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more fixes. take in account when depth textures are used and alpha test fails :)( i really forgot that).

This commit is contained in:
rodolfoosvaldobogado 2012-04-03 15:08:58 -03:00
parent 4fafbd0700
commit 5650b3b5f6
2 changed files with 17 additions and 13 deletions
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2
Source/Core/Common/Src/LinearDiskCache.h
View File

@ -24,7 +24,7 @@
// Increment this every time you change shader generation code.
enum
{
LINEAR_DISKCACHE_VER = 6978
LINEAR_DISKCACHE_VER = 6979
};
// On disk format:

28
Source/Core/VideoCommon/Src/PixelShaderGen.cpp
View File

@ -769,11 +769,6 @@ const char *GeneratePixelShaderCode(PSGRENDER_MODE PSGRenderMode, API_TYPE ApiTy
// emulation of unsigned 8 overflow when casting
WRITE(p, "prev = frac(4.0f + prev * (255.0f/256.0f)) * (256.0f/255.0f);\n");
if(Pretest == ALPHAPT_UNDEFINED)
{
WriteAlphaTest(p, ApiType, PSGRenderMode);
}
if (MustWriteToDepth)
{
// use the texture input of the last texture stage (textemp), hopefully this has been read and is in correct format...
@ -790,7 +785,7 @@ const char *GeneratePixelShaderCode(PSGRENDER_MODE PSGRenderMode, API_TYPE ApiTy
WRITE(p, "zCoord = zCoord * (16777216.0f/16777215.0f);\n");
}
WRITE(p, "depth = zCoord;\n");
}
}
if (PSGRenderMode == PSGRENDER_DSTALPHA_ALPHA_PASS)
WRITE(p, " ocol0 = float4(prev.rgb, "I_ALPHA"[0].a);\n");
@ -809,6 +804,21 @@ const char *GeneratePixelShaderCode(PSGRENDER_MODE PSGRenderMode, API_TYPE ApiTy
// ...and the alpha from ocol0 will be written to the framebuffer.
WRITE(p, " ocol0.a = "I_ALPHA"[0].a;\n");
}
// Alpha test could fail here if depth texture is enabled
if (Pretest == ALPHAPT_ALWAYSFAIL)
{
if(!FastZcomploc)
{
WRITE(p, "discard;\n");
if(ApiType != API_D3D11)
WRITE(p, "return;\n");
}
}
else if(Pretest == ALPHAPT_UNDEFINED)
{
WriteAlphaTest(p, ApiType, PSGRenderMode);
}
WRITE(p, "}\n");
if (text[sizeof(text) - 1] != 0x7C)
@ -1205,12 +1215,6 @@ static void WriteAlphaTest(char *&p, API_TYPE ApiType,PSGRENDER_MODE PSGRenderMo
WRITE(p, tevAlphaFuncsTable[compindex],alphaRef[1]);//lookup the second component from the alpha function table
WRITE(p, ")) {\n");
WRITE(p, "ocol0 = 0;\n");
if (PSGRenderMode == PSGRENDER_DSTALPHA_DUAL_SOURCE_BLEND)
WRITE(p, "ocol1 = 0;\n");
if (MustWriteToDepth)
WRITE(p, "depth = zCoord;\n");
// HAXX: zcomploc is a way to control whether depth test is done before
// or after texturing and alpha test. PC GPU does depth test before texturing ONLY if depth value is
// not updated during shader execution.