Hi Robert,
I'm sorry, I thougth it's OK like that.
Find the definition of the "unknown" method below.
I think this shrinks the code to be just OSG, except createScreenQuad()
but that should not really matter.
Thanks
- Werner -
Am 27.06.2018 um 15:44 schrieb Robert Osfield:
> Hi Werner,
>
> You appear to be included reference to calls and classes that aren't
> in the OpenSceneGraph, are you using a 3rd party library that is
> providing these?
>
> At this point I can't see a way of helping you as there bit doing the
> set up are unknown to us.
>
> Robert.
> On Wed, 27 Jun 2018 at 13:53, Werner Modenbach
> <werner.modenb...@texion.eu> wrote:
>> Hi all,
>>
>> I found a strange behavior of a GBufferCamera. I want to get the color
>> channel in one image and the depth channel in another image.When
>> What I do:
>>
>> if (!renderImage.valid()) {
>>
>> renderImage = new osg::Image;
>>
>> renderImage->allocateImage(width, height, 1, GL_RGBA,
>> GL_UNSIGNED_BYTE, 1);
>>
>> renderImage->setInternalTextureFormat(GL_RGBA8);
>>
>> }
>>
>> if (includeDepth && !depthImage.valid()) {
>>
>> depthImage = new osg::Image;
>>
>> depthImage->allocateImage(width, height, 1, GL_DEPTH_COMPONENT,
>> GL_FLOAT, 1);
>>
>> renderImage->setInternalTextureFormat(GL_LUMINANCE32F_ARB);
>>
>> }
>>
>> if (!includeDepth)
>> renderCamera =
>> view->createRTTCameraImage(osg::Camera::COLOR_BUFFER, 0, renderImage.get(),
>> true);
>> else
>> renderCamera =
>> view->createRTTCameraGBufferImage(osg::Camera::COLOR_BUFFER0,
>> renderImage.get(), osg::Camera::DEPTH_BUFFER, depthImage.get(),
>>
>> osg::Camera::COLOR_BUFFER1, 0, 0, true);
>>
>> The definition of createRTT...
>>
>> osg::Camera *createRTTCameraGBufferImage(osg::Camera::BufferComponent
>> _bufferType1, osg::Image *_image1,
>> osg::Camera::BufferComponent
>> _bufferType2, osg::Image *_image2,
>> osg::Camera::BufferComponent
>> _bufferType3, osg::Image *_image3,
>> int _orderNumber, bool _isAbsolute,
>> bool _withScreenQuad = true) {
osg::ref_ptr<osg::Camera>camera=newosg::Camera;
camera->getOrCreateStateSet()->setGlobalDefaults();
camera->setClearColor(osg::Vec4());
camera->setClearMask(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT);
camera->setRenderOrder(osg::Camera::PRE_RENDER,_orderNumber);
if(_image1){
camera->setViewport(0,0,_image1->s(),_image1->t());
camera->attach(_bufferType1,_image1);
}
if(_image2){
camera->setViewport(0,0,_image2->s(),_image2->t());
camera->attach(_bufferType2,_image2);
}
if(_image3){
camera->setViewport(0,0,_image3->s(),_image3->t());
camera->attach(_bufferType3,_image3);
}
if(_isAbsolute){
camera->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
camera->setProjectionMatrix(osg::Matrix::ortho2D(0.0,1.0,0.0,1.0));
camera->setViewMatrix(osg::Matrix::identity());
if(_withScreenQuad){
camera->addChild(createScreenQuad(1.0f,1.0f));
}
}
returncamera.release();
}
>>
>>
>> When rendering without depth, I get a correct color channel image.
>> When rendering both, color and depth, the depth image is OK but the color
>> image seems having only the red color information.
>> Are there any limitations in using 2 images?
>>
>> Has anybody else had such an effect already or can anybody give me a hint?
>>
>> Many thanks in advance
>>
>> - Werner -
>>
>> Many thanks in advance.
>> _______________________________________________
>> osg-users mailing list
>> osg-users@lists.openscenegraph.org
>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
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