Native activity now draws!

Very simple and dumb, but we now get touch events and fill the window with a color (using OpenGL) based on its location. Change-Id: I6657d2bb013570238bc0fe639f33c59f1ab68872
2010-07-01 18:47:16 -07:00
parent 88510488e9
commit 2b352d76d8
11 changed files with 1020 additions and 23 deletions
--- a/ndk/platforms/android-9/arch-arm/usr/include/EGL/egl.h
+++ b/ndk/platforms/android-9/arch-arm/usr/include/EGL/egl.h
@@ -0,0 +1,329 @@
+/* -*- mode: c; tab-width: 8; -*- */
+/* vi: set sw=4 ts=8: */
+/* Reference version of egl.h for EGL 1.4.
+ * $Revision: 9356 $ on $Date: 2009-10-21 02:52:25 -0700 (Wed, 21 Oct 2009) $
+ */
+
+/*
+** Copyright (c) 2007-2009 The Khronos Group Inc.
+**
+** Permission is hereby granted, free of charge, to any person obtaining a
+** copy of this software and/or associated documentation files (the
+** "Materials"), to deal in the Materials without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Materials, and to
+** permit persons to whom the Materials are furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be included
+** in all copies or substantial portions of the Materials.
+**
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+*/
+
+#ifndef __egl_h_
+#define __egl_h_
+
+/* All platform-dependent types and macro boilerplate (such as EGLAPI
+ * and EGLAPIENTRY) should go in eglplatform.h.
+ */
+#include <EGL/eglplatform.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* EGL Types */
+/* EGLint is defined in eglplatform.h */
+typedef unsigned int EGLBoolean;
+typedef unsigned int EGLenum;
+typedef void *EGLConfig;
+typedef void *EGLContext;
+typedef void *EGLDisplay;
+typedef void *EGLSurface;
+typedef void *EGLClientBuffer;
+
+/* EGL Versioning */
+#define EGL_VERSION_1_0			1
+#define EGL_VERSION_1_1			1
+#define EGL_VERSION_1_2			1
+#define EGL_VERSION_1_3			1
+#define EGL_VERSION_1_4			1
+
+/* EGL Enumerants. Bitmasks and other exceptional cases aside, most
+ * enums are assigned unique values starting at 0x3000.
+ */
+
+/* EGL aliases */
+#define EGL_FALSE			0
+#define EGL_TRUE			1
+
+/* Out-of-band handle values */
+#define EGL_DEFAULT_DISPLAY		((EGLNativeDisplayType)0)
+#define EGL_NO_CONTEXT			((EGLContext)0)
+#define EGL_NO_DISPLAY			((EGLDisplay)0)
+#define EGL_NO_SURFACE			((EGLSurface)0)
+
+/* Out-of-band attribute value */
+#define EGL_DONT_CARE			((EGLint)-1)
+
+/* Errors / GetError return values */
+#define EGL_SUCCESS			0x3000
+#define EGL_NOT_INITIALIZED		0x3001
+#define EGL_BAD_ACCESS			0x3002
+#define EGL_BAD_ALLOC			0x3003
+#define EGL_BAD_ATTRIBUTE		0x3004
+#define EGL_BAD_CONFIG			0x3005
+#define EGL_BAD_CONTEXT			0x3006
+#define EGL_BAD_CURRENT_SURFACE		0x3007
+#define EGL_BAD_DISPLAY			0x3008
+#define EGL_BAD_MATCH			0x3009
+#define EGL_BAD_NATIVE_PIXMAP		0x300A
+#define EGL_BAD_NATIVE_WINDOW		0x300B
+#define EGL_BAD_PARAMETER		0x300C
+#define EGL_BAD_SURFACE			0x300D
+#define EGL_CONTEXT_LOST		0x300E	/* EGL 1.1 - IMG_power_management */
+
+/* Reserved 0x300F-0x301F for additional errors */
+
+/* Config attributes */
+#define EGL_BUFFER_SIZE			0x3020
+#define EGL_ALPHA_SIZE			0x3021
+#define EGL_BLUE_SIZE			0x3022
+#define EGL_GREEN_SIZE			0x3023
+#define EGL_RED_SIZE			0x3024
+#define EGL_DEPTH_SIZE			0x3025
+#define EGL_STENCIL_SIZE		0x3026
+#define EGL_CONFIG_CAVEAT		0x3027
+#define EGL_CONFIG_ID			0x3028
+#define EGL_LEVEL			0x3029
+#define EGL_MAX_PBUFFER_HEIGHT		0x302A
+#define EGL_MAX_PBUFFER_PIXELS		0x302B
+#define EGL_MAX_PBUFFER_WIDTH		0x302C
+#define EGL_NATIVE_RENDERABLE		0x302D
+#define EGL_NATIVE_VISUAL_ID		0x302E
+#define EGL_NATIVE_VISUAL_TYPE		0x302F
+#define EGL_SAMPLES			0x3031
+#define EGL_SAMPLE_BUFFERS		0x3032
+#define EGL_SURFACE_TYPE		0x3033
+#define EGL_TRANSPARENT_TYPE		0x3034
+#define EGL_TRANSPARENT_BLUE_VALUE	0x3035
+#define EGL_TRANSPARENT_GREEN_VALUE	0x3036
+#define EGL_TRANSPARENT_RED_VALUE	0x3037
+#define EGL_NONE			0x3038	/* Attrib list terminator */
+#define EGL_BIND_TO_TEXTURE_RGB		0x3039
+#define EGL_BIND_TO_TEXTURE_RGBA	0x303A
+#define EGL_MIN_SWAP_INTERVAL		0x303B
+#define EGL_MAX_SWAP_INTERVAL		0x303C
+#define EGL_LUMINANCE_SIZE		0x303D
+#define EGL_ALPHA_MASK_SIZE		0x303E
+#define EGL_COLOR_BUFFER_TYPE		0x303F
+#define EGL_RENDERABLE_TYPE		0x3040
+#define EGL_MATCH_NATIVE_PIXMAP		0x3041	/* Pseudo-attribute (not queryable) */
+#define EGL_CONFORMANT			0x3042
+
+/* Reserved 0x3041-0x304F for additional config attributes */
+
+/* Config attribute values */
+#define EGL_SLOW_CONFIG			0x3050	/* EGL_CONFIG_CAVEAT value */
+#define EGL_NON_CONFORMANT_CONFIG	0x3051	/* EGL_CONFIG_CAVEAT value */
+#define EGL_TRANSPARENT_RGB		0x3052	/* EGL_TRANSPARENT_TYPE value */
+#define EGL_RGB_BUFFER			0x308E	/* EGL_COLOR_BUFFER_TYPE value */
+#define EGL_LUMINANCE_BUFFER		0x308F	/* EGL_COLOR_BUFFER_TYPE value */
+
+/* More config attribute values, for EGL_TEXTURE_FORMAT */
+#define EGL_NO_TEXTURE			0x305C
+#define EGL_TEXTURE_RGB			0x305D
+#define EGL_TEXTURE_RGBA		0x305E
+#define EGL_TEXTURE_2D			0x305F
+
+/* Config attribute mask bits */
+#define EGL_PBUFFER_BIT			0x0001	/* EGL_SURFACE_TYPE mask bits */
+#define EGL_PIXMAP_BIT			0x0002	/* EGL_SURFACE_TYPE mask bits */
+#define EGL_WINDOW_BIT			0x0004	/* EGL_SURFACE_TYPE mask bits */
+#define EGL_VG_COLORSPACE_LINEAR_BIT	0x0020	/* EGL_SURFACE_TYPE mask bits */
+#define EGL_VG_ALPHA_FORMAT_PRE_BIT	0x0040	/* EGL_SURFACE_TYPE mask bits */
+#define EGL_MULTISAMPLE_RESOLVE_BOX_BIT 0x0200	/* EGL_SURFACE_TYPE mask bits */
+#define EGL_SWAP_BEHAVIOR_PRESERVED_BIT 0x0400	/* EGL_SURFACE_TYPE mask bits */
+
+#define EGL_OPENGL_ES_BIT		0x0001	/* EGL_RENDERABLE_TYPE mask bits */
