OpenCL: Solved the IA4 case (some byteswapping was necessary, hope there's a vectorized function for that). Some \n fixing I guess

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4399 8ced0084-cf51-0410-be5f-012b33b47a6e

1 files changed, 384 insertions, 372 deletions

diff --git a/Source/Core/VideoCommon/Src/OpenCL/OCLTextureDecoder.cpp b/Source/Core/VideoCommon/Src/OpenCL/OCLTextureDecoder.cpp
index 9d7a265742..acfa9175dd 100644
--- a/Source/Core/VideoCommon/Src/OpenCL/OCLTextureDecoder.cpp
+++ b/Source/Core/VideoCommon/Src/OpenCL/OCLTextureDecoder.cpp
@@ -1,111 +1,123 @@
-// Copyright (C) 2003 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 "OCLTextureDecoder.h"
-
-#include "OpenCL.h"
-
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-    
-struct sDecoders
-{
-    cl_program program;                 // compute program
-    cl_kernel kernel;                   // compute kernel
-	cl_mem src, dst;                    // texture buffer memory objects
-};
-
-const char *Kernel = "                                        \n\
-kernel void DecodeI8(global uchar *dst,                       \n\
-                     const global uchar *src, int width)      \n\
-{                                                             \n\
-    int x = get_global_id(0) * 8, y = get_global_id(1) * 4;   \n\
-    int srcOffset = ((x * 4) + (y * width)) / 8;              \n\
-    for (int iy = 0; iy < 4; iy++)                            \n\
-    {                                                         \n\
-        vstore8(vload8(srcOffset, src),                       \n\
-                0, dst + ((y + iy)*width + x));               \n\
-        srcOffset++;                                          \n\
-    }                                                         \n\
-}                                                             \n\
-                                                              \n\
-kernel void DecodeIA4(global ushort *dst,                     \n\
-                     const global uchar *src, int width)      \n\
-{                                                             \n\
-    int x = get_global_id(0) * 8, y = get_global_id(1) * 4;   \n\
-    int srcOffset = ((x * 4) + (y * width)) / 8;              \n\
-    for (int iy = 0; iy < 4; iy++)                            \n\
-    {                                                         \n\
-        uchar8 val = vload8(srcOffset, src);                  \n\
-        ushort8 res;                                          \n\
-        res.hi = upsample(val.hi, val.hi);                    \n\
-        res.lo = upsample(val.lo, val.lo);                    \n\
-        vstore8(res, 0, dst + ((y + iy)*width + x));          \n\
-        srcOffset++;                                          \n\
-    }                                                         \n\
-}                                                             \n\
-";
-
-sDecoders Decoders[] = { {NULL, NULL, NULL, NULL},
-						 {NULL, NULL, NULL, NULL}, 
-};
-
-bool g_Inited = false;
-
-PC_TexFormat TexDecoder_Decode_OpenCL(u8 *dst, const u8 *src, int width, int height, int texformat, int tlutaddr, int tlutfmt)
-{
-#if defined(HAVE_OPENCL) && HAVE_OPENCL
-    cl_int err;
-	cl_kernel kernelToRun = Decoders[0].kernel;
-	int sizeOfDst = sizeof(u8);
-    if(!g_Inited)
-    {
-		if(!OpenCL::Initialize())
-			return PC_TEX_FMT_NONE;
-
-		
-		Decoders[0].program = OpenCL::CompileProgram(Kernel);
-		Decoders[0].kernel = OpenCL::CompileKernel(Decoders[0].program, "DecodeI8");
-		Decoders[1].kernel = OpenCL::CompileKernel(Decoders[0].program, "DecodeIA4");
-
-		g_Inited = true;
-	}
-    switch(texformat)
-	{
-		case GX_TF_IA4:
-			// Maybe a cleaner way is needed
-			kernelToRun = Decoders[1].kernel;
-			sizeOfDst = sizeof(u16);
-		case GX_TF_I8:
-			{
-				// TODO: Optimize
-				//PanicAlert("Really calling the OCL version");
+// Copyright (C) 2003 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 "OCLTextureDecoder.h"

+

+#include "OpenCL.h"

