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Avoid repeatedly asserting in SWG plugin when matrix indices don't match. Small change to the transform unit to avoid some unnecessary work. Check if Q is zero before dividing UV coordinates by it. Fixes issue 3454.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6504 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
donkopunchstania
2010-12-01 04:26:21 +00:00
parent 0718e1bd77
commit 1f660de7e5
4 changed files with 56 additions and 23 deletions
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7
Source/Core/VideoCommon/Src/PixelShaderGen.cpp
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@ -730,7 +730,12 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType
{
// optional perspective divides
if (xfregs.texcoords[i].texmtxinfo.projection == XF_TEXPROJ_STQ)
WRITE(p, "uv%d.xy = uv%d.xy/uv%d.z;\n", i, i, i);
{
WRITE(p, "if (uv%d.z)", i);
WRITE(p, " uv%d.xy = uv%d.xy / uv%d.z;\n", i, i, i);
WRITE(p, "else");
WRITE(p, " uv%d.xy = float2(0.0f, 0.0f);\n", i);
}
WRITE(p, "uv%d.xy = uv%d.xy * "I_TEXDIMS"[%d].zw;\n", i, i, i);
}