[Impeller] libImpeller: Reset the GL state when transitioning control back to the embedder. #56597
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… back to the embedder. Impeller is resilient to OpenGL state being trampled upon when accessing the GL context. But the embedder may not necessarily be. Ideally, we'd be using saving the state and restoring it. But that might be too involved. For now, this sets the GL state is a sane "clean" state. We could, in theory, do this after each render pass but that unnecessarily increases API traffic. For now, I have added it at the transition of the embedder boundary.
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Confirming with @lyceel if this fixes their issue. But it should be good to do in any case. |
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@lyceel says wiping their state before composition fixes the issue. I think this is good to go. |
jonahwilliams
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Nov 14, 2024
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I added an admittedly half-assed test that checks the OpenGL state is reset. But it is hard to tell if the reset if due to regular OpenGL operations or a matter of course. At least it fails before this patch but I think it may be a bit brittle. I'm going to add some more infrastructure to test this when working on saving and restoring embedder state. |
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…159015) Roll Flutter Engine from 619804c0fbb7 to f649330affa8 (47 revisions) flutter/engine@619804c...f649330 2024-11-16 skia-flutter-autoroll@skia.org Roll Skia from 1ef3b910e064 to 6b0f264bde33 (6 revisions) (flutter/engine#56635) 2024-11-16 zanderso@users.noreply.github.com Revert "Remove `android_jit_release_x86`." (flutter/engine#56634) 2024-11-15 chris@bracken.jp Move SetRenderTargetType to EmbedderTestCompositor (flutter/engine#56626) 2024-11-15 skia-flutter-autoroll@skia.org Roll Dart SDK from b62dadb14d82 to eccb15756020 (2 revisions) (flutter/engine#56630) 2024-11-15 andre.stein.1985@gmail.com [TextInput] Add TextInputType.webSearch (#15762) (flutter/engine#56428) 2024-11-15 mdebbar@google.com [web] Send the correct view ID with semantics actions (flutter/engine#56595) 2024-11-15 41930132+hellohuanlin@users.noreply.github.com [macos] early return to suppress clang-tidy warning (flutter/engine#56588) 2024-11-15 chinmaygarde@google.com [Impeller] libImpeller: Tinker on the README to cross reference the SDK and the example. (flutter/engine#56623) 2024-11-15 chaopeng@google.com [fuchsia] MaybeRunInitialVsyncCallback should only called once (flutter/engine#56429) 2024-11-15 magder@google.com Move mac clangd build from x64 to arm (flutter/engine#56567) 2024-11-15 30870216+gaaclarke@users.noreply.github.com Added assert for opengles thread safety (flutter/engine#56585) 2024-11-15 jonahwilliams@google.com [Impeller] enable OpenGL fallback on Android. (flutter/engine#56591) 2024-11-15 jason-simmons@users.noreply.github.com [Impeller] Maintain separate queues of GLES operations for each thread in the reactor (flutter/engine#56573) 2024-11-15 skia-flutter-autoroll@skia.org Roll Dart SDK from abe86ca4eb01 to b62dadb14d82 (2 revisions) (flutter/engine#56615) 2024-11-15 skia-flutter-autoroll@skia.org Roll Skia from b730eb340852 to 1ef3b910e064 (4 revisions) (flutter/engine#56613) 2024-11-15 skia-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from JkpuAsLzcmYLzf1iX... to UpSQzyXGUhMfedYIh... (flutter/engine#56611) 2024-11-15 skia-flutter-autoroll@skia.org Roll Dart SDK from bf0eeb9d929c to abe86ca4eb01 (1 revision) (flutter/engine#56610) 2024-11-15 skia-flutter-autoroll@skia.org Roll Skia from e5fda8472b21 to b730eb340852 (1 revision) (flutter/engine#56608) 