diff --git a/opengl/libagl/Android.mk b/opengl/libagl/Android.mk
index 3ce0414..9837845 100644
--- a/opengl/libagl/Android.mk
+++ b/opengl/libagl/Android.mk
@@ -6,6 +6,9 @@
 
 include $(CLEAR_VARS)
 
+# Set to 1 to use gralloc and copybits
+LIBAGL_USE_GRALLOC_COPYBITS := 1
+
 LOCAL_SRC_FILES:= \
 	egl.cpp                     \
 	state.cpp		            \
@@ -22,6 +25,13 @@
 	primitives.cpp.arm	        \
 	vertex.cpp.arm
 
+LOCAL_CFLAGS += -DLOG_TAG=\"libagl\"
+LOCAL_CFLAGS += -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES
+LOCAL_CFLAGS += -fvisibility=hidden
+
+LOCAL_SHARED_LIBRARIES := libcutils libhardware libutils libpixelflinger
+LOCAL_LDLIBS := -lpthread -ldl
+
 ifeq ($(TARGET_ARCH),arm)
 	LOCAL_SRC_FILES += fixed_asm.S iterators.S
 	LOCAL_CFLAGS += -fstrict-aliasing
@@ -29,13 +39,17 @@
 
 ifneq ($(TARGET_SIMULATOR),true)
     # we need to access the private Bionic header <bionic_tls.h>
-    LOCAL_CFLAGS += -I$(LOCAL_PATH)/../../../../bionic/libc/private
+    LOCAL_C_INCLUDES += bionic/libc/private
 endif
 
-LOCAL_SHARED_LIBRARIES := libcutils libutils libpixelflinger
-LOCAL_CFLAGS += -fvisibility=hidden
+ifeq ($(LIBAGL_USE_GRALLOC_COPYBITS),1)
+    LOCAL_CFLAGS += -DLIBAGL_USE_GRALLOC_COPYBITS
+    LOCAL_SRC_FILES += copybit.cpp
+    LOCAL_SHARED_LIBRARIES += libui
+endif
 
-LOCAL_LDLIBS := -lpthread -ldl
-LOCAL_MODULE:= libagl
+
+LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/egl
+LOCAL_MODULE:= libGLES_android
 
 include $(BUILD_SHARED_LIBRARY)
diff --git a/opengl/libagl/TextureObjectManager.cpp b/opengl/libagl/TextureObjectManager.cpp
index ce31854..255ccac 100644
--- a/opengl/libagl/TextureObjectManager.cpp
+++ b/opengl/libagl/TextureObjectManager.cpp
@@ -1,16 +1,16 @@
 /*
  ** Copyright 2006, The Android Open Source Project
  **
- ** Licensed under the Apache License, Version 2.0 (the "License"); 
- ** you may not use this file except in compliance with the License. 
- ** You may obtain a copy of the License at 
+ ** Licensed under the Apache License, Version 2.0 (the "License");
+ ** you may not use this file except in compliance with the License.
+ ** You may obtain a copy of the License at
  **
- **     http://www.apache.org/licenses/LICENSE-2.0 
+ **     http://www.apache.org/licenses/LICENSE-2.0
  **
- ** Unless required by applicable law or agreed to in writing, software 
- ** distributed under the License is distributed on an "AS IS" BASIS, 
- ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
- ** See the License for the specific language governing permissions and 
+ ** Unless required by applicable law or agreed to in writing, software
+ ** distributed under the License is distributed on an "AS IS" BASIS,
+ ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ ** See the License for the specific language governing permissions and
  ** limitations under the License.
  */
 
@@ -19,11 +19,13 @@
 #include "context.h"
 #include "TextureObjectManager.h"
 
+#include <private/ui/android_natives_priv.h>
+
 namespace android {
 // ----------------------------------------------------------------------------
 
 EGLTextureObject::EGLTextureObject()
-    : mCount(0), mSize(0)
+    : mSize(0)
 {
     init();
 }
@@ -53,6 +55,10 @@
     memset(crop_rect, 0, sizeof(crop_rect));
     generate_mipmap = GL_FALSE;
     direct = GL_FALSE;
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+    try_copybit = false;
+#endif // LIBAGL_USE_GRALLOC_COPYBITS
+    buffer = 0;
 }
 
 void EGLTextureObject::copyParameters(const sp<EGLTextureObject>& old)
@@ -123,6 +129,7 @@
     }
     surface = *s;
     internalformat = 0;
+    buffer = 0;
 
     // we should keep the crop_rect, but it's delicate because
     // the new size of the surface could make it invalid.
@@ -141,12 +148,26 @@
     return NO_ERROR;
 }
 
+status_t EGLTextureObject::setImage(android_native_buffer_t* native_buffer)
+{
+    GGLSurface sur;
+    sur.version = sizeof(GGLSurface);
+    sur.width = native_buffer->width;
+    sur.height= native_buffer->height;
+    sur.stride= native_buffer->stride;
+    sur.format= native_buffer->format;
+    sur.data  = 0;
+    setSurface(&sur);
+    buffer = native_buffer;
+    return NO_ERROR;
+}
+
 status_t EGLTextureObject::reallocate(
         GLint level, int w, int h, int s,
         int format, int compressedFormat, int bpr)
 {
     const size_t size = h * bpr;
-    if (level == 0) 
+    if (level == 0)
     {
         if (size!=mSize || !surface.data) {
             if (mSize && surface.data) {
@@ -177,9 +198,9 @@
                 return NO_MEMORY;
         }
 
-        LOGW_IF(level-1 >= mNumExtraLod, 
+        LOGW_IF(level-1 >= mNumExtraLod,
                 "specifying mipmap level %d, but # of level is %d",
-                level, mNumExtraLod+1);        
+                level, mNumExtraLod+1);
 
         GGLSurface& mipmap = editMip(level);
         if (mipmap.data)
@@ -224,7 +245,7 @@
 // ----------------------------------------------------------------------------
 
 EGLSurfaceManager::EGLSurfaceManager()
-    : TokenManager(), mCount(0)
+    : TokenManager()
 {
 }
 
diff --git a/opengl/libagl/TextureObjectManager.h b/opengl/libagl/TextureObjectManager.h
index 74ed1a4..279e040 100644
--- a/opengl/libagl/TextureObjectManager.h
+++ b/opengl/libagl/TextureObjectManager.h
@@ -1,16 +1,16 @@
 /*
 ** Copyright 2006, The Android Open Source Project
 **
-** Licensed under the Apache License, Version 2.0 (the "License"); 
-** you may not use this file except in compliance with the License. 
-** You may obtain a copy of the License at 
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
 **
-**     http://www.apache.org/licenses/LICENSE-2.0 
+**     http://www.apache.org/licenses/LICENSE-2.0
 **
-** Unless required by applicable law or agreed to in writing, software 
-** distributed under the License is distributed on an "AS IS" BASIS, 
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
-** See the License for the specific language governing permissions and 
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
 ** limitations under the License.
 */
 
@@ -30,6 +30,8 @@
 #include <private/pixelflinger/ggl_context.h>
 
 #include <GLES/gl.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
 
 #include "Tokenizer.h"
 #include "TokenManager.h"
@@ -39,22 +41,20 @@
 
 // ----------------------------------------------------------------------------
 
-class EGLTextureObject
+class EGLTextureObject : public LightRefBase<EGLTextureObject>
 {
 public:
                     EGLTextureObject();
                    ~EGLTextureObject();
 
-    // protocol for sp<>
-    inline  void        incStrong(const void* id) const;
-    inline  void        decStrong(const void* id) const;
-    inline  uint32_t    getStrongCount() const;
+    status_t    setSurface(GGLSurface const* s);
+    status_t    setImage(android_native_buffer_t* buffer);
+    void        setImageBits(void* vaddr) { surface.data = (GGLubyte*)vaddr; }
 
-    status_t            setSurface(GGLSurface const* s);
     status_t            reallocate(GLint level,
                             int w, int h, int s,
                             int format, int compressedFormat, int bpr);
-    inline  size_t      size() const;
+    inline  size_t      size() const { return mSize; }
     const GGLSurface&   mip(int lod) const;
     GGLSurface&         editMip(int lod);
     bool                hasMipmaps() const { return mMipmaps!=0; }
@@ -65,7 +65,6 @@
         status_t        allocateMipmaps();
             void        freeMipmaps();
             void        init();
-    mutable int32_t     mCount;
     size_t              mSize;
     GGLSurface          *mMipmaps;
     int                 mNumExtraLod;
@@ -81,36 +80,22 @@
     GLint               crop_rect[4];
     GLint               generate_mipmap;
     GLint               direct;
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+    bool                try_copybit;
+#endif // LIBAGL_USE_GRALLOC_COPYBITS
+    android_native_buffer_t* buffer;
 };
 
-void EGLTextureObject::incStrong(const void* id) const {
-    android_atomic_inc(&mCount);
-}
-void EGLTextureObject::decStrong(const void* id) const {
-    if (android_atomic_dec(&mCount) == 1) {
-        delete this;
-    }
-}
-uint32_t EGLTextureObject::getStrongCount() const {
-    return mCount;
-}
-size_t EGLTextureObject::size() const {
-    return mSize;
-}
-
 // ----------------------------------------------------------------------------
 
-class EGLSurfaceManager : public TokenManager
+class EGLSurfaceManager :
+    public LightRefBase<EGLSurfaceManager>,
+    public TokenManager
 {
 public:
                 EGLSurfaceManager();
                 ~EGLSurfaceManager();
 
-    // protocol for sp<>
-    inline  void    incStrong(const void* id) const;
-    inline  void    decStrong(const void* id) const;
-    typedef void    weakref_type;
-
     sp<EGLTextureObject>    createTexture(GLuint name);
     sp<EGLTextureObject>    removeTexture(GLuint name);
     sp<EGLTextureObject>    replaceTexture(GLuint name);
@@ -118,21 +103,10 @@
     sp<EGLTextureObject>    texture(GLuint name);
 
 private:
-    mutable int32_t                             mCount;
     mutable Mutex                               mLock;
     KeyedVector< GLuint, sp<EGLTextureObject> > mTextures;
 };
 
-void EGLSurfaceManager::incStrong(const void* id) const {
-    android_atomic_inc(&mCount);
-}
-void EGLSurfaceManager::decStrong(const void* id) const {
-    if (android_atomic_dec(&mCount) == 1) {
-        delete this;
-    }
-}
-
-
 // ----------------------------------------------------------------------------
 }; // namespace android
 
diff --git a/opengl/libagl/array.cpp b/opengl/libagl/array.cpp
index 3e9c6a5..4878722 100644
--- a/opengl/libagl/array.cpp
+++ b/opengl/libagl/array.cpp
@@ -1,16 +1,16 @@
-/* 
+/*
 ** Copyright 2006, The Android Open Source Project
 **
-** Licensed under the Apache License, Version 2.0 (the "License"); 
-** you may not use this file except in compliance with the License. 
-** You may obtain a copy of the License at 
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
 **
-**     http://www.apache.org/licenses/LICENSE-2.0 
+**     http://www.apache.org/licenses/LICENSE-2.0
 **
-** Unless required by applicable law or agreed to in writing, software 
-** distributed under the License is distributed on an "AS IS" BASIS, 
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
-** See the License for the specific language governing permissions and 
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
 ** limitations under the License.
 */
 
@@ -26,6 +26,9 @@
 #include "primitives.h"
 #include "texture.h"
 #include "BufferObjectManager.h"
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+#include "copybit.h"
+#endif // LIBAGL_USE_GRALLOC_COPYBITS
 
 // ----------------------------------------------------------------------------
 
@@ -250,7 +253,7 @@
     v[2] = GGL_S_TO_X(p[2]);
 }
 
-typedef array_t::fetcher_t fn_t; 
+typedef array_t::fetcher_t fn_t;
 
 static const fn_t color_fct[2][16] = { // size={3,4}, type={ub,f,x}
     { 0, (fn_t)fetchExpand3ub, 0, 0, 0, 0,
@@ -334,7 +337,7 @@
     this->bounds = count;
 }
 
-inline void array_t::resolve() 
+inline void array_t::resolve()
 {
     physical_pointer = (bo) ? (bo->data + uintptr_t(pointer)) : pointer;
 }
@@ -465,7 +468,7 @@
         // We compute directly the index of a "free" entry from the locked
         // state of v[2] and v[3].
         v = c->vc.vBuffer + 2;
-        v += v[0].locked | (v[1].locked<<1);       
+        v += v[0].locked | (v[1].locked<<1);
     }
     // note: compileElement clears v->flags
     c->arrays.compileElement(c, v, index);
@@ -480,7 +483,7 @@
 
 #if VC_CACHE_TYPE == VC_CACHE_TYPE_INDEXED
 
-    vertex_t* const v = c->vc.vCache + 
+    vertex_t* const v = c->vc.vCache +
             (index & (vertex_cache_t::VERTEX_CACHE_SIZE-1));
 
     if (ggl_likely(v->index == index)) {
@@ -491,7 +494,7 @@
 
 #elif VC_CACHE_TYPE == VC_CACHE_TYPE_LRU
 
-    vertex_t* v = c->vc.vCache + 
+    vertex_t* v = c->vc.vCache +
             (index & ((vertex_cache_t::VERTEX_CACHE_SIZE-1)>>1))*2;
 
     // always record LRU in v[0]
@@ -532,12 +535,12 @@
         return;
 
     // vertex cache size must be multiple of 1
-    const GLsizei vcs = 
+    const GLsizei vcs =
             (vertex_cache_t::VERTEX_BUFFER_SIZE +
              vertex_cache_t::VERTEX_CACHE_SIZE);
     do {
         vertex_t* v = c->vc.vBuffer;
-        GLsizei num = count > vcs ? vcs : count; 
+        GLsizei num = count > vcs ? vcs : count;
         c->arrays.cull = vertex_t::CLIP_ALL;
         c->arrays.compileElements(c, v, first, num);
         first += num;
@@ -569,13 +572,13 @@
     count -= 1;
 
     // vertex cache size must be multiple of 1
-    const GLsizei vcs = 
+    const GLsizei vcs =
         (vertex_cache_t::VERTEX_BUFFER_SIZE +
          vertex_cache_t::VERTEX_CACHE_SIZE - 1);
     do {
-        v0 = c->vc.vBuffer + 0; 
+        v0 = c->vc.vBuffer + 0;
         v  = c->vc.vBuffer + 1;
-        GLsizei num = count > vcs ? vcs : count; 
+        GLsizei num = count > vcs ? vcs : count;
         c->arrays.compileElements(c, v, first, num);
         first += num;
         count -= num;
@@ -602,7 +605,7 @@
         return;
     drawPrimitivesLineStrip(c, first, count);
     if (ggl_likely(count >= 3)) {
-        vertex_t* v0 = c->vc.vBuffer; 
+        vertex_t* v0 = c->vc.vBuffer;
         vertex_t* v1 = c->vc.vBuffer + 1;
         c->arrays.compileElement(c, v1, first);
         const uint32_t cc = v0->flags & v1->flags;
@@ -617,12 +620,12 @@
         return;
 
     // vertex cache size must be multiple of 2
-    const GLsizei vcs = 
+    const GLsizei vcs =
         ((vertex_cache_t::VERTEX_BUFFER_SIZE +
         vertex_cache_t::VERTEX_CACHE_SIZE) / 2) * 2;
     do {
         vertex_t* v = c->vc.vBuffer;
-        GLsizei num = count > vcs ? vcs : count; 
+        GLsizei num = count > vcs ? vcs : count;
         c->arrays.cull = vertex_t::CLIP_ALL;
         c->arrays.compileElements(c, v, first, num);
         first += num;
@@ -662,14 +665,14 @@
     // because it allows us to preserve the same winding when the whole
     // batch is culled. We also need 2 extra vertices in the array, because
     // we always keep the two first ones.
-    const GLsizei vcs = 
+    const GLsizei vcs =
         ((vertex_cache_t::VERTEX_BUFFER_SIZE +
           vertex_cache_t::VERTEX_CACHE_SIZE - 2) / 2) * 2;
     do {
-        v0 = c->vc.vBuffer + 0; 
-        v1 = c->vc.vBuffer + 1; 
+        v0 = c->vc.vBuffer + 0;
+        v1 = c->vc.vBuffer + 1;
         v  = c->vc.vBuffer + 2;
-        GLsizei num = count > vcs ? vcs : count; 
+        GLsizei num = count > vcs ? vcs : count;
         c->arrays.compileElements(c, v, first, num);
         first += num;
         count -= num;
@@ -697,13 +700,19 @@
     } while (count > 0);
 }
 
-void drawPrimitivesTriangleStrip(ogles_context_t* c, 
+void drawPrimitivesTriangleStrip(ogles_context_t* c,
         GLint first, GLsizei count) {
     drawPrimitivesTriangleFanOrStrip(c, first, count, 1);
 }
 
 void drawPrimitivesTriangleFan(ogles_context_t* c,
         GLint first, GLsizei count) {
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+    if (drawTriangleFanWithCopybit(c, first, count)) {
+        return;
+    }
+#endif // LIBAGL_USE_GRALLOC_COPYBITS
+
     drawPrimitivesTriangleFanOrStrip(c, first, count, 2);
 }
 
@@ -713,12 +722,12 @@
         return;
 
