mirror of https://github.com/bjornbytes/lovr.git
244 lines
7.4 KiB
C
244 lines
7.4 KiB
C
#include "graphics/font.h"
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#include "data/modelData.h"
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#include "core/maf.h"
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#include <stdbool.h>
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#include <stdint.h>
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#pragma once
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struct Buffer;
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struct Canvas;
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struct Font;
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struct Material;
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struct Mesh;
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struct Shader;
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struct Texture;
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typedef void (*StencilCallback)(void* userdata);
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typedef enum {
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ARC_MODE_PIE,
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ARC_MODE_OPEN,
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ARC_MODE_CLOSED
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} ArcMode;
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typedef enum {
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BLEND_ALPHA,
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BLEND_ADD,
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BLEND_SUBTRACT,
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BLEND_MULTIPLY,
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BLEND_LIGHTEN,
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BLEND_DARKEN,
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BLEND_SCREEN,
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BLEND_NONE
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} BlendMode;
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typedef enum {
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BLEND_ALPHA_MULTIPLY,
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BLEND_PREMULTIPLIED
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} BlendAlphaMode;
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typedef enum {
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COMPARE_EQUAL,
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COMPARE_NEQUAL,
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COMPARE_LESS,
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COMPARE_LEQUAL,
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COMPARE_GREATER,
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COMPARE_GEQUAL,
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COMPARE_NONE
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} CompareMode;
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typedef enum {
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STYLE_FILL,
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STYLE_LINE
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} DrawStyle;
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typedef enum {
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STENCIL_REPLACE,
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STENCIL_INCREMENT,
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STENCIL_DECREMENT,
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STENCIL_INCREMENT_WRAP,
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STENCIL_DECREMENT_WRAP,
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STENCIL_INVERT
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} StencilAction;
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typedef enum {
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WINDING_CLOCKWISE,
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WINDING_COUNTERCLOCKWISE
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} Winding;
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typedef struct {
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float lineWidth;
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unsigned alphaSampling : 1;
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unsigned blendMode : 3; // BlendMode
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unsigned blendAlphaMode : 1; // BlendAlphaMode
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unsigned colorMask : 4;
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unsigned culling : 1;
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unsigned depthTest : 3; // CompareMode
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unsigned depthWrite : 1;
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unsigned stencilValue: 8;
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unsigned stencilMode : 3; // CompareMode
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unsigned winding : 1; // Winding
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unsigned wireframe : 1;
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} Pipeline;
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typedef struct {
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uint32_t width;
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uint32_t height;
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bool fullscreen;
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bool resizable;
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bool debug;
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int vsync;
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int msaa;
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const char* title;
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struct {
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void* data;
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uint32_t width;
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uint32_t height;
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} icon;
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} WindowFlags;
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// Base
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bool lovrGraphicsInit(bool debug);
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void lovrGraphicsDestroy(void);
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void lovrGraphicsPresent(void);
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void lovrGraphicsCreateWindow(WindowFlags* flags);
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int lovrGraphicsGetWidth(void);
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int lovrGraphicsGetHeight(void);
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float lovrGraphicsGetPixelDensity(void);
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void lovrGraphicsSetBackbuffer(struct Canvas* canvas, bool stereo, bool clear);
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void lovrGraphicsGetViewMatrix(uint32_t index, float* viewMatrix);
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void lovrGraphicsSetViewMatrix(uint32_t index, float* viewMatrix);
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void lovrGraphicsGetProjection(uint32_t index, float* projection);
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void lovrGraphicsSetProjection(uint32_t index, float* projection);
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struct Buffer* lovrGraphicsGetIdentityBuffer(void);
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#define lovrGraphicsTick lovrGpuTick
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#define lovrGraphicsTock lovrGpuTock
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#define lovrGraphicsGetFeatures lovrGpuGetFeatures
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#define lovrGraphicsGetLimits lovrGpuGetLimits
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#define lovrGraphicsGetStats lovrGpuGetStats
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// State
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void lovrGraphicsReset(void);
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bool lovrGraphicsGetAlphaSampling(void);
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void lovrGraphicsSetAlphaSampling(bool sample);
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Color lovrGraphicsGetBackgroundColor(void);
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void lovrGraphicsSetBackgroundColor(Color color);
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void lovrGraphicsGetBlendMode(BlendMode* mode, BlendAlphaMode* alphaMode);
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void lovrGraphicsSetBlendMode(BlendMode mode, BlendAlphaMode alphaMode);
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struct Canvas* lovrGraphicsGetCanvas(void);
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void lovrGraphicsSetCanvas(struct Canvas* canvas);
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Color lovrGraphicsGetColor(void);
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void lovrGraphicsSetColor(Color color);
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void lovrGraphicsGetColorMask(bool* r, bool* g, bool* b, bool* a);
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void lovrGraphicsSetColorMask(bool r, bool g, bool b, bool a);
