(&shader->uniforms);
|
2018-07-17 10:35:01 +00:00
|
|
|
glGetProgramiv(program, GL_ACTIVE_UNIFORMS, &uniformCount);
|
2018-07-28 22:40:13 +00:00
|
|
|
for (uint32_t i = 0; i < (uint32_t) uniformCount; i++) {
|
2018-07-17 10:35:01 +00:00
|
|
|
Uniform uniform;
|
2018-07-19 23:58:59 +00:00
|
|
|
GLenum glType;
|
|
|
|
glGetActiveUniform(program, i, LOVR_MAX_UNIFORM_LENGTH, NULL, &uniform.count, &glType, uniform.name);
|
2018-07-17 10:35:01 +00:00
|
|
|
|
|
|
|
char* subscript = strchr(uniform.name, '[');
|
|
|
|
if (subscript) {
|
|
|
|
*subscript = '\0';
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
uniform.location = glGetUniformLocation(program, uniform.name);
|
2018-07-19 23:58:59 +00:00
|
|
|
uniform.type = getUniformType(glType, uniform.name);
|
|
|
|
uniform.components = getUniformComponents(glType);
|
2018-08-10 11:21:03 +00:00
|
|
|
#ifdef EMSCRIPTEN
|
|
|
|
uniform.image = false;
|
|
|
|
#else
|
2018-08-10 10:37:02 +00:00
|
|
|
uniform.image = glType == GL_IMAGE_2D || glType == GL_IMAGE_3D || glType == GL_IMAGE_CUBE || glType == GL_IMAGE_2D_ARRAY;
|
2018-08-10 11:21:03 +00:00
|
|
|
#endif
|
2018-08-18 02:52:34 +00:00
|
|
|
uniform.textureType = getUniformTextureType(glType);
|
|
|
|
uniform.baseSlot = uniform.type == UNIFORM_SAMPLER ? textureSlot : (uniform.type == UNIFORM_IMAGE ? imageSlot : -1);
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-28 22:40:13 +00:00
|
|
|
int blockIndex;
|
|
|
|
glGetActiveUniformsiv(program, 1, &i, GL_UNIFORM_BLOCK_INDEX, &blockIndex);
|
|
|
|
|
|
|
|
if (blockIndex != -1) {
|
2018-08-03 00:17:26 +00:00
|
|
|
UniformBlock* block = &shader->blocks[BLOCK_UNIFORM].data[blockIndex];
|
2018-07-28 22:40:13 +00:00
|
|
|
glGetActiveUniformsiv(program, 1, &i, GL_UNIFORM_OFFSET, &uniform.offset);
|
2018-08-01 23:02:20 +00:00
|
|
|
glGetActiveUniformsiv(program, 1, &i, GL_UNIFORM_SIZE, &uniform.count);
|
|
|
|
if (uniform.count > 1) {
|
|
|
|
int stride;
|
|
|
|
glGetActiveUniformsiv(program, 1, &i, GL_UNIFORM_ARRAY_STRIDE, &stride);
|
|
|
|
uniform.size = stride * uniform.count;
|
|
|
|
} else if (uniform.type == UNIFORM_MATRIX) {
|
|
|
|
int matrixStride;
|
|
|
|
glGetActiveUniformsiv(program, 1, &i, GL_UNIFORM_MATRIX_STRIDE, &matrixStride);
|
|
|
|
uniform.size = uniform.components * matrixStride;
|
|
|
|
} else {
|
2018-08-03 19:32:32 +00:00
|
|
|
uniform.size = 4 * (uniform.components == 3 ? 4 : uniform.components);
|
2018-08-01 23:02:20 +00:00
|
|
|
}
|
2018-07-28 22:40:13 +00:00
|
|
|
vec_push(&block->uniforms, uniform);
|
|
|
|
continue;
|
|
|
|
} else if (uniform.location == -1) {
|
2018-07-17 06:51:11 +00:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
switch (uniform.type) {
|
|
|
|
case UNIFORM_FLOAT:
|
|
|
|
uniform.size = uniform.components * uniform.count * sizeof(float);
|
|
|
|
uniform.value.data = calloc(1, uniform.size);
|
|
|
|
break;
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
case UNIFORM_INT:
|
|
|
|
uniform.size = uniform.components * uniform.count * sizeof(int);
|
|
|
|
uniform.value.data = calloc(1, uniform.size);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case UNIFORM_MATRIX:
|
|
|
|
uniform.size = uniform.components * uniform.components * uniform.count * sizeof(int);
|
|
|
|
uniform.value.data = calloc(1, uniform.size);
|
|
|
|
break;
|
|
|
|
|
2018-08-18 02:52:34 +00:00
|
|
|
case UNIFORM_SAMPLER:
|
|
|
|
case UNIFORM_IMAGE:
|
|
|
|
uniform.size = uniform.count * (uniform.type == UNIFORM_SAMPLER ? sizeof(Texture*) : sizeof(Image));
|
2018-07-17 10:35:01 +00:00
|
|
|
uniform.value.data = calloc(1, uniform.size);
|
|
|
|
|
|
|
|
// Use the value for ints to bind texture slots, but use the value for textures afterwards.
|
|
|
|
for (int i = 0; i < uniform.count; i++) {
|
2018-08-18 02:52:34 +00:00
|
|
|
uniform.value.ints[i] = uniform.baseSlot + i;
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
|
|
|
glUniform1iv(uniform.location, uniform.count, uniform.value.ints);
|
2018-08-18 02:52:34 +00:00
|
|
|
memset(uniform.value.data, 0, uniform.size);
|
2018-07-17 10:35:01 +00:00
|
|
|
break;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
size_t offset = 0;
|
|
|
|
for (int j = 0; j < uniform.count; j++) {
|
|
|
|
int location = uniform.location;
|
|
|
|
|
|
|
|
if (uniform.count > 1) {
|
|
|
|
char name[LOVR_MAX_UNIFORM_LENGTH];
|
|
|
|
snprintf(name, LOVR_MAX_UNIFORM_LENGTH, "%s[%d]", uniform.name, j);
|
|
|
|
location = glGetUniformLocation(program, name);
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (uniform.type) {
|
|
|
|
case UNIFORM_FLOAT:
|
|
|
|
glGetUniformfv(program, location, &uniform.value.floats[offset]);
|
|
|
|
offset += uniform.components;
|
2018-07-17 06:51:11 +00:00
|
|
|
break;
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
case UNIFORM_INT:
|
|
|
|
glGetUniformiv(program, location, &uniform.value.ints[offset]);
|
|
|
|
offset += uniform.components;
|
2018-07-17 06:51:11 +00:00
|
|
|
break;
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
case UNIFORM_MATRIX:
|
|
|
|
glGetUniformfv(program, location, &uniform.value.floats[offset]);
|
|
|
|
offset += uniform.components * uniform.components;
|
|
|
|
break;
|
|
|
|
|
2018-08-18 02:52:34 +00:00
|
|
|
default: break;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-07-28 22:40:13 +00:00
|
|
|
map_set(&shader->uniformMap, uniform.name, shader->uniforms.length);
|
|
|
|
vec_push(&shader->uniforms, uniform);
|
2018-08-18 02:52:34 +00:00
|
|
|
textureSlot += uniform.type == UNIFORM_SAMPLER ? uniform.count : 0;
|
|
|
|
imageSlot += uniform.type == UNIFORM_IMAGE ? uniform.count : 0;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-08-07 23:58:14 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
Shader* lovrShaderCreateGraphics(const char* vertexSource, const char* fragmentSource) {
|
|
|
|
Shader* shader = lovrAlloc(Shader, lovrShaderDestroy);
|
|
|
|
if (!shader) return NULL;
|
|
|
|
|
2018-09-01 08:57:38 +00:00
|
|
|
#ifdef EMSCRIPTEN
|
|
|
|
const char* vertexHeader = "#version 300 es\nprecision mediump float;\nprecision mediump int;\n";
|
|
|
|
const char* fragmentHeader = vertexHeader;
|
|
|
|
#else
|
|
|
|
const char* vertexHeader = state.features.computeShaders ? "#version 430\n" : "#version 150\n";
|
|
|
|
const char* fragmentHeader = "#version 150\nin vec4 gl_FragCoord;\n";
|
|
|
|
#endif
|
|
|
|
|
2018-09-01 02:52:03 +00:00
|
|
|
const char* vertexSinglepass = state.features.singlepass ?
