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Merge branch 'immediate-removal' into GLSL-master
Conflicts: Source/Core/VideoCommon/Src/PixelShaderGen.cpp Source/Plugins/Plugin_VideoSoftware/Src/SWRenderer.cpp immediate-removal is a new created branch seperated from master but reverted the revert of immediate-removal so we get less conflicts by merging
This commit is contained in:
degasus
@ -27,9 +27,8 @@
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#include "VideoConfig.h"
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#include "NativeVertexFormat.h"
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static int AlphaPreTest();
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static void StageHash(int stage, u32* out)
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static void StageHash(u32 stage, u32* out)
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{
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out[0] |= bpmem.combiners[stage].colorC.hex & 0xFFFFFF; // 24
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u32 alphaC = bpmem.combiners[stage].alphaC.hex & 0xFFFFF0; // 24, strip out tswap and rswap for now
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@ -109,29 +108,17 @@ void GetPixelShaderId(PIXELSHADERUID *uid, DSTALPHA_MODE dstAlphaMode, u32 compo
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uid->values[0] |= bpmem.genMode.numtexgens << 4; // 4
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uid->values[0] |= dstAlphaMode << 8; // 2
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bool DepthTextureEnable = (bpmem.ztex2.op != ZTEXTURE_DISABLE && !bpmem.zcontrol.zcomploc && bpmem.zmode.testenable && bpmem.zmode.updateenable) || g_ActiveConfig.bEnablePerPixelDepth;
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uid->values[0] |= DepthTextureEnable << 10; // 1
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bool enablePL = g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting;
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uid->values[0] |= enablePL << 11; // 1
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uid->values[0] |= enablePL << 10; // 1
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if (!enablePL) uid->values[0] |= xfregs.numTexGen.numTexGens << 12; // 4
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u32 alphaPreTest = AlphaPreTest()+1;
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if (!enablePL) uid->values[0] |= xfregs.numTexGen.numTexGens << 11; // 4
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uid->values[0] |= alphaPreTest << 16; // 2
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if (alphaPreTest == 1 || (alphaPreTest && !DepthTextureEnable && dstAlphaMode == DSTALPHA_ALPHA_PASS))
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{
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// Courtesy of PreAlphaTest, we're done already ;)
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// NOTE: The comment header of generated shaders depends on the value of bpmem.genmode.numindstages.. shouldnt really bother about that though.
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uid->num_values = 1;
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return;
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}
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AlphaTest::TEST_RESULT alphaPreTest = bpmem.alpha_test.TestResult();
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uid->values[0] |= alphaPreTest << 15; // 2
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// numtexgens should be <= 8
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for (unsigned int i = 0; i < bpmem.genMode.numtexgens; ++i)
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uid->values[0] |= xfregs.texMtxInfo[i].projection << (18+i); // 1
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uid->values[0] |= xfregs.texMtxInfo[i].projection << (17+i); // 1
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uid->values[1] = bpmem.genMode.numindstages; // 3
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u32 indirectStagesUsed = 0;
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@ -154,30 +141,24 @@ void GetPixelShaderId(PIXELSHADERUID *uid, DSTALPHA_MODE dstAlphaMode, u32 compo
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}
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u32* ptr = &uid->values[2];
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for (int i = 0; i < bpmem.genMode.numtevstages+1; ++i)
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for (unsigned int i = 0; i < bpmem.genMode.numtevstages+1u; ++i)
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{
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StageHash(i, ptr);
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ptr += 4; // max: ptr = &uid->values[66]
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}
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ptr[0] |= bpmem.alphaFunc.comp0; // 3
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ptr[0] |= bpmem.alphaFunc.comp1 << 3; // 3
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ptr[0] |= bpmem.alphaFunc.logic << 6; // 2
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ptr[0] |= bpmem.alpha_test.comp0; // 3