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bool lovrGraphicsIsCullingEnabled(void);
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void lovrGraphicsSetCullingEnabled(bool culling);
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TextureFilter lovrGraphicsGetDefaultFilter(void);
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void lovrGraphicsSetDefaultFilter(TextureFilter filter);
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void lovrGraphicsGetDepthTest(CompareMode* mode, bool* write);
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void lovrGraphicsSetDepthTest(CompareMode depthTest, bool write);
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struct Font* lovrGraphicsGetFont(void);
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void lovrGraphicsSetFont(struct Font* font);
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float lovrGraphicsGetLineWidth(void);
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void lovrGraphicsSetLineWidth(float width);
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float lovrGraphicsGetPointSize(void);
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void lovrGraphicsSetPointSize(float size);
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struct Shader* lovrGraphicsGetShader(void);
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void lovrGraphicsSetShader(struct Shader* shader);
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void lovrGraphicsGetStencilTest(CompareMode* mode, int* value);
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void lovrGraphicsSetStencilTest(CompareMode mode, int value);
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Winding lovrGraphicsGetWinding(void);
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void lovrGraphicsSetWinding(Winding winding);
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bool lovrGraphicsIsWireframe(void);
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void lovrGraphicsSetWireframe(bool wireframe);
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// Transforms
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void lovrGraphicsPush(void);
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void lovrGraphicsPop(void);
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void lovrGraphicsOrigin(void);
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void lovrGraphicsTranslate(vec3 translation);
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void lovrGraphicsRotate(quat rotation);
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void lovrGraphicsScale(vec3 scale);
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void lovrGraphicsMatrixTransform(mat4 transform);
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// Rendering
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void lovrGraphicsFlush(void);
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void lovrGraphicsFlushCanvas(struct Canvas* canvas);
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void lovrGraphicsFlushShader(struct Shader* shader);
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void lovrGraphicsFlushMaterial(struct Material* material);
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void lovrGraphicsFlushMesh(struct Mesh* mesh);
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void lovrGraphicsClear(Color* color, float* depth, int* stencil);
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void lovrGraphicsDiscard(bool color, bool depth, bool stencil);
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void lovrGraphicsPoints(uint32_t count, float** vertices);
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void lovrGraphicsLine(uint32_t count, float** vertices);
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void lovrGraphicsPlane(DrawStyle style, struct Material* material, mat4 transform, float u, float v, float w, float h);
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void lovrGraphicsBox(DrawStyle style, struct Material* material, mat4 transform);
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void lovrGraphicsArc(DrawStyle style, ArcMode mode, struct Material* material, mat4 transform, float r1, float r2, int segments);
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void lovrGraphicsCircle(DrawStyle style, struct Material* material, mat4 transform, int segments);
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void lovrGraphicsCylinder(struct Material* material, mat4 transform, float r1, float r2, bool capped, int segments);
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void lovrGraphicsSphere(struct Material* material, mat4 transform, int segments);
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void lovrGraphicsSkybox(struct Texture* texture);
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void lovrGraphicsPrint(const char* str, size_t length, mat4 transform, float wrap, HorizontalAlign halign, VerticalAlign valign);
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void lovrGraphicsFill(struct Texture* texture, float u, float v, float w, float h);
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void lovrGraphicsDrawMesh(struct Mesh* mesh, mat4 transform, uint32_t instances, float* pose);
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#define lovrGraphicsStencil lovrGpuStencil
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#define lovrGraphicsCompute lovrGpuCompute
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// GPU
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typedef struct {
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bool astc;
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bool compute;
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bool dxt;
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bool instancedStereo;
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bool multiview;
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bool timers;
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} GpuFeatures;
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typedef struct {
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float pointSizes[2];
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int textureSize;
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int textureMSAA;
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float textureAnisotropy;
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int blockSize;
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int blockAlign;
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int compute[3];
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} GpuLimits;
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typedef struct {
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uint32_t shaderSwitches;
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uint32_t renderPasses;
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uint32_t drawCalls;
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uint32_t bufferCount;
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uint32_t textureCount;
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uint64_t bufferMemory;
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uint64_t textureMemory;
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} GpuStats;
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typedef struct {
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struct Mesh* mesh;
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struct Canvas* canvas;
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struct Shader* shader;
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Pipeline pipeline;
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DrawMode topology;
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uint32_t rangeStart;
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uint32_t rangeCount;
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uint32_t instances;
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} DrawCommand;
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void lovrGpuInit(void (*getProcAddress(const char*))(void), bool debug);
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void lovrGpuDestroy(void);
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void lovrGpuClear(struct Canvas* canvas, Color* color, float* depth, int* stencil);
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void lovrGpuCompute(struct Shader* shader, int x, int y, int z);
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void lovrGpuDiscard(struct Canvas* canvas, bool color, bool depth, bool stencil);
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void lovrGpuDraw(DrawCommand* draw);
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void lovrGpuStencil(StencilAction action, int replaceValue, StencilCallback callback, void* userdata);
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void lovrGpuPresent(void);
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void lovrGpuDirtyTexture(void);
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void lovrGpuTick(const char* label);
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double lovrGpuTock(const char* label);
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const GpuFeatures* lovrGpuGetFeatures(void);
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const GpuLimits* lovrGpuGetLimits(void);
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const GpuStats* lovrGpuGetStats(void);
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