|
|
|
|
"#extension GL_AMD_vertex_shader_viewport_index : require\n" "#define SINGLEPASS 1\n" :
|
|
|
|
"#define SINGLEPASS 0\n";
|
|
|
|
|
|
|
|
const char* fragmentSinglepass = state.features.singlepass ?
|
|
|
|
"#extension GL_ARB_fragment_layer_viewport : require\n" "#define SINGLEPASS 1\n" :
|
|
|
|
"#define SINGLEPASS 0\n";
|
|
|
|
|
2018-08-07 23:58:14 +00:00
|
|
|
// Vertex
|
|
|
|
vertexSource = vertexSource == NULL ? lovrDefaultVertexShader : vertexSource;
|
2018-09-01 08:57:38 +00:00
|
|
|
const char* vertexSources[] = { vertexHeader, vertexSinglepass, lovrShaderVertexPrefix, vertexSource, lovrShaderVertexSuffix };
|
2018-08-07 23:58:14 +00:00
|
|
|
GLuint vertexShader = compileShader(GL_VERTEX_SHADER, vertexSources, sizeof(vertexSources) / sizeof(vertexSources[0]));
|
|
|
|
|
|
|
|
// Fragment
|
|
|
|
fragmentSource = fragmentSource == NULL ? lovrDefaultFragmentShader : fragmentSource;
|
2018-09-01 08:57:38 +00:00
|
|
|
const char* fragmentSources[] = { fragmentHeader, fragmentSinglepass, lovrShaderFragmentPrefix, fragmentSource, lovrShaderFragmentSuffix };
|
2018-08-07 23:58:14 +00:00
|
|
|
GLuint fragmentShader = compileShader(GL_FRAGMENT_SHADER, fragmentSources, sizeof(fragmentSources) / sizeof(fragmentSources[0]));
|
|
|
|
|
|
|
|
// Link
|
|
|
|
uint32_t program = glCreateProgram();
|
|
|
|
glAttachShader(program, vertexShader);
|
|
|
|
glAttachShader(program, fragmentShader);
|
|
|
|
glBindAttribLocation(program, LOVR_SHADER_POSITION, "lovrPosition");
|
|
|
|
glBindAttribLocation(program, LOVR_SHADER_NORMAL, "lovrNormal");
|
|
|
|
glBindAttribLocation(program, LOVR_SHADER_TEX_COORD, "lovrTexCoord");
|
|
|
|
glBindAttribLocation(program, LOVR_SHADER_VERTEX_COLOR, "lovrVertexColor");
|
|
|
|
glBindAttribLocation(program, LOVR_SHADER_TANGENT, "lovrTangent");
|
|
|
|
glBindAttribLocation(program, LOVR_SHADER_BONES, "lovrBones");
|
|
|
|
glBindAttribLocation(program, LOVR_SHADER_BONE_WEIGHTS, "lovrBoneWeights");
|
|
|
|
linkProgram(program);
|
|
|
|
glDetachShader(program, vertexShader);
|
|
|
|
glDeleteShader(vertexShader);
|
|
|
|
glDetachShader(program, fragmentShader);
|
|
|
|
glDeleteShader(fragmentShader);
|
|
|
|
shader->program = program;
|
|
|
|
shader->type = SHADER_GRAPHICS;
|
|
|
|
|
|
|
|
lovrGpuUseProgram(program);
|
|
|
|
glVertexAttrib4fv(LOVR_SHADER_VERTEX_COLOR, (float[4]) { 1., 1., 1., 1. });
|
|
|
|
glVertexAttribI4iv(LOVR_SHADER_BONES, (int[4]) { 0., 0., 0., 0. });
|
|
|
|
glVertexAttrib4fv(LOVR_SHADER_BONE_WEIGHTS, (float[4]) { 1., 0., 0., 0. });
|
|
|
|
|
|
|
|
lovrShaderSetupUniforms(shader);
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
// Attribute cache
|
|
|
|
int32_t attributeCount;
|
|
|
|
glGetProgramiv(program, GL_ACTIVE_ATTRIBUTES, &attributeCount);
|
|
|
|
map_init(&shader->attributes);
|
|
|
|
for (int i = 0; i < attributeCount; i++) {
|
|
|
|
char name[LOVR_MAX_ATTRIBUTE_LENGTH];
|
|
|
|
GLint size;
|
|
|
|
GLenum type;
|
|
|
|
glGetActiveAttrib(program, i, LOVR_MAX_ATTRIBUTE_LENGTH, NULL, &size, &type, name);
|
|
|
|
map_set(&shader->attributes, name, glGetAttribLocation(program, name));
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
return shader;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-08-07 23:58:14 +00:00
|
|
|
Shader* lovrShaderCreateCompute(const char* source) {
|
|
|
|
Shader* shader = lovrAlloc(Shader, lovrShaderDestroy);
|
|
|
|
if (!shader) return NULL;
|
|
|
|
|
2018-08-09 02:37:58 +00:00
|
|
|
#ifdef EMSCRIPTEN
|
|
|
|
lovrThrow("Compute shaders are not supported on this system");
|
|
|
|
#else
|
2018-08-09 01:03:46 +00:00
|
|
|
lovrAssert(GLAD_GL_ARB_compute_shader, "Compute shaders are not supported on this system");
|
2018-08-09 01:05:29 +00:00
|
|
|
const char* sources[] = { lovrShaderComputePrefix, source, lovrShaderComputeSuffix };
|
2018-08-07 23:58:14 +00:00
|
|
|
GLuint computeShader = compileShader(GL_COMPUTE_SHADER, sources, sizeof(sources) / sizeof(sources[0]));
|
|
|
|
GLuint program = glCreateProgram();
|
|
|
|
glAttachShader(program, computeShader);
|
|
|
|
linkProgram(program);
|
|
|
|
glDetachShader(program, computeShader);
|
|
|
|
glDeleteShader(computeShader);
|
|
|
|
shader->program = program;
|
|
|
|
shader->type = SHADER_COMPUTE;
|
|
|
|
lovrShaderSetupUniforms(shader);
|
2018-08-09 02:37:58 +00:00
|
|
|
#endif
|
2018-08-07 23:58:14 +00:00
|
|
|
return shader;
|
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
Shader* lovrShaderCreateDefault(DefaultShader type) {
|
|
|
|
switch (type) {
|
2018-08-07 23:34:35 +00:00
|
|
|
case SHADER_DEFAULT: return lovrShaderCreateGraphics(NULL, NULL);
|
|
|
|
case SHADER_CUBE: return lovrShaderCreateGraphics(lovrCubeVertexShader, lovrCubeFragmentShader); break;
|
|
|
|
case SHADER_PANO: return lovrShaderCreateGraphics(lovrCubeVertexShader, lovrPanoFragmentShader); break;
|
|
|
|
case SHADER_FONT: return lovrShaderCreateGraphics(NULL, lovrFontFragmentShader);
|
|
|
|
case SHADER_FILL: return lovrShaderCreateGraphics(lovrFillVertexShader, NULL);
|
2018-07-17 10:35:01 +00:00
|
|
|
default: lovrThrow("Unknown default shader type"); return NULL;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
void lovrShaderDestroy(void* ref) {
|
|
|
|
Shader* shader = ref;
|
|
|
|
glDeleteProgram(shader->program);
|
2018-07-28 22:40:13 +00:00
|
|
|
for (int i = 0; i < shader->uniforms.length; i++) {
