diff --git a/opengl/libagl/Android.mk b/opengl/libagl/Android.mk
index 99efe4c..af5a700 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		            \
@@ -32,7 +35,15 @@
     LOCAL_CFLAGS += -I$(LOCAL_PATH)/../../../../bionic/libc/private
 endif
 
-LOCAL_SHARED_LIBRARIES := libcutils libutils libpixelflinger
+ifeq ($(LIBAGL_USE_GRALLOC_COPYBITS),1)
+    LOCAL_CFLAGS += -DLIBAGL_USE_GRALLOC_COPYBITS -I$(LOCAL_PATH)/../../../../hardware/libhardware/modules/gralloc
+    LOCAL_SRC_FILES += copybit.cpp
+endif
+
+LOCAL_CFLAGS += -DLOG_TAG=\"libagl\"
+LOCAL_CFLAGS += -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES
+
+LOCAL_SHARED_LIBRARIES := libcutils libhardware libutils libpixelflinger
 LOCAL_LDLIBS := -lpthread -ldl
 LOCAL_MODULE:= libagl
 
diff --git a/opengl/libagl/TextureObjectManager.cpp b/opengl/libagl/TextureObjectManager.cpp
index ce31854..f927de9 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.
  */
 
@@ -53,6 +53,9 @@
     memset(crop_rect, 0, sizeof(crop_rect));
     generate_mipmap = GL_FALSE;
     direct = GL_FALSE;
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+    copybits_fd = -1;
+#endif // LIBAGL_USE_GRALLOC_COPYBITS
 }
 
 void EGLTextureObject::copyParameters(const sp<EGLTextureObject>& old)
@@ -146,7 +149,7 @@
         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 +180,9 @@
                 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)
diff --git a/opengl/libagl/TextureObjectManager.h b/opengl/libagl/TextureObjectManager.h
index 74ed1a4..497528c 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.
 */
 
@@ -81,6 +81,9 @@
     GLint               crop_rect[4];
     GLint               generate_mipmap;
     GLint               direct;
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+    int                 copybits_fd;
+#endif // LIBAGL_USE_GRALLOC_COPYBITS
 };
 
 void EGLTextureObject::incStrong(const void* id) const {
diff --git a/opengl/libagl/array.cpp b/opengl/libagl/array.cpp
index 8fa7566..eefe614 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 (drawTrangleFanWithCopybit(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;
@@ -981,17 +990,17 @@
     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]);
@@ -1019,7 +1028,7 @@
 #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++)
@@ -1082,10 +1091,10 @@
     // 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) {
@@ -1116,7 +1125,7 @@
     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);
@@ -1135,18 +1144,18 @@
 
     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) {
@@ -1409,7 +1418,7 @@
     // 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) {
@@ -1444,7 +1453,7 @@
             return;
         }
     }
-    ((target == GL_ARRAY_BUFFER) ? 
+    ((target == GL_ARRAY_BUFFER) ?
             c->arrays.array_buffer : c->arrays.element_array_buffer) = bo;
 }
 
