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Added EGL support into build system for GLES1 + GLES2.

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Added EGL support into GraphicsWindowX11.
This commit is contained in:
Robert Osfield
2009-10-30 15:17:38 +00:00
parent 0ca4c82e3a
commit 93d83010f8
14 changed files with 301 additions and 99 deletions
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221
src/osgViewer/GraphicsWindowX11.cpp
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@@ -276,6 +276,17 @@ bool GraphicsWindowX11::createVisualInfo()
}
else
{
#ifdef OSG_USE_EGL
_visualInfo = new XVisualInfo;
int depth = DefaultDepth( _display, _traits->screenNum );
if (XMatchVisualInfo( _display, _traits->screenNum, depth, TrueColor, _visualInfo )==0)
{
osg::notify(osg::NOTICE)<<"GraphicsWindowX11::createVisualInfo() failed."<<std::endl;
return false;
}
#else
typedef std::vector<int> Attributes;
Attributes attributes;
@@ -297,12 +308,12 @@ bool GraphicsWindowX11::createVisualInfo()
if (_traits->stencil) { attributes.push_back(GLX_STENCIL_SIZE); attributes.push_back(_traits->stencil); }
#if defined(GLX_SAMPLE_BUFFERS) && defined (GLX_SAMPLES)
if (_traits->sampleBuffers) { attributes.push_back(GLX_SAMPLE_BUFFERS); attributes.push_back(_traits->sampleBuffers); }
if (_traits->sampleBuffers) { attributes.push_back(GLX_SAMPLES); attributes.push_back(_traits->samples); }
#endif
#if defined(GLX_SAMPLE_BUFFERS) && defined (GLX_SAMPLES)
if (_traits->sampleBuffers) { attributes.push_back(GLX_SAMPLE_BUFFERS); attributes.push_back(_traits->sampleBuffers); }
if (_traits->sampleBuffers) { attributes.push_back(GLX_SAMPLES); attributes.push_back(_traits->samples); }
#endif
// TODO
// GLX_AUX_BUFFERS
// GLX_ACCUM_RED_SIZE
@@ -313,6 +324,7 @@ bool GraphicsWindowX11::createVisualInfo()
attributes.push_back(None);
_visualInfo = glXChooseVisual( _display, _traits->screenNum, &(attributes.front()) );
#endif
}
return _visualInfo != 0;
@@ -602,8 +614,6 @@ void GraphicsWindowX11::init()
_ownsWindow = windowHandle == 0;
_display = XOpenDisplay(_traits->displayName().c_str());
if (!_display)
@@ -613,18 +623,37 @@ void GraphicsWindowX11::init()
return;
}
// Query for GLX extension
int errorBase, eventBase;
if( glXQueryExtension( _display, &errorBase, &eventBase) == False )
{
osg::notify(osg::NOTICE)<<"Error: " << XDisplayName(_traits->displayName().c_str()) <<" has no GLX extension." << std::endl;
#ifdef OSG_USE_EGL
XCloseDisplay( _display );
_display = 0;
_valid = false;
return;
}
EGLDisplay eglDisplay = eglGetDisplay((EGLNativeDisplayType)_display);
EGLint eglMajorVersion, eglMinorVersion;
if (!eglInitialize(eglDisplay, &eglMajorVersion, &eglMinorVersion))
{
osg::notify(osg::NOTICE)<<"GraphicsWindowX11::init() - eglInitialize() failed."<<std::endl;
XCloseDisplay( _display );
_display = 0;
_valid = false;
return;
}
osg::notify(osg::NOTICE)<<"GraphicsWindowX11::init() - eglInitialize() succeded eglMajorVersion="<<eglMajorVersion<<" iMinorVersion="<<eglMinorVersion<<std::endl;
#else
// Query for GLX extension
int errorBase, eventBase;
if( glXQueryExtension( _display, &errorBase, &eventBase) == False )
{
