1From b215999d63d6e6b087e53e24a47b8b60520ec9e4 Mon Sep 17 00:00:00 2001 2From: Oliver Wolff <oliver.wolff@qt.io> 3Date: Wed, 11 Mar 2020 13:59:39 +0100 4Subject: [PATCH] ANGLE: Fix severe performance regression 5 6The changed buffer usage priority that was introduced in our ANGLE 7update caused severe performance regressions for Qt applications. 8 9Fixes: QTBUG-73835 10Change-Id: I49839bb272cdeec0027264f2751b88bc149665ad 11--- 12 src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Buffer11.h | 2 +- 13 1 file changed, 1 insertion(+), 1 deletion(-) 14 15diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Buffer11.h b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Buffer11.h 16index ddbeeb90d2..f92a68454b 100644 17--- a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Buffer11.h 18+++ b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Buffer11.h 19@@ -31,7 +31,6 @@ struct TranslatedAttribute; 20 // The order of this enum governs priority of 'getLatestBufferStorage'. 21 enum BufferUsage 22 { 23- BUFFER_USAGE_SYSTEM_MEMORY, 24 BUFFER_USAGE_STAGING, 25 BUFFER_USAGE_VERTEX_OR_TRANSFORM_FEEDBACK, 26 BUFFER_USAGE_INDEX, 27@@ -40,6 +39,7 @@ enum BufferUsage 28 BUFFER_USAGE_PIXEL_UNPACK, 29 BUFFER_USAGE_PIXEL_PACK, 30 BUFFER_USAGE_UNIFORM, 31+ BUFFER_USAGE_SYSTEM_MEMORY, 32 BUFFER_USAGE_EMULATED_INDEXED_VERTEX, 33 34 BUFFER_USAGE_COUNT, 35-- 362.20.1.windows.1 37 38