Work around a possible driver bug

Romain Guy · Romain Guy · commit 50ae66a55412 · 2012-10-07T15:23:55.000-07:00
Bug #7296475

When re-enabling the scissor the driver seems to ignore the already
existing scissor box. This change resets the scissor box when the
test state changes.

Change-Id: I3a68433164f99d21fbab769a26c56fe416c1539a
diff --git a/libs/hwui/Caches.cpp b/libs/hwui/Caches.cpp
@@ -418,6 +418,7 @@ bool Caches::enableScissor() {
     if (!scissorEnabled) {
         glEnable(GL_SCISSOR_TEST);
         scissorEnabled = true;
+        resetScissor();
         return true;
     }
     return false;

Original file line number	Diff line number	Diff line change
`@@ -418,6 +418,7 @@ bool Caches::enableScissor() {`
`418`	`418`	`if (!scissorEnabled) {`
`419`	`419`	`glEnable(GL_SCISSOR_TEST);`
`420`	`420`	`scissorEnabled = true;`
	`421`	`+ resetScissor();`
`421`	`422`	`return true;`
`422`	`423`	`}`
`423`	`424`	`return false;`