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
setBuffer(GLuint size,GLuint usage,const GLvoid * data)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 memcpy(m_data,data,size);
29 m_conversionManager.clear();
30 m_conversionManager.addRange(Range(0,m_size));
31 return true;
32 }
33 return false;
34 }
35
setSubBuffer(GLint offset,GLuint size,const GLvoid * data)36 bool GLESbuffer::setSubBuffer(GLint offset,GLuint size,const GLvoid* data) {
37 if(offset + size > m_size) return false;
38 memcpy(m_data+offset,data,size);
39 m_conversionManager.addRange(Range(offset,size));
40 m_conversionManager.merge();
41 return true;
42 }
43
getConversions(const RangeList & rIn,RangeList & rOut)44 void GLESbuffer::getConversions(const RangeList& rIn,RangeList& rOut) {
45 m_conversionManager.delRanges(rIn,rOut);
46 rOut.merge();
47 }
48
~GLESbuffer()49 GLESbuffer::~GLESbuffer() {
50 if(m_data) {
51 delete [] m_data;
52 }
53 }
54