Commit 1ab55d969e34dad2c04c4ec6a3780e34931ecd1a

Courtney Goeltzenleuchter 2020-05-06T14:45:18

Revert "No-Op draws when no active VS and/or FS is present" This reverts commit a4b506f79e3286ffcf3a5d68f20aa97a63edab8e. Reason for revert: WebGL crash https://bugs.chromium.org/p/angleproject/issues/detail?id=4616 Original change's description: > No-Op draws when no active VS and/or FS is present > > According to the OpenGL ES 3.1 spec: > > 7.3. PROGRAM OBJECTS > If there is no active program for the vertex or fragment shader > stages, the results of vertex and fragment shader execution will > respectively be undefined. However, this is not an error. > > To handle this, if no VS or FS is present in the active Program/PPO, > we will no-op the draw command. > > Bug: angleproject:3570 > Test: KHR-GLES31.core.sepshaderobjs.StateInteraction > Change-Id: If19e9fbb1bc09fa0d490832079bb9f514eab6035 > Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2136386 > Reviewed-by: Jamie Madill <jmadill@chromium.org> > Commit-Queue: Tim Van Patten <timvp@google.com> TBR=timvp@google.com,jmadill@chromium.org,cclao@google.com Change-Id: Ia24c4156ff7779b69c1f3f705f1a91cbb1c9684c No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: angleproject:3570 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2184849 Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com> Commit-Queue: Courtney Goeltzenleuchter <courtneygo@google.com>