+#define EGL_OPENVG_BIT			0x0002	/* EGL_RENDERABLE_TYPE mask bits */
+#define EGL_OPENGL_ES2_BIT		0x0004	/* EGL_RENDERABLE_TYPE mask bits */
+#define EGL_OPENGL_BIT			0x0008	/* EGL_RENDERABLE_TYPE mask bits */
+
+/* QueryString targets */
+#define EGL_VENDOR			0x3053
+#define EGL_VERSION			0x3054
+#define EGL_EXTENSIONS			0x3055
+#define EGL_CLIENT_APIS			0x308D
+
+/* QuerySurface / SurfaceAttrib / CreatePbufferSurface targets */
+#define EGL_HEIGHT			0x3056
+#define EGL_WIDTH			0x3057
+#define EGL_LARGEST_PBUFFER		0x3058
+#define EGL_TEXTURE_FORMAT		0x3080
+#define EGL_TEXTURE_TARGET		0x3081
+#define EGL_MIPMAP_TEXTURE		0x3082
+#define EGL_MIPMAP_LEVEL		0x3083
+#define EGL_RENDER_BUFFER		0x3086
+#define EGL_VG_COLORSPACE		0x3087
+#define EGL_VG_ALPHA_FORMAT		0x3088
+#define EGL_HORIZONTAL_RESOLUTION	0x3090
+#define EGL_VERTICAL_RESOLUTION		0x3091
+#define EGL_PIXEL_ASPECT_RATIO		0x3092
+#define EGL_SWAP_BEHAVIOR		0x3093
+#define EGL_MULTISAMPLE_RESOLVE		0x3099
+
+/* EGL_RENDER_BUFFER values / BindTexImage / ReleaseTexImage buffer targets */
+#define EGL_BACK_BUFFER			0x3084
+#define EGL_SINGLE_BUFFER		0x3085
+
+/* OpenVG color spaces */
+#define EGL_VG_COLORSPACE_sRGB		0x3089	/* EGL_VG_COLORSPACE value */
+#define EGL_VG_COLORSPACE_LINEAR	0x308A	/* EGL_VG_COLORSPACE value */
+
+/* OpenVG alpha formats */
+#define EGL_VG_ALPHA_FORMAT_NONPRE	0x308B	/* EGL_ALPHA_FORMAT value */
+#define EGL_VG_ALPHA_FORMAT_PRE		0x308C	/* EGL_ALPHA_FORMAT value */
+
+/* Constant scale factor by which fractional display resolutions &
+ * aspect ratio are scaled when queried as integer values.
+ */
+#define EGL_DISPLAY_SCALING		10000
+
+/* Unknown display resolution/aspect ratio */
+#define EGL_UNKNOWN			((EGLint)-1)
+
+/* Back buffer swap behaviors */
+#define EGL_BUFFER_PRESERVED		0x3094	/* EGL_SWAP_BEHAVIOR value */
+#define EGL_BUFFER_DESTROYED		0x3095	/* EGL_SWAP_BEHAVIOR value */
+
+/* CreatePbufferFromClientBuffer buffer types */
+#define EGL_OPENVG_IMAGE		0x3096
+
+/* QueryContext targets */
+#define EGL_CONTEXT_CLIENT_TYPE		0x3097
+
+/* CreateContext attributes */
+#define EGL_CONTEXT_CLIENT_VERSION	0x3098
+
+/* Multisample resolution behaviors */
+#define EGL_MULTISAMPLE_RESOLVE_DEFAULT 0x309A	/* EGL_MULTISAMPLE_RESOLVE value */
+#define EGL_MULTISAMPLE_RESOLVE_BOX	0x309B	/* EGL_MULTISAMPLE_RESOLVE value */
+
+/* BindAPI/QueryAPI targets */
+#define EGL_OPENGL_ES_API		0x30A0
+#define EGL_OPENVG_API			0x30A1
+#define EGL_OPENGL_API			0x30A2
+
+/* GetCurrentSurface targets */
+#define EGL_DRAW			0x3059
+#define EGL_READ			0x305A
+
+/* WaitNative engines */
+#define EGL_CORE_NATIVE_ENGINE		0x305B
+
+/* EGL 1.2 tokens renamed for consistency in EGL 1.3 */
+#define EGL_COLORSPACE			EGL_VG_COLORSPACE
+#define EGL_ALPHA_FORMAT		EGL_VG_ALPHA_FORMAT
+#define EGL_COLORSPACE_sRGB		EGL_VG_COLORSPACE_sRGB
+#define EGL_COLORSPACE_LINEAR		EGL_VG_COLORSPACE_LINEAR
+#define EGL_ALPHA_FORMAT_NONPRE		EGL_VG_ALPHA_FORMAT_NONPRE
+#define EGL_ALPHA_FORMAT_PRE		EGL_VG_ALPHA_FORMAT_PRE
+
+/* EGL extensions must request enum blocks from the Khronos
+ * API Registrar, who maintains the enumerant registry. Submit
+ * a bug in Khronos Bugzilla against task "Registry".
+ */
+
+
+
+/* EGL Functions */
+
+EGLAPI EGLint EGLAPIENTRY eglGetError(void);
+
+EGLAPI EGLDisplay EGLAPIENTRY eglGetDisplay(EGLNativeDisplayType display_id);
+EGLAPI EGLBoolean EGLAPIENTRY eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor);
+EGLAPI EGLBoolean EGLAPIENTRY eglTerminate(EGLDisplay dpy);
+
+EGLAPI const char * EGLAPIENTRY eglQueryString(EGLDisplay dpy, EGLint name);
+
+EGLAPI EGLBoolean EGLAPIENTRY eglGetConfigs(EGLDisplay dpy, EGLConfig *configs,
+			 EGLint config_size, EGLint *num_config);
+EGLAPI EGLBoolean EGLAPIENTRY eglChooseConfig(EGLDisplay dpy, const EGLint *attrib_list,
+			   EGLConfig *configs, EGLint config_size,
+			   EGLint *num_config);
+EGLAPI EGLBoolean EGLAPIENTRY eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config,
+			      EGLint attribute, EGLint *value);
+
+EGLAPI EGLSurface EGLAPIENTRY eglCreateWindowSurface(EGLDisplay dpy, EGLConfig config,
+				  EGLNativeWindowType win,
+				  const EGLint *attrib_list);
+EGLAPI EGLSurface EGLAPIENTRY eglCreatePbufferSurface(EGLDisplay dpy, EGLConfig config,
+				   const EGLint *attrib_list);
+EGLAPI EGLSurface EGLAPIENTRY eglCreatePixmapSurface(EGLDisplay dpy, EGLConfig config,
+				  EGLNativePixmapType pixmap,
+				  const EGLint *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglDestroySurface(EGLDisplay dpy, EGLSurface surface);
+EGLAPI EGLBoolean EGLAPIENTRY eglQuerySurface(EGLDisplay dpy, EGLSurface surface,
+			   EGLint attribute, EGLint *value);
+
+EGLAPI EGLBoolean EGLAPIENTRY eglBindAPI(EGLenum api);
+EGLAPI EGLenum EGLAPIENTRY eglQueryAPI(void);
+
+EGLAPI EGLBoolean EGLAPIENTRY eglWaitClient(void);
+
+EGLAPI EGLBoolean EGLAPIENTRY eglReleaseThread(void);
+
+EGLAPI EGLSurface EGLAPIENTRY eglCreatePbufferFromClientBuffer(
+	      EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer,
+	      EGLConfig config, const EGLint *attrib_list);
+
+EGLAPI EGLBoolean EGLAPIENTRY eglSurfaceAttrib(EGLDisplay dpy, EGLSurface surface,
+			    EGLint attribute, EGLint value);
+EGLAPI EGLBoolean EGLAPIENTRY eglBindTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer);
+EGLAPI EGLBoolean EGLAPIENTRY eglReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer);
+
+
+EGLAPI EGLBoolean EGLAPIENTRY eglSwapInterval(EGLDisplay dpy, EGLint interval);
+
+
+EGLAPI EGLContext EGLAPIENTRY eglCreateContext(EGLDisplay dpy, EGLConfig config,
+			    EGLContext share_context,
