chore: cherry-pick af5b008a9546 from angle (#25263)

This commit is contained in:
Jeremy Rose
2020-09-02 09:48:03 -07:00
committed by GitHub
parent 086086b4e5
commit 99abcba062
2 changed files with 40 additions and 0 deletions

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@@ -1 +1,2 @@
fix_stale_validation_cache_on_buffer_deletion.patch
d3d11_fix_bug_with_static_vertex_attributes.patch

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@@ -0,0 +1,39 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jamie Madill <jmadill@chromium.org>
Date: Tue, 14 Jul 2020 17:20:18 -0400
Subject: Fix stale validation cache on buffer deletion.
When we would delete the currently bound element array buffer we
would neglect to invalidate a specific validation cache variable.
This incorrectly would let us skip buffer size validation and lead
to internal invalid memory accesses.
Bug: chromium:1105202
Change-Id: I23ab28ccd3ac6b5d461cb8745b930f4d42d53b35
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2323644
Reviewed-by: Jamie Madill <jmadill@chromium.org>
diff --git a/src/libANGLE/Context.cpp b/src/libANGLE/Context.cpp
index d8bccaf1e920e261c45c777993b77b8c40a011ad..3233d12dd233786b0988f299ace57d932e0d0fe6 100644
--- a/src/libANGLE/Context.cpp
+++ b/src/libANGLE/Context.cpp
@@ -8468,6 +8468,7 @@ void StateCache::onVertexArrayStateChange(Context *context)
updateActiveAttribsMask(context);
updateVertexElementLimits(context);
updateBasicDrawStatesError();
+ updateBasicDrawElementsError();
}
void StateCache::onVertexArrayBufferStateChange(Context *context)
diff --git a/src/libANGLE/Context.h b/src/libANGLE/Context.h
index 201010f9f5555faa79cab480a34caf63bf5ffbf2..06eeff3b94c937067e674fc127afdeab34e63f21 100644
--- a/src/libANGLE/Context.h
+++ b/src/libANGLE/Context.h
@@ -202,6 +202,7 @@ class StateCache final : angle::NonCopyable
// 1. onActiveTransformFeedbackChange.
// 2. onVertexArrayBufferStateChange.
// 3. onBufferBindingChange.
+ // 4. onVertexArrayStateChange.
intptr_t getBasicDrawElementsError(const Context *context) const
{
if (mCachedBasicDrawElementsError != kInvalidPointer)