mirrors/dolphin
0
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-06-02 00:12:45 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Merge pull request #6743 from stenzek/faster-disabled-copy-filter

Browse source 
TextureConversionShader: Don't sample from adjacent rows when not needed
This commit is contained in:
Markus Wick 2018-05-17 10:45:50 +02:00 • committed by GitHub
commit c485efdfe1
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
8 changed files with 74 additions and 35 deletions
Download patch file Download diff file Expand all files Collapse all files

34
Source/Core/VideoCommon/TextureConversionShader.cpp
View file

@ -180,21 +180,33 @@ static void WriteSampleFunction(char*& p, const EFBCopyParams& params, APIType A
// The filter is only applied to the RGB channels, the alpha channel is left intact.
WRITE(p, "float4 SampleEFB(float2 uv, float2 pixel_size, int xoffset)\n");
WRITE(p, "{\n");
WRITE(p, " float4 prev_row = ");
WriteSampleOp(-1);
WRITE(p, ";\n");
WRITE(p, " float4 current_row = ");
WriteSampleOp(0);
WRITE(p, ";\n");
WRITE(p, " float4 next_row = ");
WriteSampleOp(1);
WRITE(p, ";\n");
WRITE(p,
if (params.copy_filter)
{
WRITE(p, " float4 prev_row = ");
WriteSampleOp(-1);
WRITE(p, ";\n");
WRITE(p, " float4 current_row = ");
WriteSampleOp(0);
WRITE(p, ";\n");
WRITE(p, " float4 next_row = ");
WriteSampleOp(1);
WRITE(p, ";\n");
WRITE(
p,
" float3 col = float3(clamp((int3(prev_row.rgb * 255.0) * filter_coefficients[0] +\n"
" int3(current_row.rgb * 255.0) * filter_coefficients[1] +\n"
" int3(next_row.rgb * 255.0) * filter_coefficients[2]) >> 6,\n"
" int3(0, 0, 0), int3(255, 255, 255))) / 255.0;\n");
WRITE(p, " return float4(col, current_row.a);\n");
WRITE(p, " return float4(col, current_row.a);\n");
}
else
{
WRITE(p, " float4 current_row = ");
WriteSampleOp(0);
WRITE(p, ";\n");
WRITE(p, " return float4(clamp(int3(current_row.rgb * 255.0) * filter_coefficients[1], "
"int3(0, 0, 0), int3(255, 255, 255)), current_row.a);\n");
}
WRITE(p, "}\n");
}