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chore: cherry-pick af5b008a9546 from angle (#25262)

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This commit is contained in:
Jeremy Rose
2020-09-02 09:47:59 -07:00
committed by GitHub
parent 9330ec2b80
commit ceb29151d7
2 changed files with 40 additions and 0 deletions
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1
patches/angle/.patches
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@@ -1,2 +1,3 @@
update_the_active_texture_cache_before_changing_the_texture_binding.patch
fix_stale_validation_cache_on_buffer_deletion.patch
d3d11_fix_bug_with_static_vertex_attributes.patch

39
patches/angle/fix_stale_validation_cache_on_buffer_deletion.patch Normal file
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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 90e80d92b573c96eff7d9747669d5d6dd3943b47..f73391da2bd3461ab5c53b30e9fed7376773a051 100644
--- a/src/libANGLE/Context.cpp
+++ b/src/libANGLE/Context.cpp
@@ -8702,6 +8702,7 @@ 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 5668bb4f6e83250e1c1bc1007664b0b9c66b86a1..9c2abcae729775701cc5b37f1599b849db5978d3 100644
--- a/src/libANGLE/Context.h
+++ b/src/libANGLE/Context.h
@@ -201,6 +201,7 @@ class StateCache final : angle::NonCopyable
// 1. onActiveTransformFeedbackChange.
// 2. onVertexArrayBufferStateChange.
// 3. onBufferBindingChange.
+ // 4. onVertexArrayStateChange.
intptr_t getBasicDrawElementsError(Context *context) const
{
if (mCachedBasicDrawElementsError != kInvalidPointer)