     // vertex cache size must be multiple of 3
-    const GLsizei vcs = 
+    const GLsizei vcs =
         ((vertex_cache_t::VERTEX_BUFFER_SIZE +
         vertex_cache_t::VERTEX_CACHE_SIZE) / 3) * 3;
     do {
         vertex_t* v = c->vc.vBuffer;
-        GLsizei num = count > vcs ? vcs : count; 
+        GLsizei num = count > vcs ? vcs : count;
         c->arrays.cull = vertex_t::CLIP_ALL;
         c->arrays.compileElements(c, v, first, num);
         first += num;
@@ -779,11 +788,11 @@
 {
     if (ggl_unlikely(count < 2))
         return;
-    
+
     vertex_t * const v = c->vc.vBuffer;
     vertex_t* v0 = v;
     vertex_t* v1;
-    
+
     const int type = (c->arrays.indicesType == GL_UNSIGNED_BYTE);
     c->arrays.compileElement(c, v0, read_index(type, indices));
     count -= 1;
@@ -806,11 +815,11 @@
         drawIndexedPrimitivesLines(c, count, indices);
         return;
     }
- 
+
     vertex_t * const v = c->vc.vBuffer;
     vertex_t* v0 = v;
     vertex_t* v1;
-    
+
     const int type = (c->arrays.indicesType == GL_UNSIGNED_BYTE);
     c->arrays.compileElement(c, v0, read_index(type, indices));
     count -= 1;
@@ -825,7 +834,7 @@
     } while (count);
     v1->locked = 0;
 
-    v1 = c->vc.vBuffer; 
+    v1 = c->vc.vBuffer;
     const uint32_t cc = v0->flags & v1->flags;
     if (ggl_likely(!(cc & vertex_t::CLIP_ALL)))
         c->prims.renderLine(c, v0, v1);
@@ -861,7 +870,7 @@
 
     if (ggl_unlikely(count < 3))
         return;
-    
+
     vertex_t * const v = c->vc.vBuffer;
     vertex_t* v0 = v;
     vertex_t* v1 = v+1;
@@ -985,17 +994,17 @@
     const GLfixed* vp = (const GLfixed*)c->arrays.vertex.element(first);
     const size_t stride = c->arrays.vertex.stride / 4;
 //    const GLfixed* const& m = c->transforms.mvp.matrix.m;
-    
+
     GLfixed m[16];
     memcpy(&m, c->transforms.mvp.matrix.m, sizeof(m));
-    
+
     do {
         const GLfixed rx = vp[0];
         const GLfixed ry = vp[1];
         const GLfixed rz = vp[2];
         vp += stride;
         v->index = first++;
-        v->clip.x = mla3a(rx, m[ 0], ry, m[ 4], rz, m[ 8], m[12]); 
+        v->clip.x = mla3a(rx, m[ 0], ry, m[ 4], rz, m[ 8], m[12]);
         v->clip.y = mla3a(rx, m[ 1], ry, m[ 5], rz, m[ 9], m[13]);
         v->clip.z = mla3a(rx, m[ 2], ry, m[ 6], rz, m[10], m[14]);
         v->clip.w = mla3a(rx, m[ 3], ry, m[ 7], rz, m[11], m[15]);
@@ -1023,7 +1032,7 @@
 #pragma mark clippers
 #endif
 
-static void clipVec4(vec4_t& nv, 
+static void clipVec4(vec4_t& nv,
         GLfixed t, const vec4_t& s, const vec4_t& p)
 {
     for (int i=0; i<4 ; i++)
@@ -1086,10 +1095,10 @@
     // automatically turn it off (in fact we could when the 4th coordinate
     // is not spcified in the vertex array).
     // W interpolation is never needed for points.
-    GLboolean perspective = 
+    GLboolean perspective =
         c->perspective && mode!=GL_POINTS && (enables & GGL_ENABLE_TMUS);
     c->rasterizer.procs.enableDisable(c, GGL_W_LERP, perspective);
-    
+
     // set anti-aliasing
     GLboolean smooth = GL_FALSE;
     switch (mode) {
@@ -1120,7 +1129,7 @@
     if (enables & GGL_ENABLE_TMUS) { // needs texture transforms
         want |= transform_state_t::TEXTURE;
     }
-    if (c->clipPlanes.enable || (enables & GGL_ENABLE_FOG)) { 
+    if (c->clipPlanes.enable || (enables & GGL_ENABLE_FOG)) {
         want |= transform_state_t::MODELVIEW; // needs eye coords
     }
     ogles_validate_transform(c, want);
@@ -1139,18 +1148,18 @@
 
     c->arrays.mv_transform =
         c->transforms.modelview.transform.pointv[c->arrays.vertex.size - 2];
-    
+
     /*
      * ***********************************************************************
      *  pick fetchers
      * ***********************************************************************
      */
-    
+
     array_machine_t& am = c->arrays;
     am.vertex.fetch = fetchNop;
     am.normal.fetch = currentNormal;
     am.color.fetch = currentColor;
-    
+
     if (am.vertex.enable) {
         am.vertex.resolve();
         if (am.vertex.bo || am.vertex.pointer) {
@@ -1257,9 +1266,7 @@
     GLint size, GLenum type, GLsizei stride, const GLvoid *pointer)
 {
     ogles_context_t* c = ogles_context_t::get();
-    // in theory ogles doesn't allow color arrays of size 3
-    // but it is very useful to 'visualize' the normal array.
-    if (size<3 || size>4 || stride<0) {
+    if (size!=4 || stride<0) {
         ogles_error(c, GL_INVALID_VALUE);
         return;
     }
@@ -1366,9 +1373,18 @@
     if ((c->cull.enable) && (c->cull.cullFace == GL_FRONT_AND_BACK))
         return; // all triangles are culled
 
+
     validate_arrays(c, mode);
+
+    const uint32_t enables = c->rasterizer.state.enables;
+    if (enables & GGL_ENABLE_TMUS)
+        ogles_lock_textures(c);
+
     drawArraysPrims[mode](c, first, count);
 
+    if (enables & GGL_ENABLE_TMUS)
+        ogles_unlock_textures(c);
+
 #if VC_CACHE_STATISTICS
     c->vc.total = count;
     c->vc.dump_stats(mode);
@@ -1413,15 +1429,23 @@
     // clear the vertex-cache
     c->vc.clear();
     validate_arrays(c, mode);
-    
+
     // if indices are in a buffer object, the pointer is treated as an
     // offset in that buffer.
     if (c->arrays.element_array_buffer) {
         indices = c->arrays.element_array_buffer->data + uintptr_t(indices);
     }
 
-    drawElementsPrims[mode](c, count, indices);
+    const uint32_t enables = c->rasterizer.state.enables;
+    if (enables & GGL_ENABLE_TMUS)
+        ogles_lock_textures(c);
 
+    drawElementsPrims[mode](c, count, indices);
+    
+    if (enables & GGL_ENABLE_TMUS)
+        ogles_unlock_textures(c);
+
+    
 #if VC_CACHE_STATISTICS
     c->vc.total = count;
     c->vc.dump_stats(mode);
@@ -1448,7 +1472,7 @@
             return;
         }
     }
-    ((target == GL_ARRAY_BUFFER) ? 
+    ((target == GL_ARRAY_BUFFER) ?
             c->arrays.array_buffer : c->arrays.element_array_buffer) = bo;
 }
 
@@ -1467,7 +1491,7 @@
         ogles_error(c, GL_INVALID_ENUM);
         return;
     }
-    buffer_t const* bo = ((target == GL_ARRAY_BUFFER) ? 
+    buffer_t const* bo = ((target == GL_ARRAY_BUFFER) ?
             c->arrays.array_buffer : c->arrays.element_array_buffer);
 
     if (bo == 0) {
@@ -1497,7 +1521,7 @@
         ogles_error(c, GL_INVALID_VALUE);
         return;
     }
-    buffer_t const* bo = ((target == GL_ARRAY_BUFFER) ? 
+    buffer_t const* bo = ((target == GL_ARRAY_BUFFER) ?
             c->arrays.array_buffer : c->arrays.element_array_buffer);
 