|
|
|
|
free(shader->uniforms.data[i].value.data);
|
2018-08-02 10:26:03 +00:00
|
|
|
}
|
2018-08-03 19:28:25 +00:00
|
|
|
for (BlockType type = BLOCK_UNIFORM; type <= BLOCK_STORAGE; type++) {
|
|
|
|
UniformBlock* block; int i;
|
|
|
|
vec_foreach_ptr(&shader->blocks[type], block, i) {
|
|
|
|
lovrRelease(block->source);
|
|
|
|
}
|
2018-08-02 10:26:03 +00:00
|
|
|
}
|
2018-07-28 22:40:13 +00:00
|
|
|
vec_deinit(&shader->uniforms);
|
2018-08-03 00:17:26 +00:00
|
|
|
vec_deinit(&shader->blocks[BLOCK_UNIFORM]);
|
|
|
|
vec_deinit(&shader->blocks[BLOCK_STORAGE]);
|
2018-07-17 10:35:01 +00:00
|
|
|
map_deinit(&shader->attributes);
|
2018-07-28 22:40:13 +00:00
|
|
|
map_deinit(&shader->uniformMap);
|
|
|
|
map_deinit(&shader->blockMap);
|
2018-07-17 10:35:01 +00:00
|
|
|
free(shader);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-08-07 23:58:14 +00:00
|
|
|
ShaderType lovrShaderGetType(Shader* shader) {
|
|
|
|
return shader->type;
|
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
void lovrShaderBind(Shader* shader) {
|
2018-08-12 04:17:22 +00:00
|
|
|
UniformBlock* block;
|
2018-07-28 22:40:13 +00:00
|
|
|
Uniform* uniform;
|
2018-08-12 04:17:22 +00:00
|
|
|
int i;
|
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
lovrGpuUseProgram(shader->program);
|
|
|
|
|
2018-08-12 04:17:22 +00:00
|
|
|
// Figure out if we need to wait for pending writes on resources to complete
|
2018-08-31 13:03:35 +00:00
|
|
|
#ifndef EMSCRIPTEN
|
2018-08-12 04:17:22 +00:00
|
|
|
uint8_t flags = 0;
|
|
|
|
vec_foreach_ptr(&shader->blocks[BLOCK_STORAGE], block, i) {
|
|
|
|
if (block->source && (block->source->incoherent >> BARRIER_BLOCK) & 1) {
|
|
|
|
flags |= 1 << BARRIER_BLOCK;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
vec_foreach_ptr(&shader->uniforms, uniform, i) {
|
2018-08-18 02:52:34 +00:00
|
|
|
if (uniform->type == UNIFORM_SAMPLER) {
|
2018-08-12 04:17:22 +00:00
|
|
|
for (int i = 0; i < uniform->count; i++) {
|
|
|
|
Texture* texture = uniform->value.textures[i];
|
2018-08-18 02:52:34 +00:00
|
|
|
if (texture && texture->incoherent && (texture->incoherent >> BARRIER_UNIFORM_TEXTURE) & 1) {
|
|
|
|
flags |= 1 << BARRIER_UNIFORM_TEXTURE;
|
|
|
|
if (flags & (1 << BARRIER_UNIFORM_IMAGE)) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else if (uniform->type == UNIFORM_IMAGE) {
|
|
|
|
for (int i = 0; i < uniform->count; i++) {
|
|
|
|
Texture* texture = uniform->value.images[i].texture;
|
|
|
|
if (texture && texture->incoherent && (texture->incoherent >> BARRIER_UNIFORM_IMAGE) & 1) {
|
|
|
|
flags |= 1 << BARRIER_UNIFORM_IMAGE;
|
|
|
|
if (flags & (1 << BARRIER_UNIFORM_TEXTURE)) {
|
|
|
|
break;
|
|
|
|
}
|
2018-08-12 04:17:22 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
lovrGpuSync(flags);
|
|
|
|
#endif
|
2018-08-12 04:17:22 +00:00
|
|
|
|
|
|
|
// Bind uniforms
|
2018-07-28 22:40:13 +00:00
|
|
|
vec_foreach_ptr(&shader->uniforms, uniform, i) {
|
2018-08-18 02:52:34 +00:00
|
|
|
if (uniform->type != UNIFORM_SAMPLER && uniform->type != UNIFORM_IMAGE && !uniform->dirty) {
|
2018-07-17 10:35:01 +00:00
|
|
|
continue;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
uniform->dirty = false;
|
|
|
|
int count = uniform->count;
|
|
|
|
void* data = uniform->value.data;
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
switch (uniform->type) {
|
|
|
|
case UNIFORM_FLOAT:
|
|
|
|
switch (uniform->components) {
|
|
|
|
case 1: glUniform1fv(uniform->location, count, data); break;
|
|
|
|
case 2: glUniform2fv(uniform->location, count, data); break;
|
|
|
|
case 3: glUniform3fv(uniform->location, count, data); break;
|
|
|
|
case 4: glUniform4fv(uniform->location, count, data); break;
|
|
|
|
}
|
|
|
|
break;
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
case UNIFORM_INT:
|
|
|
|
switch (uniform->components) {
|
|
|
|
case 1: glUniform1iv(uniform->location, count, data); break;
|
|
|
|
case 2: glUniform2iv(uniform->location, count, data); break;
|
|
|
|
case 3: glUniform3iv(uniform->location, count, data); break;
|
|
|
|
case 4: glUniform4iv(uniform->location, count, data); break;
|
|
|
|
}
|
|
|
|
break;
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
case UNIFORM_MATRIX:
|
|
|
|
switch (uniform->components) {
|
|
|
|
case 2: glUniformMatrix2fv(uniform->location, count, GL_FALSE, data); break;
|
|
|
|
case 3: glUniformMatrix3fv(uniform->location, count, GL_FALSE, data); break;
|
|
|
|
case 4: glUniformMatrix4fv(uniform->location, count, GL_FALSE, data); break;
|
|
|
|
}
|
|
|
|
break;
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-18 02:52:34 +00:00
|
|
|
case UNIFORM_IMAGE:
|
2018-09-01 01:10:51 +00:00
|
|
|
#ifndef EMSCRIPTEN
|
2018-07-17 10:35:01 +00:00
|
|
|
for (int i = 0; i < count; i++) {
|
2018-08-18 02:52:34 +00:00
|
|
|
Image* image = &uniform->value.images[i];
|
|
|
|
Texture* texture = image->texture;
|
|
|
|
lovrAssert(!texture || texture->type == uniform->textureType, "Uniform texture type mismatch for uniform %s", uniform->name);
|
|
|
|
|
|
|
|
// If the Shader can write to the texture, mark it as incoherent
|
|
|
|
if (texture && image->access != ACCESS_READ) {
|
2018-09-03 05:20:32 +00:00
|
|
|
for (Barrier barrier = BARRIER_BLOCK + 1; barrier < MAX_BARRIERS; barrier++) {
|
|
|
|
texture->incoherent |= 1 << barrier;
|
|
|
|
