frameworks/base: fixes for tile rendering issues

1)fixes invalid operation issue on start tiling
2)twitter balckbox, graybox issues
3)miscellaneous corruption issues

CRs-Fixed: 387801

Change-Id: I5e63b2fb751e6973cc6f86437cb7066db4fe95d4

libs/hwui/OpenGLRenderer.cpp

@@ -656,11 +656,6 @@ bool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> sna
     TILERENDERING_END(previousFbo);
 #endif
     glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo());
-#ifdef QCOM_HARDWARE
-    TILERENDERING_START(layer->getFbo(), clip.left, clip.top,
-                        clip.right, clip.bottom,
-                        bounds.getWidth(), bounds.getHeight());
-#endif
     layer->bindTexture();
 
     // Initialize the texture if needed
@@ -676,12 +671,9 @@ bool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> sna
     GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
     if (status != GL_FRAMEBUFFER_COMPLETE) {
         ALOGE("Framebuffer incomplete (GL error code 0x%x)", status);
-#ifdef QCOM_HARDWARE
-        TILERENDERING_END(layer->getFbo(), true);
-#endif
         glBindFramebuffer(GL_FRAMEBUFFER, previousFbo);
 #ifdef QCOM_HARDWARE
-        TILERENDERING_START(previousFbo);
+        TILERENDERING_START(previousFbo, true);
 #endif
         layer->deleteTexture();
         mCaches.fboCache.put(layer->getFbo());
@@ -691,6 +683,12 @@ bool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> sna
     }
 #endif
 
+#ifdef QCOM_HARDWARE
+    TILERENDERING_START(layer->getFbo(), clip.left, clip.top,
+                        clip.right, clip.bottom,
+                        bounds.getWidth(), bounds.getHeight());
+#endif
+
     // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering
     mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f,
             clip.getWidth() + 2.0f, clip.getHeight() + 2.0f);