kc3-lang/angle

2020-04-20T11:25:32

Vulkan: PPO: Allocate uniform descriptor set if list is empty When a Program is used to draw, the buffers to hold uniforms are allocated as part of updateUniforms(), and then if a buffer is allocated, a corresponding descriptor set is allocated for each shader stage with uniforms. However, if that Program is later bound to a PPO, the PPO's descriptor set list is cleared as part of creating the pipeline layout. This means the uniform descriptor sets need to be re-allocated but using the previously allocated buffers so the 'anyNewBufferAllocated' flag isn't enough - we also need to check if the PPO's list of descriptor sets is empty. Bug: angleproject:3570 Test: KHR-GLES31.core.sepshaderobjs.StateInteraction Change-Id: Id8df587b4f5552012590a29d120b6899bbdf677b Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2156936 Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com> Reviewed-by: Charlie Lao <cclao@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Tim Van Patten <timvp@google.com>