vec_push(&state.incoherents[barrier], texture);
|
|
|
|
}
|
2018-08-18 02:52:34 +00:00
|
|
|
}
|
2018-08-17 22:09:13 +00:00
|
|
|
|
2018-08-18 02:52:34 +00:00
|
|
|
lovrGpuBindImage(image, uniform->baseSlot + i);
|
|
|
|
}
|
2018-08-31 13:03:35 +00:00
|
|
|
#endif
|
2018-09-01 01:10:51 +00:00
|
|
|
break;
|
2018-08-12 04:17:22 +00:00
|
|
|
|
2018-08-18 02:52:34 +00:00
|
|
|
case UNIFORM_SAMPLER:
|
|
|
|
for (int i = 0; i < count; i++) {
|
|
|
|
Texture* texture = uniform->value.textures[i];
|
|
|
|
lovrAssert(!texture || texture->type == uniform->textureType, "Uniform texture type mismatch for uniform %s", uniform->name);
|
|
|
|
lovrGpuBindTexture(texture, uniform->baseSlot + i);
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-07-23 02:33:55 +00:00
|
|
|
|
2018-08-10 02:03:21 +00:00
|
|
|
// Bind uniform blocks
|
2018-08-03 18:34:11 +00:00
|
|
|
for (BlockType type = BLOCK_UNIFORM; type <= BLOCK_STORAGE; type++) {
|
|
|
|
vec_foreach_ptr(&shader->blocks[type], block, i) {
|
|
|
|
if (block->source) {
|
2018-08-17 22:09:13 +00:00
|
|
|
|
|
|
|
// If the Shader can write to the block, mark it as incoherent
|
2018-08-17 22:01:11 +00:00
|
|
|
bool writable = type == BLOCK_STORAGE && block->access != ACCESS_READ;
|
|
|
|
block->source->incoherent |= writable ? (1 << BARRIER_BLOCK) : 0;
|
2018-09-03 05:20:32 +00:00
|
|
|
vec_push(&state.incoherents[BARRIER_BLOCK], block->source);
|
2018-08-03 18:34:11 +00:00
|
|
|
lovrShaderBlockUnmap(block->source);
|
2018-08-18 02:52:34 +00:00
|
|
|
lovrGpuBindBlockBuffer(type, block->source->buffer, block->slot);
|
2018-08-03 18:34:11 +00:00
|
|
|
} else {
|
2018-08-18 02:52:34 +00:00
|
|
|
lovrGpuBindBlockBuffer(type, 0, block->slot);
|
2018-08-03 18:34:11 +00:00
|
|
|
}
|
2018-08-03 00:17:26 +00:00
|
|
|
}
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
int lovrShaderGetAttributeId(Shader* shader, const char* name) {
|
|
|
|
int* id = map_get(&shader->attributes, name);
|
|
|
|
return id ? *id : -1;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
bool lovrShaderHasUniform(Shader* shader, const char* name) {
|
2018-07-28 22:40:13 +00:00
|
|
|
return map_get(&shader->uniformMap, name) != NULL;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-08-01 01:23:04 +00:00
|
|
|
const Uniform* lovrShaderGetUniform(Shader* shader, const char* name) {
|
2018-07-28 22:40:13 +00:00
|
|
|
int* index = map_get(&shader->uniformMap, name);
|
|
|
|
if (!index) {
|
2018-07-17 10:35:01 +00:00
|
|
|
return false;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-08-01 01:23:04 +00:00
|
|
|
return &shader->uniforms.data[*index];
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-08-18 02:52:34 +00:00
|
|
|
static void lovrShaderSetUniform(Shader* shader, const char* name, UniformType type, void* data, int start, int count, int size, const char* debug) {
|
2018-07-28 22:40:13 +00:00
|
|
|
int* index = map_get(&shader->uniformMap, name);
|
|
|
|
if (!index) {
|
2018-07-17 06:51:11 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2018-07-28 22:40:13 +00:00
|
|
|
Uniform* uniform = &shader->uniforms.data[*index];
|
2018-07-17 10:35:01 +00:00
|
|
|
const char* plural = (uniform->size / size) > 1 ? "s" : "";
|
2018-07-28 22:40:13 +00:00
|
|
|
lovrAssert(uniform->type == type, "Unable to send %ss to uniform %s", debug, name);
|
2018-08-18 02:52:34 +00:00
|
|
|
lovrAssert((start + count) * size <= uniform->size, "Too many %s%s for uniform %s, maximum is %d", debug, plural, name, uniform->size / size);
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-18 02:52:34 +00:00
|
|
|
void* dest = uniform->value.bytes + start * size;
|
|
|
|
if (!uniform->dirty && !memcmp(dest, data, count * size)) {
|
2018-07-17 10:35:01 +00:00
|
|
|
return;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-08-18 02:52:34 +00:00
|
|
|
memcpy(dest, data, count * size);
|
2018-07-17 10:35:01 +00:00
|
|
|
uniform->dirty = true;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-08-18 02:52:34 +00:00
|
|
|
void lovrShaderSetFloats(Shader* shader, const char* name, float* data, int start, int count) {
|
|
|
|
lovrShaderSetUniform(shader, name, UNIFORM_FLOAT, data, start, count, sizeof(float), "float");
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-08-18 02:52:34 +00:00
|
|
|
void lovrShaderSetInts(Shader* shader, const char* name, int* data, int start, int count) {
|
|
|
|
lovrShaderSetUniform(shader, name, UNIFORM_INT, data, start, count, sizeof(int), "int");
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-08-18 02:52:34 +00:00
|
|
|
void lovrShaderSetMatrices(Shader* shader, const char* name, float* data, int start, int count) {
|
|
|
|
lovrShaderSetUniform(shader, name, UNIFORM_MATRIX, data, start, count, sizeof(float), "float");
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-08-18 02:52:34 +00:00
|
|
|
void lovrShaderSetTextures(Shader* shader, const char* name, Texture** data, int start, int count) {
|
|
|
|
lovrShaderSetUniform(shader, name, UNIFORM_SAMPLER, data, start, count, sizeof(Texture*), "texture");
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-18 02:52:34 +00:00
|
|
|
void lovrShaderSetImages(Shader* shader, const char* name, Image* data, int start, int count) {
|
|
|
|
lovrShaderSetUniform(shader, name, UNIFORM_IMAGE, data, start, count, sizeof(Image), "image");
|
2018-07-28 22:46:46 +00:00