+			    const EGLint *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglDestroyContext(EGLDisplay dpy, EGLContext ctx);
+EGLAPI EGLBoolean EGLAPIENTRY eglMakeCurrent(EGLDisplay dpy, EGLSurface draw,
+			  EGLSurface read, EGLContext ctx);
+
+EGLAPI EGLContext EGLAPIENTRY eglGetCurrentContext(void);
+EGLAPI EGLSurface EGLAPIENTRY eglGetCurrentSurface(EGLint readdraw);
+EGLAPI EGLDisplay EGLAPIENTRY eglGetCurrentDisplay(void);
+EGLAPI EGLBoolean EGLAPIENTRY eglQueryContext(EGLDisplay dpy, EGLContext ctx,
+			   EGLint attribute, EGLint *value);
+
+EGLAPI EGLBoolean EGLAPIENTRY eglWaitGL(void);
+EGLAPI EGLBoolean EGLAPIENTRY eglWaitNative(EGLint engine);
+EGLAPI EGLBoolean EGLAPIENTRY eglSwapBuffers(EGLDisplay dpy, EGLSurface surface);
+EGLAPI EGLBoolean EGLAPIENTRY eglCopyBuffers(EGLDisplay dpy, EGLSurface surface,
+			  EGLNativePixmapType target);
+
+/* This is a generic function pointer type, whose name indicates it must
+ * be cast to the proper type *and calling convention* before use.
+ */
+typedef void (*__eglMustCastToProperFunctionPointerType)(void);
+
+/* Now, define eglGetProcAddress using the generic function ptr. type */
+EGLAPI __eglMustCastToProperFunctionPointerType EGLAPIENTRY
+       eglGetProcAddress(const char *procname);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __egl_h_ */
--- a/ndk/platforms/android-9/arch-arm/usr/include/EGL/eglext.h
+++ b/ndk/platforms/android-9/arch-arm/usr/include/EGL/eglext.h
@@ -0,0 +1,252 @@
+#ifndef __eglext_h_
+#define __eglext_h_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+** Copyright (c) 2007-2010 The Khronos Group Inc.
+**
+** Permission is hereby granted, free of charge, to any person obtaining a
+** copy of this software and/or associated documentation files (the
+** "Materials"), to deal in the Materials without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Materials, and to
+** permit persons to whom the Materials are furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be included
+** in all copies or substantial portions of the Materials.
+**
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+*/
+
+#include <EGL/eglplatform.h>
+
+/*************************************************************/
+
+/* Header file version number */
+/* Current version at http://www.khronos.org/registry/egl/ */
+/* $Revision: 11249 $ on $Date: 2010-05-05 09:54:28 -0700 (Wed, 05 May 2010) $ */
+#define EGL_EGLEXT_VERSION 5
+
+#ifndef EGL_KHR_config_attribs
+#define EGL_KHR_config_attribs 1
+#define EGL_CONFORMANT_KHR			0x3042	/* EGLConfig attribute */
+#define EGL_VG_COLORSPACE_LINEAR_BIT_KHR	0x0020	/* EGL_SURFACE_TYPE bitfield */
+#define EGL_VG_ALPHA_FORMAT_PRE_BIT_KHR		0x0040	/* EGL_SURFACE_TYPE bitfield */
+#endif
+
+#ifndef EGL_KHR_lock_surface
+#define EGL_KHR_lock_surface 1
+#define EGL_READ_SURFACE_BIT_KHR		0x0001	/* EGL_LOCK_USAGE_HINT_KHR bitfield */
+#define EGL_WRITE_SURFACE_BIT_KHR		0x0002	/* EGL_LOCK_USAGE_HINT_KHR bitfield */
+#define EGL_LOCK_SURFACE_BIT_KHR		0x0080	/* EGL_SURFACE_TYPE bitfield */
+#define EGL_OPTIMAL_FORMAT_BIT_KHR		0x0100	/* EGL_SURFACE_TYPE bitfield */
+#define EGL_MATCH_FORMAT_KHR			0x3043	/* EGLConfig attribute */
+#define EGL_FORMAT_RGB_565_EXACT_KHR		0x30C0	/* EGL_MATCH_FORMAT_KHR value */
+#define EGL_FORMAT_RGB_565_KHR			0x30C1	/* EGL_MATCH_FORMAT_KHR value */
+#define EGL_FORMAT_RGBA_8888_EXACT_KHR		0x30C2	/* EGL_MATCH_FORMAT_KHR value */
+#define EGL_FORMAT_RGBA_8888_KHR		0x30C3	/* EGL_MATCH_FORMAT_KHR value */
+#define EGL_MAP_PRESERVE_PIXELS_KHR		0x30C4	/* eglLockSurfaceKHR attribute */
+#define EGL_LOCK_USAGE_HINT_KHR			0x30C5	/* eglLockSurfaceKHR attribute */
+#define EGL_BITMAP_POINTER_KHR			0x30C6	/* eglQuerySurface attribute */
+#define EGL_BITMAP_PITCH_KHR			0x30C7	/* eglQuerySurface attribute */
+#define EGL_BITMAP_ORIGIN_KHR			0x30C8	/* eglQuerySurface attribute */
+#define EGL_BITMAP_PIXEL_RED_OFFSET_KHR		0x30C9	/* eglQuerySurface attribute */
+#define EGL_BITMAP_PIXEL_GREEN_OFFSET_KHR	0x30CA	/* eglQuerySurface attribute */
+#define EGL_BITMAP_PIXEL_BLUE_OFFSET_KHR	0x30CB	/* eglQuerySurface attribute */
+#define EGL_BITMAP_PIXEL_ALPHA_OFFSET_KHR	0x30CC	/* eglQuerySurface attribute */
+#define EGL_BITMAP_PIXEL_LUMINANCE_OFFSET_KHR	0x30CD	/* eglQuerySurface attribute */
+#define EGL_LOWER_LEFT_KHR			0x30CE	/* EGL_BITMAP_ORIGIN_KHR value */
+#define EGL_UPPER_LEFT_KHR			0x30CF	/* EGL_BITMAP_ORIGIN_KHR value */
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLBoolean EGLAPIENTRY eglLockSurfaceKHR (EGLDisplay display, EGLSurface surface, const EGLint *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglUnlockSurfaceKHR (EGLDisplay display, EGLSurface surface);
+#endif /* EGL_EGLEXT_PROTOTYPES */
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLLOCKSURFACEKHRPROC) (EGLDisplay display, EGLSurface surface, const EGLint *attrib_list);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLUNLOCKSURFACEKHRPROC) (EGLDisplay display, EGLSurface surface);
+#endif
+
+#ifndef EGL_KHR_image
+#define EGL_KHR_image 1
+#define EGL_NATIVE_PIXMAP_KHR			0x30B0	/* eglCreateImageKHR target */
+typedef void *EGLImageKHR;
+#define EGL_NO_IMAGE_KHR			((EGLImageKHR)0)
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLImageKHR EGLAPIENTRY eglCreateImageKHR (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglDestroyImageKHR (EGLDisplay dpy, EGLImageKHR image);
+#endif /* EGL_EGLEXT_PROTOTYPES */
+typedef EGLImageKHR (EGLAPIENTRYP PFNEGLCREATEIMAGEKHRPROC) (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYIMAGEKHRPROC) (EGLDisplay dpy, EGLImageKHR image);
+#endif
+
+#ifndef EGL_KHR_vg_parent_image
+#define EGL_KHR_vg_parent_image 1
+#define EGL_VG_PARENT_IMAGE_KHR			0x30BA	/* eglCreateImageKHR target */