     if (bo == 0) {
@@ -1545,7 +1569,7 @@
                 }
             }
         }
-    }    
+    }
     c->bufferObjectManager->deleteBuffers(n, buffers);
     c->bufferObjectManager->recycleTokens(n, buffers);
 }
diff --git a/opengl/libagl/copybit.cpp b/opengl/libagl/copybit.cpp
new file mode 100644
index 0000000..a68750e
--- /dev/null
+++ b/opengl/libagl/copybit.cpp
@@ -0,0 +1,631 @@
+/*
+**
+** Copyright 2009, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "context.h"
+#include "fp.h"
+#include "state.h"
+#include "matrix.h"
+#include "vertex.h"
+#include "light.h"
+#include "primitives.h"
+#include "texture.h"
+#include "BufferObjectManager.h"
+#include "TextureObjectManager.h"
+
+#include <hardware/gralloc.h>
+#include <hardware/copybit.h>
+#include <private/ui/android_natives_priv.h>
+
+#include <ui/GraphicBuffer.h>
+#include <ui/Region.h>
+#include <ui/Rect.h>
+
+
+#define DEBUG_COPYBIT true
+
+// ----------------------------------------------------------------------------
+
+namespace android {
+
+static void textureToCopyBitImage(
+        const GGLSurface* surface, int32_t opFormat, 
+        android_native_buffer_t* buffer, copybit_image_t* img)
+{
+    uint32_t vstride = 0;
+    if (opFormat == COPYBIT_FORMAT_YCbCr_422_SP ||
+            opFormat == COPYBIT_FORMAT_YCbCr_420_SP) {
+        // NOTE: this static_cast is really not safe b/c we can't know for
+        // sure the buffer passed is of the right type.
+        // However, since we do this only for YUV formats, we should be safe
+        // since only SurfaceFlinger makes use of them.
+        GraphicBuffer* graphicBuffer = static_cast<GraphicBuffer*>(buffer);
+        vstride = graphicBuffer->getVerticalStride();
+    }
+
+    img->w      = surface->stride;
+    img->h      = vstride ? vstride : surface->height;
+    img->format = opFormat;
+    img->base   = surface->data;
+    img->handle = (native_handle_t *)buffer->handle;
+}
+
+struct clipRectRegion : public copybit_region_t {
+    clipRectRegion(ogles_context_t* c) 
+    {
+        scissor_t const* scissor = &c->rasterizer.state.scissor;
+        r.l = scissor->left;
+        r.t = scissor->top;
+        r.r = scissor->right;
+        r.b = scissor->bottom;
+        next = iterate; 
+    }
+private:
+    static int iterate(copybit_region_t const * self, copybit_rect_t* rect) {
+        *rect = static_cast<clipRectRegion const*>(self)->r;
+        const_cast<copybit_region_t *>(self)->next = iterate_done;
+        return 1;
+    }
+    static int iterate_done(copybit_region_t const *, copybit_rect_t*) {
+        return 0;
+    }
+public:
+    copybit_rect_t r;
+};
+
+static bool supportedCopybitsFormat(int format) {
+    switch (format) {
+    case COPYBIT_FORMAT_RGBA_8888:
+    case COPYBIT_FORMAT_RGBX_8888:
+    case COPYBIT_FORMAT_RGB_888:
+    case COPYBIT_FORMAT_RGB_565:
+    case COPYBIT_FORMAT_BGRA_8888:
+    case COPYBIT_FORMAT_RGBA_5551:
+    case COPYBIT_FORMAT_RGBA_4444:
+    case COPYBIT_FORMAT_YCbCr_422_SP:
+    case COPYBIT_FORMAT_YCbCr_420_SP:
+        return true;
+    default:
+        return false;
+    }
+}
+
+static bool hasAlpha(int format) {
+    switch (format) {
+    case COPYBIT_FORMAT_RGBA_8888:
+    case COPYBIT_FORMAT_BGRA_8888:
+    case COPYBIT_FORMAT_RGBA_5551:
+    case COPYBIT_FORMAT_RGBA_4444:
+        return true;
+    default:
+        return false;
+    }
+}
+
+static inline int fixedToByte(GGLfixed val) {
+    return (val - (val >> 8)) >> 8;
+}
+
+/**
+ * Performs a quick check of the rendering state. If this function returns
+ * false we cannot use the copybit driver.
+ */
+
+static bool checkContext(ogles_context_t* c) {
+
+	// By convention copybitQuickCheckContext() has already returned true.
+	// avoid checking the same information again.
+	
+    if (c->copybits.blitEngine == NULL) {
+        LOGD_IF(DEBUG_COPYBIT, "no copybit hal");
+        return false;
+    }
+
+    if (c->rasterizer.state.enables
+                    & (GGL_ENABLE_DEPTH_TEST|GGL_ENABLE_FOG)) {
+        LOGD_IF(DEBUG_COPYBIT, "depth test and/or fog");
+        return false;
+    }
+
+    // Note: The drawSurfaceBuffer is only set for destination
+    // surfaces types that are supported by the hardware and
+    // do not have an alpha channel. So we don't have to re-check that here.
+
+    static const int tmu = 0;
+    texture_unit_t& u(c->textures.tmu[tmu]);
+    EGLTextureObject* textureObject = u.texture;
+
+    if (!supportedCopybitsFormat(textureObject->surface.format)) {
+        LOGD_IF(DEBUG_COPYBIT, "texture format not supported");
+        return false;
+    }
+    return true;
+}
+
+
+static bool copybit(GLint x, GLint y,
+        GLint w, GLint h,
+        EGLTextureObject* textureObject,
+        const GLint* crop_rect,
+        int transform,
+        ogles_context_t* c)
+{
+    status_t err = NO_ERROR;
+
+    // We assume checkContext has already been called and has already
+    // returned true.
+
+    const GGLSurface& cbSurface = c->rasterizer.state.buffers.color.s;
+
+    y = cbSurface.height - (y + h);
+
+    const GLint Ucr = crop_rect[0];
+    const GLint Vcr = crop_rect[1];
+    const GLint Wcr = crop_rect[2];
+    const GLint Hcr = crop_rect[3];
+
+    GLint screen_w = w;
+    GLint screen_h = h;
+    int32_t dsdx = Wcr << 16;   // dsdx =  ((Wcr/screen_w)/Wt)*Wt
+    int32_t dtdy = Hcr << 16;   // dtdy = -((Hcr/screen_h)/Ht)*Ht
+    if (transform & COPYBIT_TRANSFORM_ROT_90) {
+        swap(screen_w, screen_h);
+    }
+    if (dsdx!=screen_w || dtdy!=screen_h) {
+        // in most cases the divide is not needed
+        dsdx /= screen_w;
+        dtdy /= screen_h;
+    }
+    dtdy = -dtdy; // see equation of dtdy above
+
+    // copybit doesn't say anything about filtering, so we can't
+    // discriminate. On msm7k, copybit will always filter.
+    // the code below handles min/mag filters, we keep it as a reference.
+    
+#ifdef MIN_MAG_FILTER
+    int32_t texelArea = gglMulx(dtdy, dsdx);
+    if (texelArea < FIXED_ONE && textureObject->mag_filter != GL_LINEAR) {
+        // Non-linear filtering on a texture enlargement.
+        LOGD_IF(DEBUG_COPYBIT, "mag filter is not GL_LINEAR");
+        return false;
+    }
+    if (texelArea > FIXED_ONE && textureObject->min_filter != GL_LINEAR) {
+        // Non-linear filtering on an texture shrink.
+        LOGD_IF(DEBUG_COPYBIT, "min filter is not GL_LINEAR");
+        return false;
+    }
+#endif
+    
+    const uint32_t enables = c->rasterizer.state.enables;
+    int planeAlpha = 255;
+    bool alphaPlaneWorkaround = false;
+    static const int tmu = 0;
+    texture_t& tev(c->rasterizer.state.texture[tmu]);
+    int32_t opFormat = textureObject->surface.format;
+    const bool srcTextureHasAlpha = hasAlpha(opFormat);
+    if (!srcTextureHasAlpha) {
+        planeAlpha = fixedToByte(c->currentColorClamped.a);
+    }
+
+    const bool cbHasAlpha = hasAlpha(cbSurface.format);
+    bool blending = false;
+    if ((enables & GGL_ENABLE_BLENDING)
+            && !(c->rasterizer.state.blend.src == GL_ONE
+                    && c->rasterizer.state.blend.dst == GL_ZERO)) {
+        // Blending is OK if it is
+        // the exact kind of blending that the copybits hardware supports.
+        // Note: The hardware only supports
+        // GL_SRC_ALPHA / GL_ONE_MINUS_SRC_ALPHA,
+        // But the surface flinger uses GL_ONE / GL_ONE_MINUS_SRC_ALPHA.
+        // We substitute GL_SRC_ALPHA / GL_ONE_MINUS_SRC_ALPHA in that case,
+        // because the performance is worth it, even if the results are
+        // not correct.
+        if (!((c->rasterizer.state.blend.src == GL_SRC_ALPHA
+                || c->rasterizer.state.blend.src == GL_ONE)
+                && c->rasterizer.state.blend.dst == GL_ONE_MINUS_SRC_ALPHA
+                && c->rasterizer.state.blend.alpha_separate == 0)) {
+            // Incompatible blend mode.
+            LOGD_IF(DEBUG_COPYBIT, "incompatible blend mode");
+            return false;
+        }
+        blending = true;
+    } else {
+        if (cbHasAlpha) {
+            // NOTE: the result will be slightly wrong in this case because
+            // the destination alpha channel will be set to 1.0 instead of
+            // the iterated alpha value. *shrug*.
+        }
+        // disable plane blending and src blending for supported formats
+        planeAlpha = 255;
+        if (opFormat == COPYBIT_FORMAT_RGBA_8888) {
+            opFormat = COPYBIT_FORMAT_RGBX_8888;
+        } else {
+            if (srcTextureHasAlpha) {
+                LOGD_IF(DEBUG_COPYBIT, "texture format requires blending");
+                return false;
+            }
+        }
+    }
+
+    switch (tev.env) {
+    case GGL_REPLACE:
+        break;
+    case GGL_MODULATE:
+        // only cases allowed is:
+        // RGB  source, color={1,1,1,a} -> can be done with GL_REPLACE
+        // RGBA source, color={1,1,1,1} -> can be done with GL_REPLACE
+        if (blending) {
+            if (c->currentColorClamped.r == c->currentColorClamped.a &&
+                c->currentColorClamped.g == c->currentColorClamped.a &&
+                c->currentColorClamped.b == c->currentColorClamped.a) {
+                // TODO: RGBA source, color={1,1,1,a} / regular-blending
+                // is equivalent
+                alphaPlaneWorkaround = true;
+                break;
+            }
+        }
+        LOGD_IF(DEBUG_COPYBIT, "GGL_MODULATE");
+        return false;
+    default:
+        // Incompatible texture environment.
+        LOGD_IF(DEBUG_COPYBIT, "incompatible texture environment");
+        return false;
+    }
+
+    copybit_device_t* copybit = c->copybits.blitEngine;
+    copybit_image_t src;
+    textureToCopyBitImage(&textureObject->surface, opFormat,
+            textureObject->buffer, &src);
+    copybit_rect_t srect = { Ucr, Vcr + Hcr, Ucr + Wcr, Vcr };
+
+    /*
+     *  Below we perform extra passes needed to emulate things the h/w
+     * cannot do.
+     */
+
+    const GLfixed minScaleInv = gglDivQ(0x10000, c->copybits.minScale, 16);
+    const GLfixed maxScaleInv = gglDivQ(0x10000, c->copybits.maxScale, 16);
+
+    sp<GraphicBuffer> tempBitmap;
+
+    if (dsdx < maxScaleInv || dsdx > minScaleInv ||
+        dtdy < maxScaleInv || dtdy > minScaleInv)
+    {
+        // The requested scale is out of the range the hardware
+        // can support.
+        LOGD_IF(DEBUG_COPYBIT,
+                "scale out of range dsdx=%08x (Wcr=%d / w=%d), "
+                "dtdy=%08x (Hcr=%d / h=%d), Ucr=%d, Vcr=%d",
+                dsdx, Wcr, w, dtdy, Hcr, h, Ucr, Vcr);
+
+        int32_t xscale=0x10000, yscale=0x10000;
+        if (dsdx > minScaleInv)         xscale = c->copybits.minScale;
+        else if (dsdx < maxScaleInv)    xscale = c->copybits.maxScale;
+        if (dtdy > minScaleInv)         yscale = c->copybits.minScale;
+        else if (dtdy < maxScaleInv)    yscale = c->copybits.maxScale;
+        dsdx = gglMulx(dsdx, xscale);
+        dtdy = gglMulx(dtdy, yscale);
+
+        /* we handle only one step of resizing below. Handling an arbitrary
+         * number is relatively easy (replace "if" above by "while"), but requires
+         * two intermediate buffers and so far we never had the need.
+         */
+
+        if (dsdx < maxScaleInv || dsdx > minScaleInv ||
+            dtdy < maxScaleInv || dtdy > minScaleInv) {
+            LOGD_IF(DEBUG_COPYBIT,
+                    "scale out of range dsdx=%08x (Wcr=%d / w=%d), "
+                    "dtdy=%08x (Hcr=%d / h=%d), Ucr=%d, Vcr=%d",
+                    dsdx, Wcr, w, dtdy, Hcr, h, Ucr, Vcr);
+            return false;
+        }
+
+        const int tmp_w = gglMulx(srect.r - srect.l, xscale, 16);
+        const int tmp_h = gglMulx(srect.b - srect.t, yscale, 16);
+
+        LOGD_IF(DEBUG_COPYBIT,
+                "xscale=%08x, yscale=%08x, dsdx=%08x, dtdy=%08x, tmp_w=%d, tmp_h=%d",
+                xscale, yscale, dsdx, dtdy, tmp_w, tmp_h);
+
+        tempBitmap = new GraphicBuffer(
+                    tmp_w, tmp_h, src.format,
+                    GraphicBuffer::USAGE_HW_2D);
+
+        err = tempBitmap->initCheck();
+        if (err == NO_ERROR) {
+            copybit_image_t tmp_dst;
+            copybit_rect_t tmp_rect;
+            tmp_dst.w = tmp_w;
+            tmp_dst.h = tmp_h;
+            tmp_dst.format = tempBitmap->format;
+            tmp_dst.handle = (native_handle_t*)tempBitmap->getNativeBuffer()->handle;
+            tmp_rect.l = 0;
+            tmp_rect.t = 0;
+            tmp_rect.r = tmp_dst.w;
+            tmp_rect.b = tmp_dst.h;
+            region_iterator tmp_it(Region(Rect(tmp_rect.r, tmp_rect.b)));
+            copybit->set_parameter(copybit, COPYBIT_TRANSFORM, 0);
+            copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, 0xFF);
+            copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_DISABLE);
+            err = copybit->stretch(copybit,
+                    &tmp_dst, &src, &tmp_rect, &srect, &tmp_it);
+            src = tmp_dst;
+            srect = tmp_rect;
+        }
+    }
+
+    copybit_image_t dst;
+    textureToCopyBitImage(&cbSurface, cbSurface.format,
+            c->copybits.drawSurfaceBuffer, &dst);
+    copybit_rect_t drect = {x, y, x+w, y+h};
+
+
+    /* and now the alpha-plane hack. This handles the "Fade" case of a
+     * texture with an alpha channel.
+     */
+    if (alphaPlaneWorkaround) {
+        sp<GraphicBuffer> tempCb = new GraphicBuffer(
+                    w, h, COPYBIT_FORMAT_RGB_565,
+                    GraphicBuffer::USAGE_HW_2D);
+
+        err = tempCb->initCheck();
+
+        copybit_image_t tmpCbImg;
+        copybit_rect_t tmpCbRect;
+        copybit_rect_t tmpdrect = drect;
+        tmpCbImg.w = w;
+        tmpCbImg.h = h;
+        tmpCbImg.format = tempCb->format;
+        tmpCbImg.handle = (native_handle_t*)tempCb->getNativeBuffer()->handle;
+        tmpCbRect.l = 0;
+        tmpCbRect.t = 0;
+
+        if (drect.l < 0) {
+            tmpCbRect.l = -tmpdrect.l;
+            tmpdrect.l = 0;
+        }
+        if (drect.t < 0) {
+            tmpCbRect.t = -tmpdrect.t;
+            tmpdrect.t = 0;
+        }
+        if (drect.l + tmpCbImg.w > dst.w) {
+            tmpCbImg.w = dst.w - drect.l;
+            tmpdrect.r = dst.w;
+        }
+        if (drect.t + tmpCbImg.h > dst.h) {
+            tmpCbImg.h = dst.h - drect.t;
+            tmpdrect.b = dst.h;
+        }
+
+        tmpCbRect.r = tmpCbImg.w;
+        tmpCbRect.b = tmpCbImg.h;
+
+        if (!err) {
+            // first make a copy of the destination buffer
+            region_iterator tmp_it(Region(Rect(w, h)));
+            copybit->set_parameter(copybit, COPYBIT_TRANSFORM, 0);
+            copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, 0xFF);
+            copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_DISABLE);
+            err = copybit->stretch(copybit,
+                    &tmpCbImg, &dst, &tmpCbRect, &tmpdrect, &tmp_it);
+        }
+        if (!err) {
+            // then proceed as usual, but without the alpha plane
+            copybit->set_parameter(copybit, COPYBIT_TRANSFORM, transform);
+            copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, 0xFF);
+            copybit->set_parameter(copybit, COPYBIT_DITHER,
+                    (enables & GGL_ENABLE_DITHER) ?
+                            COPYBIT_ENABLE : COPYBIT_DISABLE);
+            clipRectRegion it(c);
+            err = copybit->stretch(copybit, &dst, &src, &drect, &srect, &it);
+        }
+        if (!err) {
+            // finally copy back the destination on top with 1-alphaplane
+            int invPlaneAlpha = 0xFF - fixedToByte(c->currentColorClamped.a);
+            clipRectRegion it(c);
+            copybit->set_parameter(copybit, COPYBIT_TRANSFORM, 0);
+            copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, invPlaneAlpha);
+            copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_ENABLE);
+            err = copybit->stretch(copybit,
+                    &dst, &tmpCbImg, &tmpdrect, &tmpCbRect, &it);
+        }
+    } else {
+        copybit->set_parameter(copybit, COPYBIT_TRANSFORM, transform);
+        copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, planeAlpha);
+        copybit->set_parameter(copybit, COPYBIT_DITHER,
+                (enables & GGL_ENABLE_DITHER) ?
+                        COPYBIT_ENABLE : COPYBIT_DISABLE);
+        clipRectRegion it(c);
+
+        LOGD_IF(0,
+             "dst={%d, %d, %d, %p, %p}, "
+             "src={%d, %d, %d, %p, %p}, "
+             "drect={%d,%d,%d,%d}, "
+             "srect={%d,%d,%d,%d}, "
+             "it={%d,%d,%d,%d}, " ,
+             dst.w, dst.h, dst.format, dst.base, dst.handle,
+             src.w, src.h, src.format, src.base, src.handle,
+             drect.l, drect.t, drect.r, drect.b,
+             srect.l, srect.t, srect.r, srect.b,
+             it.r.l, it.r.t, it.r.r, it.r.b
+        );
+
+        err = copybit->stretch(copybit, &dst, &src, &drect, &srect, &it);
+    }
+    if (err != NO_ERROR) {
+        c->textures.tmu[0].texture->try_copybit = false;
+    }
+    return err == NO_ERROR ? true : false;
+}
+
+/*
+ * Try to draw a triangle fan with copybit, return false if we fail.
+ */
+bool drawTriangleFanWithCopybit_impl(ogles_context_t* c, GLint first, GLsizei count)
+{
+    if (!checkContext(c)) {
+        return false;
+    }
+
+    // FIXME: we should handle culling  here
+    c->arrays.compileElements(c, c->vc.vBuffer, 0, 4);
+
+    // we detect if we're dealing with a rectangle, by comparing the
+    // rectangles {v0,v2} and {v1,v3} which should be identical.
+    
+    // NOTE: we should check that the rectangle is window aligned, however
+    // if we do that, the optimization won't be taken in a lot of cases.
+    // Since this code is intended to be used with SurfaceFlinger only,
+    // so it's okay...
+    
+    const vec4_t& v0 = c->vc.vBuffer[0].window;
+    const vec4_t& v1 = c->vc.vBuffer[1].window;
+    const vec4_t& v2 = c->vc.vBuffer[2].window;
+    const vec4_t& v3 = c->vc.vBuffer[3].window;
+    int l = min(v0.x, v2.x);
+    int b = min(v0.y, v2.y);
+    int r = max(v0.x, v2.x);
+    int t = max(v0.y, v2.y);
+    if ((l != min(v1.x, v3.x)) || (b != min(v1.y, v3.y)) ||
+        (r != max(v1.x, v3.x)) || (t != max(v1.y, v3.y))) {
+        LOGD_IF(DEBUG_COPYBIT, "geometry not a rectangle");
+        return false;
+    }
+
+    // fetch and transform texture coordinates
+    // NOTE: maybe it would be better to have a "compileElementsAll" method
+    // that would ensure all vertex data are fetched and transformed
+    const transform_t& tr = c->transforms.texture[0].transform; 
+    for (size_t i=0 ; i<4 ; i++) {
+        const GLubyte* tp = c->arrays.texture[0].element(i);
+        vertex_t* const v = &c->vc.vBuffer[i];
+        c->arrays.texture[0].fetch(c, v->texture[0].v, tp);
+        // FIXME: we should bail if q!=1
+        c->arrays.tex_transform[0](&tr, &v->texture[0], &v->texture[0]);
+    }
+    
+    const vec4_t& t0 = c->vc.vBuffer[0].texture[0];
+    const vec4_t& t1 = c->vc.vBuffer[1].texture[0];
+    const vec4_t& t2 = c->vc.vBuffer[2].texture[0];
+    const vec4_t& t3 = c->vc.vBuffer[3].texture[0];
+    int txl = min(t0.x, t2.x);
+    int txb = min(t0.y, t2.y);
+    int txr = max(t0.x, t2.x);
+    int txt = max(t0.y, t2.y);
+    if ((txl != min(t1.x, t3.x)) || (txb != min(t1.y, t3.y)) ||
+        (txr != max(t1.x, t3.x)) || (txt != max(t1.y, t3.y))) {
+        LOGD_IF(DEBUG_COPYBIT, "texcoord not a rectangle");
+        return false;
+    }
+    if ((txl != 0) || (txb != 0) ||
+        (txr != FIXED_ONE) || (txt != FIXED_ONE)) {
+        // we could probably handle this case, if we wanted to
+        LOGD_IF(DEBUG_COPYBIT, "texture is cropped: %08x,%08x,%08x,%08x",
+                txl, txb, txr, txt);
+        return false;
+    }
+
+    // at this point, we know we are dealing with a rectangle, so we 
+    // only need to consider 3 vertices for computing the jacobians
+    
+    const int dx01 = v1.x - v0.x;
+    const int dx02 = v2.x - v0.x;
+    const int dy01 = v1.y - v0.y;
+    const int dy02 = v2.y - v0.y;
+    const int ds01 = t1.S - t0.S;
+    const int ds02 = t2.S - t0.S;
+    const int dt01 = t1.T - t0.T;
+    const int dt02 = t2.T - t0.T;
+    const int area = dx01*dy02 - dy01*dx02;
+    int dsdx, dsdy, dtdx, dtdy;
+    if (area >= 0) {
+        dsdx = ds01*dy02 - ds02*dy01;
+        dtdx = dt01*dy02 - dt02*dy01;
+        dsdy = ds02*dx01 - ds01*dx02;
+        dtdy = dt02*dx01 - dt01*dx02;
+    } else {
+        dsdx = ds02*dy01 - ds01*dy02;
+        dtdx = dt02*dy01 - dt01*dy02;
+        dsdy = ds01*dx02 - ds02*dx01;
+        dtdy = dt01*dx02 - dt02*dx01;
+    }
+
+    // here we rely on the fact that we know the transform is
+    // a rigid-body transform AND that it can only rotate in 90 degrees
+    // increments
+
+    int transform = 0;
+    if (dsdx == 0) {
+        // 90 deg rotation case
+        // [ 0    dtdx  ]
+        // [ dsdx    0  ]
+        transform |= COPYBIT_TRANSFORM_ROT_90;
+        // FIXME: not sure if FLIP_H and FLIP_V shouldn't be inverted
+        if (dtdx > 0)
+            transform |= COPYBIT_TRANSFORM_FLIP_H;
+        if (dsdy < 0)
+            transform |= COPYBIT_TRANSFORM_FLIP_V;
+    } else {
+        // [ dsdx    0  ]
+        // [ 0     dtdy ]
+        if (dsdx < 0)
+            transform |= COPYBIT_TRANSFORM_FLIP_H;
+        if (dtdy < 0)
+            transform |= COPYBIT_TRANSFORM_FLIP_V;
+    }
+
+    //LOGD("l=%d, b=%d, w=%d, h=%d, tr=%d", x, y, w, h, transform);
+    //LOGD("A=%f\tB=%f\nC=%f\tD=%f",
+    //      dsdx/65536.0, dtdx/65536.0, dsdy/65536.0, dtdy/65536.0);
+
+    int x = l >> 4;
+    int y = b >> 4;
+    int w = (r-l) >> 4;
+    int h = (t-b) >> 4;
+    texture_unit_t& u(c->textures.tmu[0]);
+    EGLTextureObject* textureObject = u.texture;
+    GLint tWidth = textureObject->surface.width;
+    GLint tHeight = textureObject->surface.height;
+    GLint crop_rect[4] = {0, tHeight, tWidth, -tHeight};
+    const GGLSurface& cbSurface = c->rasterizer.state.buffers.color.s;
+    y = cbSurface.height - (y + h);
+    return copybit(x, y, w, h, textureObject, crop_rect, transform, c);
+}
+
+/*
+ * Try to drawTexiOESWithCopybit, return false if we fail.
+ */
+
+bool drawTexiOESWithCopybit_impl(GLint x, GLint y, GLint z,
+        GLint w, GLint h, ogles_context_t* c)
+{
+    // quickly process empty rects
+    if ((w|h) <= 0) {
+        return true;
+    }
+    if (!checkContext(c)) {
+        return false;
+    }
+    texture_unit_t& u(c->textures.tmu[0]);
+    EGLTextureObject* textureObject = u.texture;
+    return copybit(x, y, w, h, textureObject, textureObject->crop_rect, 0, c);
+}
+
+} // namespace android
+
diff --git a/opengl/libagl/copybit.h b/opengl/libagl/copybit.h
new file mode 100644
index 0000000..b8b5afd
--- /dev/null
+++ b/opengl/libagl/copybit.h
@@ -0,0 +1,75 @@
+/*
+**
+** Copyright 2009, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+#ifndef ANDROID_OPENGLES_COPYBIT_H
+#define ANDROID_OPENGLES_COPYBIT_H
+
+#include <stdlib.h>
+
+#include <GLES/gl.h>
+
+#include "TextureObjectManager.h"
+namespace android {
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+
+bool drawTexiOESWithCopybit_impl(GLint x, GLint y, GLint z,
+        GLint w, GLint h, ogles_context_t* c);
+
+bool drawTriangleFanWithCopybit_impl(ogles_context_t* c, GLint first,
+        GLsizei count);
+
+inline bool copybitQuickCheckContext(ogles_context_t* c) {
+        return  c->copybits.drawSurfaceBuffer != 0
+            && c->rasterizer.state.enabled_tmu == 1
+            && c->textures.tmu[0].texture->try_copybit;
+}
+
+/*
+ * Tries to draw a drawTexiOES using copybit hardware.
+ * Returns true if successful.
+ */
+inline bool drawTexiOESWithCopybit(GLint x, GLint y, GLint z,
+        GLint w, GLint h, ogles_context_t* c) {
+    if (!copybitQuickCheckContext(c)) {
+    	return false;
+   	}
+   	
+   	return drawTexiOESWithCopybit_impl(x, y, z, w, h, c);
+}
+
+/*
+ * Tries to draw a triangle fan using copybit hardware.
+ * Returns true if successful.
+ */
+inline bool drawTriangleFanWithCopybit(ogles_context_t* c, GLint first,
+        GLsizei count) {
+    /*
+     * We are looking for the glDrawArrays call made by SurfaceFlinger.
+     */
+
+    if ((count!=4) || first || !copybitQuickCheckContext(c))
+        return false;
+    
+    return drawTriangleFanWithCopybit_impl(c, first, count);
+}
+
+
+#endif // LIBAGL_USE_GRALLOC_COPYBITS
+
+} // namespace android
+
+#endif // ANDROID_OPENGLES_COPYBIT_H
diff --git a/opengl/libagl/egl.cpp b/opengl/libagl/egl.cpp
index 4461567..673c174 100644
--- a/opengl/libagl/egl.cpp
+++ b/opengl/libagl/egl.cpp
@@ -15,8 +15,6 @@
 ** limitations under the License.
 */
 