|
|
|
}
|
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
void lovrShaderSetColor(Shader* shader, const char* name, Color color) {
|
|
|
|
gammaCorrectColor(&color);
|
|
|
|
lovrShaderSetUniform(shader, name, UNIFORM_FLOAT, (float*) &color, 0, 4, sizeof(float), "float");
|
|
|
|
}
|
|
|
|
|
2018-08-17 22:09:13 +00:00
|
|
|
void lovrShaderSetBlock(Shader* shader, const char* name, ShaderBlock* source, UniformAccess access) {
|
2018-08-03 00:17:26 +00:00
|
|
|
int* id = map_get(&shader->blockMap, name);
|
2018-08-04 02:21:15 +00:00
|
|
|
lovrAssert(id, "No shader block named '%s'", name);
|
2018-07-28 22:46:46 +00:00
|
|
|
|
2018-08-03 00:17:26 +00:00
|
|
|
int type = *id & 1;
|
|
|
|
int index = *id >> 1;
|
|
|
|
UniformBlock* block = &shader->blocks[type].data[index];
|
2018-08-17 22:09:13 +00:00
|
|
|
block->access = access;
|
2018-08-01 06:16:26 +00:00
|
|
|
|
2018-08-03 19:28:25 +00:00
|
|
|
if (source != block->source) {
|
|
|
|
if (source) {
|
|
|
|
lovrAssert(block->uniforms.length == source->uniforms.length, "ShaderBlock must have same number of uniforms as block definition in Shader");
|
|
|
|
for (int i = 0; i < block->uniforms.length; i++) {
|
|
|
|
const Uniform* u = &block->uniforms.data[i];
|
|
|
|
const Uniform* v = &source->uniforms.data[i];
|
2018-08-03 20:19:28 +00:00
|
|
|
lovrAssert(u->type == v->type, "Shader is not compatible with ShaderBlock, check type of variable '%s'", v->name);
|
2018-08-06 17:34:12 +00:00
|
|
|
lovrAssert(u->offset == v->offset, "Shader is not compatible with ShaderBlock, check order of variable '%s'", v->name);
|
2018-08-17 22:09:13 +00:00
|
|
|
|
|
|
|
// This check is disabled due to observed driver bugs with std140 layouts
|
|
|
|
// lovrAssert(u->size == v->size, "Shader is not compatible with ShaderBlock, check count of variable '%s'", v->name);
|
2018-08-03 19:28:25 +00:00
|
|
|
}
|
2018-08-01 06:16:26 +00:00
|
|
|
}
|
|
|
|
|
2018-08-03 19:28:25 +00:00
|
|
|
lovrRetain(source);
|
|
|
|
lovrRelease(block->source);
|
|
|
|
block->source = source;
|
|
|
|
}
|
2018-07-28 22:46:46 +00:00
|
|
|
}
|
|
|
|
|
2018-07-20 23:56:28 +00:00
|
|
|
// ShaderBlock
|
|
|
|
|
2018-08-03 18:34:11 +00:00
|
|
|
ShaderBlock* lovrShaderBlockCreate(vec_uniform_t* uniforms, BlockType type, BufferUsage usage) {
|
2018-07-28 22:46:09 +00:00
|
|
|
ShaderBlock* block = lovrAlloc(ShaderBlock, lovrShaderBlockDestroy);
|
2018-07-20 23:56:28 +00:00
|
|
|
if (!block) return NULL;
|
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
lovrAssert(type != BLOCK_STORAGE || state.features.computeShaders, "Writable ShaderBlocks are not supported on this system");
|
2018-08-03 19:30:01 +00:00
|
|
|
|
2018-07-28 22:40:13 +00:00
|
|
|
vec_init(&block->uniforms);
|
|
|
|
vec_extend(&block->uniforms, uniforms);
|
2018-08-01 01:23:04 +00:00
|
|
|
map_init(&block->uniformMap);
|
2018-07-20 23:56:28 +00:00
|
|
|
|
2018-07-28 22:40:13 +00:00
|
|
|
int i;
|
|
|
|
Uniform* uniform;
|
|
|
|
size_t size = 0;
|
|
|
|
vec_foreach_ptr(&block->uniforms, uniform, i) {
|
2018-08-01 01:23:04 +00:00
|
|
|
|
|
|
|
// Calculate size and offset
|
2018-08-07 20:26:28 +00:00
|
|
|
size_t align;
|
|
|
|
if (uniform->count > 1 || uniform->type == UNIFORM_MATRIX) {
|
|
|
|
align = 16 * (uniform->type == UNIFORM_MATRIX ? uniform->components : 1);
|
|
|
|
uniform->size = align * uniform->count;
|
2018-07-20 23:56:28 +00:00
|
|
|
} else {
|
2018-08-07 20:26:28 +00:00
|
|
|
align = (uniform->components + (uniform->components == 3)) * 4;
|
|
|
|
uniform->size = uniform->components * 4;
|
2018-07-20 23:56:28 +00:00
|
|
|
}
|
2018-08-07 20:26:28 +00:00
|
|
|
uniform->offset = (size + (align - 1)) & -align;
|
|
|
|
size = uniform->offset + uniform->size;
|
2018-08-01 01:23:04 +00:00
|
|
|
|
|
|
|
// Write index to uniform lookup
|
|
|
|
map_set(&block->uniformMap, uniform->name, i);
|
2018-07-20 23:56:28 +00:00
|
|
|
}
|
|
|
|
|
2018-08-06 15:51:06 +00:00
|
|
|
#ifdef EMSCRIPTEN
|
|
|
|
block->target = GL_UNIFORM_BUFFER;
|
|
|
|
#else
|
2018-08-03 18:34:11 +00:00
|
|
|
block->target = block->type == BLOCK_UNIFORM ? GL_UNIFORM_BUFFER : GL_SHADER_STORAGE_BUFFER;
|
2018-08-06 15:51:06 +00:00
|
|
|
#endif
|
2018-08-03 18:34:11 +00:00
|
|
|
block->type = type;
|
2018-08-06 16:12:59 +00:00
|
|
|
block->usage = convertBufferUsage(usage);
|
2018-08-01 01:23:04 +00:00
|
|
|
block->size = size;
|
|
|
|
block->data = calloc(1, size);
|
|
|
|
|
2018-08-03 18:34:11 +00:00
|
|
|
glGenBuffers(1, &block->buffer);
|
2018-08-29 02:10:23 +00:00
|
|
|
glBindBuffer(block->target, block->buffer);
|
2018-08-03 18:34:11 +00:00
|
|
|
glBufferData(block->target, size, NULL, usage);
|
|
|
|
|
2018-07-20 23:56:28 +00:00
|
|
|
return block;
|
|
|
|
}
|
|
|
|
|
|
|
|
void lovrShaderBlockDestroy(void* ref) {
|
2018-08-01 01:23:04 +00:00
|
|
|
ShaderBlock* block = ref;
|
2018-08-31 13:03:35 +00:00
|
|
|
lovrGpuDestroySyncResource(block, block->incoherent);
|
2018-08-02 06:42:37 +00:00
|
|
|
glDeleteBuffers(1, &block->buffer);
|
2018-07-28 22:40:13 +00:00
|
|
|
vec_deinit(&block->uniforms);
|
2018-08-01 01:23:04 +00:00
|
|
|
map_deinit(&block->uniformMap);
|
|
|
|
free(block->data);
|
2018-07-28 22:40:13 +00:00
|
|
|
free(block);
|
2018-07-20 23:56:28 +00:00
|
|
|
}
|
|
|
|
|
2018-08-01 01:23:04 +00:00
|
|
|
size_t lovrShaderBlockGetSize(ShaderBlock* block) {