+#endif
+
+#ifndef EGL_KHR_gl_texture_2D_image
+#define EGL_KHR_gl_texture_2D_image 1
+#define EGL_GL_TEXTURE_2D_KHR			0x30B1	/* eglCreateImageKHR target */
+#define EGL_GL_TEXTURE_LEVEL_KHR		0x30BC	/* eglCreateImageKHR attribute */
+#endif
+
+#ifndef EGL_KHR_gl_texture_cubemap_image
+#define EGL_KHR_gl_texture_cubemap_image 1
+#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR	0x30B3	/* eglCreateImageKHR target */
+#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR	0x30B4	/* eglCreateImageKHR target */
+#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR	0x30B5	/* eglCreateImageKHR target */
+#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR	0x30B6	/* eglCreateImageKHR target */
+#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR	0x30B7	/* eglCreateImageKHR target */
+#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR	0x30B8	/* eglCreateImageKHR target */
+#endif
+
+#ifndef EGL_KHR_gl_texture_3D_image
+#define EGL_KHR_gl_texture_3D_image 1
+#define EGL_GL_TEXTURE_3D_KHR			0x30B2	/* eglCreateImageKHR target */
+#define EGL_GL_TEXTURE_ZOFFSET_KHR		0x30BD	/* eglCreateImageKHR attribute */
+#endif
+
+#ifndef EGL_KHR_gl_renderbuffer_image
+#define EGL_KHR_gl_renderbuffer_image 1
+#define EGL_GL_RENDERBUFFER_KHR			0x30B9	/* eglCreateImageKHR target */
+#endif
+
+#ifndef EGL_KHR_reusable_sync
+#define EGL_KHR_reusable_sync 1
+
+typedef void* EGLSyncKHR;
+typedef khronos_utime_nanoseconds_t EGLTimeKHR;
+
+#define EGL_SYNC_STATUS_KHR			0x30F1
+#define EGL_SIGNALED_KHR			0x30F2
+#define EGL_UNSIGNALED_KHR			0x30F3
+#define EGL_TIMEOUT_EXPIRED_KHR			0x30F5
+#define EGL_CONDITION_SATISFIED_KHR		0x30F6
+#define EGL_SYNC_TYPE_KHR			0x30F7
+#define EGL_SYNC_REUSABLE_KHR			0x30FA
+#define EGL_SYNC_FLUSH_COMMANDS_BIT_KHR		0x0001	/* eglClientWaitSyncKHR <flags> bitfield */
+#define EGL_FOREVER_KHR				0xFFFFFFFFFFFFFFFFull
+#define EGL_NO_SYNC_KHR				((EGLSyncKHR)0)
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLSyncKHR EGLAPIENTRY eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglDestroySyncKHR(EGLDisplay dpy, EGLSyncKHR sync);
+EGLAPI EGLint EGLAPIENTRY eglClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout);
+EGLAPI EGLBoolean EGLAPIENTRY eglSignalSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode);
+EGLAPI EGLBoolean EGLAPIENTRY eglGetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value);
+#endif /* EGL_EGLEXT_PROTOTYPES */
+typedef EGLSyncKHR (EGLAPIENTRYP PFNEGLCREATESYNCKHRPROC) (EGLDisplay dpy, EGLenum type, const EGLint *attrib_list);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYSYNCKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync);
+typedef EGLint (EGLAPIENTRYP PFNEGLCLIENTWAITSYNCKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLSIGNALSYNCKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETSYNCATTRIBKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value);
+#endif
+
+#ifndef EGL_KHR_image_base
+#define EGL_KHR_image_base 1
+/* Most interfaces defined by EGL_KHR_image_pixmap above */
+#define EGL_IMAGE_PRESERVED_KHR			0x30D2	/* eglCreateImageKHR attribute */
+#endif
+
+#ifndef EGL_KHR_image_pixmap
+#define EGL_KHR_image_pixmap 1
+/* Interfaces defined by EGL_KHR_image above */
+#endif
+
+#ifndef EGL_IMG_context_priority
+#define EGL_IMG_context_priority 1
+#define EGL_CONTEXT_PRIORITY_LEVEL_IMG		0x3100
+#define EGL_CONTEXT_PRIORITY_HIGH_IMG		0x3101
+#define EGL_CONTEXT_PRIORITY_MEDIUM_IMG		0x3102
+#define EGL_CONTEXT_PRIORITY_LOW_IMG		0x3103
+#endif
+
+#ifndef EGL_NV_coverage_sample
+#define EGL_NV_coverage_sample 1
+#define EGL_COVERAGE_BUFFERS_NV 0x30E0
+#define EGL_COVERAGE_SAMPLES_NV 0x30E1
+#endif
+
+#ifndef EGL_NV_depth_nonlinear
+#define EGL_NV_depth_nonlinear 1
+#define EGL_DEPTH_ENCODING_NV 0x30E2
+#define EGL_DEPTH_ENCODING_NONE_NV 0
+#define EGL_DEPTH_ENCODING_NONLINEAR_NV 0x30E3
+#endif
+
+#ifndef EGL_NV_sync
+#define EGL_NV_sync 1
+#define EGL_SYNC_PRIOR_COMMANDS_COMPLETE_NV	0x30E6
+#define EGL_SYNC_STATUS_NV			0x30E7
+#define EGL_SIGNALED_NV				0x30E8
+#define EGL_UNSIGNALED_NV			0x30E9
+#define EGL_SYNC_FLUSH_COMMANDS_BIT_NV		0x0001
+#define EGL_FOREVER_NV				0xFFFFFFFFFFFFFFFFull
+#define EGL_ALREADY_SIGNALED_NV			0x30EA
+#define EGL_TIMEOUT_EXPIRED_NV			0x30EB
+#define EGL_CONDITION_SATISFIED_NV		0x30EC
+#define EGL_SYNC_TYPE_NV			0x30ED
+#define EGL_SYNC_CONDITION_NV			0x30EE
+#define EGL_SYNC_FENCE_NV			0x30EF
+#define EGL_NO_SYNC_NV				((EGLSyncNV)0)
+typedef void* EGLSyncNV;
+typedef unsigned long long EGLTimeNV;
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLSyncNV eglCreateFenceSyncNV (EGLDisplay dpy, EGLenum condition, const EGLint *attrib_list);
+EGLBoolean eglDestroySyncNV (EGLSyncNV sync);
+EGLBoolean eglFenceNV (EGLSyncNV sync);
+EGLint eglClientWaitSyncNV (EGLSyncNV sync, EGLint flags, EGLTimeNV timeout);
+EGLBoolean eglSignalSyncNV (EGLSyncNV sync, EGLenum mode);
+EGLBoolean eglGetSyncAttribNV (EGLSyncNV sync, EGLint attribute, EGLint *value);
+#endif /* EGL_EGLEXT_PROTOTYPES */
+typedef EGLSyncNV (EGLAPIENTRYP PFNEGLCREATEFENCESYNCNVPROC) (EGLDisplay dpy, EGLenum condition, const EGLint *attrib_list);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYSYNCNVPROC) (EGLSyncNV sync);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLFENCENVPROC) (EGLSyncNV sync);
+typedef EGLint (EGLAPIENTRYP PFNEGLCLIENTWAITSYNCNVPROC) (EGLSyncNV sync, EGLint flags, EGLTimeNV timeout);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLSIGNALSYNCNVPROC) (EGLSyncNV sync, EGLenum mode);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETSYNCATTRIBNVPROC) (EGLSyncNV sync, EGLint attribute, EGLint *value);
