You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
143 lines
4.3 KiB
143 lines
4.3 KiB
//
|
|
// Copyright (c) 2017 The Khronos Group Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
//
|
|
#include "setup.h"
|
|
#include "harness/errorHelpers.h"
|
|
#include <OpenGL/CGLDevice.h>
|
|
|
|
class OSXGLEnvironment : public GLEnvironment
|
|
{
|
|
public:
|
|
OSXGLEnvironment()
|
|
{
|
|
mCGLContext = NULL;
|
|
}
|
|
|
|
virtual int Init( int *argc, char **argv, int use_opengl_32 )
|
|
{
|
|
if (!use_opengl_32) {
|
|
|
|
// Create a GLUT window to render into
|
|
glutInit( argc, argv );
|
|
glutInitWindowSize( 512, 512 );
|
|
glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
|
|
glutCreateWindow( "OpenCL <-> OpenGL Test" );
|
|
}
|
|
|
|
else {
|
|
|
|
CGLPixelFormatAttribute attribs[] = {
|
|
kCGLPFAOpenGLProfile, (CGLPixelFormatAttribute)kCGLOGLPVersion_3_2_Core,
|
|
kCGLPFAAllowOfflineRenderers,
|
|
kCGLPFANoRecovery,
|
|
kCGLPFAAccelerated,
|
|
kCGLPFADoubleBuffer,
|
|
(CGLPixelFormatAttribute)0
|
|
};
|
|
|
|
CGLError err;
|
|
CGLPixelFormatObj pix;
|
|
GLint npix;
|
|
err = CGLChoosePixelFormat (attribs, &pix, &npix);
|
|
if(err != kCGLNoError)
|
|
{
|
|
log_error("Failed to choose pixel format\n");
|
|
return -1;
|
|
}
|
|
err = CGLCreateContext(pix, NULL, &mCGLContext);
|
|
if(err != kCGLNoError)
|
|
{
|
|
log_error("Failed to create GL context\n");
|
|
return -1;
|
|
}
|
|
CGLSetCurrentContext(mCGLContext);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
virtual cl_context CreateCLContext( void )
|
|
{
|
|
int error;
|
|
|
|
if( mCGLContext == NULL )
|
|
mCGLContext = CGLGetCurrentContext();
|
|
|
|
CGLShareGroupObj share_group = CGLGetShareGroup(mCGLContext);
|
|
cl_context_properties properties[] = { CL_CONTEXT_PROPERTY_USE_CGL_SHAREGROUP_APPLE, (cl_context_properties)share_group, 0 };
|
|
cl_context context = clCreateContext(properties, 0, 0, 0, 0, &error);
|
|
if (error) {
|
|
print_error(error, "clCreateContext failed");
|
|
return NULL;
|
|
}
|
|
|
|
// Verify that all devices in the context support the required extension
|
|
cl_device_id devices[64];
|
|
size_t size_out;
|
|
error = clGetContextInfo(context, CL_CONTEXT_DEVICES, sizeof(devices), devices, &size_out);
|
|
if (error) {
|
|
print_error(error, "clGetContextInfo failed");
|
|
return NULL;
|
|
}
|
|
|
|
for (int i=0; i<(int)(size_out/sizeof(cl_device_id)); i++) {
|
|
if (!is_extension_available(devices[i], "cl_APPLE_gl_sharing")) {
|
|
log_error("Device %d does not support required extension cl_APPLE_gl_sharing.\n", i);
|
|
return NULL;
|
|
}
|
|
}
|
|
return context;
|
|
}
|
|
|
|
virtual int SupportsCLGLInterop( cl_device_type device_type )
|
|
{
|
|
int found_valid_device = 0;
|
|
cl_device_id devices[64];
|
|
cl_uint num_of_devices;
|
|
int error;
|
|
error = clGetDeviceIDs(NULL, device_type, 64, devices, &num_of_devices);
|
|
if (error) {
|
|
print_error(error, "clGetDeviceIDs failed");
|
|
return -1;
|
|
}
|
|
|
|
for (int i=0; i<(int)num_of_devices; i++) {
|
|
if (!is_extension_available(devices[i], "cl_APPLE_gl_sharing")) {
|
|
log_info("Device %d of %d does not support required extension cl_APPLE_gl_sharing.\n", i, num_of_devices);
|
|
} else {
|
|
log_info("Device %d of %d does support required extension cl_APPLE_gl_sharing.\n", i, num_of_devices);
|
|
found_valid_device = 1;
|
|
}
|
|
}
|
|
return found_valid_device;
|
|
}
|
|
|
|
virtual ~OSXGLEnvironment()
|
|
{
|
|
CGLDestroyContext( mCGLContext );
|
|
}
|
|
|
|
CGLContextObj mCGLContext;
|
|
|
|
};
|
|
|
|
GLEnvironment * GLEnvironment::Instance( void )
|
|
{
|
|
static OSXGLEnvironment * env = NULL;
|
|
if( env == NULL )
|
|
env = new OSXGLEnvironment();
|
|
return env;
|
|
}
|