blob: 7ea889bc198021bea09a2198ad5348d6b72ee6e7 [file] [log] [blame]
/*
* Copyright (C) 2013 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 "Scene.h"
#include <graphics/GLUtils.h>
#include <graphics/ProgramNode.h>
#include <Trace.h>
Scene::Scene(int width, int height) :
mWidth(width), mHeight(height), mSceneGraph(NULL) {
}
bool Scene::setUpContext() {
SCOPED_TRACE();
mProgram = setUpProgram();
if (mProgram == NULL) {
return false;
}
mModelMatrix = setUpModelMatrix();
if (mModelMatrix == NULL) {
return false;
}
mViewMatrix = setUpViewMatrix();
if (mViewMatrix == NULL) {
return false;
}
mProjectionMatrix = setUpProjectionMatrix();
if (mProjectionMatrix == NULL) {
return false;
}
return true;
}
bool Scene::tearDown() {
SCOPED_TRACE();
for (size_t i = 0; i < mTextureIds.size(); i++) {
glDeleteTextures(1, &(mTextureIds[i]));
}
for (size_t i = 0; i < mMeshes.size(); i++) {
delete mMeshes[i];
}
delete mProgram;
mProgram = NULL;
delete mSceneGraph;
mSceneGraph = NULL;
delete mModelMatrix;
mModelMatrix = NULL;
delete mViewMatrix;
mViewMatrix = NULL;
delete mProjectionMatrix;
mProjectionMatrix = NULL;
return true;
}
bool Scene::update(int frame) {
SCOPED_TRACE();
delete mSceneGraph; // Delete the old scene graph.
mSceneGraph = updateSceneGraph();
if (mSceneGraph == NULL) {
return false;
}
return true;
}
bool Scene::draw() {
SCOPED_TRACE();
mSceneGraph->draw(*mProgram, *mModelMatrix, *mViewMatrix, *mProjectionMatrix);
return true;
}