/*
-Copyright (C) 2001-2006, William Joseph.
-All Rights Reserved.
+ Copyright (C) 2001-2006, William Joseph.
+ All Rights Reserved.
-This file is part of GtkRadiant.
+ This file is part of GtkRadiant.
-GtkRadiant is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ GtkRadiant is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-GtkRadiant is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ GtkRadiant is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
+ You should have received a copy of the GNU General Public License
+ along with GtkRadiant; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
-// OpenGL widget based on GtkGLExt
+// OpenGL widget based on GtkGLExt / GtkGLArea
#include "glwidget.h"
-#include "debugging/debugging.h"
-
#include "igl.h"
-#include <gtk/gtkdrawingarea.h>
-#include <gtk/gtkglwidget.h>
+// Function callbacks
+static void (*sharedContextCreated)() = nullptr;
+static void (*sharedContextDestroyed)() = nullptr;
-#include "pointer.h"
+unsigned int g_context_count = 0;
-void (*GLWidget_sharedContextCreated)() = 0;
-void (*GLWidget_sharedContextDestroyed)() = 0;
+ui::GLArea g_shared{ui::null};
+static void _glwidget_context_created(ui::GLArea self, void *data)
+{
+ if (++g_context_count == 1) {
+ g_shared = self;
+ g_object_ref(g_shared._handle);
+
+ glwidget_make_current(g_shared);
+ GlobalOpenGL().contextValid = true;
+
+ sharedContextCreated();
+ }
+}
-typedef int* attribs_t;
-struct config_t
+static void _glwidget_context_destroyed(ui::GLArea self, void *data)
{
- const char* name;
- attribs_t attribs;
-};
-typedef const config_t* configs_iterator;
+ if (--g_context_count == 0) {
+ GlobalOpenGL().contextValid = false;
-int config_rgba32[] = {
- GDK_GL_RGBA,
- GDK_GL_DOUBLEBUFFER,
- GDK_GL_BUFFER_SIZE, 24,
- GDK_GL_ATTRIB_LIST_NONE,
-};
+ sharedContextDestroyed();
-int config_rgba[] = {
- GDK_GL_RGBA,
- GDK_GL_DOUBLEBUFFER,
- GDK_GL_BUFFER_SIZE, 16,
- GDK_GL_ATTRIB_LIST_NONE,
-};
+ g_shared.unref();
+ g_shared = ui::GLArea(ui::null);
+ }
+}
-const config_t configs[] = {
- {
- "colour-buffer = 32bpp, depth-buffer = none",
- config_rgba32,
- },
- {
- "colour-buffer = 16bpp, depth-buffer = none",
- config_rgba,
- }
-};
+void glwidget_set_shared_context_constructors(
+ void created(), void destroyed() )
+{
+ sharedContextCreated = created;
+ sharedContextDestroyed = destroyed;
+}
+
+#if GTK_TARGET == 3
-GdkGLConfig* glconfig_new()
+#include <gtk/gtk.h>
+
+static GdkGLContext *glwidget_context_created(ui::GLArea self)
{
- GdkGLConfig* glconfig = 0;
-
- for(configs_iterator i = configs, end = configs + 2; i != end; ++i)
- {
- glconfig = gdk_gl_config_new((*i).attribs);
- if(glconfig != 0)
- {
- globalOutputStream() << "OpenGL window configuration: " << (*i).name << "\n";
- return glconfig;
- }
- }
+ _glwidget_context_created(self, nullptr);
+ return gtk_gl_area_get_context(self);
+}
+
+ui::GLArea glwidget_new(bool zbuffer)
+{
+ auto self = ui::GLArea::from(GTK_GL_AREA(gtk_gl_area_new()));
+ gtk_gl_area_set_has_depth_buffer(self, zbuffer);
+ gtk_gl_area_set_auto_render(self, true); // FIXME
