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      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/GLESpointer.h>
     17 #include <stdlib.h>
     18 
     19 GLESpointer::GLESpointer():m_size(4),
     20                            m_type(GL_FLOAT),
     21                            m_stride(0),
     22                            m_enabled(false),
     23                            m_normalize(false),
     24                            m_data(NULL),
     25                            m_buffer(NULL),
     26                            m_bufferName(0),
     27                            m_buffOffset(0),
     28                            m_isVBO(false){};
     29 
     30 
     31 GLenum GLESpointer:: getType() const {
     32     return m_type;
     33 }
     34 
     35 GLint GLESpointer::getSize() const  {
     36     return m_size;
     37 }
     38 
     39 GLsizei GLESpointer::getStride() const {
     40     return m_stride;
     41 }
     42 
     43 const GLvoid* GLESpointer::getArrayData() const {
     44     return m_data;
     45 }
     46 
     47 GLvoid* GLESpointer::getBufferData() const {
     48     return  m_buffer ? static_cast<unsigned char*>(m_buffer->getData()) + m_buffOffset : NULL;
     49 }
     50 
     51 const GLvoid* GLESpointer::getData() const{
     52     return m_isVBO ? getBufferData():getArrayData();
     53 }
     54 
     55 void GLESpointer::redirectPointerData(){
     56     m_data = getBufferData();
     57 }
     58 
     59 GLuint GLESpointer::getBufferName() const {
     60     return m_bufferName;
     61 }
     62 
     63 unsigned int GLESpointer::getBufferOffset() const {
     64 
     65     return  m_buffOffset;
     66 }
     67 
     68 bool GLESpointer::isEnable() const {
     69     return m_enabled;
     70 }
     71 
     72 bool GLESpointer::isNormalize() const {
     73     return m_normalize;
     74 }
     75 
     76 bool GLESpointer::isVBO() const {
     77     return m_isVBO;
     78 }
     79 
     80 void GLESpointer::enable(bool b) {
     81     m_enabled = b;
     82 }
     83 
     84 void GLESpointer::setArray(GLint size,GLenum type,GLsizei stride,const GLvoid* data,bool normalize) {
     85     m_size   = size;
     86     m_type   = type;
     87     m_stride = stride;
     88     m_data   = data;
     89     m_buffer = NULL;
     90     m_bufferName = 0;
     91     m_normalize = normalize;
     92     m_isVBO = false;
     93 }
     94 
     95 void GLESpointer::setBuffer(GLint size,GLenum type,GLsizei stride,GLESbuffer* buf,GLuint bufferName,int offset,bool normalize) {
     96     m_size   = size;
     97     m_type   = type;
     98     m_stride = stride;
     99     m_data   = NULL;
    100     m_buffer = buf;
    101     m_bufferName = bufferName;
    102     m_buffOffset = offset;
    103     m_normalize = normalize;
    104     m_isVBO = true;
    105 }
    106 
    107 void GLESpointer::getBufferConversions(const RangeList& rl,RangeList& rlOut) {
    108     m_buffer->getConversions(rl,rlOut);
    109 }
    110