Qt: Fix GL-less build (fixes #788)

CHANGES

@@ -179,6 +179,7 @@ Bugfixes:
  - GB Audio: Fix zombie mode bit masking
  - GBA Timer: Fix count-up timing overflowing timer 3
  - Core: Fix rewinding getting out of sync (fixes mgba.io/i/791)
+ - Qt: Fix GL-less build
 Misc:
  - Qt: Add language selector
  - GBA Timer: Improve accuracy of timers

src/platform/qt/SettingsView.cpp

@@ -187,17 +187,21 @@ SettingsView::SettingsView(ConfigController* controller, InputController* inputC
 }
 
 SettingsView::~SettingsView() {
+#if defined(BUILD_GL) || defined(BUILD_GLES)
 	if (m_shader) {
 		m_ui.stackedWidget->removeWidget(m_shader);
 		m_shader->setParent(nullptr);
 	}
+#endif
 }
 
 void SettingsView::setShaderSelector(ShaderSelector* shaderSelector) {
+#if defined(BUILD_GL) || defined(BUILD_GLES)
 	m_shader = shaderSelector;
 	m_ui.stackedWidget->addWidget(m_shader);
 	m_ui.tabs->addItem(tr("Shaders"));
 	connect(m_ui.buttonBox, &QDialogButtonBox::accepted, m_shader, &ShaderSelector::saved);
+#endif
 }
 
 void SettingsView::selectBios(QLineEdit* bios) {

src/platform/qt/ShaderSelector.cpp

@@ -21,6 +21,8 @@
 #include <mgba-util/vfs.h>
 #include "platform/video-backend.h"
 
+#if defined(BUILD_GL) || defined(BUILD_GLES)
+
 #if !defined(_WIN32) || defined(USE_EPOXY)
 #include "platform/opengl/gles2.h"
 #endif
@@ -280,3 +282,5 @@ void ShaderSelector::buttonPressed(QAbstractButton* button) {
 		break;
 	}
 }
+
+#endif

src/platform/qt/ShaderSelector.h

@@ -6,6 +6,8 @@
 #ifndef QGBA_SHADER_SELECTOR_H
 #define QGBA_SHADER_SELECTOR_H
 
+#if defined(BUILD_GL) || defined(BUILD_GLES)
+
 #include <QDialog>
 
 #include "ui_ShaderSelector.h"
@@ -56,3 +58,5 @@ private:
 }
 
 #endif
+
+#endif

src/platform/qt/Window.cpp

@@ -78,7 +78,9 @@ Window::Window(ConfigController* config, int playerId, QWidget* parent)
 	updateTitle();
 
 	m_display = Display::create(this);
+#if defined(BUILD_GL) || defined(BUILD_GLES)
 	m_shaderView = new ShaderSelector(m_display, m_config);
+#endif
 
 	m_logo.setDevicePixelRatio(m_screenWidget->devicePixelRatio());
 	m_logo = m_logo; // Free memory left over in old pixmap
@@ -274,6 +276,7 @@ void Window::loadConfig() {
 		enterFullScreen();
 	}
 
+#if defined(BUILD_GL) || defined(BUILD_GLES)
 	if (opts->shader) {
 		struct VDir* shader = VDirOpen(opts->shader);
 		if (shader) {
@@ -282,6 +285,7 @@ void Window::loadConfig() {
 			shader->close(shader);
 		}
 	}
+#endif
 
 	m_mruFiles = m_config->getMRU();
 	updateMRU();
@@ -459,9 +463,11 @@ void Window::exportSharkport() {
 
 void Window::openSettingsWindow() {
 	SettingsView* settingsWindow = new SettingsView(m_config, &m_inputController, m_shortcutController);
+#if defined(BUILD_GL) || defined(BUILD_GLES)
 	if (m_display->supportsShaders()) {
 		settingsWindow->setShaderSelector(m_shaderView);
 	}
+#endif
 	connect(settingsWindow, &SettingsView::biosLoaded, m_controller, &GameController::loadBIOS);
 	connect(settingsWindow, &SettingsView::audioDriverChanged, m_controller, &GameController::reloadAudioDriver);
 	connect(settingsWindow, &SettingsView::displayDriverChanged, this, &Window::mustRestart);