Remove opaque check in GLRenderer when preparing dirty region.

Since preserved swap is enabled, we need to clear the color buffer
when the scissor rect is prepared for a new process. This prevents
garbage to be present from the previous process in the color buffer.

CRs-Fixed: 391492, 403067, 405916

Change-Id: I1f72a3dee2f5d58a984f4cd367c9f7bf08ab9d6a

Conflicts:

	libs/hwui/OpenGLRenderer.cpp

[PATCH] Remove opaque check in preparing dirty region

Since preserved swap is enabled, we need to clear the color buffer
when the scissor rect is prepared for a new rocess. This prevents
garbage to be present from the previous process in the color buffer.

(cherry picked from commit 2b5e584e2615852b68a69bb529c6926190246b64)

Change-Id: I92a4fa35e0746f12fcd736e21fd30d9c4b644a8a
CRs-Fixed: 391492, 403067, 405916

Conflicts:

	libs/hwui/OpenGLRenderer.cpp

Enable scissor when preparing dirty rect that is opaque

Now enabling scissor before setting it in the opaque case, previously was not doing so.

Change-Id: I1ea904cf01603096e423556090564291ab712d36
CRs-Fixed: 465346
Depends-on: 278453

Remove opaque check in preparing dirty region

Since preserve swap is enabled, we need to clear the color buffer
when the scissor rect is prepared for a new process. This prevents
garbage being present from the previous process in the color buffer.

CRs-Fixed: 465346
Change-Id: I98f2009748244751c4b56af8afbdfeb645c13230

1 files changed, 15 insertions, 0 deletions

diff --git a/libs/hwui/OpenGLRenderer.cpp b/libs/hwui/OpenGLRenderer.cpp
index bc30738..7309e46 100644..100755
--- a/libs/hwui/OpenGLRenderer.cpp
+++ b/libs/hwui/OpenGLRenderer.cpp
@@ -208,6 +208,20 @@ status_t OpenGLRenderer::prepareDirty(float left, float top, float right, float
 }
 
 status_t OpenGLRenderer::clear(float left, float top, float right, float bottom, bool opaque) {
+#ifdef QCOM_HARDWARE
+    mCaches.enableScissor();
+    mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top);
+    glClear(GL_COLOR_BUFFER_BIT);
+    if(opaque)
+    {
+        mCaches.resetScissor();
+        return DrawGlInfo::kStatusDone;
+    }
+    else
+    {
+        return DrawGlInfo::kStatusDrew;
+    }
+#else
     if (!opaque) {
         mCaches.enableScissor();
         mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top);
@@ -217,6 +231,7 @@ status_t OpenGLRenderer::clear(float left, float top, float right, float bottom,
 
     mCaches.resetScissor();
     return DrawGlInfo::kStatusDone;
+#endif
 }
 
 void OpenGLRenderer::syncState() {