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OpenCL: More formats (thanks, orphis) RGBA8, RGB565, RGB5A3. Optimized the buffer creation. There is a visible performance boost. 

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4422 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
XTra.KrazzY 2009-10-14 22:28:23 +00:00
parent 9f8a2986a2
commit 540f59ef07
3 changed files with 137 additions and 21 deletions
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5
Source/Core/VideoCommon/Src/OpcodeDecoding.cpp
View File

@ -43,6 +43,9 @@
#include "DataReader.h"
#include "OpenCL.h"
#if defined(HAVE_OPENCL) && HAVE_OPENCL
#include "OpenCL/OCLTextureDecoder.h"
#endif
u8* g_pVideoData = 0;
@ -383,6 +386,7 @@ void OpcodeDecoder_Init()
#if defined(HAVE_OPENCL) && HAVE_OPENCL
OpenCL::Initialize();
TexDecoder_OpenCL_Initialize();
#endif
}
@ -391,6 +395,7 @@ void OpcodeDecoder_Shutdown()
{
#if defined(HAVE_OPENCL) && HAVE_OPENCL
OpenCL::Destroy();
TexDecoder_OpenCL_Shutdown();
#endif
}

144
Source/Core/VideoCommon/Src/OpenCL/OCLTextureDecoder.cpp
View File

@ -97,6 +97,74 @@ kernel void DecodeIA4(global uchar *dst, \n\
} \n\
} \n\
\n\
kernel void DecodeRGBA8(global uchar *dst, \n\
const global uchar *src, int width) \n\
{ \n\
int x = get_global_id(0) * 4, y = get_global_id(1) * 4; \n\
int srcOffset = (x * 2) + (y * width) / 2; \n\
for (int iy = 0; iy < 4; iy++) \n\
{ \n\
uchar8 ar = vload8(srcOffset, src); \n\
uchar8 gb = vload8(srcOffset + 4, src); \n\
uchar16 res; \n\
res.even.even = gb.odd; \n\
res.even.odd = ar.odd; \n\
res.odd.even = gb.even; \n\
res.odd.odd = ar.even; \n\
vstore16(res, 0, dst + ((y + iy)*width + x) * 4); \n\
srcOffset++; \n\
} \n\
} \n\
\n\
kernel void DecodeRGB565(global ushort *dst, \n\
const global ushort *src, int width) \n\
{ \n\
int x = get_global_id(0) * 4, y = get_global_id(1) * 4; \n\
int srcOffset = x + (y * width) / 4; \n\
for (int iy = 0; iy < 4; iy++) \n\
{ \n\
ushort4 val = vload4(srcOffset, src); \n\
val = (val >> 8) | (val << 8); \n\
vstore4(val, 0, dst + ((y + iy)*width + x)); \n\
srcOffset++; \n\
} \n\
} \n\
\n\
kernel void DecodeRGB5A3(global uchar *dst, \n\
const global uchar *src, int width) \n\
{ \n\
int x = get_global_id(0) * 4, y = get_global_id(1) * 4; \n\
int srcOffset = x + (y * width) / 4; \n\
for (int iy = 0; iy < 4; iy++) \n\
{ \n\
ushort8 val = convert_ushort8(vload8(srcOffset, src));\n\
ushort4 vs = val.odd | (val.even << 8); \n\
uchar16 resNoAlpha; \n\
resNoAlpha.odd.odd = (uchar4)(0xFF); \n\
resNoAlpha.even.odd = convert_uchar4(vs >> 7) & 0xF8; \n\
resNoAlpha.odd.even = convert_uchar4(vs >> 2) & 0xF8; \n\
resNoAlpha.even.even = convert_uchar4(vs << 3) & 0xF8;\n\
// Better but cause color bleeding \n\
//resNoAlpha |= resNoAlpha >> 5; \n\
uchar16 resAlpha; \n\
resAlpha.even.odd = convert_uchar4(vs >> 8) & 0x0F; \n\
resAlpha.odd.even = convert_uchar4(vs >> 4) & 0x0F; \n\
resAlpha.even.even = convert_uchar4(vs) & 0x0F; \n\
resAlpha |= resNoAlpha << 4; \n\
resAlpha.odd.odd = convert_uchar4(vs >> 7) & 0xE0; \n\
resAlpha.odd.odd |= (resAlpha.odd.odd >> 3) \n\
| (resAlpha.odd.odd >> 6); \n\
uchar16 choice = (uchar16)((uchar4)(vs.s0 >> 8), \n\
(uchar4)(vs.s1 >> 8), \n\
(uchar4)(vs.s2 >> 8), \n\
(uchar4)(vs.s3 >> 8)); \n\
uchar16 res; \n\
res = select(resAlpha, resNoAlpha, choice); \n\
vstore16(res, 0, dst + ((y + iy)*width + x) * 4); \n\
srcOffset++; \n\
} \n\
} \n\
\n\
kernel void DecodeDXT(global ulong *dst, \n\
const global ulong *src, int width) \n\
{ // TODO: PLEASE NOTE THAT THIS CODE DOES NOT WORK \n\
@ -118,24 +186,22 @@ sDecoders Decoders[] = {
{"DecodeI8", NULL},
{"DecodeIA4", NULL},
{"DecodeIA8", NULL},
{"DecodeRGBA8", NULL},
{"DecodeRGB565", NULL},
{"DecodeRGB5A3", NULL},
{"DecodeDXT", NULL},
{"", NULL},
};
bool g_Inited = false;
cl_mem g_clsrc, g_cldst; // texture buffer memory objects
