Remove unnecessary Src/ folders

1 files changed, 703 insertions, 0 deletions

diff --git a/Source/Core/VideoCommon/TextureConversionShader.cpp b/Source/Core/VideoCommon/TextureConversionShader.cpp
new file mode 100644
index 0000000000..f271111851
--- /dev/null
+++ b/Source/Core/VideoCommon/TextureConversionShader.cpp
@@ -0,0 +1,703 @@
+// Copyright 2013 Dolphin Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+
+#include <stdio.h>
+#include <math.h>
+#include <locale.h>
+#ifdef __APPLE__
+	#include <xlocale.h>
+#endif
+
+#include "TextureConversionShader.h"
+#include "TextureDecoder.h"
+#include "PixelShaderGen.h"
+#include "BPMemory.h"
+#include "RenderBase.h"
+#include "VideoConfig.h"
+
+#define WRITE p+=sprintf
+
+static char text[16384];
+static bool IntensityConstantAdded =  false;
+
+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, API_TYPE ApiType)
+{
+	// left, top, of source rectangle within source texture
+	// width of the destination rectangle, scale_factor (1 or 2)
+	WRITE(p, "uniform int4 " I_COLORS";\n");
+
+	int blkW = TexDecoder_GetBlockWidthInTexels(format);
+	int blkH = TexDecoder_GetBlockHeightInTexels(format);
+	int samples = GetEncodedSampleCount(format);
+	// 32 bit textures (RGBA8 and Z24) are store in 2 cache line increments
+	int factor = samples == 1 ? 2 : 1;
+	if (ApiType == API_OPENGL)
+	{
+		WRITE(p, "#define samp0 samp9\n");
+		WRITE(p, "uniform sampler2D samp0;\n");
+
+		WRITE(p, "  out vec4 ocol0;\n");
+		WRITE(p, "void main()\n");
+	}
+	else // D3D
+	{
+		WRITE(p,"sampler samp0 : register(s0);\n");
+		WRITE(p, "Texture2D Tex0 : register(t0);\n");
+
+		WRITE(p,"void main(\n");
+		WRITE(p,"  out float4 ocol0 : SV_Target)\n");
+	}
+
+	WRITE(p, "{\n"
+	"  int2 sampleUv;\n"
+	"  int2 uv1 = int2(gl_FragCoord.xy);\n"
+	"  float2 uv0 = float2(0.0, 0.0);\n"
+	);
+
+	WRITE(p, "  uv1.x = uv1.x * %d;\n", samples);
+
+	WRITE(p, "  int yl = uv1.y / %d;\n", blkH);
+	WRITE(p, "  int yb = yl * %d;\n", blkH);
+	WRITE(p, "  int yoff = uv1.y - yb;\n");
+	WRITE(p, "  int xp = uv1.x + yoff * " I_COLORS".z;\n");
+	WRITE(p, "  int xel = xp / %d;\n", samples == 1 ? factor : blkW);
+	WRITE(p, "  int xb = xel / %d;\n", blkH);
+	WRITE(p, "  int xoff = xel - xb * %d;\n", blkH);
+	WRITE(p, "  int xl =  uv1.x * %d / %d;\n", factor, blkW);
+	WRITE(p, "  int xib = uv1.x * %d - xl * %d;\n", factor, blkW);
+	WRITE(p, "  int halfxb = xb / %d;\n", factor);
+
+	WRITE(p, "  sampleUv.x = xib + halfxb * %d;\n", blkW);
+	WRITE(p, "  sampleUv.y = yb + xoff;\n");
+}
+
+void WriteSampleColor(char*& p, const char* colorComp, const char* dest, int xoffset, API_TYPE ApiType)
+{
+	WRITE(p,                                       // sampleUv is the sample position in (int)gx_coords