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ptr[0] |= bpmem.alpha_test.comp1 << 3; // 3
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ptr[0] |= bpmem.alpha_test.logic << 6; // 2
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if (alphaPreTest == 0 || alphaPreTest == 2)
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{
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ptr[0] |= bpmem.fog.c_proj_fsel.fsel << 8; // 3
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if (DepthTextureEnable)
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{
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ptr[0] |= bpmem.ztex2.op << 11; // 2
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ptr[0] |= bpmem.zcontrol.zcomploc << 13; // 1
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ptr[0] |= bpmem.zmode.testenable << 14; // 1
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ptr[0] |= bpmem.zmode.updateenable << 15; // 1
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}
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}
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ptr[0] |= bpmem.ztex2.op << 8; // 2
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ptr[0] |= bpmem.zcontrol.early_ztest << 10; // 1
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ptr[0] |= bpmem.zmode.testenable << 11; // 1
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ptr[0] |= bpmem.zmode.updateenable << 12; // 1
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if (dstAlphaMode != DSTALPHA_ALPHA_PASS)
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{
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ptr[0] |= bpmem.fog.c_proj_fsel.fsel << 13; // 3
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if (bpmem.fog.c_proj_fsel.fsel != 0)
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{
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ptr[0] |= bpmem.fog.c_proj_fsel.proj << 16; // 1
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@ -204,9 +185,8 @@ void GetSafePixelShaderId(PIXELSHADERUIDSAFE *uid, DSTALPHA_MODE dstAlphaMode, u
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*ptr++ = bpmem.ztex2.hex; // 2
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*ptr++ = bpmem.zcontrol.hex; // 3
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*ptr++ = bpmem.zmode.hex; // 4
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*ptr++ = g_ActiveConfig.bEnablePerPixelDepth; // 5
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*ptr++ = g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting; // 6
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*ptr++ = xfregs.numTexGen.hex; // 7
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*ptr++ = g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting; // 5
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*ptr++ = xfregs.numTexGen.hex; // 6
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if (g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting)
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{
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@ -218,28 +198,28 @@ void GetSafePixelShaderId(PIXELSHADERUIDSAFE *uid, DSTALPHA_MODE dstAlphaMode, u
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}
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for (unsigned int i = 0; i < 8; ++i)
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*ptr++ = xfregs.texMtxInfo[i].hex; // 8-15
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*ptr++ = xfregs.texMtxInfo[i].hex; // 7-14
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for (unsigned int i = 0; i < 16; ++i)
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*ptr++ = bpmem.tevind[i].hex; // 16-31
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*ptr++ = bpmem.tevind[i].hex; // 15-30
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*ptr++ = bpmem.tevindref.hex; // 32
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*ptr++ = bpmem.tevindref.hex; // 31
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for (u32 i = 0; i < bpmem.genMode.numtevstages+1; ++i) // up to 16 times
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for (u32 i = 0; i < bpmem.genMode.numtevstages+1u; ++i) // up to 16 times
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{
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*ptr++ = bpmem.combiners[i].colorC.hex; // 33+5*i
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*ptr++ = bpmem.combiners[i].alphaC.hex; // 34+5*i
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*ptr++ = bpmem.tevind[i].hex; // 35+5*i
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*ptr++ = bpmem.tevksel[i/2].hex; // 36+5*i
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*ptr++ = bpmem.tevorders[i/2].hex; // 37+5*i
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*ptr++ = bpmem.combiners[i].colorC.hex; // 32+5*i
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*ptr++ = bpmem.combiners[i].alphaC.hex; // 33+5*i
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*ptr++ = bpmem.tevind[i].hex; // 34+5*i
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*ptr++ = bpmem.tevksel[i/2].hex; // 35+5*i
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*ptr++ = bpmem.tevorders[i/2].hex; // 36+5*i
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}
