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lovr/src/graphics/mesh.h
2019-02-05 15:57:22 -08:00

74 lines
2.2 KiB
C

#include "graphics/material.h"
#include "graphics/shader.h"
#include "graphics/opengl.h"
#include "data/vertexData.h"
#include "lib/map/map.h"
#include <stdbool.h>
#pragma once
#define MAX_ATTRIBUTES 16
typedef struct {
Buffer* buffer;
size_t offset;
size_t stride;
AttributeType type;
uint8_t components;
uint8_t divisor;
bool integer;
bool enabled;
} MeshAttribute;
typedef map_t(MeshAttribute) map_attribute_t;
typedef enum {
DRAW_POINTS,
DRAW_LINES,
DRAW_LINE_STRIP,
DRAW_LINE_LOOP,
DRAW_TRIANGLE_STRIP,
DRAW_TRIANGLES,
DRAW_TRIANGLE_FAN
} DrawMode;
typedef struct {
Ref ref;
DrawMode mode;
VertexFormat format;
Buffer* vertexBuffer;
Buffer* indexBuffer;
uint32_t vertexCount;
uint32_t indexCount;
size_t indexSize;
uint32_t drawStart;
uint32_t drawCount;
Material* material;
map_attribute_t attributes;
MeshAttribute layout[MAX_ATTRIBUTES];
uint16_t divisors[MAX_ATTRIBUTES];
GPU_MESH_FIELDS
} Mesh;
Mesh* lovrMeshInit(Mesh* mesh, DrawMode mode, VertexFormat format, Buffer* vertexBuffer, uint32_t vertexCount);
#define lovrMeshCreate(...) lovrMeshInit(lovrAlloc(Mesh), __VA_ARGS__)
void lovrMeshDestroy(void* ref);
VertexFormat* lovrMeshGetVertexFormat(Mesh* mesh);
Buffer* lovrMeshGetVertexBuffer(Mesh* mesh);
Buffer* lovrMeshGetIndexBuffer(Mesh* mesh);
void lovrMeshSetIndexBuffer(Mesh* mesh, Buffer* buffer, uint32_t indexCount, size_t indexSize);
uint32_t lovrMeshGetVertexCount(Mesh* mesh);
uint32_t lovrMeshGetIndexCount(Mesh* mesh);
size_t lovrMeshGetIndexSize(Mesh* mesh);
void lovrMeshAttachAttribute(Mesh* mesh, const char* name, MeshAttribute* attribute);
void lovrMeshDetachAttribute(Mesh* mesh, const char* name);
MeshAttribute* lovrMeshGetAttribute(Mesh* mesh, const char* name);
bool lovrMeshIsAttributeEnabled(Mesh* mesh, const char* name);
void lovrMeshSetAttributeEnabled(Mesh* mesh, const char* name, bool enabled);
DrawMode lovrMeshGetDrawMode(Mesh* mesh);
void lovrMeshSetDrawMode(Mesh* mesh, DrawMode mode);
void lovrMeshGetDrawRange(Mesh* mesh, uint32_t* start, uint32_t* count);
void lovrMeshSetDrawRange(Mesh* mesh, uint32_t start, uint32_t count);
Material* lovrMeshGetMaterial(Mesh* mesh);
void lovrMeshSetMaterial(Mesh* mesh, Material* material);