PixelBufferState.cpp revision 96a5c4c7bab6718524de7253da8309143ab48bef
196a5c4c7bab6718524de7253da8309143ab48befChris Craik/* 296a5c4c7bab6718524de7253da8309143ab48befChris Craik * Copyright (C) 2015 The Android Open Source Project 396a5c4c7bab6718524de7253da8309143ab48befChris Craik * 496a5c4c7bab6718524de7253da8309143ab48befChris Craik * Licensed under the Apache License, Version 2.0 (the "License"); 596a5c4c7bab6718524de7253da8309143ab48befChris Craik * you may not use this file except in compliance with the License. 696a5c4c7bab6718524de7253da8309143ab48befChris Craik * You may obtain a copy of the License at 796a5c4c7bab6718524de7253da8309143ab48befChris Craik * 896a5c4c7bab6718524de7253da8309143ab48befChris Craik * http://www.apache.org/licenses/LICENSE-2.0 996a5c4c7bab6718524de7253da8309143ab48befChris Craik * 1096a5c4c7bab6718524de7253da8309143ab48befChris Craik * Unless required by applicable law or agreed to in writing, software 1196a5c4c7bab6718524de7253da8309143ab48befChris Craik * distributed under the License is distributed on an "AS IS" BASIS, 1296a5c4c7bab6718524de7253da8309143ab48befChris Craik * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1396a5c4c7bab6718524de7253da8309143ab48befChris Craik * See the License for the specific language governing permissions and 1496a5c4c7bab6718524de7253da8309143ab48befChris Craik * limitations under the License. 1596a5c4c7bab6718524de7253da8309143ab48befChris Craik */ 1696a5c4c7bab6718524de7253da8309143ab48befChris Craik#include "renderstate/PixelBufferState.h" 1796a5c4c7bab6718524de7253da8309143ab48befChris Craik 1896a5c4c7bab6718524de7253da8309143ab48befChris Craiknamespace android { 1996a5c4c7bab6718524de7253da8309143ab48befChris Craiknamespace uirenderer { 2096a5c4c7bab6718524de7253da8309143ab48befChris Craik 2196a5c4c7bab6718524de7253da8309143ab48befChris CraikPixelBufferState::PixelBufferState() 2296a5c4c7bab6718524de7253da8309143ab48befChris Craik : mCurrentPixelBuffer(0) { 2396a5c4c7bab6718524de7253da8309143ab48befChris Craik} 2496a5c4c7bab6718524de7253da8309143ab48befChris Craik 2596a5c4c7bab6718524de7253da8309143ab48befChris Craikbool PixelBufferState::bind(GLuint buffer) { 2696a5c4c7bab6718524de7253da8309143ab48befChris Craik if (mCurrentPixelBuffer != buffer) { 2796a5c4c7bab6718524de7253da8309143ab48befChris Craik glBindBuffer(GL_PIXEL_UNPACK_BUFFER, buffer); 2896a5c4c7bab6718524de7253da8309143ab48befChris Craik mCurrentPixelBuffer = buffer; 2996a5c4c7bab6718524de7253da8309143ab48befChris Craik return true; 3096a5c4c7bab6718524de7253da8309143ab48befChris Craik } 3196a5c4c7bab6718524de7253da8309143ab48befChris Craik return false; 3296a5c4c7bab6718524de7253da8309143ab48befChris Craik} 3396a5c4c7bab6718524de7253da8309143ab48befChris Craik 3496a5c4c7bab6718524de7253da8309143ab48befChris Craikbool PixelBufferState::unbind() { 3596a5c4c7bab6718524de7253da8309143ab48befChris Craik if (mCurrentPixelBuffer) { 3696a5c4c7bab6718524de7253da8309143ab48befChris Craik glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0); 3796a5c4c7bab6718524de7253da8309143ab48befChris Craik mCurrentPixelBuffer = 0; 3896a5c4c7bab6718524de7253da8309143ab48befChris Craik return true; 3996a5c4c7bab6718524de7253da8309143ab48befChris Craik } 4096a5c4c7bab6718524de7253da8309143ab48befChris Craik return false; 4196a5c4c7bab6718524de7253da8309143ab48befChris Craik} 4296a5c4c7bab6718524de7253da8309143ab48befChris Craik 4396a5c4c7bab6718524de7253da8309143ab48befChris Craik} /* namespace uirenderer */ 4496a5c4c7bab6718524de7253da8309143ab48befChris Craik} /* namespace android */ 4596a5c4c7bab6718524de7253da8309143ab48befChris Craik 46