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#if defined(WITH_QT5)
#if defined(WITH_GLEW)
# define GLEW_NO_GLU
# include <GL/glew.h>
#endif
#include "../../Main.h"
#include "../Graphics/GL/GLTexture.h"
#include "../Graphics/GL/GLFramebuffer.h"
#include "Qt5GfxDevice.h"
#include "../MainApplication.h"
#include "Qt5Widget.h"
#include <QWindow>
#include <QApplication>
#include <QScreen>
namespace nCine::Backends
{
Qt5GfxDevice::Qt5GfxDevice(const WindowMode& windowMode, const GLContextInfo& glContextInfo, const DisplayMode& displayMode, Qt5Widget& widget)
: IGfxDevice(windowMode, glContextInfo, displayMode), widget_(widget), isResizable_(windowMode.isResizable)
{
initDevice(windowMode.isFullscreen);
}
void Qt5GfxDevice::setSwapInterval(int interval)
{
widget_.format().setSwapInterval(interval);
}
void Qt5GfxDevice::setResolution(bool fullscreen, int width, int height)
{
width_ = width;
height_ = height;
theApplication().resizeRootViewport(width, height);
QRect rect = widget_.GetGeometry();
rect.setWidth(width);
rect.setHeight(height);
widget_.setGeometry(rect);
if (fullscreen) {
widget_.setWindowState(widget_.windowState() | Qt::WindowFullScreen);
} else {
widget_.setWindowState(widget_.windowState() & ~Qt::WindowFullScreen);
if (!isResizable_) {
widget_.setMinimumSize(width, height);
widget_.setMaximumSize(width, height);
}
}
}
void Qt5GfxDevice::setResolutionInternal(int width, int height)
{
width_ = width;
height_ = height;
theApplication().resizeRootViewport(width, height);
QRect rect = widget_.GetGeometry();
rect.setWidth(width);
rect.setHeight(height);
widget_.setGeometry(rect);
}
void Qt5GfxDevice::setWindowTitle(const char* windowTitle)
{
widget_.setWindowTitle(windowTitle);
}
void Qt5GfxDevice::setWindowIcon(const char* windowIconFilename)
{
widget_.setWindowIcon(QIcon(windowIconFilename));
}
int Qt5GfxDevice::windowPositionX() const
{
return widget_.pos().x();
}
int Qt5GfxDevice::windowPositionY() const
{
return widget_.pos().y();
}
const Vector2i Qt5GfxDevice::windowPosition() const
{
return Vector2i(widget_.pos().x(), widget_.pos().y());
}
void Qt5GfxDevice::setWindowPosition(int x, int y)
{
QRect geometry = widget_.GetGeometry();
geometry.setX(x);
geometry.setY(y);
widget_.setGeometry(geometry);
}
void Qt5GfxDevice::flashWindow() const
{
QApplication::alert(&widget_, 0);
}
const Qt5GfxDevice::VideoMode& Qt5GfxDevice::currentVideoMode() const
{
return videoModes_[0];
}
void Qt5GfxDevice::updateVideoModes()
{
QScreen* screen = nullptr;
if (widget_.window() && widget_.window()->windowHandle()) {
screen = widget_.window()->windowHandle()->screen();
} else {
screen = QApplication::primaryScreen();
}
videoModes_.resize_for_overwrite(1);
if (screen) {
videoModes_[0].width = screen->size().width();
videoModes_[0].height = screen->size().height();
videoModes_[0].refreshRate = screen->refreshRate();
if (screen->depth() >= 24) {
videoModes_[0].redBits = 8;
videoModes_[0].greenBits = 8;
videoModes_[0].blueBits = 8;
}
}
}
#if defined(WITH_GLEW)
void Qt5GfxDevice::initGlew()
{
const GLenum err = glewInit();
FATAL_ASSERT_MSG(err == GLEW_OK, "GLEW error: {}", glewGetErrorString(err));
glContextInfo_.debugContext = glContextInfo_.debugContext && glewIsSupported("GL_ARB_debug_output");
}
#endif
void Qt5GfxDevice::resetTextureBinding()
{
GLTexture::bindHandle(GL_TEXTURE_2D, 0);
}
void Qt5GfxDevice::bindDefaultDrawFramebufferObject()
{
const GLuint glHandle = widget_.defaultFramebufferObject();
GLFramebuffer::bindHandle(GL_DRAW_FRAMEBUFFER, glHandle);
}
void Qt5GfxDevice::initDevice(bool isFullscreen)
{
QSurfaceFormat format;
format.setRedBufferSize(displayMode_.redBits());
format.setGreenBufferSize(displayMode_.greenBits());
format.setBlueBufferSize(displayMode_.blueBits());
//format.setAlphaBufferSize(displayMode_.alphaBits());
format.setSwapBehavior(displayMode_.isDoubleBuffered() ? QSurfaceFormat::DoubleBuffer : QSurfaceFormat::SingleBuffer);
format.setDepthBufferSize(displayMode_.depthBits());
format.setStencilBufferSize(displayMode_.stencilBits());
format.setVersion(glContextInfo_.majorVersion, glContextInfo_.minorVersion);
#if defined(WITH_OPENGLES)
format.setRenderableType(QSurfaceFormat::OpenGLES);
#endif
format.setProfile(glContextInfo_.coreProfile ? QSurfaceFormat::CoreProfile : QSurfaceFormat::CompatibilityProfile);
if (glContextInfo_.debugContext)
format.setOptions(QSurfaceFormat::DebugContext);
if (isFullscreen) {
widget_.setWindowState(widget_.windowState() | Qt::WindowFullScreen);
}
const int interval = displayMode_.hasVSync() ? 1 : 0;
format.setSwapInterval(interval);
widget_.setFormat(format);
QSurfaceFormat::setDefaultFormat(format);
updateVideoModes();
}
}
#endif
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