buffer.h

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// Software Rendering Pipeline (SRP) library
// Licensed under GNU GPLv3
 
#pragma once
 
#include "srp/framebuffer.h"
#include "srp/shaders.h"
 
typedef enum SRPPrimitive
{
    SRP_PRIM_POINTS,          
    SRP_PRIM_LINES,           
    SRP_PRIM_LINE_STRIP,      
    SRP_PRIM_LINE_LOOP,       
    SRP_PRIM_TRIANGLES,       
    SRP_PRIM_TRIANGLE_STRIP,  
    SRP_PRIM_TRIANGLE_FAN     
} SRPPrimitive;
 
typedef struct SRPVertexBuffer SRPVertexBuffer;
 
typedef struct SRPIndexBuffer SRPIndexBuffer;
 
SRPVertexBuffer* srpNewVertexBuffer();
 
void srpFreeVertexBuffer(SRPVertexBuffer* this);
 
void srpVertexBufferCopyData
    (SRPVertexBuffer* this, size_t nBytesPerVertex, size_t nBytesData, const void* data);
 
void srpDrawVertexBuffer(
    const SRPVertexBuffer* this, const SRPFramebuffer* fb, const SRPShaderProgram* sp,
    SRPPrimitive primitive, size_t startIndex, size_t count
);
 
SRPIndexBuffer* srpNewIndexBuffer();
 
void srpIndexBufferCopyData
    (SRPIndexBuffer* this, SRPType indicesType, size_t nBytesData, const void* data);
 
void srpFreeIndexBuffer(SRPIndexBuffer* this);
 
void srpDrawIndexBuffer(
    const SRPIndexBuffer* this, const SRPVertexBuffer* vb, const SRPFramebuffer* fb,
    const SRPShaderProgram* sp, SRPPrimitive primitive, size_t startIndex, size_t count
);