+#endif
+
+#ifndef EGL_KHR_fence_sync
+#define EGL_KHR_fence_sync 1
+/* Reuses most tokens and entry points from EGL_KHR_reusable_sync */
+#define EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR	0x30F0
+#define EGL_SYNC_CONDITION_KHR			0x30F8
+#define EGL_SYNC_FENCE_KHR			0x30F9
+#endif
+
+#ifndef EGL_ANDROID_image_native_buffer
+#define EGL_ANDROID_image_native_buffer 1
+struct android_native_buffer_t;
+#define EGL_NATIVE_BUFFER_ANDROID       0x3140  /* eglCreateImageKHR target */
+#endif
+
+#ifndef EGL_ANDROID_get_render_buffer
+#define EGL_ANDROID_get_render_buffer 1
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLClientBuffer EGLAPIENTRY eglGetRenderBufferANDROID(EGLDisplay dpy, EGLSurface draw);
+#endif
+typedef EGLClientBuffer (EGLAPIENTRYP PFNEGLGETRENDERBUFFERANDROIDPROC) (EGLDisplay dpy, EGLSurface draw);
+#endif
+
+#ifndef EGL_ANDROID_swap_rectangle
+#define EGL_ANDROID_swap_rectangle 1
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLBoolean EGLAPIENTRY eglSetSwapRectangleANDROID (EGLDisplay dpy, EGLSurface draw, EGLint left, EGLint top, EGLint width, EGLint height);
+#endif /* EGL_EGLEXT_PROTOTYPES */
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLSETSWAPRECTANGLEANDROIDPROC) (EGLDisplay dpy, EGLSurface draw, EGLint left, EGLint top, EGLint width, EGLint height);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
--- a/ndk/platforms/android-9/arch-arm/usr/include/EGL/eglplatform.h
+++ b/ndk/platforms/android-9/arch-arm/usr/include/EGL/eglplatform.h
@@ -0,0 +1,121 @@
+#ifndef __eglplatform_h_
+#define __eglplatform_h_
+
+/*
+** Copyright (c) 2007-2009 The Khronos Group Inc.
+**
+** Permission is hereby granted, free of charge, to any person obtaining a
+** copy of this software and/or associated documentation files (the
+** "Materials"), to deal in the Materials without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Materials, and to
+** permit persons to whom the Materials are furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be included
+** in all copies or substantial portions of the Materials.
+**
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+*/
+
+/* Platform-specific types and definitions for egl.h
+ * $Revision: 9724 $ on $Date: 2009-12-02 02:05:33 -0800 (Wed, 02 Dec 2009) $
+ *
+ * Adopters may modify khrplatform.h and this file to suit their platform.
+ * You are encouraged to submit all modifications to the Khronos group so that
+ * they can be included in future versions of this file.  Please submit changes
+ * by sending them to the public Khronos Bugzilla (http://khronos.org/bugzilla)
+ * by filing a bug against product "EGL" component "Registry".
+ */
+
+#include <KHR/khrplatform.h>
+
+/* Macros used in EGL function prototype declarations.
+ *
+ * EGL functions should be prototyped as:
+ *
+ * EGLAPI return-type EGLAPIENTRY eglFunction(arguments);
+ * typedef return-type (EXPAPIENTRYP PFNEGLFUNCTIONPROC) (arguments);
+ *
+ * KHRONOS_APICALL and KHRONOS_APIENTRY are defined in KHR/khrplatform.h
+ */
+
+#ifndef EGLAPI
+#define EGLAPI KHRONOS_APICALL
+#endif
+
+#ifndef EGLAPIENTRY
+#define EGLAPIENTRY  KHRONOS_APIENTRY
+#endif
+#define EGLAPIENTRYP EGLAPIENTRY*
+
+/* The types NativeDisplayType, NativeWindowType, and NativePixmapType
+ * are aliases of window-system-dependent types, such as X Display * or
+ * Windows Device Context. They must be defined in platform-specific
+ * code below. The EGL-prefixed versions of Native*Type are the same
+ * types, renamed in EGL 1.3 so all types in the API start with "EGL".
+ */
+
+#if defined(_WIN32) || defined(__VC32__) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__) /* Win32 and WinCE */
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN 1
+#endif
+#include <windows.h>
+
+typedef HDC     EGLNativeDisplayType;
+typedef HBITMAP EGLNativePixmapType;
+typedef HWND    EGLNativeWindowType;
+
+#elif defined(__WINSCW__) || defined(__SYMBIAN32__)  /* Symbian */
+
+typedef int   EGLNativeDisplayType;
+typedef void *EGLNativeWindowType;
+typedef void *EGLNativePixmapType;
+
+#elif defined(__unix__) && !defined(ANDROID)
+
+/* X11 (tentative)  */
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+typedef Display *EGLNativeDisplayType;
+typedef Pixmap   EGLNativePixmapType;
+typedef Window   EGLNativeWindowType;
+
+
+#elif defined(ANDROID)
+
+#include <android/native_window.h>
+
+struct egl_native_pixmap_t;
+
+typedef struct ANativeWindow*           EGLNativeWindowType;
+typedef struct egl_native_pixmap_t*     EGLNativePixmapType;
+typedef void*                           EGLNativeDisplayType;
+
+#else
+#error "Platform not recognized"
+#endif
+
+/* EGL 1.2 types, renamed for consistency in EGL 1.3 */
+typedef EGLNativeDisplayType NativeDisplayType;
+typedef EGLNativePixmapType  NativePixmapType;
+typedef EGLNativeWindowType  NativeWindowType;
+
+
+/* Define EGLint. This must be a signed integral type large enough to contain
+ * all legal attribute names and values passed into and out of EGL, whether
+ * their type is boolean, bitmask, enumerant (symbolic constant), integer,
+ * handle, or other.  While in general a 32-bit integer will suffice, if
+ * handles are 64 bit types, then EGLint should be defined as a signed 64-bit
+ * integer type.
+ */
+typedef khronos_int32_t EGLint;
+
+#endif /* __eglplatform_h */
--- a/ndk/platforms/android-9/arch-arm/usr/include/android/native_activity.h
+++ b/ndk/platforms/android-9/arch-arm/usr/include/android/native_activity.h
@@ -131,14 +131,6 @@ typedef struct ANativeActivityCallbacks {
     */
    void (*onNativeWindowCreated)(ANativeActivity* activity, ANativeWindow* window);