@@ -1463,7 +1472,7 @@
         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) {
@@ -1493,7 +1502,7 @@
         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) {
@@ -1541,7 +1550,7 @@
                 }
             }
         }
-    }    
+    }
     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..427e42a
--- /dev/null
+++ b/opengl/libagl/copybit.cpp
@@ -0,0 +1,370 @@
+/*
+**
+** 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 "gralloc_priv.h"
+
+// ----------------------------------------------------------------------------
+
+namespace android {
+
+static void textureToCopyBitImage(const GGLSurface* surface, int fd, copybit_image_t* img) {
+    img->w      = surface->stride;
+    img->h      = surface->height;
+    img->format = surface->format;
+    img->offset = 0;
+    img->base   = surface->data;
+    img->fd     = fd;
+}
+
+struct clipRectRegion : public copybit_region_t {
+    clipRectRegion(ogles_context_t* c) {
+        next = iterate;
+        int x = c->viewport.scissor.x;
+        int y = c->viewport.scissor.y;
+        r.l = x;
+        r.t = y;
+        r.r = x + c->viewport.scissor.w;
+        r.b = y + c->viewport.scissor.h;
+        firstTime = true;
+    }
+private:
+    static int iterate(copybit_region_t const * self, copybit_rect_t* rect) {
+        clipRectRegion* myself = (clipRectRegion*) self;
+        if (myself->firstTime) {
+            myself->firstTime = false;
+            *rect = myself->r;
+            return 1;
+        }
+        return 0;
+    }
+    mutable copybit_rect_t r;
+    mutable bool firstTime;
+};
+
+static bool supportedCopybitsFormat(int format) {
+    switch (format) {
+    case COPYBIT_FORMAT_RGBA_8888:
+    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 convenction copybitQuickCheckContext() has already returned true.
+	// avoid checking the same information again.
+	
+    if (c->copybits.blitEngine == NULL
+            || (c->rasterizer.state.enables
+                    & (GGL_ENABLE_DEPTH_TEST|GGL_ENABLE_FOG)) != 0) {
+        return false;
+    }
+
+    // Note: The drawSurfaceFd 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)) {
+        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)
+{
+    // 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];
+
+    int32_t dsdx = (Wcr << 16) / w;   // dsdx =  ((Wcr/w)/Wt)*Wt
+    int32_t dtdy = ((-Hcr) <<  16) / h;   // dtdy = -((Hcr/h)/Ht)*Ht
+
+    if (dsdx < c->copybits.minScale || dsdx > c->copybits.maxScale
+            || dtdy < c->copybits.minScale || dtdy > c->copybits.maxScale) {
+        // The requested scale is out of the range the hardware
+        // can support.
+        return false;
+    }
+
+    int32_t texelArea = gglMulx(dtdy, dsdx);
+    if (texelArea < FIXED_ONE && textureObject->mag_filter != GL_LINEAR) {
+        // Non-linear filtering on a texture enlargement.
+        return false;
+    }
+
+    if (texelArea > FIXED_ONE && textureObject->min_filter != GL_LINEAR) {
+        // Non-linear filtering on an texture shrink.
+        return false;
+    }
+
+    const uint32_t enables = c->rasterizer.state.enables;
+    int planeAlpha = 255;
+    static const int tmu = 0;
+    texture_t& tev(c->rasterizer.state.texture[tmu]);
+    bool srcTextureHasAlpha = hasAlpha(textureObject->surface.format);
+    switch (tev.env) {
+
+    case GGL_REPLACE:
+        if (!srcTextureHasAlpha) {
+            planeAlpha = fixedToByte(c->currentColorClamped.a);
+        }
+        break;
+
+    case GGL_MODULATE:
+        if (! (c->currentColorClamped.r == FIXED_ONE
+                && c->currentColorClamped.g == FIXED_ONE
+                && c->currentColorClamped.b == FIXED_ONE)) {
+            return false;
+        }
+        planeAlpha = fixedToByte(c->currentColorClamped.a);
+        break;
+
+    default:
+        // Incompatible texture environment.
+        return false;
+    }
+
+    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.
+            return false;
+        }
+        blending = true;
+    } else {
+        // No blending is OK if we are not using alpha.
