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@ -138,37 +138,50 @@ void EmuThread::run() {
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}
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#ifdef HAS_OPENGL
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static std::unique_ptr<QOpenGLContext> CreateQOpenGLContext(bool gles) {
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QSurfaceFormat format;
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if (gles) {
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format.setRenderableType(QSurfaceFormat::RenderableType::OpenGLES);
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format.setVersion(3, 2);
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} else {
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format.setRenderableType(QSurfaceFormat::RenderableType::OpenGL);
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format.setVersion(4, 3);
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}
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format.setProfile(QSurfaceFormat::CoreProfile);
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if (Settings::values.renderer_debug) {
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format.setOption(QSurfaceFormat::FormatOption::DebugContext);
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}
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// TODO: expose a setting for buffer value (ie default/single/double/triple)
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format.setSwapBehavior(QSurfaceFormat::DefaultSwapBehavior);
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format.setSwapInterval(0);
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auto context = std::make_unique<QOpenGLContext>();
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context->setFormat(format);
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if (!context->create()) {
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LOG_ERROR(Frontend, "Unable to create OpenGL context with GLES = {}", gles);
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return nullptr;
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}
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return context;
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}
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class OpenGLSharedContext : public Frontend::GraphicsContext {
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public:
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/// Create the original context that should be shared from
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explicit OpenGLSharedContext() {
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QSurfaceFormat format;
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if (Settings::values.use_gles) {
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format.setRenderableType(QSurfaceFormat::RenderableType::OpenGLES);
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format.setVersion(3, 2);
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} else {
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format.setRenderableType(QSurfaceFormat::RenderableType::OpenGL);
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format.setVersion(4, 3);
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}
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format.setProfile(QSurfaceFormat::CoreProfile);
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if (Settings::values.renderer_debug) {
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format.setOption(QSurfaceFormat::FormatOption::DebugContext);
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}
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// TODO: expose a setting for buffer value (ie default/single/double/triple)
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format.setSwapBehavior(QSurfaceFormat::DefaultSwapBehavior);
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format.setSwapInterval(0);
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context = std::make_unique<QOpenGLContext>();
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context->setFormat(format);
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if (!context->create()) {
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LOG_ERROR(Frontend, "Unable to create main openGL context");
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// First, try to create a context with the requested type.
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context = CreateQOpenGLContext(Settings::values.use_gles.GetValue());
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if (context == nullptr) {
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// On failure, fall back to context with flipped type.
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context = CreateQOpenGLContext(!Settings::values.use_gles.GetValue());
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if (context == nullptr) {
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LOG_ERROR(Frontend, "Unable to create any OpenGL context.");
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}
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}
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offscreen_surface = std::make_unique<QOffscreenSurface>(nullptr);
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offscreen_surface->setFormat(format);
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offscreen_surface->setFormat(context->format());
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offscreen_surface->create();
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surface = offscreen_surface.get();
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}
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@ -184,7 +197,7 @@ public:
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context->setShareContext(share_context);
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context->setFormat(format);
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if (!context->create()) {
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LOG_ERROR(Frontend, "Unable to create shared openGL context");
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LOG_ERROR(Frontend, "Unable to create shared OpenGL context");
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}
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surface = main_surface;
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@ -194,6 +207,10 @@ public:
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OpenGLSharedContext::DoneCurrent();
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}
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bool IsGLES() override {
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return context->format().renderableType() == QSurfaceFormat::RenderableType::OpenGLES;
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}
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void SwapBuffers() override {
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context->swapBuffers(surface);
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}
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@ -739,8 +756,9 @@ bool GRenderWindow::LoadOpenGL() {
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#ifdef HAS_OPENGL
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auto context = CreateSharedContext();
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auto scope = context->Acquire();
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const auto gles = context->IsGLES();
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auto gl_load_func = Settings::values.use_gles ? gladLoadGLES2Loader : gladLoadGLLoader;
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auto gl_load_func = gles ? gladLoadGLES2Loader : gladLoadGLLoader;
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if (!gl_load_func(GetProcAddressGL)) {
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QMessageBox::warning(
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this, tr("Error while initializing OpenGL!"),
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@ -751,14 +769,14 @@ bool GRenderWindow::LoadOpenGL() {
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const QString renderer =
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QString::fromUtf8(reinterpret_cast<const char*>(glGetString(GL_RENDERER)));
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if (!Settings::values.use_gles && !GLAD_GL_VERSION_4_3) {
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if (!gles && !GLAD_GL_VERSION_4_3) {
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LOG_ERROR(Frontend, "GPU does not support OpenGL 4.3: {}", renderer.toStdString());
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QMessageBox::warning(this, tr("Error while initializing OpenGL 4.3!"),
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tr("Your GPU may not support OpenGL 4.3, or you do not have the "
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"latest graphics driver.<br><br>GL Renderer:<br>%1")
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.arg(renderer));
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return false;
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} else if (Settings::values.use_gles && !GLAD_GL_ES_VERSION_3_2) {
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} else if (gles && !GLAD_GL_ES_VERSION_3_2) {
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LOG_ERROR(Frontend, "GPU does not support OpenGL ES 3.2: {}", renderer.toStdString());
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QMessageBox::warning(this, tr("Error while initializing OpenGL ES 3.2!"),
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tr("Your GPU may not support OpenGL ES 3.2, or you do not have the "
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