-    /**
-     * The drawing window for this native activity has changed.  During this time,
-     * old ANativeWindow object is still valid but no longer active and drawing
-     * should switch to the new ANativeWindow given here.  After returning from
-     * this function, you must not touch the old window.
-     */
-    void (*onNativeWindowChanged)(ANativeActivity* activity, ANativeWindow* window);
-
    /**
     * The drawing window for this native activity is going to be destroyed.
     * You MUST ensure that you do not touch the window object after returning
--- a/ndk/platforms/android-9/arch-arm/usr/include/android/native_window.h
+++ b/ndk/platforms/android-9/arch-arm/usr/include/android/native_window.h
@@ -22,6 +22,15 @@
 extern "C" {
 #endif

+/*
+ * Pixel formats that a window can use.
+ */
+enum {
+    WINDOW_FORMAT_RGBA_8888          = 1,
+    WINDOW_FORMAT_RGBX_8888          = 2,
+    WINDOW_FORMAT_RGB_565            = 4,
+};
+
 struct ANativeWindow;
 typedef struct ANativeWindow ANativeWindow;

@@ -43,6 +52,22 @@ int32_t ANativeWindow_getHeight(ANativeWindow* window);
 */
 int32_t ANativeWindow_getFormat(ANativeWindow* window);

+/*
+ * Change the format and size of the window buffers.
+ *
+ * The width and height control the number of pixels in the buffers, not the
+ * dimensions of the window on screen.  If these are different than the
+ * window's physical size, then it buffer will be scaled to match that size
+ * when compositing it to the screen.
+ *
+ * The format may be one of the window format constants above.
+ *
+ * For all of these parameters, if 0 is supplied than the window's base
+ * value will come back in force.
+ */
+int32_t ANativeWindow_setBuffersGeometry(ANativeWindow* window, int32_t width,
+        int32_t height, int32_t format);
+
 #ifdef __cplusplus
 };
 #endif
--- a/ndk/platforms/android-9/arch-arm/usr/lib/libEGL.so
+++ b/ndk/platforms/android-9/arch-arm/usr/lib/libEGL.so
--- a/ndk/platforms/android-9/arch-arm/usr/lib/libandroid.so
+++ b/ndk/platforms/android-9/arch-arm/usr/lib/libandroid.so
--- a/ndk/samples/native-activity/jni/Android.mk
+++ b/ndk/samples/native-activity/jni/Android.mk
@@ -17,7 +17,7 @@ LOCAL_PATH := $(call my-dir)
 include $(CLEAR_VARS)

 LOCAL_MODULE    := native-activity
-LOCAL_SRC_FILES := main.c
-LOCAL_LDLIBS    := -llog -landroid
+LOCAL_SRC_FILES := main.c glutils.c
+LOCAL_LDLIBS    := -llog -landroid -lEGL -lGLESv1_CM