-#define LOG_TAG "EGL"
-
 #include <assert.h>
 #include <errno.h>
 #include <stdlib.h>
@@ -41,6 +39,11 @@
 #include <pixelflinger/format.h>
 #include <pixelflinger/pixelflinger.h>
 
+#include <private/ui/android_natives_priv.h>
+#include <private/ui/sw_gralloc_handle.h>
+
+#include <hardware/copybit.h>
+
 #include "context.h"
 #include "state.h"
 #include "texture.h"
@@ -89,9 +92,9 @@
 struct egl_display_t
 {
     egl_display_t() : type(0), initialized(0) { }
-    
+
     static egl_display_t& get_display(EGLDisplay dpy);
-    
+
     static EGLBoolean is_valid(EGLDisplay dpy) {
         return ((uintptr_t(dpy)-1U) >= NUM_DISPLAYS) ? EGL_FALSE : EGL_TRUE;
     }
@@ -139,19 +142,23 @@
 
                 egl_surface_t(EGLDisplay dpy, EGLConfig config, int32_t depthFormat);
     virtual     ~egl_surface_t();
-    virtual     bool    isValid() const = 0;
-    
+                bool    isValid() const;
+    virtual     bool    initCheck() const = 0;
+
     virtual     EGLBoolean  bindDrawSurface(ogles_context_t* gl) = 0;
     virtual     EGLBoolean  bindReadSurface(ogles_context_t* gl) = 0;
+    virtual     EGLBoolean  connect() { return EGL_TRUE; }
+    virtual     void        disconnect() {}
     virtual     EGLint      getWidth() const = 0;
     virtual     EGLint      getHeight() const = 0;
-    virtual     void*       getBits() const = 0;
 
     virtual     EGLint      getHorizontalResolution() const;
     virtual     EGLint      getVerticalResolution() const;
     virtual     EGLint      getRefreshRate() const;
     virtual     EGLint      getSwapBehavior() const;
     virtual     EGLBoolean  swapBuffers();
+    virtual     EGLBoolean  setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h);
+    virtual     EGLClientBuffer getRenderBuffer() const;
 protected:
     GGLSurface              depth;
 };
@@ -170,6 +177,11 @@
     magic = 0;
     free(depth.data);
 }
+bool egl_surface_t::isValid() const {
+    LOGE_IF(magic != MAGIC, "invalid EGLSurface (%p)", this);
+    return magic == MAGIC; 
+}
+
 EGLBoolean egl_surface_t::swapBuffers() {
     return EGL_FALSE;
 }
@@ -185,119 +197,519 @@
 EGLint egl_surface_t::getSwapBehavior() const {
     return EGL_BUFFER_PRESERVED;
 }
+EGLBoolean egl_surface_t::setSwapRectangle(
+        EGLint l, EGLint t, EGLint w, EGLint h)
+{
+    return EGL_FALSE;
+}
+EGLClientBuffer egl_surface_t::getRenderBuffer() const {
+    return 0;
+}
 
 // ----------------------------------------------------------------------------
 
-struct egl_window_surface_t : public egl_surface_t
+struct egl_window_surface_v2_t : public egl_surface_t
 {
-    egl_window_surface_t(
+    egl_window_surface_v2_t(
             EGLDisplay dpy, EGLConfig config,
             int32_t depthFormat,
-            egl_native_window_t* window);
+            android_native_window_t* window);
 
-     ~egl_window_surface_t();
+    ~egl_window_surface_v2_t();
 
-    virtual     bool        isValid() const { return nativeWindow->magic == 0x600913; }    
+    virtual     bool        initCheck() const { return true; } // TODO: report failure if ctor fails
     virtual     EGLBoolean  swapBuffers();
     virtual     EGLBoolean  bindDrawSurface(ogles_context_t* gl);
     virtual     EGLBoolean  bindReadSurface(ogles_context_t* gl);
-    virtual     EGLint      getWidth() const    { return nativeWindow->width;  }
-    virtual     EGLint      getHeight() const   { return nativeWindow->height; }
-    virtual     void*       getBits() const;
+    virtual     EGLBoolean  connect();
+    virtual     void        disconnect();
+    virtual     EGLint      getWidth() const    { return width;  }
+    virtual     EGLint      getHeight() const   { return height; }
     virtual     EGLint      getHorizontalResolution() const;
     virtual     EGLint      getVerticalResolution() const;
     virtual     EGLint      getRefreshRate() const;
     virtual     EGLint      getSwapBehavior() const;
+    virtual     EGLBoolean  setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h);
+    virtual     EGLClientBuffer  getRenderBuffer() const;
+    
 private:
-    egl_native_window_t*    nativeWindow;
+    status_t lock(android_native_buffer_t* buf, int usage, void** vaddr);
+    status_t unlock(android_native_buffer_t* buf);
+    android_native_window_t*   nativeWindow;
+    android_native_buffer_t*   buffer;
+    android_native_buffer_t*   previousBuffer;
+    gralloc_module_t const*    module;
+    copybit_device_t*          blitengine;
+    int width;
+    int height;
+    void* bits;
+    GGLFormat const* pixelFormatTable;
+    
+    struct Rect {
+        inline Rect() { };
+        inline Rect(int32_t w, int32_t h)
+            : left(0), top(0), right(w), bottom(h) { }
+        inline Rect(int32_t l, int32_t t, int32_t r, int32_t b)
+            : left(l), top(t), right(r), bottom(b) { }
+        Rect& andSelf(const Rect& r) {
+            left   = max(left, r.left);
+            top    = max(top, r.top);
+            right  = min(right, r.right);
+            bottom = min(bottom, r.bottom);
+            return *this;
+        }
+        bool isEmpty() const {
+            return (left>=right || top>=bottom);
+        }
+        void dump(char const* what) {
+            LOGD("%s { %5d, %5d, w=%5d, h=%5d }", 
+                    what, left, top, right-left, bottom-top);
+        }
+        
+        int32_t left;
+        int32_t top;
+        int32_t right;
+        int32_t bottom;
+    };
+
+    struct Region {
+        inline Region() : count(0) { }
+        typedef Rect const* const_iterator;
+        const_iterator begin() const { return storage; }
+        const_iterator end() const { return storage+count; }
+        static Region subtract(const Rect& lhs, const Rect& rhs) {
+            Region reg;
+            Rect* storage = reg.storage;
+            if (!lhs.isEmpty()) {
+                if (lhs.top < rhs.top) { // top rect
+                    storage->left   = lhs.left;
+                    storage->top    = lhs.top;
+                    storage->right  = lhs.right;
+                    storage->bottom = rhs.top;
+                    storage++;
+                }
+                const int32_t top = max(lhs.top, rhs.top);
+                const int32_t bot = min(lhs.bottom, rhs.bottom);
+                if (top < bot) {
+                    if (lhs.left < rhs.left) { // left-side rect
+                        storage->left   = lhs.left;
+                        storage->top    = top;
+                        storage->right  = rhs.left;
+                        storage->bottom = bot;
+                        storage++;
+                    }
+                    if (lhs.right > rhs.right) { // right-side rect
+                        storage->left   = rhs.right;
+                        storage->top    = top;
+                        storage->right  = lhs.right;
+                        storage->bottom = bot;
+                        storage++;
+                    }
+                }
+                if (lhs.bottom > rhs.bottom) { // bottom rect
+                    storage->left   = lhs.left;
+                    storage->top    = rhs.bottom;
+                    storage->right  = lhs.right;
+                    storage->bottom = lhs.bottom;
+                    storage++;
+                }
+                reg.count = storage - reg.storage;
+            }
+            return reg;
+        }
+        bool isEmpty() const {
+            return count<=0;
+        }
+    private:
+        Rect storage[4];
+        ssize_t count;
+    };
+    
+    struct region_iterator : public copybit_region_t {
+        region_iterator(const Region& region)
+            : b(region.begin()), e(region.end()) {
+            this->next = iterate;
+        }
+    private:
+        static int iterate(copybit_region_t const * self, copybit_rect_t* rect) {
+            region_iterator const* me = static_cast<region_iterator const*>(self);
+            if (me->b != me->e) {
+                *reinterpret_cast<Rect*>(rect) = *me->b++;
+                return 1;
+            }
+            return 0;
+        }
+        mutable Region::const_iterator b;
+        Region::const_iterator const e;
+    };
+
+    void copyBlt(
+            android_native_buffer_t* dst, void* dst_vaddr,
+            android_native_buffer_t* src, void const* src_vaddr,
+            const Region& clip);
+
+    Rect dirtyRegion;
+    Rect oldDirtyRegion;
 };
 
-egl_window_surface_t::egl_window_surface_t(EGLDisplay dpy,
+egl_window_surface_v2_t::egl_window_surface_v2_t(EGLDisplay dpy,
         EGLConfig config,
         int32_t depthFormat,
-        egl_native_window_t* window)
-    : egl_surface_t(dpy, config, depthFormat), nativeWindow(window)
+        android_native_window_t* window)
+    : egl_surface_t(dpy, config, depthFormat), 
+    nativeWindow(window), buffer(0), previousBuffer(0), module(0),
+    blitengine(0), bits(NULL)
 {
-    if (depthFormat) {
-        depth.width   = window->width;
-        depth.height  = window->height;
+    hw_module_t const* pModule;
+    hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &pModule);
+    module = reinterpret_cast<gralloc_module_t const*>(pModule);
+
+    if (hw_get_module(COPYBIT_HARDWARE_MODULE_ID, &pModule) == 0) {
+        copybit_open(pModule, &blitengine);
+    }
+
+    pixelFormatTable = gglGetPixelFormatTable();
+    
+    // keep a reference on the window
+    nativeWindow->common.incRef(&nativeWindow->common);
+    nativeWindow->query(nativeWindow, NATIVE_WINDOW_WIDTH, &width);
+    nativeWindow->query(nativeWindow, NATIVE_WINDOW_HEIGHT, &height);
+}
+
+egl_window_surface_v2_t::~egl_window_surface_v2_t() {
+    if (buffer) {
+        buffer->common.decRef(&buffer->common);
+    }
+    if (previousBuffer) {
+        previousBuffer->common.decRef(&previousBuffer->common); 
+    }
+    nativeWindow->common.decRef(&nativeWindow->common);
+    if (blitengine) {
+        copybit_close(blitengine);
+    }
+}
+
+EGLBoolean egl_window_surface_v2_t::connect() 
+{
+    // we're intending to do software rendering
+    native_window_set_usage(nativeWindow, 
+            GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN);
+
+    // dequeue a buffer
+    if (nativeWindow->dequeueBuffer(nativeWindow, &buffer) != NO_ERROR) {
+        return setError(EGL_BAD_ALLOC, EGL_FALSE);
+    }
+
+    // allocate a corresponding depth-buffer
+    width = buffer->width;
+    height = buffer->height;
+    if (depth.format) {
+        depth.width   = width;
+        depth.height  = height;
         depth.stride  = depth.width; // use the width here
         depth.data    = (GGLubyte*)malloc(depth.stride*depth.height*2);
         if (depth.data == 0) {
-            setError(EGL_BAD_ALLOC, EGL_NO_SURFACE);
-            return;
+            return setError(EGL_BAD_ALLOC, EGL_FALSE);
         }
     }
-    nativeWindow->incRef(nativeWindow);
-}
-egl_window_surface_t::~egl_window_surface_t() {
-    nativeWindow->decRef(nativeWindow);
+
+    // keep a reference on the buffer
+    buffer->common.incRef(&buffer->common);
+
+    // Lock the buffer
+    nativeWindow->lockBuffer(nativeWindow, buffer);
+    // pin the buffer down
+    if (lock(buffer, GRALLOC_USAGE_SW_READ_OFTEN | 
+            GRALLOC_USAGE_SW_WRITE_OFTEN, &bits) != NO_ERROR) {
+        LOGE("connect() failed to lock buffer %p (%ux%u)",
+                buffer, buffer->width, buffer->height);
+        return setError(EGL_BAD_ACCESS, EGL_FALSE);
+        // FIXME: we should make sure we're not accessing the buffer anymore
+    }
+    return EGL_TRUE;
 }
 
-EGLBoolean egl_window_surface_t::swapBuffers()
+void egl_window_surface_v2_t::disconnect() 
 {
-    uint32_t flags = nativeWindow->swapBuffers(nativeWindow);
-    if (flags & EGL_NATIVES_FLAG_SIZE_CHANGED) {
+    if (buffer && bits) {
+        bits = NULL;
+        unlock(buffer);
+    }
+    // enqueue the last frame
+    nativeWindow->queueBuffer(nativeWindow, buffer);
+    if (buffer) {
+        buffer->common.decRef(&buffer->common);
+        buffer = 0;
+    }
+    if (previousBuffer) {
+        previousBuffer->common.decRef(&previousBuffer->common); 
+        previousBuffer = 0;
+    }
+}
+
+status_t egl_window_surface_v2_t::lock(
+        android_native_buffer_t* buf, int usage, void** vaddr)
+{
+    int err;
+    if (sw_gralloc_handle_t::validate(buf->handle) < 0) {
+        err = module->lock(module, buf->handle,
+                usage, 0, 0, buf->width, buf->height, vaddr);
+    } else {
+        sw_gralloc_handle_t const* hnd =
+                reinterpret_cast<sw_gralloc_handle_t const*>(buf->handle);
+        *vaddr = (void*)hnd->base;
+        err = NO_ERROR;
+    }
+    return err;
+}
+
+status_t egl_window_surface_v2_t::unlock(android_native_buffer_t* buf)
+{
+    if (!buf) return BAD_VALUE;
+    int err = NO_ERROR;
+    if (sw_gralloc_handle_t::validate(buf->handle) < 0) {
+        err = module->unlock(module, buf->handle);
+    }
+    return err;
+}
+
+void egl_window_surface_v2_t::copyBlt(
+        android_native_buffer_t* dst, void* dst_vaddr,
+        android_native_buffer_t* src, void const* src_vaddr,
+        const Region& clip)
+{
+    // FIXME: use copybit if possible
+    // NOTE: dst and src must be the same format
+    
+    status_t err = NO_ERROR;
+    copybit_device_t* const copybit = blitengine;
+    if (copybit)  {
+        copybit_image_t simg;
+        simg.w = src->width;
+        simg.h = src->height;
+        simg.format = src->format;
+        simg.handle = const_cast<native_handle_t*>(src->handle);
+
+        copybit_image_t dimg;
+        dimg.w = dst->width;
+        dimg.h = dst->height;
+        dimg.format = dst->format;
+        dimg.handle = const_cast<native_handle_t*>(dst->handle);
+        
+        copybit->set_parameter(copybit, COPYBIT_TRANSFORM, 0);
+        copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, 255);
+        copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_DISABLE);
+        region_iterator it(clip);
+        err = copybit->blit(copybit, &dimg, &simg, &it);
+        if (err != NO_ERROR) {
+            LOGE("copybit failed (%s)", strerror(err));
+        }
+    }
+
+    if (!copybit || err) {
+        Region::const_iterator cur = clip.begin();
+        Region::const_iterator end = clip.end();
+        
+        const size_t bpp = pixelFormatTable[src->format].size;
+        const size_t dbpr = dst->stride * bpp;
+        const size_t sbpr = src->stride * bpp;
+
+        uint8_t const * const src_bits = (uint8_t const *)src_vaddr;
+        uint8_t       * const dst_bits = (uint8_t       *)dst_vaddr;
+
+        while (cur != end) {
+            const Rect& r(*cur++);
+            ssize_t w = r.right - r.left;
+            ssize_t h = r.bottom - r.top;
+            if (w <= 0 || h<=0) continue;
+            size_t size = w * bpp;
+            uint8_t const * s = src_bits + (r.left + src->stride * r.top) * bpp;
+            uint8_t       * d = dst_bits + (r.left + dst->stride * r.top) * bpp;
+            if (dbpr==sbpr && size==sbpr) {
+                size *= h;
+                h = 1;
+            }
+            do {
+                memcpy(d, s, size);
+                d += dbpr;
+                s += sbpr;
+            } while (--h > 0);
+        }
+    }
+}
+
+EGLBoolean egl_window_surface_v2_t::swapBuffers()
+{
+    if (!buffer) {
+        return setError(EGL_BAD_ACCESS, EGL_FALSE);
+    }
+    
+    /*
+     * Handle eglSetSwapRectangleANDROID()
+     * We copyback from the front buffer 
+     */
+    if (!dirtyRegion.isEmpty()) {
+        dirtyRegion.andSelf(Rect(buffer->width, buffer->height));
+        if (previousBuffer) {
+            const Region copyBack(Region::subtract(oldDirtyRegion, dirtyRegion));
+            if (!copyBack.isEmpty()) {
+                void* prevBits;
+                if (lock(previousBuffer, 
+                        GRALLOC_USAGE_SW_READ_OFTEN, &prevBits) == NO_ERROR) {
+                    // copy from previousBuffer to buffer
+                    copyBlt(buffer, bits, previousBuffer, prevBits, copyBack);
+                    unlock(previousBuffer);
+                }
+            }
+        }
+        oldDirtyRegion = dirtyRegion;
+    }
+
+    if (previousBuffer) {
+        previousBuffer->common.decRef(&previousBuffer->common); 
+        previousBuffer = 0;
+    }
+    
+    unlock(buffer);
+    previousBuffer = buffer;
+    nativeWindow->queueBuffer(nativeWindow, buffer);
+    buffer = 0;
+
+    // dequeue a new buffer
+    nativeWindow->dequeueBuffer(nativeWindow, &buffer);
+    
+    // TODO: lockBuffer should rather be executed when the very first
+    // direct rendering occurs.
+    nativeWindow->lockBuffer(nativeWindow, buffer);
+    
+    // reallocate the depth-buffer if needed
+    if ((width != buffer->width) || (height != buffer->height)) {
         // TODO: we probably should reset the swap rect here
         // if the window size has changed
+        width = buffer->width;
+        height = buffer->height;
         if (depth.data) {
             free(depth.data);
-            depth.width   = nativeWindow->width;
-            depth.height  = nativeWindow->height;
-            depth.stride  = nativeWindow->stride;
+            depth.width   = width;
+            depth.height  = height;
+            depth.stride  = buffer->stride;
             depth.data    = (GGLubyte*)malloc(depth.stride*depth.height*2);
             if (depth.data == 0) {
-                setError(EGL_BAD_ALLOC, EGL_NO_SURFACE);
+                setError(EGL_BAD_ALLOC, EGL_FALSE);
                 return EGL_FALSE;
             }
         }
     }
+    
+    // keep a reference on the buffer
+    buffer->common.incRef(&buffer->common);
+
+    // finally pin the buffer down
+    if (lock(buffer, GRALLOC_USAGE_SW_READ_OFTEN | 
+            GRALLOC_USAGE_SW_WRITE_OFTEN, &bits) != NO_ERROR) {
+        LOGE("eglSwapBuffers() failed to lock buffer %p (%ux%u)",
+                buffer, buffer->width, buffer->height);
+        return setError(EGL_BAD_ACCESS, EGL_FALSE);
+        // FIXME: we should make sure we're not accessing the buffer anymore
+    }
+
     return EGL_TRUE;
 }
 