+        if (srcTextureHasAlpha || planeAlpha != 255) {
+            // Incompatible alpha
+            return false;
+        }
+    }
+
+    if (srcTextureHasAlpha && planeAlpha != 255) {
+        // Can't do two types of alpha at once.
+        return false;
+    }
+
+    // LOGW("calling copybits");
+
+    copybit_device_t* copybit = c->copybits.blitEngine;
+    copybit_image_t dst;
+    textureToCopyBitImage(&cbSurface, c->copybits.drawSurfaceFd, &dst);
+    copybit_rect_t drect = {x, y, x+w, y+h};
+
+    copybit_image_t src;
+    textureToCopyBitImage(&textureObject->surface, textureObject->copybits_fd,
+            &src);
+    copybit_rect_t srect = { Ucr, Vcr + Hcr, Ucr + Wcr, Vcr };
+
+    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);
+    copybit->stretch(copybit, &dst, &src, &drect, &srect, &it);
+    return true;
+}
+
+/*
+ * Try to draw a triangle fan with copybit, return false if we fail.
+ */
+bool drawTrangleFanWithCopybit_impl(ogles_context_t* c, GLint first, GLsizei count) {
+    if (! checkContext(c)) {
+        return false;
+    }
+
+    c->arrays.compileElements(c, c->vc.vBuffer, 0, 4);
+    // Is the result a screen aligned rectangle?
+    int sx[4];
+    int sy[4];
+    for (int i = 0; i < 4; i++) {
+        GLfixed x = c->vc.vBuffer[i].window.x;
+        GLfixed y = c->vc.vBuffer[i].window.y;
+        if (x < 0 || y < 0 || (x & 0xf) != 0 || (y & 0xf) != 0) {
+            return false;
+        }
+        sx[i] = x >> 4;
+        sy[i] = y >> 4;
+    }
+
+    /*
+     * This is the pattern we're looking for:
+     *    (2)--(3)
+     *     |\   |
+     *     | \  |
+     *     |  \ |
+     *     |   \|
+     *    (1)--(0)
+     *
+     */
+    int dx[4];
+    int dy[4];
+    for (int i = 0; i < 4; i++) {
+        int i1 = (i + 1) & 3;
+        dx[i] = sx[i] - sx[i1];
+        dy[i] = sy[i] - sy[i1];
+    }
+    if (dx[1] | dx[3] | dy[0] | dy[2]) {
+        return false;
+    }
+    if (dx[0] != -dx[2] || dy[1] != -dy[3]) {
+        return false;
+    }
+
+    int x = sx[1];
+    int y = sy[1];
+    int w = dx[0];
+    int h = dy[3];
+
+    // We expect the texture coordinates to always be the unit square:
+
+    static const GLfixed kExpectedUV[8] = {
+        0, 0,
+        0, FIXED_ONE,
+        FIXED_ONE, FIXED_ONE,
+        FIXED_ONE, 0
+    };
+    {
+        const GLfixed* pExpected = &kExpectedUV[0];
+        for (int i = 0; i < 4; i++) {
+            GLfixed u = c->vc.vBuffer[i].texture[0].x;
+            GLfixed v = c->vc.vBuffer[i].texture[0].y;
+            if (u != *pExpected++ || v != *pExpected++) {
+                return false;
+            }
+        }
+    }
+
+    static const int tmu = 0;
+    texture_unit_t& u(c->textures.tmu[tmu]);
+    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,
+            COPYBIT_TRANSFORM_ROT_90, 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;
+    }
+
+    static const int tmu = 0;
+    texture_unit_t& u(c->textures.tmu[tmu]);
+    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..1888aee
--- /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 drawTrangleFanWithCopybit_impl(ogles_context_t* c, GLint first,
+        GLsizei count);
+
+inline bool copybitQuickCheckContext(ogles_context_t* c) {
+        return  c->copybits.drawSurfaceFd >= 0
+            && c->rasterizer.state.enabled_tmu == 1
+            && c->textures.tmu[0].texture->copybits_fd >= 0;
+}
+
+/*
+ * 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 drawTrangleFanWithCopybit(ogles_context_t* c, GLint first,
+        GLsizei count) {
+    /*
+     * We are looking for the glDrawArrays call made by SurfaceFlinger.
+     */
+
+    if (!(copybitQuickCheckContext(c) && first == 0 && count == 4)) {
+        return false;
+    }
+    
+    return drawTrangleFanWithCopybit_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 3b4c041..5c91c92 100644
--- a/opengl/libagl/egl.cpp
+++ b/opengl/libagl/egl.cpp
@@ -1,22 +1,20 @@
-/* 
+/*
 **
 ** Copyright 2007 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.
 */
 
