104 lines
2.6 KiB
C++
104 lines
2.6 KiB
C++
|
/*
|
||
|
|
** Copyright 2008, The Android Open Source Project
|
||
|
|
**
|
||
|
|
** Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
** you may not use this file except in compliance with the License.
|
||
|
|
** You may obtain a copy of the License at
|
||
|
|
**
|
||
|
|
** http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
**
|
||
|
|
** Unless required by applicable law or agreed to in writing, software
|
||
|
|
** distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
** See the License for the specific language governing permissions and
|
||
|
|
** limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <stddef.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
|
||
|
|
#include <utils/Atomic.h>
|
||
|
|
#include <utils/RefBase.h>
|
||
|
|
#include <utils/KeyedVector.h>
|
||
|
|
#include <utils/Errors.h>
|
||
|
|
|
||
|
|
#include <GLES/gl.h>
|
||
|
|
|
||
|
|
#include "BufferObjectManager.h"
|
||
|
|
|
||
|
|
|
||
|
|
namespace android {
|
||
|
|
|
||
|
|
using namespace gl;
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
EGLBufferObjectManager::EGLBufferObjectManager()
|
||
|
|
: TokenManager(), mCount(0)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
EGLBufferObjectManager::~EGLBufferObjectManager()
|
||
|
|
{
|
||
|
|
// destroy all the buffer objects and their storage
|
||
|
|
GLsizei n = mBuffers.size();
|
||
|
|
for (GLsizei i=0 ; i<n ; i++) {
|
||
|
|
buffer_t* bo = mBuffers.valueAt(i);
|
||
|
|
free(bo->data);
|
||
|
|
delete bo;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
buffer_t const* EGLBufferObjectManager::bind(GLuint buffer)
|
||
|
|
{
|
||
|
|
Mutex::Autolock _l(mLock);
|
||
|
|
int32_t i = mBuffers.indexOfKey(buffer);
|
||
|
|
if (i >= 0) {
|
||
|
|
return mBuffers.valueAt(i);
|
||
|
|
}
|
||
|
|
buffer_t* bo = new buffer_t;
|
||
|
|
bo->data = 0;
|
||
|
|
bo->usage = GL_STATIC_DRAW;
|
||
|
|
bo->size = 0;
|
||
|
|
bo->name = buffer;
|
||
|
|
mBuffers.add(buffer, bo);
|
||
|
|
return bo;
|
||
|
|
}
|
||
|
|
|
||
|
|
int EGLBufferObjectManager::allocateStore(buffer_t* bo,
|
||
|
|
GLsizeiptr size, GLenum usage)
|
||
|
|
{
|
||
|
|
Mutex::Autolock _l(mLock);
|
||
|
|
if (size != bo->size) {
|
||
|
|
uint8_t* data = (uint8_t*)malloc(size);
|
||
|
|
if (data == 0)
|
||
|
|
return -1;
|
||
|
|
free(bo->data);
|
||
|
|
bo->data = data;
|
||
|
|
bo->size = size;
|
||
|
|
}
|
||
|
|
bo->usage = usage;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void EGLBufferObjectManager::deleteBuffers(GLsizei n, const GLuint* buffers)
|
||
|
|
{
|
||
|
|
Mutex::Autolock _l(mLock);
|
||
|
|
while (n--) {
|
||
|
|
const GLuint t = *buffers++;
|
||
|
|
if (t) {
|
||
|
|
int32_t index = mBuffers.indexOfKey(t);
|
||
|
|
if (index >= 0) {
|
||
|
|
buffer_t* bo = mBuffers.valueAt(index);
|
||
|
|
free(bo->data);
|
||
|
|
mBuffers.removeItemsAt(index);
|
||
|
|
delete bo;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
}; // namespace android
|