+		"uv0 = float2(sampleUv + int2(%d, 0)"  // pixel offset (if more than one pixel is samped)
+		" + " I_COLORS".xy);\n"                // move to copyed rect
+		"uv0 += float2(0.5, 0.5);\n"           // move to center of pixel
+		"uv0 *= float(" I_COLORS".w);\n"       // scale by two if needed (this will move to pixels border to filter linear)
+		"uv0 /= float2(%d, %d);\n"             // normlize to [0:1]
+		"uv0.y = 1.0-uv0.y;\n"                 // ogl foo (disable this line for d3d)
+		"%s = texture(samp0, uv0).%s;\n",
+		xoffset, EFB_WIDTH, EFB_HEIGHT, dest, colorComp
+	);
+}
+
+void WriteColorToIntensity(char*& p, const char* src, const char* dest)
+{
+	if (!IntensityConstantAdded)
+	{
+		WRITE(p, "  float4 IntensityConst = float4(0.257f,0.504f,0.098f,0.0625f);\n");
+		IntensityConstantAdded = true;
+	}
+	WRITE(p, "  %s = dot(IntensityConst.rgb, %s.rgb);\n", dest, src);
+	// don't add IntensityConst.a yet, because doing it later is faster and uses less instructions, due to vectorization
+}
+
+void WriteToBitDepth(char*& p, u8 depth, const char* src, const char* dest)
+{
+	WRITE(p, "  %s = floor(%s * 255.0 / exp2(8.0 - %d.0));\n", dest, src, depth);
+}
+
+void WriteEncoderEnd(char* p, API_TYPE ApiType)
+{
+	WRITE(p, "}\n");
+	IntensityConstantAdded = false;
+}
+
+void WriteI8Encoder(char* p, API_TYPE ApiType)
+{
+	WriteSwizzler(p, GX_TF_I8, ApiType);
+	WRITE(p, "  float3 texSample;\n");
+
+	WriteSampleColor(p, "rgb", "texSample", 0, ApiType);
+	WriteColorToIntensity(p, "texSample", "ocol0.b");
+
+	WriteSampleColor(p, "rgb", "texSample", 1, ApiType);
+	WriteColorToIntensity(p, "texSample", "ocol0.g");
+
+	WriteSampleColor(p, "rgb", "texSample", 2, ApiType);
+	WriteColorToIntensity(p, "texSample", "ocol0.r");
+
+	WriteSampleColor(p, "rgb", "texSample", 3, ApiType);
+	WriteColorToIntensity(p, "texSample", "ocol0.a");
+
+	WRITE(p, "  ocol0.rgba += IntensityConst.aaaa;\n"); // see WriteColorToIntensity
+
+	WriteEncoderEnd(p, ApiType);
+}
+
+void WriteI4Encoder(char* p, API_TYPE ApiType)
+{
+	WriteSwizzler(p, GX_TF_I4, ApiType);
+	WRITE(p, "  float3 texSample;\n");
+	WRITE(p, "  float4 color0;\n");
+	WRITE(p, "  float4 color1;\n");
+
+	WriteSampleColor(p, "rgb", "texSample", 0, ApiType);
+	WriteColorToIntensity(p, "texSample", "color0.b");
+
+	WriteSampleColor(p, "rgb", "texSample", 1, ApiType);
+	WriteColorToIntensity(p, "texSample", "color1.b");
+
+	WriteSampleColor(p, "rgb", "texSample", 2, ApiType);
+	WriteColorToIntensity(p, "texSample", "color0.g");
+
+	WriteSampleColor(p, "rgb", "texSample", 3, ApiType);
+	WriteColorToIntensity(p, "texSample", "color1.g");
+
+	WriteSampleColor(p, "rgb", "texSample", 4, ApiType);
+	WriteColorToIntensity(p, "texSample", "color0.r");
+
+	WriteSampleColor(p, "rgb", "texSample", 5, ApiType);
