| 1 | /* $Id: OpenGLTestDarwin.cpp 23384 2009-09-28 14:11:08Z vboxsync $ */
|
|---|
| 2 |
|
|---|
| 3 | /** @file
|
|---|
| 4 | * VBox host opengl support test
|
|---|
| 5 | */
|
|---|
| 6 |
|
|---|
| 7 | /*
|
|---|
| 8 | * Copyright (C) 2009 Sun Microsystems, Inc.
|
|---|
| 9 | *
|
|---|
| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 11 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 12 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 13 | * General Public License (GPL) as published by the Free Software
|
|---|
| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 17 | *
|
|---|
| 18 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
|
|---|
| 19 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
|
|---|
| 20 | * additional information or have any questions.
|
|---|
| 21 | */
|
|---|
| 22 |
|
|---|
| 23 |
|
|---|
| 24 | #include <OpenGL/OpenGL.h>
|
|---|
| 25 | #include <ApplicationServices/ApplicationServices.h>
|
|---|
| 26 | #include <OpenGL/gl.h>
|
|---|
| 27 | #ifdef VBOX_WITH_COCOA_QT
|
|---|
| 28 | # include <OpenGL/glu.h>
|
|---|
| 29 | # include <iprt/log.h>
|
|---|
| 30 | #endif /* VBOX_WITH_COCOA_QT */
|
|---|
| 31 |
|
|---|
| 32 | bool is3DAccelerationSupported()
|
|---|
| 33 | {
|
|---|
| 34 | CGDirectDisplayID display = CGMainDisplayID ();
|
|---|
| 35 | CGOpenGLDisplayMask cglDisplayMask = CGDisplayIDToOpenGLDisplayMask (display);
|
|---|
| 36 | CGLPixelFormatObj pixelFormat = NULL;
|
|---|
| 37 | GLint numPixelFormats = 0;
|
|---|
| 38 |
|
|---|
| 39 | CGLPixelFormatAttribute attribs[] = {
|
|---|
| 40 | kCGLPFADisplayMask,
|
|---|
| 41 | (CGLPixelFormatAttribute)cglDisplayMask,
|
|---|
| 42 | kCGLPFAAccelerated,
|
|---|
| 43 | kCGLPFADoubleBuffer,
|
|---|
| 44 | kCGLPFAWindow,
|
|---|
| 45 | (CGLPixelFormatAttribute)NULL
|
|---|
| 46 | };
|
|---|
| 47 |
|
|---|
| 48 | display = CGMainDisplayID();
|
|---|
| 49 | cglDisplayMask = CGDisplayIDToOpenGLDisplayMask(display);
|
|---|
| 50 | CGLChoosePixelFormat(attribs, &pixelFormat, &numPixelFormats);
|
|---|
| 51 |
|
|---|
| 52 | if (pixelFormat)
|
|---|
| 53 | {
|
|---|
| 54 | CGLContextObj cglContext = 0;
|
|---|
| 55 | CGLCreateContext(pixelFormat, NULL, &cglContext);
|
|---|
| 56 | CGLDestroyPixelFormat(pixelFormat);
|
|---|
| 57 | if (cglContext)
|
|---|
| 58 | {
|
|---|
| 59 | GLboolean isSupported = GL_TRUE;
|
|---|
| 60 | #ifdef VBOX_WITH_COCOA_QT
|
|---|
| 61 | /* On the Cocoa port we depend on the GL_EXT_framebuffer_object &
|
|---|
| 62 | * the GL_EXT_texture_rectangle extension. If they are not
|
|---|
| 63 | * available, disable 3D support. */
|
|---|
| 64 | CGLSetCurrentContext(cglContext);
|
|---|
| 65 | const GLubyte* strExt;
|
|---|
| 66 | strExt = glGetString(GL_EXTENSIONS);
|
|---|
| 67 | isSupported = gluCheckExtension((const GLubyte*)"GL_EXT_framebuffer_object", strExt);
|
|---|
| 68 | if (isSupported)
|
|---|
| 69 | {
|
|---|
| 70 | isSupported = gluCheckExtension((const GLubyte*)"GL_EXT_texture_rectangle", strExt);
|
|---|
| 71 | if (!isSupported)
|
|---|
| 72 | LogRel(("OpenGL Info: GL_EXT_texture_rectangle extension not supported\n"));
|
|---|
| 73 | }
|
|---|
| 74 | else
|
|---|
| 75 | LogRel(("OpenGL Info: GL_EXT_framebuffer_object extension not supported\n"));
|
|---|
| 76 | #endif /* VBOX_WITH_COCOA_QT */
|
|---|
| 77 | CGLDestroyContext(cglContext);
|
|---|
| 78 | return isSupported == GL_TRUE ? true : false;
|
|---|
| 79 | }
|
|---|
| 80 | }
|
|---|
| 81 |
|
|---|
| 82 | return false;
|
|---|
| 83 | }
|
|---|
| 84 |
|
|---|
