eclair snapshot
diff --git a/include/ui/egl/android_natives.h b/include/ui/egl/android_natives.h
new file mode 100644
index 0000000..3740db5
--- /dev/null
+++ b/include/ui/egl/android_natives.h
@@ -0,0 +1,263 @@
+/*
+ * Copyright (C) 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_ANDROID_NATIVES_H
+#define ANDROID_ANDROID_NATIVES_H
+
+#include <sys/types.h>
+#include <string.h>
+
+#include <hardware/gralloc.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*****************************************************************************/
+
+#define ANDROID_NATIVE_MAKE_CONSTANT(a,b,c,d) \
+ (((unsigned)(a)<<24)|((unsigned)(b)<<16)|((unsigned)(c)<<8)|(unsigned)(d))
+
+#define ANDROID_NATIVE_WINDOW_MAGIC \
+ ANDROID_NATIVE_MAKE_CONSTANT('_','w','n','d')
+
+#define ANDROID_NATIVE_BUFFER_MAGIC \
+ ANDROID_NATIVE_MAKE_CONSTANT('_','b','f','r')
+
+// ---------------------------------------------------------------------------
+
+struct android_native_buffer_t;
+
+// ---------------------------------------------------------------------------
+
+typedef struct android_native_base_t
+{
+ /* a magic value defined by the actual EGL native type */
+ int magic;
+
+ /* the sizeof() of the actual EGL native type */
+ int version;
+
+ void* reserved[4];
+
+ /* reference-counting interface */
+ void (*incRef)(struct android_native_base_t* base);
+ void (*decRef)(struct android_native_base_t* base);
+} android_native_base_t;
+
+// ---------------------------------------------------------------------------
+
+/* attributes queriable with query() */
+enum {
+ NATIVE_WINDOW_WIDTH = 0,
+ NATIVE_WINDOW_HEIGHT = 1,
+ NATIVE_WINDOW_FORMAT = 2,
+};
+
+/* valid operations for the (*perform)() hook */
+enum {
+ NATIVE_WINDOW_SET_USAGE = 0
+};
+
+typedef struct android_native_window_t
+{
+#ifdef __cplusplus
+ android_native_window_t()
+ : flags(0), minSwapInterval(0), maxSwapInterval(0), xdpi(0), ydpi(0)
+ {
+ common.magic = ANDROID_NATIVE_WINDOW_MAGIC;
+ common.version = sizeof(android_native_window_t);
+ memset(common.reserved, 0, sizeof(common.reserved));
+ }
+#endif
+
+ struct android_native_base_t common;
+
+ /* flags describing some attributes of this surface or its updater */
+ const uint32_t flags;
+
+ /* min swap interval supported by this updated */
+ const int minSwapInterval;
+
+ /* max swap interval supported by this updated */
+ const int maxSwapInterval;
+
+ /* horizontal and vertical resolution in DPI */
+ const float xdpi;
+ const float ydpi;
+
+ /* Some storage reserved for the OEM's driver. */
+ intptr_t oem[4];
+
+
+ /*
+ * Set the swap interval for this surface.
+ *
+ * Returns 0 on success or -errno on error.
+ */
+ int (*setSwapInterval)(struct android_native_window_t* window,
+ int interval);
+
+ /*
+ * hook called by EGL to acquire a buffer. After this call, the buffer
+ * is not locked, so its content cannot be modified.
+ * this call may block if no buffers are available.
+ *
+ * Returns 0 on success or -errno on error.
+ */
+ int (*dequeueBuffer)(struct android_native_window_t* window,
+ struct android_native_buffer_t** buffer);
+
+ /*
+ * hook called by EGL to lock a buffer. This MUST be called before modifying
+ * the content of a buffer. The buffer must have been acquired with
+ * dequeueBuffer first.
+ *
+ * Returns 0 on success or -errno on error.
+ */
+ int (*lockBuffer)(struct android_native_window_t* window,
+ struct android_native_buffer_t* buffer);
+ /*
+ * hook called by EGL when modifications to the render buffer are done.
+ * This unlocks and post the buffer.
+ *
+ * Buffers MUST be queued in the same order than they were dequeued.
+ *
+ * Returns 0 on success or -errno on error.
+ */
+ int (*queueBuffer)(struct android_native_window_t* window,
+ struct android_native_buffer_t* buffer);
+
+ /*
+ * hook used to retrieve information about the native window.
+ *
+ * Returns 0 on success or -errno on error.
+ */
+ int (*query)(struct android_native_window_t* window,
+ int what, int* value);
+
+ /*
+ * hook used to perform various operations on the surface.
+ * (*perform)() is a generic mechanism to add functionality to
+ * android_native_window_t while keeping backward binary compatibility.
+ *
+ * This hook should not be called directly, instead use the helper functions
+ * defined below.
+ *
+ * The valid operations are:
+ * NATIVE_WINDOW_SET_USAGE
+ *
+ */
+
+ int (*perform)(struct android_native_window_t* window,
+ int operation, ... );
+
+ void* reserved_proc[3];
+} android_native_window_t;
+
+
+/*
+ * native_window_set_usage() sets the intended usage flags for the next
+ * buffers acquired with (*lockBuffer)() and on.
+ * By default (if this function is never called), a usage of
+ * GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE
+ * is assumed.
+ * Calling this function will usually cause following buffers to be
+ * reallocated.
+ */
+
+static inline int native_window_set_usage(
+ android_native_window_t* window, int usage)
+{
+ return window->perform(window, NATIVE_WINDOW_SET_USAGE, usage);
+}
+
+
+// ---------------------------------------------------------------------------
+
+/* FIXME: this is legacy for pixmaps */
+typedef 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;
+} egl_native_pixmap_t;
+
+/*****************************************************************************/
+
+#ifdef __cplusplus
+}
+#endif
+
+
+/*****************************************************************************/
+
+#ifdef __cplusplus
+
+#include <utils/RefBase.h>
+
+namespace android {
+
+/*
+ * This helper class turns an EGL android_native_xxx type into a C++
+ * reference-counted object; with proper type conversions.
+ */
+template <typename NATIVE_TYPE, typename TYPE, typename REF>
+class EGLNativeBase : public NATIVE_TYPE, public REF
+{
+protected:
+ typedef EGLNativeBase<NATIVE_TYPE, TYPE, REF> BASE;
+ EGLNativeBase() : NATIVE_TYPE(), REF() {
+ NATIVE_TYPE::common.incRef = incRef;
+ NATIVE_TYPE::common.decRef = decRef;
+ }
+ static inline TYPE* getSelf(NATIVE_TYPE* self) {
+ return static_cast<TYPE*>(self);
+ }
+ static inline TYPE const* getSelf(NATIVE_TYPE const* self) {
+ return static_cast<TYPE const *>(self);
+ }
+ static inline TYPE* getSelf(android_native_base_t* base) {
+ return getSelf(reinterpret_cast<NATIVE_TYPE*>(base));
+ }
+ static inline TYPE const * getSelf(android_native_base_t const* base) {
+ return getSelf(reinterpret_cast<NATIVE_TYPE const*>(base));
+ }
+ static void incRef(android_native_base_t* base) {
+ EGLNativeBase* self = getSelf(base);
+ self->incStrong(self);
+ }
+ static void decRef(android_native_base_t* base) {
+ EGLNativeBase* self = getSelf(base);
+ self->decStrong(self);
+ }
+};
+
+} // namespace android
+#endif // __cplusplus
+
+/*****************************************************************************/
+
+#endif /* ANDROID_ANDROID_NATIVES_H */