+	WriteColorToIntensity(p, "texSample", "color1.r");
+
+	WriteSampleColor(p, "rgb", "texSample", 6, ApiType);
+	WriteColorToIntensity(p, "texSample", "color0.a");
+
+	WriteSampleColor(p, "rgb", "texSample", 7, ApiType);
+	WriteColorToIntensity(p, "texSample", "color1.a");
+
+	WRITE(p, "  color0.rgba += IntensityConst.aaaa;\n");
+	WRITE(p, "  color1.rgba += IntensityConst.aaaa;\n");
+
+	WriteToBitDepth(p, 4, "color0", "color0");
+	WriteToBitDepth(p, 4, "color1", "color1");
+
+	WRITE(p, "  ocol0 = (color0 * 16.0 + color1) / 255.0;\n");
+	WriteEncoderEnd(p, ApiType);
+}
+
+void WriteIA8Encoder(char* p,API_TYPE ApiType)
+{
+	WriteSwizzler(p, GX_TF_IA8, ApiType);
+	WRITE(p, "  float4 texSample;\n");
+
+	WriteSampleColor(p, "rgba", "texSample", 0, ApiType);
+	WRITE(p, "  ocol0.b = texSample.a;\n");
+	WriteColorToIntensity(p, "texSample", "ocol0.g");
+
+	WriteSampleColor(p, "rgba", "texSample", 1, ApiType);
+	WRITE(p, "  ocol0.r = texSample.a;\n");
+	WriteColorToIntensity(p, "texSample", "ocol0.a");
+
+	WRITE(p, "  ocol0.ga += IntensityConst.aa;\n");
+
+	WriteEncoderEnd(p, ApiType);
+}
+
+void WriteIA4Encoder(char* p,API_TYPE ApiType)
+{
+	WriteSwizzler(p, GX_TF_IA4, ApiType);
+	WRITE(p, "  float4 texSample;\n");
+	WRITE(p, "  float4 color0;\n");
+	WRITE(p, "  float4 color1;\n");
+
+	WriteSampleColor(p, "rgba", "texSample", 0, ApiType);
+	WRITE(p, "  color0.b = texSample.a;\n");
+	WriteColorToIntensity(p, "texSample", "color1.b");
+
+	WriteSampleColor(p, "rgba", "texSample", 1, ApiType);
+	WRITE(p, "  color0.g = texSample.a;\n");
+	WriteColorToIntensity(p, "texSample", "color1.g");
+
+	WriteSampleColor(p, "rgba", "texSample", 2, ApiType);
+	WRITE(p, "  color0.r = texSample.a;\n");
+	WriteColorToIntensity(p, "texSample", "color1.r");
+
+	WriteSampleColor(p, "rgba", "texSample", 3, ApiType);
+	WRITE(p, "  color0.a = texSample.a;\n");
+	WriteColorToIntensity(p, "texSample", "color1.a");
+
+	WRITE(p, "  color1.rgba += IntensityConst.aaaa;\n");
+
+	WriteToBitDepth(p, 4, "color0", "color0");
+	WriteToBitDepth(p, 4, "color1", "color1");
+
+	WRITE(p, "  ocol0 = (color0 * 16.0 + color1) / 255.0;\n");
+	WriteEncoderEnd(p, ApiType);
+}
+
+void WriteRGB565Encoder(char* p,API_TYPE ApiType)
+{
+	WriteSwizzler(p, GX_TF_RGB565, ApiType);
+
+	WriteSampleColor(p, "rgb", "float3 texSample0", 0, ApiType);
+	WriteSampleColor(p, "rgb", "float3 texSample1", 1, ApiType);
+	WRITE(p, "  float2 texRs = float2(texSample0.r, texSample1.r);\n");
+	WRITE(p, "  float2 texGs = float2(texSample0.g, texSample1.g);\n");
+	WRITE(p, "  float2 texBs = float2(texSample0.b, texSample1.b);\n");
+
+	WriteToBitDepth(p, 6, "texGs", "float2 gInt");
+	WRITE(p, "  float2 gUpper = floor(gInt / 8.0);\n");
+	WRITE(p, "  float2 gLower = gInt - gUpper * 8.0;\n");
+
+	WriteToBitDepth(p, 5, "texRs", "ocol0.br");
