357 lines
13 KiB
C++
357 lines
13 KiB
C++
// 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 <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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struct sDecoders
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{
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cl_program program; // compute program
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cl_kernel kernel; // compute kernel
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cl_mem src, dst; // texture buffer memory objects
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};
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const char *Kernel = " \n\
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kernel void DecodeI8(global uchar *dst, \n\
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const global uchar *src, int width) \n\
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{ \n\
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int x = get_global_id(0) * 8, y = get_global_id(1) * 4; \n\
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int srcOffset = (x * 4) + (y * width); \n\
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for (int iy = 0; iy < 4; iy++) \n\
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{ \n\
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dst[(y + iy)*width + x] = src[srcOffset]; \n\
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dst[(y + iy)*width + x + 1] = src[srcOffset + 1]; \n\
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dst[(y + iy)*width + x + 2] = src[srcOffset + 2]; \n\
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dst[(y + iy)*width + x + 3] = src[srcOffset + 3]; \n\
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dst[(y + iy)*width + x + 4] = src[srcOffset + 4]; \n\
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dst[(y + iy)*width + x + 5] = src[srcOffset + 5]; \n\
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dst[(y + iy)*width + x + 6] = src[srcOffset + 6]; \n\
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dst[(y + iy)*width + x + 7] = src[srcOffset + 7]; \n\
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srcOffset += 8; \n\
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} \n\
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}\n";
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sDecoders Decoders[] = { {NULL, NULL, NULL, NULL}, };
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bool g_Inited = false;
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PC_TexFormat TexDecoder_Decode_OpenCL(u8 *dst, const u8 *src, int width, int height, int texformat, int tlutaddr, int tlutfmt)
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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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if(!g_Inited)
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{
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if(!OpenCL::Initialize())
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return PC_TEX_FMT_NONE;
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Decoders[0].program = OpenCL::CompileProgram(Kernel);
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Decoders[0].kernel = OpenCL::CompileKernel(Decoders[0].program, "DecodeI8");
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g_Inited = true;
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}
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switch(texformat)
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{
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case GX_TF_I8:
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{
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// TODO: Optimize
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//PanicAlert("Really calling the OCL version");
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Decoders[0].src = clCreateBuffer(OpenCL::GetContext(), CL_MEM_READ_ONLY | CL_MEM_COPY_HOST_PTR, width * height * sizeof(u8), (void *)src, NULL);
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Decoders[0].dst = clCreateBuffer(OpenCL::GetContext(), CL_MEM_WRITE_ONLY, width * height * sizeof(u8), NULL, NULL);
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clSetKernelArg(Decoders[0].kernel, 0, sizeof(cl_mem), &Decoders[0].dst);
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clSetKernelArg(Decoders[0].kernel, 1, sizeof(cl_mem), &Decoders[0].src);
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clSetKernelArg(Decoders[0].kernel, 2, sizeof(cl_int), &width);
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size_t global[] = { width / 8, height / 4 };
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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(Decoders[0].kernel, 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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err = clEnqueueNDRangeKernel(OpenCL::GetCommandQueue(), Decoders[0].kernel, 2 , NULL, global, NULL, 0, NULL, NULL);
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if(err)
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PanicAlert("Error queueing kernel");
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clFinish(OpenCL::GetCommandQueue());
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clEnqueueReadBuffer(OpenCL::GetCommandQueue(), Decoders[0].dst, CL_TRUE, 0, width * height * sizeof(u8), dst, 0, NULL, NULL);
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clReleaseMemObject(Decoders[0].src);
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clReleaseMemObject(Decoders[0].dst);
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/*
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for (int y = 0; y < height; y += 4)
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for (int x = 0; x < width; x += 8)
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for (int iy = 0; iy < 4; iy++, src += 8)
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memcpy(dst + (y + iy)*width+x, src, 8);
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*/
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return PC_TEX_FMT_I8;
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}
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default:
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return PC_TEX_FMT_NONE;
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}
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#else
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return PC_TEX_FMT_NONE;
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#endif
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/* OLD CODE
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switch(texformat)
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{
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case GX_TF_I8:
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{
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size_t global = 0; // global domain size for our calculation
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size_t local = 0; // local domain size for our calculation
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printf("width %d, height %d\n", width, height);
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// Create the input and output arrays in device memory for our calculation
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//
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cl_mem _dst = clCreateBuffer(OpenCL::g_context, CL_MEM_WRITE_ONLY, sizeof(unsigned char) * width * height, NULL, NULL);
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if (!dst)
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{
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printf("Error: Failed to allocate device memory!\n");
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exit(1);
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}
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cl_mem _src = clCreateBuffer(OpenCL::g_context, CL_MEM_READ_ONLY | CL_MEM_COPY_HOST_PTR, sizeof(unsigned char) * width * height, (void*)src, NULL);
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if (!src)
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{
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printf("Error: Failed to allocate device memory!\n");
