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PixelShaderGen: Cleanups.

This commit is contained in:
Tony Wasserka 2014-03-24 14:41:56 +01:00
parent 4f82d6f7af
commit eb0f547a17
1 changed files with 90 additions and 76 deletions
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166
Source/Core/VideoCommon/PixelShaderGen.cpp
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@ -112,14 +112,14 @@ static const char *tevCInputTable[] =
static const char *tevAInputTable[] = static const char *tevAInputTable[] =
{ {
"prev", // APREV, "prev.a", // APREV,
"c0", // A0, "c0.a", // A0,
"c1", // A1, "c1.a", // A1,
"c2", // A2, "c2.a", // A2,
"textemp", // TEXA, "textemp.a", // TEXA,
"rastemp", // RASA, "rastemp.a", // RASA,
"konsttemp", // KONST, (hw1 had quarter) "konsttemp.a", // KONST, (hw1 had quarter)
"int4(0,0,0,0)", // ZERO "0", // ZERO
}; };
static const char *tevRasTable[] = static const char *tevRasTable[] =
@ -140,6 +140,7 @@ static const char *tevAOutputTable[] = { "prev.a", "c0.a", "c1.a", "c2.a" };
static char text[16384]; static char text[16384];
template<class T> static inline void WriteStage(T& out, pixel_shader_uid_data& uid_data, int n, API_TYPE ApiType, const char swapModeTable[4][5]); template<class T> static inline void WriteStage(T& out, pixel_shader_uid_data& uid_data, int n, API_TYPE ApiType, const char swapModeTable[4][5]);
template<class T> static inline void WriteTevRegular(T& out, const char* components, int bias, int op, int clamp, int shift);
template<class T> static inline void SampleTexture(T& out, const char *texcoords, const char *texswap, int texmap, API_TYPE ApiType); template<class T> static inline void SampleTexture(T& out, const char *texcoords, const char *texswap, int texmap, API_TYPE ApiType);
template<class T> static inline void WriteAlphaTest(T& out, pixel_shader_uid_data& uid_data, API_TYPE ApiType,DSTALPHA_MODE dstAlphaMode, bool per_pixel_depth); template<class T> static inline void WriteAlphaTest(T& out, pixel_shader_uid_data& uid_data, API_TYPE ApiType,DSTALPHA_MODE dstAlphaMode, bool per_pixel_depth);
template<class T> static inline void WriteFog(T& out, pixel_shader_uid_data& uid_data); template<class T> static inline void WriteFog(T& out, pixel_shader_uid_data& uid_data);
@ -759,6 +760,76 @@ 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.SetConstantsUsed(C_COLORS+ac.dest, C_COLORS+ac.dest);
out.Write("tevin_a = int4(%s, %s)&255;\n", tevCInputTable[cc.a], tevAInputTable[ac.a]);
out.Write("tevin_b = int4(%s, %s)&255;\n", tevCInputTable[cc.b], tevAInputTable[ac.b]);
out.Write("tevin_c = int4(%s, %s)&255;\n", tevCInputTable[cc.c], tevAInputTable[ac.c]);
out.Write("tevin_d = int4(%s, %s);\n", tevCInputTable[cc.d], tevAInputTable[ac.d]);
out.Write("\t// color combine\n");
out.Write("\t%s = clamp(", tevCOutputTable[cc.dest]);
if (cc.bias != TevBias_COMPARE)
{
WriteTevRegular(out, "rgb", cc.bias, cc.op, cc.clamp, cc.shift);
}
else
{
const char *function_table[] =
{
"((tevin_a.r > tevin_b.r) ? tevin_c.rgb : int3(0,0,0))", // TEVCMP_R8_GT