+	WRITE(p, "  ocol0.br = ocol0.br * 8.0 + gUpper;\n");
+	WriteToBitDepth(p, 5, "texBs", "ocol0.ga");
+	WRITE(p, "  ocol0.ga = ocol0.ga + gLower * 32.0;\n");
+
+	WRITE(p, "  ocol0 = ocol0 / 255.0;\n");
+	WriteEncoderEnd(p, ApiType);
+}
+
+void WriteRGB5A3Encoder(char* p,API_TYPE ApiType)
+{
+	WriteSwizzler(p, GX_TF_RGB5A3, ApiType);
+
+	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, ApiType);
+
+	// 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 / 8.0);\n");
+	WRITE(p, "  gLower = color0 - gUpper * 8.0;\n");
+
+	WriteToBitDepth(p, 5, "texSample.r", "ocol0.b");
+	WRITE(p, "  ocol0.b = ocol0.b * 4.0 + gUpper + 128.0;\n");
+	WriteToBitDepth(p, 5, "texSample.b", "ocol0.g");
+	WRITE(p, "  ocol0.g = ocol0.g + gLower * 32.0;\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 * 16.0;\n");
+	WriteToBitDepth(p, 4, "texSample.g", "color0");
+	WRITE(p, "ocol0.g = ocol0.g + color0 * 16.0;\n");
+
+	WRITE(p, "}\n");
+
+
+
+	WriteSampleColor(p, "rgba", "texSample", 1, ApiType);
+
+	WRITE(p, "if(texSample.a > 0.878f) {\n");
+
+	WriteToBitDepth(p, 5, "texSample.g", "color0");
+	WRITE(p, "  gUpper = floor(color0 / 8.0);\n");
+	WRITE(p, "  gLower = color0 - gUpper * 8.0;\n");
+
+	WriteToBitDepth(p, 5, "texSample.r", "ocol0.r");
+	WRITE(p, "  ocol0.r = ocol0.r * 4.0 + gUpper + 128.0;\n");
+	WriteToBitDepth(p, 5, "texSample.b", "ocol0.a");
+	WRITE(p, "  ocol0.a = ocol0.a + gLower * 32.0;\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 * 16.0;\n");
+	WriteToBitDepth(p, 4, "texSample.g", "color0");
+	WRITE(p, "ocol0.a = ocol0.a + color0 * 16.0;\n");
+
+	WRITE(p, "}\n");
+
+	WRITE(p, "  ocol0 = ocol0 / 255.0;\n");
+	WriteEncoderEnd(p, ApiType);
+}
+
+void WriteRGBA4443Encoder(char* p,API_TYPE ApiType)
+{
+	WriteSwizzler(p, GX_TF_RGB5A3, ApiType);
+
+	WRITE(p, "  float4 texSample;\n");
+	WRITE(p, "  float4 color0;\n");
+	WRITE(p, "  float4 color1;\n");
+
+	WriteSampleColor(p, "rgba", "texSample", 0, ApiType);
+	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");
+
+	WriteSampleColor(p, "rgba", "texSample", 1, ApiType);
+	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 * 16.0 + color1) / 255.0;\n");
+	WriteEncoderEnd(p, ApiType);
+}
+
+void WriteRGBA8Encoder(char* p,API_TYPE ApiType)
+{
+	WriteSwizzler(p, GX_TF_RGBA8, ApiType);
+
+	WRITE(p, "  float cl1 = xb - (halfxb * 2.0);\n");
+	WRITE(p, "  float cl0 = 1.0 - cl1;\n");
+
+	WRITE(p, "  float4 texSample;\n");
+	WRITE(p, "  float4 color0;\n");
+	WRITE(p, "  float4 color1;\n");
+
+	WriteSampleColor(p, "rgba", "texSample", 0, ApiType);
+	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");
+
+	WriteSampleColor(p, "rgba", "texSample", 1, ApiType);
+	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");
+
+	WriteEncoderEnd(p, ApiType);