+

+#include <fcntl.h>

+#include <stdio.h>

+#include <stdlib.h>

+#include <string.h>

+#include <math.h>

+#include <sys/types.h>

+#include <sys/stat.h>

+    

+struct sDecoders

+{

+    cl_program program;                 // compute program

+    cl_kernel kernel;                   // compute kernel

+	cl_mem src, dst;                    // texture buffer memory objects

+};

+

+const char *Kernel = "                                        \n\

+kernel void DecodeI8(global uchar *dst,                       \n\

+                     const global uchar *src, int width)      \n\

+{                                                             \n\

+    int x = get_global_id(0) * 8, y = get_global_id(1) * 4;   \n\

+    int srcOffset = ((x * 4) + (y * width)) / 8;              \n\

+    for (int iy = 0; iy < 4; iy++)                            \n\

+    {                                                         \n\

+        vstore8(vload8(srcOffset, src),                       \n\

+                0, dst + ((y + iy)*width + x));               \n\

+        srcOffset++;                                          \n\

+    }                                                         \n\

+}                                                             \n\

+                                                              \n\

+                                                              \n\

+ushort swapbytes(ushort x) {                                  \n\

+    return (x & 0xf00f) | ((x >> 4) & 0x00f0) |               \n\

+           ((x << 4) & 0x0f00);                               \n\

+}                                                             \n\

+                                                              \n\

+kernel void DecodeIA4(global ushort *dst,                     \n\

+                     const global uchar *src, int width)      \n\

+{                                                             \n\

+    int x = get_global_id(0) * 8, y = get_global_id(1) * 4;   \n\

+    int srcOffset = ((x * 4) + (y * width)) / 8;              \n\

+    for (int iy = 0; iy < 4; iy++)                            \n\

+    {                                                         \n\

+        uchar8 val = vload8(srcOffset, src);                  \n\

+        ushort8 res = val.s0011223344556677;                  \n\

+        res.s0 = swapbytes(res.s0);                           \n\

+        res.s1 = swapbytes(res.s1);                           \n\

+        res.s2 = swapbytes(res.s2);                           \n\

+        res.s3 = swapbytes(res.s3);                           \n\

+        res.s4 = swapbytes(res.s4);                           \n\

+        res.s5 = swapbytes(res.s5);                           \n\

+        res.s6 = swapbytes(res.s6);                           \n\

+        res.s7 = swapbytes(res.s7);                           \n\

+        vstore8(res, 0, dst + ((y + iy)*width + x));          \n\

+        srcOffset++;                                          \n\

+    }                                                         \n\

+}                                                             \n\

+";

+

+sDecoders Decoders[] = { {NULL, NULL, NULL, NULL},

+						 {NULL, NULL, NULL, NULL}, 

+};

+

+bool g_Inited = false;

+

+PC_TexFormat TexDecoder_Decode_OpenCL(u8 *dst, const u8 *src, int width, int height, int texformat, int tlutaddr, int tlutfmt)

+{

+#if defined(HAVE_OPENCL) && HAVE_OPENCL

+    cl_int err;

+	cl_kernel kernelToRun = Decoders[0].kernel;

+	int sizeOfDst = sizeof(u8);

+    if(!g_Inited)

+    {

+		if(!OpenCL::Initialize())

+			return PC_TEX_FMT_NONE;

+

+		

+		Decoders[0].program = OpenCL::CompileProgram(Kernel);

+		Decoders[0].kernel = OpenCL::CompileKernel(Decoders[0].program, "DecodeI8");

+		Decoders[1].kernel = OpenCL::CompileKernel(Decoders[0].program, "DecodeIA4");

+

+		g_Inited = true;

+	}

+    switch(texformat)

+	{

+		case GX_TF_IA4:

+			// Maybe a cleaner way is needed

+			kernelToRun = Decoders[1].kernel;

+			sizeOfDst = sizeof(u16);

+		case GX_TF_I8:

+			{

+				// TODO: Optimize

+				//PanicAlert("Really calling the OCL version");

 				Decoders[0].src = clCreateBuffer(OpenCL::GetContext(), CL_MEM_READ_ONLY | CL_MEM_COPY_HOST_PTR, width * height * sizeof(u8), (void *)src, NULL);

