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Various cleanups and TODOs.

This commit is contained in:
NeoBrainX 2011-08-30 20:58:43 +02:00
parent c0dd84cf7d
commit 8a17e15943
1 changed files with 44 additions and 66 deletions
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110
Source/Core/VideoCommon/Src/PixelShaderGen.cpp
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@ -333,12 +333,6 @@ static const char *tevRasTable[] =
"float4(0.0f, 0.0f, 0.0f, 0.0f)", // zero
};
static const char *alphaRef[2] =
{
I_ALPHA"[0].r",
I_ALPHA"[0].g"
};
//static const char *tevTexFunc[] = { "tex2D", "texRECT" };
static const char *tevCOutputTable[] = { "prev.rgb", "c0.rgb", "c1.rgb", "c2.rgb" };
@ -385,7 +379,7 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType
setlocale(LC_NUMERIC, "C"); // Reset locale for compilation
text[sizeof(text) - 1] = 0x7C; // canary
BuildSwapModeTable();
BuildSwapModeTable(); // Needed for WriteStage
int numStages = bpmem.genMode.numtevstages + 1;
int numTexgen = bpmem.genMode.numtexgens;
@ -505,10 +499,6 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType
{
// alpha test will always fail, so restart the shader and just make it an empty function
WRITE(p, "ocol0 = 0;\n");
if(DepthTextureEnable)
WRITE(p, "depth = 1.f;\n");
if(dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND)
WRITE(p, "ocol1 = 0;\n");
WRITE(p, "discard;\n");
if(ApiType != API_D3D11)
WRITE(p, "return;\n");
@ -626,6 +616,7 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType
if(RegisterStates[0].AlphaNeedOverflowControl || RegisterStates[0].ColorNeedOverflowControl)
WRITE(p, "prev = frac(prev * (255.0f/256.0f)) * (256.0f/255.0f);\n");
// TODO: Why are we doing a second alpha pretest here?
if (!WriteAlphaTest(p, ApiType, dstAlphaMode))
{
// alpha test will always fail, so restart the shader and just make it an empty function
@ -740,10 +731,6 @@ static const char *TEVCMPAlphaOPTable[16] =
static void WriteStage(char *&p, int n, API_TYPE ApiType)
{
char *rasswap = swapModeTable[bpmem.combiners[n].alphaC.rswap];
char *texswap = swapModeTable[bpmem.combiners[n].alphaC.tswap];
int texcoord = bpmem.tevorders[n/2].getTexCoord(n&1);
bool bHasTexCoord = (u32)texcoord < bpmem.genMode.numtexgens;
bool bHasIndStage = bpmem.tevind[n].IsActive() && bpmem.tevind[n].bt < bpmem.genMode.numindstages;
@ -780,11 +767,13 @@ static void WriteStage(char *&p, int n, API_TYPE ApiType)
}
else if (bpmem.tevind[n].mid <= 7 && bHasTexCoord)
{ // s matrix
// TODO: Might become negative?
int mtxidx = 2*(bpmem.tevind[n].mid-5);
WRITE(p, "float2 indtevtrans%d = "I_INDTEXMTX"[%d].ww * uv%d.xy * indtevcrd%d.xx;\n", n, mtxidx, texcoord, n);
}
else if (bpmem.tevind[n].mid <= 11 && bHasTexCoord)
{ // t matrix
// TODO: Might become negative?
