From ac127dc31bd071ed522f5cd48a910065756c8ded Mon Sep 17 00:00:00 2001
From: Chih-Chung Chang <chihchung@google.com>
Date: Fri, 22 Jan 2010 16:30:39 -0800
Subject: Add support for 180/270 degrees rotation.

---
 libs/surfaceflinger/LayerBase.cpp | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

(limited to 'libs/surfaceflinger/LayerBase.cpp')

diff --git a/libs/surfaceflinger/LayerBase.cpp b/libs/surfaceflinger/LayerBase.cpp
index 17db6f457397..4d7bef8da704 100644
--- a/libs/surfaceflinger/LayerBase.cpp
+++ b/libs/surfaceflinger/LayerBase.cpp
@@ -444,12 +444,21 @@ void LayerBase::drawWithOpenGL(const Region& clip, const Texture& texture) const
         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);
         }
-- 
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