-				Decoders[0].dst = clCreateBuffer(OpenCL::GetContext(), CL_MEM_WRITE_ONLY, width * height * sizeOfDst, NULL, NULL);
-
-				clSetKernelArg(kernelToRun, 0, sizeof(cl_mem), &Decoders[0].dst);
-				clSetKernelArg(kernelToRun, 1, sizeof(cl_mem), &Decoders[0].src);
-				clSetKernelArg(kernelToRun, 2, sizeof(cl_int), &width);
-
+				Decoders[0].dst = clCreateBuffer(OpenCL::GetContext(), CL_MEM_WRITE_ONLY, width * height * sizeOfDst, NULL, NULL);

+

+				clSetKernelArg(kernelToRun, 0, sizeof(cl_mem), &Decoders[0].dst);

+				clSetKernelArg(kernelToRun, 1, sizeof(cl_mem), &Decoders[0].src);

+				clSetKernelArg(kernelToRun, 2, sizeof(cl_int), &width);

+

 				size_t global[] = { width / 8, height / 4 };

 

 				// No work-groups for now

@@ -116,276 +128,276 @@ PC_TexFormat TexDecoder_Decode_OpenCL(u8 *dst, const u8 *src, int width, int hei
 					PanicAlert("Error obtaining work-group information");

 				*/

 

-				err = clEnqueueNDRangeKernel(OpenCL::GetCommandQueue(), kernelToRun, 2 , NULL, global, NULL, 0, NULL, NULL);
-				if(err)
-					PanicAlert("Error queueing kernel");
-
-				clFinish(OpenCL::GetCommandQueue());
-				
-				clEnqueueReadBuffer(OpenCL::GetCommandQueue(), Decoders[0].dst, CL_TRUE, 0, width * height * sizeOfDst, dst, 0, NULL, NULL);
-
-				clReleaseMemObject(Decoders[0].src);
-				clReleaseMemObject(Decoders[0].dst);
-				
-				/*
-				for (int y = 0; y < height; y += 4)
-					for (int x = 0; x < width; x += 8)
-						for (int iy = 0; iy < 4; iy++, src += 8)
-							memcpy(dst + (y + iy)*width+x, src, 8);
-				*/
-				if(texformat == GX_TF_I8)
-					return PC_TEX_FMT_I8;
-				else
-					return PC_TEX_FMT_IA4_AS_IA8;
-			}
-				/* IA4:
+				err = clEnqueueNDRangeKernel(OpenCL::GetCommandQueue(), kernelToRun, 2 , NULL, global, NULL, 0, NULL, NULL);

+				if(err)

+					PanicAlert("Error queueing kernel");

+

+				clFinish(OpenCL::GetCommandQueue());

+				

+				clEnqueueReadBuffer(OpenCL::GetCommandQueue(), Decoders[0].dst, CL_TRUE, 0, width * height * sizeOfDst, dst, 0, NULL, NULL);

+

+				clReleaseMemObject(Decoders[0].src);

+				clReleaseMemObject(Decoders[0].dst);

+				

+				/*

+				for (int y = 0; y < height; y += 4)

+					for (int x = 0; x < width; x += 8)

+						for (int iy = 0; iy < 4; iy++, src += 8)

+							memcpy(dst + (y + iy)*width+x, src, 8);

+				*/

+				if(texformat == GX_TF_I8)

+					return PC_TEX_FMT_I8;

+				else

+					return PC_TEX_FMT_IA4_AS_IA8;

+			}

+				/* IA4:

 				for (int y = 0; y < height; y += 4)

 					for (int x = 0; x < width; x += 8)

-						for (int iy = 0; iy < 4; iy++, src += 8)
+						for (int iy = 0; iy < 4; iy++, src += 8)

 							for (int x = 0; x < 8; x++)

 							{

 								const u8 val = src[x];

 								u8 a = Convert4To8(val >> 4);

 								u8 l = Convert4To8(val & 0xF);

 								dst[x] = (a << 8) | l;

