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()21PixelBufferState::PixelBufferState() 22 : mCurrentPixelBuffer(0) { 23 } 24 bind(GLuint buffer)25bool PixelBufferState::bind(GLuint buffer) { 26 if (mCurrentPixelBuffer != buffer) { 27 glBindBuffer(GL_PIXEL_UNPACK_BUFFER, buffer); 28 mCurrentPixelBuffer = buffer; 29 return true; 30 } 31 return false; 32 } 33 unbind()34bool PixelBufferState::unbind() { 35 if (mCurrentPixelBuffer) { 36 glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0); 37 mCurrentPixelBuffer = 0; 38 return true; 39 } 40 return false; 41 } 42 43 } /* namespace uirenderer */ 44 } /* namespace android */ 45 46