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HLSL: add textureGather for all components (#2595)

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pezcode 2021-08-25 02:26:03 +02:00 committed by GitHub
parent 0a85c30bdb
commit f80d31f1f4
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 46 additions and 8 deletions
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54
src/bgfx_shader.sh
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@ -315,17 +315,55 @@ vec2 bgfxTextureSize(BgfxUSampler2D _sampler, int _lod)
return result;
}
vec4 bgfxTextureGather(BgfxSampler2D _sampler, vec2 _coord)
vec4 bgfxTextureGather0(BgfxSampler2D _sampler, vec2 _coord)
{
return _sampler.m_texture.GatherRed(_sampler.m_sampler, _coord );
return _sampler.m_texture.GatherRed(_sampler.m_sampler, _coord);
}
vec4 bgfxTextureGatherOffset(BgfxSampler2D _sampler, vec2 _coord, ivec2 _offset)
vec4 bgfxTextureGather1(BgfxSampler2D _sampler, vec2 _coord)
{
return _sampler.m_texture.GatherRed(_sampler.m_sampler, _coord, _offset );
return _sampler.m_texture.GatherGreen(_sampler.m_sampler, _coord);
}
vec4 bgfxTextureGather(BgfxSampler2DArray _sampler, vec3 _coord)
vec4 bgfxTextureGather2(BgfxSampler2D _sampler, vec2 _coord)
{
return _sampler.m_texture.GatherRed(_sampler.m_sampler, _coord );
return _sampler.m_texture.GatherBlue(_sampler.m_sampler, _coord);
}
vec4 bgfxTextureGather3(BgfxSampler2D _sampler, vec2 _coord)
{
return _sampler.m_texture.GatherAlpha(_sampler.m_sampler, _coord);
}
vec4 bgfxTextureGatherOffset0(BgfxSampler2D _sampler, vec2 _coord, ivec2 _offset)
{
return _sampler.m_texture.GatherRed(_sampler.m_sampler, _coord, _offset);
}
vec4 bgfxTextureGatherOffset1(BgfxSampler2D _sampler, vec2 _coord, ivec2 _offset)
{
return _sampler.m_texture.GatherGreen(_sampler.m_sampler, _coord, _offset);
}
vec4 bgfxTextureGatherOffset2(BgfxSampler2D _sampler, vec2 _coord, ivec2 _offset)
{
return _sampler.m_texture.GatherBlue(_sampler.m_sampler, _coord, _offset);
}
vec4 bgfxTextureGatherOffset3(BgfxSampler2D _sampler, vec2 _coord, ivec2 _offset)
{
return _sampler.m_texture.GatherAlpha(_sampler.m_sampler, _coord, _offset);
}
vec4 bgfxTextureGather0(BgfxSampler2DArray _sampler, vec3 _coord)
{
return _sampler.m_texture.GatherRed(_sampler.m_sampler, _coord);
}
vec4 bgfxTextureGather1(BgfxSampler2DArray _sampler, vec3 _coord)
{
return _sampler.m_texture.GatherGreen(_sampler.m_sampler, _coord);
}
vec4 bgfxTextureGather2(BgfxSampler2DArray _sampler, vec3 _coord)
{
return _sampler.m_texture.GatherBlue(_sampler.m_sampler, _coord);
}
vec4 bgfxTextureGather3(BgfxSampler2DArray _sampler, vec3 _coord)
{
return _sampler.m_texture.GatherAlpha(_sampler.m_sampler, _coord);
}
ivec4 bgfxTexelFetch(BgfxISampler2D _sampler, ivec2 _coord, int _lod)
@ -440,8 +478,8 @@ vec3 bgfxTextureSize(BgfxSampler3D _sampler, int _lod)
# define texelFetch(_sampler, _coord, _lod) bgfxTexelFetch(_sampler, _coord, _lod)
# define texelFetchOffset(_sampler, _coord, _lod, _offset) bgfxTexelFetchOffset(_sampler, _coord, _lod, _offset)
# define textureSize(_sampler, _lod) bgfxTextureSize(_sampler, _lod)
# define textureGather(_sampler, _coord) bgfxTextureGather(_sampler, _coord)
# define textureGatherOffset(_sampler, _coord, _offset) bgfxTextureGatherOffset(_sampler, _coord, _offset)
# define textureGather(_sampler, _coord, _comp) bgfxTextureGather ## _comp(_sampler, _coord)
# define textureGatherOffset(_sampler, _coord, _offset, _comp) bgfxTextureGatherOffset ## _comp(_sampler, _coord, _offset)
# else
# define sampler2DShadow sampler2D