Merge "hwui: Caches: use mBoundTextures only for GL_TEXTURE_2D" into lmp-dev

libs/hwui/Caches.cpp

@@ -551,9 +551,13 @@ void Caches::bindTexture(GLuint texture) {
 }
 
 void Caches::bindTexture(GLenum target, GLuint texture) {
-    if (mBoundTextures[mTextureUnit] != texture) {
+    if (target == GL_TEXTURE_2D) {
+        bindTexture(texture);
+    } else {
+        // GLConsumer directly calls glBindTexture() with
+        // target=GL_TEXTURE_EXTERNAL_OES, don't cache this target
+        // since the cached state could be stale
         glBindTexture(target, texture);
-        mBoundTextures[mTextureUnit] = texture;
     }
 }
 

libs/hwui/Caches.h

@@ -431,6 +431,7 @@ private:
 
     uint32_t mFunctorsCount;
 
+    // Caches texture bindings for the GL_TEXTURE_2D target
     GLuint mBoundTextures[REQUIRED_TEXTURE_UNITS_COUNT];
 
     OverdrawColorSet mOverdrawDebugColorSet;