2010-06-09 01:37:08 +00:00
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// Copyright (C) 2003 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#include "OCLTextureDecoder.h"
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#include "OpenCL.h"
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#include "FileUtil.h"
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <string>
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//#define DEBUG_OPENCL
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2010-06-22 00:52:17 +00:00
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cl_program g_program;
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struct sDecoderParameter
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2010-06-26 13:12:28 +00:00
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{
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const char *name;
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2010-06-22 00:52:17 +00:00
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cl_kernel kernel;
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float sizeOfSrc;
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float sizeOfDst;
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int xSkip;
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int ySkip;
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PC_TexFormat format;
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2010-06-09 01:37:08 +00:00
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};
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2010-06-22 00:52:17 +00:00
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sDecoderParameter g_DecodeParametersNative[] = {
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/* GX_TF_I4 */ { "DecodeI4", NULL, 0.5f, 1, 8, 8, PC_TEX_FMT_I4_AS_I8 },
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/* GX_TF_I8 */ { "DecodeI8", NULL, 1, 1, 8, 4, PC_TEX_FMT_I8 },
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/* GX_TF_IA4 */ { "DecodeIA4", NULL, 1, 2, 8, 4, PC_TEX_FMT_IA4_AS_IA8 },
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/* GX_TF_IA8 */ { "DecodeIA8", NULL, 2, 2, 4, 4, PC_TEX_FMT_IA8 },
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/* GX_TF_RGB565 */ { "DecodeRGB565", NULL, 2, 2, 4, 4, PC_TEX_FMT_RGB565 },
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/* GX_TF_RGB5A3 */ { "DecodeRGB5A3", NULL, 2, 4, 4, 4, PC_TEX_FMT_BGRA32 },
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/* GX_TF_RGBA8 */ { "DecodeRGBA8", NULL, 4, 4, 4, 4, PC_TEX_FMT_BGRA32 },
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/* 7 */ { NULL },
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/* GX_TF_C4 */ { NULL },
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/* GX_TF_C8 */ { NULL },
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/* GX_TF_C14X2 */ { NULL },
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/* B */ { NULL },
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/* C */ { NULL },
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/* D */ { NULL },
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/* GX_TF_CMPR */ { "DecodeCMPR", NULL, 0.5f, 4, 8, 8, PC_TEX_FMT_BGRA32 },
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};
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sDecoderParameter g_DecodeParametersRGBA[] = {
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/* GX_TF_I4 */ { "DecodeI4_RGBA", NULL, 0.5f, 4, 8, 8, PC_TEX_FMT_RGBA32 },
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/* GX_TF_I8 */ { "DecodeI8_RGBA", NULL, 1, 4, 8, 4, PC_TEX_FMT_RGBA32 },
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/* GX_TF_IA4 */ { "DecodeIA4_RGBA", NULL, 1, 4, 8, 4, PC_TEX_FMT_RGBA32 },
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/* GX_TF_IA8 */ { "DecodeIA8_RGBA", NULL, 2, 4, 4, 4, PC_TEX_FMT_RGBA32 },
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/* GX_TF_RGB565 */ { "DecodeRGB565_RGBA", NULL, 2, 4, 4, 4, PC_TEX_FMT_RGBA32 },
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/* GX_TF_RGB5A3 */ { "DecodeRGB5A3_RGBA", NULL, 2, 4, 4, 4, PC_TEX_FMT_RGBA32 },
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/* GX_TF_RGBA8 */ { "DecodeRGBA8_RGBA", NULL, 4, 4, 4, 4, PC_TEX_FMT_RGBA32 },
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/* 7 */ { NULL },
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/* GX_TF_C4 */ { NULL },
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/* GX_TF_C8 */ { NULL },
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/* GX_TF_C14X2 */ { NULL },
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/* B */ { NULL },
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/* C */ { NULL },
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/* D */ { NULL },
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/* GX_TF_CMPR */ { "DecodeCMPR_RGBA", NULL, 0.5f, 4, 8, 8, PC_TEX_FMT_RGBA32 },
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2010-06-09 01:37:08 +00:00
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};
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bool g_Inited = false;
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cl_mem g_clsrc, g_cldst; // texture buffer memory objects
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void TexDecoder_OpenCL_Initialize() {
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#if defined(HAVE_OPENCL) && HAVE_OPENCL
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if(!g_Inited)
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2010-06-19 07:59:53 +00:00
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{
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2010-06-09 01:37:08 +00:00
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if(!OpenCL::Initialize())
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return;
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2010-06-19 07:59:53 +00:00
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std::string code;
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char filename[1024];
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sprintf(filename, "%sOpenCL/TextureDecoder.cl", File::GetUserPath(D_USER_IDX));
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2010-06-09 01:37:08 +00:00
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if (!File::ReadFileToString(true, filename, code))
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{
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ERROR_LOG(VIDEO, "Failed to load OpenCL code %s - file is missing?", filename);
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2010-06-19 07:59:53 +00:00
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return;
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2010-06-09 01:37:08 +00:00
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}
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2010-06-26 13:12:28 +00:00
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2010-06-09 01:37:08 +00:00
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g_program = OpenCL::CompileProgram(code.c_str());
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2010-06-26 13:12:28 +00:00
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for (int i = 0; i <= GX_TF_CMPR; ++i) {
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if (g_DecodeParametersNative[i].name)
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g_DecodeParametersNative[i].kernel =
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OpenCL::CompileKernel(g_program,
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g_DecodeParametersNative[i].name);
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2010-06-22 00:52:17 +00:00
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2010-06-26 13:12:28 +00:00
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if (g_DecodeParametersRGBA[i].name)
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g_DecodeParametersRGBA[i].kernel =
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OpenCL::CompileKernel(g_program,
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g_DecodeParametersRGBA[i].name);
