[impeller] Wire up the OpenGL ES Backend.#33405
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| std::optional<bool> DetermineIfES(const std::string& version) { | ||
| if (HasPrefix(version, "OpenGL ES")) { | ||
| return true; | ||
| } else if (HasPrefix(version, "OpenGL")) { |
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This case looks redundant with the else {} case.
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So, I am not actually sure if the OpenGL prefix is required. I seemed to think it was. But the Mac desktop implementation does not seem to have it. The else below this was supposed to be std::nullopt. Notice how the bool is optional but a value is always returned. I am going to assume the Mac desktop behavior is correct and return a non-optional for now.
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| static std::optional<Version> DetermineVersion(std::string version) { |
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Can this have some unit tests? String parsing without unit tests makes me very nervous.
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Adding this in a followup patch along with other fixes.
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| "gpu_surface_gl_skia.cc", | ||
| "gpu_surface_gl_skia.h", |
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not a problem but will require compensating changes for the roll.
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I didn't give this whole patch a close look, but from what I've spot checked it looks good enough to land for experimentation.
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https://flutter-review.googlesource.com/c/recipes/+/30204 will be needed to clear up the "Linux clang-tidy" presubmit. |
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@jonahwilliams for advice on 'fractional' build failure. Maybe just needs a rebase? |
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You might just need 9867003 |
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This reverts commit 01a129b.
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This is still work in progress but basic rendering is functional. There are issues around context access from multiple threads that I am going to address in a subsequent patch. This also brings in the binary cost overhead of using Impeller on Android.
