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Hash : 6bd7a518
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Date : 2025-03-19T13:35:48
Vulkan: Allow pipelineStatisticsQuery substitute PGO Some devices are missing VK_EXT_primitives_generated_query extension and primitivesGeneratedQuery (PGO) feature, which are required for GLES3.2 extensions geometryShaderEXT and tessellationShaderEXT. On such devices, when app requests to create a GLES 3.2 context, the eglCreateContext call will fail due to not able to support GLES 3.2. We add a new feature flag allowPipelineStaticsForPrimitivesGeneratedQuery, and enable it on devices where we can fallback to using pipelineStatisticsQuery (PSQ) as an approximation for VK_EXT_primitives_generated_query, to broaden support for GLES 3.2 contexts. This is an opt-in feature for vendors that can functionally substitute PGQ with PSQ. Expose geometryShaderEXT and tessellationShaderEXT extensions if allowPipelineStaticsForPrimitivesGeneratedQuery feature is enabled. Bug: b/333987915 Change-Id: I9f0affbc3cc383ed6c50bcfc5d4d6f7f8a708aaa Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6362627 Reviewed-by: Charlie Lao <cclao@google.com> Reviewed-by: mohan maiya <m.maiya@samsung.com> Commit-Queue: Yuxin Hu <yuxinhu@google.com>
