texture.h

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// Software Rendering Pipeline (SRP) library
// Licensed under GNU GPLv3
 
#pragma once
 
#include <stdint.h>
#include <stddef.h>
#include "color.h"
 
typedef enum
{
    TW_REPEAT,
    TW_CLAMP_TO_EDGE
} SRPTextureWrappingMode;
 
typedef enum
{
    TF_NEAREST
} SRPTextureFilteringMode;
 
typedef struct SRPTexture SRPTexture;
 
SRPTexture* srpNewTexture(
    const char* image,
    SRPTextureWrappingMode wrappingModeX, SRPTextureWrappingMode wrappingModeY,
    SRPTextureFilteringMode filteringModeMagnifying,
    SRPTextureFilteringMode filteringModeMinifying
);
void srpFreeTexture(SRPTexture* this);
 
void srpTextureGetFilteredColor(
    const SRPTexture* this, double u, double v, double out[4]
);
 
typedef enum SRPTextureParameter
{
    SRP_TEXTURE_WRAPPING_MODE_X,
    SRP_TEXTURE_WRAPPING_MODE_Y,
    SRP_TEXTURE_FILTERING_MODE_MAGNIFYING,
    SRP_TEXTURE_FILTERING_MODE_MINIFYING,
} SRPTextureParameter;
 
int srpTextureGet(SRPTexture* this, SRPTextureParameter parameter);
void srpTextureSet(SRPTexture* this, SRPTextureParameter parameter, int data);