diff --git a/libs/surfaceflinger/LayerBlur.cpp b/libs/surfaceflinger/LayerBlur.cpp
index d3e456f..5fd7904 100644
--- a/libs/surfaceflinger/LayerBlur.cpp
+++ b/libs/surfaceflinger/LayerBlur.cpp
@@ -14,8 +14,6 @@
  * limitations under the License.
  */
 
-#define LOG_TAG "SurfaceFlinger"
-
 #include <stdlib.h>
 #include <stdint.h>
 #include <sys/types.h>
@@ -26,6 +24,7 @@
 #include <GLES/gl.h>
 #include <GLES/glext.h>
 
+#include "clz.h"
 #include "BlurFilter.h"
 #include "LayerBlur.h"
 #include "SurfaceFlinger.h"
@@ -40,17 +39,18 @@
 // ---------------------------------------------------------------------------
 
 LayerBlur::LayerBlur(SurfaceFlinger* flinger, DisplayID display,
-        Client* client, int32_t i)
-     : LayerBaseClient(flinger, display, client, i), mCacheDirty(true),
-     mRefreshCache(true), mCacheAge(0), mTextureName(-1U)
+        const sp<Client>& client, int32_t i)
+    : LayerBaseClient(flinger, display, client, i), mCacheDirty(true),
+          mRefreshCache(true), mCacheAge(0), mTextureName(-1U),
+          mWidthScale(1.0f), mHeightScale(1.0f),
+          mBlurFormat(GGL_PIXEL_FORMAT_RGB_565)
 {
 }
 
 LayerBlur::~LayerBlur()
 {
     if (mTextureName != -1U) {
-        //glDeleteTextures(1, &mTextureName);
-        deletedTextures.add(mTextureName);
+        glDeleteTextures(1, &mTextureName);
     }
 }
 
@@ -137,44 +137,73 @@
         // create the texture name the first time
         // can't do that in the ctor, because it runs in another thread.
         glGenTextures(1, &mTextureName);
+        glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES, &mReadFormat);
+        glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_TYPE_OES, &mReadType);
+        if (mReadFormat != GL_RGB || mReadType != GL_UNSIGNED_SHORT_5_6_5) {
+            mReadFormat = GL_RGBA;
+            mReadType = GL_UNSIGNED_BYTE;
+            mBlurFormat = GGL_PIXEL_FORMAT_RGBX_8888;
+        }
     }
 
-    Region::iterator iterator(clip);
-    if (iterator) {
+    Region::const_iterator it = clip.begin();
+    Region::const_iterator const end = clip.end();
+    if (it != end) {
         glEnable(GL_TEXTURE_2D);
         glBindTexture(GL_TEXTURE_2D, mTextureName);
-    
+
         if (mRefreshCache) {
             mRefreshCache = false;
             mAutoRefreshPending = false;
-            
-            // allocate enough memory for 4-bytes (2 pixels) aligned data
-            const int32_t s = (w + 1) & ~1;
-            uint16_t* const pixels = (uint16_t*)malloc(s*h*2);
+
+            int32_t pixelSize = 4;
+            int32_t s = w;
+            if (mReadType == GL_UNSIGNED_SHORT_5_6_5) {
+                // allocate enough memory for 4-bytes (2 pixels) aligned data
+                s = (w + 1) & ~1;
+                pixelSize = 2;
+            }
+
+            uint16_t* const pixels = (uint16_t*)malloc(s*h*pixelSize);
 
