ilikecats/stk-code_catmod
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Restore lens flare effect

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This commit is contained in:
Marianne Gagnon 2015-03-01 20:44:09 -05:00
parent 53a830be0b
commit c4c85257ec
1 changed files with 17 additions and 0 deletions
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17
src/graphics/post_processing.cpp
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@ -731,11 +731,22 @@ FrameBuffer *PostProcessing::render(scene::ICameraSceneNode * const camnode, boo
FrameBuffer::Blit(irr_driver->getFBO(FBO_BLOOM_1024), irr_driver->getFBO(FBO_BLOOM_512), GL_COLOR_BUFFER_BIT, GL_LINEAR);
FrameBuffer::Blit(irr_driver->getFBO(FBO_BLOOM_512), irr_driver->getFBO(FBO_BLOOM_256), GL_COLOR_BUFFER_BIT, GL_LINEAR);
FrameBuffer::Blit(irr_driver->getFBO(FBO_BLOOM_256), irr_driver->getFBO(FBO_BLOOM_128), GL_COLOR_BUFFER_BIT, GL_LINEAR);
// Copy for lens flare
FrameBuffer::Blit(irr_driver->getFBO(FBO_BLOOM_512), irr_driver->getFBO(FBO_LENS_512), GL_COLOR_BUFFER_BIT, GL_LINEAR);
FrameBuffer::Blit(irr_driver->getFBO(FBO_BLOOM_256), irr_driver->getFBO(FBO_LENS_256), GL_COLOR_BUFFER_BIT, GL_LINEAR);
FrameBuffer::Blit(irr_driver->getFBO(FBO_BLOOM_128), irr_driver->getFBO(FBO_LENS_128), GL_COLOR_BUFFER_BIT, GL_LINEAR);
// Blur
// The fbo sum chain is from https://software.intel.com/en-us/articles/compute-shader-hdr-and-bloom
glBlendFunc(GL_ONE, GL_ONE);
glBlendEquation(GL_FUNC_ADD);
renderHorizontalBlur(irr_driver->getFBO(FBO_LENS_512), irr_driver->getFBO(FBO_TMP_512));
renderHorizontalBlur(irr_driver->getFBO(FBO_LENS_256), irr_driver->getFBO(FBO_TMP_256));
renderHorizontalBlur(irr_driver->getFBO(FBO_LENS_128), irr_driver->getFBO(FBO_TMP_128));
renderGaussian6Blur(irr_driver->getFBO(FBO_BLOOM_128), irr_driver->getFBO(FBO_TMP_128), 2., 2.);
glEnable(GL_BLEND);
@ -760,6 +771,12 @@ FrameBuffer *PostProcessing::render(scene::ICameraSceneNode * const camnode, boo
glBlendFunc(GL_ONE, GL_ONE);
glBlendEquation(GL_FUNC_ADD);
renderPassThrough(irr_driver->getRenderTargetTexture(RTT_BLOOM_1024), in_fbo->getWidth(), in_fbo->getHeight());
FullScreenShader::LensBlendShader::getInstance()->SetTextureUnits(
irr_driver->getRenderTargetTexture(RTT_LENS_128), irr_driver->getRenderTargetTexture(RTT_LENS_256), irr_driver->getRenderTargetTexture(RTT_LENS_512));
DrawFullScreenEffect<FullScreenShader::LensBlendShader>();
glDisable(GL_BLEND);
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
} // end if bloom