void PrepareDeferred::run(const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext, const Inputs& inputs, Outputs& outputs) {
auto args = renderContext->args;
auto primaryFramebuffer = inputs.get0();
auto lightingModel = inputs.get1();
if (!_deferredFramebuffer) {
_deferredFramebuffer = std::make_shared<DeferredFramebuffer>();
}
_deferredFramebuffer->updatePrimaryDepth(primaryFramebuffer->getDepthStencilBuffer());
outputs.edit0() = _deferredFramebuffer;
outputs.edit1() = _deferredFramebuffer->getLightingFramebuffer();
gpu::doInBatch(args->_context, [&](gpu::Batch& batch) {
batch.enableStereo(false);
batch.setViewportTransform(args->_viewport);
batch.setStateScissorRect(args->_viewport);
// Clear deferred
auto deferredFbo = _deferredFramebuffer->getDeferredFramebuffer();
batch.setFramebuffer(deferredFbo);
// Clear Color, Depth and Stencil for deferred buffer
batch.clearFramebuffer(
gpu::Framebuffer::BUFFER_COLOR0 | gpu::Framebuffer::BUFFER_COLOR1 | gpu::Framebuffer::BUFFER_COLOR2 | gpu::Framebuffer::BUFFER_COLOR3 |
gpu::Framebuffer::BUFFER_DEPTH |
gpu::Framebuffer::BUFFER_STENCIL,
vec4(vec3(0), 0), 1.0, 0.0, true);
// For the rest of the rendering, bind the lighting model
batch.setUniformBuffer(LIGHTING_MODEL_BUFFER_SLOT, lightingModel->getParametersBuffer());
});
}
