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PixelShaderGen: prev should be initialized to the proper value; tev output needs to be clamped between -1024 and 1023.

This commit is contained in:
Tony Wasserka 2013-08-14 18:54:43 +02:00
parent cb1514e082
commit e7a42d884f
1 changed files with 9 additions and 10 deletions
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19
Source/Core/VideoCommon/PixelShaderGen.cpp
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@ -382,7 +382,7 @@ static inline void GeneratePixelShader(T& out, DSTALPHA_MODE dstAlphaMode, API_T
out.Write(" ) {\n");
}
out.Write(" int4 ic0 = int4(round(" I_COLORS"[1] * 255.0)), ic1 = int4(round(" I_COLORS"[2] * 255.0)), ic2 = int4(round(" I_COLORS"[3] * 255.0)), iprev = int4(0, 0, 0, 0);\n"
out.Write(" int4 ic0 = int4(round(" I_COLORS"[1] * 255.0)), ic1 = int4(round(" I_COLORS"[2] * 255.0)), ic2 = int4(round(" I_COLORS"[3] * 255.0)), iprev = int4(round(" I_COLORS"[0] * 255.0));\n"
" int4 irastemp = int4(0, 0, 0, 0), itextemp = int4(0, 0, 0, 0), ikonsttemp = int4(0, 0, 0, 0);\n"
" int3 comp16 = int3(1, 256, 0), comp24 = int3(1, 256, 256*256);\n"
" int alphabump=0;\n"
@ -846,10 +846,7 @@ static inline void WriteStage(T& out, pixel_shader_uid_data& uid_data, int n, AP
out.SetConstantsUsed(C_COLORS+ac.dest, C_COLORS+ac.dest);
out.Write("// color combine\n");
if (cc.clamp)
out.Write("%s = clamp(", tevCOutputTable[cc.dest]);
else
out.Write("%s = ", tevCOutputTable[cc.dest]);
out.Write("%s = clamp(", tevCOutputTable[cc.dest]);
// combine the color channel
if (cc.bias != TevBias_COMPARE) // if not compare
@ -879,13 +876,12 @@ static inline void WriteStage(T& out, pixel_shader_uid_data& uid_data, int n, AP
}
if (cc.clamp)
out.Write(", int3(0,0,0), int3(255,255,255))");
else
out.Write(", int3(-1024,-1024,-1024), int3(1023,1023,1023))");
out.Write(";\n");
out.Write("// alpha combine\n");
if (ac.clamp)
out.Write("%s = clamp(", tevAOutputTable[ac.dest]);
else
out.Write("%s = ", tevAOutputTable[ac.dest]);
out.Write("\t// alpha combine\n");
out.Write("\t%s = clamp(", tevAOutputTable[ac.dest]);
if (ac.bias != TevBias_COMPARE) // if not compare
{
@ -916,6 +912,9 @@ static inline void WriteStage(T& out, pixel_shader_uid_data& uid_data, int n, AP
}
if (ac.clamp)
out.Write(", 0, 255)");
else
out.Write(", -1024, 1023)");
out.Write(";\n\n");
out.Write("// TEV done\n");
}