Initial Contribution
diff --git a/include/GLES/eglnatives.h b/include/GLES/eglnatives.h
new file mode 100644
index 0000000..f9e544c
--- /dev/null
+++ b/include/GLES/eglnatives.h
@@ -0,0 +1,276 @@
+/*
+ * Copyright (C) 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
+ *
+ * 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_EGLNATIVES_H
+#define ANDROID_EGLNATIVES_H
+
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+/*****************************************************************************/
+
+struct egl_native_window_t;
+struct egl_native_pixmap_t;
+
+
+typedef struct egl_native_window_t* NativeWindowType;
+typedef struct egl_native_pixmap_t* NativePixmapType;
+typedef void* NativeDisplayType;
+
+/*
+ * This a conveniance function to create a NativeWindowType surface
+ * that maps to the whole screen
+ * This function is actually implemented in libui.so
+ */
+
+NativeWindowType android_createDisplaySurface();
+
+/* flags returned from swapBuffer */
+#define EGL_NATIVES_FLAG_SIZE_CHANGED 0x00000001
+
+/* surface flags */
+#define EGL_NATIVES_FLAG_DESTROY_BACKBUFFER 0x00000001
+
+enum native_pixel_format_t
+{
+ NATIVE_PIXEL_FORMAT_RGBA_8888 = 1,
+ NATIVE_PIXEL_FORMAT_RGB_565 = 4,
+ NATIVE_PIXEL_FORMAT_RGBA_5551 = 6,
+ NATIVE_PIXEL_FORMAT_RGBA_4444 = 7,
+ NATIVE_PIXEL_FORMAT_YCbCr_422_SP= 0x10,
+ NATIVE_PIXEL_FORMAT_YCbCr_420_SP= 0x11,
+};
+
+enum native_memory_type_t
+{
+ NATIVE_MEMORY_TYPE_PMEM = 0,
+ NATIVE_MEMORY_TYPE_GPU = 1,
+ NATIVE_MEMORY_TYPE_FB = 2,
+ NATIVE_MEMORY_TYPE_HEAP = 128
+};
+
+
+struct egl_native_window_t
+{
+ /*
+ * magic must be set to 0x600913
+ */
+ uint32_t magic;
+
+ /*
+ * must be sizeof(egl_native_window_t)
+ */
+ uint32_t version;
+
+ /*
+ * ident is reserved for the Android platform
+ */
+ uint32_t ident;
+
+ /*
+ * width, height and stride of the window in pixels
+ * Any of these value can be nul in which case GL commands are
+ * accepted and processed as usual, but not rendering occurs.
+ */
+ int width; // w=h=0 is legal
+ int height;
+ int stride;
+
+ /*
+ * format of the native window (see ui/PixelFormat.h)
+ */
+ int format;
+
+ /*
+ * Offset of the bits in the VRAM
+ */
+ intptr_t offset;
+
+ /*
+ * flags describing some attributes of this surface
+ * EGL_NATIVES_FLAG_DESTROY_BACKBUFFER: backbuffer not preserved after
+ * eglSwapBuffers
+ */
+ uint32_t flags;
+
+ /*
+ * horizontal and vertical resolution in DPI
+ */
+ float xdpi;
+ float ydpi;
+
+ /*
+ * refresh rate in frames per second (Hz)
+ */
+ float fps;
+
+
+ /*
+ * Base memory virtual address of the surface in the CPU side
+ */
+ intptr_t base;
+
+ /*
+ * Heap the offset above is based from
+ */
+ int fd;
+
+ /*
+ * Memory type the surface resides into
+ */
+ uint8_t memory_type;
+
+ /*
+ * Reserved for future use. MUST BE ZERO.
+ */
+ uint8_t reserved_pad[3];
+ int reserved[8];
+
+ /*
+ * Vertical stride (only relevant with planar formats)
+ */
+
+ int vstride;
+
+ /*
+ * Hook called by EGL to hold a reference on this structure
+ */
+ void (*incRef)(NativeWindowType window);
+
+ /*
+ * Hook called by EGL to release a reference on this structure
+ */
+ void (*decRef)(NativeWindowType window);
+
+ /*
+ * Hook called by EGL to perform a page flip. This function
+ * may update the size attributes above, in which case it returns
+ * the EGL_NATIVES_FLAG_SIZE_CHANGED bit set.
+ */
+ uint32_t (*swapBuffers)(NativeWindowType window);
+
+ /*
+ * Hook called by EGL to set the swap rectangle. this hook can be
+ * null (operation not supported)
+ */
+ void (*setSwapRectangle)(NativeWindowType window, int l, int t, int w, int h);
+
+ /*
+ * Reserved for future use. MUST BE ZERO.
+ */
+ void (*reserved_proc_0)(void);
+
+
+ /*
+ * Hook called by EGL to retrieve the next buffer to render into.
+ * This call updates this structure.
+ */
+ uint32_t (*nextBuffer)(NativeWindowType window);
+
+ /*
+ * Hook called by EGL when the native surface is associated to EGL
+ * (eglCreateWindowSurface). Can be NULL.
+ */
+ void (*connect)(NativeWindowType window);
+
+ /*
+ * Hook called by EGL when eglDestroySurface is called. Can be NULL.
+ */
+ void (*disconnect)(NativeWindowType window);
+
+ /*
+ * Reserved for future use. MUST BE ZERO.
+ */
+ void (*reserved_proc[11])(void);
+
+ /*
+ * Some storage reserved for the oem driver.
+ */
+ intptr_t oem[4];
+};
+
+
+struct egl_native_pixmap_t
+{
+ int32_t version; /* must be 32 */
+ int32_t width;
+ int32_t height;
+ int32_t stride;
+ uint8_t* data;
+ uint8_t format;
+ uint8_t rfu[3];
+ union {
+ uint32_t compressedFormat;
+ int32_t vstride;
+ };
+ int32_t reserved;
+};
+
+/*****************************************************************************/
+
+/*
+ * OEM's egl's library (libhgl.so) must imlement these hooks to allocate
+ * the GPU memory they need
+ */
+
+
+typedef struct
+{
+ // for internal use
+ void* user;
+ // virtual address of this area
+ void* base;
+ // size of this area in bytes
+ size_t size;
+ // physical address of this area
+ void* phys;
+ // offset in this area available to the GPU
+ size_t offset;
+ // fd of this area
+ int fd;
+} gpu_area_t;
+
+typedef struct
+{
+ // area where GPU registers are mapped
+ gpu_area_t regs;
+ // number of extra areas (currently limited to 2)
+ int32_t count;
+ // extra GPU areas (currently limited to 2)
+ gpu_area_t gpu[2];
+} request_gpu_t;
+
+
+typedef request_gpu_t* (*OEM_EGL_acquire_gpu_t)(void* user);
+typedef int (*OEM_EGL_release_gpu_t)(void* user, request_gpu_t* handle);
+typedef void (*register_gpu_t)
+ (void* user, OEM_EGL_acquire_gpu_t, OEM_EGL_release_gpu_t);
+
+void oem_register_gpu(
+ void* user,
+ OEM_EGL_acquire_gpu_t acquire,
+ OEM_EGL_release_gpu_t release);
+
+
+/*****************************************************************************/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ANDROID_EGLNATIVES_H */