1/*
2 * Copyright 2013 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#ifndef ANDROID_FILL_BUFFER_H
18#define ANDROID_FILL_BUFFER_H
19
20#include <system/window.h>
21#include <utils/StrongPointer.h>
22
23namespace android {
24
25// Fill a YV12 buffer with a multi-colored checkerboard pattern
26void fillYV12Buffer(uint8_t* buf, int w, int h, int stride);
27
28// Fill a YV12 buffer with red outside a given rectangle and green inside it.
29void fillYV12BufferRect(uint8_t* buf, int w, int h, int stride,
30        const android_native_rect_t& rect);
31
32void fillRGBA8Buffer(uint8_t* buf, int w, int h, int stride);
33
34// Produce a single RGBA8 frame by filling a buffer with a checkerboard pattern
35// using the CPU.  This assumes that the ANativeWindow is already configured to
36// allow this to be done (e.g. the format is set to RGBA8).
37//
38// Calls to this function should be wrapped in an ASSERT_NO_FATAL_FAILURE().
39void produceOneRGBA8Frame(const sp<ANativeWindow>& anw);
40
41} // namespace android
42
43#endif
44