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fix bug of finding CPU device

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
highgod0401 2013-04-05 12:22:07 +08:00 committed by Michael Niedermayer
parent 9a8f1e7295
commit 99186f1fd2
1 changed files with 20 additions and 28 deletions
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48
libavutil/opencl.c
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@ -91,6 +91,9 @@ static OpenclUtils openclutils = {&openclutils_class};
static GPUEnv gpu_env;
static const cl_device_type device_type[] = {CL_DEVICE_TYPE_GPU, CL_DEVICE_TYPE_CPU, CL_DEVICE_TYPE_DEFAULT};
typedef struct {
int err_code;
const char *err_str;
@ -276,8 +279,8 @@ static int init_opencl_env(GPUEnv *gpu_env, AVOpenCLExternalEnv *ext_opencl_env)
cl_platform_id *platform_ids = NULL;
cl_context_properties cps[3];
char platform_name[100];
int i, ret = 0;
cl_device_type device_type[] = {CL_DEVICE_TYPE_GPU, CL_DEVICE_TYPE_CPU, CL_DEVICE_TYPE_DEFAULT};
int i, j, ret = 0;
if (ext_opencl_env) {
if (gpu_env->is_user_created)
return 0;
@ -328,22 +331,10 @@ static int init_opencl_env(GPUEnv *gpu_env, AVOpenCLExternalEnv *ext_opencl_env)
goto end;
}
gpu_env->platform_id = platform_ids[i];
status = clGetDeviceIDs(gpu_env->platform_id, CL_DEVICE_TYPE_GPU,
0, NULL, &num_devices);
if (status != CL_SUCCESS) {
av_log(&openclutils, AV_LOG_ERROR, "Could not get OpenCL device number:%s\n", opencl_errstr(status));
ret = AVERROR_EXTERNAL;
goto end;
}
if (num_devices == 0) {
//find CPU device
status = clGetDeviceIDs(gpu_env->platform_id, CL_DEVICE_TYPE_CPU,
0, NULL, &num_devices);
}
if (status != CL_SUCCESS) {
av_log(&openclutils, AV_LOG_ERROR, "Could not get OpenCL device ids: %s\n", opencl_errstr(status));
ret = AVERROR(EINVAL);
goto end;
for (j = 0; j < FF_ARRAY_ELEMS(device_type); j++) {
status = clGetDeviceIDs(gpu_env->platform_id, device_type[j], 0, NULL, &num_devices);
if (status == CL_SUCCESS)
break;
}
if (num_devices)
break;
@ -352,8 +343,15 @@ static int init_opencl_env(GPUEnv *gpu_env, AVOpenCLExternalEnv *ext_opencl_env)
ret = AVERROR_EXTERNAL;
goto end;
}
if (i >= num_platforms - 1) {
if (status != CL_SUCCESS) {
av_log(&openclutils, AV_LOG_ERROR,
"Could not get OpenCL device ids: %s\n", opencl_errstr(status));
ret = AVERROR(EINVAL);
goto end;
}
}
i++;
}
}
if (!gpu_env->platform_id) {
@ -378,22 +376,16 @@ static int init_opencl_env(GPUEnv *gpu_env, AVOpenCLExternalEnv *ext_opencl_env)
cps[2] = 0;
/* Check for GPU. */
for (i = 0; i < sizeof(device_type); i++) {
for (i = 0; i < FF_ARRAY_ELEMS(device_type); i++) {
gpu_env->device_type = device_type[i];
gpu_env->context = clCreateContextFromType(cps, gpu_env->device_type,
NULL, NULL, &status);
if (status != CL_SUCCESS) {
av_log(&openclutils, AV_LOG_ERROR,
"Could not get OpenCL context from device type: %s\n", opencl_errstr(status));
ret = AVERROR_EXTERNAL;
goto end;
}
if (gpu_env->context)
if (status == CL_SUCCESS)
break;
}
if (!gpu_env->context) {
av_log(&openclutils, AV_LOG_ERROR,
"Could not get OpenCL context from device type\n");
"Could not get OpenCL context from device type: %s\n", opencl_errstr(status));
ret = AVERROR_EXTERNAL;
goto end;
}