"((tevin_a.r == tevin_b.r) ? tevin_c.rgb : int3(0,0,0))", // TEVCMP_R8_EQ
"((idot(tevin_a.rgb, comp16) > idot(tevin_b.rgb, comp16)) ? tevin_c.rgb : int3(0,0,0))", // TEVCMP_GR16_GT
"((idot(tevin_a.rgb, comp16) == idot(tevin_b.rgb, comp16)) ? tevin_c.rgb : int3(0,0,0))", // TEVCMP_GR16_EQ
"((idot(tevin_a.rgb, comp24) > idot(tevin_b.rgb, comp24)) ? tevin_c.rgb : int3(0,0,0))", // TEVCMP_BGR24_GT
"((idot(tevin_a.rgb, comp24) == idot(tevin_b.rgb, comp24)) ? tevin_c.rgb : int3(0,0,0))", // TEVCMP_BGR24_EQ
"(max(sign(tevin_a.rgb - tevin_b.rgb), int3(0,0,0)) * tevin_c.rgb)", // TEVCMP_RGB8_GT
"((int3(255,255,255) - max(sign(abs(tevin_a.rgb - tevin_b.rgb))), int3(0,0,0))) * tevin_c.rgb)" // TEVCMP_RGB8_EQ
};
int mode = (cc.shift<<1)|cc.op;
out.Write(" tevin_d.rgb + ");
out.Write(function_table[mode]);
}
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("\t// alpha combine\n");
out.Write("\t%s = clamp(", tevAOutputTable[ac.dest]);
if (ac.bias != TevBias_COMPARE)
{
WriteTevRegular(out, "a", ac.bias, ac.op, ac.clamp, ac.shift);
}
else
{
const char *function_table[] =
{
"((tevin_a.r > tevin_b.r) ? tevin_c.a : 0)", // TEVCMP_R8_GT
"((tevin_a.r == tevin_b.r) ? tevin_c.a : 0)", // TEVCMP_R8_EQ
"((idot(tevin_a.rgb, comp16) > idot(tevin_b.rgb, comp16)) ? tevin_c.a : 0)", // TEVCMP_GR16_GT
"((idot(tevin_a.rgb, comp16) == idot(tevin_b.rgb, comp16)) ? tevin_c.a : 0)", // TEVCMP_GR16_EQ
"((idot(tevin_a.rgb, comp24) > idot(tevin_b.rgb, comp24)) ? tevin_c.a : 0)", // TEVCMP_BGR24_GT
"((idot(tevin_a.rgb, comp24) == idot(tevin_b.rgb, comp24)) ? tevin_c.a : 0)", // TEVCMP_BGR24_EQ
"((tevin_a.a > tevin_b.a) ? tevin_c.a : 0)", // TEVCMP_A8_GT
"((tevin_a.a == tevin_b.a) ? tevin_c.a : 0)" // TEVCMP_A8_EQ
};
int mode = (ac.shift<<1)|ac.op;
out.Write(" tevin_d.a + ");
out.Write(function_table[mode]);
}
if (ac.clamp)
out.Write(", 0, 255)");
else
out.Write(", -1024, 1023)");
out.Write(";\n\n");
}
template<class T>
static inline void WriteTevRegular(T& out, const char* components, int bias, int op, int clamp, int shift)
{
const char *tevScaleTableLeft[] = const char *tevScaleTableLeft[] =
{ {
"", // SCALE_1 "", // SCALE_1
@ -796,74 +867,17 @@ static inline void WriteStage(T& out, pixel_shader_uid_data& uid_data, int n, AP
"-", // TEVOP_SUB = 1, "-", // TEVOP_SUB = 1,
}; };
out.Write("tevin_a = int4(%s, %s.a)&255;\n", tevCInputTable[cc.a], tevAInputTable[ac.a]); // Regular TEV stage: (d + bias + lerp(a,b,c)) * scale
out.Write("tevin_b = int4(%s, %s.a)&255;\n", tevCInputTable[cc.b], tevAInputTable[ac.b]); // The GC/Wii GPU uses a very sophisticated algorithm for scale-lerping:
out.Write("tevin_c = int4(%s, %s.a)&255;\n", tevCInputTable[cc.c], tevAInputTable[ac.c]); // - c is scaled from 0..255 to 0..256, which allows dividing the result by 256 instead of 255
out.Write("tevin_d = int4(%s, %s.a);\n", tevCInputTable[cc.d], tevAInputTable[ac.d]); // - if scale is bigger than one, it is moved inside the lerp calculation for increased accuracy
// - a rounding bias is added before dividing by 256
out.Write("\t// color combine\n"); out.Write("(((tevin_d.%s%s)%s)", components, tevBiasTable[bias], tevScaleTableLeft[shift]);
