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PixelShaderGen: Fix a small early-ztest related bug.

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This commit is contained in:
NeoBrainX
2013-06-29 23:14:08 +02:00
parent 99301bd158
commit eb153cfded
1 changed files with 4 additions and 6 deletions
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10
Source/Core/VideoCommon/Src/PixelShaderGen.cpp
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@ -592,6 +592,8 @@ static void GeneratePixelShader(T& out, DSTALPHA_MODE dstAlphaMode, API_TYPE Api
if (per_pixel_depth && bpmem.zcontrol.early_ztest) if (per_pixel_depth && bpmem.zcontrol.early_ztest)
out.Write("depth = zCoord;\n"); out.Write("depth = zCoord;\n");
// Note: depth texture output is only written to depth buffer if late depth test is used
// theoretical final depth value is used for fog calculation, though, so we have to emulate ztextures anyway
if (bpmem.ztex2.op != ZTEXTURE_DISABLE && !skip_ztexture) if (bpmem.ztex2.op != ZTEXTURE_DISABLE && !skip_ztexture)
{ {
// use the texture input of the last texture stage (textemp), hopefully this has been read and is in correct format... // use the texture input of the last texture stage (textemp), hopefully this has been read and is in correct format...
@ -603,13 +605,9 @@ static void GeneratePixelShader(T& out, DSTALPHA_MODE dstAlphaMode, API_TYPE Api
out.Write("zCoord = zCoord * (16777215.0f/16777216.0f);\n"); out.Write("zCoord = zCoord * (16777215.0f/16777216.0f);\n");
out.Write("zCoord = frac(zCoord);\n"); out.Write("zCoord = frac(zCoord);\n");
out.Write("zCoord = zCoord * (16777216.0f/16777215.0f);\n"); out.Write("zCoord = zCoord * (16777216.0f/16777215.0f);\n");
// Note: depth texture output is only written to depth buffer if late depth test is used
// final depth value is used for fog calculation, though
if (per_pixel_depth)
out.Write("depth = zCoord;\n");
} }
else if (per_pixel_depth && !bpmem.zcontrol.early_ztest)
if (per_pixel_depth && !bpmem.zcontrol.early_ztest)
out.Write("depth = zCoord;\n"); out.Write("depth = zCoord;\n");
if (dstAlphaMode == DSTALPHA_ALPHA_PASS) if (dstAlphaMode == DSTALPHA_ALPHA_PASS)