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exit(1);
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}
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// Set the arguments to our compute kernel
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//
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err = 0;
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err = clSetKernelArg(Decoders[0].kernel, 0, sizeof(cl_mem), &_dst);
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err |= clSetKernelArg(Decoders[0].kernel, 1, sizeof(cl_mem), &_src);
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err |= clSetKernelArg(Decoders[0].kernel, 2, sizeof(cl_int), &width);
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err |= clSetKernelArg(Decoders[0].kernel, 3, sizeof(cl_int), &height);
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if (err != CL_SUCCESS)
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{
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printf("Error: Failed to set kernel arguments! %d\n", err);
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exit(1);
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}
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// Get the maximum work group size for executing the kernel on the device
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//
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err = clGetKernelWorkGroupInfo(Decoders[0].kernel, OpenCL::device_id, CL_KERNEL_WORK_GROUP_SIZE, sizeof(size_t), &local, NULL);
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if (err != CL_SUCCESS)
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{
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printf("Error: Failed to retrieve kernel work group info! %d\n", err);
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local = 64;
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}
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// Execute the kernel over the entire range of our 1d input data set
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// using the maximum number of work group items for this device
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//
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global = width * height;
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err = clEnqueueNDRangeKernel(OpenCL::g_cmdq, Decoders[0].kernel, 1, NULL, &global, &local, 0, NULL, NULL);
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if (err != CL_SUCCESS)
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{
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printf("Error: Failed to execute kernel! %d\n", err);
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return PC_TEX_FMT_NONE;
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}
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// Wait for the command commands to get serviced before reading back results
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//
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clFinish(OpenCL::g_cmdq);
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// Read back the results from the device to verify the output
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//
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err = clEnqueueReadBuffer( OpenCL::g_cmdq, _dst, CL_TRUE, 0, sizeof(unsigned char) * width * height, dst, 0, NULL, NULL );
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if (err != CL_SUCCESS)
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{
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printf("Error: Failed to read output array! %d\n", err);
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exit(1);
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}
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clReleaseMemObject(_dst);
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clReleaseMemObject(_src);
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}
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return PC_TEX_FMT_I8;
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break;
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default:
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return PC_TEX_FMT_NONE;
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}
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// TODO: clEnqueueNDRangeKernel
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*/
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/* switch (texformat)
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{
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case GX_TF_C4:
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if (tlutfmt == 2)
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{
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// Special decoding is required for TLUT format 5A3
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for (int y = 0; y < height; y += 8)
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for (int x = 0; x < width; x += 8)
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for (int iy = 0; iy < 8; iy++, src += 4)
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decodebytesC4_5A3_To_BGRA32((u32*)dst + (y + iy) * width + x, src, tlutaddr);
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}
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else
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{
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for (int y = 0; y < height; y += 8)
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for (int x = 0; x < width; x += 8)
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for (int iy = 0; iy < 8; iy++, src += 4)
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decodebytesC4_To_Raw16((u16*)dst + (y + iy) * width + x, src, tlutaddr);
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}
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return GetPCFormatFromTLUTFormat(tlutfmt);
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case GX_TF_I4:
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{
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for (int y = 0; y < height; y += 8)
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for (int x = 0; x < width; x += 8)
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for (int iy = 0; iy < 8; iy++, src += 4)
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for (int ix = 0; ix < 4; ix++)
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{
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int val = src[ix];
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dst[(y + iy) * width + x + ix * 2] = Convert4To8(val >> 4);
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dst[(y + iy) * width + x + ix * 2 + 1] = Convert4To8(val & 0xF);
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}
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}
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return PC_TEX_FMT_I4_AS_I8;
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case GX_TF_I8: // speed critical
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{
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for (int y = 0; y < height; y += 4)
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for (int x = 0; x < width; x += 8)
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for (int iy = 0; iy < 4; iy++, src += 8)
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memcpy(dst + (y + iy)*width+x, src, 8);
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}
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return PC_TEX_FMT_I8;
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case GX_TF_C8:
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if (tlutfmt == 2)
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{
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// Special decoding is required for TLUT format 5A3
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for (int y = 0; y < height; y += 4)
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for (int x = 0; x < width; x += 8)
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for (int iy = 0; iy < 4; iy++, src += 8)
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decodebytesC8_5A3_To_BGRA32((u32*)dst + (y + iy) * width + x, src, tlutaddr);