-EGLBoolean egl_window_surface_t::bindDrawSurface(ogles_context_t* gl)
+EGLBoolean egl_window_surface_v2_t::setSwapRectangle(
+        EGLint l, EGLint t, EGLint w, EGLint h)
+{
+    dirtyRegion = Rect(l, t, l+w, t+h);
+    return EGL_TRUE;
+}
+
+EGLClientBuffer egl_window_surface_v2_t::getRenderBuffer() const
+{
+    return buffer;
+}
+
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+
+static bool supportedCopybitsDestinationFormat(int format) {
+    // Hardware supported
+    switch (format) {
+    case HAL_PIXEL_FORMAT_RGB_565:
+    case HAL_PIXEL_FORMAT_RGBA_8888:
+    case HAL_PIXEL_FORMAT_RGBX_8888:
+    case HAL_PIXEL_FORMAT_RGBA_4444:
+    case HAL_PIXEL_FORMAT_RGBA_5551:
+    case HAL_PIXEL_FORMAT_BGRA_8888:
+        return true;
+    }
+    return false;
+}
+#endif
+
+EGLBoolean egl_window_surface_v2_t::bindDrawSurface(ogles_context_t* gl)
 {
     GGLSurface buffer;
     buffer.version = sizeof(GGLSurface);
-    buffer.width   = nativeWindow->width;
-    buffer.height  = nativeWindow->height;
-    buffer.stride  = nativeWindow->stride;
-    buffer.data    = (GGLubyte*)nativeWindow->base + nativeWindow->offset;
-    buffer.format  = nativeWindow->format;
+    buffer.width   = this->buffer->width;
+    buffer.height  = this->buffer->height;
+    buffer.stride  = this->buffer->stride;
+    buffer.data    = (GGLubyte*)bits;
+    buffer.format  = this->buffer->format;
     gl->rasterizer.procs.colorBuffer(gl, &buffer);
     if (depth.data != gl->rasterizer.state.buffers.depth.data)
         gl->rasterizer.procs.depthBuffer(gl, &depth);
+
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+    gl->copybits.drawSurfaceBuffer = 0;
+    if (gl->copybits.blitEngine != NULL) {
+        if (supportedCopybitsDestinationFormat(buffer.format)) {
+            buffer_handle_t handle = this->buffer->handle;
+            if (handle != NULL) {
+                gl->copybits.drawSurfaceBuffer = this->buffer;
+            }
+        }
+    }
+#endif // LIBAGL_USE_GRALLOC_COPYBITS
+
     return EGL_TRUE;
 }
-EGLBoolean egl_window_surface_t::bindReadSurface(ogles_context_t* gl)
+EGLBoolean egl_window_surface_v2_t::bindReadSurface(ogles_context_t* gl)
 {
     GGLSurface buffer;
     buffer.version = sizeof(GGLSurface);
-    buffer.width   = nativeWindow->width;
-    buffer.height  = nativeWindow->height;
-    buffer.stride  = nativeWindow->stride;
-    buffer.data    = (GGLubyte*)nativeWindow->base + nativeWindow->offset;
-    buffer.format  = nativeWindow->format;
+    buffer.width   = this->buffer->width;
+    buffer.height  = this->buffer->height;
+    buffer.stride  = this->buffer->stride;
+    buffer.data    = (GGLubyte*)bits; // FIXME: hopefully is is LOCKED!!!
+    buffer.format  = this->buffer->format;
     gl->rasterizer.procs.readBuffer(gl, &buffer);
     return EGL_TRUE;
 }
-void* egl_window_surface_t::getBits() const {
-    return (GGLubyte*)nativeWindow->base + nativeWindow->offset;
-}
-EGLint egl_window_surface_t::getHorizontalResolution() const {
+EGLint egl_window_surface_v2_t::getHorizontalResolution() const {
     return (nativeWindow->xdpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f);
 }
-EGLint egl_window_surface_t::getVerticalResolution() const {
+EGLint egl_window_surface_v2_t::getVerticalResolution() const {
     return (nativeWindow->ydpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f);
 }
-EGLint egl_window_surface_t::getRefreshRate() const {
-    return (nativeWindow->fps * EGL_DISPLAY_SCALING);
+EGLint egl_window_surface_v2_t::getRefreshRate() const {
+    return (60 * EGL_DISPLAY_SCALING); // FIXME
 }
-EGLint egl_window_surface_t::getSwapBehavior() const {
-    uint32_t flags = nativeWindow->flags;
-    if (flags & EGL_NATIVES_FLAG_DESTROY_BACKBUFFER)
-        return EGL_BUFFER_DESTROYED;
-    return EGL_BUFFER_PRESERVED;
+EGLint egl_window_surface_v2_t::getSwapBehavior() const 
+{
+    /*
+     * EGL_BUFFER_PRESERVED means that eglSwapBuffers() completely preserves
+     * the content of the swapped buffer.
+     * 
+     * EGL_BUFFER_DESTROYED means that the content of the buffer is lost.
+     * 
+     * However when ANDROID_swap_retcangle is supported, EGL_BUFFER_DESTROYED
+     * only applies to the area specified by eglSetSwapRectangleANDROID(), that
+     * is, everything outside of this area is preserved.
+     * 
+     * This implementation of EGL assumes the later case.
+     * 
+     */
+
+    return EGL_BUFFER_DESTROYED;
 }
 
 // ----------------------------------------------------------------------------
@@ -311,12 +723,11 @@
 
     virtual ~egl_pixmap_surface_t() { }
 
-    virtual     bool        isValid() const { return nativePixmap.version == sizeof(egl_native_pixmap_t); }    
+    virtual     bool        initCheck() const { return !depth.format || depth.data!=0; } 
     virtual     EGLBoolean  bindDrawSurface(ogles_context_t* gl);
     virtual     EGLBoolean  bindReadSurface(ogles_context_t* gl);
     virtual     EGLint      getWidth() const    { return nativePixmap.width;  }
     virtual     EGLint      getHeight() const   { return nativePixmap.height; }
-    virtual     void*       getBits() const     { return nativePixmap.data; }
 private:
     egl_native_pixmap_t     nativePixmap;
 };
@@ -334,7 +745,6 @@
         depth.data    = (GGLubyte*)malloc(depth.stride*depth.height*2);
         if (depth.data == 0) {
             setError(EGL_BAD_ALLOC, EGL_NO_SURFACE);
-            return;
         }
     }
 }
@@ -347,7 +757,7 @@
     buffer.stride  = nativePixmap.stride;
     buffer.data    = nativePixmap.data;
     buffer.format  = nativePixmap.format;
-    
+
     gl->rasterizer.procs.colorBuffer(gl, &buffer);
     if (depth.data != gl->rasterizer.state.buffers.depth.data)
         gl->rasterizer.procs.depthBuffer(gl, &depth);
@@ -376,12 +786,11 @@
 
     virtual ~egl_pbuffer_surface_t();
 
-    virtual     bool        isValid() const { return pbuffer.data != 0; }    
+    virtual     bool        initCheck() const   { return pbuffer.data != 0; }
     virtual     EGLBoolean  bindDrawSurface(ogles_context_t* gl);
     virtual     EGLBoolean  bindReadSurface(ogles_context_t* gl);
     virtual     EGLint      getWidth() const    { return pbuffer.width;  }
     virtual     EGLint      getHeight() const   { return pbuffer.height; }
-    virtual     void*       getBits() const     { return pbuffer.data; }
 private:
     GGLSurface  pbuffer;
 };
@@ -396,6 +805,7 @@
         case GGL_PIXEL_FORMAT_A_8:          size *= 1; break;
         case GGL_PIXEL_FORMAT_RGB_565:      size *= 2; break;
         case GGL_PIXEL_FORMAT_RGBA_8888:    size *= 4; break;
+        case GGL_PIXEL_FORMAT_RGBX_8888:    size *= 4; break;
         default:
             LOGE("incompatible pixel format for pbuffer (format=%d)", f);
             pbuffer.data = 0;
@@ -407,7 +817,7 @@
     pbuffer.stride  = w;
     pbuffer.data    = (GGLubyte*)malloc(size);
     pbuffer.format  = f;
-    
+
     if (depthFormat) {
         depth.width   = pbuffer.width;
         depth.height  = pbuffer.height;
@@ -468,7 +878,13 @@
 static char const * const gVendorString     = "Google Inc.";
 static char const * const gVersionString    = "1.2 Android Driver";
 static char const * const gClientApiString  = "OpenGL ES";
-static char const * const gExtensionsString = "";
+static char const * const gExtensionsString =
+        "EGL_KHR_image_base "
+        // "KHR_image_pixmap "
+        "EGL_ANDROID_image_native_buffer "
+        "EGL_ANDROID_swap_rectangle "
+        "EGL_ANDROID_get_render_buffer "
+        ;
 
 // ----------------------------------------------------------------------------
 
@@ -496,6 +912,10 @@
             (__eglMustCastToProperFunctionPointerType)&glDrawTexxvOES },
     { "glQueryMatrixxOES",
             (__eglMustCastToProperFunctionPointerType)&glQueryMatrixxOES },
+    { "glEGLImageTargetTexture2DOES",
+            (__eglMustCastToProperFunctionPointerType)&glEGLImageTargetTexture2DOES },
+    { "glEGLImageTargetRenderbufferStorageOES",
+            (__eglMustCastToProperFunctionPointerType)&glEGLImageTargetRenderbufferStorageOES },
     { "glClipPlanef",
             (__eglMustCastToProperFunctionPointerType)&glClipPlanef },
     { "glClipPlanex",
@@ -510,9 +930,17 @@
             (__eglMustCastToProperFunctionPointerType)&glDeleteBuffers },
     { "glGenBuffers",
             (__eglMustCastToProperFunctionPointerType)&glGenBuffers },
+    { "eglCreateImageKHR",  
+            (__eglMustCastToProperFunctionPointerType)&eglCreateImageKHR }, 
+    { "eglDestroyImageKHR", 
+            (__eglMustCastToProperFunctionPointerType)&eglDestroyImageKHR }, 
+    { "eglSetSwapRectangleANDROID", 
+            (__eglMustCastToProperFunctionPointerType)&eglSetSwapRectangleANDROID }, 
+    { "eglGetRenderBufferANDROID", 
+            (__eglMustCastToProperFunctionPointerType)&eglGetRenderBufferANDROID }, 
 };
 
-/* 
+/*
  * In the lists below, attributes names MUST be sorted.
  * Additionally, all configs must be sorted according to
  * the EGL specification.
@@ -523,7 +951,7 @@
         { EGL_CONFIG_CAVEAT,              EGL_SLOW_CONFIG                   },
         { EGL_LEVEL,                      0                                 },
         { EGL_MAX_PBUFFER_HEIGHT,         GGL_MAX_VIEWPORT_DIMS             },
-        { EGL_MAX_PBUFFER_PIXELS,         
+        { EGL_MAX_PBUFFER_PIXELS,
                 GGL_MAX_VIEWPORT_DIMS*GGL_MAX_VIEWPORT_DIMS                 },
         { EGL_MAX_PBUFFER_WIDTH,          GGL_MAX_VIEWPORT_DIMS             },
         { EGL_NATIVE_RENDERABLE,          EGL_TRUE                          },
@@ -538,12 +966,18 @@
         { EGL_BIND_TO_TEXTURE_RGBA,       EGL_FALSE                         },
         { EGL_BIND_TO_TEXTURE_RGB,        EGL_FALSE                         },
         { EGL_MIN_SWAP_INTERVAL,          1                                 },
-        { EGL_MAX_SWAP_INTERVAL,          4                                 },
+        { EGL_MAX_SWAP_INTERVAL,          1                                 },
+        { EGL_LUMINANCE_SIZE,             0                                 },
+        { EGL_ALPHA_MASK_SIZE,            0                                 },
+        { EGL_COLOR_BUFFER_TYPE,          EGL_RGB_BUFFER                    },
+        { EGL_RENDERABLE_TYPE,            EGL_OPENGL_ES_BIT                 },
+        { EGL_CONFORMANT,                 0                                 }
 };
 
 // These configs can override the base attribute list
 // NOTE: when adding a config here, don't forget to update eglCreate*Surface()
 
+// 565 configs
 static config_pair_t const config_0_attribute_list[] = {
         { EGL_BUFFER_SIZE,     16 },
         { EGL_ALPHA_SIZE,       0 },
@@ -566,8 +1000,32 @@
         { EGL_SURFACE_TYPE,     EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT },
 };
 
+// RGB 888 configs
 static config_pair_t const config_2_attribute_list[] = {
         { EGL_BUFFER_SIZE,     32 },
+        { EGL_ALPHA_SIZE,       0 },
+        { EGL_BLUE_SIZE,        8 },
+        { EGL_GREEN_SIZE,       8 },
+        { EGL_RED_SIZE,         8 },
+        { EGL_DEPTH_SIZE,       0 },
+        { EGL_CONFIG_ID,        6 },
+        { EGL_SURFACE_TYPE,     EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT },
+};
+
+static config_pair_t const config_3_attribute_list[] = {
+        { EGL_BUFFER_SIZE,     32 },
+        { EGL_ALPHA_SIZE,       0 },
+        { EGL_BLUE_SIZE,        8 },
+        { EGL_GREEN_SIZE,       8 },
+        { EGL_RED_SIZE,         8 },
+        { EGL_DEPTH_SIZE,      16 },
+        { EGL_CONFIG_ID,        7 },
+        { EGL_SURFACE_TYPE,     EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT },
+};
+
+// 8888 configs
+static config_pair_t const config_4_attribute_list[] = {
+        { EGL_BUFFER_SIZE,     32 },
         { EGL_ALPHA_SIZE,       8 },
         { EGL_BLUE_SIZE,        8 },
         { EGL_GREEN_SIZE,       8 },
@@ -577,7 +1035,7 @@
         { EGL_SURFACE_TYPE,     EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT },
 };
 
-static config_pair_t const config_3_attribute_list[] = {
+static config_pair_t const config_5_attribute_list[] = {
         { EGL_BUFFER_SIZE,     32 },
         { EGL_ALPHA_SIZE,       8 },
         { EGL_BLUE_SIZE,        8 },
@@ -588,7 +1046,8 @@
         { EGL_SURFACE_TYPE,     EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT },
 };
 
-static config_pair_t const config_4_attribute_list[] = {
+// A8 configs
+static config_pair_t const config_6_attribute_list[] = {
         { EGL_BUFFER_SIZE,      8 },
         { EGL_ALPHA_SIZE,       8 },
         { EGL_BLUE_SIZE,        0 },
@@ -599,7 +1058,7 @@
         { EGL_SURFACE_TYPE,     EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT },
 };
 