osg::notify(osg::NOTICE)<<"Error: " << XDisplayName(_traits->displayName().c_str()) <<" has no GLX extension." << std::endl;
XCloseDisplay( _display );
_display = 0;
_valid = false;
return;
}
#endif
// osg::notify(osg::NOTICE)<<"GLX extension, errorBase="<<errorBase<<" eventBase="<<eventBase<<std::endl;
if (!createVisualInfo())
@@ -647,37 +676,111 @@ void GraphicsWindowX11::init()
}
}
GLXContext sharedContextGLX = NULL;
Context sharedContextGLX = NULL;
// get any shared GLX contexts
GraphicsWindowX11* graphicsWindowX11 = dynamic_cast<GraphicsWindowX11*>(_traits->sharedContext);
if (graphicsWindowX11)
{
sharedContextGLX = graphicsWindowX11->getGLXContext();
sharedContextGLX = graphicsWindowX11->getContext();
}
else
{
PixelBufferX11* pixelBufferX11 = dynamic_cast<PixelBufferX11*>(_traits->sharedContext);
if (pixelBufferX11 && pixelBufferX11->valid())
{
sharedContextGLX = pixelBufferX11->getGLXContext();
sharedContextGLX = pixelBufferX11->getContext();
}
}
_glxContext = glXCreateContext( _display, _visualInfo, sharedContextGLX, True );
if (!_glxContext)
{
osg::notify(osg::NOTICE)<<"Error: Unable to create OpenGL graphics context."<<std::endl;
XCloseDisplay( _display );
_display = 0;
_valid = false;
return;
}
_initialized = _ownsWindow ? createWindow() : setWindow(windowHandle);
_valid = _initialized;
#ifdef OSG_USE_EGL
_valid = _ownsWindow ? createWindow() : setWindow(windowHandle);
if (!_valid)
{
XCloseDisplay( _display );
_display = 0;
return;
}
osg::notify(osg::NOTICE)<<"GraphicsWindowX11::init() - window created ="<<_valid<<std::endl;
EGLConfig eglConfig = 0;
#if defined(OSG_GLES1_AVAILABLE)
EGLint configAttribs[3];
configAttribs[0] = EGL_SURFACE_TYPE;
configAttribs[1] = EGL_WINDOW_BIT;
configAttribs[2] = EGL_NONE;
#else
EGLint configAttribs[5];
configAttribs[0] = EGL_SURFACE_TYPE;
configAttribs[1] = EGL_WINDOW_BIT;
configAttribs[2] = EGL_RENDERABLE_TYPE;
configAttribs[3] = EGL_OPENGL_ES2_BIT;
configAttribs[4] = EGL_NONE;
#endif
int numConfigs;
if (!eglChooseConfig(eglDisplay, configAttribs, &eglConfig, 1, &numConfigs) || (numConfigs != 1))
{
osg::notify(osg::NOTICE)<<"GraphicsWindowX11::init() - eglChooseConfig() failed."<<std::endl;
XCloseDisplay( _display );
_valid = false;
_display = 0;
return;
}
_surface = eglCreateWindowSurface(eglDisplay, eglConfig, (EGLNativeWindowType)_window, NULL);
if (_surface == EGL_NO_SURFACE)
{
osg::notify(osg::NOTICE)<<"GraphicsWindowX11::init() - eglCreateWindowSurface(..) failed."<<std::endl;
XCloseDisplay( _display );
_valid = false;
_display = 0;
return;
}
#if defined(OSG_GLES1_AVAILABLE)
EGLint* contextAttribs = 0;
#else
EGLint contextAttribs[3];
pi32ContextAttribs[0] = EGL_CONTEXT_CLIENT_VERSION;
pi32ContextAttribs[1] = 2;
pi32ContextAttribs[2] = EGL_NONE;
#endif
_context = eglCreateContext(eglDisplay, eglConfig, NULL, contextAttribs);
if (_context == EGL_NO_CONTEXT)
{
osg::notify(osg::NOTICE)<<"GraphicsWindowX11::init() - eglCreateContext(..) failed."<<std::endl;
XCloseDisplay( _display );
_valid = false;
_display = 0;
return;
}
_initialized = true;
#else
_context = glXCreateContext( _display, _visualInfo, sharedContextGLX, True );
if (!_context)
{
osg::notify(osg::NOTICE)<<"Error: Unable to create OpenGL graphics context."<<std::endl;