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ptr = &uid->values[113];
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ptr = &uid->values[112];
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*ptr++ = bpmem.alphaFunc.hex; // 113
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*ptr++ = bpmem.alpha_test.hex; // 112
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*ptr++ = bpmem.fog.c_proj_fsel.hex; // 114
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*ptr++ = bpmem.fogRange.Base.hex; // 115
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*ptr++ = bpmem.fog.c_proj_fsel.hex; // 113
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*ptr++ = bpmem.fogRange.Base.hex; // 114
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_assert_((ptr - uid->values) == uid->GetNumValues());
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}
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@ -308,10 +288,10 @@ static const char *tevKSelTableC[] = // KCSEL
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"0.375f,0.375f,0.375f", // 3_8 = 0x05
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"0.25f,0.25f,0.25f", // 1_4 = 0x06
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"0.125f,0.125f,0.125f", // 1_8 = 0x07
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"ERROR", // 0x08
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"ERROR", // 0x09
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"ERROR", // 0x0a
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"ERROR", // 0x0b
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"ERROR1", // 0x08
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"ERROR2", // 0x09
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"ERROR3", // 0x0a
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"ERROR4", // 0x0b
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I_KCOLORS"[0].rgb", // K0 = 0x0C
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I_KCOLORS"[1].rgb", // K1 = 0x0D
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I_KCOLORS"[2].rgb", // K2 = 0x0E
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@ -344,14 +324,14 @@ static const char *tevKSelTableA[] = // KASEL
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"0.375f",// 3_8 = 0x05
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"0.25f", // 1_4 = 0x06
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"0.125f",// 1_8 = 0x07
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"ERROR", // 0x08
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"ERROR", // 0x09
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"ERROR", // 0x0a
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"ERROR", // 0x0b
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"ERROR", // 0x0c
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"ERROR", // 0x0d
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"ERROR", // 0x0e
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"ERROR", // 0x0f
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"ERROR5", // 0x08
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"ERROR6", // 0x09
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"ERROR7", // 0x0a
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"ERROR8", // 0x0b
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"ERROR9", // 0x0c
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"ERROR10", // 0x0d
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"ERROR11", // 0x0e
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"ERROR12", // 0x0f
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I_KCOLORS"[0].r", // K0_R = 0x10
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I_KCOLORS"[1].r", // K1_R = 0x11
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I_KCOLORS"[2].r", // K2_R = 0x12
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@ -426,7 +406,7 @@ static const char *tevCInputTable[] = // CC
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"float3(0.5f, 0.5f, 0.5f)", // HALF
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"(ckonsttemp.rgb)", //"konsttemp.rgb", // KONST
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"float3(0.0f, 0.0f, 0.0f)", // ZERO
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"PADERROR", "PADERROR", "PADERROR", "PADERROR"
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"PADERROR1", "PADERROR2", "PADERROR3", "PADERROR4"
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};
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static const char *tevAInputTable[] = // CA
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@ -448,17 +428,17 @@ static const char *tevAInputTable[] = // CA
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"crastemp", // RASA,
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"ckonsttemp", // KONST, (hw1 had quarter)
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"float4(0.0f, 0.0f, 0.0f, 0.0f)", // ZERO
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"PADERROR", "PADERROR", "PADERROR", "PADERROR",
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"PADERROR", "PADERROR", "PADERROR", "PADERROR",
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"PADERROR5", "PADERROR6", "PADERROR7", "PADERROR8",
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"PADERROR9", "PADERROR10", "PADERROR11", "PADERROR12",
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};
