lovr/src/graphics/mesh.h

#include "graphics/material.h"
#include "graphics/shader.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 {
  MESH_POINTS,
  MESH_LINES,
  MESH_LINE_STRIP,
  MESH_LINE_LOOP,
  MESH_TRIANGLE_STRIP,
  MESH_TRIANGLES,
  MESH_TRIANGLE_FAN
} MeshDrawMode;

typedef struct Mesh Mesh;

Mesh* lovrMeshCreate(uint32_t count, VertexFormat format, MeshDrawMode drawMode, BufferUsage usage, bool readable);
void lovrMeshDestroy(void* ref);
void lovrMeshAttachAttribute(Mesh* mesh, const char* name, MeshAttribute* attribute);
void lovrMeshDetachAttribute(Mesh* mesh, const char* name);
MeshAttribute* lovrMeshGetAttribute(Mesh* mesh, const char* name);
void lovrMeshBind(Mesh* mesh, Shader* shader, int divisorMultiplier);
bool lovrMeshIsDirty(Mesh* mesh);
void lovrMeshDraw(Mesh* mesh, int instances);
VertexFormat* lovrMeshGetVertexFormat(Mesh* mesh);
bool lovrMeshIsReadable(Mesh* mesh);
MeshDrawMode lovrMeshGetDrawMode(Mesh* mesh);
void lovrMeshSetDrawMode(Mesh* mesh, MeshDrawMode drawMode);
int lovrMeshGetVertexCount(Mesh* mesh);
bool lovrMeshIsAttributeEnabled(Mesh* mesh, const char* name);
void lovrMeshSetAttributeEnabled(Mesh* mesh, const char* name, bool enabled);
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);
void* lovrMeshMapVertices(Mesh* mesh, size_t offset);
void lovrMeshFlushVertices(Mesh* mesh, size_t offset, size_t size);
void* lovrMeshMapIndices(Mesh* mesh, uint32_t count, size_t indexSize, size_t offset);
void lovrMeshFlushIndices(Mesh* mesh);
void* lovrMeshReadIndices(Mesh* mesh, uint32_t* count, size_t* indexSize);