1 /* 2 * Copyright (C) 2011 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 <GLcommon/GLESbuffer.h> 17 #include <string.h> 18 19 bool GLESbuffer::setBuffer(GLuint size,GLuint usage,const GLvoid* data) { 20 m_size = size; 21 m_usage = usage; 22 if(m_data) { 23 delete [] m_data; 24 m_data = NULL; 25 } 26 m_data = new unsigned char[size]; 27 if(m_data) { 28 if(data) { 29 memcpy(m_data,data,size); 30 } 31 m_conversionManager.clear(); 32 m_conversionManager.addRange(Range(0,m_size)); 33 return true; 34 } 35 return false; 36 } 37 38 bool GLESbuffer::setSubBuffer(GLint offset,GLuint size,const GLvoid* data) { 39 if(offset + size > m_size) return false; 40 memcpy(m_data+offset,data,size); 41 m_conversionManager.addRange(Range(offset,size)); 42 m_conversionManager.merge(); 43 return true; 44 } 45 46 void GLESbuffer::getConversions(const RangeList& rIn,RangeList& rOut) { 47 m_conversionManager.delRanges(rIn,rOut); 48 rOut.merge(); 49 } 50 51 GLESbuffer::~GLESbuffer() { 52 if(m_data) { 53 delete [] m_data; 54 } 55 } 56