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//
// Copyright (c) 2013 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
#include "SampleApplication.h"
#include "EGLWindow.h"
#include "random_utils.h"
SampleApplication::SampleApplication(const std::string &name,
size_t width,
size_t height,
EGLint glesMajorVersion,
EGLint glesMinorVersion,
EGLint requestedRenderer)
: mName(name), mWidth(width), mHeight(height), mRunning(false)
{
mEGLWindow.reset(new EGLWindow(glesMajorVersion, glesMinorVersion,
EGLPlatformParameters(requestedRenderer)));
mTimer.reset(CreateTimer());
mOSWindow.reset(CreateOSWindow());
mEGLWindow->setConfigRedBits(8);
mEGLWindow->setConfigGreenBits(8);
mEGLWindow->setConfigBlueBits(8);
mEGLWindow->setConfigAlphaBits(8);
mEGLWindow->setConfigDepthBits(24);
mEGLWindow->setConfigStencilBits(8);
// Disable vsync
mEGLWindow->setSwapInterval(0);
}
SampleApplication::~SampleApplication()
{
}
bool SampleApplication::initialize()
{
return true;
}
void SampleApplication::destroy()
{
}
void SampleApplication::step(float dt, double totalTime)
{
}
void SampleApplication::draw()
{
}
void SampleApplication::swap()
{
mEGLWindow->swap();
}
OSWindow *SampleApplication::getWindow() const
{
return mOSWindow.get();
}
EGLConfig SampleApplication::getConfig() const
{
return mEGLWindow->getConfig();
}
EGLDisplay SampleApplication::getDisplay() const
{
return mEGLWindow->getDisplay();
}
EGLSurface SampleApplication::getSurface() const
{
return mEGLWindow->getSurface();
}
EGLContext SampleApplication::getContext() const
{
return mEGLWindow->getContext();
}
int SampleApplication::run()
{
if (!mOSWindow->initialize(mName, mWidth, mHeight))
{
return -1;
}
mOSWindow->setVisible(true);
if (!mEGLWindow->initializeGL(mOSWindow.get()))
{
return -1;
}
mRunning = true;
int result = 0;
if (!initialize())
{
mRunning = false;
result = -1;
}
mTimer->start();
double prevTime = 0.0;
while (mRunning)
{
double elapsedTime = mTimer->getElapsedTime();
double deltaTime = elapsedTime - prevTime;
step(static_cast<float>(deltaTime), elapsedTime);
// Clear events that the application did not process from this frame
Event event;
while (popEvent(&event))
{
// If the application did not catch a close event, close now
if (event.Type == Event::EVENT_CLOSED)
{
exit();
}
}
if (!mRunning)
{
break;
}
draw();
swap();
mOSWindow->messageLoop();
prevTime = elapsedTime;
}
destroy();
mEGLWindow->destroyGL();
mOSWindow->destroy();
return result;
}
void SampleApplication::exit()
{
mRunning = false;
}
bool SampleApplication::popEvent(Event *event)
{
return mOSWindow->popEvent(event);
}