int mtxidx = 2*(bpmem.tevind[n].mid-9);
WRITE(p, "float2 indtevtrans%d = "I_INDTEXMTX"[%d].ww * uv%d.xy * indtevcrd%d.yy;\n", n, mtxidx, texcoord, n);
}
@ -823,11 +812,14 @@ static void WriteStage(char *&p, int n, API_TYPE ApiType)
TevStageCombiner::ColorCombiner &cc = bpmem.combiners[n].colorC;
TevStageCombiner::AlphaCombiner &ac = bpmem.combiners[n].alphaC;
bool bCRas = cc.a == TEVCOLORARG_RASA || cc.a == TEVCOLORARG_RASC || cc.b == TEVCOLORARG_RASA || cc.b == TEVCOLORARG_RASC || cc.c == TEVCOLORARG_RASA || cc.c == TEVCOLORARG_RASC || cc.d == TEVCOLORARG_RASA || cc.d == TEVCOLORARG_RASC;
bool bARas = ac.a == TEVALPHAARG_RASA || ac.b == TEVALPHAARG_RASA || ac.c == TEVALPHAARG_RASA || ac.d == TEVALPHAARG_RASA;
if(bCRas || bARas)
if(cc.a == TEVCOLORARG_RASA || cc.a == TEVCOLORARG_RASC
|| cc.b == TEVCOLORARG_RASA || cc.b == TEVCOLORARG_RASC
|| cc.c == TEVCOLORARG_RASA || cc.c == TEVCOLORARG_RASC
|| cc.d == TEVCOLORARG_RASA || cc.d == TEVCOLORARG_RASC
|| ac.a == TEVALPHAARG_RASA || ac.b == TEVALPHAARG_RASA
|| ac.c == TEVALPHAARG_RASA || ac.d == TEVALPHAARG_RASA)
{
char *rasswap = swapModeTable[bpmem.combiners[n].alphaC.rswap];
WRITE(p, "rastemp = %s.%s;\n", tevRasTable[bpmem.tevorders[n / 2].getColorChan(n & 1)], rasswap);
WRITE(p, "crastemp = frac(rastemp * (255.0f/256.0f)) * (256.0f/255.0f);\n");
}
@ -835,7 +827,6 @@ static void WriteStage(char *&p, int n, API_TYPE ApiType)
if (bpmem.tevorders[n/2].getEnable(n&1))
{
int texmap = bpmem.tevorders[n/2].getTexMap(n&1);
if(!bHasIndStage)
{
// calc tevcord
@ -845,20 +836,19 @@ static void WriteStage(char *&p, int n, API_TYPE ApiType)
WRITE(p, "tevcoord.xy = float2(0.0f, 0.0f);\n");
}
char *texswap = swapModeTable[bpmem.combiners[n].alphaC.tswap];
int texmap = bpmem.tevorders[n/2].getTexMap(n&1);
SampleTexture(p, "textemp", "tevcoord", texswap, texmap, ApiType);
}
else
WRITE(p, "textemp = float4(1.0f, 1.0f, 1.0f, 1.0f);\n");
int kc = bpmem.tevksel[n / 2].getKC(n & 1);
int ka = bpmem.tevksel[n / 2].getKA(n & 1);
bool bCKonst = cc.a == TEVCOLORARG_KONST || cc.b == TEVCOLORARG_KONST || cc.c == TEVCOLORARG_KONST || cc.d == TEVCOLORARG_KONST;
bool bAKonst = ac.a == TEVALPHAARG_KONST || ac.b == TEVALPHAARG_KONST || ac.c == TEVALPHAARG_KONST || ac.d == TEVALPHAARG_KONST;
if (bCKonst || bAKonst )
if (cc.a == TEVCOLORARG_KONST || cc.b == TEVCOLORARG_KONST || cc.c == TEVCOLORARG_KONST || cc.d == TEVCOLORARG_KONST
|| ac.a == TEVALPHAARG_KONST || ac.b == TEVALPHAARG_KONST || ac.c == TEVALPHAARG_KONST || ac.d == TEVALPHAARG_KONST)
{
int kc = bpmem.tevksel[n / 2].getKC(n & 1);
int ka = bpmem.tevksel[n / 2].getKA(n & 1);
WRITE(p, "konsttemp = float4(%s, %s);\n", tevKSelTableC[kc], tevKSelTableA[ka]);
if(kc > 7 || ka > 7)
{
@ -870,15 +860,10 @@ static void WriteStage(char *&p, int n, API_TYPE ApiType)
}
}
if(cc.a == TEVCOLORARG_CPREV
|| cc.a == TEVCOLORARG_APREV
|| cc.b == TEVCOLORARG_CPREV
|| cc.b == TEVCOLORARG_APREV
|| cc.c == TEVCOLORARG_CPREV
|| cc.c == TEVCOLORARG_APREV
|| ac.a == TEVALPHAARG_APREV
|| ac.b == TEVALPHAARG_APREV
|| ac.c == TEVALPHAARG_APREV)
if(cc.a == TEVCOLORARG_CPREV || cc.a == TEVCOLORARG_APREV
|| cc.b == TEVCOLORARG_CPREV || cc.b == TEVCOLORARG_APREV
|| cc.c == TEVCOLORARG_CPREV || cc.c == TEVCOLORARG_APREV
|| ac.a == TEVALPHAARG_APREV || ac.b == TEVALPHAARG_APREV || ac.c == TEVALPHAARG_APREV)
{