-							}
-				*/
-
-		default:
-			return PC_TEX_FMT_NONE;
-	}
-#else
-	return PC_TEX_FMT_NONE;
-#endif
-	/* OLD CODE
-    switch(texformat)
-    {
-        case GX_TF_I8:
-		{
-			size_t global = 0;                      // global domain size for our calculation
-			size_t local = 0;                       // local domain size for our calculation
-            printf("width %d, height %d\n", width, height);
-            // Create the input and output arrays in device memory for our calculation
-            //
-            cl_mem _dst = clCreateBuffer(OpenCL::g_context, CL_MEM_WRITE_ONLY, sizeof(unsigned char) * width * height, NULL, NULL);
-            if (!dst)
-            {
-                printf("Error: Failed to allocate device memory!\n");
-                exit(1);
-            }  
-             cl_mem _src = clCreateBuffer(OpenCL::g_context, CL_MEM_READ_ONLY | CL_MEM_COPY_HOST_PTR, sizeof(unsigned char) * width * height, (void*)src, NULL);
-            if (!src)
-            {
-                printf("Error: Failed to allocate device memory!\n");
-                exit(1);
-            }      
-            // Set the arguments to our compute kernel
-            //
-            err = 0;
-            err  = clSetKernelArg(Decoders[0].kernel, 0, sizeof(cl_mem), &_dst);
-            err |= clSetKernelArg(Decoders[0].kernel, 1, sizeof(cl_mem), &_src);
-            err |= clSetKernelArg(Decoders[0].kernel, 2, sizeof(cl_int), &width);
-            err |= clSetKernelArg(Decoders[0].kernel, 3, sizeof(cl_int), &height);
-            if (err != CL_SUCCESS)
-            {
-                printf("Error: Failed to set kernel arguments! %d\n", err);
-                exit(1);
-            }
-            
-			// Get the maximum work group size for executing the kernel on the device
-            //
-            err = clGetKernelWorkGroupInfo(Decoders[0].kernel, OpenCL::device_id, CL_KERNEL_WORK_GROUP_SIZE, sizeof(size_t), &local, NULL);
-            if (err != CL_SUCCESS)
-            {
-                printf("Error: Failed to retrieve kernel work group info! %d\n", err);
-                local = 64;
-            } 
-			
-            // Execute the kernel over the entire range of our 1d input data set
-            // using the maximum number of work group items for this device
-            //
-            global = width * height;
-            err = clEnqueueNDRangeKernel(OpenCL::g_cmdq, Decoders[0].kernel, 1, NULL, &global, &local, 0, NULL, NULL);
-            if (err != CL_SUCCESS)
-            {
-                printf("Error: Failed to execute kernel! %d\n", err);
-                return PC_TEX_FMT_NONE;
-            }
-
-            // Wait for the command commands to get serviced before reading back results
-            //
-            clFinish(OpenCL::g_cmdq);
-
-            // Read back the results from the device to verify the output
-            //
-            err = clEnqueueReadBuffer( OpenCL::g_cmdq, _dst, CL_TRUE, 0, sizeof(unsigned char) * width * height, dst, 0, NULL, NULL );  
-            if (err != CL_SUCCESS)
-            {
-                printf("Error: Failed to read output array! %d\n", err);
-                exit(1);
-            }
-			clReleaseMemObject(_dst);
-			clReleaseMemObject(_src);
-		}
-		return PC_TEX_FMT_I8;
-        break;
-        default:
-            return PC_TEX_FMT_NONE;
-    }
-	// TODO: clEnqueueNDRangeKernel
-*/
-
-  /*  switch (texformat)
-    {
-    case GX_TF_C4:
-		if (tlutfmt == 2)
-        {
-			// Special decoding is required for TLUT format 5A3
-            for (int y = 0; y < height; y += 8)
-                for (int x = 0; x < width; x += 8)
-                    for (int iy = 0; iy < 8; iy++, src += 4)
-                        decodebytesC4_5A3_To_BGRA32((u32*)dst + (y + iy) * width + x, src, tlutaddr);
-        }
-		else
-		{
-            for (int y = 0; y < height; y += 8)
-                for (int x = 0; x < width; x += 8)
-                    for (int iy = 0; iy < 8; iy++, src += 4)
-                        decodebytesC4_To_Raw16((u16*)dst + (y + iy) * width + x, src, tlutaddr);
-		}
-        return GetPCFormatFromTLUTFormat(tlutfmt);
-    case GX_TF_I4:
-		{
-			for (int y = 0; y < height; y += 8)
-				for (int x = 0; x < width; x += 8)
-					for (int iy = 0; iy < 8; iy++, src += 4)
-						for (int ix = 0; ix < 4; ix++)
-						{
-							int val = src[ix];
-							dst[(y + iy) * width + x + ix * 2] = Convert4To8(val >> 4);
-							dst[(y + iy) * width + x + ix * 2 + 1] = Convert4To8(val & 0xF);
-						}
-        }
-       return PC_TEX_FMT_I4_AS_I8;
