commit 5994a330ac949e7706540f22cd73d76d9f2a96cb
author Chih-Chung Chang <chihchung@google.com> Fri Jan 22 16:30:39 2010 -0800
committer Chih-Chung Chang <chihchung@google.com> Fri Jan 22 16:30:39 2010 -0800
tree 46250601cda14ac8a44572be4566a8ac0869701d
parent 32f6863e218e19f8a3daab7e345bb4ae6587865a

Add support for 180/270 degrees rotation.

libs/surfaceflinger/LayerBase.cpp

diff --git a/libs/surfaceflinger/LayerBase.cpp b/libs/surfaceflinger/LayerBase.cpp
index 17db6f4..4d7bef8 100644
--- a/libs/surfaceflinger/LayerBase.cpp
+++ b/libs/surfaceflinger/LayerBase.cpp
@@ -444,12 +444,21 @@
         glLoadIdentity();
 
         // the texture's source is rotated
-        if (texture.transform == HAL_TRANSFORM_ROT_90) {
-            // TODO: handle the other orientations
-            glTranslatef(0, 1, 0);
-            glRotatef(-90, 0, 0, 1);
+        switch (texture.transform) {
+            case HAL_TRANSFORM_ROT_90:
+                glTranslatef(0, 1, 0);
+                glRotatef(-90, 0, 0, 1);
+                break;
+            case HAL_TRANSFORM_ROT_180:
+                glTranslatef(1, 1, 0);
+                glRotatef(-180, 0, 0, 1);
+                break;
+            case HAL_TRANSFORM_ROT_270:
+                glTranslatef(1, 0, 0);
+                glRotatef(-270, 0, 0, 1);
+                break;
         }
-        
+
         if (texture.NPOTAdjust) {
             glScalef(texture.wScale, texture.hScale, 1.0f);
         }