extern PC_TexFormat TexDecoder_Decode_OpenCL(u8 *dst, const u8 *src, int width, int height, int texformat, int tlutaddr, int tlutfmt)
{
void TexDecoder_OpenCL_Initialize() {
#if defined(HAVE_OPENCL) && HAVE_OPENCL
cl_int err;
cl_kernel kernelToRun = Decoders[0].kernel;
float sizeOfDst = sizeof(u8), sizeOfSrc = sizeof(u8), xSkip, ySkip;
PC_TexFormat formatResult;
cl_mem clsrc, cldst; // texture buffer memory objects
if(!g_Inited)
{
if(!OpenCL::Initialize())
return PC_TEX_FMT_NONE;
return;
g_program = OpenCL::CompileProgram(Kernel);
@ -146,8 +212,33 @@ extern PC_TexFormat TexDecoder_Decode_OpenCL(u8 *dst, const u8 *src, int width,
i++;
}
// Allocating maximal Wii texture size in advance, so that we don't have to allocate/deallocate per texture
g_clsrc = clCreateBuffer(OpenCL::GetContext(), CL_MEM_READ_ONLY , 1024 * 1024 * sizeof(u32), NULL, NULL);
g_cldst = clCreateBuffer(OpenCL::GetContext(), CL_MEM_WRITE_ONLY, 1024 * 1024 * sizeof(u32), NULL, NULL);
g_Inited = true;
}
#endif
}
void TexDecoder_OpenCL_Shutdown() {
#if defined(HAVE_OPENCL) && HAVE_OPENCL
if(g_clsrc)
clReleaseMemObject(g_clsrc);
if(g_cldst)
clReleaseMemObject(g_cldst);
#endif
}
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;
float sizeOfDst = sizeof(u8), sizeOfSrc = sizeof(u8), xSkip, ySkip;
PC_TexFormat formatResult;
switch(texformat)
{
case GX_TF_I4:
@ -181,9 +272,31 @@ extern PC_TexFormat TexDecoder_Decode_OpenCL(u8 *dst, const u8 *src, int width,
ySkip = 4;
formatResult = PC_TEX_FMT_IA8;
break;
case GX_TF_RGBA8:
kernelToRun = Decoders[4].kernel;
sizeOfSrc = sizeOfDst = sizeof(u32);
xSkip = 4;
ySkip = 4;
formatResult = PC_TEX_FMT_BGRA32;
break;
case GX_TF_RGB565:
kernelToRun = Decoders[5].kernel;
sizeOfSrc = sizeOfDst = sizeof(u16);
xSkip = 4;
ySkip = 4;
formatResult = PC_TEX_FMT_RGB565;
break;
case GX_TF_RGB5A3:
kernelToRun = Decoders[6].kernel;
sizeOfSrc = sizeof(u16);
sizeOfDst = sizeof(u32);
xSkip = 4;
ySkip = 4;
formatResult = PC_TEX_FMT_BGRA32;
break;
case GX_TF_CMPR:
return PC_TEX_FMT_NONE; // <-- TODO: Fix CMPR
kernelToRun = Decoders[3].kernel;
kernelToRun = Decoders[7].kernel;
sizeOfSrc = sizeOfDst = sizeof(u32);
xSkip = 8;
ySkip = 8;
@ -193,12 +306,10 @@ extern PC_TexFormat TexDecoder_Decode_OpenCL(u8 *dst, const u8 *src, int width,
return PC_TEX_FMT_NONE;
}
// TODO: Optimize
clsrc = clCreateBuffer(OpenCL::GetContext(), CL_MEM_READ_ONLY | CL_MEM_COPY_HOST_PTR, (size_t)(width * height * sizeOfSrc), (void *)src, NULL);
cldst = clCreateBuffer(OpenCL::GetContext(), CL_MEM_WRITE_ONLY, width * height * sizeOfDst, NULL, NULL);
clEnqueueWriteBuffer(OpenCL::GetCommandQueue(), g_clsrc, CL_TRUE, 0, (size_t)(width * height * sizeOfSrc), src, 0, NULL, NULL);
clSetKernelArg(kernelToRun, 0, sizeof(cl_mem), &cldst);
clSetKernelArg(kernelToRun, 1, sizeof(cl_mem), &clsrc);
clSetKernelArg(kernelToRun, 0, sizeof(cl_mem), &g_cldst);
clSetKernelArg(kernelToRun, 1, sizeof(cl_mem), &g_clsrc);
clSetKernelArg(kernelToRun, 2, sizeof(cl_int), &width);
size_t global[] = { (size_t)(width / xSkip), (size_t)(height / ySkip) };
@ -217,10 +328,7 @@ extern PC_TexFormat TexDecoder_Decode_OpenCL(u8 *dst, const u8 *src, int width,
clFinish(OpenCL::GetCommandQueue());
clEnqueueReadBuffer(OpenCL::GetCommandQueue(), cldst, CL_TRUE, 0, (size_t)(width * height * sizeOfDst), dst, 0, NULL, NULL);
clReleaseMemObject(clsrc);
clReleaseMemObject(cldst);
clEnqueueReadBuffer(OpenCL::GetCommandQueue(), g_cldst, CL_TRUE, 0, (size_t)(width * height * sizeOfDst), dst, 0, NULL, NULL);
return formatResult;
#else

3
Source/Core/VideoCommon/Src/OpenCL/OCLTextureDecoder.h
View File

@ -20,6 +20,9 @@
#include "Common.h"
#include "../TextureDecoder.h"
void TexDecoder_OpenCL_Initialize();
void TexDecoder_OpenCL_Shutdown();
PC_TexFormat TexDecoder_Decode_OpenCL(u8 *dst, const u8 *src, int width, int height, int texformat, int tlutaddr, int tlutfmt);
#endif