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}
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2010-06-09 01:37:08 +00:00
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// Allocating maximal Wii texture size in advance, so that we don't have to allocate/deallocate per texture
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#ifndef DEBUG_OPENCL
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g_clsrc = clCreateBuffer(OpenCL::GetContext(), CL_MEM_READ_ONLY , 1024 * 1024 * sizeof(u32), NULL, NULL);
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g_cldst = clCreateBuffer(OpenCL::GetContext(), CL_MEM_WRITE_ONLY, 1024 * 1024 * sizeof(u32), NULL, NULL);
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#endif
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g_Inited = true;
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}
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#endif
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}
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void TexDecoder_OpenCL_Shutdown() {
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#if defined(HAVE_OPENCL) && HAVE_OPENCL && !defined(DEBUG_OPENCL)
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2010-06-26 13:12:28 +00:00
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2010-06-09 01:37:08 +00:00
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clReleaseProgram(g_program);
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2010-06-22 00:52:17 +00:00
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2010-06-26 13:12:28 +00:00
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for (int i = 0; i < GX_TF_CMPR; ++i) {
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if (g_DecodeParametersNative[i].kernel)
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clReleaseKernel(g_DecodeParametersNative[i].kernel);
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if(g_DecodeParametersRGBA[i].kernel)
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clReleaseKernel(g_DecodeParametersRGBA[i].kernel);
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}
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2010-06-22 00:52:17 +00:00
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2010-06-09 01:37:08 +00:00
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if(g_clsrc)
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clReleaseMemObject(g_clsrc);
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if(g_cldst)
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clReleaseMemObject(g_cldst);
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2010-06-26 13:12:28 +00:00
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2010-06-09 01:37:08 +00:00
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g_Inited = false;
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#endif
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}
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2010-06-22 00:52:17 +00:00
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PC_TexFormat TexDecoder_Decode_OpenCL(u8 *dst, const u8 *src, int width, int height, int texformat, int tlutaddr, int tlutfmt, bool rgba)
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2010-06-09 01:37:08 +00:00
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{
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#if defined(HAVE_OPENCL) && HAVE_OPENCL
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cl_int err;
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2010-06-22 00:52:17 +00:00
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sDecoderParameter& decoder = rgba ? g_DecodeParametersRGBA[texformat] : g_DecodeParametersNative[texformat];
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2010-06-29 02:23:09 +00:00
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if(!g_Inited || !decoder.name || !decoder.kernel || decoder.format == PC_TEX_FMT_NONE)
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return PC_TEX_FMT_NONE;
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2010-06-09 01:37:08 +00:00
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#ifdef DEBUG_OPENCL
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g_clsrc = clCreateBuffer(OpenCL::GetContext(), CL_MEM_READ_ONLY , 1024 * 1024 * sizeof(u32), NULL, NULL);
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g_cldst = clCreateBuffer(OpenCL::GetContext(), CL_MEM_WRITE_ONLY, 1024 * 1024 * sizeof(u32), NULL, NULL);
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#endif
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2010-06-22 00:52:17 +00:00
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clEnqueueWriteBuffer(OpenCL::GetCommandQueue(), g_clsrc, CL_TRUE, 0, (size_t)(width * height * decoder.sizeOfSrc), src, 0, NULL, NULL);
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2010-06-09 01:37:08 +00:00
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2010-06-22 00:52:17 +00:00
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clSetKernelArg(decoder.kernel, 0, sizeof(cl_mem), &g_cldst);
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clSetKernelArg(decoder.kernel, 1, sizeof(cl_mem), &g_clsrc);
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clSetKernelArg(decoder.kernel, 2, sizeof(cl_int), &width);
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2010-06-09 01:37:08 +00:00
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2010-06-22 00:52:17 +00:00
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size_t global[] = { (size_t)(width / decoder.xSkip), (size_t)(height / decoder.ySkip) };
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2010-06-09 01:37:08 +00:00
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// No work-groups for now
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/*
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size_t local;
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err = clGetKernelWorkGroupInfo(kernelToRun, OpenCL::device_id, CL_KERNEL_WORK_GROUP_SIZE, sizeof(local), &local, NULL);
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if(err)
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PanicAlert("Error obtaining work-group information");
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*/
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2010-06-22 00:52:17 +00:00
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err = clEnqueueNDRangeKernel(OpenCL::GetCommandQueue(), decoder.kernel, 2, NULL, global, NULL, 0, NULL, NULL);
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if(err)
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OpenCL::HandleCLError(err, "Failed to enqueue kernel");
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2010-06-09 01:37:08 +00:00
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clFinish(OpenCL::GetCommandQueue());
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2010-06-26 13:12:28 +00:00
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2010-06-22 00:52:17 +00:00
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clEnqueueReadBuffer(OpenCL::GetCommandQueue(), g_cldst, CL_TRUE, 0, (size_t)(width * height * decoder.sizeOfDst), dst, 0, NULL, NULL);
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2010-06-09 01:37:08 +00:00
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#ifdef DEBUG_OPENCL
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clReleaseMemObject(g_clsrc);
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clReleaseMemObject(g_cldst);
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#endif
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2010-06-22 00:52:17 +00:00
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return decoder.format;
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2010-06-09 01:37:08 +00:00
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#else
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return PC_TEX_FMT_NONE;
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#endif
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}
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