FGFS-4.1/OpenSceneGraph
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Changed default format to GL_BGR

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This commit is contained in:
Robert Osfield 2008-05-24 08:13:55 +00:00
parent 90308d22aa
commit cc07d064bf
1 changed files with 18 additions and 3 deletions
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21
examples/osgscreencapture/osgscreencapture.cpp
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@ -50,7 +50,7 @@ class WindowCaptureCallback : public osg::Camera::DrawCallback
_gc(gc),
_mode(mode),
_fileName(name),
_pixelFormat(GL_RGB),
_pixelFormat(GL_BGR),
_type(GL_UNSIGNED_BYTE),
_width(0),
_height(0),
@ -193,8 +193,10 @@ void WindowCaptureCallback::ContextData::readPixels()
osg::Image* image = _imageBuffer[_currentImageIndex].get();
#if 1
image->readPixels(0,0,_width,_height,
_pixelFormat,_type);
#endif
if (!_fileName.empty())
{
@ -251,7 +253,9 @@ void WindowCaptureCallback::ContextData::singlePBO(osg::BufferObject::Extensions
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, pbo);
}
#if 1
glReadPixels(0, 0, _width, _height, _pixelFormat, _type, 0);
#endif
GLubyte* src = (GLubyte*)ext->glMapBuffer(GL_PIXEL_PACK_BUFFER_ARB,
GL_READ_ONLY_ARB);
@ -314,6 +318,16 @@ void WindowCaptureCallback::ContextData::multiPBO(osg::BufferObject::Extensions*
}
bool doCopy = copy_pbo!=0;
if (copy_pbo==0)
{
ext->glGenBuffers(1, &copy_pbo);
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, copy_pbo);
ext->glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ);
osg::notify(osg::NOTICE)<<"Generating pbo "<<read_pbo<<std::endl;
}
if (read_pbo==0)
{
ext->glGenBuffers(1, &read_pbo);
@ -327,10 +341,11 @@ void WindowCaptureCallback::ContextData::multiPBO(osg::BufferObject::Extensions*
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, read_pbo);
}
#if 1
glReadPixels(0, 0, _width, _height, _pixelFormat, _type, 0);
#endif
if (copy_pbo!=0)
if (doCopy)
{
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, copy_pbo);