Better EGL context creation

lib/irrlicht/include/IrrCompileConfig.h

@@ -213,6 +213,10 @@ define out. */
 
 #define _IRR_COMPILE_WITH_WAYLAND
 
+#ifdef _IRR_COMPILE_WITH_WAYLAND
+#define _IRR_COMPILE_WITH_EGL_
+#endif
+
 //! Define _IRR_OPENGL_USE_EXTPOINTER_ if the OpenGL renderer should use OpenGL extensions via function pointers.
 /** On some systems there is no support for the dynamic extension of OpenGL
 	via function pointers such that this has to be undef'ed. */

lib/irrlicht/source/Irrlicht/COpenGLDriver.cpp

@@ -28,6 +28,7 @@ extern bool GLContextDebugBit;
 
 #ifdef _IRR_COMPILE_WITH_WAYLAND
 #include "cirrdevicewayland.h"
+#include "CContextEGL.h"
 #endif
 
 namespace irr
@@ -981,7 +982,7 @@ bool COpenGLDriver::endScene()
 	if (DeviceType == EIDT_WAYLAND)
 	{
 		wl_display_dispatch_pending(wl_device->display);
-		eglSwapBuffers(wl_device->egl_display, wl_device->egl_surface);
+		wl_device->getEGLContext()->swapBuffers();
 
 		return true;
 	}

lib/irrlicht/source/Irrlicht/cirrdevicewayland.cpp

@@ -20,6 +20,7 @@ extern bool GLContextDebugBit;
 #include "IGUISpriteBank.h"
 #include <sys/mman.h>
 #include "CVideoModeList.h"
+#include "CContextEGL.h"
 
 #if defined _IRR_COMPILE_WITH_JOYSTICK_EVENTS_
 #include <fcntl.h>
@@ -461,7 +462,8 @@ CIrrDeviceWayland::CIrrDeviceWayland(const SIrrlichtCreationParameters& param)
 	#ifdef _DEBUG
 	setDebugName("CIrrDeviceLinux");
 	#endif
-
+	
+	EglContext = NULL;
 
 	// print version, distribution etc.
 	// thx to LynxLuna for pointing me to the uname function
@@ -530,7 +532,9 @@ CIrrDeviceWayland::~CIrrDeviceWayland()
 	wl_registry_destroy(registry);
 	wl_display_disconnect(display);
 	xkb_context_unref(xkbctx);
-//TODO : surfaces, egl
+	
+	delete EglContext;
+
 #if defined(_IRR_COMPILE_WITH_JOYSTICK_EVENTS_)
 	for (u32 joystick = 0; joystick < ActiveJoysticks.size(); ++joystick)
 	{
@@ -565,50 +569,19 @@ void CIrrDeviceWayland::initEGL()
 {
 	egl_window = wl_egl_window_create(surface, Width, Height);
 
-	egl_display = eglGetDisplay(display);
+	EglContext = new ContextManagerEGL();
-	if (egl_display == EGL_NO_DISPLAY)
+		
-	{
+	ContextEGLParams egl_params;
-		os::Printer::log("eglGetDisplay() error", "", ELL_ERROR);
+	egl_params.opengl_api = CEGL_API_OPENGL;
-	}
+	egl_params.surface_type = CEGL_SURFACE_WINDOW;
-	if(!eglInitialize(egl_display, NULL, NULL))
+	egl_params.force_legacy_device = CreationParams.ForceLegacyDevice;
-	{
+	egl_params.with_alpha_channel = CreationParams.WithAlphaChannel;
-		os::Printer::log("eglInitialize() error", "", ELL_ERROR);
+	egl_params.vsync_enabled = CreationParams.Vsync;
-	}
+	egl_params.window = egl_window;
-
+	egl_params.display = display;
-	int confsize;
+	
-	int attrib[] = {EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
+	EglContext->init(egl_params);
-		EGL_RED_SIZE, 4,
+	video::useCoreContext = !EglContext->isLegacyDevice();
-		EGL_GREEN_SIZE, 4,
-		EGL_BLUE_SIZE, 4,
-		EGL_DEPTH_SIZE, 24,
-		EGL_NONE};
-	EGLConfig eglconf;
-
-	if (!eglChooseConfig(egl_display, attrib, &eglconf, 1, &confsize))
-	{
-		os::Printer::log("eglChooseConfig() error", "", ELL_ERROR);
-	}
-	egl_surface = eglCreateWindowSurface(egl_display, eglconf, egl_window, 0);
-	if (egl_surface == EGL_NO_SURFACE)
-	{
-		os::Printer::log("eglCreateWindowSurface() error", "", ELL_ERROR);
-	}
-	if (!eglBindAPI(EGL_OPENGL_API))
-	{
-		os::Printer::log("eglBindAPI() error", "", ELL_ERROR);
-	}
-	int glattrib[] = {EGL_CONTEXT_MAJOR_VERSION_KHR, 3, EGL_CONTEXT_MINOR_VERSION_KHR, 3, EGL_NONE};
-	egl_context = eglCreateContext(egl_display, eglconf, EGL_NO_CONTEXT, glattrib);
-	if (egl_context == EGL_NO_CONTEXT)
-	{
-		os::Printer::log("eglCreateContext() error", "", ELL_ERROR);
-	}
-	if (!eglMakeCurrent(egl_display, egl_surface, egl_surface, egl_context))
-	{
-		os::Printer::log("eglMakeCurrent() error", "", ELL_ERROR);
-	}
-	video::useCoreContext = true;
-	eglSwapInterval(egl_display, CreationParams.Vsync ? 1 : 0);
 }
 
 bool CIrrDeviceWayland::createWindow()

lib/irrlicht/source/Irrlicht/cirrdevicewayland.h

@@ -14,12 +14,12 @@
 #include <xkbcommon/xkbcommon.h>
 
 #include <GL/gl.h>
-#include <EGL/egl.h>
-#include <EGL/eglext.h>
 
 #include <vector>
 #define KeySym s32
 
+class ContextManagerEGL;
+
 // Note : only supporting shell interface
 
 namespace irr
@@ -231,6 +231,8 @@ namespace irr
 		std::vector<core::dimension2du> Modes;
 		core::dimension2du CurrentModes;
 
+		ContextManagerEGL* EglContext;
+		
 	public:
 		void signalEvent(const SEvent&);
 		void addMode(const core::dimension2du &mode) { Modes.push_back(mode); }
@@ -251,10 +253,9 @@ namespace irr
 		wl_surface *surface;
 		wl_shell_surface *shell_surface;
 		wl_egl_window *egl_window;
-
+		
-		EGLSurface egl_surface;
+		ContextManagerEGL* getEGLContext() {return EglContext;}
-		EGLDisplay egl_display;
+		
-		EGLContext egl_context;
 	private:
 //		XVisualInfo* visual;
 		mutable core::stringc Clipboard;