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}
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else
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{
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for (int y = 0; y < height; y += 4)
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for (int x = 0; x < width; x += 8)
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for (int iy = 0; iy < 4; iy++, src += 8)
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decodebytesC8_To_Raw16((u16*)dst + (y + iy) * width + x, src, tlutaddr);
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}
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return GetPCFormatFromTLUTFormat(tlutfmt);
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case GX_TF_IA4:
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{
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for (int y = 0; y < height; y += 4)
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for (int x = 0; x < width; x += 8)
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for (int iy = 0; iy < 4; iy++, src += 8)
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decodebytesIA4((u16*)dst + (y + iy) * width + x, src);
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}
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return PC_TEX_FMT_IA4_AS_IA8;
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case GX_TF_IA8:
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{
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for (int y = 0; y < height; y += 4)
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for (int x = 0; x < width; x += 4)
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for (int iy = 0; iy < 4; iy++, src += 8)
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{
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u16 *ptr = (u16 *)dst + (y + iy) * width + x;
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u16 *s = (u16 *)src;
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for(int j = 0; j < 4; j++)
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*ptr++ = Common::swap16(*s++);
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}
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}
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return PC_TEX_FMT_IA8;
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case GX_TF_C14X2:
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if (tlutfmt == 2)
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{
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// Special decoding is required for TLUT format 5A3
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for (int y = 0; y < height; y += 4)
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for (int x = 0; x < width; x += 4)
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for (int iy = 0; iy < 4; iy++, src += 8)
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decodebytesC14X2_5A3_To_BGRA32((u32*)dst + (y + iy) * width + x, (u16*)src, tlutaddr);
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}
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else
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{
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for (int y = 0; y < height; y += 4)
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for (int x = 0; x < width; x += 4)
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for (int iy = 0; iy < 4; iy++, src += 8)
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decodebytesC14X2_To_Raw16((u16*)dst + (y + iy) * width + x, (u16*)src, tlutaddr);
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}
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return GetPCFormatFromTLUTFormat(tlutfmt);
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case GX_TF_RGB565:
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{
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for (int y = 0; y < height; y += 4)
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for (int x = 0; x < width; x += 4)
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for (int iy = 0; iy < 4; iy++, src += 8)
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{
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u16 *ptr = (u16 *)dst + (y + iy) * width + x;
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u16 *s = (u16 *)src;
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for(int j = 0; j < 4; j++)
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*ptr++ = Common::swap16(*s++);
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}
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}
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return PC_TEX_FMT_RGB565;
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case GX_TF_RGB5A3:
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{
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for (int y = 0; y < height; y += 4)
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for (int x = 0; x < width; x += 4)
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for (int iy = 0; iy < 4; iy++, src += 8)
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//decodebytesRGB5A3((u32*)dst+(y+iy)*width+x, (u16*)src, 4);
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decodebytesRGB5A3((u32*)dst+(y+iy)*width+x, (u16*)src);
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}
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return PC_TEX_FMT_BGRA32;
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case GX_TF_RGBA8: // speed critical
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{
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for (int y = 0; y < height; y += 4)
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for (int x = 0; x < width; x += 4)
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{
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for (int iy = 0; iy < 4; iy++)
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decodebytesARGB8_4((u32*)dst + (y+iy)*width + x, (u16*)src + 4 * iy, (u16*)src + 4 * iy + 16);
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src += 64;
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}
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}
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return PC_TEX_FMT_BGRA32;
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case GX_TF_CMPR: // speed critical
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// The metroid games use this format almost exclusively.
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{
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for (int y = 0; y < height; y += 8)
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{
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for (int x = 0; x < width; x += 8)
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{
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decodeDXTBlock((u32*)dst + y * width + x, (DXTBlock*)src, width);
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src += sizeof(DXTBlock);
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decodeDXTBlock((u32*)dst + y * width + x + 4, (DXTBlock*)src, width);
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src += sizeof(DXTBlock);
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decodeDXTBlock((u32*)dst + (y + 4) * width + x, (DXTBlock*)src, width);
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src += sizeof(DXTBlock);
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decodeDXTBlock((u32*)dst + (y + 4) * width + x + 4, (DXTBlock*)src, width);
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src += sizeof(DXTBlock);
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}
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}
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return PC_TEX_FMT_BGRA32;
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}
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}
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*/
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// The "copy" texture formats, too?
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return PC_TEX_FMT_NONE;
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}
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