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#extension GL_ARB_texture_multisample : enable
uniform int m_NumSamples;
uniform int m_NumSamplesDepth;
#ifdef RESOLVE_MS
#define COLORTEXTURE sampler2DMS
#else
#define COLORTEXTURE sampler2D
#endif
#ifdef RESOLVE_DEPTH_MS
#define DEPTHTEXTURE sampler2DMS
#else
#define DEPTHTEXTURE sampler2D
#endif
// NOTE: Only define multisample functions if multisample is available and is being used!
#if defined(GL_ARB_texture_multisample) && (defined(RESOLVE_MS) || defined(RESOLVE_DEPTH_MS))
vec4 textureFetch(in sampler2DMS tex,in vec2 texC, in int numSamples){
ivec2 iTexC = ivec2(texC * textureSize(tex));
vec4 color = vec4(0.0);
for (int i = 0; i < numSamples; i++){
color += texelFetch(tex, iTexC, i);
}
return color / numSamples;
}
vec4 fetchTextureSample(in sampler2DMS tex,in vec2 texC,in int sample){
ivec2 iTexC = ivec2(texC * textureSize(tex));
return texelFetch(tex, iTexC, sample);
}
vec4 getColor(in sampler2DMS tex, in vec2 texC){
return textureFetch(tex, texC, m_NumSamples);
}
vec4 getColorSingle(in sampler2DMS tex, in vec2 texC){
ivec2 iTexC = ivec2(texC * textureSize(tex));
return texelFetch(tex, iTexC, 0);
}
vec4 getDepth(in sampler2DMS tex,in vec2 texC){
return textureFetch(tex,texC,m_NumSamplesDepth);
}
#endif
vec4 fetchTextureSample(in sampler2D tex,in vec2 texC,in int sample){
return texture2D(tex,texC);
}
vec4 getColor(in sampler2D tex, in vec2 texC){
return texture2D(tex,texC);
}
vec4 getColorSingle(in sampler2D tex, in vec2 texC){
return texture2D(tex, texC);
}
vec4 getDepth(in sampler2D tex,in vec2 texC){
return texture2D(tex,texC);
}
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