XCloseDisplay( _display );
_display = 0;
_valid = false;
return;
}
_initialized = _ownsWindow ? createWindow() : setWindow(windowHandle);
_valid = _initialized;
#endif
if (_valid == false)
{
XCloseDisplay( _display );
@@ -723,7 +826,7 @@ bool GraphicsWindowX11::createWindow()
if (!_window)
{
osg::notify(osg::NOTICE)<<"Error: Unable to create Window."<<std::endl;
_glxContext = 0;
_context = 0;
return false;
}
@@ -849,10 +952,16 @@ bool GraphicsWindowX11::makeCurrentImplementation()
return false;
}
// osg::notify(osg::NOTICE)<<"GraphicsWindowX11::makeCurrentImplementation "<<this<<" "<<OpenThreads::Thread::CurrentThread()<<std::endl;
// osg::notify(osg::NOTICE)<<" glXMakeCurrent ("<<_display<<","<<_window<<","<<_glxContext<<std::endl;
return glXMakeCurrent( _display, _window, _glxContext )==True;
#ifdef OSG_USE_EGL
EGLDisplay eglDisplay = eglGetDisplay((EGLNativeDisplayType)_display);
bool result = eglMakeCurrent(eglDisplay, _surface, _surface, _context)==EGL_TRUE;
osg::notify(osg::NOTICE)<<"GraphicsWindowX11::makeCurrentImplementation "<<this<<" "<<OpenThreads::Thread::CurrentThread()<<" _surface="<<_surface<<" _context="<<_context<<" result="<<result<<std::endl;
return result;
#else
return glXMakeCurrent( _display, _window, _context )==True;
#endif
}
bool GraphicsWindowX11::releaseContextImplementation()
@@ -863,10 +972,14 @@ bool GraphicsWindowX11::releaseContextImplementation()
return false;
}
// osg::notify(osg::NOTICE)<<"GraphicsWindowX11::releaseContextImplementation() "<<this<<" "<<OpenThreads::Thread::CurrentThread()<<std::endl;
// osg::notify(osg::NOTICE)<<" glXMakeCurrent ("<<_display<<std::endl;
osg::notify(osg::NOTICE)<<"GraphicsWindowX11::releaseContextImplementation() "<<this<<" "<<OpenThreads::Thread::CurrentThread()<<std::endl;
return glXMakeCurrent( _display, None, NULL )==True;
#ifdef OSG_USE_EGL
EGLDisplay eglDisplay = eglGetDisplay((EGLNativeDisplayType)_display);
return eglMakeCurrent( eglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT )==EGL_TRUE;
#else
return glXMakeCurrent( _display, None, NULL )==True;
#endif
}
@@ -882,9 +995,14 @@ void GraphicsWindowX11::closeImplementation()
if (_display)
{
if (_glxContext)
if (_context)
{
glXDestroyContext(_display, _glxContext );
#ifdef OSG_USE_EGL
EGLDisplay eglDisplay = eglGetDisplay((EGLNativeDisplayType)_display);
eglDestroyContext( eglDisplay, _context );
#else
glXDestroyContext( _display, _context );
#endif
}
if (_window && _ownsWindow)
@@ -898,11 +1016,15 @@ void GraphicsWindowX11::closeImplementation()
_window = 0;
_parent = 0;
_glxContext = 0;
_context = 0;
if (_visualInfo)
{
XFree(_visualInfo);
#ifdef OSG_USE_EGL
delete _visualInfo;
#else
XFree(_visualInfo);
#endif
_visualInfo = 0;
}
@@ -924,7 +1046,12 @@ void GraphicsWindowX11::swapBuffersImplementation()
// osg::notify(osg::NOTICE)<<"swapBuffersImplementation "<<this<<" "<<OpenThreads::Thread::CurrentThread()<<std::endl;
glXSwapBuffers(_display, _window);
#ifdef OSG_USE_EGL
EGLDisplay eglDisplay = eglGetDisplay((EGLNativeDisplayType)_display);
eglSwapBuffers( eglDisplay, _surface );
#else
glXSwapBuffers( _display, _window );
#endif
while( XPending(_display) )
{