             // This reads the frame-buffer, so a h/w GL would have to
             // finish() its rendering first. we don't want to do that
             // too often. Read data is 4-bytes aligned.
-            glReadPixels(X, Y, w, h, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, pixels);
-            
+            glReadPixels(X, Y, w, h, mReadFormat, mReadType, pixels);
+
             // blur that texture.
             GGLSurface bl;
             bl.version = sizeof(GGLSurface);
             bl.width = w;
             bl.height = h;
             bl.stride = s;
-            bl.format = GGL_PIXEL_FORMAT_RGB_565;
+            bl.format = mBlurFormat;
             bl.data = (GGLubyte*)pixels;            
             blurFilter(&bl, 8, 2);
-            
-            // NOTE: this works only because we have POT. we'd have to round the
-            // texture size up, otherwise.
-            glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0,
-                    GL_RGB, GL_UNSIGNED_SHORT_5_6_5, pixels);
+
+            if (mFlags & (DisplayHardware::NPOT_EXTENSION)) {
+                glTexImage2D(GL_TEXTURE_2D, 0, mReadFormat, w, h, 0,
+                        mReadFormat, mReadType, pixels);
+                mWidthScale  = 1.0f / w;
+                mHeightScale =-1.0f / h;
+                mYOffset = 0;
+            } else {
+                GLuint tw = 1 << (31 - clz(w));
+                GLuint th = 1 << (31 - clz(h));
+                if (tw < GLuint(w)) tw <<= 1;
+                if (th < GLuint(h)) th <<= 1;
+                glTexImage2D(GL_TEXTURE_2D, 0, mReadFormat, tw, th, 0,
+                        mReadFormat, mReadType, NULL);
+                glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, w, h, 
+                        mReadFormat, mReadType, pixels);
+                mWidthScale  = 1.0f / tw;
+                mHeightScale =-1.0f / th;
+                mYOffset = th-h;
+            }
 
             free((void*)pixels);
         }
-        
+
         const State& s = drawingState();
         if (UNLIKELY(s.alpha < 0xFF)) {
             const GGLfixed alpha = (s.alpha << 16)/255;
@@ -186,7 +215,12 @@
             glDisable(GL_BLEND);
         }
 
-        glDisable(GL_DITHER);
+        if (mFlags & DisplayHardware::SLOW_CONFIG) {
+            glDisable(GL_DITHER);
+        } else {
+            glEnable(GL_DITHER);
+        }
+
         glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
         glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
         glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
@@ -196,37 +230,34 @@
             // This is a very rare scenario.
             glMatrixMode(GL_TEXTURE);
             glLoadIdentity();
-            glScalef(1.0f/w, -1.0f/h, 1);
-            glTranslatef(-x, -y, 0);
+            glScalef(mWidthScale, mHeightScale, 1);
+            glTranslatef(-x, mYOffset - y, 0);
             glEnableClientState(GL_TEXTURE_COORD_ARRAY);
             glVertexPointer(2, GL_FIXED, 0, mVertices);
             glTexCoordPointer(2, GL_FIXED, 0, mVertices);
-            Rect r;
-            while (iterator.iterate(&r)) {
+            while (it != end) {
+                const Rect& r = *it++;
                 const GLint sy = fbHeight - (r.top + r.height());
                 glScissor(r.left, sy, r.width(), r.height());
                 glDrawArrays(GL_TRIANGLE_FAN, 0, 4); 
             }       
+            glDisableClientState(GL_TEXTURE_COORD_ARRAY);
         } else {
-            Region::iterator iterator(clip);
-            if (iterator) {
-                // NOTE: this is marginally faster with the software gl, because
-                // glReadPixels() reads the fb bottom-to-top, however we'll
-                // skip all the jaccobian computations.
-                Rect r;
-                GLint crop[4] = { 0, 0, w, h };
-                glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
-                y = fbHeight - (y + h);
-                while (iterator.iterate(&r)) {
-                    const GLint sy = fbHeight - (r.top + r.height());
-                    glScissor(r.left, sy, r.width(), r.height());
-                    glDrawTexiOES(x, y, 0, w, h);
-                }
+            // NOTE: this is marginally faster with the software gl, because
+            // glReadPixels() reads the fb bottom-to-top, however we'll
+            // skip all the jaccobian computations.
+            Rect r;
+            GLint crop[4] = { 0, 0, w, h };
+            glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
+            y = fbHeight - (y + h);
+            while (it != end) {
+                const Rect& r = *it++;
+                const GLint sy = fbHeight - (r.top + r.height());
+                glScissor(r.left, sy, r.width(), r.height());
+                glDrawTexiOES(x, y, 0, w, h);
             }
         }
     }
-
-    glDisableClientState(GL_TEXTURE_COORD_ARRAY);
 }
 
 // ---------------------------------------------------------------------------