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-rw-r--r--Source/Core/VideoCommon/Src/OpenCL/TextureDecoder.cpp309
1 files changed, 309 insertions, 0 deletions
diff --git a/Source/Core/VideoCommon/Src/OpenCL/TextureDecoder.cpp b/Source/Core/VideoCommon/Src/OpenCL/TextureDecoder.cpp
new file mode 100644
index 0000000000..933559bc3a
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+++ b/Source/Core/VideoCommon/Src/OpenCL/TextureDecoder.cpp
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+// 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 "TextureDecoder.h"
+#include <CL/cl.h>
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+ size_t global; // global domain size for our calculation
+ size_t local; // local domain size for our calculation
+
+ cl_device_id device_id; // compute device id
+ cl_context context; // compute context
+ cl_command_queue commands; // compute command queue
+
+
+struct sDecoders
+{
+ cl_program program; // compute program
+ cl_kernel kernel; // compute kernel
+ const char **cKernel;
+};
+const char *Kernel = "\n" \
+"__kernel void Decode( __local unsigned char *dst, __local const unsigned char *src, \n" \
+" int width, int height) \n" \
+" int id = get_global_id(0); \n" \
+" for (int xy = 0; xy < height*width; xy += 4)"
+" for (int iy = 0; iy < 4; iy++, src += 8)"
+" {"
+" u16 *ptr = (u16 *)dst + ((xy / width) + iy) * width + (xy % width);"
+" u16 *s = (u16 *)src;"
+" for(int j = 0; j < 4; j++)"
+" *ptr++ = Common::swap16(*s++);"
+" }" \
+
+sDecoders Decoders[] = { {NULL, NULL, &Kernel},
+};
+bool Inited = false;
+
+bool Init_OpenCL()
+{
+ int err; // error code returned from api calls
+
+ // Connect to a compute device
+ //
+ int gpu = 1;
+ err = clGetDeviceIDs(NULL, gpu ? CL_DEVICE_TYPE_GPU : CL_DEVICE_TYPE_CPU, 1, &device_id, NULL);
+ if (err != CL_SUCCESS)
+ {
+ printf("Error: Failed to create a device group!\n");
+ return EXIT_FAILURE;
+ }
+
+ // Create a compute context
+ //
+ context = clCreateContext(0, 1, &device_id, NULL, NULL, &err);
+ if (!context)
+ {
+ printf("Error: Failed to create a compute context!\n");
+ return EXIT_FAILURE;
+ }
+
+ // Create a command commands
+ //
+ commands = clCreateCommandQueue(context, device_id, 0, &err);
+ if (!commands)
+ {
+ printf("Error: Failed to create a command commands!\n");
+ return EXIT_FAILURE;
+ }
+
+ // Create the compute program from the source buffer
+ //
+ /*
+ program = clCreateProgramWithSource(context, 1, (const char **) & KernelSource, NULL, &err);
+ if (!program)
+ {
+ printf("Error: Failed to create compute program!\n");
+ return EXIT_FAILURE;
+ }
+
+ // Build the program executable
+ //
+ err = clBuildProgram(program, 0, NULL, NULL, NULL, NULL);
+ if (err != CL_SUCCESS)
+ {
+ size_t len;
+ char buffer[2048];
+
+ printf("Error: Failed to build program executable!\n");
+ clGetProgramBuildInfo(program, device_id, CL_PROGRAM_BUILD_LOG, sizeof(buffer), buffer, &len);
+ printf("%s\n", buffer);
+ exit(1);
+ }
+
+ // Create the compute kernel in the program we wish to run
+ //
+ kernel = clCreateKernel(program, "Decoder", &err);
+ if (!kernel || err != CL_SUCCESS)
+ {
+ printf("Error: Failed to create compute kernel!\n");
+ exit(1);
+ } */
+}
+
+PC_TexFormat TexDecoder_Decode_real(u8 *dst, const u8 *src, int width, int height, int texformat, int tlutaddr, int tlutfmt)
+{
+ if(!Inited)
+ {
+ // Not yet inited, let's init now
+ // Need to make a init function later
+ if(!Init_OpenCL())
+ ;// Crap, seems we can't use OpenCL, should fallback on regular decoding
+ }
+ /*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.
+ {
+#if 0 // TODO - currently does not handle transparency correctly and causes problems when texture dimensions are not multiples of 8
+ // 11111111 22222222 55555555 66666666
+ // 33333333 44444444 77777777 88888888
+ for (int y = 0; y < height; y += 8)
+ {
+ for (int x = 0; x < width; x += 8)
+ {
+ copyDXTBlock(dst+(y/2)*width+x*2, src);
+ src += 8;
+ copyDXTBlock(dst+(y/2)*width+x*2+8, src);
+ src += 8;
+ copyDXTBlock(dst+(y/2+2)*width+x*2, src);
+ src += 8;
+ copyDXTBlock(dst+(y/2+2)*width+x*2+8, src);
+ src += 8;
+ }
+ }
+ return PC_TEX_FMT_DXT1;
+#else
+ 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);
+ }
+ }
+#endif
+ return PC_TEX_FMT_BGRA32;
+ }
+ }
+*/
+ // The "copy" texture formats, too?
+ return PC_TEX_FMT_NONE;
+}
+
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