 include $(BUILD_SHARED_LIBRARY)
--- a/ndk/samples/native-activity/jni/glutils.c
+++ b/ndk/samples/native-activity/jni/glutils.c
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2010 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 "glutils.h"
+
+const char *EGLstrerror(EGLint err) {
+    switch (err) {
+        case EGL_SUCCESS:           return "EGL_SUCCESS";
+        case EGL_NOT_INITIALIZED:   return "EGL_NOT_INITIALIZED";
+        case EGL_BAD_ACCESS:        return "EGL_BAD_ACCESS";
+        case EGL_BAD_ALLOC:         return "EGL_BAD_ALLOC";
+        case EGL_BAD_ATTRIBUTE:     return "EGL_BAD_ATTRIBUTE";
+        case EGL_BAD_CONFIG:        return "EGL_BAD_CONFIG";
+        case EGL_BAD_CONTEXT:       return "EGL_BAD_CONTEXT";
+        case EGL_BAD_CURRENT_SURFACE: return "EGL_BAD_CURRENT_SURFACE";
+        case EGL_BAD_DISPLAY:       return "EGL_BAD_DISPLAY";
+        case EGL_BAD_MATCH:         return "EGL_BAD_MATCH";
+        case EGL_BAD_NATIVE_PIXMAP: return "EGL_BAD_NATIVE_PIXMAP";
+        case EGL_BAD_NATIVE_WINDOW: return "EGL_BAD_NATIVE_WINDOW";
+        case EGL_BAD_PARAMETER:     return "EGL_BAD_PARAMETER";
+        case EGL_BAD_SURFACE:       return "EGL_BAD_SURFACE";
+        case EGL_CONTEXT_LOST:      return "EGL_CONTEXT_LOST";
+        default: return "UNKNOWN";
+    }
+}
+
+int32_t selectConfigForPixelFormat(EGLDisplay dpy, EGLint const* attrs,
+        int32_t format, EGLConfig* outConfig) {
+    EGLint numConfigs = -1, n=0;
+
+    if (!attrs)
+        return -1;
+
+    if (outConfig == NULL)
+        return -1;
+    
+    int fbSzA, fbSzR, fbSzG, fbSzB;
+    switch (format) {
+        case WINDOW_FORMAT_RGBA_8888:
+            fbSzA = fbSzR = fbSzG = fbSzB = 8;
+            break;
+        case WINDOW_FORMAT_RGBX_8888:
+            fbSzA = 0; fbSzR = fbSzG = fbSzB = 8;
+            break;
+        case WINDOW_FORMAT_RGB_565:
+            fbSzA = 0; fbSzR = 5; fbSzG = 6; fbSzB = 5;
+            break;
+        default:
+            LOGW("Unknown format");
+            return -1;
+    }
+
+    // Get all the "potential match" configs...
+    if (eglGetConfigs(dpy, NULL, 0, &numConfigs) == EGL_FALSE) {
+        LOGW("eglGetConfigs failed");
+        return -1;
+    }
+
+    EGLConfig* const configs = (EGLConfig*)malloc(sizeof(EGLConfig)*numConfigs);
+    if (eglChooseConfig(dpy, attrs, configs, numConfigs, &n) == EGL_FALSE) {
+        free(configs);
+        LOGW("eglChooseConfig failed");
+        return -1;
+    }
+
+    int i;
+    EGLConfig config = NULL;
+    for (i=0 ; i<n ; i++) {
+        EGLint r,g,b,a;
+        EGLConfig curr = configs[i];
+        eglGetConfigAttrib(dpy, curr, EGL_RED_SIZE,   &r);
+        eglGetConfigAttrib(dpy, curr, EGL_GREEN_SIZE, &g);
+        eglGetConfigAttrib(dpy, curr, EGL_BLUE_SIZE,  &b);
+        eglGetConfigAttrib(dpy, curr, EGL_ALPHA_SIZE, &a);
+        if (fbSzA == a && fbSzR == r && fbSzG == g && fbSzB  == b) {
+            config = curr;
+            break;
+        }
+    }
+
+    free(configs);
+    
+    if (i<n) {
+        *outConfig = config;
+        return 0;
+    }
+
+    LOGW("No config with desired pixel format");
+    return -1;
+}
+
+int32_t selectConfigForNativeWindow(EGLDisplay dpy, EGLint const* attrs,
+        EGLNativeWindowType window, EGLConfig* outConfig) {
+    int err;
+    int format;
+    
+    if (!window)
+        return -1;
+    
+    return selectConfigForPixelFormat(dpy, attrs,
+            ANativeWindow_getFormat(window), outConfig);
+}
+
--- a/ndk/samples/native-activity/jni/glutils.h
+++ b/ndk/samples/native-activity/jni/glutils.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2010 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 <android/native_activity.h>
+#include <android/log.h>
+
+#include <EGL/egl.h>
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
+#define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, "native-activity", __VA_ARGS__))
+#define LOGW(...) ((void)__android_log_print(ANDROID_LOG_WARN, "native-activity", __VA_ARGS__))
+
+extern const char *EGLstrerror(EGLint err);
+extern int32_t selectConfigForPixelFormat(EGLDisplay dpy, EGLint const* attrs,
+        int32_t format, EGLConfig* outConfig);
+extern int32_t selectConfigForNativeWindow(EGLDisplay dpy, EGLint const* attrs,
+        EGLNativeWindowType window, EGLConfig* outConfig);
--- a/ndk/samples/native-activity/jni/main.c
+++ b/ndk/samples/native-activity/jni/main.c
@@ -15,9 +15,6 @@
 *
 */

-#include <android/native_activity.h>
-#include <android/log.h>
-
 #include <jni.h>

 #include <errno.h>
@@ -27,7 +24,11 @@
 #include <string.h>
 #include <sys/resource.h>

-#define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, "native-activity", __VA_ARGS__))
+#include "glutils.h"
+
+// --------------------------------------------------------------------
+// Rendering and input engine thread
+// --------------------------------------------------------------------

 struct engine {
    pthread_mutex_t mutex;
@@ -45,14 +46,119 @@ struct engine {
    ANativeWindow* window;
    AInputQueue* pendingInputQueue;
    ANativeWindow* pendingWindow;
+    
+    // private to engine thread.
+    int animating;
+    EGLDisplay display;
+    EGLSurface surface;
+    EGLContext context;
+    int32_t width;
+    int32_t height;
+    float angle;
+    int32_t x;
+    int32_t y;
 };

 enum {
    ENGINE_CMD_INPUT_CHANGED,
    ENGINE_CMD_WINDOW_CHANGED,
+    ENGINE_CMD_GAINED_FOCUS,
+    ENGINE_CMD_LOST_FOCUS,
    ENGINE_CMD_DESTROY,
 };