- globalOutputStream() << "OpenGL window configuration: colour-buffer = auto, depth-buffer = none\n";
- return gdk_gl_config_new_by_mode((GdkGLConfigMode)(GDK_GL_MODE_RGBA | GDK_GL_MODE_DOUBLE));
+ self.connect("realize", G_CALLBACK(glwidget_context_created), nullptr);
+ return self;
}
-int config_rgba32_depth32[] = {
- GDK_GL_RGBA,
- GDK_GL_DOUBLEBUFFER,
- GDK_GL_BUFFER_SIZE, 24,
- GDK_GL_DEPTH_SIZE, 32,
- GDK_GL_ATTRIB_LIST_NONE,
+bool glwidget_make_current(ui::GLArea self)
+{
+// if (!g_context_count) {
+// glwidget_context_created(self);
+// }
+ gtk_gl_area_make_current(self);
+ return true;
+}
+
+void glwidget_swap_buffers(ui::GLArea self)
+{
+ g_assert(GTK_IS_GL_AREA(self));
+ gtk_gl_area_queue_render(self);
+}
+
+#endif
+
+#if GTK_TARGET == 2
+
+#include <gtk/gtk.h>
+#include <gtk/gtkglwidget.h>
+
+#include "pointer.h"
+
+struct config_t {
+ const char *name;
+ int *attribs;
};
+typedef const config_t *configs_iterator;
-int config_rgba32_depth24[] = {
- GDK_GL_RGBA,
- GDK_GL_DOUBLEBUFFER,
- GDK_GL_BUFFER_SIZE, 24,
- GDK_GL_DEPTH_SIZE, 24,
- GDK_GL_ATTRIB_LIST_NONE,
+static int config_rgba32[] = {
+ GDK_GL_RGBA,
+ GDK_GL_DOUBLEBUFFER,
+ GDK_GL_BUFFER_SIZE, 24,
+ GDK_GL_ATTRIB_LIST_NONE,
};
-int config_rgba32_depth16[] = {
- GDK_GL_RGBA,
- GDK_GL_DOUBLEBUFFER,
- GDK_GL_BUFFER_SIZE, 24,
- GDK_GL_DEPTH_SIZE, 16,
- GDK_GL_ATTRIB_LIST_NONE,
+static int config_rgba[] = {
+ GDK_GL_RGBA,
+ GDK_GL_DOUBLEBUFFER,
+ GDK_GL_BUFFER_SIZE, 16,
+ GDK_GL_ATTRIB_LIST_NONE,
};
-int config_rgba32_depth[] = {
- GDK_GL_RGBA,
- GDK_GL_DOUBLEBUFFER,
- GDK_GL_BUFFER_SIZE, 24,
- GDK_GL_DEPTH_SIZE, 1,
- GDK_GL_ATTRIB_LIST_NONE,
+static const config_t configs[] = {
+ {
+ "colour-buffer = 32bpp, depth-buffer = none",
+ config_rgba32,
+ },
+ {
+ "colour-buffer = 16bpp, depth-buffer = none",
+ config_rgba,
+ }
};
-int config_rgba_depth16[] = {
- GDK_GL_RGBA,
- GDK_GL_DOUBLEBUFFER,
- GDK_GL_BUFFER_SIZE, 16,
- GDK_GL_DEPTH_SIZE, 16,
- GDK_GL_ATTRIB_LIST_NONE,
+static GdkGLConfig *glconfig_new()
+{
+ for (configs_iterator i = configs, end = configs + 2; i != end; ++i) {
+ if (auto glconfig = gdk_gl_config_new(i->attribs)) {
+ globalOutputStream() << "OpenGL window configuration: " << i->name << "\n";
+ return glconfig;
+ }
+ }
+ globalOutputStream() << "OpenGL window configuration: colour-buffer = auto, depth-buffer = none\n";
+ return gdk_gl_config_new_by_mode((GdkGLConfigMode) (GDK_GL_MODE_RGBA | GDK_GL_MODE_DOUBLE));
+}
+
+static int config_rgba32_depth32[] = {
+ GDK_GL_RGBA,
+ GDK_GL_DOUBLEBUFFER,
+ GDK_GL_BUFFER_SIZE,
+ 24,
+ GDK_GL_DEPTH_SIZE,
+ 32,
+ GDK_GL_ATTRIB_LIST_NONE,
};
-int config_rgba_depth[] = {
- GDK_GL_RGBA,
- GDK_GL_DOUBLEBUFFER,
- GDK_GL_BUFFER_SIZE, 16,
- GDK_GL_DEPTH_SIZE, 1,
- GDK_GL_ATTRIB_LIST_NONE,
+static int config_rgba32_depth24[] = {
+ GDK_GL_RGBA,
+ GDK_GL_DOUBLEBUFFER,
+ GDK_GL_BUFFER_SIZE, 24,
+ GDK_GL_DEPTH_SIZE, 24,
+ GDK_GL_ATTRIB_LIST_NONE,
};
-const config_t configs_with_depth[] =
-{
- {
- "colour-buffer = 32bpp, depth-buffer = 32bpp",
- config_rgba32_depth32,
- },
- {
- "colour-buffer = 32bpp, depth-buffer = 24bpp",
- config_rgba32_depth24,
- },
- {
