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Support textures filtering

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raysan5
2016-10-29 22:17:19 +02:00
parent 43fd9ffe08
commit 988d39029f
4 changed files with 178 additions and 48 deletions
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88
src/textures.c
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@ -442,18 +442,94 @@ void UnloadRenderTexture(RenderTexture2D target)
if (target.id != 0) rlDeleteRenderTextures(target);
}
// Set texture scale filter
// Set texture scaling filter mode
void SetTextureFilter(Texture2D texture, int filterMode)
{
rlTextureParameters(texture.id, RL_TEXTURE_MIN_FILTER, filterMode);
rlTextureParameters(texture.id, RL_TEXTURE_MAG_FILTER, filterMode);
switch (filterMode)
{
case FILTER_POINT:
{
if (texture.mipmaps > 1)
{
// RL_FILTER_MIP_NEAREST - tex filter: POINT, mipmaps filter: POINT (sharp switching between mipmaps)
rlTextureParameters(texture.id, RL_TEXTURE_MIN_FILTER, RL_FILTER_MIP_NEAREST);
// RL_FILTER_NEAREST - tex filter: POINT (no filter), no mipmaps
rlTextureParameters(texture.id, RL_TEXTURE_MAG_FILTER, RL_FILTER_NEAREST);
}
else
{
// RL_FILTER_NEAREST - tex filter: POINT (no filter), no mipmaps
rlTextureParameters(texture.id, RL_TEXTURE_MIN_FILTER, RL_FILTER_NEAREST);
rlTextureParameters(texture.id, RL_TEXTURE_MAG_FILTER, RL_FILTER_NEAREST);
}
} break;
case FILTER_BILINEAR:
{
if (texture.mipmaps > 1)
{
// RL_FILTER_LINEAR_MIP_NEAREST - tex filter: BILINEAR, mipmaps filter: POINT (sharp switching between mipmaps)
// Alternative: RL_FILTER_NEAREST_MIP_LINEAR - tex filter: POINT, mipmaps filter: BILINEAR (smooth transition between mipmaps)
rlTextureParameters(texture.id, RL_TEXTURE_MIN_FILTER, RL_FILTER_LINEAR_MIP_NEAREST);
// RL_FILTER_LINEAR - tex filter: BILINEAR, no mipmaps
rlTextureParameters(texture.id, RL_TEXTURE_MAG_FILTER, RL_FILTER_LINEAR);
}
else
{
// RL_FILTER_LINEAR - tex filter: BILINEAR, no mipmaps
rlTextureParameters(texture.id, RL_TEXTURE_MIN_FILTER, RL_FILTER_LINEAR);
rlTextureParameters(texture.id, RL_TEXTURE_MAG_FILTER, RL_FILTER_LINEAR);
}
} break;
case FILTER_TRILINEAR:
{
if (texture.mipmaps > 1)
{
// RL_FILTER_MIP_LINEAR - tex filter: BILINEAR, mipmaps filter: BILINEAR (smooth transition between mipmaps)
rlTextureParameters(texture.id, RL_TEXTURE_MIN_FILTER, RL_FILTER_MIP_LINEAR);
// RL_FILTER_LINEAR - tex filter: BILINEAR, no mipmaps
rlTextureParameters(texture.id, RL_TEXTURE_MAG_FILTER, RL_FILTER_LINEAR);
}
else
{
TraceLog(WARNING, "[TEX ID %i] No mipmaps available for TRILINEAR texture filtering", texture.id);
// RL_FILTER_LINEAR - tex filter: BILINEAR, no mipmaps
rlTextureParameters(texture.id, RL_TEXTURE_MIN_FILTER, RL_FILTER_LINEAR);
rlTextureParameters(texture.id, RL_TEXTURE_MAG_FILTER, RL_FILTER_LINEAR);
}
} break;
case FILTER_ANISOTROPIC_4X: rlTextureParameters(texture.id, RL_TEXTURE_ANISOTROPIC_FILTER, 4); break;
case FILTER_ANISOTROPIC_8X: rlTextureParameters(texture.id, RL_TEXTURE_ANISOTROPIC_FILTER, 8); break;
case FILTER_ANISOTROPIC_16X: rlTextureParameters(texture.id, RL_TEXTURE_ANISOTROPIC_FILTER, 16); break;
default: break;
}
}
// Set texture wrap mode
// Set texture wrapping mode
void SetTextureWrap(Texture2D texture, int wrapMode)
{
rlTextureParameters(texture.id, RL_TEXTURE_WRAP_S, wrapMode);
rlTextureParameters(texture.id, RL_TEXTURE_WRAP_T, wrapMode);
switch (wrapMode)
{
case WRAP_REPEAT:
{
rlTextureParameters(texture.id, RL_TEXTURE_WRAP_S, RL_WRAP_REPEAT);
rlTextureParameters(texture.id, RL_TEXTURE_WRAP_T, RL_WRAP_REPEAT);
} break;
case WRAP_CLAMP:
{
rlTextureParameters(texture.id, RL_TEXTURE_WRAP_S, RL_WRAP_CLAMP);
rlTextureParameters(texture.id, RL_TEXTURE_WRAP_T, RL_WRAP_CLAMP);
} break;
case WRAP_MIRROR:
{
rlTextureParameters(texture.id, RL_TEXTURE_WRAP_S, RL_WRAP_CLAMP_MIRROR);
rlTextureParameters(texture.id, RL_TEXTURE_WRAP_T, RL_WRAP_CLAMP_MIRROR);
} break;
default: break;
}
}
// Get pixel data from image in the form of Color struct array