| From b215999d63d6e6b087e53e24a47b8b60520ec9e4 Mon Sep 17 00:00:00 2001 |
| From: Oliver Wolff <oliver.wolff@qt.io> |
| Date: Wed, 11 Mar 2020 13:59:39 +0100 |
| Subject: [PATCH] ANGLE: Fix severe performance regression |
| |
| The changed buffer usage priority that was introduced in our ANGLE |
| update caused severe performance regressions for Qt applications. |
| |
| Fixes: QTBUG-73835 |
| Change-Id: I49839bb272cdeec0027264f2751b88bc149665ad |
| --- |
| src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Buffer11.h | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Buffer11.h b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Buffer11.h |
| index ddbeeb90d2..f92a68454b 100644 |
| --- a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Buffer11.h |
| +++ b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Buffer11.h |
| @@ -31,7 +31,6 @@ struct TranslatedAttribute; |
| // The order of this enum governs priority of 'getLatestBufferStorage'. |
| enum BufferUsage |
| { |
| - BUFFER_USAGE_SYSTEM_MEMORY, |
| BUFFER_USAGE_STAGING, |
| BUFFER_USAGE_VERTEX_OR_TRANSFORM_FEEDBACK, |
| BUFFER_USAGE_INDEX, |
| @@ -40,6 +39,7 @@ enum BufferUsage |
| BUFFER_USAGE_PIXEL_UNPACK, |
| BUFFER_USAGE_PIXEL_PACK, |
| BUFFER_USAGE_UNIFORM, |
| + BUFFER_USAGE_SYSTEM_MEMORY, |
| BUFFER_USAGE_EMULATED_INDEXED_VERTEX, |
| |
| BUFFER_USAGE_COUNT, |
| -- |
| 2.20.1.windows.1 |
| |
