native_window.cpp revision 846db33313aa0899fa7928256c6734964bd92520
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_SurfaceTexture.h> 24 25using namespace android; 26 27ANativeWindow* ANativeWindow_fromSurface(JNIEnv* env, jobject surface) { 28 sp<ANativeWindow> win = android_Surface_getNativeWindow(env, surface); 29 if (win != NULL) { 30 win->incStrong((void*)ANativeWindow_acquire); 31 } 32 return win.get(); 33} 34 35ANativeWindow* ANativeWindow_fromSurfaceTexture(JNIEnv* env, jobject surfaceTexture) { 36 sp<ANativeWindow> win = android_SurfaceTexture_getNativeWindow(env, surfaceTexture); 37 if (win != NULL) { 38 win->incStrong((void*)ANativeWindow_acquire); 39 } 40 return win.get(); 41} 42 43void ANativeWindow_acquire(ANativeWindow* window) { 44 window->incStrong((void*)ANativeWindow_acquire); 45} 46 47void ANativeWindow_release(ANativeWindow* window) { 48 window->decStrong((void*)ANativeWindow_acquire); 49} 50 51static int32_t getWindowProp(ANativeWindow* window, int what) { 52 int value; 53 int res = window->query(window, what, &value); 54 return res < 0 ? res : value; 55} 56 57int32_t ANativeWindow_getWidth(ANativeWindow* window) { 58 return getWindowProp(window, NATIVE_WINDOW_WIDTH); 59} 60 61int32_t ANativeWindow_getHeight(ANativeWindow* window) { 62 return getWindowProp(window, NATIVE_WINDOW_HEIGHT); 63} 64 65int32_t ANativeWindow_getFormat(ANativeWindow* window) { 66 return getWindowProp(window, NATIVE_WINDOW_FORMAT); 67} 68 69int32_t ANativeWindow_setBuffersGeometry(ANativeWindow* window, int32_t width, 70 int32_t height, int32_t format) { 71 native_window_set_buffers_geometry(window, width, height, format); 72 return 0; 73} 74 75int32_t ANativeWindow_lock(ANativeWindow* window, ANativeWindow_Buffer* outBuffer, 76 ARect* inOutDirtyBounds) { 77 Region dirtyRegion; 78 Region* dirtyParam = NULL; 79 if (inOutDirtyBounds != NULL) { 80 dirtyRegion.set(*(Rect*)inOutDirtyBounds); 81 dirtyParam = &dirtyRegion; 82 } 83 84 Surface::SurfaceInfo info; 85 status_t res = static_cast<Surface*>(window)->lock(&info, dirtyParam); 86 if (res != OK) { 87 return -1; 88 } 89 90 outBuffer->width = (int32_t)info.w; 91 outBuffer->height = (int32_t)info.h; 92 outBuffer->stride = (int32_t)info.s; 93 outBuffer->format = (int32_t)info.format; 94 outBuffer->bits = info.bits; 95 96 if (inOutDirtyBounds != NULL) { 97 *inOutDirtyBounds = dirtyRegion.getBounds(); 98 } 99 100 return 0; 101} 102 103int32_t ANativeWindow_unlockAndPost(ANativeWindow* window) { 104 status_t res = static_cast<Surface*>(window)->unlockAndPost(); 105 return res == android::OK ? 0 : -1; 106} 107