367 lines
13 KiB
C++
367 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 "TextureDecoder.h"
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#include "OpenCL.h"
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#include <CL/cl.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 <unistd.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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const char **cKernel;
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};
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const char *Kernel = " \n \
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__kernel void Decode(__global unsigned char *dst, \n \
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const __global unsigned char *src, \n \
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const __global int width, const __global int height) \n \
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{ \n \
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// int x = get_global_id(0) % width, y = get_global_id(0) / width; \n \
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int srcOffset = 0; \n \
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for (int y = 0; y < height; y += 4) \n \
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for (int x = 0; x < width; x += 8) \n \
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for (int iy = 0; iy < 4; iy++, srcOffset += 8) \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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} \n \
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}\n";
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// memcpy(dst + (y + iy)*width+x, src, 8);
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const char *KernelOld = " \n \
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__kernel void Decode(__global uchar *dst, \n \
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const __global uchar *src, \n \
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int width, int height) \n \
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{ \n \
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dst[get_global_id(0)] = 0xFF; \n \
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} \n ";
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sDecoders Decoders[] = { {NULL, NULL, &Kernel}, };
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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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int err;
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if(!g_Inited)
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{
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g_Inited = true;
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#if defined(HAVE_OPENCL) && HAVE_OPENCL
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// TODO: Switch this over to the OpenCl.h backend
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// Create the compute program from the source buffer
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//
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Decoders[0].program = clCreateProgramWithSource(OpenCL::g_context, 1, (const char **) & Kernel, NULL, &err);
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if (!Decoders[0].program)
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{
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printf("Error: Failed to create compute program!\n");
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return PC_TEX_FMT_NONE;
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}
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// Build the program executable
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//
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err = clBuildProgram(Decoders[0].program , 0, NULL, NULL, NULL, NULL);
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if (err != CL_SUCCESS)
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{
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size_t len;
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char buffer[2048];
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printf("Error: Failed to build program executable!\n");
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clGetProgramBuildInfo(Decoders[0].program , OpenCL::device_id, CL_PROGRAM_BUILD_LOG, sizeof(buffer), buffer, &len);
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printf("%s\n", buffer);
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exit(1);
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}
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// Create the compute kernel in the program we wish to run
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//
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Decoders[0].kernel = clCreateKernel(Decoders[0].program, "Decode", &err);
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if (!Decoders[0].kernel || err != CL_SUCCESS)
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{
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printf("Error: Failed to create compute kernel!\n");
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exit(1);
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}
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#endif
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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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int srcOffset = 0;
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for (int y = 0; y < height; y ++)
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for (int x = 0; x < width; x ++)
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{
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//printf("X: %d Y: %d, copying 32 bytes from %d to %d\n", x, y, srcOffset,(y)*width+x);
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memcpy(dst + (y + 0)*width+x, src + srcOffset + 0, 8);
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memcpy(dst + (y + 1)*width+x, src + srcOffset + 8, 8);
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memcpy(dst + (y + 2)*width+x, src + srcOffset + 16, 8);
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memcpy(dst + (y + 3)*width+x, src + srcOffset + 24, 8);
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srcOffset += 4;
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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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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, TexDecoder_GetTextureSizeInBytes(width, height, texformat), 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, TexDecoder_GetTextureSizeInBytes(width, height, texformat), (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(int), &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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exit(1);
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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, TexDecoder_GetTextureSizeInBytes(width, height, texformat), 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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/*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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