out.Write("\t%s = clamp(", tevCOutputTable[cc.dest]); out.Write(" %s ", tevOpTable[op]);
out.Write("((((tevin_a.%s*256 + (tevin_b.%s-tevin_a.%s)*(tevin_c.%s+(tevin_c.%s>>7)))%s)%s)>>8)",
// combine the color channel components, components, components, components, components,
if (cc.bias != TevBias_COMPARE) // if not compare tevScaleTableLeft[shift], tevLerpBias[2*op+(shift==3)]);
{ out.Write(")%s", tevScaleTableRight[shift]);
out.Write("(((tevin_d.rgb%s)%s) %s ((((tevin_a.rgb*256 + (tevin_b.rgb-tevin_a.rgb)*(tevin_c.rgb+(tevin_c.rgb>>7)))%s)%s)>>8))%s", tevBiasTable[cc.bias], tevScaleTableLeft[cc.shift], tevOpTable[cc.op], tevScaleTableLeft[cc.shift], tevLerpBias[2*cc.op+(cc.shift==3)], tevScaleTableRight[cc.shift]);
}
else
{
const char *function_table[] =
{
"((tevin_a.r > tevin_b.r) ? tevin_c.rgb : int3(0,0,0))", // TEVCMP_R8_GT
"((tevin_a.r == tevin_b.r) ? tevin_c.rgb : int3(0,0,0))", // TEVCMP_R8_EQ
"((idot(tevin_a.rgb, comp16) > idot(tevin_b.rgb, comp16)) ? tevin_c.rgb : int3(0,0,0))", // TEVCMP_GR16_GT
"((idot(tevin_a.rgb, comp16) == idot(tevin_b.rgb, comp16)) ? tevin_c.rgb : int3(0,0,0))", // TEVCMP_GR16_EQ
"((idot(tevin_a.rgb, comp24) > idot(tevin_b.rgb, comp24)) ? tevin_c.rgb : int3(0,0,0))", // TEVCMP_BGR24_GT
"((idot(tevin_a.rgb, comp24) == idot(tevin_b.rgb, comp24)) ? tevin_c.rgb : int3(0,0,0))", // TEVCMP_BGR24_EQ
"(max(sign(tevin_a.rgb - tevin_b.rgb), int3(0,0,0)) * tevin_c.rgb)", // TEVCMP_RGB8_GT
"((int3(255,255,255) - max(sign(abs(tevin_a.rgb - tevin_b.rgb))), int3(0,0,0))) * tevin_c.rgb)" // TEVCMP_RGB8_EQ
};
int mode = (cc.shift<<1)|cc.op;
out.Write(" tevin_d.rgb + ");
out.Write(function_table[mode]);
}
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("\t// alpha combine\n");
out.Write("\t%s = clamp(", tevAOutputTable[ac.dest]);
if (ac.bias != TevBias_COMPARE) // if not compare
{
out.Write("(((tevin_d.a%s)%s) %s ((((tevin_a.a*256 + (tevin_b.a-tevin_a.a)*(tevin_c.a+(tevin_c.a>>7)))%s)%s)>>8))%s", tevBiasTable[ac.bias], tevScaleTableLeft[ac.shift], tevOpTable[ac.op], tevScaleTableLeft[ac.shift], tevLerpBias[2*ac.op+(ac.shift==3)], tevScaleTableRight[ac.shift]);
}
else
{
const char *function_table[] =
{
"((tevin_a.r > tevin_b.r) ? tevin_c.a : 0)", // TEVCMP_R8_GT
"((tevin_a.r == tevin_b.r) ? tevin_c.a : 0)", // TEVCMP_R8_EQ
"((idot(tevin_a.rgb, comp16) > idot(tevin_b.rgb, comp16)) ? tevin_c.a : 0)", // TEVCMP_GR16_GT
"((idot(tevin_a.rgb, comp16) == idot(tevin_b.rgb, comp16)) ? tevin_c.a : 0)", // TEVCMP_GR16_EQ
"((idot(tevin_a.rgb, comp24) > idot(tevin_b.rgb, comp24)) ? tevin_c.a : 0)", // TEVCMP_BGR24_GT
"((idot(tevin_a.rgb, comp24) == idot(tevin_b.rgb, comp24)) ? tevin_c.a : 0)", // TEVCMP_BGR24_EQ
"((tevin_a.a > tevin_b.a) ? tevin_c.a : 0)", // TEVCMP_A8_GT
"((tevin_a.a == tevin_b.a) ? tevin_c.a : 0)" // TEVCMP_A8_EQ
};
int mode = (ac.shift<<1)|ac.op;
out.Write(" tevin_d.a + ");
out.Write(function_table[mode]);
}
if (ac.clamp)
out.Write(", 0, 255)");
else
out.Write(", -1024, 1023)");
out.Write(";\n\n");
} }
template<class T> template<class T>