1 /*
2  * Copyright (C) 2015 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 #include "renderstate/PixelBufferState.h"
17 
18 namespace android {
19 namespace uirenderer {
20 
PixelBufferState()21 PixelBufferState::PixelBufferState() : mCurrentPixelBuffer(0) {}
22 
bind(GLuint buffer)23 bool PixelBufferState::bind(GLuint buffer) {
24     if (mCurrentPixelBuffer != buffer) {
25         glBindBuffer(GL_PIXEL_UNPACK_BUFFER, buffer);
26         mCurrentPixelBuffer = buffer;
27         return true;
28     }
29     return false;
30 }
31 
unbind()32 bool PixelBufferState::unbind() {
33     if (mCurrentPixelBuffer) {
34         glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
35         mCurrentPixelBuffer = 0;
36         return true;
37     }
38     return false;
39 }
40 
41 } /* namespace uirenderer */
42 } /* namespace android */
43