-	case GX_TF_I8:  // speed critical
-		{
-			for (int y = 0; y < height; y += 4)
-				for (int x = 0; x < width; x += 8)
-					for (int iy = 0; iy < 4; iy++, src += 8)
-						memcpy(dst + (y + iy)*width+x, src, 8);
-		}
-		return PC_TEX_FMT_I8;
-    case GX_TF_C8:
-		if (tlutfmt == 2)
-        {
-			// Special decoding is required for TLUT format 5A3
-            for (int y = 0; y < height; y += 4)
-                for (int x = 0; x < width; x += 8)
-                    for (int iy = 0; iy < 4; iy++, src += 8)
-                        decodebytesC8_5A3_To_BGRA32((u32*)dst + (y + iy) * width + x, src, tlutaddr);
-        }
-		else
-		{
-            for (int y = 0; y < height; y += 4)
-                for (int x = 0; x < width; x += 8)
-                    for (int iy = 0; iy < 4; iy++, src += 8)
-                        decodebytesC8_To_Raw16((u16*)dst + (y + iy) * width + x, src, tlutaddr);
-		}
-        return GetPCFormatFromTLUTFormat(tlutfmt);
-    case GX_TF_IA4:
-        {
-            for (int y = 0; y < height; y += 4)
-                for (int x = 0; x < width; x += 8)
-					for (int iy = 0; iy < 4; iy++, src += 8)
-                        decodebytesIA4((u16*)dst + (y + iy) * width + x, src);
-        }
-		return PC_TEX_FMT_IA4_AS_IA8;
-    case GX_TF_IA8:
-        {
-			for (int y = 0; y < height; y += 4)
-				for (int x = 0; x < width; x += 4)
-					for (int iy = 0; iy < 4; iy++, src += 8)
-					{
-						u16 *ptr = (u16 *)dst + (y + iy) * width + x;
-						u16 *s = (u16 *)src;
-						for(int j = 0; j < 4; j++)
-							*ptr++ = Common::swap16(*s++);
-					}
-
-        }
-		return PC_TEX_FMT_IA8;
-    case GX_TF_C14X2: 
-		if (tlutfmt == 2)
-        {
-			// Special decoding is required for TLUT format 5A3
-            for (int y = 0; y < height; y += 4)
-                for (int x = 0; x < width; x += 4)
-                    for (int iy = 0; iy < 4; iy++, src += 8)
-                        decodebytesC14X2_5A3_To_BGRA32((u32*)dst + (y + iy) * width + x, (u16*)src, tlutaddr);
-        }
-		else
-		{
-            for (int y = 0; y < height; y += 4)
-                for (int x = 0; x < width; x += 4)
-                    for (int iy = 0; iy < 4; iy++, src += 8)
-                        decodebytesC14X2_To_Raw16((u16*)dst + (y + iy) * width + x, (u16*)src, tlutaddr);
-		}
-		return GetPCFormatFromTLUTFormat(tlutfmt);
-    case GX_TF_RGB565:
-		{
-			for (int y = 0; y < height; y += 4)
-				for (int x = 0; x < width; x += 4)
-					for (int iy = 0; iy < 4; iy++, src += 8)
-					{
-						u16 *ptr = (u16 *)dst + (y + iy) * width + x;
-						u16 *s = (u16 *)src;
-						for(int j = 0; j < 4; j++)
-							*ptr++ = Common::swap16(*s++);
-					}
-		}
-		return PC_TEX_FMT_RGB565;
-    case GX_TF_RGB5A3:
-        {
-            for (int y = 0; y < height; y += 4)
-                for (int x = 0; x < width; x += 4)
-                    for (int iy = 0; iy < 4; iy++, src += 8)
-                        //decodebytesRGB5A3((u32*)dst+(y+iy)*width+x, (u16*)src, 4);
-                        decodebytesRGB5A3((u32*)dst+(y+iy)*width+x, (u16*)src);
-        }
-        return PC_TEX_FMT_BGRA32;
-    case GX_TF_RGBA8:  // speed critical
-        {
-			for (int y = 0; y < height; y += 4)
-                for (int x = 0; x < width; x += 4)
-                {
-					for (int iy = 0; iy < 4; iy++)
-                        decodebytesARGB8_4((u32*)dst + (y+iy)*width + x, (u16*)src + 4 * iy, (u16*)src + 4 * iy + 16);
-					src += 64;
-                }
-        }
-        return PC_TEX_FMT_BGRA32;
-    case GX_TF_CMPR:  // speed critical
-        // The metroid games use this format almost exclusively.
-		{
-			for (int y = 0; y < height; y += 8)
-			{
-                for (int x = 0; x < width; x += 8)
-                {
-                    decodeDXTBlock((u32*)dst + y * width + x, (DXTBlock*)src, width);
-                                        src += sizeof(DXTBlock);
-                    decodeDXTBlock((u32*)dst + y * width + x + 4, (DXTBlock*)src, width);
-                                        src += sizeof(DXTBlock);
-                    decodeDXTBlock((u32*)dst + (y + 4) * width + x, (DXTBlock*)src, width);
-                                        src += sizeof(DXTBlock);
-                    decodeDXTBlock((u32*)dst + (y + 4) * width + x + 4, (DXTBlock*)src, width);
-                                        src += sizeof(DXTBlock);
-                }
-			}
-			return PC_TEX_FMT_BGRA32;
-		}
-    }
-*/
-	// The "copy" texture formats, too?
-    return PC_TEX_FMT_NONE;
-}
-
+							}

