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Don't overwrite the normals buffer when copying the resolved lighting back to the primary FBO

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This commit is contained in:
Bradley Austin Davis 2015-07-23 12:37:58 -04:00
parent e729a87328
commit f19800f0de
1 changed files with 22 additions and 18 deletions
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40
libraries/render-utils/src/DeferredLightingEffect.cpp
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@ -542,30 +542,34 @@ void DeferredLightingEffect::copyBack(RenderArgs* args) {
auto framebufferCache = DependencyManager::get<FramebufferCache>();
QSize framebufferSize = framebufferCache->getFrameBufferSize();
batch.setFramebuffer(framebufferCache->getPrimaryFramebuffer());
batch.setPipeline(_blitLightBuffer);
batch.setResourceTexture(0, _copyFBO->getRenderBuffer(0));
// TODO why doesn't this blit work? It only seems to affect a small area below the rear view mirror.
auto destFbo = framebufferCache->getPrimaryFramebuffer();
// gpu::Vec4i vp = args->_viewport;
// batch.blit(_copyFBO, vp, framebufferCache->getPrimaryFramebuffer(), vp);
batch.setFramebuffer(destFbo);
batch.setViewportTransform(args->_viewport);
batch.setProjectionTransform(glm::mat4());
batch.setViewTransform(Transform());
float sMin = args->_viewport.x / (float)framebufferSize.width();
float sWidth = args->_viewport.z / (float)framebufferSize.width();
float tMin = args->_viewport.y / (float)framebufferSize.height();
float tHeight = args->_viewport.w / (float)framebufferSize.height();
{
float sMin = args->_viewport.x / (float)framebufferSize.width();
float sWidth = args->_viewport.z / (float)framebufferSize.width();
float tMin = args->_viewport.y / (float)framebufferSize.height();
float tHeight = args->_viewport.w / (float)framebufferSize.height();
Transform model;
batch.setPipeline(_blitLightBuffer);
model.setTranslation(glm::vec3(sMin, tMin, 0.0));
model.setScale(glm::vec3(sWidth, tHeight, 1.0));
batch.setModelTransform(model);
}
batch.setViewportTransform(args->_viewport);
Transform model;
model.setTranslation(glm::vec3(sMin, tMin, 0.0));
model.setScale(glm::vec3(sWidth, tHeight, 1.0));
batch.setModelTransform(model);
GLenum buffers[3];
int bufferCount = 0;
buffers[bufferCount++] = GL_COLOR_ATTACHMENT0;
batch._glDrawBuffers(bufferCount, buffers);
batch.setResourceTexture(0, _copyFBO->getRenderBuffer(0));
batch.draw(gpu::TRIANGLE_STRIP, 4);
args->_context->syncCache();
args->_context->render(batch);
framebufferCache->releaseFramebuffer(_copyFBO);
}