vn/code/opengl_render.h

/* date = May 7th 2023 9:49 am */

#ifndef OPENGL_RENDER_H
#define OPENGL_RENDER_H

#include "opengl_defines.h"
#include "generated/opengl_functions.meta.h"

struct opengl_texture
{
    u32 ID;
    render_texture_format Format;
    v2_s32 Dim;
};

struct quad_program
{
    u32 ID;
    
    u32 PID;
    u32 SourcePID;
    u32 TextureIndexID;
    u32 ColorID;
    u32 ToCenterID;
    u32 HalfSizeID;
    u32 CornerRadiusID;
    u32 EdgeSoftnessID;
    u32 BorderThicknessID;
    
    u32 UniformResolutionLocation;
};

struct instanced_quad_program
{
    u32 ID;
    
    u32 DestID;
    u32 SourceID;
    u32 TextureIndexID;
    u32 ColorID[4];
    u32 CornerRadiusID[4];
    u32 EdgeSoftnessID;
    u32 BorderThicknessID;
    
    u32 UniformResolutionLocation;
};

struct opengl_context
{
#if VN_USE_INSTANCING
    u32 InstancedQuadBuffer;
    instanced_quad_program InstancedQuadProgram;
#else
    u32 VertexBuffer;
    u32 IndexBuffer;
    quad_program QuadProgram;
#endif
};

#endif //OPENGL_RENDER_H