+				*/

+

+		default:

+			return PC_TEX_FMT_NONE;

+	}

+#else

+	return PC_TEX_FMT_NONE;

+#endif

+	/* OLD CODE

+    switch(texformat)

+    {

+        case GX_TF_I8:

+		{

+			size_t global = 0;                      // global domain size for our calculation

+			size_t local = 0;                       // local domain size for our calculation

+            printf("width %d, height %d\n", width, height);

+            // Create the input and output arrays in device memory for our calculation

+            //

+            cl_mem _dst = clCreateBuffer(OpenCL::g_context, CL_MEM_WRITE_ONLY, sizeof(unsigned char) * width * height, NULL, NULL);

+            if (!dst)

+            {

+                printf("Error: Failed to allocate device memory!\n");

+                exit(1);

+            }  

+             cl_mem _src = clCreateBuffer(OpenCL::g_context, CL_MEM_READ_ONLY | CL_MEM_COPY_HOST_PTR, sizeof(unsigned char) * width * height, (void*)src, NULL);

+            if (!src)

+            {

+                printf("Error: Failed to allocate device memory!\n");

+                exit(1);

+            }      

+            // Set the arguments to our compute kernel

+            //

+            err = 0;

+            err  = clSetKernelArg(Decoders[0].kernel, 0, sizeof(cl_mem), &_dst);

+            err |= clSetKernelArg(Decoders[0].kernel, 1, sizeof(cl_mem), &_src);

+            err |= clSetKernelArg(Decoders[0].kernel, 2, sizeof(cl_int), &width);

+            err |= clSetKernelArg(Decoders[0].kernel, 3, sizeof(cl_int), &height);

+            if (err != CL_SUCCESS)

+            {

+                printf("Error: Failed to set kernel arguments! %d\n", err);

+                exit(1);

+            }

+            

+			// Get the maximum work group size for executing the kernel on the device

+            //

+            err = clGetKernelWorkGroupInfo(Decoders[0].kernel, OpenCL::device_id, CL_KERNEL_WORK_GROUP_SIZE, sizeof(size_t), &local, NULL);

+            if (err != CL_SUCCESS)

+            {

+                printf("Error: Failed to retrieve kernel work group info! %d\n", err);

