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GPU/ShaderGen: Move transparent compensation to bilinear function

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This commit is contained in:
Connor McLaughlin 2020-08-12 02:27:13 +10:00
parent bb344a4e1e
commit e6156e2adb
1 changed files with 4 additions and 3 deletions
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7
src/core/gpu_hw_shadergen.cpp
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@ -734,6 +734,10 @@ void BilinearSampleFromVRAM(uint4 texpage, float2 coords, float4 uv_limits,
float2 weights = abs(texel_top_left);
texcol = lerp(lerp(s00, s10, weights.x), lerp(s01, s11, weights.x), weights.y);
ialpha = lerp(lerp(a00, a10, weights.x), lerp(a01, a11, weights.x), weights.y);
// Compensate for partially transparent sampling.
if (ialpha > 0.0)
texcol.rgb /= float3(ialpha, ialpha, ialpha);
}
#endif
@ -793,9 +797,6 @@ void BilinearSampleFromVRAM(uint4 texpage, float2 coords, float4 uv_limits,
BilinearSampleFromVRAM(v_texpage, coords, uv_limits, texcol, ialpha);
if (ialpha < 0.5)
discard;
texcol.rgb /= float3(ialpha, ialpha, ialpha);
semitransparent = (texcol.a != 0.0);
#else
#if UV_LIMITS
texcol = SampleFromVRAM(v_texpage, clamp(coords, uv_limits.xy, uv_limits.zw));