-#define LOG_TAG "EGL"
-
 #include <assert.h>
 #include <errno.h>
 #include <stdlib.h>
@@ -35,6 +33,7 @@
 
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
+#include <EGL/android_natives.h>
 #include <GLES/gl.h>
 #include <GLES/glext.h>
 
@@ -46,6 +45,10 @@
 #include "texture.h"
 #include "matrix.h"
 
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+#include "gralloc_priv.h"
+#endif // LIBAGL_USE_GRALLOC_COPYBITS
+
 #undef NELEM
 #define NELEM(x) (sizeof(x)/sizeof(*(x)))
 
@@ -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;
     }
@@ -140,7 +143,7 @@
                 egl_surface_t(EGLDisplay dpy, EGLConfig config, int32_t depthFormat);
     virtual     ~egl_surface_t();
     virtual     bool    isValid() const = 0;
-    
+
     virtual     EGLBoolean  bindDrawSurface(ogles_context_t* gl) = 0;
     virtual     EGLBoolean  bindReadSurface(ogles_context_t* gl) = 0;
     virtual     EGLint      getWidth() const = 0;
@@ -188,39 +191,48 @@
 
 // ----------------------------------------------------------------------------
 
-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        isValid() const { return nativeWindow->common.magic == ANDROID_NATIVE_WINDOW_MAGIC; }
     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     EGLint      getWidth() const    { return buffer->width;  }
+    virtual     EGLint      getHeight() const   { return buffer->height; }
     virtual     void*       getBits() const;
     virtual     EGLint      getHorizontalResolution() const;
     virtual     EGLint      getVerticalResolution() const;
     virtual     EGLint      getRefreshRate() const;
     virtual     EGLint      getSwapBehavior() const;
 private:
-    egl_native_window_t*    nativeWindow;
+    android_native_window_t*   nativeWindow;
+    android_native_buffer_t*   buffer;
+    int width;
+    int height;
 };
 
-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)
 {
+    nativeWindow->common.incRef(&nativeWindow->common);
+
+    nativeWindow->dequeueBuffer(nativeWindow, &buffer);
+    
+    width = buffer->width;
+    height = buffer->height;
     if (depthFormat) {
-        depth.width   = window->width;
-        depth.height  = window->height;
+        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) {
@@ -228,23 +240,56 @@
             return;
         }
     }
-    nativeWindow->incRef(nativeWindow);
-}
-egl_window_surface_t::~egl_window_surface_t() {
-    nativeWindow->decRef(nativeWindow);
+
+    // TODO: lockBuffer should rather be executed when the very first
+    // direct rendering occurs.    
+    buffer->common.incRef(&buffer->common);
+    nativeWindow->lockBuffer(nativeWindow, buffer);
+
+    // FIXME: we need to gralloc lock the buffer
+    // FIXME: we need to handle the copy-back if needed, but
+    // for now we're a "non preserving" implementation.
 }
 
-EGLBoolean egl_window_surface_t::swapBuffers()
+egl_window_surface_v2_t::~egl_window_surface_v2_t() {
+    if (buffer) {
+        buffer->common.decRef(&buffer->common);
+    }
+    nativeWindow->common.decRef(&nativeWindow->common);
+}
+
+EGLBoolean egl_window_surface_v2_t::swapBuffers()
 {
-    uint32_t flags = nativeWindow->swapBuffers(nativeWindow);
-    if (flags & EGL_NATIVES_FLAG_SIZE_CHANGED) {
+    // TODO: this is roughly the code needed for preserving the back buffer
+    // efficiently. dirty is the area that has been modified.
+    //Region newDirty(dirty);
+    //newDirty.andSelf(Rect(nativeWindow->width, nativeWindow->height));
+    //mDirty = newDirty;
+    //const Region copyback(mDirty.subtract(newDirty));
+    //mDisplaySurface->copyFrontToBack(copyback);
+
+    
+    nativeWindow->queueBuffer(nativeWindow, buffer);
+    buffer->common.decRef(&buffer->common); buffer = 0;
+
+    nativeWindow->dequeueBuffer(nativeWindow, &buffer);
+    buffer->common.incRef(&buffer->common);
+
+    // TODO: lockBuffer should rather be executed when the very first
+    // direct rendering occurs.
+    nativeWindow->lockBuffer(nativeWindow, buffer);
+
+    
+    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);
@@ -255,49 +300,81 @@
     return EGL_TRUE;
 }
 
-EGLBoolean egl_window_surface_t::bindDrawSurface(ogles_context_t* gl)
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+
+static bool supportedCopybitsDestinationFormat(int format) {
+    // Hardware supported and no destination alpha
+    switch (format) {
+    case HAL_PIXEL_FORMAT_RGB_565:
+    case HAL_PIXEL_FORMAT_YCbCr_422_SP:
+    case HAL_PIXEL_FORMAT_YCbCr_420_SP:
+        return true;
+    default:
+        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*)this->buffer->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.drawSurfaceFd = -1;
+    if (supportedCopybitsDestinationFormat(buffer.format)) {
+        buffer_handle_t handle;
+        this->buffer->getHandle(this->buffer, &handle);
+        if (handle != NULL) {
+            private_handle_t* hand = private_handle_t::dynamicCast(handle);
+            if (hand != NULL) {
+                if (hand->usesPhysicallyContiguousMemory()) {
+                    gl->copybits.drawSurfaceFd = hand->fd;
+                }
+            }
+        }
+    }
+#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*)this->buffer->bits;
+    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;
+void* egl_window_surface_v2_t::getBits() const {
+    return (GGLubyte*)buffer->bits;
 }
-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 {
+    //uint32_t flags = nativeWindow->flags;
+    //if (flags & SURFACE_FLAG_PRESERVE_CONTENT)
+    //    return EGL_BUFFER_PRESERVED;
+    // This is now a feature of EGL, currently we don't preserve
+    // the content of the buffers.
+    return EGL_BUFFER_DESTROYED;
 }
 
