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[Impeller] fix subpass collapse pass ending logic #40057
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chinmaygarde
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Mar 3, 2023
impeller/entity/entity_unittests.cc
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| private: | ||
| const std::optional<Rect> coverage_; | ||
| bool collapse_; |
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Nit: Default it, or if it set in a ctor, const bool
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auto label is removed for flutter/engine, pr: 40057, due to - The status or check suite Linux Android clang-tidy has failed. Please fix the issues identified (or deflake) before re-applying this label. |
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March 3, 2023 11:18
bdero
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Mar 3, 2023
| std::shared_ptr<RenderPass> pass_; | ||
| uint32_t pass_count_ = 0; | ||
| uint32_t total_pass_reads_ = 0; | ||
| bool collapsed_parent_pass_ = false; |
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Discovered during investigation of opacity optimizations, currently OnRender will unconditionally end the current pass - but this is incorrect if we're merged into the parent pass. Detect this case and ensure that the collapsed child gets the same render target and render pass.