|  | /* | 
|  | * Copyright 2013 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_FILL_BUFFER_H | 
|  | #define ANDROID_FILL_BUFFER_H | 
|  |  | 
|  | #include <system/window.h> | 
|  | #include <utils/StrongPointer.h> | 
|  |  | 
|  | namespace android { | 
|  |  | 
|  | // Fill a YV12 buffer with a multi-colored checkerboard pattern | 
|  | void fillYV12Buffer(uint8_t* buf, int w, int h, int stride); | 
|  |  | 
|  | // Fill a YV12 buffer with red outside a given rectangle and green inside it. | 
|  | void fillYV12BufferRect(uint8_t* buf, int w, int h, int stride, | 
|  | const android_native_rect_t& rect); | 
|  |  | 
|  | void fillRGBA8Buffer(uint8_t* buf, int w, int h, int stride); | 
|  |  | 
|  | // Produce a single RGBA8 frame by filling a buffer with a checkerboard pattern | 
|  | // using the CPU.  This assumes that the ANativeWindow is already configured to | 
|  | // allow this to be done (e.g. the format is set to RGBA8). | 
|  | // | 
|  | // Calls to this function should be wrapped in an ASSERT_NO_FATAL_FAILURE(). | 
|  | void produceOneRGBA8Frame(const sp<ANativeWindow>& anw); | 
|  |  | 
|  | } // namespace android | 
|  |  | 
|  | #endif |