native_window.cpp revision 949be32b671304d5281ac0abbf30dcf4ebaa9eaf
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "Surface" 18#include <utils/Log.h> 19 20#include <android/native_window_jni.h> 21#include <surfaceflinger/Surface.h> 22#include <android_runtime/android_view_Surface.h> 23#include <android_runtime/android_graphics_ParcelSurfaceTexture.h> 24#include <android_runtime/android_graphics_SurfaceTexture.h> 25 26using namespace android; 27 28ANativeWindow* ANativeWindow_fromSurface(JNIEnv* env, jobject surface) { 29 sp<ANativeWindow> win; 30 if (android_Surface_isInstanceOf(env, surface)) { 31 win = android_Surface_getNativeWindow(env, surface); 32 } else if (android_SurfaceTexture_isInstanceOf(env, surface)) { 33 win = android_SurfaceTexture_getNativeWindow(env, surface); 34 } else if (android_ParcelSurfaceTexture_isInstanceOf(env, surface)) { 35 win = android_ParcelSurfaceTexture_getNativeWindow(env, surface); 36 } 37 if (win != NULL) { 38 win->incStrong((void*)ANativeWindow_acquire); 39 } 40 return win.get(); 41} 42 43ANativeWindow* ANativeWindow_fromSurfaceTexture(JNIEnv* env, jobject surfaceTexture) { 44 sp<ANativeWindow> win = android_SurfaceTexture_getNativeWindow(env, surfaceTexture); 45 if (win != NULL) { 46 win->incStrong((void*)ANativeWindow_acquire); 47 } 48 return win.get(); 49} 50 51void ANativeWindow_acquire(ANativeWindow* window) { 52 window->incStrong((void*)ANativeWindow_acquire); 53} 54 55void ANativeWindow_release(ANativeWindow* window) { 56 window->decStrong((void*)ANativeWindow_acquire); 57} 58 59static int32_t getWindowProp(ANativeWindow* window, int what) { 60 int value; 61 int res = window->query(window, what, &value); 62 return res < 0 ? res : value; 63} 64 65int32_t ANativeWindow_getWidth(ANativeWindow* window) { 66 return getWindowProp(window, NATIVE_WINDOW_WIDTH); 67} 68 69int32_t ANativeWindow_getHeight(ANativeWindow* window) { 70 return getWindowProp(window, NATIVE_WINDOW_HEIGHT); 71} 72 73int32_t ANativeWindow_getFormat(ANativeWindow* window) { 74 return getWindowProp(window, NATIVE_WINDOW_FORMAT); 75} 76 77int32_t ANativeWindow_setBuffersGeometry(ANativeWindow* window, int32_t width, 78 int32_t height, int32_t format) { 79 return native_window_set_buffers_geometry(window, width, height, format); 80} 81 82int32_t ANativeWindow_lock(ANativeWindow* window, ANativeWindow_Buffer* outBuffer, 83 ARect* inOutDirtyBounds) { 84 return window->perform(window, NATIVE_WINDOW_LOCK, outBuffer, inOutDirtyBounds); 85} 86 87int32_t ANativeWindow_unlockAndPost(ANativeWindow* window) { 88 return window->perform(window, NATIVE_WINDOW_UNLOCK_AND_POST); 89} 90