|
|
|
|
return block->size;
|
|
|
|
}
|
2018-08-06 17:41:57 +00:00
|
|
|
|
|
|
|
BlockType lovrShaderBlockGetType(ShaderBlock* block) {
|
|
|
|
return block->type;
|
|
|
|
}
|
2018-08-06 18:46:42 +00:00
|
|
|
|
|
|
|
char* lovrShaderBlockGetShaderCode(ShaderBlock* block, const char* blockName, size_t* length) {
|
|
|
|
|
|
|
|
// Calculate
|
|
|
|
size_t size = 0;
|
|
|
|
size_t tab = 2;
|
2018-08-07 20:26:28 +00:00
|
|
|
size += 15; // "layout(std140) "
|
2018-08-06 18:46:42 +00:00
|
|
|
size += block->type == BLOCK_UNIFORM ? 7 : 6; // "uniform" || "buffer"
|
|
|
|
size += 1; // " "
|
|
|
|
size += strlen(blockName);
|
|
|
|
size += 3; // " {\n"
|
|
|
|
for (int i = 0; i < block->uniforms.length; i++) {
|
|
|
|
size += tab;
|
|
|
|
size += getUniformTypeLength(&block->uniforms.data[i]);
|
|
|
|
size += 1; // " "
|
|
|
|
size += strlen(block->uniforms.data[i].name);
|
|
|
|
size += 2; // ";\n"
|
|
|
|
}
|
|
|
|
size += 3; // "};\n"
|
|
|
|
|
|
|
|
// Allocate
|
|
|
|
char* code = malloc(size + 1);
|
|
|
|
|
|
|
|
// Concatenate
|
|
|
|
char* s = code;
|
2018-08-07 20:26:28 +00:00
|
|
|
s += sprintf(s, "layout(std140) %s %s {\n", block->type == BLOCK_UNIFORM ? "uniform" : "buffer", blockName);
|
2018-08-06 18:46:42 +00:00
|
|
|
for (int i = 0; i < block->uniforms.length; i++) {
|
|
|
|
const Uniform* uniform = &block->uniforms.data[i];
|
|
|
|
if (uniform->count > 1) {
|
|
|
|
s += sprintf(s, " %s %s[%d];\n", getUniformTypeName(uniform), uniform->name, uniform->count);
|
|
|
|
} else {
|
|
|
|
s += sprintf(s, " %s %s;\n", getUniformTypeName(uniform), uniform->name);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
s += sprintf(s, "};\n");
|
|
|
|
*s = '\0';
|
|
|
|
|
|
|
|
*length = size;
|
|
|
|
return code;
|
|
|
|
}
|
2018-08-01 01:23:04 +00:00
|
|
|
|
|
|
|
const Uniform* lovrShaderBlockGetUniform(ShaderBlock* block, const char* name) {
|
|
|
|
int* index = map_get(&block->uniformMap, name);
|
|
|
|
if (!index) return NULL;
|
|
|
|
|
|
|
|
return &block->uniforms.data[*index];
|
|
|
|
}
|
|
|
|
|
|
|
|
void* lovrShaderBlockMap(ShaderBlock* block) {
|
|
|
|
block->mapped = true;
|
|
|
|
return block->data;
|
|
|
|
}
|
|
|
|
|
|
|
|
void lovrShaderBlockUnmap(ShaderBlock* block) {
|
|
|
|
if (!block->mapped) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2018-08-29 02:10:23 +00:00
|
|
|
glBindBuffer(block->target, block->buffer);
|
2018-08-03 18:34:11 +00:00
|
|
|
glBufferData(block->target, block->size, NULL, block->usage);
|
|
|
|
glBufferSubData(block->target, 0, block->size, block->data);
|
2018-08-01 01:23:04 +00:00
|
|
|
block->mapped = false;
|
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
// Mesh
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-02 04:05:30 +00:00
|
|
|
Mesh* lovrMeshCreate(uint32_t count, VertexFormat format, MeshDrawMode drawMode, BufferUsage usage) {
|
2018-07-25 02:14:29 +00:00
|
|
|
Mesh* mesh = lovrAlloc(Mesh, lovrMeshDestroy);
|
2018-07-17 10:35:01 +00:00
|
|
|
if (!mesh) return NULL;
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
mesh->count = count;
|
|
|
|
mesh->format = format;
|
|
|
|
mesh->drawMode = drawMode;
|
2018-08-02 04:05:30 +00:00
|
|
|
mesh->usage = convertBufferUsage(usage);
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
glGenBuffers(1, &mesh->vbo);
|
|
|
|
glGenBuffers(1, &mesh->ibo);
|
|
|
|
lovrGpuBindVertexBuffer(mesh->vbo);
|
|
|
|
glBufferData(GL_ARRAY_BUFFER, count * format.stride, NULL, mesh->usage);
|
|
|
|
glGenVertexArrays(1, &mesh->vao);
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
map_init(&mesh->attachments);
|
|
|
|
for (int i = 0; i < format.count; i++) {
|
|
|
|
map_set(&mesh->attachments, format.attributes[i].name, ((MeshAttachment) { mesh, i, 0, true }));
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
mesh->data.raw = calloc(count, format.stride);
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
return mesh;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
void lovrMeshDestroy(void* ref) {
|
|
|
|
Mesh* mesh = ref;
|
|
|
|
lovrRelease(mesh->material);
|
|
|
|
free(mesh->data.raw);
|
|
|
|
free(mesh->indices.raw);
|
|
|
|
glDeleteBuffers(1, &mesh->vbo);
|
|
|
|
glDeleteBuffers(1, &mesh->ibo);
|
|
|
|
glDeleteVertexArrays(1, &mesh->vao);
|
|
|
|
const char* key;
|
|
|
|
map_iter_t iter = map_iter(&mesh->attachments);
|
|
|
|
while ((key = map_next(&mesh->attachments, &iter)) != NULL) {
|
|
|
|
MeshAttachment* attachment = map_get(&mesh->attachments, key);
|
|
|
|
if (attachment->mesh != mesh) {
|
|
|
|
lovrRelease(attachment->mesh);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
}
|
2018-07-17 10:35:01 +00:00
|
|
|
map_deinit(&mesh->attachments);
|
|
|
|
free(mesh);
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
void lovrMeshAttachAttribute(Mesh* mesh, Mesh* other, const char* name, int divisor) {
|
|
|
|
MeshAttachment* otherAttachment = map_get(&other->attachments, name);
|
|
|
|
lovrAssert(!mesh->isAttachment, "Attempted to attach to a mesh which is an attachment itself");
|
|
|
|
lovrAssert(otherAttachment, "No attribute named '%s' exists", name);
|
|
|
|
lovrAssert(!map_get(&mesh->attachments, name), "Mesh already has an attribute named '%s'", name);
|
|
|
|
lovrAssert(divisor >= 0, "Divisor can't be negative");
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