2024-11-15 skia-flutter-autoroll@skia.org Roll Skia from 8ff65da4b8bf to e5fda8472b21 (1 revision) (flutter/engine#56603) 2024-11-15 chris@bracken.jp Move TestMetalContext/Surface to testing namespace (flutter/engine#56602) 2024-11-15 skia-flutter-autoroll@skia.org Roll Dart SDK from 343b9fc6eafe to bf0eeb9d929c (1 revision) (flutter/engine#56604) 2024-11-15 chinmaygarde@google.com [Impeller] Don't enable KHR_debug on Angle. (flutter/engine#56601) 2024-11-15 chinmaygarde@google.com [Impeller] libImpeller: Reset the GL state when transitioning control back to the embedder. (flutter/engine#56597) 2024-11-15 skia-flutter-autoroll@skia.org Roll Skia from 8946ea477b42 to 8ff65da4b8bf (2 revisions) (flutter/engine#56600) 2024-11-14 chinmaygarde@google.com [Impeller] Put test components in the testing namespace. (flutter/engine#56594) 2024-11-14 chinmaygarde@google.com [Impeller] libImpeller: Add a warning about OpenGL state being trampled. (flutter/engine#56599) 2024-11-14 chris@bracken.jp Embedder: Refactor EmbedderConfigBuilder by backend (flutter/engine#56598) 2024-11-14 chris@bracken.jp Migrate Metal translation units to Obj-C++ (flutter/engine#56592) 2024-11-14 skia-flutter-autoroll@skia.org Roll Dart SDK from db4d7d52db48 to 343b9fc6eafe (1 revision) (flutter/engine#56590) 2024-11-14 chris@bracken.jp iOS,macOS: Build/test test_metal_surface_unittests (flutter/engine#56586) 2024-11-14 skia-flutter-autoroll@skia.org Roll Skia from 3222456e63dc to 8946ea477b42 (2 revisions) (flutter/engine#56587) 2024-11-14 skia-flutter-autoroll@skia.org Roll Skia from 16178bf63de7 to 3222456e63dc (3 revisions) (flutter/engine#56584) 2024-11-14 bruno.leroux@gmail.com [Android] Fix Slider semantics double tap behaviors (flutter/engine#56452) 2024-11-14 skia-flutter-autoroll@skia.org Roll Dart SDK from a3b6652100c8 to db4d7d52db48 (1 revision) (flutter/engine#56581) 2024-11-14 chris@bracken.jp Move Vulkan context to EmbedderTestContextVulkan (flutter/engine#56571) 2024-11-14 skia-flutter-autoroll@skia.org Roll Skia from a076435073fc to 16178bf63de7 (1 revision) (flutter/engine#56579) 2024-11-14 skia-flutter-autoroll@skia.org Roll Skia from 70553189e4e8 to a076435073fc (1 revision) (flutter/engine#56577) 2024-11-14 skia-flutter-autoroll@skia.org Roll Skia from fa52f2c1ddba to 70553189e4e8 (1 revision) (flutter/engine#56576) 2024-11-14 skia-flutter-autoroll@skia.org Roll Dart SDK from 3f05b3540cb2 to a3b6652100c8 (3 revisions) (flutter/engine#56575) 2024-11-14 skia-flutter-autoroll@skia.org Roll Skia from ddbd8d1cb8d8 to fa52f2c1ddba (3 revisions) (flutter/engine#56574) 2024-11-14 jonahwilliams@google.com [Android] choose 24 bit depth buffer. (flutter/engine#56553) 2024-11-14 skia-flutter-autoroll@skia.org Roll Skia from 3750b8939c7f to ddbd8d1cb8d8 (1 revision) (flutter/engine#56562) 2024-11-14 robert.ancell@canonical.com Move FlMouseCursorHandler from FlView to FlEngine (flutter/engine#56026) 2024-11-14 jonahwilliams@google.com [Impeller] force software resize usage for GLES backend. (flutter/engine#56511) 2024-11-14 skia-flutter-autoroll@skia.org Roll Dart SDK from 66ab1774bfe9 to 3f05b3540cb2 (2 revisions) (flutter/engine#56564) 2024-11-14 chris@bracken.jp Embedder: Refactor EmbedderTestContext creation (flutter/engine#56563) ...
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Impeller is resilient to OpenGL state being trampled upon when accessing the GL context. But the embedder may not necessarily be. Ideally, we'd be using saving the state and restoring it. But that might be too involved. For now, this sets the GL state to a sane "clean" state.
We could, in theory, do this after each render pass but that unnecessarily increases API traffic. For now, I have added it at the transition of the embedder boundary.