PixelShaderGen: Cleanups.
This commit is contained in:
Tony Wasserka
parent
4f82d6f7af
commit
eb0f547a17
|
|
@ -112,14 +112,14 @@ static const char *tevCInputTable[] =
|
|||
|
||||
static const char *tevAInputTable[] =
|
||||
{
|
||||
"prev", // APREV,
|
||||
"c0", // A0,
|
||||
"c1", // A1,
|
||||
"c2", // A2,
|
||||
"textemp", // TEXA,
|
||||
"rastemp", // RASA,
|
||||
"konsttemp", // KONST, (hw1 had quarter)
|
||||
"int4(0,0,0,0)", // ZERO
|
||||
"prev.a", // APREV,
|
||||
"c0.a", // A0,
|
||||
"c1.a", // A1,
|
||||
"c2.a", // A2,
|
||||
"textemp.a", // TEXA,
|
||||
"rastemp.a", // RASA,
|
||||
"konsttemp.a", // KONST, (hw1 had quarter)
|
||||
"0", // ZERO
|
||||
};
|
||||
|
||||
static const char *tevRasTable[] =
|
||||
|
|
@ -140,6 +140,7 @@ static const char *tevAOutputTable[] = { "prev.a", "c0.a", "c1.a", "c2.a" };
|
|||
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 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 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);
|
||||
|
|
@ -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.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[] =
|
||||
{
|
||||
"", // SCALE_1
|
||||
|
|
@ -796,74 +867,17 @@ static inline void WriteStage(T& out, pixel_shader_uid_data& uid_data, int n, AP
|
|||
"-", // TEVOP_SUB = 1,
|
||||
};
|
||||
|
||||
out.Write("tevin_a = int4(%s, %s.a)&255;\n", tevCInputTable[cc.a], tevAInputTable[ac.a]);
|
||||
out.Write("tevin_b = int4(%s, %s.a)&255;\n", tevCInputTable[cc.b], tevAInputTable[ac.b]);
|
||||
out.Write("tevin_c = int4(%s, %s.a)&255;\n", tevCInputTable[cc.c], tevAInputTable[ac.c]);
|
||||
out.Write("tevin_d = int4(%s, %s.a);\n", tevCInputTable[cc.d], tevAInputTable[ac.d]);
|
||||
|
||||
out.Write("\t// color combine\n");
|
||||
out.Write("\t%s = clamp(", tevCOutputTable[cc.dest]);
|
||||
|
||||
// combine the color channel
|
||||
if (cc.bias != TevBias_COMPARE) // if not compare
|
||||
{
|
||||
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");
|
||||
// Regular TEV stage: (d + bias + lerp(a,b,c)) * scale
|
||||
// The GC/Wii GPU uses a very sophisticated algorithm for scale-lerping:
|
||||
// - c is scaled from 0..255 to 0..256, which allows dividing the result by 256 instead of 255
|
||||
// - 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("(((tevin_d.%s%s)%s)", components, tevBiasTable[bias], tevScaleTableLeft[shift]);
|
||||
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)",
|
||||
components, components, components, components, components,
|
||||
tevScaleTableLeft[shift], tevLerpBias[2*op+(shift==3)]);
|
||||
out.Write(")%s", tevScaleTableRight[shift]);
|
||||
}
|
||||
|
||||
template<class T>
|
||||
|
|
|
|||
Loading…
Reference in New Issue