- "colour-buffer = 32bpp, depth-buffer = 16bpp",
- config_rgba32_depth16,
- },
- {
- "colour-buffer = 32bpp, depth-buffer = auto",
- config_rgba32_depth,
- },
- {
- "colour-buffer = 16bpp, depth-buffer = 16bpp",
- config_rgba_depth16,
- },
- {
- "colour-buffer = auto, depth-buffer = auto",
- config_rgba_depth,
- },
+static int config_rgba32_depth16[] = {
+ GDK_GL_RGBA,
+ GDK_GL_DOUBLEBUFFER,
+ GDK_GL_BUFFER_SIZE, 24,
+ GDK_GL_DEPTH_SIZE, 16,
+ GDK_GL_ATTRIB_LIST_NONE,
};
-GdkGLConfig* glconfig_new_with_depth()
-{
- GdkGLConfig* glconfig = 0;
-
- for(configs_iterator i = configs_with_depth, end = configs_with_depth + 6; i != end; ++i)
- {
- glconfig = gdk_gl_config_new((*i).attribs);
- if(glconfig != 0)
- {
- globalOutputStream() << "OpenGL window configuration: " << (*i).name << "\n";
- return glconfig;
- }
- }
+static int config_rgba32_depth[] = {
+ GDK_GL_RGBA,
+ GDK_GL_DOUBLEBUFFER,
+ GDK_GL_BUFFER_SIZE, 24,
+ GDK_GL_DEPTH_SIZE, 1,
+ GDK_GL_ATTRIB_LIST_NONE,
+};
- globalOutputStream() << "OpenGL window configuration: colour-buffer = auto, depth-buffer = auto (fallback)\n";
- return gdk_gl_config_new_by_mode((GdkGLConfigMode)(GDK_GL_MODE_RGBA | GDK_GL_MODE_DOUBLE | GDK_GL_MODE_DEPTH));
-}
+static int config_rgba_depth16[] = {
+ GDK_GL_RGBA,
+ GDK_GL_DOUBLEBUFFER,
+ GDK_GL_BUFFER_SIZE, 16,
+ GDK_GL_DEPTH_SIZE, 16,
+ GDK_GL_ATTRIB_LIST_NONE,
+};
-unsigned int g_context_count = 0;
+static int config_rgba_depth[] = {
+ GDK_GL_RGBA,
+ GDK_GL_DOUBLEBUFFER,
+ GDK_GL_BUFFER_SIZE, 16,
+ GDK_GL_DEPTH_SIZE, 1,
+ GDK_GL_ATTRIB_LIST_NONE,
+};
-namespace
+static const config_t configs_with_depth[] =
+ {
+ {
+ "colour-buffer = 32bpp, depth-buffer = 32bpp",
+ config_rgba32_depth32,
+ },
+ {
+ "colour-buffer = 32bpp, depth-buffer = 24bpp",
+ config_rgba32_depth24,
+ },
+ {
+ "colour-buffer = 32bpp, depth-buffer = 16bpp",
+ config_rgba32_depth16,
+ },
+ {
+ "colour-buffer = 32bpp, depth-buffer = auto",
+ config_rgba32_depth,
+ },
+ {
+ "colour-buffer = 16bpp, depth-buffer = 16bpp",
+ config_rgba_depth16,
+ },
+ {
+ "colour-buffer = auto, depth-buffer = auto",
+ config_rgba_depth,
+ },
+ };
+
+static GdkGLConfig *glconfig_new_with_depth()
{
- GtkWidget* g_shared = 0;
+ for (configs_iterator i = configs_with_depth, end = configs_with_depth + 6; i != end; ++i) {
+ if (auto glconfig = gdk_gl_config_new(i->attribs)) {
+ globalOutputStream() << "OpenGL window configuration: " << i->name << "\n";
+ return glconfig;
+ }
+ }
+ globalOutputStream() << "OpenGL window configuration: colour-buffer = auto, depth-buffer = auto (fallback)\n";
+ return gdk_gl_config_new_by_mode((GdkGLConfigMode) (GDK_GL_MODE_RGBA | GDK_GL_MODE_DOUBLE | GDK_GL_MODE_DEPTH));
}
-gint glwidget_context_created(GtkWidget* widget, gpointer data)
+static int glwidget_context_created(ui::GLArea self, void *data)
{
- if(++g_context_count == 1)
- {
- g_shared = widget;
- gtk_widget_ref(g_shared);
-
- glwidget_make_current(g_shared);
- GlobalOpenGL().contextValid = true;
-
- GLWidget_sharedContextCreated();
- }
- return FALSE;
+ _glwidget_context_created(self, data);
+ return false;
}