+}
+
+void WriteC4Encoder(char* p, const char* comp,API_TYPE ApiType)
+{
+	WriteSwizzler(p, GX_CTF_R4, ApiType);
+	WRITE(p, "  float4 color0;\n");
+	WRITE(p, "  float4 color1;\n");
+
+	WriteSampleColor(p, comp, "color0.b", 0, ApiType);
+	WriteSampleColor(p, comp, "color1.b", 1, ApiType);
+	WriteSampleColor(p, comp, "color0.g", 2, ApiType);
+	WriteSampleColor(p, comp, "color1.g", 3, ApiType);
+	WriteSampleColor(p, comp, "color0.r", 4, ApiType);
+	WriteSampleColor(p, comp, "color1.r", 5, ApiType);
+	WriteSampleColor(p, comp, "color0.a", 6, ApiType);
+	WriteSampleColor(p, comp, "color1.a", 7, ApiType);
+
+	WriteToBitDepth(p, 4, "color0", "color0");
+	WriteToBitDepth(p, 4, "color1", "color1");
+
+	WRITE(p, "  ocol0 = (color0 * 16.0 + color1) / 255.0;\n");
+	WriteEncoderEnd(p, ApiType);
+}
+
+void WriteC8Encoder(char* p, const char* comp,API_TYPE ApiType)
+{
+	WriteSwizzler(p, GX_CTF_R8, ApiType);
+
+	WriteSampleColor(p, comp, "ocol0.b", 0, ApiType);
+	WriteSampleColor(p, comp, "ocol0.g", 1, ApiType);
+	WriteSampleColor(p, comp, "ocol0.r", 2, ApiType);
+	WriteSampleColor(p, comp, "ocol0.a", 3, ApiType);
+
+	WriteEncoderEnd(p, ApiType);
+}
+
+void WriteCC4Encoder(char* p, const char* comp,API_TYPE ApiType)
+{
+	WriteSwizzler(p, GX_CTF_RA4, ApiType);
+	WRITE(p, "  float2 texSample;\n");
+	WRITE(p, "  float4 color0;\n");
+	WRITE(p, "  float4 color1;\n");
+
+	WriteSampleColor(p, comp, "texSample", 0, ApiType);
+	WRITE(p, "  color0.b = texSample.x;\n");
+	WRITE(p, "  color1.b = texSample.y;\n");
+
+	WriteSampleColor(p, comp, "texSample", 1, ApiType);
+	WRITE(p, "  color0.g = texSample.x;\n");
+	WRITE(p, "  color1.g = texSample.y;\n");
+
+	WriteSampleColor(p, comp, "texSample", 2, ApiType);
+	WRITE(p, "  color0.r = texSample.x;\n");
+	WRITE(p, "  color1.r = texSample.y;\n");
+
+	WriteSampleColor(p, comp, "texSample", 3, ApiType);
+	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 * 16.0 + color1) / 255.0;\n");
+	WriteEncoderEnd(p, ApiType);
+}
+
+void WriteCC8Encoder(char* p, const char* comp, API_TYPE ApiType)
+{
+	WriteSwizzler(p, GX_CTF_RA8, ApiType);
+
+	WriteSampleColor(p, comp, "ocol0.bg", 0, ApiType);
+	WriteSampleColor(p, comp, "ocol0.ra", 1, ApiType);
+
+	WriteEncoderEnd(p, ApiType);
+}
+
+void WriteZ8Encoder(char* p, const char* multiplier,API_TYPE ApiType)
+{
+	WriteSwizzler(p, GX_CTF_Z8M, ApiType);
+
+	WRITE(p, " float depth;\n");
+
+	WriteSampleColor(p, "b", "depth", 0, ApiType);
+	WRITE(p, "ocol0.b = frac(depth * %s);\n", multiplier);
+
+	WriteSampleColor(p, "b", "depth", 1, ApiType);
+	WRITE(p, "ocol0.g = frac(depth * %s);\n", multiplier);
+
+	WriteSampleColor(p, "b", "depth", 2, ApiType);
+	WRITE(p, "ocol0.r = frac(depth * %s);\n", multiplier);
+
+	WriteSampleColor(p, "b", "depth", 3, ApiType);
