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Get rid of initial glow.

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This commit is contained in:
Andrzej Kapolka 2013-12-09 12:30:14 -08:00
parent c36e04c435
commit 2381b2bbaf
1 changed files with 12 additions and 7 deletions
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19
interface/src/renderer/GlowEffect.cpp
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@ -167,16 +167,21 @@ QOpenGLFramebufferObject* GlowEffect::render(bool toTexture) {
}
newDiffusedFBO->bind();
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, _isFirstFrame ? 0 : oldDiffusedFBO->texture());
if (_isFirstFrame) {
glClear(GL_COLOR_BUFFER_BIT);
_diffuseProgram->bind();
QSize size = Application::getInstance()->getGLWidget()->size();
_diffuseProgram->setUniformValue(_diffusionScaleLocation, 1.0f / size.width(), 1.0f / size.height());
} else {
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, oldDiffusedFBO->texture());
_diffuseProgram->bind();
QSize size = Application::getInstance()->getGLWidget()->size();
_diffuseProgram->setUniformValue(_diffusionScaleLocation, 1.0f / size.width(), 1.0f / size.height());
renderFullscreenQuad();
renderFullscreenQuad();
_diffuseProgram->release();
_diffuseProgram->release();
}
newDiffusedFBO->release();