bool OPENGL_PBUFFER::
Create(int width, int height)
{
if (pbuffer) {
LOG::cerr << "Destroying old pbuffer before creating new one" << std::endl;
Destroy();
}
GLint attributes[] = {AGL_RGBA,AGL_DOUBLEBUFFER,AGL_NONE};
AGLPixelFormat format = aglChoosePixelFormat(NULL, 0, attributes);
if(format==NULL){
LOG::cout<<"Could not set up the pixel format"<<std::endl;return false;}
AGLContext context = aglCreateContext(format, NULL);
if(context==NULL){
LOG::cout<<"Could not set up the pbuffer context"<<std::endl;return false;}
aglSetCurrentContext(context);
if(!aglCreatePBuffer(width, height, GL_TEXTURE_2D, GL_RGBA, 0, &pbuffer)){
LOG::cout<<"Error: couldn't create pbuffer"<<std::endl;
LOG::cout<<aglErrorString(aglGetError());
return false;
}
if(!aglSetPBuffer(context, pbuffer, 0, 0, aglGetVirtualScreen(context))){
LOG::cout<<"Error: couldn't set pbuffer"<<std::endl;
LOG::cout<<aglErrorString(aglGetError());
return false;
}
return true; /* Success!! */
}
bool Window::configInitAGLPBuffer()
{
AGLContext context = getAGLContext();
if( !context )
{
setError( ERROR_AGLWINDOW_NO_CONTEXT );
return false;
}
// PBuffer
const PixelViewport& pvp = getWindow()->getPixelViewport();
AGLPbuffer pbuffer;
if( !aglCreatePBuffer( pvp.w, pvp.h, GL_TEXTURE_RECTANGLE_EXT, GL_RGBA,
0, &pbuffer ))
{
setError( ERROR_AGLWINDOW_CREATEPBUFFER_FAILED );
LBWARN << getError() << ": " << AGLERROR << std::endl;
return false;
}
// attach to context
if( !aglSetPBuffer( context, pbuffer, 0, 0, aglGetVirtualScreen( context )))
{
setError( ERROR_AGLWINDOW_SETPBUFFER_FAILED );
LBWARN << getError() << ": " << AGLERROR << std::endl;
return false;
}
setAGLPBuffer( pbuffer );
return true;
}
void OSXPBuffer::createPBuffer()
{
LogManager::getSingleton().logMessage( "OSXPBuffer::createPBuffer()" );
GLint attrib[] = { AGL_NO_RECOVERY, GL_TRUE, AGL_ACCELERATED, GL_TRUE, AGL_RGBA, AGL_NONE };
AGLPixelFormat pixelFormat = aglChoosePixelFormat(NULL, 0, attrib);
mAGLContext = aglCreateContext(pixelFormat, NULL);
//mAGLContext = aglGetCurrentContext();
aglCreatePBuffer( mWidth, mHeight, GL_TEXTURE_2D, GL_RGBA, 0, &mPBuffer );
GLint vs = aglGetVirtualScreen( mAGLContext );
aglSetPBuffer( mAGLContext, mPBuffer, 0, 0, vs );
mContext = OGRE_NEW OSXCarbonContext(mAGLContext, pixelFormat);
}
AGLPbuffer
glitz_agl_pbuffer_create (glitz_agl_thread_info_t *thread_info,
int width,
int height)
{
AGLPbuffer pbuffer;
glitz_gl_enum_t target;
if (!POWER_OF_TWO (width) || !POWER_OF_TWO (height)) {
if (thread_info->agl_feature_mask &
GLITZ_AGL_FEATURE_TEXTURE_RECTANGLE_MASK)
target = GLITZ_GL_TEXTURE_RECTANGLE;
else
return (AGLPbuffer) 0;
} else
target = GLITZ_GL_TEXTURE_2D;
aglCreatePBuffer (width, height, target, GLITZ_GL_RGBA, 0, &pbuffer);
return pbuffer;
}