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Instead of using the BFI_INT patching hack on any device reporting cl_amd_media_ops, create a whitelist of devices that need it.

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This should enable GCN architectures (ATI 79xx cards) to work properly.
This commit is contained in:
Con Kolivas 2012-01-24 20:23:44 +11:00
parent 91f8901df2
commit 3d4cfce8df
2 changed files with 34 additions and 14 deletions
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43
ocl.c
View File

@ -185,7 +185,7 @@ void patch_opcodes(char *w, unsigned remaining)
_clState *initCl(unsigned int gpu, char *name, size_t nameSize)
{
int patchbfi = 0;
bool patchbfi = false;
cl_int status = 0;
unsigned int i;
@ -253,7 +253,7 @@ _clState *initCl(unsigned int gpu, char *name, size_t nameSize)
applog(LOG_INFO, "List of devices:");
unsigned int i;
for(i=0; i < numDevices; i++) {
for (i = 0; i < numDevices; i++) {
char pbuff[100];
status = clGetDeviceInfo(devices[i], CL_DEVICE_NAME, sizeof(pbuff), pbuff, NULL);
if (status != CL_SUCCESS) {
@ -302,7 +302,7 @@ _clState *initCl(unsigned int gpu, char *name, size_t nameSize)
}
find = strstr(extensions, camo);
if (find)
clState->hasBitAlign = patchbfi = 1;
clState->hasBitAlign = true;
status = clGetDeviceInfo(devices[gpu], CL_DEVICE_PREFERRED_VECTOR_WIDTH_INT, sizeof(cl_uint), (void *)&clState->preferred_vwidth, NULL);
if (status != CL_SUCCESS) {
@ -439,6 +439,11 @@ _clState *initCl(unsigned int gpu, char *name, size_t nameSize)
if (opt_debug)
applog(LOG_DEBUG, "Loaded binary image %s", binaryfilename);
/* We don't need to patch this already loaded image, but need to
* set the flag for status later */
if (clState->hasBitAlign)
patchbfi = true;
free(binaries[gpu]);
goto built;
}
@ -473,21 +478,32 @@ build:
if (clState->hasBitAlign) {
strcat(CompilerOptions, " -DBITALIGN");
if (opt_debug)
applog(LOG_DEBUG, "cl_amd_media_ops found, patched source with BITALIGN");
applog(LOG_DEBUG, "cl_amd_media_ops found, setting BITALIGN");
if (strstr(name, "Cedar") ||
strstr(name, "Redwood") ||
strstr(name, "Juniper") ||
strstr(name, "Cypress" ) ||
strstr(name, "Hemlock" ) ||
strstr(name, "Caicos" ) ||
strstr(name, "Turks" ) ||
strstr(name, "Barts" ) ||
strstr(name, "Cayman" ) ||
strstr(name, "Antilles" ) ||
strstr(name, "Wrestler" ) ||
strstr(name, "Zacate" ) ||
strstr(name, "WinterPark" ) ||
strstr(name, "BeaverCreek" ))
patchbfi = true;
} else if (opt_debug)
applog(LOG_DEBUG, "cl_amd_media_ops not found, will not BITALIGN patch");
applog(LOG_DEBUG, "cl_amd_media_ops not found, will not set BITALIGN");
if (patchbfi) {
strcat(CompilerOptions, " -DBFI_INT");
if (opt_debug)
applog(LOG_DEBUG, "cl_amd_media_ops found, patched source with BFI_INT");
applog(LOG_DEBUG, "BFI_INT patch requiring device found, patched source with BFI_INT");
} else if (opt_debug)
applog(LOG_DEBUG, "cl_amd_media_ops not found, will not BFI_INT patch");
applog(LOG_DEBUG, "BFI_INT patch requiring device not found, will not BFI_INT patch");
//int n = 1000;
//while(n--)
// printf("%s", CompilerOptions);
//return 1;
status = clBuildProgram(clState->program, 1, &devices[gpu], CompilerOptions , NULL, NULL);
if (status != CL_SUCCESS) {
@ -521,7 +537,8 @@ build:
return NULL;
}
/* Patch the kernel if the hardware supports BFI_INT */
/* Patch the kernel if the hardware supports BFI_INT but it needs to
* be hacked in */
if (patchbfi) {
unsigned remaining = binary_sizes[gpu];
char *w = binaries[gpu];
@ -595,7 +612,7 @@ built:
free(binaries);
free(binary_sizes);
applog(LOG_INFO, "Initialising kernel %s with%s BFI_INT patching, %d vectors and worksize %d",
applog(LOG_INFO, "Initialising kernel %s with%s BFI_INT, %d vectors and worksize %d",
filename, patchbfi ? "" : "out", clState->preferred_vwidth, clState->work_size);
/* create a cl program executable for all the devices specified */

5
ocl.h
View File

@ -1,6 +1,9 @@
#ifndef __OCL_H__
#define __OCL_H__
#include "config.h"
#include <stdbool.h>
#ifdef HAVE_OPENCL
#ifdef __APPLE_CC__
#include <OpenCL/opencl.h>
@ -14,7 +17,7 @@ typedef struct {
cl_command_queue commandQueue;
cl_program program;
cl_mem outputBuffer;
int hasBitAlign;
bool hasBitAlign;
cl_uint preferred_vwidth;
size_t max_work_size;
size_t work_size;