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Optimized vertex and pixel shader generation. Medium FPS boost.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@500 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
XTra.KrazzY
2008-09-12 19:04:13 +00:00
parent 3cc7e501af
commit ba4143e82b
3 changed files with 69 additions and 25 deletions
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41
Source/Plugins/Plugin_VideoDX9/Src/PixelShader.cpp
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@ -302,35 +302,33 @@ const char *GeneratePixelShader()
int numSamplers = 8;
char *p = text;
WRITE(p,"//Pixel Shader for TEV stages\n");
WRITE(p,"//%i TEV stages, %i texgens, %i IND stages, %i COL channels\n",
WRITE(p,"//Pixel Shader for TEV stages\n\
//%i TEV stages, %i texgens, %i IND stages, %i COL channels\n",
bpmem.genMode.numtevstages,bpmem.genMode.numtexgens,bpmem.genMode.numindstages,bpmem.genMode.numcolchans);
//write kcolor declarations
for (int i = 0; i < 4; i++)
WRITE(p,"float4 k%i : register(c%i);\n",i,PS_CONST_KCOLORS+i);
for (int i = 0; i < 4; i++) {
if(i < 3) {
WRITE(p,"float4 k%i : register(c%i);\n\
float4 color%i : register(c%i);\n",i,PS_CONST_KCOLORS+i, i,PS_CONST_COLORS+i+1);
} else {
WRITE(p,"float4 k%i : register(c%i);\n",i,PS_CONST_KCOLORS+i);
}
}
for (int i = 0; i < 3; i++)
WRITE(p,"float4 color%i : register(c%i);\n",i,PS_CONST_COLORS+i+1);
WRITE(p,"float constalpha : register(c%i);\n\
float2 alphaRef : register(c%i);\n\n\
sampler samp[%i] : register(s0);\n\n\
float4 main(in float4 colors[2] : COLOR0",PS_CONST_CONSTALPHA,PS_CONST_ALPHAREF,numSamplers);
WRITE(p,"float constalpha : register(c%i);\n",PS_CONST_CONSTALPHA);
WRITE(p,"float2 alphaRef : register(c%i);\n",PS_CONST_ALPHAREF);
WRITE(p,"\n");
WRITE(p,"sampler samp[%i] : register(s0);\n",numSamplers);
WRITE(p,"\n");
WRITE(p,"float4 main(in float4 colors[2] : COLOR0");
if (numTexgen)
WRITE(p,", float4 uv[%i] : TEXCOORD0",numTexgen);
else
WRITE(p,", float4 uv[1] : TEXCOORD0"); //HACK
WRITE(p,") : COLOR\n");
WRITE(p,"{\n");
WRITE(p,"float4 c0=color0,c1=color1,c2=color2,prev=float4(0.0f,0.0f,0.0f,0.0f),textemp,rastemp,konsttemp;\n");
WRITE(p,"\n");
WRITE(p,") : COLOR\n\
{\n\
float4 c0=color0,c1=color1,c2=color2,prev=float4(0.0f,0.0f,0.0f,0.0f),textemp,rastemp,konsttemp;\n\
\n");
for (int i = 0; i < numStages; i++)
WriteStage(p,i); //build the equation for this stage
@ -342,8 +340,7 @@ const char *GeneratePixelShader()
else
WRITE(p," return prev;\n");
WRITE(p,"}\n");
WRITE(p,"\0");
WRITE(p,"}\n\0");
return text;
}