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static const char *tevRasTable[] =
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{
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"colors_0",
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"colors_1",
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"ERROR", //2
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"ERROR", //3
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"ERROR", //4
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"ERROR13", //2
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"ERROR14", //3
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"ERROR15", //4
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"alphabump", // use bump alpha
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"(alphabump*(255.0f/248.0f))", //normalized
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"float4(0.0f, 0.0f, 0.0f, 0.0f)", // zero
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@ -481,7 +461,6 @@ static const char *tevIndFmtScale[] = {"255.0f", "31.0f", "15.0f", "7.0f" };
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static char swapModeTable[4][5];
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static char text[16384];
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static bool DepthTextureEnable;
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struct RegisterState
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{
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@ -546,7 +525,6 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType
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nIndirectStagesUsed |= 1 << bpmem.tevind[i].bt;
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}
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}
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DepthTextureEnable = (bpmem.ztex2.op != ZTEXTURE_DISABLE && !bpmem.zcontrol.zcomploc && bpmem.zmode.testenable && bpmem.zmode.updateenable) || g_ActiveConfig.bEnablePerPixelDepth ;
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if (ApiType == API_OPENGL)
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{
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@ -639,8 +617,7 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType
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if (dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND)
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WRITE(p, "out float4 ocol1;\n");
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if (DepthTextureEnable)
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WRITE(p, "float depth;\n");
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WRITE(p, "float depth;\n");
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WRITE(p, "float4 rawpos = gl_FragCoord;\n");
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WRITE(p, "VARYIN float4 colors_02;\n");
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@ -695,14 +672,14 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType
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{
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WRITE(p, " out float4 ocol0 : COLOR0,%s%s\n in float4 rawpos : %s,\n",
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dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND ? "\n out float4 ocol1 : COLOR1," : "",
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DepthTextureEnable ? "\n out float depth : DEPTH," : "",
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"\n out float depth : DEPTH,",
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ApiType & API_D3D9_SM20 ? "POSITION" : "VPOS");
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}
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else
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{
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WRITE(p, " out float4 ocol0 : SV_Target0,%s%s\n in float4 rawpos : SV_Position,\n",
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dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND ? "\n out float4 ocol1 : SV_Target1," : "",
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DepthTextureEnable ? "\n out float depth : SV_Depth," : "");
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"\n out float depth : SV_Depth,");
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}
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WRITE(p, " in float4 colors_0 : COLOR0,\n");
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@ -736,45 +713,14 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType
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}
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}
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int Pretest = AlphaPreTest();
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if(Pretest >= 0 && !DepthTextureEnable)
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{
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if (!Pretest)
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{
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// alpha test will always fail, so restart the shader and just make it an empty function
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WRITE(p, "\tocol0 = float4(0.0f, 0.0f, 0.0f, 0.0f);\n");
