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chore: cherry-pick 1288aa12369e from angle (#23563)

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This commit is contained in:
Pedro Pontes
2020-05-18 03:46:51 +02:00
committed by GitHub
parent 45089c847b
commit 70dd6c1bdf
3 changed files with 41 additions and 0 deletions
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1
patches/common/angle/.patches Normal file
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@@ -0,0 +1 @@
update_the_active_texture_cache_before_changing_the_texture_binding.patch

38
patches/common/angle/update_the_active_texture_cache_before_changing_the_texture_binding.patch Normal file
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Geoff Lang <geofflang@chromium.org>
Date: Fri, 27 Mar 2020 12:24:52 -0400
Subject: Update the active texture cache before changing the texture binding.
When a new texture is bound, the texture binding state is updated before
updating the active texture cache. With this ordering, it is possible to delete
the currently bound texture when the binding changes and then use-after-free it
when updating the active texture cache.
BUG=angleproject:1065186
Change-Id: Id6d56b6c6db423755b195cda1e5cf1bcb1ee7aee
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2124588
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
diff --git a/src/libANGLE/State.cpp b/src/libANGLE/State.cpp
index 9b2b36e9346753d90f84c2af9b3added7d984aba..e028ebde202c375b6df888fdc5a6933683794380 100644
--- a/src/libANGLE/State.cpp
+++ b/src/libANGLE/State.cpp
@@ -1096,14 +1096,14 @@ void State::setActiveSampler(unsigned int active)
void State::setSamplerTexture(const Context *context, TextureType type, Texture *texture)
{
- mSamplerTextures[type][mActiveSampler].set(context, texture);
-
if (mProgram && mProgram->getActiveSamplersMask()[mActiveSampler] &&
mProgram->getActiveSamplerTypes()[mActiveSampler] == type)
{
updateActiveTexture(context, mActiveSampler, texture);
}
+ mSamplerTextures[type][mActiveSampler].set(context, texture);
+
mDirtyBits.set(DIRTY_BIT_TEXTURE_BINDINGS);
}

2
patches/common/config.json
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@@ -1,6 +1,8 @@
{
"src/electron/patches/common/chromium": "src",
"src/electron/patches/common/angle": "src/third_party/angle",
"src/electron/patches/common/boringssl": "src/third_party/boringssl/src",
"src/electron/patches/common/ffmpeg": "src/third_party/ffmpeg",