-static config_pair_t const config_5_attribute_list[] = {
+static config_pair_t const config_7_attribute_list[] = {
         { EGL_BUFFER_SIZE,      8 },
         { EGL_ALPHA_SIZE,       8 },
         { EGL_BLUE_SIZE,        0 },
@@ -617,6 +1076,8 @@
         { config_3_attribute_list, NELEM(config_3_attribute_list) },
         { config_4_attribute_list, NELEM(config_4_attribute_list) },
         { config_5_attribute_list, NELEM(config_5_attribute_list) },
+        { config_6_attribute_list, NELEM(config_6_attribute_list) },
+        { config_7_attribute_list, NELEM(config_7_attribute_list) },
 };
 
 static config_management_t const gConfigManagement[] = {
@@ -647,22 +1108,74 @@
         { EGL_BIND_TO_TEXTURE_RGB,        config_management_t::exact   },
         { EGL_MIN_SWAP_INTERVAL,          config_management_t::exact   },
         { EGL_MAX_SWAP_INTERVAL,          config_management_t::exact   },
+        { EGL_LUMINANCE_SIZE,             config_management_t::atLeast },
+        { EGL_ALPHA_MASK_SIZE,            config_management_t::atLeast },
+        { EGL_COLOR_BUFFER_TYPE,          config_management_t::exact   },
+        { EGL_RENDERABLE_TYPE,            config_management_t::mask    },
+        { EGL_CONFORMANT,                 config_management_t::mask    }
 };
 
+
 static config_pair_t const config_defaults[] = {
-        { EGL_SURFACE_TYPE,        EGL_WINDOW_BIT },
+    // attributes that are not specified are simply ignored, if a particular
+    // one needs not be ignored, it must be specified here, eg:
+    // { EGL_SURFACE_TYPE, EGL_WINDOW_BIT },
 };
 
 // ----------------------------------------------------------------------------
 
+static status_t getConfigFormatInfo(EGLint configID,
+        int32_t& pixelFormat, int32_t& depthFormat)
+{
+    switch(configID) {
+    case 0:
+        pixelFormat = GGL_PIXEL_FORMAT_RGB_565;
+        depthFormat = 0;
+        break;
+    case 1:
+        pixelFormat = GGL_PIXEL_FORMAT_RGB_565;
+        depthFormat = GGL_PIXEL_FORMAT_Z_16;
+        break;
+    case 2:
+        pixelFormat = GGL_PIXEL_FORMAT_RGBX_8888;
+        depthFormat = 0;
+        break;
+    case 3:
+        pixelFormat = GGL_PIXEL_FORMAT_RGBX_8888;
+        depthFormat = GGL_PIXEL_FORMAT_Z_16;
+        break;
+    case 4:
+        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888;
+        depthFormat = 0;
+        break;
+    case 5:
+        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888;
+        depthFormat = GGL_PIXEL_FORMAT_Z_16;
+        break;
+    case 6:
+        pixelFormat = GGL_PIXEL_FORMAT_A_8;
+        depthFormat = 0;
+        break;
+    case 7:
+        pixelFormat = GGL_PIXEL_FORMAT_A_8;
+        depthFormat = GGL_PIXEL_FORMAT_Z_16;
+        break;
+    default:
+        return NAME_NOT_FOUND;
+    }
+    return NO_ERROR;
+}
+
+// ----------------------------------------------------------------------------
+
 template<typename T>
 static int binarySearch(T const sortedArray[], int first, int last, EGLint key)
 {
    while (first <= last) {
        int mid = (first + last) / 2;
-       if (key > sortedArray[mid].key) { 
+       if (key > sortedArray[mid].key) {
            first = mid + 1;
-       } else if (key < sortedArray[mid].key) { 
+       } else if (key < sortedArray[mid].key) {
            last = mid - 1;
        } else {
            return mid;
@@ -674,13 +1187,13 @@
 static int isAttributeMatching(int i, EGLint attr, EGLint val)
 {
     // look for the attribute in all of our configs
-    config_pair_t const* configFound = gConfigs[i].array; 
+    config_pair_t const* configFound = gConfigs[i].array;
     int index = binarySearch<config_pair_t>(
             gConfigs[i].array,
             0, gConfigs[i].size-1,
             attr);
     if (index < 0) {
-        configFound = config_base_attribute_list; 
+        configFound = config_base_attribute_list;
         index = binarySearch<config_pair_t>(
                 config_base_attribute_list,
                 0, NELEM(config_base_attribute_list)-1,
@@ -787,38 +1300,18 @@
     if (!(surfaceType & EGL_WINDOW_BIT))
         return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
 
+    if (static_cast<android_native_window_t*>(window)->common.magic !=
+            ANDROID_NATIVE_WINDOW_MAGIC) {
+        return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
+    }
+        
     EGLint configID;
     if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE)
         return EGL_FALSE;
 
     int32_t depthFormat;
     int32_t pixelFormat;
-    switch(configID) {
-    case 0: 
-        pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 
-        depthFormat = 0;
-        break;
-    case 1:
-        pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 
-        depthFormat = GGL_PIXEL_FORMAT_Z_16;
-        break;
-    case 2:
-        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 
-        depthFormat = 0;
-        break;
-    case 3:
-        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 
-        depthFormat = GGL_PIXEL_FORMAT_Z_16;
-        break;
-    case 4:
-        pixelFormat = GGL_PIXEL_FORMAT_A_8; 
-        depthFormat = 0;
-        break;
-    case 5:
-        pixelFormat = GGL_PIXEL_FORMAT_A_8; 
-        depthFormat = GGL_PIXEL_FORMAT_Z_16;
-        break;
-    default:
+    if (getConfigFormatInfo(configID, pixelFormat, depthFormat) != NO_ERROR) {
         return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
     }
 
@@ -828,11 +1321,11 @@
     //if (EGLint(info.format) != pixelFormat)
     //    return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
 
-    egl_surface_t* surface =
-        new egl_window_surface_t(dpy, config, depthFormat,
-                static_cast<egl_native_window_t*>(window));
+    egl_surface_t* surface;
+    surface = new egl_window_surface_v2_t(dpy, config, depthFormat,
+            static_cast<android_native_window_t*>(window));
 
-    if (!surface->isValid()) {
+    if (!surface->initCheck()) {
         // there was a problem in the ctor, the error
         // flag has been set.
         delete surface;
@@ -856,38 +1349,18 @@
     if (!(surfaceType & EGL_PIXMAP_BIT))
         return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
 
+    if (static_cast<egl_native_pixmap_t*>(pixmap)->version != 
+            sizeof(egl_native_pixmap_t)) {
+        return setError(EGL_BAD_NATIVE_PIXMAP, EGL_NO_SURFACE);
+    }
+    
     EGLint configID;
     if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE)
         return EGL_FALSE;
 
     int32_t depthFormat;
     int32_t pixelFormat;
-    switch(configID) {
-    case 0: 
-        pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 
-        depthFormat = 0;
-        break;
-    case 1:
-        pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 
-        depthFormat = GGL_PIXEL_FORMAT_Z_16;
-        break;
-    case 2:
-        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 
-        depthFormat = 0;
-        break;
-    case 3:
-        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 
-        depthFormat = GGL_PIXEL_FORMAT_Z_16;
-        break;
-    case 4:
-        pixelFormat = GGL_PIXEL_FORMAT_A_8; 
-        depthFormat = 0;
-        break;
-    case 5:
-        pixelFormat = GGL_PIXEL_FORMAT_A_8; 
-        depthFormat = GGL_PIXEL_FORMAT_Z_16;
-        break;
-    default:
+    if (getConfigFormatInfo(configID, pixelFormat, depthFormat) != NO_ERROR) {
         return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
     }
 
@@ -898,7 +1371,7 @@
         new egl_pixmap_surface_t(dpy, config, depthFormat,
                 static_cast<egl_native_pixmap_t*>(pixmap));
 
-    if (!surface->isValid()) {
+    if (!surface->initCheck()) {
         // there was a problem in the ctor, the error
         // flag has been set.
         delete surface;
@@ -916,42 +1389,17 @@
     EGLint surfaceType;
     if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE)
         return EGL_FALSE;
-    
+
     if (!(surfaceType & EGL_PBUFFER_BIT))
         return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
-        
+
     EGLint configID;
     if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE)
         return EGL_FALSE;
 
     int32_t depthFormat;
     int32_t pixelFormat;
-    switch(configID) {
-    case 0: 
-        pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 
-        depthFormat = 0;
-        break;
-    case 1:
-        pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 
-        depthFormat = GGL_PIXEL_FORMAT_Z_16;
-        break;
-    case 2:
-        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 
-        depthFormat = 0;
-        break;
-    case 3:
-        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 
-        depthFormat = GGL_PIXEL_FORMAT_Z_16;
-        break;
-    case 4:
-        pixelFormat = GGL_PIXEL_FORMAT_A_8; 
-        depthFormat = 0;
-        break;
-    case 5:
-        pixelFormat = GGL_PIXEL_FORMAT_A_8; 
-        depthFormat = GGL_PIXEL_FORMAT_Z_16;
-        break;
-    default:
+    if (getConfigFormatInfo(configID, pixelFormat, depthFormat) != NO_ERROR) {
         return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
     }
 
@@ -966,7 +1414,7 @@
     egl_surface_t* surface =
         new egl_pbuffer_surface_t(dpy, config, depthFormat, w, h, pixelFormat);
 
-    if (!surface->isValid()) {
+    if (!surface->initCheck()) {
         // there was a problem in the ctor, the error
         // flag has been set.
         delete surface;
@@ -1001,7 +1449,7 @@
         egl_display_t& d = egl_display_t::get_display(dpy);
         d.type = display;
         return dpy;
-    }    
+    }
     return EGL_NO_DISPLAY;
 }
 
@@ -1009,10 +1457,10 @@
 {
     if (egl_display_t::is_valid(dpy) == EGL_FALSE)
         return setError(EGL_BAD_DISPLAY, EGL_FALSE);
-    
+
     EGLBoolean res = EGL_TRUE;
     egl_display_t& d = egl_display_t::get_display(dpy);
-    
+
     if (android_atomic_inc(&d.initialized) == 0) {
         // initialize stuff here if needed
         //pthread_mutex_lock(&gInitMutex);
@@ -1080,7 +1528,7 @@
         *num_config = 0;
         return EGL_TRUE;
     }
-    
+
     int numAttributes = 0;
     int numConfigs =  NELEM(gConfigs);
     uint32_t possibleMatch = (1<<numConfigs)-1;
@@ -1088,7 +1536,7 @@
         numAttributes++;
         EGLint attr = *attrib_list++;
         EGLint val  = *attrib_list++;
-        for (int i=0 ; i<numConfigs ; i++) {
+        for (int i=0 ; possibleMatch && i<numConfigs ; i++) {
             if (!(possibleMatch & (1<<i)))
                 continue;
             if (isAttributeMatching(i, attr, val) == 0) {
@@ -1098,15 +1546,15 @@
     }
 
     // now, handle the attributes which have a useful default value
-    for (size_t j=0 ; j<NELEM(config_defaults) ; j++) {
-        // see if this attribute was specified, if not apply its
+    for (size_t j=0 ; possibleMatch && j<NELEM(config_defaults) ; j++) {
+        // see if this attribute was specified, if not, apply its
         // default value
         if (binarySearch<config_pair_t>(
                 (config_pair_t const*)attrib_list,
                 0, numAttributes-1,
                 config_defaults[j].key) < 0)
         {
-            for (int i=0 ; i<numConfigs ; i++) {
+            for (int i=0 ; possibleMatch && i<numConfigs ; i++) {
                 if (!(possibleMatch & (1<<i)))
                     continue;
                 if (isAttributeMatching(i,
@@ -1161,7 +1609,7 @@
 {
     return createWindowSurface(dpy, config, window, attrib_list);
 }
-    
+
 EGLSurface eglCreatePixmapSurface(  EGLDisplay dpy, EGLConfig config,
                                     NativePixmapType pixmap,
                                     const EGLint *attrib_list)
@@ -1174,17 +1622,22 @@
 {
     return createPbufferSurface(dpy, config, attrib_list);
 }
-                                    
+
 EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface eglSurface)
 {
     if (egl_display_t::is_valid(dpy) == EGL_FALSE)
         return setError(EGL_BAD_DISPLAY, EGL_FALSE);
     if (eglSurface != EGL_NO_SURFACE) {
         egl_surface_t* surface( static_cast<egl_surface_t*>(eglSurface) );
-        if (surface->magic != egl_surface_t::MAGIC)
+        if (!surface->isValid())
             return setError(EGL_BAD_SURFACE, EGL_FALSE);
         if (surface->dpy != dpy)
             return setError(EGL_BAD_DISPLAY, EGL_FALSE);
+        if (surface->ctx) {
+            // FIXME: this surface is current check what the spec says
+            surface->disconnect();
+            surface->ctx = 0;
+        }
         delete surface;
     }
     return EGL_TRUE;
@@ -1196,6 +1649,8 @@
     if (egl_display_t::is_valid(dpy) == EGL_FALSE)
         return setError(EGL_BAD_DISPLAY, EGL_FALSE);
     egl_surface_t* surface = static_cast<egl_surface_t*>(eglSurface);
+    if (!surface->isValid())
+        return setError(EGL_BAD_SURFACE, EGL_FALSE);
     if (surface->dpy != dpy)
         return setError(EGL_BAD_DISPLAY, EGL_FALSE);
 
@@ -1244,7 +1699,7 @@
             *value = (wr * EGL_DISPLAY_SCALING) / hr;
         } break;
         case EGL_SWAP_BEHAVIOR:
-            *value = surface->getSwapBehavior(); 
+            *value = surface->getSwapBehavior();
             break;
         default:
             ret = setError(EGL_BAD_ATTRIBUTE, EGL_FALSE);
@@ -1288,13 +1743,23 @@
         return setError(EGL_BAD_DISPLAY, EGL_FALSE);
     if (draw) {
         egl_surface_t* s = (egl_surface_t*)draw;
+        if (!s->isValid())
+            return setError(EGL_BAD_SURFACE, EGL_FALSE);
         if (s->dpy != dpy)
             return setError(EGL_BAD_DISPLAY, EGL_FALSE);
-        // TODO: check that draw and read are compatible with the context
+        // TODO: check that draw is compatible with the context
+    }
+    if (read && read!=draw) {
+        egl_surface_t* s = (egl_surface_t*)read;
+        if (!s->isValid())
+            return setError(EGL_BAD_SURFACE, EGL_FALSE);
+        if (s->dpy != dpy)
+            return setError(EGL_BAD_DISPLAY, EGL_FALSE);
+        // TODO: check that read is compatible with the context
     }
 
     EGLContext current_ctx = EGL_NO_CONTEXT;
-    
+
     if ((read == EGL_NO_SURFACE && draw == EGL_NO_SURFACE) && (ctx != EGL_NO_CONTEXT))
         return setError(EGL_BAD_MATCH, EGL_FALSE);
 
@@ -1310,21 +1775,29 @@
         egl_surface_t* r = (egl_surface_t*)read;
         if ((d && d->ctx && d->ctx != ctx) ||
             (r && r->ctx && r->ctx != ctx)) {
-            // once of the surface is bound to a context in another thread
+            // one of the surface is bound to a context in another thread
             return setError(EGL_BAD_ACCESS, EGL_FALSE);
         }
     }
 
-    // TODO: call connect / disconnect on the surface
-
     ogles_context_t* gl = (ogles_context_t*)ctx;
     if (makeCurrent(gl) == 0) {
         if (ctx) {
             egl_context_t* c = egl_context_t::context(ctx);
             egl_surface_t* d = (egl_surface_t*)draw;
             egl_surface_t* r = (egl_surface_t*)read;
-            c->read = read;
+            
+            if (c->draw) {
+                egl_surface_t* s = reinterpret_cast<egl_surface_t*>(c->draw);
+                s->disconnect();
+            }
+            if (c->read) {
+                // FIXME: unlock/disconnect the read surface too 
+            }
+            
             c->draw = draw;
+            c->read = read;
+
             if (c->flags & egl_context_t::NEVER_CURRENT) {
                 c->flags &= ~egl_context_t::NEVER_CURRENT;
                 GLint w = 0;
@@ -1338,10 +1811,14 @@
                 ogles_scissor(gl, 0, 0, w, h);
             }
             if (d) {
+                if (d->connect() == EGL_FALSE) {
+                    return EGL_FALSE;
+                }
                 d->ctx = ctx;
                 d->bindDrawSurface(gl);
             }
             if (r) {
+                // FIXME: lock/connect the read surface too 
                 r->ctx = ctx;
                 r->bindReadSurface(gl);
             }
@@ -1352,8 +1829,16 @@
                 egl_context_t* c = egl_context_t::context(current_ctx);
                 egl_surface_t* d = (egl_surface_t*)c->draw;
                 egl_surface_t* r = (egl_surface_t*)c->read;
-                if (d) d->ctx = EGL_NO_CONTEXT;
-                if (r) r->ctx = EGL_NO_CONTEXT;
+                if (d) {
+                    c->draw = 0;
+                    d->ctx = EGL_NO_CONTEXT;
+                    d->disconnect();
+                }
+                if (r) {
+                    c->read = 0;
+                    r->ctx = EGL_NO_CONTEXT;
+                    // FIXME: unlock/disconnect the read surface too 
+                }
             }
         }
         return EGL_TRUE;
@@ -1425,8 +1910,10 @@
 {
     if (egl_display_t::is_valid(dpy) == EGL_FALSE)
         return setError(EGL_BAD_DISPLAY, EGL_FALSE);
-    
+
     egl_surface_t* d = static_cast<egl_surface_t*>(draw);
+    if (!d->isValid())
+        return setError(EGL_BAD_SURFACE, EGL_FALSE);
     if (d->dpy != dpy)
         return setError(EGL_BAD_DISPLAY, EGL_FALSE);
 
