diff options
Diffstat (limited to 'Source/Plugins/Plugin_VideoOGL/Src/TextureConversionShader.cpp')
| -rw-r--r-- | Source/Plugins/Plugin_VideoOGL/Src/TextureConversionShader.cpp | 738 |
1 files changed, 0 insertions, 738 deletions
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/TextureConversionShader.cpp b/Source/Plugins/Plugin_VideoOGL/Src/TextureConversionShader.cpp deleted file mode 100644 index b66feeeab3..0000000000 --- a/Source/Plugins/Plugin_VideoOGL/Src/TextureConversionShader.cpp +++ /dev/null @@ -1,738 +0,0 @@ -// Copyright (C) 2003-2000 Dolphin Project. - -// This program is free software: you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation, version 2.0. - -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License 2.0 for more details. - -// A copy of the GPL 2.0 should have been included with the program. -// If not, see http://www.gnu.org/licenses/ - -// Official SVN repository and contact information can be found at -// http://code.google.com/p/dolphin-emu/ - - -#include "TextureConversionShader.h" -#include "TextureDecoder.h" -#include "PixelShaderManager.h" -#include "PixelShaderGen.h" -#include "BPMemory.h" - -#include <stdio.h> -#include <math.h> -#include "Common.h" - -#define WRITE p+=sprintf - -static char text[16384]; - -namespace TextureConversionShader -{ - - -u16 GetEncodedSampleCount(u32 format) -{ - switch (format) { - case GX_TF_I4: return 8; - case GX_TF_I8: return 4; - case GX_TF_IA4: return 4; - case GX_TF_IA8: return 2; - case GX_TF_RGB565: return 2; - case GX_TF_RGB5A3: return 2; - case GX_TF_RGBA8: return 1; - case GX_CTF_R4: return 8; - case GX_CTF_RA4: return 4; - case GX_CTF_RA8: return 2; - case GX_CTF_A8: return 4; - case GX_CTF_R8: return 4; - case GX_CTF_G8: return 4; - case GX_CTF_B8: return 4; - case GX_CTF_RG8: return 2; - case GX_CTF_GB8: return 2; - case GX_TF_Z8: return 4; - case GX_TF_Z16: return 2; - case GX_TF_Z24X8: return 1; - case GX_CTF_Z4: return 8; - case GX_CTF_Z8M: return 4; - case GX_CTF_Z8L: return 4; - case GX_CTF_Z16L: return 2; - default: return 1; - } -} - -// block dimensions : widthStride, heightStride -// texture dims : width, height, x offset, y offset -void WriteSwizzler(char*& p, u32 format) -{ - WRITE(p, "uniform float4 blkDims : register(c%d);\n", C_COLORMATRIX); - WRITE(p, "uniform float4 textureDims : register(c%d);\n", C_COLORMATRIX + 1); - - float blkW = (float)TexDecoder_GetBlockWidthInTexels(format); - float blkH = (float)TexDecoder_GetBlockHeightInTexels(format); - float samples = (float)GetEncodedSampleCount(format); - - WRITE(p, - "uniform samplerRECT samp0 : register(s0);\n" - "void main(\n" - " out float4 ocol0 : COLOR0,\n" - " in float2 uv0 : TEXCOORD0)\n" - "{\n" - " float2 sampleUv;\n" - " float2 uv1 = floor(uv0);\n"); - - WRITE(p, " uv1.x = uv1.x * %f;\n", samples); - - WRITE(p, " float xl = floor(uv1.x / %f);\n", blkW); - WRITE(p, " float xib = uv1.x - (xl * %f);\n", blkW); - WRITE(p, " float