 // ----------------------------------------------------------------------------
@@ -311,7 +388,7 @@
 
     virtual ~egl_pixmap_surface_t() { }
 
-    virtual     bool        isValid() const { return nativePixmap.version == sizeof(egl_native_pixmap_t); }    
+    virtual     bool        isValid() const { return nativePixmap.version == sizeof(egl_native_pixmap_t); }
     virtual     EGLBoolean  bindDrawSurface(ogles_context_t* gl);
     virtual     EGLBoolean  bindReadSurface(ogles_context_t* gl);
     virtual     EGLint      getWidth() const    { return nativePixmap.width;  }
@@ -347,7 +424,7 @@
     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);
@@ -376,7 +453,7 @@
 
     virtual ~egl_pbuffer_surface_t();
 
-    virtual     bool        isValid() const { return pbuffer.data != 0; }    
+    virtual     bool        isValid() 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;  }
@@ -407,7 +484,7 @@
     pbuffer.stride  = w;
     pbuffer.data    = (GGLubyte*)malloc(size);
     pbuffer.format  = f;
-    
+
     if (depthFormat) {
         depth.width   = pbuffer.width;
         depth.height  = pbuffer.height;
@@ -468,7 +545,11 @@
 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 =
+        "KHR_image_base "
+        // "KHR_image_pixmap "
+        "EGL_ANDROID_image_native_buffer "
+        ;
 
 // ----------------------------------------------------------------------------
 
@@ -478,25 +559,45 @@
 };
 
 static const extention_map_t gExtentionMap[] = {
-    { "glDrawTexsOES",              (void(*)())&glDrawTexsOES },
-    { "glDrawTexiOES",              (void(*)())&glDrawTexiOES },
-    { "glDrawTexfOES",              (void(*)())&glDrawTexfOES },
-    { "glDrawTexxOES",              (void(*)())&glDrawTexxOES },
-    { "glDrawTexsvOES",             (void(*)())&glDrawTexsvOES },
-    { "glDrawTexivOES",             (void(*)())&glDrawTexivOES },
-    { "glDrawTexfvOES",             (void(*)())&glDrawTexfvOES },
-    { "glDrawTexxvOES",             (void(*)())&glDrawTexxvOES },
-    { "glQueryMatrixxOES",          (void(*)())&glQueryMatrixxOES },
-    { "glClipPlanef",               (void(*)())&glClipPlanef },
-    { "glClipPlanex",               (void(*)())&glClipPlanex },
-    { "glBindBuffer",               (void(*)())&glBindBuffer },
-    { "glBufferData",               (void(*)())&glBufferData },
-    { "glBufferSubData",            (void(*)())&glBufferSubData },
-    { "glDeleteBuffers",            (void(*)())&glDeleteBuffers },
-    { "glGenBuffers",               (void(*)())&glGenBuffers },
+    { "glDrawTexsOES",
+            (__eglMustCastToProperFunctionPointerType)&glDrawTexsOES },
+    { "glDrawTexiOES",
+            (__eglMustCastToProperFunctionPointerType)&glDrawTexiOES },
+    { "glDrawTexfOES",
+            (__eglMustCastToProperFunctionPointerType)&glDrawTexfOES },
+    { "glDrawTexxOES",
+            (__eglMustCastToProperFunctionPointerType)&glDrawTexxOES },
+    { "glDrawTexsvOES",
+            (__eglMustCastToProperFunctionPointerType)&glDrawTexsvOES },
+    { "glDrawTexivOES",
+            (__eglMustCastToProperFunctionPointerType)&glDrawTexivOES },
+    { "glDrawTexfvOES",
+            (__eglMustCastToProperFunctionPointerType)&glDrawTexfvOES },
+    { "glDrawTexxvOES",
+            (__eglMustCastToProperFunctionPointerType)&glDrawTexxvOES },
+    { "glQueryMatrixxOES",
+            (__eglMustCastToProperFunctionPointerType)&glQueryMatrixxOES },
+    { "glEGLImageTargetTexture2DOES",
+            (__eglMustCastToProperFunctionPointerType)&glEGLImageTargetTexture2DOES },
+    { "glEGLImageTargetRenderbufferStorageOES",
+            (__eglMustCastToProperFunctionPointerType)&glEGLImageTargetRenderbufferStorageOES },
+    { "glClipPlanef",
+            (__eglMustCastToProperFunctionPointerType)&glClipPlanef },
+    { "glClipPlanex",
+            (__eglMustCastToProperFunctionPointerType)&glClipPlanex },
+    { "glBindBuffer",
+            (__eglMustCastToProperFunctionPointerType)&glBindBuffer },
+    { "glBufferData",
+            (__eglMustCastToProperFunctionPointerType)&glBufferData },
+    { "glBufferSubData",
+            (__eglMustCastToProperFunctionPointerType)&glBufferSubData },
+    { "glDeleteBuffers",
+            (__eglMustCastToProperFunctionPointerType)&glDeleteBuffers },
+    { "glGenBuffers",
+            (__eglMustCastToProperFunctionPointerType)&glGenBuffers },
 };
 
