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116 lines
3.4 KiB
116 lines
3.4 KiB
//
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// Copyright (c) 2017 The Khronos Group Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#define GL_GLEXT_PROTOTYPES
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#include "setup.h"
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#include "testBase.h"
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#include "harness/errorHelpers.h"
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#include <GL/gl.h>
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#include <GL/glut.h>
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#include <GL/glext.h>
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#include <GL/freeglut.h>
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#include <GL/glx.h>
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#include <CL/cl_ext.h>
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class X11GLEnvironment : public GLEnvironment
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{
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private:
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cl_device_id m_devices[64];
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cl_uint m_device_count;
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public:
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X11GLEnvironment()
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{
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m_device_count = 0;
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}
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virtual int Init( int *argc, char **argv, int use_opencl_32 )
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{
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// Create a GLUT window to render into
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glutInit( argc, argv );
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glutInitWindowSize( 512, 512 );
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glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
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glutCreateWindow( "OpenCL <-> OpenGL Test" );
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glewInit();
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return 0;
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}
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virtual cl_context CreateCLContext( void )
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{
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GLXContext context = glXGetCurrentContext();
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Display *dpy = glXGetCurrentDisplay();
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cl_context_properties properties[] = {
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CL_GL_CONTEXT_KHR, (cl_context_properties) context,
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CL_GLX_DISPLAY_KHR, (cl_context_properties) dpy,
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0
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};
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cl_int status;
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if (!context || !dpy) {
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print_error(CL_INVALID_CONTEXT, "No GL context bound");
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return 0;
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}
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return clCreateContext(properties, 1, m_devices, NULL, NULL, &status);
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}
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virtual int SupportsCLGLInterop( cl_device_type device_type )
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{
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int found_valid_device = 0;
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cl_platform_id platform;
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cl_device_id devices[64];
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cl_uint num_of_devices;
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int error;
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error = clGetPlatformIDs(1, &platform, NULL);
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if (error) {
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print_error(error, "clGetPlatformIDs failed");
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return -1;
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}
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error = clGetDeviceIDs(platform, device_type, 64, devices, &num_of_devices);
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// If this platform doesn't have any of the requested device_type (namely GPUs) then return 0
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if (error == CL_DEVICE_NOT_FOUND)
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return 0;
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if (error) {
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print_error(error, "clGetDeviceIDs failed");
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return -1;
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}
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for (int i=0; i<(int)num_of_devices; i++) {
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if (!is_extension_available(devices[i], "cl_khr_gl_sharing ")) {
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log_info("Device %d of %d does not support required extension cl_khr_gl_sharing.\n", i+1, num_of_devices);
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} else {
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log_info("Device %d of %d supports required extension cl_khr_gl_sharing.\n", i+1, num_of_devices);
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found_valid_device = 1;
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m_devices[m_device_count++] = devices[i];
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}
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}
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return found_valid_device;
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}
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virtual ~X11GLEnvironment()
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{
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}
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};
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GLEnvironment * GLEnvironment::Instance( void )
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{
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static X11GLEnvironment * env = NULL;
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if( env == NULL )
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env = new X11GLEnvironment();
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return env;
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}
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