+	WRITE(p, "ocol0.a = frac(depth * %s);\n", multiplier);
+
+	WriteEncoderEnd(p, ApiType);
+}
+
+void WriteZ16Encoder(char* p,API_TYPE ApiType)
+{
+	WriteSwizzler(p, GX_TF_Z16, ApiType);
+
+	WRITE(p, "  float depth;\n");
+	WRITE(p, "  float3 expanded;\n");
+
+	// byte order is reversed
+
+	WriteSampleColor(p, "b", "depth", 0, ApiType);
+
+	WRITE(p, "  depth *= 16777215.0;\n");
+	WRITE(p, "  expanded.r = floor(depth / (256.0 * 256.0));\n");
+	WRITE(p, "  depth -= expanded.r * 256.0 * 256.0;\n");
+	WRITE(p, "  expanded.g = floor(depth / 256.0);\n");
+
+	WRITE(p, "  ocol0.b = expanded.g / 255.0;\n");
+	WRITE(p, "  ocol0.g = expanded.r / 255.0;\n");
+
+	WriteSampleColor(p, "b", "depth", 1, ApiType);
+
+	WRITE(p, "  depth *= 16777215.0;\n");
+	WRITE(p, "  expanded.r = floor(depth / (256.0 * 256.0));\n");
+	WRITE(p, "  depth -= expanded.r * 256.0 * 256.0;\n");
+	WRITE(p, "  expanded.g = floor(depth / 256.0);\n");
+
+	WRITE(p, "  ocol0.r = expanded.g / 255.0;\n");
+	WRITE(p, "  ocol0.a = expanded.r / 255.0;\n");
+
+	WriteEncoderEnd(p, ApiType);
+}
+
+void WriteZ16LEncoder(char* p,API_TYPE ApiType)
+{
+	WriteSwizzler(p, GX_CTF_Z16L, ApiType);
+
+	WRITE(p, "  float depth;\n");
+	WRITE(p, "  float3 expanded;\n");
+
+	// byte order is reversed
+
+	WriteSampleColor(p, "b", "depth", 0, ApiType);
+
+	WRITE(p, "  depth *= 16777215.0;\n");
+	WRITE(p, "  expanded.r = floor(depth / (256.0 * 256.0));\n");
+	WRITE(p, "  depth -= expanded.r * 256.0 * 256.0;\n");
+	WRITE(p, "  expanded.g = floor(depth / 256.0);\n");
+	WRITE(p, "  depth -= expanded.g * 256.0;\n");
+	WRITE(p, "  expanded.b = depth;\n");
+
+	WRITE(p, "  ocol0.b = expanded.b / 255.0;\n");
+	WRITE(p, "  ocol0.g = expanded.g / 255.0;\n");
+
+	WriteSampleColor(p, "b", "depth", 1, ApiType);
+
+	WRITE(p, "  depth *= 16777215.0;\n");
+	WRITE(p, "  expanded.r = floor(depth / (256.0 * 256.0));\n");
+	WRITE(p, "  depth -= expanded.r * 256.0 * 256.0;\n");
+	WRITE(p, "  expanded.g = floor(depth / 256.0);\n");
+	WRITE(p, "  depth -= expanded.g * 256.0;\n");
+	WRITE(p, "  expanded.b = depth;\n");
+
+	WRITE(p, "  ocol0.r = expanded.b;\n");
+	WRITE(p, "  ocol0.a = expanded.g;\n");
+
+	WriteEncoderEnd(p, ApiType);
+}
+
+void WriteZ24Encoder(char* p, API_TYPE ApiType)
+{
+	WriteSwizzler(p, GX_TF_Z24X8, ApiType);
+
+	WRITE(p, "  float cl = xb - (halfxb * 2.0);\n");
+
+	WRITE(p, "  float depth0;\n");
+	WRITE(p, "  float depth1;\n");
+	WRITE(p, "  float3 expanded0;\n");
+	WRITE(p, "  float3 expanded1;\n");
+
+	WriteSampleColor(p, "b", "depth0", 0, ApiType);
+	WriteSampleColor(p, "b", "depth1", 1, ApiType);
+
+	for (int i = 0; i < 2; i++)
+	{
+		WRITE(p, "  depth%i *= 16777215.0;\n", i);
+
+		WRITE(p, "  expanded%i.r = floor(depth%i / (256.0 * 256.0));\n", i, i);
