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Backport Donko's hackfix to DX9 plugin. Move some code around. Add a couple of sanity checks.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@937 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2008-10-22 18:39:46 +00:00
parent ae0f0f8dcd
commit 32820d2036
8 changed files with 83 additions and 74 deletions
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35
Source/Plugins/Plugin_VideoOGL/Src/PixelShader.cpp
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@ -35,10 +35,10 @@
// output is given by .outreg
// tevtemp is set according to swapmodetables and
void WriteStage(char *&p, int n, u32 texture_mask);
void WrapNonPow2Tex(char* &p, const char* var, int texmap, u32 texture_mask);
void WriteAlphaCompare(char *&p, int num, int comp);
bool WriteAlphaTest(char *&p);
static void WriteStage(char *&p, int n, u32 texture_mask);
static void WrapNonPow2Tex(char* &p, const char* var, int texmap, u32 texture_mask);
static void WriteAlphaCompare(char *&p, int num, int comp);
static bool WriteAlphaTest(char *&p);
const float epsilon8bit = 1.0f / 255.0f;
@ -257,23 +257,25 @@ static const char* tevIndFmtScale[] = {"255.0f", "31.0f", "15.0f", "8.0f" };
static const char *swapColors = "rgba";
static char swapModeTable[4][5];
static char text[16384];
void BuildSwapModeTable()
static void BuildSwapModeTable()
{
//bpmem.tevregs[0].
for (int i = 0; i < 4; i++)
{
swapModeTable[i][0]=swapColors[bpmem.tevksel[i*2].swap1];
swapModeTable[i][1]=swapColors[bpmem.tevksel[i*2].swap2];
swapModeTable[i][2]=swapColors[bpmem.tevksel[i*2+1].swap1];
swapModeTable[i][3]=swapColors[bpmem.tevksel[i*2+1].swap2];
swapModeTable[i][4]=0;
swapModeTable[i][0] = swapColors[bpmem.tevksel[i*2].swap1];
swapModeTable[i][1] = swapColors[bpmem.tevksel[i*2].swap2];
swapModeTable[i][2] = swapColors[bpmem.tevksel[i*2+1].swap1];
swapModeTable[i][3] = swapColors[bpmem.tevksel[i*2+1].swap2];
swapModeTable[i][4] = 0;
}
}
char *GeneratePixelShader(u32 texture_mask, bool has_zbuffer_target, bool bRenderZToCol0)
{
text[sizeof(text) - 1] = 0x7C; // canary
DVSTARTPROFILE();
BuildSwapModeTable();
@ -283,7 +285,7 @@ char *GeneratePixelShader(u32 texture_mask, bool has_zbuffer_target, bool bRende
char *p = text;
WRITE(p, "//Pixel Shader for TEV stages\n");
WRITE(p, "//%i TEV stages, %i texgens, %i IND stages\n",
numStages,numTexgen,bpmem.genMode.numindstages);
numStages, numTexgen, bpmem.genMode.numindstages);
bool bRenderZ = has_zbuffer_target && bpmem.zmode.updateenable;
bool bOutputZ = bpmem.ztex2.op != ZTEXTURE_DISABLE;
@ -305,7 +307,7 @@ char *GeneratePixelShader(u32 texture_mask, bool has_zbuffer_target, bool bRende
}
}
// samplers
// Declare samplers
if (texture_mask) {
WRITE(p, "uniform samplerRECT ");
bool bfirst = true;
@ -455,11 +457,12 @@ char *GeneratePixelShader(u32 texture_mask, bool has_zbuffer_target, bool bRende
}
}
WRITE(p, "}\n");
if (text[sizeof(text) - 1] != 0x7C)
PanicAlert("PixelShader generator - buffer too small, canary has been eaten!");
return text;
}
void WriteStage(char *&p, int n, u32 texture_mask)
static void WriteStage(char *&p, int n, u32 texture_mask)
{
char *rasswap = swapModeTable[bpmem.combiners[n].alphaC.rswap];
char *texswap = swapModeTable[bpmem.combiners[n].alphaC.tswap];
@ -775,7 +778,7 @@ void WrapNonPow2Tex(char* &p, const char* var, int texmap, u32 texture_mask)
}
}
void WriteAlphaCompare(char *&p, int num, int comp)
static void WriteAlphaCompare(char *&p, int num, int comp)
{
switch(comp) {
case ALPHACMP_ALWAYS: WRITE(p, "(false)"); break;
@ -789,7 +792,7 @@ void WriteAlphaCompare(char *&p, int num, int comp)
}
}
bool WriteAlphaTest(char *&p)
static bool WriteAlphaTest(char *&p)
{
u32 op = bpmem.alphaFunc.logic;
u32 comp[2] = {bpmem.alphaFunc.comp0,bpmem.alphaFunc.comp1};