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if(DepthTextureEnable)
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WRITE(p, "\tdepth = 1.f;\n");
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if(dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND)
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WRITE(p, "\tocol1 = float4(0.0f, 0.0f, 0.0f, 0.0f);\n");
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if (ApiType == API_OPENGL)
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{
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if (DepthTextureEnable)
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WRITE(p, "\tgl_FragDepth = depth;\n");
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}
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WRITE(p, "\tdiscard;\n");
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if(ApiType != API_D3D11)
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WRITE(p, "\treturn;\n");
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}
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else if (dstAlphaMode == DSTALPHA_ALPHA_PASS)
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{
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WRITE(p, "\tocol0 = " I_ALPHA"[0].aaaa;\n");
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}
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if(!Pretest || dstAlphaMode == DSTALPHA_ALPHA_PASS)
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{
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WRITE(p, "}\n");
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return text;
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}
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}
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WRITE(p, "\tfloat4 c0 = " I_COLORS"[1], c1 = " I_COLORS"[2], c2 = " I_COLORS"[3], prev = float4(0.0f, 0.0f, 0.0f, 0.0f), textemp = float4(0.0f, 0.0f, 0.0f, 0.0f), rastemp = float4(0.0f, 0.0f, 0.0f, 0.0f), konsttemp = float4(0.0f, 0.0f, 0.0f, 0.0f);\n"
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"\tfloat3 comp16 = float3(1.0f, 255.0f, 0.0f), comp24 = float3(1.0f, 255.0f, 255.0f*255.0f);\n"
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"\tfloat4 alphabump=float4(0.0f,0.0f,0.0f,0.0f);\n"
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"\tfloat3 tevcoord=float3(0.0f, 0.0f, 0.0f);\n"
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||||
"\tfloat2 wrappedcoord=float2(0.0f,0.0f), tempcoord=float2(0.0f,0.0f);\n"
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||||
"\tfloat4 cc0=float4(0.0f,0.0f,0.0f,0.0f), cc1=float4(0.0f,0.0f,0.0f,0.0f);\n"
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||||
"\tfloat4 cc2=float4(0.0f,0.0f,0.0f,0.0f), cprev=float4(0.0f,0.0f,0.0f,0.0f);\n"
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||||
"\tfloat4 crastemp=float4(0.0f,0.0f,0.0f,0.0f),ckonsttemp=float4(0.0f,0.0f,0.0f,0.0f);\n\n");
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||||
WRITE(p, " float4 c0 = " I_COLORS"[1], c1 = " I_COLORS"[2], c2 = " I_COLORS"[3], prev = float4(0.0f, 0.0f, 0.0f, 0.0f), textemp = float4(0.0f, 0.0f, 0.0f, 0.0f), rastemp = float4(0.0f, 0.0f, 0.0f, 0.0f), konsttemp = float4(0.0f, 0.0f, 0.0f, 0.0f);\n"
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||||
" float3 comp16 = float3(1.0f, 255.0f, 0.0f), comp24 = float3(1.0f, 255.0f, 255.0f*255.0f);\n"
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||||
" float4 alphabump=float4(0.0f,0.0f,0.0f,0.0f);\n"
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||||
" float3 tevcoord=float3(0.0f, 0.0f, 0.0f);\n"
|
||||
" float2 wrappedcoord=float2(0.0f,0.0f), tempcoord=float2(0.0f,0.0f);\n"
|
||||
" float4 cc0=float4(0.0f,0.0f,0.0f,0.0f), cc1=float4(0.0f,0.0f,0.0f,0.0f);\n"
|
||||
" float4 cc2=float4(0.0f,0.0f,0.0f,0.0f), cprev=float4(0.0f,0.0f,0.0f,0.0f);\n"
|
||||
" float4 crastemp=float4(0.0f,0.0f,0.0f,0.0f),ckonsttemp=float4(0.0f,0.0f,0.0f,0.0f);\n\n");
|
||||
|
||||
if (g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting)
|
||||
{
|
||||
@ -874,34 +820,26 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType
|
||||
if(RegisterStates[0].AlphaNeedOverflowControl || RegisterStates[0].ColorNeedOverflowControl)
|
||||
WRITE(p, "\tprev = frac(prev * (255.0f/256.0f)) * (256.0f/255.0f);\n");
|
||||
|
||||
if(Pretest == -1)
|
||||
{
|
||||
AlphaTest::TEST_RESULT Pretest = bpmem.alpha_test.TestResult();
|
||||
if (Pretest == AlphaTest::UNDETERMINED)
|
||||
WriteAlphaTest(p, ApiType, dstAlphaMode);
|
||||
}
|
||||
|
||||
if((bpmem.fog.c_proj_fsel.fsel != 0) || DepthTextureEnable)
|
||||
{
|
||||
// the screen space depth value = far z + (clip z / clip w) * z range
|
||||
WRITE(p, "\tfloat zCoord = " I_ZBIAS"[1].x + (clipPos.z / clipPos.w) * " I_ZBIAS"[1].y;\n");
|
||||
}
|
||||
// the screen space depth value = far z + (clip z / clip w) * z range
|
||||
WRITE(p, "float zCoord = " I_ZBIAS"[1].x + (clipPos.z / clipPos.w) * " I_ZBIAS"[1].y;\n");
|
||||
|
||||
if (DepthTextureEnable)
|
||||
// Note: depth textures are disabled if early depth test is enabled
|
||||
if (bpmem.ztex2.op != ZTEXTURE_DISABLE && !bpmem.zcontrol.early_ztest && bpmem.zmode.testenable)
|
||||
{
|
||||
// use the texture input of the last texture stage (textemp), hopefully this has been read and is in correct format...