@@ -1558,7 +2045,7 @@
 }
 
 // ----------------------------------------------------------------------------
-// Android extensions
+// EGL_EGLEXT_VERSION 3
 // ----------------------------------------------------------------------------
 
 void (*eglGetProcAddress (const char *procname))()
@@ -1571,3 +2058,97 @@
     }
     return NULL;
 }
+
+EGLBoolean eglLockSurfaceKHR(EGLDisplay dpy, EGLSurface surface,
+        const EGLint *attrib_list)
+{
+    EGLBoolean result = EGL_FALSE;
+    return result;
+}
+
+EGLBoolean eglUnlockSurfaceKHR(EGLDisplay dpy, EGLSurface surface)
+{
+    EGLBoolean result = EGL_FALSE;
+    return result;
+}
+
+EGLImageKHR eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target,
+        EGLClientBuffer buffer, const EGLint *attrib_list)
+{
+    if (egl_display_t::is_valid(dpy) == EGL_FALSE) {
+        return setError(EGL_BAD_DISPLAY, EGL_NO_IMAGE_KHR);
+    }
+    if (ctx != EGL_NO_CONTEXT) {
+        return setError(EGL_BAD_CONTEXT, EGL_NO_IMAGE_KHR);
+    }
+    if (target != EGL_NATIVE_BUFFER_ANDROID) {
+        return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);
+    }
+
+    android_native_buffer_t* native_buffer = (android_native_buffer_t*)buffer;
+
+    if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC)
+        return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);
+
+    if (native_buffer->common.version != sizeof(android_native_buffer_t))
+        return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);
+    
+    native_buffer->common.incRef(&native_buffer->common);
+    return (EGLImageKHR)native_buffer;
+}
+
+EGLBoolean eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR img)
+{
+    if (egl_display_t::is_valid(dpy) == EGL_FALSE) {
+        return setError(EGL_BAD_DISPLAY, EGL_FALSE);
+    }
+
+    android_native_buffer_t* native_buffer = (android_native_buffer_t*)img;
+
+    if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC)
+        return setError(EGL_BAD_PARAMETER, EGL_FALSE);
+
+    if (native_buffer->common.version != sizeof(android_native_buffer_t))
+        return setError(EGL_BAD_PARAMETER, EGL_FALSE);
+
+    native_buffer->common.decRef(&native_buffer->common);
+
+    return EGL_TRUE;
+}
+
+// ----------------------------------------------------------------------------
+// ANDROID extensions
+// ----------------------------------------------------------------------------
+
+EGLBoolean eglSetSwapRectangleANDROID(EGLDisplay dpy, EGLSurface draw,
+        EGLint left, EGLint top, EGLint width, EGLint height)
+{
+    if (egl_display_t::is_valid(dpy) == EGL_FALSE)
+        return setError(EGL_BAD_DISPLAY, EGL_FALSE);
+
+    egl_surface_t* d = static_cast<egl_surface_t*>(draw);
+    if (!d->isValid())
+        return setError(EGL_BAD_SURFACE, EGL_FALSE);
+    if (d->dpy != dpy)
+        return setError(EGL_BAD_DISPLAY, EGL_FALSE);
+
+    // post the surface
+    d->setSwapRectangle(left, top, width, height);
+
+    return EGL_TRUE;
+}
+
+EGLClientBuffer eglGetRenderBufferANDROID(EGLDisplay dpy, EGLSurface draw)
+{
+    if (egl_display_t::is_valid(dpy) == EGL_FALSE)
+        return setError(EGL_BAD_DISPLAY, (EGLClientBuffer)0);
+
+    egl_surface_t* d = static_cast<egl_surface_t*>(draw);
+    if (!d->isValid())
+        return setError(EGL_BAD_SURFACE, (EGLClientBuffer)0);
+    if (d->dpy != dpy)
+        return setError(EGL_BAD_DISPLAY, (EGLClientBuffer)0);
+
+    // post the surface
+    return d->getRenderBuffer();
+}
diff --git a/opengl/libagl/light.cpp b/opengl/libagl/light.cpp
index 8ae32cc..f211bca 100644
--- a/opengl/libagl/light.cpp
+++ b/opengl/libagl/light.cpp
@@ -216,6 +216,8 @@
 static inline void validate_light_mvi(ogles_context_t* c)
 {
     uint32_t en = c->lighting.enabledLights;
+    // Vector from object to viewer, in eye coordinates
+    const vec4_t eyeViewer = { 0, 0, 0x1000, 0 };
     while (en) {
         const int i = 31 - gglClz(en);
         en &= ~(1<<i);
@@ -223,6 +225,9 @@
         c->transforms.mvui.point4(&c->transforms.mvui,
                 &l.objPosition, &l.position);
         vnorm3(l.normalizedObjPosition.v, l.objPosition.v);
+        c->transforms.mvui.point4(&c->transforms.mvui,
+                &l.objViewer, &eyeViewer);
+        vnorm3(l.objViewer.v, l.objViewer.v);
     }
 }
 
@@ -379,9 +384,9 @@
             // specular
             if (ggl_unlikely(s && l.implicitSpecular.v[3])) {
                 vec4_t h;
-                h.x = d.x;
-                h.y = d.y;
-                h.z = d.z + 0x10000;
+                h.x = d.x + l.objViewer.x;
+                h.y = d.y + l.objViewer.y;
+                h.z = d.z + l.objViewer.z;
                 vnorm3(h.v, h.v);
                 s = dot3(n.v, h.v);
                 s = (s<0) ? (twoSide?(-s):0) : s;
diff --git a/opengl/libagl/matrix.cpp b/opengl/libagl/matrix.cpp
index 0b68dc0..3c50977 100644
--- a/opengl/libagl/matrix.cpp
+++ b/opengl/libagl/matrix.cpp
@@ -696,6 +696,8 @@
     f[2] = 0;   f[6] = 0;   f[10] = A;  f[14] = B;
     f[3] = 0;   f[7] = 0;   f[11] = 0;  f[15] = 1;
     c->transforms.dirty |= transform_state_t::VIEWPORT;
+    if (c->transforms.mvp4.flags & transform_t::FLAGS_2D_PROJECTION)
+        c->transforms.dirty |= transform_state_t::MVP;
 }
 
 // ----------------------------------------------------------------------------
@@ -739,20 +741,19 @@
 
 void point4__mvui(transform_t const* mx, vec4_t* lhs, vec4_t const* rhs) {
     // this used for transforming light positions back to object space.
-    // Lights have 3 components positions, so w is always 1.
-    // however, it is used as a switch for directional lights, so we need
+    // w is used as a switch for directional lights, so we need
     // to preserve it.
     const GLfixed* const m = mx->matrix.m;
     const GLfixed rx = rhs->x;
     const GLfixed ry = rhs->y;
     const GLfixed rz = rhs->z;
-    lhs->x = mla3a(rx, m[ 0], ry, m[ 4], rz, m[ 8], m[12]); 
-    lhs->y = mla3a(rx, m[ 1], ry, m[ 5], rz, m[ 9], m[13]);
-    lhs->z = mla3a(rx, m[ 2], ry, m[ 6], rz, m[10], m[14]);
-    lhs->w = rhs->w;
+    const GLfixed rw = rhs->w;
+    lhs->x = mla4(rx, m[ 0], ry, m[ 4], rz, m[ 8], rw, m[12]);
+    lhs->y = mla4(rx, m[ 1], ry, m[ 5], rz, m[ 9], rw, m[13]);
+    lhs->z = mla4(rx, m[ 2], ry, m[ 6], rz, m[10], rw, m[14]);
+    lhs->w = rw;
 }
 
-
 void point2__nop(transform_t const*, vec4_t* lhs, vec4_t const* rhs) {
     lhs->z = 0;
     lhs->w = 0x10000;
diff --git a/opengl/libagl/primitives.cpp b/opengl/libagl/primitives.cpp
index f164c02..769ec40 100644
--- a/opengl/libagl/primitives.cpp
+++ b/opengl/libagl/primitives.cpp
@@ -369,7 +369,7 @@
         int32_t c0, int32_t c1, int32_t c2) const
 {
     int64_t it64[3];
-    iterators0032(it, c0, c1, c2);
+    iterators0032(it64, c0, c1, c2);
     it[0] = it64[0];
     it[1] = it64[1];
     it[2] = it64[2];
diff --git a/opengl/libagl/state.cpp b/opengl/libagl/state.cpp
index 5cbabea..a59b3b0 100644
--- a/opengl/libagl/state.cpp
+++ b/opengl/libagl/state.cpp
@@ -2,16 +2,16 @@
 **
 ** Copyright 2006, The Android Open Source Project
 **
-** Licensed under the Apache License, Version 2.0 (the "License"); 
-** you may not use this file except in compliance with the License. 
-** You may obtain a copy of the License at 
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
 **
-**     http://www.apache.org/licenses/LICENSE-2.0 
+**     http://www.apache.org/licenses/LICENSE-2.0
 **
-** Unless required by applicable law or agreed to in writing, software 
-** distributed under the License is distributed on an "AS IS" BASIS, 
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
-** See the License for the specific language governing permissions and 
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
 ** limitations under the License.
 */
 
@@ -28,12 +28,16 @@
 #include "BufferObjectManager.h"
 #include "TextureObjectManager.h"
 
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+#include <hardware/copybit.h>
+#endif // LIBAGL_USE_GRALLOC_COPYBITS
+
 namespace android {
 
 // ----------------------------------------------------------------------------
 
 static char const * const gVendorString     = "Android";
-static char const * const gRendererString   = "Android PixelFlinger 1.0";
+static char const * const gRendererString   = "Android PixelFlinger 1.1";
 static char const * const gVersionString    = "OpenGL ES-CM 1.0";
 static char const * const gExtensionsString =
     "GL_OES_byte_coordinates "              // OK
@@ -46,9 +50,9 @@
     "GL_OES_query_matrix "                  // OK
     //        "GL_OES_point_size_array "              // TODO
     //        "GL_OES_point_sprite "                  // TODO
+    "GL_OES_EGL_image "                     // OK
     "GL_ARB_texture_compression "           // OK
     "GL_ARB_texture_non_power_of_two "      // OK
-    "GL_ANDROID_direct_texture "            // OK
     "GL_ANDROID_user_clip_plane "           // OK
     "GL_ANDROID_vertex_buffer_object "      // OK
     "GL_ANDROID_generate_mipmap "           // OK
@@ -62,13 +66,13 @@
 ogles_context_t *ogles_init(size_t extra)
 {
     void* const base = malloc(extra + sizeof(ogles_context_t) + 32);
-	if (!base) return 0;
+    if (!base) return 0;
 
     ogles_context_t *c =
             (ogles_context_t *)((ptrdiff_t(base) + extra + 31) & ~0x1FL);
     memset(c, 0, sizeof(ogles_context_t));
     ggl_init_context(&(c->rasterizer));
-    
+
     // XXX: this should be passed as an argument
     sp<EGLSurfaceManager> smgr(new EGLSurfaceManager());
     c->surfaceManager = smgr.get();
@@ -87,13 +91,42 @@
     c->rasterizer.base = base;
     c->point.size = TRI_ONE;
     c->line.width = TRI_ONE;
-            
+
     // in OpenGL, writing to the depth buffer is enabled by default.
     c->rasterizer.procs.depthMask(c, 1);
-    
+
     // OpenGL enables dithering by default
     c->rasterizer.procs.enable(c, GL_DITHER);
 
+    c->copybits.blitEngine = NULL;
+    c->copybits.minScale = 0;
+    c->copybits.maxScale = 0;
+    c->copybits.drawSurfaceBuffer = 0;
+
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+    hw_module_t const* module;
+    if (hw_get_module(COPYBIT_HARDWARE_MODULE_ID, &module) == 0) {
+        struct copybit_device_t* copyBits;
+        if (copybit_open(module, &copyBits) == 0) {
+            c->copybits.blitEngine = copyBits;
+            {
+                int minLim = copyBits->get(copyBits,
+                        COPYBIT_MINIFICATION_LIMIT);
+                if (minLim != -EINVAL && minLim > 0) {
+                    c->copybits.minScale = (1 << 16) / minLim;
+                }
+            }
+            {
+                int magLim = copyBits->get(copyBits,
+                        COPYBIT_MAGNIFICATION_LIMIT);
+                if (magLim != -EINVAL && magLim > 0) {
+                    c->copybits.maxScale = min(32*1024-1, magLim) << 16;
+                }
+            }
+        }
+    }
+#endif // LIBAGL_USE_GRALLOC_COPYBITS
+
     return c;
 }
 
@@ -107,7 +140,12 @@
     c->surfaceManager->decStrong(c);
     c->bufferObjectManager->decStrong(c);
     ggl_uninit_context(&(c->rasterizer));
-	free(c->rasterizer.base);
+    free(c->rasterizer.base);
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+    if (c->copybits.blitEngine != NULL) {
+        copybit_close((struct copybit_device_t*) c->copybits.blitEngine);
+    }
+#endif // LIBAGL_USE_GRALLOC_COPYBITS
 }
 
 void _ogles_error(ogles_context_t* c, GLenum error)
@@ -188,7 +226,7 @@
         // these need to fall through into the rasterizer
         c->rasterizer.procs.enableDisable(c, cap, enabled);
         break;
-        
+
     case GL_MULTISAMPLE:
     case GL_SAMPLE_ALPHA_TO_COVERAGE:
     case GL_SAMPLE_ALPHA_TO_ONE:
@@ -281,7 +319,7 @@
     case GL_LINE_SMOOTH_HINT:
         break;
     case GL_POINT_SMOOTH_HINT:
-        c->rasterizer.procs.enableDisable(c, 
+        c->rasterizer.procs.enableDisable(c,
                 GGL_POINT_SMOOTH_NICE, mode==GL_NICEST);
         break;
     case GL_PERSPECTIVE_CORRECTION_HINT:
@@ -323,7 +361,7 @@
         c->error = 0;
         return ret;
     }
-    
+
     if (c->rasterizer.error) {
         const GLenum ret(c->rasterizer.error);
         c->rasterizer.error = 0;
@@ -362,25 +400,25 @@
         int index = c->rasterizer.state.buffers.color.format;
         GGLFormat const * formats = gglGetPixelFormatTable();
         params[0] = formats[index].ah - formats[index].al;
-        break; 
+        break;
         }
     case GL_RED_BITS: {
         int index = c->rasterizer.state.buffers.color.format;
         GGLFormat const * formats = gglGetPixelFormatTable();
         params[0] = formats[index].rh - formats[index].rl;
-        break; 
+        break;
         }
     case GL_GREEN_BITS: {
         int index = c->rasterizer.state.buffers.color.format;
         GGLFormat const * formats = gglGetPixelFormatTable();
         params[0] = formats[index].gh - formats[index].gl;
-        break; 
+        break;
         }
     case GL_BLUE_BITS: {
         int index = c->rasterizer.state.buffers.color.format;
         GGLFormat const * formats = gglGetPixelFormatTable();
         params[0] = formats[index].bh - formats[index].bl;
-        break; 
+        break;
         }
     case GL_COMPRESSED_TEXTURE_FORMATS:
         params[ 0] = GL_PALETTE4_RGB8_OES;
diff --git a/opengl/libagl/texture.cpp b/opengl/libagl/texture.cpp
index 14a910c..13d078e 100644
--- a/opengl/libagl/texture.cpp
+++ b/opengl/libagl/texture.cpp
@@ -2,16 +2,16 @@
 **
 ** Copyright 2006, The Android Open Source Project
 **
-** Licensed under the Apache License, Version 2.0 (the "License"); 
-** you may not use this file except in compliance with the License. 
-** You may obtain a copy of the License at 
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
 **
-**     http://www.apache.org/licenses/LICENSE-2.0 
+**     http://www.apache.org/licenses/LICENSE-2.0
 **
-** Unless required by applicable law or agreed to in writing, software 
-** distributed under the License is distributed on an "AS IS" BASIS, 
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
-** See the License for the specific language governing permissions and 
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
 ** limitations under the License.
 */
 
@@ -23,6 +23,12 @@
 #include "texture.h"
 #include "TextureObjectManager.h"
 
+#include <private/ui/android_natives_priv.h>
+
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+#include "copybit.h"
+#endif // LIBAGL_USE_GRALLOC_COPYBITS
+
 namespace android {
 
 // ----------------------------------------------------------------------------
@@ -48,7 +54,7 @@
     // each context has a default named (0) texture (not shared)
     c->textures.defaultTexture = new EGLTextureObject();
     c->textures.defaultTexture->incStrong(c);
-    
+
     // bind the default texture to each texture unit
     for (int i=0; i<GGL_TEXTURE_UNIT_COUNT ; i++) {
         bindTextureTmu(c, i, 0, c->textures.defaultTexture);
@@ -96,7 +102,7 @@
     }
 }
 
-void ogles_validate_texture_impl(ogles_context_t* c)
+void ogles_validate_texture(ogles_context_t* c)
 {
     for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT ; i++) {
         if (c->rasterizer.state.texture[i].enable)
@@ -110,6 +116,66 @@
     c->textures.tmu[tmu].dirty = flags;
 }
 
