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
This commit is contained in:
XTra.KrazzY 2009-10-11 20:03:55 +00:00
parent 6a537dd095
commit 449abdb01d

View File

@ -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)
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 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;
}