Initial open source release of OpenCL 2.1 CTS.

test_common/gl/setup_osx.cpp

@@ -0,0 +1,156 @@
+//
+// 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 "../../test_common/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;
+      }
+
+      char extensions[8192];
+      for (int i=0; i<(int)(size_out/sizeof(cl_device_id)); i++) {
+        error = clGetDeviceInfo(devices[i], CL_DEVICE_EXTENSIONS, sizeof(extensions), extensions, NULL);
+        if (error) {
+          print_error(error, "clGetDeviceInfo failed");
+          return NULL;
+        }
+
+        if (strstr(extensions, "cl_APPLE_gl_sharing") == NULL) {
+          log_error("Device %d does not supporte 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;
+      }
+
+      char extensions[8192];
+      for (int i=0; i<(int)num_of_devices; i++) {
+        error = clGetDeviceInfo(devices[i], CL_DEVICE_EXTENSIONS, sizeof(extensions), extensions, NULL);
+        if (error) {
+          print_error(error, "clGetDeviceInfo failed");
+          return -1;
+        }
+
+        if (strstr(extensions, "cl_APPLE_gl_sharing") == NULL) {
+          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;
+}