|
||||
if (bpmem.ztex2.op != ZTEXTURE_DISABLE && !bpmem.zcontrol.zcomploc && bpmem.zmode.testenable && bpmem.zmode.updateenable)
|
||||
{
|
||||
if (bpmem.ztex2.op == ZTEXTURE_ADD)
|
||||
WRITE(p, "\tzCoord = dot(" I_ZBIAS"[0].xyzw, textemp.xyzw) + " I_ZBIAS"[1].w + zCoord;\n");
|
||||
else
|
||||
WRITE(p, "\tzCoord = dot(" I_ZBIAS"[0].xyzw, textemp.xyzw) + " I_ZBIAS"[1].w;\n");
|
||||
WRITE(p, "zCoord = dot(" I_ZBIAS"[0].xyzw, textemp.xyzw) + " I_ZBIAS"[1].w %s;\n",
|
||||
(bpmem.ztex2.op == ZTEXTURE_ADD) ? "+ zCoord" : "");
|
||||
|
||||
// scale to make result from frac correct
|
||||
WRITE(p, "\tzCoord = zCoord * (16777215.0f/16777216.0f);\n");
|
||||
WRITE(p, "\tzCoord = frac(zCoord);\n");
|
||||
WRITE(p, "\tzCoord = zCoord * (16777216.0f/16777215.0f);\n");
|
||||
}
|
||||
WRITE(p, "\tdepth = zCoord;\n");
|
||||
// scale to make result from frac correct
|
||||
WRITE(p, "zCoord = zCoord * (16777215.0f/16777216.0f);\n");
|
||||
WRITE(p, "zCoord = frac(zCoord);\n");
|
||||
WRITE(p, "zCoord = zCoord * (16777216.0f/16777215.0f);\n");
|
||||
}
|
||||
WRITE(p, "depth = zCoord;\n");
|
||||
|
||||
if (dstAlphaMode == DSTALPHA_ALPHA_PASS)
|
||||
WRITE(p, "\tocol0 = float4(prev.rgb, " I_ALPHA"[0].a);\n");
|
||||
@ -923,8 +861,7 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType
|
||||
|
||||
if (ApiType == API_OPENGL)
|
||||
{
|
||||
if (DepthTextureEnable)
|
||||
WRITE(p, "\tgl_FragDepth = depth;\n");
|
||||
WRITE(p, "\tgl_FragDepth = depth;\n");
|
||||
}
|
||||
WRITE(p, "}\n");
|
||||
if (text[sizeof(text) - 1] != 0x7C)
|
||||
@ -1316,39 +1253,6 @@ static const char *tevAlphaFunclogicTable[] =
|
||||
" != ", // xor
|
||||
" == " // xnor
|
||||
};
|
||||
static int AlphaPreTest()
|
||||
{
|
||||
u32 op = bpmem.alphaFunc.logic;
|
||||
u32 comp[2] = {bpmem.alphaFunc.comp0, bpmem.alphaFunc.comp1};
|
||||
|
||||
// First kill all the simple cases
|
||||
switch(op)
|
||||
{
|
||||
case 0: // AND
|
||||
if (comp[0] == ALPHACMP_ALWAYS && comp[1] == ALPHACMP_ALWAYS) return true;
|
||||
if (comp[0] == ALPHACMP_NEVER || comp[1] == ALPHACMP_NEVER) return false;
|
||||
break;
|
||||
case 1: // OR
|
||||
if (comp[0] == ALPHACMP_ALWAYS || comp[1] == ALPHACMP_ALWAYS) return true;
|
||||
if (comp[0] == ALPHACMP_NEVER && comp[1] == ALPHACMP_NEVER)return false;
|
||||
break;
|
||||
case 2: // XOR
|
||||
if ((comp[0] == ALPHACMP_ALWAYS && comp[1] == ALPHACMP_NEVER) || (comp[0] == ALPHACMP_NEVER && comp[1] == ALPHACMP_ALWAYS))
|
||||
return true;
|
||||
if ((comp[0] == ALPHACMP_ALWAYS && comp[1] == ALPHACMP_ALWAYS) || (comp[0] == ALPHACMP_NEVER && comp[1] == ALPHACMP_NEVER))
|
||||
return false;
|
||||
break;
|
||||
case 3: // XNOR
|
||||
if ((comp[0] == ALPHACMP_ALWAYS && comp[1] == ALPHACMP_NEVER) || (comp[0] == ALPHACMP_NEVER && comp[1] == ALPHACMP_ALWAYS))
|
||||
return false;
|
||||
if ((comp[0] == ALPHACMP_ALWAYS && comp[1] == ALPHACMP_ALWAYS) || (comp[0] == ALPHACMP_NEVER && comp[1] == ALPHACMP_NEVER))
|
||||
return true;
|
||||
break;
|
||||
default: PanicAlert("bad logic for alpha test? %08x", op);
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
static void WriteAlphaTest(char *&p, API_TYPE ApiType,DSTALPHA_MODE dstAlphaMode)