yl = floor(uv1.y / %f);\n", blkH); - WRITE(p, " float yb = yl * %f;\n", blkH); - WRITE(p, " float yoff = uv1.y - yb;\n"); - WRITE(p, " float xp = uv1.x + (yoff * textureDims.x);\n"); - WRITE(p, " float xel = floor(xp / %f);\n", blkW); - WRITE(p, " float xb = floor(xel / %f);\n", blkH); - WRITE(p, " float xoff = xel - (xb * %f);\n", blkH); - - WRITE(p, " sampleUv.x = xib + (xb * %f);\n", blkW); - WRITE(p, " sampleUv.y = yb + xoff;\n"); - - WRITE(p, " sampleUv = sampleUv * blkDims.xy;\n" - " sampleUv.y = textureDims.y - sampleUv.y;\n" - - " sampleUv.x = sampleUv.x + textureDims.z;\n" - " sampleUv.y = sampleUv.y + textureDims.w;\n"); -} - -// block dimensions : widthStride, heightStride -// texture dims : width, height, x offset, y offset -void Write32BitSwizzler(char*& p, u32 format) -{ - WRITE(p, "uniform float4 blkDims : register(c%d);\n", C_COLORMATRIX); - WRITE(p, "uniform float4 textureDims : register(c%d);\n", C_COLORMATRIX + 1); - - float blkW = (float)TexDecoder_GetBlockWidthInTexels(format); - float blkH = (float)TexDecoder_GetBlockHeightInTexels(format); - - // 32 bit textures (RGBA8 and Z24) are store in 2 cache line increments - - WRITE(p, - "uniform samplerRECT samp0 : register(s0);\n" - "void main(\n" - " out float4 ocol0 : COLOR0,\n" - " in float2 uv0 : TEXCOORD0)\n" - "{\n" - " float2 sampleUv;\n" - " float2 uv1 = floor(uv0);\n"); - - WRITE(p, " float yl = floor(uv1.y / %f);\n", blkH); - WRITE(p, " float yb = yl * %f;\n", blkH); - WRITE(p, " float yoff = uv1.y - yb;\n"); - WRITE(p, " float xp = uv1.x + (yoff * textureDims.x);\n"); - WRITE(p, " float xel = floor(xp / 2);\n"); - WRITE(p, " float xb = floor(xel / %f);\n", blkH); - WRITE(p, " float xoff = xel - (xb * %f);\n", blkH); - - WRITE(p, " float x2 = uv1.x * 2;\n"); - WRITE(p, " float xl = floor(x2 / %f);\n", blkW); - WRITE(p, " float xib = x2 - (xl * %f);\n", blkW); - WRITE(p, " float halfxb = floor(xb / 2);\n"); - - - WRITE(p, " sampleUv.x = xib + (halfxb * %f);\n", blkW); - WRITE(p, " sampleUv.y = yb + xoff;\n"); - WRITE(p, " sampleUv = sampleUv * blkDims.xy;\n"); - WRITE(p, " sampleUv.y = textureDims.y - sampleUv.y;\n"); - - WRITE(p, " sampleUv.x = sampleUv.x + textureDims.z;\n"); - WRITE(p, " sampleUv.y = sampleUv.y + textureDims.w;\n"); -} - -void WriteSampleColor(char*& p, const char* colorComp, const char* dest) -{ - WRITE(p, " %s = texRECT(samp0, sampleUv).%s;\n", dest, colorComp); -} - -void WriteColorToIntensity(char*& p, const char* src, const char* dest) -{ - WRITE(p, " %s = (0.257f * %s.r) + (0.504f * %s.g) + (0.098f * %s.b) + 0.0625f;\n", dest, src, src, src); -} - -void WriteIncrementSampleX(char*& p) -{ - WRITE(p, " sampleUv.x = sampleUv.x + blkDims.x;\n"); -} - -void WriteToBitDepth(char*& p, u8 depth, const char* src, const char* dest) -{ - float result = pow(2.0f, depth) - 1.0f; - WRITE(p, " %s = floor(%s * %ff);\n", dest, src, result); -} - -void WriteI8Encoder(char* p) -{ - WriteSwizzler(p, GX_TF_I8); - WRITE(p, " float3 texSample;\n"); - - WriteSampleColor(p, "rgb", "texSample"); - WriteColorToIntensity(p, "texSample", "ocol0.b"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, "rgb", "texSample"); - WriteColorToIntensity(p, "texSample", "ocol0.g"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, "rgb", "texSample"); - WriteColorToIntensity(p, "texSample", "ocol0.r"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, "rgb", "texSample"); - WriteColorToIntensity(p, "texSample", "ocol0.a"); - - WRITE(p, "}\n"); -} - -void WriteI4Encoder(char* p) -{ - WriteSwizzler(p, GX_TF_I4); - WRITE(p, " float3 texSample;\n"); - WRITE(p, " float4 color0;\n"); - WRITE(p, " float4 color1;\n"); - - WriteSampleColor(p, "rgb", "texSample"); - WriteColorToIntensity(p, "texSample", "color0.b"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, "rgb", "texSample"); - WriteColorToIntensity(p, "texSample", "color1.b"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, "rgb", "texSample"); - WriteColorToIntensity(p, "texSample", "color0.g"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, "rgb", "texSample"); - WriteColorToIntensity(p, "texSample", "color1.g"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, "rgb", "texSample"); - WriteColorToIntensity(p, "texSample", "color0.r"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, "rgb", "texSample"); - WriteColorToIntensity(p, "texSample", "color1.r"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, "rgb", "texSample"); - WriteColorToIntensity(p, "texSample", "color0.a"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, "rgb", "texSample"); - WriteColorToIntensity(p, "texSample", "color1.a"); - - WriteToBitDepth(p, 4, "color0", "color0"); - WriteToBitDepth(p, 4, "color1", "color1"); - - WRITE(p, " ocol0 = (color0 * 16.0f + color1) / 255.0f;\n"); - WRITE(p, "}\n"); -} - -void WriteIA8Encoder(char* p) -{ - WriteSwizzler(p, GX_TF_IA8); - WRITE(p, " float4 texSample;\n"); - - WriteSampleColor(p, "rgba", "texSample"); - WRITE(p, " ocol0.b = texSample.a;\n"); - WriteColorToIntensity(p, "texSample", "ocol0.g"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, "rgba", "texSample"); - WRITE(p, " ocol0.r = texSample.a;\n"); - WriteColorToIntensity(p, "texSample", "ocol0.a"); - - WRITE(p, "}\n"); -} - -void WriteIA4Encoder(char* p) -{ - WriteSwizzler(p, GX_TF_IA4); - WRITE(p, " float4 texSample;\n"); - WRITE(p, " float4 color0;\n"); - WRITE(p, " float4 color1;\n"); - - WriteSampleColor(p, "rgba", "texSample"); - WRITE(p, " color0.b = texSample.a;\n"); - WriteColorToIntensity(p, "texSample", "color1.b"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, "rgba", "texSample"); - WRITE(p, " color0.g = texSample.a;\n"); - WriteColorToIntensity(p, "texSample", "color1.g"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, "rgba", "texSample"); - WRITE(p, " color0.r = texSample.a;\n"); - WriteColorToIntensity(p, "texSample", "color1.r"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, "rgba", "texSample"); - WRITE(p, " color0.a = texSample.a;\n"); - WriteColorToIntensity(p, "texSample", "color1.a"); - - WriteToBitDepth(p, 4, "color0", "color0"); - WriteToBitDepth(p, 4, "color1", "color1"); - - WRITE(p, " ocol0 = (color0 * 16.0f + color1) / 255.0f;\n"); - WRITE(p, "}\n"); -} - -void WriteRGB565Encoder(char* p) -{ - WriteSwizzler(p, GX_TF_RGB565); - - WRITE(p, " float3 texSample;\n"); - WRITE(p, " float gInt;\n"); - WRITE(p, " float gUpper;\n"); - WRITE(p, " float gLower;\n"); - - WriteSampleColor(p, "rgb", "texSample"); - WriteToBitDepth(p, 6, "texSample.g", "gInt"); - WRITE(p, " gUpper = floor(gInt / 8.0f);\n"); - WRITE(p, " gLower = gInt - gUpper * 8.0f;\n"); - - WriteToBitDepth(p, 5, "texSample.r", "ocol0.b"); - WRITE(p, " ocol0.b = ocol0.b * 8.0f + gUpper;\n"); - WriteToBitDepth(p, 5, "texSample.b", "ocol0.g"); - WRITE(p, " ocol0.g = ocol0.g + gLower * 32.0f;\n"); - - WriteIncrementSampleX(p); - - WriteSampleColor(p, "rgb", "texSample"); - WriteToBitDepth(p, 6, "texSample.g", "gInt"); - WRITE(p, " gUpper = floor(gInt / 8.0f);\n"); - WRITE(p, " gLower = gInt - gUpper * 8.0f;\n"); - - WriteToBitDepth(p, 5, "texSample.r", "ocol0.r"); - WRITE(p, " ocol0.r = ocol0.r * 8.0f + gUpper;\n"); - WriteToBitDepth(p, 5, "texSample.b", "ocol0.a"); - WRITE(p, " ocol0.a = ocol0.a + gLower * 32.0f;\n"); - - WRITE(p, " ocol0 = ocol0 / 255.0f;\n"); - WRITE(p, "}\n"); -} - -void WriteRGB5A3Encoder(char* p) -{ - WriteSwizzler(p, GX_TF_RGB5A3); - - WRITE(p, " float4 texSample;\n"); - WRITE(p, " float color0;\n"); - WRITE(p, " float gUpper;\n"); - WRITE(p, " float gLower;\n"); - - WriteSampleColor(p, "rgba", "texSample"); - - // 0.8784 = 224 / 255 which is the maximum alpha value that can be represented in 3 bits - WRITE(p, "if(texSample.a > 0.878f) {\n"); - - WriteToBitDepth(p, 5, "texSample.g", "color0"); - WRITE(p, " gUpper = floor(color0 / 8.0f);\n"); - WRITE(p, " gLower = color0 - gUpper * 8.0f;\n"); - - WriteToBitDepth(p, 5, "texSample.r", "ocol0.b"); - WRITE(p, " ocol0.b = ocol0.b * 4.0f + gUpper + 128.0f;\n"); - WriteToBitDepth(p, 5, "texSample.b", "ocol0.g"); - WRITE(p, " ocol0.g = ocol0.g + gLower * 32.0f;\n"); - - WRITE(p, "} else {\n"); - - WriteToBitDepth(p, 4, "texSample.r", "ocol0.b"); - WriteToBitDepth(p, 4, "texSample.b", "ocol0.g"); - - WriteToBitDepth(p, 3, "texSample.a", "color0"); - WRITE(p, "ocol0.b = ocol0.b + color0 * 16.0f;\n"); - WriteToBitDepth(p, 4, "texSample.g", "color0"); - WRITE(p, "ocol0.g = ocol0.g + color0 * 16.0f;\n"); - - WRITE(p, "}\n"); - - - WriteIncrementSampleX(p); - - WriteSampleColor(p, "rgba", "texSample"); - - WRITE(p, "if(texSample.a > 0.878f) {\n"); - - WriteToBitDepth(p, 5, "texSample.g", "color0"); - WRITE(p, " gUpper = floor(color0 / 8.0f);\n"); - WRITE(p, " gLower = color0 - gUpper * 8.0f;\n"); - - WriteToBitDepth(p, 5, "texSample.r", "ocol0.r"); - WRITE(p, " ocol0.r = ocol0.r * 4.0f + gUpper + 128.0f;\n"); - WriteToBitDepth(p, 5, "texSample.b", "ocol0.a"); - WRITE(p, " ocol0.a = ocol0.a + gLower * 32.0f;\n"); - - WRITE(p, "} else {\n"); - - WriteToBitDepth(p, 4, "texSample.r", "ocol0.r"); - WriteToBitDepth(p, 4, "texSample.b", "ocol0.a"); - - WriteToBitDepth(p, 3, "texSample.a", "color0"); - WRITE(p, "ocol0.r = ocol0.r + color0 * 16.0f;\n"); - WriteToBitDepth(p, 4, "texSample.g", "color0"); - WRITE(p, "ocol0.a = ocol0.a + color0 * 16.0f;\n"); - - WRITE(p, "}\n"); - - WRITE(p, " ocol0 = ocol0 / 255.0f;\n"); - WRITE(p, "}\n"); -} - -void WriteRGBA4443Encoder(char* p) -{ - WriteSwizzler(p, GX_TF_RGB5A3); - - WRITE(p, " float4 texSample;\n"); - WRITE(p, " float4 color0;\n"); - WRITE(p, " float4 color1;\n"); - - WriteSampleColor(p, "rgba", "texSample"); - WriteToBitDepth(p, 3, "texSample.a", "color0.b"); - WriteToBitDepth(p, 4, "texSample.r", "color1.b"); - WriteToBitDepth(p, 4, "texSample.g", "color0.g"); - WriteToBitDepth(p, 4, "texSample.b", "color1.g"); - - WriteIncrementSampleX(p); - - WriteSampleColor(p, "rgba", "texSample"); - WriteToBitDepth(p, 3, "texSample.a", "color0.r"); - WriteToBitDepth(p, 4, "texSample.r", "color1.r"); - WriteToBitDepth(p, 4, "texSample.g", "color0.a"); - WriteToBitDepth(p, 4, "texSample.b", "color1.a"); - - WRITE(p, " ocol0 = (color0 * 16.0f + color1) / 255.0f;\n"); - WRITE(p, "}\n"); -} - -void WriteRGBA8Encoder(char* p) -{ - Write32BitSwizzler(p, GX_TF_RGBA8); - - WRITE(p, " float cl1 = xb - (halfxb * 2);\n"); - WRITE(p, " float cl0 = 1.0f - cl1;\n"); - - WRITE(p, " float4 texSample;\n"); - WRITE(p, " float4 color0;\n"); - WRITE(p, " float4 color1;\n"); - - WriteSampleColor(p, "rgba", "texSample"); - WRITE(p, " color0.b = texSample.a;\n"); - WRITE(p, " color0.g = texSample.r;\n"); - WRITE(p, " color1.b = texSample.g;\n"); - WRITE(p, " color1.g = texSample.b;\n"); - - WriteIncrementSampleX(p); - - WriteSampleColor(p, "rgba", "texSample"); - WRITE(p, " color0.r = texSample.a;\n"); - WRITE(p, " color0.a = texSample.r;\n"); - WRITE(p, " color1.r = texSample.g;\n"); - WRITE(p, " color1.a = texSample.b;\n"); - - WRITE(p, " ocol0 = (cl0 * color0) + (cl1 * color1);\n"); - - WRITE(p, "}\n"); -} - -void WriteC4Encoder(char* p, const char* comp) -{ - WriteSwizzler(p, GX_CTF_R4); - WRITE(p, " float4 color0;\n"); - WRITE(p, " float4 color1;\n"); - - WriteSampleColor(p, comp, "color0.b"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, comp, "color1.b"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, comp, "color0.g"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, comp, "color1.g"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, comp, "color0.r"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, comp, "color1.r"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, comp, "color0.a"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, comp, "color1.a"); - - WriteToBitDepth(p, 