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swiftshader
Commit 2ed3149a by Nicolas Capens
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Disable filtering on 1x1 textures.

Textures with just one texel don't require filtering. This also avoids precision issues for pedantic tests which expect exact values. Bug swiftshader:39 Change-Id: I52c5697e277523e2b8cb2c879ba0a7b2296ee7c5 Reviewed-on: https://swiftshader-review.googlesource.com/9068Reviewed-by: 's avatarAlexis Hétu <sugoi@google.com> Reviewed-by: 's avatarNicolas Capens <capn@google.com> Tested-by: 's avatarNicolas Capens <capn@google.com>
parent 22be88e5
Showing with 9 additions and 0 deletions
src/Renderer/Sampler.cpp
...@@ -406,6 +406,15 @@ namespace sw ...@@ -406,6 +406,15 @@ namespace sw
FilterType Sampler::getTextureFilter() const FilterType Sampler::getTextureFilter() const
{ {
// Don't filter 1x1 textures.
if(texture.mipmap[0].width[0] == 1 && texture.mipmap[0].height[0] == 1 && texture.mipmap[0].depth[0] == 1)
{
if(mipmapFilter() == MIPMAP_NONE)
{
return FILTER_POINT;
}
}
FilterType filter = textureFilter; FilterType filter = textureFilter;
if(gather && Surface::componentCount(internalTextureFormat) == 1) if(gather && Surface::componentCount(internalTextureFormat) == 1)
......
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