if(RegisterStates[0].AlphaNeedOverflowControl || RegisterStates[0].ColorNeedOverflowControl)
{
@ -893,15 +878,10 @@ static void WriteStage(char *&p, int n, API_TYPE ApiType)
RegisterStates[0].AuxStored = true;
}
if(cc.a == TEVCOLORARG_C0
|| cc.a == TEVCOLORARG_A0
|| cc.b == TEVCOLORARG_C0
|| cc.b == TEVCOLORARG_A0
|| cc.c == TEVCOLORARG_C0
|| cc.c == TEVCOLORARG_A0
|| ac.a == TEVALPHAARG_A0
|| ac.b == TEVALPHAARG_A0
|| ac.c == TEVALPHAARG_A0)
if(cc.a == TEVCOLORARG_C0 || cc.a == TEVCOLORARG_A0
|| cc.b == TEVCOLORARG_C0 || cc.b == TEVCOLORARG_A0
|| cc.c == TEVCOLORARG_C0 || cc.c == TEVCOLORARG_A0
|| ac.a == TEVALPHAARG_A0 || ac.b == TEVALPHAARG_A0 || ac.c == TEVALPHAARG_A0)
{
if(RegisterStates[1].AlphaNeedOverflowControl || RegisterStates[1].ColorNeedOverflowControl)
{
@ -916,15 +896,10 @@ static void WriteStage(char *&p, int n, API_TYPE ApiType)
RegisterStates[1].AuxStored = true;
}
if(cc.a == TEVCOLORARG_C1
|| cc.a == TEVCOLORARG_A1
|| cc.b == TEVCOLORARG_C1
|| cc.b == TEVCOLORARG_A1
|| cc.c == TEVCOLORARG_C1
|| cc.c == TEVCOLORARG_A1
|| ac.a == TEVALPHAARG_A1
|| ac.b == TEVALPHAARG_A1
|| ac.c == TEVALPHAARG_A1)
if(cc.a == TEVCOLORARG_C1 || cc.a == TEVCOLORARG_A1
|| cc.b == TEVCOLORARG_C1 || cc.b == TEVCOLORARG_A1
|| cc.c == TEVCOLORARG_C1 || cc.c == TEVCOLORARG_A1
|| ac.a == TEVALPHAARG_A1 || ac.b == TEVALPHAARG_A1 || ac.c == TEVALPHAARG_A1)
{
if(RegisterStates[2].AlphaNeedOverflowControl || RegisterStates[2].ColorNeedOverflowControl)
{
@ -939,15 +914,10 @@ static void WriteStage(char *&p, int n, API_TYPE ApiType)
RegisterStates[2].AuxStored = true;
}
if(cc.a == TEVCOLORARG_C2
|| cc.a == TEVCOLORARG_A2
|| cc.b == TEVCOLORARG_C2
|| cc.b == TEVCOLORARG_A2
|| cc.c == TEVCOLORARG_C2
|| cc.c == TEVCOLORARG_A2
|| ac.a == TEVALPHAARG_A2
|| ac.b == TEVALPHAARG_A2
|| ac.c == TEVALPHAARG_A2)
if(cc.a == TEVCOLORARG_C2 || cc.a == TEVCOLORARG_A2
|| cc.b == TEVCOLORARG_C2 || cc.b == TEVCOLORARG_A2
|| cc.c == TEVCOLORARG_C2 || cc.c == TEVCOLORARG_A2
|| ac.a == TEVALPHAARG_A2 || ac.b == TEVALPHAARG_A2 || ac.c == TEVALPHAARG_A2)
{
if(RegisterStates[3].AlphaNeedOverflowControl || RegisterStates[3].ColorNeedOverflowControl)
{
@ -994,7 +964,7 @@ static void WriteStage(char *&p, int n, API_TYPE ApiType)
WRITE(p, "%s", tevBiasTable[cc.bias]);
if (cc.shift > 0)
if (cc.shift > TEVSCALE_1)
WRITE(p, ")");
}
else
@ -1122,6 +1092,11 @@ static int AlphaPreTest()
static bool WriteAlphaTest(char *&p, API_TYPE ApiType,DSTALPHA_MODE dstAlphaMode)
{
static const char *alphaRef[2] =
{
I_ALPHA"[0].r",
I_ALPHA"[0].g"
};
int Pretest = AlphaPreTest();
if(Pretest >= 0)
@ -1139,7 +1114,10 @@ static bool WriteAlphaTest(char *&p, API_TYPE ApiType,DSTALPHA_MODE dstAlphaMode
compindex = bpmem.alphaFunc.comp1 % 8;
WRITE(p, tevAlphaFuncsTable[compindex],alphaRef[1]);//lookup the second component from the alpha function table
WRITE(p, ")){ocol0 = 0;%s%sdiscard;%s}\n",dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND ? "ocol1 = 0;" : "",DepthTextureEnable ? "depth = 1.f;" : "",(ApiType != API_D3D11)? "return;" : "");
WRITE(p, ")){ocol0 = 0;%s%s discard;%s}\n",
dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND ? "ocol1 = 0;" : "",
DepthTextureEnable ? "depth = 1.f;" : "",
(ApiType != API_D3D11) ? "return;" : "");
return true;
}
@ -1197,4 +1175,4 @@ static void WriteFog(char *&p)
WRITE(p, " prev.rgb = lerp(prev.rgb,"I_FOG"[0].rgb,fog);\n");
}
}