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29 lines
1001 B
C++
29 lines
1001 B
C++
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#include "distortion.hpp"
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#include <osg/FrameBufferObject>
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namespace MWRender
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{
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void DistortionCallback::drawImplementation(
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osgUtil::RenderBin* bin, osg::RenderInfo& renderInfo, osgUtil::RenderLeaf*& previous)
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{
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osg::State* state = renderInfo.getState();
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size_t frameId = state->getFrameStamp()->getFrameNumber() % 2;
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mFBO[frameId]->apply(*state);
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const osg::Texture* tex
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= mFBO[frameId]->getAttachment(osg::FrameBufferObject::BufferComponent::COLOR_BUFFER0).getTexture();
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glViewport(0, 0, tex->getTextureWidth(), tex->getTextureHeight());
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glClearColor(0.0, 0.0, 0.0, 1.0);
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glClear(GL_COLOR_BUFFER_BIT);
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bin->drawImplementation(renderInfo, previous);
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tex = mOriginalFBO[frameId]->getAttachment(osg::FrameBufferObject::BufferComponent::COLOR_BUFFER0).getTexture();
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glViewport(0, 0, tex->getTextureWidth(), tex->getTextureHeight());
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mOriginalFBO[frameId]->apply(*state);
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}
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}
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