-/* 
+/*
  * In the lists below, attributes names MUST be sorted.
  * Additionally, all configs must be sorted according to
  * the EGL specification.
@@ -507,7 +608,7 @@
         { 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                          },
@@ -644,9 +745,9 @@
 {
    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;
@@ -658,13 +759,13 @@
 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,
@@ -778,28 +879,28 @@
     int32_t depthFormat;
     int32_t pixelFormat;
     switch(configID) {
-    case 0: 
-        pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 
+    case 0:
+        pixelFormat = GGL_PIXEL_FORMAT_RGB_565;
         depthFormat = 0;
         break;
     case 1:
-        pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 
+        pixelFormat = GGL_PIXEL_FORMAT_RGB_565;
         depthFormat = GGL_PIXEL_FORMAT_Z_16;
         break;
     case 2:
-        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 
+        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888;
         depthFormat = 0;
         break;
     case 3:
-        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 
+        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888;
         depthFormat = GGL_PIXEL_FORMAT_Z_16;
         break;
     case 4:
-        pixelFormat = GGL_PIXEL_FORMAT_A_8; 
+        pixelFormat = GGL_PIXEL_FORMAT_A_8;
         depthFormat = 0;
         break;
     case 5:
-        pixelFormat = GGL_PIXEL_FORMAT_A_8; 
+        pixelFormat = GGL_PIXEL_FORMAT_A_8;
         depthFormat = GGL_PIXEL_FORMAT_Z_16;
         break;
     default:
@@ -812,9 +913,9 @@
     //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()) {
         // there was a problem in the ctor, the error
@@ -847,28 +948,28 @@
     int32_t depthFormat;
     int32_t pixelFormat;
     switch(configID) {
-    case 0: 
-        pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 
+    case 0:
+        pixelFormat = GGL_PIXEL_FORMAT_RGB_565;
         depthFormat = 0;
         break;
     case 1:
-        pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 
+        pixelFormat = GGL_PIXEL_FORMAT_RGB_565;
         depthFormat = GGL_PIXEL_FORMAT_Z_16;
         break;
     case 2:
-        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 
+        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888;
         depthFormat = 0;
         break;
     case 3:
-        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 
+        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888;
         depthFormat = GGL_PIXEL_FORMAT_Z_16;
         break;
     case 4:
-        pixelFormat = GGL_PIXEL_FORMAT_A_8; 
+        pixelFormat = GGL_PIXEL_FORMAT_A_8;
         depthFormat = 0;
         break;
     case 5:
-        pixelFormat = GGL_PIXEL_FORMAT_A_8; 
+        pixelFormat = GGL_PIXEL_FORMAT_A_8;
         depthFormat = GGL_PIXEL_FORMAT_Z_16;
         break;
     default:
@@ -900,10 +1001,10 @@
     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;
@@ -911,28 +1012,28 @@
     int32_t depthFormat;
     int32_t pixelFormat;
     switch(configID) {
-    case 0: 
-        pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 
+    case 0:
+        pixelFormat = GGL_PIXEL_FORMAT_RGB_565;
         depthFormat = 0;
         break;
     case 1:
-        pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 
+        pixelFormat = GGL_PIXEL_FORMAT_RGB_565;
         depthFormat = GGL_PIXEL_FORMAT_Z_16;
         break;
     case 2:
-        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 
+        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888;
         depthFormat = 0;
         break;
     case 3:
-        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 
+        pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888;
         depthFormat = GGL_PIXEL_FORMAT_Z_16;
         break;
     case 4:
-        pixelFormat = GGL_PIXEL_FORMAT_A_8; 
+        pixelFormat = GGL_PIXEL_FORMAT_A_8;
         depthFormat = 0;
         break;
     case 5:
-        pixelFormat = GGL_PIXEL_FORMAT_A_8; 
+        pixelFormat = GGL_PIXEL_FORMAT_A_8;
         depthFormat = GGL_PIXEL_FORMAT_Z_16;
         break;
     default:
@@ -985,7 +1086,7 @@
         egl_display_t& d = egl_display_t::get_display(dpy);
         d.type = display;
         return dpy;
-    }    
+    }
     return EGL_NO_DISPLAY;
 }
 