MeshAttachment attachment = { other, otherAttachment->attributeIndex, divisor, true };
|
|
|
|
map_set(&mesh->attachments, name, attachment);
|
|
|
|
other->isAttachment = true;
|
|
|
|
lovrRetain(other);
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
void lovrMeshDetachAttribute(Mesh* mesh, const char* name) {
|
|
|
|
MeshAttachment* attachment = map_get(&mesh->attachments, name);
|
|
|
|
lovrAssert(attachment, "No attached attribute '%s' was found", name);
|
|
|
|
lovrAssert(attachment->mesh != mesh, "Attribute '%s' was not attached from another Mesh", name);
|
|
|
|
lovrRelease(attachment->mesh);
|
|
|
|
map_remove(&mesh->attachments, name);
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-31 09:41:50 +00:00
|
|
|
void lovrMeshBind(Mesh* mesh, Shader* shader, int divisorMultiplier) {
|
2018-07-17 10:35:01 +00:00
|
|
|
const char* key;
|
|
|
|
map_iter_t iter = map_iter(&mesh->attachments);
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
MeshAttachment layout[MAX_ATTACHMENTS];
|
|
|
|
memset(layout, 0, MAX_ATTACHMENTS * sizeof(MeshAttachment));
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
lovrGpuBindVertexArray(mesh->vao);
|
|
|
|
lovrMeshUnmapVertices(mesh);
|
|
|
|
lovrMeshUnmapIndices(mesh);
|
|
|
|
if (mesh->indexCount > 0) {
|
|
|
|
lovrGpuBindIndexBuffer(mesh->ibo);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
while ((key = map_next(&mesh->attachments, &iter)) != NULL) {
|
|
|
|
int location = lovrShaderGetAttributeId(shader, key);
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
if (location >= 0) {
|
|
|
|
MeshAttachment* attachment = map_get(&mesh->attachments, key);
|
|
|
|
layout[location] = *attachment;
|
|
|
|
lovrMeshUnmapVertices(attachment->mesh);
|
|
|
|
lovrMeshUnmapIndices(attachment->mesh);
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
for (int i = 0; i < MAX_ATTACHMENTS; i++) {
|
|
|
|
MeshAttachment previous = mesh->layout[i];
|
|
|
|
MeshAttachment current = layout[i];
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
if (!memcmp(&previous, ¤t, sizeof(MeshAttachment))) {
|
|
|
|
continue;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
if (previous.enabled != current.enabled) {
|
|
|
|
if (current.enabled) {
|
|
|
|
glEnableVertexAttribArray(i);
|
|
|
|
} else {
|
|
|
|
glDisableVertexAttribArray(i);
|
|
|
|
mesh->layout[i] = current;
|
|
|
|
continue;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-07-17 10:35:01 +00:00
|
|
|
|
|
|
|
if (previous.divisor != current.divisor) {
|
2018-08-31 09:41:50 +00:00
|
|
|
glVertexAttribDivisor(i, current.divisor * divisorMultiplier);
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
if (previous.mesh != current.mesh || previous.attributeIndex != current.attributeIndex) {
|
|
|
|
lovrGpuBindVertexBuffer(current.mesh->vbo);
|
|
|
|
VertexFormat* format = ¤t.mesh->format;
|
|
|
|
Attribute attribute = format->attributes[current.attributeIndex];
|
|
|
|
switch (attribute.type) {
|
|
|
|
case ATTR_FLOAT:
|
|
|
|
glVertexAttribPointer(i, attribute.count, GL_FLOAT, GL_TRUE, format->stride, (void*) attribute.offset);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ATTR_BYTE:
|
|
|
|
glVertexAttribPointer(i, attribute.count, GL_UNSIGNED_BYTE, GL_TRUE, format->stride, (void*) attribute.offset);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ATTR_INT:
|
2018-09-05 10:25:13 +00:00
|
|
|
glVertexAttribIPointer(i, attribute.count, GL_INT, format->stride, (void*) attribute.offset);
|
2018-07-17 10:35:01 +00:00
|
|
|
break;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-07-17 10:35:01 +00:00
|
|
|
|
|
|
|
mesh->layout[i] = current;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-07-17 10:35:01 +00:00
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-08-31 13:03:35 +00:00
|
|
|
void lovrMeshDraw(Mesh* mesh, int instances) {
|
|
|
|
GLenum glDrawMode = convertMeshDrawMode(lovrMeshGetDrawMode(mesh));
|
|
|
|
|
|
|
|
if (mesh->indexCount > 0) {
|
|
|
|
size_t count = mesh->rangeCount ? mesh->rangeCount : mesh->indexCount;
|
|
|
|
GLenum indexType = mesh->indexSize == sizeof(uint16_t) ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT;
|
|
|
|
size_t offset = mesh->rangeStart * mesh->indexSize;
|
|
|
|
if (instances > 1) {
|
|
|
|
glDrawElementsInstanced(glDrawMode, count, indexType, (GLvoid*) offset, instances);
|
|
|
|
} else {
|
|
|
|
glDrawElements(glDrawMode, count, indexType, (GLvoid*) offset);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
size_t count = mesh->rangeCount ? mesh->rangeCount : lovrMeshGetVertexCount(mesh);
|
|
|
|
if (instances > 1) {
|
|
|
|
glDrawArraysInstanced(glDrawMode, mesh->rangeStart, count, instances);
|
|
|
|
} else {
|
|
|
|
glDrawArrays(glDrawMode, mesh->rangeStart, count);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
state.stats.drawCalls++;
|
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
VertexFormat* lovrMeshGetVertexFormat(Mesh* mesh) {
|
|
|
|
return &mesh->format;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
MeshDrawMode lovrMeshGetDrawMode(Mesh* mesh) {
|
|
|
|
return mesh->drawMode;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
void lovrMeshSetDrawMode(Mesh* mesh, MeshDrawMode drawMode) {
|
|
|
|
mesh->drawMode = drawMode;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
int lovrMeshGetVertexCount(Mesh* mesh) {
