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 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
setSubBuffer(GLint offset,GLuint size,const GLvoid * data)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
getConversions(const RangeList & rIn,RangeList & rOut)46 void GLESbuffer::getConversions(const RangeList& rIn,RangeList& rOut) {
47 m_conversionManager.delRanges(rIn,rOut);
48 rOut.merge();
49 }
50
~GLESbuffer()51 GLESbuffer::~GLESbuffer() {
52 if(m_data) {
53 delete [] m_data;
54 }
55 }
56