Title: [120533] trunk/Source/WebCore
- Revision
- 120533
- Author
- [email protected]
- Date
- 2012-06-16 15:22:03 -0700 (Sat, 16 Jun 2012)
Log Message
[Texmap] SIGSEV in WebCore::TextureMapperGL::drawTexture.
https://bugs.webkit.org/show_bug.cgi?id=89113
TextureMapperTile::m_texture is created lazilly, so we need null check before
using it.
Patch by Huang Dongsung <[email protected]> on 2012-06-16
Reviewed by Noam Rosenthal.
No new tests. This patch doesn't change behavior.
* platform/graphics/texmap/TextureMapperBackingStore.cpp:
(WebCore::TextureMapperTile::paint):
Modified Paths
Diff
Modified: trunk/Source/WebCore/ChangeLog (120532 => 120533)
--- trunk/Source/WebCore/ChangeLog 2012-06-16 22:17:04 UTC (rev 120532)
+++ trunk/Source/WebCore/ChangeLog 2012-06-16 22:22:03 UTC (rev 120533)
@@ -1,5 +1,20 @@
2012-06-16 Huang Dongsung <[email protected]>
+ [Texmap] SIGSEV in WebCore::TextureMapperGL::drawTexture.
+ https://bugs.webkit.org/show_bug.cgi?id=89113
+
+ TextureMapperTile::m_texture is created lazilly, so we need null check before
+ using it.
+
+ Reviewed by Noam Rosenthal.
+
+ No new tests. This patch doesn't change behavior.
+
+ * platform/graphics/texmap/TextureMapperBackingStore.cpp:
+ (WebCore::TextureMapperTile::paint):
+
+2012-06-16 Huang Dongsung <[email protected]>
+
[Texmap] Remove unused code in Texmap.
https://bugs.webkit.org/show_bug.cgi?id=89265
Modified: trunk/Source/WebCore/platform/graphics/texmap/TextureMapperBackingStore.cpp (120532 => 120533)
--- trunk/Source/WebCore/platform/graphics/texmap/TextureMapperBackingStore.cpp 2012-06-16 22:17:04 UTC (rev 120532)
+++ trunk/Source/WebCore/platform/graphics/texmap/TextureMapperBackingStore.cpp 2012-06-16 22:22:03 UTC (rev 120533)
@@ -89,7 +89,8 @@
void TextureMapperTile::paint(TextureMapper* textureMapper, const TransformationMatrix& transform, float opacity, BitmapTexture* mask)
{
- textureMapper->drawTexture(*texture().get(), rect(), transform, opacity, mask);
+ if (texture().get())
+ textureMapper->drawTexture(*texture().get(), rect(), transform, opacity, mask);
}
TextureMapperTiledBackingStore::TextureMapperTiledBackingStore()
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