|
|
|
|
return mesh->count;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
bool lovrMeshIsAttributeEnabled(Mesh* mesh, const char* name) {
|
|
|
|
MeshAttachment* attachment = map_get(&mesh->attachments, name);
|
|
|
|
lovrAssert(attachment, "Mesh does not have an attribute named '%s'", name);
|
|
|
|
return attachment->enabled;
|
|
|
|
}
|
|
|
|
|
|
|
|
void lovrMeshSetAttributeEnabled(Mesh* mesh, const char* name, bool enable) {
|
|
|
|
MeshAttachment* attachment = map_get(&mesh->attachments, name);
|
|
|
|
lovrAssert(attachment, "Mesh does not have an attribute named '%s'", name);
|
|
|
|
attachment->enabled = enable;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
void lovrMeshGetDrawRange(Mesh* mesh, uint32_t* start, uint32_t* count) {
|
|
|
|
*start = mesh->rangeStart;
|
|
|
|
*count = mesh->rangeCount;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
void lovrMeshSetDrawRange(Mesh* mesh, uint32_t start, uint32_t count) {
|
|
|
|
uint32_t limit = mesh->indexCount > 0 ? mesh->indexCount : mesh->count;
|
|
|
|
lovrAssert(start + count <= limit, "Invalid mesh draw range [%d, %d]", start + 1, start + count + 1);
|
|
|
|
mesh->rangeStart = start;
|
|
|
|
mesh->rangeCount = count;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
Material* lovrMeshGetMaterial(Mesh* mesh) {
|
|
|
|
return mesh->material;
|
|
|
|
}
|
|
|
|
|
|
|
|
void lovrMeshSetMaterial(Mesh* mesh, Material* material) {
|
|
|
|
if (mesh->material != material) {
|
|
|
|
lovrRetain(material);
|
|
|
|
lovrRelease(mesh->material);
|
|
|
|
mesh->material = material;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
float* lovrMeshGetPose(Mesh* mesh) {
|
|
|
|
return mesh->pose;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
void lovrMeshSetPose(Mesh* mesh, float* pose) {
|
|
|
|
mesh->pose = pose;
|
|
|
|
}
|
2018-07-17 06:51:11 +00:00
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
VertexPointer lovrMeshMapVertices(Mesh* mesh, uint32_t start, uint32_t count, bool read, bool write) {
|
|
|
|
if (write) {
|
|
|
|
mesh->dirtyStart = MIN(mesh->dirtyStart, start);
|
|
|
|
mesh->dirtyEnd = MAX(mesh->dirtyEnd, start + count);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
return (VertexPointer) { .bytes = mesh->data.bytes + start * mesh->format.stride };
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
void lovrMeshUnmapVertices(Mesh* mesh) {
|
|
|
|
if (mesh->dirtyEnd == 0) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
size_t stride = mesh->format.stride;
|
|
|
|
lovrGpuBindVertexBuffer(mesh->vbo);
|
2018-08-02 04:05:30 +00:00
|
|
|
if (mesh->usage == USAGE_STREAM) {
|
2018-07-17 10:35:01 +00:00
|
|
|
glBufferData(GL_ARRAY_BUFFER, mesh->count * stride, mesh->data.bytes, mesh->usage);
|
|
|
|
} else {
|
|
|
|
size_t offset = mesh->dirtyStart * stride;
|
|
|
|
size_t count = (mesh->dirtyEnd - mesh->dirtyStart) * stride;
|
|
|
|
glBufferSubData(GL_ARRAY_BUFFER, offset, count, mesh->data.bytes + offset);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-07-17 10:35:01 +00:00
|
|
|
|
|
|
|
mesh->dirtyStart = INT_MAX;
|
|
|
|
mesh->dirtyEnd = 0;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
IndexPointer lovrMeshReadIndices(Mesh* mesh, uint32_t* count, size_t* size) {
|
|
|
|
*size = mesh->indexSize;
|
|
|
|
*count = mesh->indexCount;
|
|
|
|
|
|
|
|
if (mesh->indexCount == 0) {
|
|
|
|
return (IndexPointer) { .raw = NULL };
|
|
|
|
} else if (mesh->mappedIndices) {
|
|
|
|
lovrMeshUnmapIndices(mesh);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-07-17 10:35:01 +00:00
|
|
|
|
|
|
|
return mesh->indices;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
IndexPointer lovrMeshWriteIndices(Mesh* mesh, uint32_t count, size_t size) {
|
|
|
|
if (mesh->mappedIndices) {
|
|
|
|
lovrMeshUnmapIndices(mesh);
|
|
|
|
}
|
|
|
|
|
|
|
|
mesh->indexSize = size;
|
|
|
|
mesh->indexCount = count;
|
|
|
|
|
|
|
|
if (count == 0) {
|
|
|
|
return (IndexPointer) { .raw = NULL };
|
|
|
|
}
|
|
|
|
|
|
|
|
lovrGpuBindVertexArray(mesh->vao);
|
|
|
|
lovrGpuBindIndexBuffer(mesh->ibo);
|
|
|
|
mesh->mappedIndices = true;
|
|
|
|
|
|
|
|
if (mesh->indexCapacity < size * count) {
|
|
|
|
mesh->indexCapacity = nextPo2(size * count);
|
|
|
|
mesh->indices.raw = realloc(mesh->indices.raw, mesh->indexCapacity);
|
|
|
|
glBufferData(GL_ELEMENT_ARRAY_BUFFER, mesh->indexCapacity, NULL, mesh->usage);
|
|
|
|
}
|
|
|
|
|
|
|
|
return mesh->indices;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
void lovrMeshUnmapIndices(Mesh* mesh) {
|
|
|
|
if (!mesh->mappedIndices) {
|
|
|
|
return;
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
2018-07-17 10:35:01 +00:00
|
|
|
|
|
|
|
mesh->mappedIndices = false;
|
|
|
|
lovrGpuBindIndexBuffer(mesh->ibo);
|
|
|
|
glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, mesh->indexCount * mesh->indexSize, mesh->indices.raw);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:35:01 +00:00
|
|
|
void lovrMeshResize(Mesh* mesh, uint32_t count) {
|
|
|
|
if (mesh->count < count) {
|
|
|
|
mesh->count = nextPo2(count);
|
|
|
|
lovrGpuBindVertexBuffer(mesh->vbo);
|
|
|
|
mesh->data.raw = realloc(mesh->data.raw, count * mesh->format.stride);
|
|
|
|
glBufferData(GL_ARRAY_BUFFER, count * mesh->format.stride, mesh->data.raw, mesh->usage);
|
2018-07-17 06:51:11 +00:00
|
|
|
}
|
|
|
|
}
|