@@ -993,10 +1094,10 @@
 {
     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);
@@ -1064,7 +1165,7 @@
         *num_config = 0;
         return EGL_TRUE;
     }
-    
+
     int numAttributes = 0;
     int numConfigs =  NELEM(gConfigs);
     uint32_t possibleMatch = (1<<numConfigs)-1;
@@ -1145,7 +1246,7 @@
 {
     return createWindowSurface(dpy, config, window, attrib_list);
 }
-    
+
 EGLSurface eglCreatePixmapSurface(  EGLDisplay dpy, EGLConfig config,
                                     NativePixmapType pixmap,
                                     const EGLint *attrib_list)
@@ -1158,7 +1259,7 @@
 {
     return createPbufferSurface(dpy, config, attrib_list);
 }
-                                    
+
 EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface eglSurface)
 {
     if (egl_display_t::is_valid(dpy) == EGL_FALSE)
@@ -1228,7 +1329,7 @@
             *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);
@@ -1278,7 +1379,7 @@
     }
 
     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);
 
@@ -1299,6 +1400,8 @@
         }
     }
 
+    // TODO: call connect / disconnect on the surface
+
     ogles_context_t* gl = (ogles_context_t*)ctx;
     if (makeCurrent(gl) == 0) {
         if (ctx) {
@@ -1407,7 +1510,7 @@
 {
     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->dpy != dpy)
         return setError(EGL_BAD_DISPLAY, EGL_FALSE);
@@ -1540,7 +1643,7 @@
 }
 
 // ----------------------------------------------------------------------------
-// Android extensions
+// EGL_EGLEXT_VERSION 3
 // ----------------------------------------------------------------------------
 
 void (*eglGetProcAddress (const char *procname))()
@@ -1553,3 +1656,81 @@
     }
     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);
+
+    hw_module_t const* pModule;
+    if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &pModule))
+        return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);
+    buffer_handle_t bufferHandle;
+    gralloc_module_t const* module =
+        reinterpret_cast<gralloc_module_t const*>(pModule);
+    if (native_buffer->getHandle(native_buffer, &bufferHandle) < 0)
+        return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);
+    if (module->map(module, bufferHandle, &native_buffer->bits) < 0)
+        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);
+
+    hw_module_t const* pModule;
+    if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &pModule) == 0) {
+        buffer_handle_t bufferHandle;
+        gralloc_module_t const* module =
+            reinterpret_cast<gralloc_module_t const*>(pModule);
+        if (native_buffer->getHandle(native_buffer, &bufferHandle) == 0) {
+            module->unmap(module, bufferHandle);
+        }
+    }
+
+    native_buffer->common.decRef(&native_buffer->common);
+
+    return EGL_TRUE;
+}
diff --git a/opengl/libagl/state.cpp b/opengl/libagl/state.cpp
index 5cbabea..a00f779 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.drawSurfaceFd = -1;
+
+#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 b6f534b..9dca133 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 +23,13 @@
 #include "texture.h"
 #include "TextureObjectManager.h"
 
+#include <EGL/android_natives.h>
+
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+#include "copybit.h"
+#include "gralloc_priv.h"
+#endif // LIBAGL_USE_GRALLOC_COPYBITS
+
 namespace android {
 
 // ----------------------------------------------------------------------------
@@ -48,7 +55,7 @@
     // 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);
@@ -255,7 +262,7 @@
         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 +280,7 @@
     u.texture = tex.get();
     u.texture->incStrong(c);
     u.name = name;
-    invalidate_texture(c, active);    
+    invalidate_texture(c, active);
     return tex;
 }
 
@@ -282,7 +289,7 @@
 {
     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 +317,7 @@
     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;
@@ -530,8 +537,8 @@
         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) ||
@@ -581,13 +588,10 @@
 }
 
 
-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;                
-
     const GGLSurface& cbSurface = c->rasterizer.state.buffers.color.s;
     y = gglIntToFixed(cbSurface.height) - (y + h);
     w >>= FIXED_BITS;
@@ -610,7 +614,7 @@
                 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;
@@ -641,13 +645,30 @@
     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);
 }
 