+		WRITE(p, "  depth%i -= expanded%i.r * 256.0 * 256.0;\n", i, i);
+		WRITE(p, "  expanded%i.g = floor(depth%i / 256.0);\n", i, i);
+		WRITE(p, "  depth%i -= expanded%i.g * 256.0;\n", i, i);
+		WRITE(p, "  expanded%i.b = depth%i;\n", i, i);
+	}
+
+	WRITE(p, "  if(cl > 0.5) {\n");
+	// upper 16
+	WRITE(p, "     ocol0.b = expanded0.g / 255.0;\n");
+	WRITE(p, "     ocol0.g = expanded0.b / 255.0;\n");
+	WRITE(p, "     ocol0.r = expanded1.g / 255.0;\n");
+	WRITE(p, "     ocol0.a = expanded1.b / 255.0;\n");
+	WRITE(p, "  } else {\n");
+	// lower 8
+	WRITE(p, "     ocol0.b = 1.0;\n");
+	WRITE(p, "     ocol0.g = expanded0.r / 255.0;\n");
+	WRITE(p, "     ocol0.r = 1.0;\n");
+	WRITE(p, "     ocol0.a = expanded1.r / 255.0;\n");
+	WRITE(p, "  }\n");
+
+	WriteEncoderEnd(p, ApiType);
+}
+
+const char *GenerateEncodingShader(u32 format,API_TYPE ApiType)
+{
+#ifndef ANDROID
+	locale_t locale = newlocale(LC_NUMERIC_MASK, "C", NULL); // New locale for compilation
+	locale_t old_locale = uselocale(locale); // Apply the locale for this thread
+#endif
+	text[sizeof(text) - 1] = 0x7C;  // canary
+
+	char *p = text;
+
+	switch (format)
+	{
+	case GX_TF_I4:
+		WriteI4Encoder(p, ApiType);
+		break;
+	case GX_TF_I8:
+		WriteI8Encoder(p, ApiType);
+		break;
+	case GX_TF_IA4:
+		WriteIA4Encoder(p, ApiType);
+		break;
+	case GX_TF_IA8:
+		WriteIA8Encoder(p, ApiType);
+		break;
+	case GX_TF_RGB565:
+		WriteRGB565Encoder(p, ApiType);
+		break;
+	case GX_TF_RGB5A3:
+		WriteRGB5A3Encoder(p, ApiType);
+		break;
+	case GX_TF_RGBA8:
+		WriteRGBA8Encoder(p, ApiType);
+		break;
+	case GX_CTF_R4:
+		WriteC4Encoder(p, "r", ApiType);
+		break;
+	case GX_CTF_RA4:
+		WriteCC4Encoder(p, "ar", ApiType);
+		break;
+	case GX_CTF_RA8:
+		WriteCC8Encoder(p, "ar", ApiType);
+		break;
+	case GX_CTF_A8:
+		WriteC8Encoder(p, "a", ApiType);
+		break;
+	case GX_CTF_R8:
+		WriteC8Encoder(p, "r", ApiType);
+		break;
+	case GX_CTF_G8:
+		WriteC8Encoder(p, "g", ApiType);
+		break;
+	case GX_CTF_B8:
+		WriteC8Encoder(p, "b", ApiType);
+		break;
+	case GX_CTF_RG8:
+		WriteCC8Encoder(p, "rg", ApiType);
+		break;
+	case GX_CTF_GB8:
+		WriteCC8Encoder(p, "gb", ApiType);
+		break;
+	case GX_TF_Z8:
+		WriteC8Encoder(p, "b", ApiType);
+		break;
+	case GX_TF_Z16:
+		WriteZ16Encoder(p, ApiType);
+		break;
+	case GX_TF_Z24X8:
+		WriteZ24Encoder(p, ApiType);
+		break;
+	case GX_CTF_Z4:
+		WriteC4Encoder(p, "b", ApiType);
+		break;
+	case GX_CTF_Z8M:
+		WriteZ8Encoder(p, "256.0", ApiType);
+		break;
+	case GX_CTF_Z8L:
+		WriteZ8Encoder(p, "65536.0" , ApiType);
+		break;
+	case GX_CTF_Z16L:
+		WriteZ16LEncoder(p, ApiType);
+		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!");
+
+#ifndef ANDROID
+	uselocale(old_locale); // restore locale
+	freelocale(locale);
+#endif
+	return text;
+}
+
+}  // namespace