+                local = 64;

+            } 

+			

+            // Execute the kernel over the entire range of our 1d input data set

+            // using the maximum number of work group items for this device

+            //

+            global = width * height;

+            err = clEnqueueNDRangeKernel(OpenCL::g_cmdq, Decoders[0].kernel, 1, NULL, &global, &local, 0, NULL, NULL);

+            if (err != CL_SUCCESS)

+            {

+                printf("Error: Failed to execute kernel! %d\n", err);

+                return PC_TEX_FMT_NONE;

+            }

+

+            // Wait for the command commands to get serviced before reading back results

+            //

+            clFinish(OpenCL::g_cmdq);

+

+            // Read back the results from the device to verify the output

+            //

+            err = clEnqueueReadBuffer( OpenCL::g_cmdq, _dst, CL_TRUE, 0, sizeof(unsigned char) * width * height, dst, 0, NULL, NULL );  

+            if (err != CL_SUCCESS)

+            {

+                printf("Error: Failed to read output array! %d\n", err);

+                exit(1);

+            }

+			clReleaseMemObject(_dst);

+			clReleaseMemObject(_src);

+		}

+		return PC_TEX_FMT_I8;

+        break;

+        default:

+            return PC_TEX_FMT_NONE;

+    }

+	// TODO: clEnqueueNDRangeKernel

+*/

+

+  /*  switch (texformat)

+    {

+    case GX_TF_C4:

+		if (tlutfmt == 2)

+        {

+			// Special decoding is required for TLUT format 5A3

+            for (int y = 0; y < height; y += 8)

+                for (int x = 0; x < width; x += 8)

+                    for (int iy = 0; iy < 8; iy++, src += 4)

+                        decodebytesC4_5A3_To_BGRA32((u32*)dst + (y + iy) * width + x, src, tlutaddr);

+        }

+		else

+		{

+            for (int y = 0; y < height; y += 8)

+                for (int x = 0; x < width; x += 8)

+                    for (int iy = 0; iy < 8; iy++, src += 4)

+                        decodebytesC4_To_Raw16((u16*)dst + (y + iy) * width + x, src, tlutaddr);

+		}

+        return GetPCFormatFromTLUTFormat(tlutfmt);

+    case GX_TF_I4:

+		{

+			for (int y = 0; y < height; y += 8)

+				for (int x = 0; x < width; x += 8)

+					for (int iy = 0; iy < 8; iy++, src += 4)

+						for (int ix = 0; ix < 4; ix++)

+						{

+							int val = src[ix];

+							dst[(y + iy) * width + x + ix * 2] = Convert4To8(val >> 4);

+							dst[(y + iy) * width + x + ix * 2 + 1] = Convert4To8(val & 0xF);

+						}

+        }

+       return PC_TEX_FMT_I4_AS_I8;

+	case GX_TF_I8:  // speed critical

+		{

+			for (int y = 0; y < height; y += 4)

+				for (int x = 0; x < width; x += 8)

+					for (int iy = 0; iy < 4; iy++, src += 8)

+						memcpy(dst + (y + iy)*width+x, src, 8);

+		}

+		return PC_TEX_FMT_I8;

+    case GX_TF_C8:

+		if (tlutfmt == 2)

+        {

+			// Special decoding is required for TLUT format 5A3

+            for (int y = 0; y < height; y += 4)

+                for (int x = 0; x < width; x += 8)

+                    for (int iy = 0; iy < 4; iy++, src += 8)

+                        decodebytesC8_5A3_To_BGRA32((u32*)dst + (y + iy) * width + x, src, tlutaddr);

+        }

+		else

+		{

+            for (int y = 0; y < height; y += 4)

+                for (int x = 0; x < width; x += 8)

+                    for (int iy = 0; iy < 4; iy++, src += 8)

+                        decodebytesC8_To_Raw16((u16*)dst + (y + iy) * width + x, src, tlutaddr);

+		}

+        return GetPCFormatFromTLUTFormat(tlutfmt);

+    case GX_TF_IA4:

+        {

+            for (int y = 0; y < height; y += 4)

+                for (int x = 0; x < width; x += 8)