4, "color0", "color0"); - WriteToBitDepth(p, 4, "color1", "color1"); - - WRITE(p, " ocol0 = (color0 * 16.0f + color1) / 255.0f;\n"); - WRITE(p, "}\n"); -} - -void WriteC8Encoder(char* p, const char* comp) -{ - WriteSwizzler(p, GX_CTF_R8); - - WriteSampleColor(p, comp, "ocol0.b"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, comp, "ocol0.g"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, comp, "ocol0.r"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, comp, "ocol0.a"); - - WRITE(p, "}\n"); -} - -void WriteCC4Encoder(char* p, const char* comp) -{ - WriteSwizzler(p, GX_CTF_RA4); - WRITE(p, " float2 texSample;\n"); - WRITE(p, " float4 color0;\n"); - WRITE(p, " float4 color1;\n"); - - WriteSampleColor(p, comp, "texSample"); - WRITE(p, " color0.b = texSample.x;\n"); - WRITE(p, " color1.b = texSample.y;\n"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, comp, "texSample"); - WRITE(p, " color0.g = texSample.x;\n"); - WRITE(p, " color1.g = texSample.y;\n"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, comp, "texSample"); - WRITE(p, " color0.r = texSample.x;\n"); - WRITE(p, " color1.r = texSample.y;\n"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, comp, "texSample"); - WRITE(p, " color0.a = texSample.x;\n"); - WRITE(p, " color1.a = texSample.y;\n"); - - WriteToBitDepth(p, 4, "color0", "color0"); - WriteToBitDepth(p, 4, "color1", "color1"); - - WRITE(p, " ocol0 = (color0 * 16.0f + color1) / 255.0f;\n"); - WRITE(p, "}\n"); -} - -void WriteCC8Encoder(char* p, const char* comp) -{ - WriteSwizzler(p, GX_CTF_RA8); - - WriteSampleColor(p, comp, "ocol0.bg"); - WriteIncrementSampleX(p); - - WriteSampleColor(p, comp, "ocol0.ra"); - - WRITE(p, "}\n"); -} - -void WriteZ8Encoder(char* p, const char* multiplier) -{ - WriteSwizzler(p, GX_CTF_Z8M); - - WRITE(p, " float depth;\n"); - - WriteSampleColor(p, "b", "depth"); - WRITE(p, "ocol0.b = frac(depth * %s);\n", multiplier); - WriteIncrementSampleX(p); - - WriteSampleColor(p, "b", "depth"); - WRITE(p, "ocol0.g = frac(depth * %s);\n", multiplier); - WriteIncrementSampleX(p); - - WriteSampleColor(p, "b", "depth"); - WRITE(p, "ocol0.r = frac(depth * %s);\n", multiplier); - WriteIncrementSampleX(p); - - WriteSampleColor(p, "b", "depth"); - WRITE(p, "ocol0.a = frac(depth * %s);\n", multiplier); - - WRITE(p, "}\n"); -} - -void WriteZ16Encoder(char* p) -{ - WriteSwizzler(p, GX_TF_Z16); - - WRITE(p, " float depth;\n"); - - // byte order is reversed - - WriteSampleColor(p, "b", "depth"); - WRITE(p, " ocol0.b = frac(depth * 256.0f);\n"); - WRITE(p, " ocol0.g = depth;\n"); - - WriteIncrementSampleX(p); - - WriteSampleColor(p, "b", "depth"); - WRITE(p, " ocol0.r = frac(depth * 256.0f);\n"); - WRITE(p, " ocol0.a = depth;\n"); - - WRITE(p, "}\n"); -} - -void WriteZ16LEncoder(char* p) -{ - WriteSwizzler(p, GX_CTF_Z16L); - - WRITE(p, " float depth;\n"); - - // byte order is reversed - - WriteSampleColor(p, "b", "depth"); - WRITE(p, " ocol0.b = frac(depth * 65536.0f);\n"); - WRITE(p, " ocol0.g = frac(depth * 256.0f);\n"); - - WriteIncrementSampleX(p); - - WriteSampleColor(p, "b", "depth"); - WRITE(p, " ocol0.r = frac(depth * 65536.0f);\n"); - WRITE(p, " ocol0.a = frac(depth * 256.0f);\n"); - - WRITE(p, "}\n"); -} - -void WriteZ24Encoder(char* p) -{ - Write32BitSwizzler(p, GX_TF_Z24X8); - - WRITE(p, " float cl = xb - (halfxb * 2);\n"); - - WRITE(p, " float depth0;\n"); - WRITE(p, " float depth1;\n"); - - WriteSampleColor(p, "b", "depth0"); - WriteIncrementSampleX(p); - WriteSampleColor(p, "b", "depth1"); - - WRITE(p, " if(cl > 0.5f) {\n"); - // upper 16 - WRITE(p, " ocol0.b = frac(depth0 * 256.0f);\n"); - WRITE(p, " ocol0.g = depth0\n"); - WRITE(p, " ocol0.r = frac(depth1 * 256.0f);\n"); - WRITE(p, " ocol0.a = depth1\n"); - WRITE(p, " } else {\n"); - // lower 8 - WRITE(p, " ocol0.b = 1.0f;\n"); - WRITE(p, " ocol0.g = frac(depth0 * 65536.0f)\n"); - WRITE(p, " ocol0.r = 1.0f);\n"); - WRITE(p, " ocol0.a = frac(depth0 * 65536.0f)\n"); - WRITE(p, " }\n" - "}\n"); -} - -const char *GenerateEncodingShader(u32 format) -{ - text[sizeof(text) - 1] = 0x7C; // canary - - char *p = text; - - switch(format) - { - case GX_TF_I4: - WriteI4Encoder(p); - break; - case GX_TF_I8: - WriteI8Encoder(p); - break; - case GX_TF_IA4: - WriteIA4Encoder(p); - break; - case GX_TF_IA8: - WriteIA8Encoder(p); - break; - case GX_TF_RGB565: - WriteRGB565Encoder(p); - break; - case GX_TF_RGB5A3: - WriteRGB5A3Encoder(p); - break; - case GX_TF_RGBA8: - WriteRGBA8Encoder(p); - break; - case GX_CTF_R4: - WriteC4Encoder(p, "r"); - break; - case GX_CTF_RA4: - WriteCC4Encoder(p, "ar"); - break; - case GX_CTF_RA8: - WriteCC8Encoder(p, "ar"); - break; - case GX_CTF_A8: - WriteC8Encoder(p, "a"); - break; - case GX_CTF_R8: - WriteC8Encoder(p, "r"); - break; - case GX_CTF_G8: - WriteC8Encoder(p, "g"); - break; - case GX_CTF_B8: - WriteC8Encoder(p, "b"); - break; - case GX_CTF_RG8: - WriteCC8Encoder(p, "rg"); - break; - case GX_CTF_GB8: - WriteCC8Encoder(p, "gb"); - break; - case GX_TF_Z8: - WriteC8Encoder(p, "b"); - break; - case GX_TF_Z16: - WriteZ16Encoder(p); - break; - case GX_TF_Z24X8: - WriteZ24Encoder(p); - break; - case GX_CTF_Z4: - WriteC4Encoder(p, "b"); - break; - case GX_CTF_Z8M: - WriteZ8Encoder(p, "256.0f"); - break; - case GX_CTF_Z8L: - WriteZ8Encoder(p, "65536.0f" ); - break; - case GX_CTF_Z16L: - WriteZ16LEncoder(p); - break; - default: - PanicAlert("Unknown texture copy format: 0x%x\n", format); - break; - } - - if (text[sizeof(text) - 1] != 0x7C) - PanicAlert("TextureConversionShader generator - buffer too small, canary has been eaten!"); - - return text; -} - -void SetShaderParameters(float width, float height, float offsetX, float offsetY, float widthStride, float heightStride) -{ - SetPSConstant4f(C_COLORMATRIX, widthStride, heightStride, 0.0f, 0.0f); - SetPSConstant4f(C_COLORMATRIX + 1, width, (height - 1), offsetX, offsetY); -} - -} // namespace |