|
||||
{
|
||||
@ -1362,41 +1266,38 @@ static void WriteAlphaTest(char *&p, API_TYPE ApiType,DSTALPHA_MODE dstAlphaMode
|
||||
// using discard then return works the same in cg and dx9 but not in dx11
|
||||
WRITE(p, "\tif(!( ");
|
||||
|
||||
int compindex = bpmem.alphaFunc.comp0 % 8;
|
||||
int compindex = bpmem.alpha_test.comp0;
|
||||
WRITE(p, tevAlphaFuncsTable[compindex],alphaRef[0]);//lookup the first component from the alpha function table
|
||||
|
||||
WRITE(p, "%s", tevAlphaFunclogicTable[bpmem.alphaFunc.logic % 4]);//lookup the logic op
|
||||
WRITE(p, "%s", tevAlphaFunclogicTable[bpmem.alpha_test.logic]);//lookup the logic op
|
||||
|
||||
compindex = bpmem.alphaFunc.comp1 % 8;
|
||||
compindex = bpmem.alpha_test.comp1;
|
||||
WRITE(p, tevAlphaFuncsTable[compindex],alphaRef[1]);//lookup the second component from the alpha function table
|
||||
WRITE(p, ")) {\n");
|
||||
|
||||
WRITE(p, "\t\tocol0 = float4(0.0f, 0.0f, 0.0f, 0.0f);\n");
|
||||
if (dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND)
|
||||
WRITE(p, "\t\tocol1 = float4(0.0f, 0.0f, 0.0f, 0.0f);\n");
|
||||
if (DepthTextureEnable)
|
||||
WRITE(p, "\t\tdepth = 1.f;\n");
|
||||
WRITE(p, "depth = 1.f;\n");
|
||||
|
||||
// HAXX: zcomploc is a way to control whether depth test is done before
|
||||
// or after texturing and alpha test. PC GPU does depth test before texturing ONLY if depth value is
|
||||
// not updated during shader execution.
|
||||
// HAXX: zcomploc (aka early_ztest) is a way to control whether depth test is done before
|
||||
// or after texturing and alpha test. PC GPUs have no way to support this
|
||||
// feature properly as of 2012: depth buffer and depth test are not
|
||||
// programmable and the depth test is always done after texturing.
|
||||
// Most importantly, PC GPUs do not allow writing to the z buffer without
|
||||
// writing a color value (unless color writing is disabled altogether).
|
||||
// We implement "depth test before texturing" by discarding the fragment
|
||||
// when the alpha test fail. This is not a correct implementation because
|
||||
// even if the depth test fails the fragment could be alpha blended.
|
||||
// this implemnetation is a trick to keep speed.
|
||||
// the correct, but slow, way to implement a correct zComploc is :
|
||||
// 1 - if zcomplock is enebled make a first pass, with color channel write disabled updating only
|
||||
// depth channel.
|
||||
// 2 - in the next pass disable depth chanel update, but proccess the color data normally
|
||||
// this way is the only CORRECT way to emulate perfectly the zcomplock behaviour
|
||||
if (!(bpmem.zcontrol.zcomploc && bpmem.zmode.updateenable))
|
||||
// even if the depth test fails the fragment could be alpha blended, but
|
||||
// we don't have a choice.
|
||||
if (!(bpmem.zcontrol.early_ztest && bpmem.zmode.updateenable))
|
||||
{
|
||||
WRITE(p, "\t\tdiscard;\n");
|
||||
if (ApiType != API_D3D11)
|
||||
WRITE(p, "\t\treturn;\n");
|
||||
}
|
||||
|
||||
WRITE(p, "\t}\n");
|
||||
WRITE(p, "}\n");
|
||||
}
|
||||
|
||||
static const char *tevFogFuncsTable[] =
|
||||
|
||||
Reference in New Issue
Block a user