+/*
+ * If the active textures are EGLImage, they need to be locked before
+ * they can be used.
+ *
+ * FIXME: code below is far from being optimal
+ *
+ */
+
+void ogles_lock_textures(ogles_context_t* c)
+{
+    for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT ; i++) {
+        if (c->rasterizer.state.texture[i].enable) {
+            texture_unit_t& u(c->textures.tmu[i]);
+            android_native_buffer_t* native_buffer = u.texture->buffer;
+            if (native_buffer) {
+                c->rasterizer.procs.activeTexture(c, i);
+                hw_module_t const* pModule;
+                if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &pModule))
+                    continue;
+
+                gralloc_module_t const* module =
+                    reinterpret_cast<gralloc_module_t const*>(pModule);
+
+                void* vaddr;
+                int err = module->lock(module, native_buffer->handle,
+                        GRALLOC_USAGE_SW_READ_OFTEN,
+                        0, 0, native_buffer->width, native_buffer->height,
+                        &vaddr);
+
+                u.texture->setImageBits(vaddr);
+                c->rasterizer.procs.bindTexture(c, &(u.texture->surface));
+            }
+        }
+    }
+}
+
+void ogles_unlock_textures(ogles_context_t* c)
+{
+    for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT ; i++) {
+        if (c->rasterizer.state.texture[i].enable) {
+            texture_unit_t& u(c->textures.tmu[i]);
+            android_native_buffer_t* native_buffer = u.texture->buffer;
+            if (native_buffer) {
+                c->rasterizer.procs.activeTexture(c, i);
+                hw_module_t const* pModule;
+                if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &pModule))
+                    continue;
+
+                gralloc_module_t const* module =
+                    reinterpret_cast<gralloc_module_t const*>(pModule);
+
+                module->unlock(module, native_buffer->handle);
+                u.texture->setImageBits(NULL);
+                c->rasterizer.procs.bindTexture(c, &(u.texture->surface));
+            }
+        }
+    }
+    c->rasterizer.procs.activeTexture(c, c->textures.active);
+}
+
 // ----------------------------------------------------------------------------
 #if 0
 #pragma mark -
@@ -255,7 +321,7 @@
         u.texture->decStrong(c);
 
     if (name == 0) {
-        // 0 is our local texture object, not shared with anyone. 
+        // 0 is our local texture object, not shared with anyone.
         // But it affects all bound TMUs immediately.
         // (we need to invalidate all units bound to this texture object)
         tex = c->textures.defaultTexture;
@@ -273,7 +339,7 @@
     u.texture = tex.get();
     u.texture->incStrong(c);
     u.name = name;
-    invalidate_texture(c, active);    
+    invalidate_texture(c, active);
     return tex;
 }
 
@@ -282,7 +348,7 @@
 {
     if (tex.get() == c->textures.tmu[tmu].texture)
         return;
-    
+
     // free the reference to the previously bound object
     texture_unit_t& u(c->textures.tmu[tmu]);
     if (u.texture)
@@ -310,7 +376,7 @@
     if (formatIdx == 0) { // we don't know what to do with this
         return GL_INVALID_OPERATION;
     }
-    
+
     // figure out the size we need as well as the stride
     const GGLFormat& pixelFormat(c->rasterizer.formats[formatIdx]);
     const int32_t align = c->textures.unpackAlignment-1;
@@ -343,6 +409,49 @@
     return 0;
 }
 
+static size_t dataSizePalette4(int numLevels, int width, int height, int format)
+{
+    int indexBits = 8;
+    int entrySize = 0;
+    switch (format) {
+    case GL_PALETTE4_RGB8_OES:
+        indexBits = 4;
+        /* FALLTHROUGH */
+    case GL_PALETTE8_RGB8_OES:
+        entrySize = 3;
+        break;
+
+    case GL_PALETTE4_RGBA8_OES:
+        indexBits = 4;
+        /* FALLTHROUGH */
+    case GL_PALETTE8_RGBA8_OES:
+        entrySize = 4;
+        break;
+
+    case GL_PALETTE4_R5_G6_B5_OES:
+    case GL_PALETTE4_RGBA4_OES:
+    case GL_PALETTE4_RGB5_A1_OES:
+        indexBits = 4;
+        /* FALLTHROUGH */
+    case GL_PALETTE8_R5_G6_B5_OES:
+    case GL_PALETTE8_RGBA4_OES:
+    case GL_PALETTE8_RGB5_A1_OES:
+        entrySize = 2;
+        break;
+    }
+
+    size_t size = (1 << indexBits) * entrySize; // palette size
+
+    for (int i=0 ; i< numLevels ; i++) {
+        int w = (width  >> i) ? : 1;
+        int h = (height >> i) ? : 1;
+        int levelSize = h * ((w * indexBits) / 8) ? : 1;
+        size += levelSize;
+    }
+
+    return size;
+}
+
 static void decodePalette4(const GLvoid *data, int level, int width, int height,
                            void *surface, int stride, int format)
 
@@ -377,6 +486,7 @@
     }
 
     const int paletteSize = (1 << indexBits) * entrySize;
+
     uint8_t const* pixels = (uint8_t *)data + paletteSize;
     for (int i=0 ; i<level ; i++) {
         int w = (width  >> i) ? : 1;
@@ -530,8 +640,8 @@
         ogles_error(c, GL_INVALID_ENUM);
         return;
     }
-    
-    EGLTextureObject* textureObject = c->textures.tmu[c->textures.active].texture;    
+
+    EGLTextureObject* textureObject = c->textures.tmu[c->textures.active].texture;
     switch (pname) {
     case GL_TEXTURE_WRAP_S:
         if ((param == GL_REPEAT) ||
@@ -581,12 +691,11 @@
 }
 
 
-static void drawTexxOES(GLfixed x, GLfixed y, GLfixed z, GLfixed w, GLfixed h,
+
+static void drawTexxOESImp(GLfixed x, GLfixed y, GLfixed z, GLfixed w, GLfixed h,
         ogles_context_t* c)
 {
-    // quickly reject empty rects
-    if ((w|h) <= 0)
-        return;                
+    ogles_lock_textures(c);
 
     const GGLSurface& cbSurface = c->rasterizer.state.buffers.color.s;
     y = gglIntToFixed(cbSurface.height) - (y + h);
@@ -610,7 +719,7 @@
                 GGL_TEXTURE_2D, GGL_TEXTURE_WRAP_T, GGL_CLAMP);
         u.dirty = 0xFF; // XXX: should be more subtle
 
-        EGLTextureObject* textureObject = u.texture;  
+        EGLTextureObject* textureObject = u.texture;
         const GLint Ucr = textureObject->crop_rect[0] << 16;
         const GLint Vcr = textureObject->crop_rect[1] << 16;
         const GLint Wcr = textureObject->crop_rect[2] << 16;
@@ -641,11 +750,30 @@
     c->rasterizer.procs.disable(c, GGL_W_LERP);
     c->rasterizer.procs.disable(c, GGL_AA);
     c->rasterizer.procs.shadeModel(c, GL_FLAT);
-    c->rasterizer.procs.recti(c, 
+    c->rasterizer.procs.recti(c,
             gglFixedToIntRound(x),
             gglFixedToIntRound(y),
             gglFixedToIntRound(x)+w,
             gglFixedToIntRound(y)+h);
+
+    ogles_unlock_textures(c);
+}
+
+static void drawTexxOES(GLfixed x, GLfixed y, GLfixed z, GLfixed w, GLfixed h,
+        ogles_context_t* c)
+{
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+    if (drawTexiOESWithCopybit(gglFixedToIntRound(x),
+            gglFixedToIntRound(y), gglFixedToIntRound(z),
+            gglFixedToIntRound(w), gglFixedToIntRound(h), c)) {
+        return;
+    }
+#else
+    // quickly reject empty rects
+    if ((w|h) <= 0)
+        return;
+#endif
+    drawTexxOESImp(x, y, z, w, h, c);
 }
 
 static void drawTexiOES(GLint x, GLint y, GLint z, GLint w, GLint h, ogles_context_t* c)
@@ -656,14 +784,21 @@
     // which is a lot faster.
 
     if (ggl_likely(c->rasterizer.state.enabled_tmu == 1)) {
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+        if (drawTexiOESWithCopybit(x, y, z, w, h, c)) {
+            return;
+        }
+#endif
         const int tmu = 0;
         texture_unit_t& u(c->textures.tmu[tmu]);
-        EGLTextureObject* textureObject = u.texture;  
+        EGLTextureObject* textureObject = u.texture;
         const GLint Wcr = textureObject->crop_rect[2];
         const GLint Hcr = textureObject->crop_rect[3];
 
         if ((w == Wcr) && (h == -Hcr)) {
+#ifndef LIBAGL_USE_GRALLOC_COPYBITS
             if ((w|h) <= 0) return; // quickly reject empty rects
+#endif
 
             if (u.dirty) {
                 c->rasterizer.procs.activeTexture(c, tmu);
@@ -679,14 +814,14 @@
                     GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
             u.dirty = 0xFF; // XXX: should be more subtle
             c->rasterizer.procs.activeTexture(c, c->textures.active);
-            
+
             const GGLSurface& cbSurface = c->rasterizer.state.buffers.color.s;
             y = cbSurface.height - (y + h);
             const GLint Ucr = textureObject->crop_rect[0];
             const GLint Vcr = textureObject->crop_rect[1];
             const GLint s0  = Ucr - x;
             const GLint t0  = (Vcr + Hcr) - y;
-            
+
             const GLuint tw = textureObject->surface.width;
             const GLuint th = textureObject->surface.height;
             if ((uint32_t(s0+x+w) > tw) || (uint32_t(t0+y+h) > th)) {
@@ -694,7 +829,9 @@
                 // in this case, so we just use the slow case, which
                 // at least won't crash
                 goto slow_case;
-            } 
+            }
+
+            ogles_lock_textures(c);
 
             c->rasterizer.procs.texCoord2i(c, s0, t0);
             const uint32_t enables = c->rasterizer.state.enables;
@@ -706,12 +843,15 @@
             c->rasterizer.procs.disable(c, GGL_AA);
             c->rasterizer.procs.shadeModel(c, GL_FLAT);
             c->rasterizer.procs.recti(c, x, y, x+w, y+h);
+
+            ogles_unlock_textures(c);
+
             return;
         }
     }
 
 slow_case:
-    drawTexxOES(
+    drawTexxOESImp(
             gglIntToFixed(x), gglIntToFixed(y), gglIntToFixed(z),
             gglIntToFixed(w), gglIntToFixed(h),
             c);
@@ -749,7 +889,7 @@
     }
 
     // Bind or create a texture
-    sp<EGLTextureObject> tex;    
+    sp<EGLTextureObject> tex;
     if (texture == 0) {
         // 0 is our local texture object
         tex = c->textures.defaultTexture;
@@ -837,7 +977,7 @@
     if ((pname != GL_PACK_ALIGNMENT) && (pname != GL_UNPACK_ALIGNMENT)) {
         ogles_error(c, GL_INVALID_ENUM);
         return;
-    }    
+    }
     if ((param<=0 || param>8) || (param & (param-1))) {
         ogles_error(c, GL_INVALID_VALUE);
         return;
@@ -952,7 +1092,7 @@
     }
 
     // "uncompress" the texture since pixelflinger doesn't support
-    // any compressed texture format natively. 
+    // any compressed texture format natively.
     GLenum format;
     GLenum type;
     switch (internalformat) {
@@ -995,6 +1135,12 @@
     GGLSurface* surface;
     // all mipmap levels are specified at once.
     const int numLevels = level<0 ? -level : 1;
+
+    if (dataSizePalette4(numLevels, width, height, format) > imageSize) {
+        ogles_error(c, GL_INVALID_VALUE);
+        return;
+    }
+
     for (int i=0 ; i<numLevels ; i++) {
         int lod_w = (width  >> i) ? : 1;
         int lod_h = (height >> i) ? : 1;
@@ -1016,7 +1162,7 @@
         GLenum format, GLenum type, const GLvoid *pixels)
 {
     ogles_context_t* c = ogles_context_t::get();
-    if (target != GL_TEXTURE_2D && target != GL_DIRECT_TEXTURE_2D_QUALCOMM) {
+    if (target != GL_TEXTURE_2D) {
         ogles_error(c, GL_INVALID_ENUM);
         return;
     }
@@ -1024,7 +1170,7 @@
         ogles_error(c, GL_INVALID_VALUE);
         return;
     }
-    if (format != internalformat) {
+    if (format != (GLenum)internalformat) {
         ogles_error(c, GL_INVALID_OPERATION);
         return;
     }
@@ -1034,16 +1180,10 @@
 
     int32_t size = 0;
     GGLSurface* surface = 0;
-    if (target != GL_DIRECT_TEXTURE_2D_QUALCOMM) {
-        int error = createTextureSurface(c, &surface, &size,
-                level, format, type, width, height);
-        if (error) {
-            ogles_error(c, error);
-            return;
-        }
-    } else if (pixels == 0 || level != 0) {
-        // pixel can't be null for direct texture
-        ogles_error(c, GL_INVALID_OPERATION);
+    int error = createTextureSurface(c, &surface, &size,
+            level, format, type, width, height);
+    if (error) {
+        ogles_error(c, error);
         return;
     }
 
@@ -1064,18 +1204,12 @@
         userSurface.compressedFormat = 0;
         userSurface.data = (GLubyte*)pixels;
 
-        if (target != GL_DIRECT_TEXTURE_2D_QUALCOMM) {
-            int err = copyPixels(c, *surface, 0, 0, userSurface, 0, 0, width, height); 
-            if (err) {
-                ogles_error(c, err);
-                return;
-            }
-            generateMipmap(c, level);
-        } else {
-            // bind it to the texture unit
-            sp<EGLTextureObject> tex = getAndBindActiveTextureObject(c);
-            tex->setSurface(&userSurface);
+        int err = copyPixels(c, *surface, 0, 0, userSurface, 0, 0, width, height);
+        if (err) {
+            ogles_error(c, err);
+            return;
         }
+        generateMipmap(c, level);
     }
 }
 
@@ -1118,6 +1252,11 @@
         ogles_error(c, GL_INVALID_OPERATION);
         return;
     }
+
+    if (format != tex->internalformat) {
+        ogles_error(c, GL_INVALID_OPERATION);
+        return;
+    }
     if ((xoffset + width  > GLsizei(surface.width)) ||
         (yoffset + height > GLsizei(surface.height))) {
         ogles_error(c, GL_INVALID_VALUE);
@@ -1150,7 +1289,7 @@
 
     int err = copyPixels(c,
             surface, xoffset, yoffset,
-            userSurface, 0, 0, width, height); 
+            userSurface, 0, 0, width, height);
     if (err) {
         ogles_error(c, err);
         return;
@@ -1203,7 +1342,7 @@
     case GL_LUMINANCE_ALPHA:
     case GL_LUMINANCE:
         type = GL_UNSIGNED_BYTE;
-        break;    
+        break;
     }
 
     // figure out the format to use for the new texture
@@ -1213,7 +1352,7 @@
     case GGL_PIXEL_FORMAT_RGBA_5551:
     case GGL_PIXEL_FORMAT_RGBA_4444:
         format = internalformat;
-        break;    
+        break;
     case GGL_PIXEL_FORMAT_RGBX_8888:
     case GGL_PIXEL_FORMAT_RGB_888:
     case GGL_PIXEL_FORMAT_RGB_565:
@@ -1222,7 +1361,7 @@
         case GL_LUMINANCE:
         case GL_RGB:
             format = internalformat;
-            break;    
+            break;
         }
         break;
     }
@@ -1242,7 +1381,7 @@
         ogles_error(c, error);
         return;
     }
-    
+
     // The bottom row is stored first in textures
     GGLSurface txSurface(*surface);
     txSurface.stride = -txSurface.stride;
@@ -1252,7 +1391,7 @@
 
     int err = copyPixels(c,
             txSurface, 0, 0,
-            cbSurface, x, y, cbSurface.width, cbSurface.height);  
+            cbSurface, x, y, cbSurface.width, cbSurface.height);
     if (err) {
         ogles_error(c, err);
     }
@@ -1302,7 +1441,7 @@
 
     int err = copyPixels(c,
             surface, xoffset, yoffset,
-            cbSurface, x, y, width, height);  
+            cbSurface, x, y, width, height);
     if (err) {
         ogles_error(c, err);
         return;
@@ -1372,7 +1511,7 @@
         return;
     }
 
-    ggl->colorBuffer(ggl, &userSurface);  // destination is user buffer 
+    ggl->colorBuffer(ggl, &userSurface);  // destination is user buffer
     ggl->bindTexture(ggl, &readSurface);  // source is read-buffer
     ggl->texCoord2i(ggl, x, readSurface.height - (y + height));
     ggl->recti(ggl, 0, 0, width, height);
@@ -1426,3 +1565,43 @@
     ogles_context_t* c = ogles_context_t::get();
     drawTexxOES(x, y, z, w, h, c);
 }
+
+// ----------------------------------------------------------------------------
+#if 0
+#pragma mark -
+#pragma mark EGL Image Extension
+#endif
+
+void glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image)
+{
+    ogles_context_t* c = ogles_context_t::get();
+    if (target != GL_TEXTURE_2D) {
+        ogles_error(c, GL_INVALID_ENUM);
+        return;
+    }
+
+    android_native_buffer_t* native_buffer = (android_native_buffer_t*)image;
+    if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) {
+        ogles_error(c, GL_INVALID_VALUE);
+        return;
+    }
+    if (native_buffer->common.version != sizeof(android_native_buffer_t)) {
+        ogles_error(c, GL_INVALID_VALUE);
+        return;
+    }
+
+    // bind it to the texture unit
+    sp<EGLTextureObject> tex = getAndBindActiveTextureObject(c);
+    tex->setImage(native_buffer);
+
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+    tex->try_copybit = false;
+    if (c->copybits.blitEngine != NULL) {
+        tex->try_copybit = true;
+    }
+#endif // LIBAGL_USE_GRALLOC_COPYBITS
+}
+
+void glEGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image)
+{
+}
diff --git a/opengl/libagl/texture.h b/opengl/libagl/texture.h
index 5c57948..98f7550 100644
--- a/opengl/libagl/texture.h
+++ b/opengl/libagl/texture.h
@@ -32,13 +32,9 @@
 
 void ogles_init_texture(ogles_context_t* c);
 void ogles_uninit_texture(ogles_context_t* c);
-void ogles_validate_texture_impl(ogles_context_t* c);
-
-inline void ogles_validate_texture(ogles_context_t* c) {
-    if (c->rasterizer.state.enables & GGL_ENABLE_TMUS)
-        ogles_validate_texture_impl(c);
-}
-
+void ogles_validate_texture(ogles_context_t* c);
+void ogles_lock_textures(ogles_context_t* c);
+void ogles_unlock_textures(ogles_context_t* c);
 
 }; // namespace android