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 
23 namespace android {
24 
25 // Fill a YV12 buffer with a multi-colored checkerboard pattern
26 void 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.
29 void fillYV12BufferRect(uint8_t* buf, int w, int h, int stride,
30         const android_native_rect_t& rect);
31 
32 void 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().
39 void produceOneRGBA8Frame(const sp<ANativeWindow>& anw);
40 
41 } // namespace android
42 
43 #endif
44