+					for (int iy = 0; iy < 4; iy++, src += 8)

+                        decodebytesIA4((u16*)dst + (y + iy) * width + x, src);

+        }

+		return PC_TEX_FMT_IA4_AS_IA8;

+    case GX_TF_IA8:

+        {

+			for (int y = 0; y < height; y += 4)

+				for (int x = 0; x < width; x += 4)

+					for (int iy = 0; iy < 4; iy++, src += 8)

+					{

+						u16 *ptr = (u16 *)dst + (y + iy) * width + x;

+						u16 *s = (u16 *)src;

+						for(int j = 0; j < 4; j++)

+							*ptr++ = Common::swap16(*s++);

+					}

+

+        }

+		return PC_TEX_FMT_IA8;

+    case GX_TF_C14X2: 

+		if (tlutfmt == 2)

+        {

+			// Special decoding is required for TLUT format 5A3

+            for (int y = 0; y < height; y += 4)

+                for (int x = 0; x < width; x += 4)

+                    for (int iy = 0; iy < 4; iy++, src += 8)

+                        decodebytesC14X2_5A3_To_BGRA32((u32*)dst + (y + iy) * width + x, (u16*)src, tlutaddr);

+        }

+		else

+		{

+            for (int y = 0; y < height; y += 4)

+                for (int x = 0; x < width; x += 4)

+                    for (int iy = 0; iy < 4; iy++, src += 8)

+                        decodebytesC14X2_To_Raw16((u16*)dst + (y + iy) * width + x, (u16*)src, tlutaddr);

+		}

+		return GetPCFormatFromTLUTFormat(tlutfmt);

+    case GX_TF_RGB565:

+		{

+			for (int y = 0; y < height; y += 4)

+				for (int x = 0; x < width; x += 4)

+					for (int iy = 0; iy < 4; iy++, src += 8)

+					{

+						u16 *ptr = (u16 *)dst + (y + iy) * width + x;

+						u16 *s = (u16 *)src;

+						for(int j = 0; j < 4; j++)

+							*ptr++ = Common::swap16(*s++);

+					}

+		}

+		return PC_TEX_FMT_RGB565;

+    case GX_TF_RGB5A3:

+        {

+            for (int y = 0; y < height; y += 4)

+                for (int x = 0; x < width; x += 4)

+                    for (int iy = 0; iy < 4; iy++, src += 8)

+                        //decodebytesRGB5A3((u32*)dst+(y+iy)*width+x, (u16*)src, 4);

+                        decodebytesRGB5A3((u32*)dst+(y+iy)*width+x, (u16*)src);

+        }

+        return PC_TEX_FMT_BGRA32;

+    case GX_TF_RGBA8:  // speed critical

+        {

+			for (int y = 0; y < height; y += 4)

+                for (int x = 0; x < width; x += 4)

+                {

+					for (int iy = 0; iy < 4; iy++)

+                        decodebytesARGB8_4((u32*)dst + (y+iy)*width + x, (u16*)src + 4 * iy, (u16*)src + 4 * iy + 16);

+					src += 64;

+                }

+        }

+        return PC_TEX_FMT_BGRA32;

+    case GX_TF_CMPR:  // speed critical

+        // The metroid games use this format almost exclusively.

+		{

+			for (int y = 0; y < height; y += 8)

+			{

+                for (int x = 0; x < width; x += 8)

+                {

+                    decodeDXTBlock((u32*)dst + y * width + x, (DXTBlock*)src, width);

+                                        src += sizeof(DXTBlock);

+                    decodeDXTBlock((u32*)dst + y * width + x + 4, (DXTBlock*)src, width);

+                                        src += sizeof(DXTBlock);

+                    decodeDXTBlock((u32*)dst + (y + 4) * width + x, (DXTBlock*)src, width);

+                                        src += sizeof(DXTBlock);

+                    decodeDXTBlock((u32*)dst + (y + 4) * width + x + 4, (DXTBlock*)src, width);

+                                        src += sizeof(DXTBlock);

+                }

+			}

+			return PC_TEX_FMT_BGRA32;

+		}

+    }

+*/

+	// The "copy" texture formats, too?

+    return PC_TEX_FMT_NONE;

+}

+