+static int engine_init_display(struct engine* engine) {
+    // initialize opengl and egl
+    const EGLint attribs[] = {
+            EGL_DEPTH_SIZE, 16,
+            EGL_NONE
+    };
+    EGLint w, h, dummy;
+    EGLint numConfigs;
+    EGLConfig config;
+    EGLSurface surface;
+    EGLContext context;
+
+    EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+
+    eglInitialize(display, 0, 0);
+    selectConfigForNativeWindow(display, attribs, engine->window, &config);
+    surface = eglCreateWindowSurface(display, config, engine->window, NULL);
+    context = eglCreateContext(display, config, NULL, NULL);
+    eglQuerySurface(display, surface, EGL_WIDTH, &w);
+    eglQuerySurface(display, surface, EGL_HEIGHT, &h);
+
+    if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE) {
+        LOGW("Unable to eglMakeCurrent");
+        return -1;
+    }
+
+    engine->display = display;
+    engine->context = context;
+    engine->surface = surface;
+    engine->width = w;
+    engine->height = h;
+    engine->angle = 0;
+    
+    // Initialize GL state.
+    glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
+    glEnable(GL_CULL_FACE);
+    glShadeModel(GL_SMOOTH);
+    glEnable(GL_DEPTH_TEST);
+    
+    return 0;
+}
+
+static void engine_draw_frame(struct engine* engine) {
+    if (engine->display == NULL) {
+        // No display.
+        return;
+    }
+    
+    glClearColor(((float)engine->x)/engine->width, engine->angle,
+            ((float)engine->y)/engine->height, 1);
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+#if 0
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+    glTranslatef(0, 0, -3.0f);
+    glRotatef(engine->angle,        0, 1, 0);
+    glRotatef(engine->angle*0.25f,  1, 0, 0);
+
+    glEnableClientState(GL_VERTEX_ARRAY);
+    glEnableClientState(GL_COLOR_ARRAY);
+
+    //mCube.draw(gl);
+
+    glRotatef(engine->angle*2.0f, 0, 1, 1);
+    glTranslatef(0.5f, 0.5f, 0.5f);
+
+    //mCube.draw(gl);
+#endif
+
+    eglSwapBuffers(engine->display, engine->surface);
+    
+    //engine->angle += 1.2f;
+}
+
+static int engine_term_display(struct engine* engine) {
+    if (engine->display != EGL_NO_DISPLAY) {
+        eglMakeCurrent(engine->display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+        if (engine->context != EGL_NO_CONTEXT) {
+            eglDestroyContext(engine->display, engine->context);
+        }
+        if (engine->surface != EGL_NO_SURFACE) {
+            eglDestroySurface(engine->display, engine->surface);
+        }
+        eglTerminate(engine->display);
+    }
+    engine->animating = 0;
+    engine->display = EGL_NO_DISPLAY;
+    engine->context = EGL_NO_CONTEXT;
+    engine->surface = EGL_NO_SURFACE;
+}
+
 static void* engine_entry(void* param) {
    struct engine* engine = (struct engine*)param;
    struct pollfd pfd[2];
@@ -81,8 +187,16 @@ static void* engine_entry(void* param) {
        
        pfd[0].revents = 0;
        pfd[1].revents = 0;
-        int nfd = poll(pfd, numfd, -1);
-        if (nfd <= 0) {
+        int nfd = poll(pfd, numfd, engine->animating ? 0 : -1);
+        if (nfd == 0 && engine->animating) {
+            // There is no work to do -- step next animation.
+            engine->angle += .01f;
+            if (engine->angle > 1) {
+                engine->angle = 0;
+            }
+            engine_draw_frame(engine);
+        }
+        if (nfd < 0) {
            LOGI("Engine error in poll: %s\n", strerror(errno));
            // Should cleanly exit!
            continue;
@@ -102,13 +216,23 @@ static void* engine_entry(void* param) {
                    case ENGINE_CMD_WINDOW_CHANGED:
                        LOGI("Engine: ENGINE_CMD_WINDOW_CHANGED\n");
                        pthread_mutex_lock(&engine->mutex);
+                        engine_term_display(engine);
                        engine->window = engine->pendingWindow;
+                        if (engine->window != NULL) {
+                            engine_init_display(engine);
+                            engine_draw_frame(engine);
+                        }
                        pthread_cond_broadcast(&engine->cond);
                        pthread_mutex_unlock(&engine->mutex);
                        break;
+                    case ENGINE_CMD_LOST_FOCUS:
+                        engine->animating = 0;
+                        engine_draw_frame(engine);
+                        break;
                    case ENGINE_CMD_DESTROY:
                        LOGI("Engine: ENGINE_CMD_DESTROY\n");
                        pthread_mutex_lock(&engine->mutex);
+                        engine_term_display(engine);
                        engine->destroyed = 1;
                        pthread_cond_broadcast(&engine->cond);
                        pthread_mutex_unlock(&engine->mutex);
@@ -123,6 +247,12 @@ static void* engine_entry(void* param) {
            AInputEvent* event = NULL;
            if (AInputQueue_getEvent(engine->inputQueue, &event) >= 0) {
                LOGI("New input event: type=%d\n", AInputEvent_getType(event));
+                if (AInputEvent_getType(event) == INPUT_EVENT_TYPE_MOTION) {
+                    engine->animating = 1;
+                    engine->x = AMotionEvent_getX(event, 0);
+                    engine->y = AMotionEvent_getY(event, 0);
+                    engine_draw_frame(engine);
+                }
                AInputQueue_finishEvent(engine->inputQueue, event, 0);
            } else {
                LOGI("Failure reading next input event: %s\n", strerror(errno));
@@ -201,6 +331,10 @@ static void engine_destroy(struct engine* engine) {
    pthread_mutex_destroy(&engine->mutex);
 }

+// --------------------------------------------------------------------
+// Native activity interaction (called from main thread)
+// --------------------------------------------------------------------
+
 static void onDestroy(ANativeActivity* activity)
 {
    LOGI("Destroy: %p\n", activity);
@@ -241,6 +375,8 @@ static void onLowMemory(ANativeActivity* activity)
 static void onWindowFocusChanged(ANativeActivity* activity, int focused)
 {
    LOGI("WindowFocusChanged: %p -- %d\n", activity, focused);
+    engine_write_cmd((struct engine*)activity->instance,
+            focused ? ENGINE_CMD_GAINED_FOCUS : ENGINE_CMD_LOST_FOCUS);
 }

 static void onNativeWindowCreated(ANativeActivity* activity, ANativeWindow* window)
@@ -249,12 +385,6 @@ static void onNativeWindowCreated(ANativeActivity* activity, ANativeWindow* wind
    engine_set_window((struct engine*)activity->instance, window);
 }

-static void onNativeWindowChanged(ANativeActivity* activity, ANativeWindow* window)
-{
-    LOGI("NativeWindowChanged: %p -- %p\n", activity, window);
-    engine_set_window((struct engine*)activity->instance, window);
-}
-
 static void onNativeWindowDestroyed(ANativeActivity* activity, ANativeWindow* window)
 {
    LOGI("NativeWindowDestroyed: %p -- %p\n", activity, window);
@@ -286,7 +416,6 @@ void ANativeActivity_onCreate(ANativeActivity* activity,
    activity->callbacks->onLowMemory = onLowMemory;
    activity->callbacks->onWindowFocusChanged = onWindowFocusChanged;
    activity->callbacks->onNativeWindowCreated = onNativeWindowCreated;
-    activity->callbacks->onNativeWindowChanged = onNativeWindowChanged;
    activity->callbacks->onNativeWindowDestroyed = onNativeWindowDestroyed;
    activity->callbacks->onInputQueueCreated = onInputQueueCreated;
    activity->callbacks->onInputQueueDestroyed = onInputQueueDestroyed;