+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)
 {
     // All coordinates are integer, so if we have only one
@@ -656,14 +677,21 @@
     // 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 +707,14 @@
                     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 +722,7 @@
                 // in this case, so we just use the slow case, which
                 // at least won't crash
                 goto slow_case;
-            } 
+            }
 
             c->rasterizer.procs.texCoord2i(c, s0, t0);
             const uint32_t enables = c->rasterizer.state.enables;
@@ -711,7 +739,7 @@
     }
 
 slow_case:
-    drawTexxOES(
+    drawTexxOESImp(
             gglIntToFixed(x), gglIntToFixed(y), gglIntToFixed(z),
             gglIntToFixed(w), gglIntToFixed(h),
             c);
@@ -749,7 +777,7 @@
     }
 
     // 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 +865,7 @@
     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;
@@ -945,7 +973,7 @@
     }
 
     // "uncompress" the texture since pixelflinger doesn't support
-    // any compressed texture format natively. 
+    // any compressed texture format natively.
     GLenum format;
     GLenum type;
     switch (internalformat) {
@@ -1009,7 +1037,7 @@
         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;
     }
@@ -1017,7 +1045,7 @@
         ogles_error(c, GL_INVALID_VALUE);
         return;
     }
-    if (format != internalformat) {
+    if (format != (GLenum)internalformat) {
         ogles_error(c, GL_INVALID_OPERATION);
         return;
     }
@@ -1027,16 +1055,10 @@
 
     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;
     }
 
@@ -1057,18 +1079,12 @@
         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);
     }
 }
 
@@ -1143,7 +1159,7 @@
 
     int err = copyPixels(c,
             surface, xoffset, yoffset,
-            userSurface, 0, 0, width, height); 
+            userSurface, 0, 0, width, height);
     if (err) {
         ogles_error(c, err);
         return;
@@ -1196,7 +1212,7 @@
     case GL_LUMINANCE_ALPHA:
     case GL_LUMINANCE:
         type = GL_UNSIGNED_BYTE;
-        break;    
+        break;
     }
 
     // figure out the format to use for the new texture
@@ -1206,7 +1222,7 @@
     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:
@@ -1215,7 +1231,7 @@
         case GL_LUMINANCE:
         case GL_RGB:
             format = internalformat;
-            break;    
+            break;
         }
         break;
     }
@@ -1235,7 +1251,7 @@
         ogles_error(c, error);
         return;
     }
-    
+
     // The bottom row is stored first in textures
     GGLSurface txSurface(*surface);
     txSurface.stride = -txSurface.stride;
@@ -1245,7 +1261,7 @@
 
     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);
     }
@@ -1295,7 +1311,7 @@
 
     int err = copyPixels(c,
             surface, xoffset, yoffset,
-            cbSurface, x, y, width, height);  
+            cbSurface, x, y, width, height);
     if (err) {
         ogles_error(c, err);
         return;
@@ -1365,7 +1381,7 @@
         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);
@@ -1419,3 +1435,73 @@
     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;
+    }
+
+    if (native_buffer->bits == NULL) {
+        // this buffer cannot be used with this implementation
+        ogles_error(c, GL_INVALID_VALUE);
+        return;
+    }
+
+    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  = (GGLubyte*)native_buffer->bits;
+
+    // bind it to the texture unit
+    sp<EGLTextureObject> tex = getAndBindActiveTextureObject(c);
+    tex->setSurface(&sur);
+
+    /*
+     * Here an implementation can retrieve the buffer_handle_t of this buffer
+     * which gives it access to an arbitrary-defined kernel resource
+     * (or anything else for that matter).
+     * There needs to be an intimate knowledge between GLES and buffer_handle_t,
+     * so make sure to validate the handle before using it.
+     * Typically, buffer_handle_t comes from the gralloc HAL which is provided
+     * by the implementor of GLES.
+     *
+     */
+#ifdef LIBAGL_USE_GRALLOC_COPYBITS
+    tex->copybits_fd = -1;
+    buffer_handle_t handle;
+    if (native_buffer->getHandle(native_buffer, &handle) == 0) {
+        private_handle_t* hand;
+        if ((hand = private_handle_t::dynamicCast(handle)) != NULL) {
+            if (hand->usesPhysicallyContiguousMemory()) {
+                tex->copybits_fd = hand->fd;
+            }
+        }
+    }
+#endif // LIBAGL_USE_GRALLOC_COPYBITS
+}
+
+void glEGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image)
+{
+}