-gint glwidget_context_destroyed(GtkWidget* widget, gpointer data)
+int glwidget_context_destroyed(ui::GLArea self, void *data)
{
- if(--g_context_count == 0)
- {
- GlobalOpenGL().contextValid = false;
-
- GLWidget_sharedContextDestroyed();
-
- gtk_widget_unref(g_shared);
- g_shared = 0;
- }
- return FALSE;
+ _glwidget_context_destroyed(self, data);
+ return false;
}
-gboolean glwidget_enable_gl(GtkWidget* widget, GtkWidget* widget2, gpointer data)
+static bool glwidget_enable_gl(ui::GLArea self, ui::Widget root, gpointer data)
{
- if(widget2 == 0 && !gtk_widget_is_gl_capable(widget))
- {
- GdkGLConfig* glconfig = (g_object_get_data(G_OBJECT(widget), "zbuffer")) ? glconfig_new_with_depth() : glconfig_new();
- ASSERT_MESSAGE(glconfig != 0, "failed to create OpenGL config");
-
- gtk_widget_set_gl_capability(widget, glconfig, g_shared != 0 ? gtk_widget_get_gl_context(g_shared) : 0, TRUE, GDK_GL_RGBA_TYPE);
-
- gtk_widget_realize(widget);
- if(g_shared == 0)
- {
- g_shared = widget;
+ if (!root && !gtk_widget_is_gl_capable(self)) {
+ const auto zbuffer = g_object_get_data(G_OBJECT(self), "zbuffer");
+ GdkGLConfig *glconfig = zbuffer ? glconfig_new_with_depth() : glconfig_new();
+ ASSERT_MESSAGE(glconfig, "failed to create OpenGL config");
+
+ const auto share_list = g_shared ? gtk_widget_get_gl_context(g_shared) : nullptr;
+ gtk_widget_set_gl_capability(self, glconfig, share_list, true, GDK_GL_RGBA_TYPE);
+
+ gtk_widget_realize(self);
+ if (!g_shared) {
+ g_shared = self;
+ }
+ // free glconfig?
}
-
- // free glconfig?
- }
- return FALSE;
+ return false;
}
-GtkWidget* glwidget_new(gboolean zbuffer)
+ui::GLArea glwidget_new(bool zbuffer)
{
- GtkWidget* widget = gtk_drawing_area_new();
-
- g_object_set_data(G_OBJECT(widget), "zbuffer", gint_to_pointer(zbuffer));
+ auto self = ui::GLArea::from(gtk_drawing_area_new());
- g_signal_connect(G_OBJECT(widget), "hierarchy-changed", G_CALLBACK(glwidget_enable_gl), 0);
+ g_object_set_data(G_OBJECT(self), "zbuffer", gint_to_pointer(zbuffer));
- g_signal_connect(G_OBJECT(widget), "realize", G_CALLBACK(glwidget_context_created), 0);
- g_signal_connect(G_OBJECT(widget), "unrealize", G_CALLBACK(glwidget_context_destroyed), 0);
+ self.connect("hierarchy-changed", G_CALLBACK(glwidget_enable_gl), 0);
- return widget;
-}
+ self.connect("realize", G_CALLBACK(glwidget_context_created), 0);
+ self.connect("unrealize", G_CALLBACK(glwidget_context_destroyed), 0);
-void glwidget_destroy_context (GtkWidget *widget)
-{
-}
-
-void glwidget_create_context (GtkWidget *widget)
-{
+ return self;
}
-void glwidget_swap_buffers (GtkWidget *widget)
+void glwidget_swap_buffers(ui::GLArea self)
{
- GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable (widget);
- gdk_gl_drawable_swap_buffers (gldrawable);
+ GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(self);
+ gdk_gl_drawable_swap_buffers(gldrawable);
}
-gboolean glwidget_make_current (GtkWidget *widget)
+bool glwidget_make_current(ui::GLArea self)
{
- GdkGLContext *glcontext = gtk_widget_get_gl_context (widget);
- GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable (widget);
- return gdk_gl_drawable_gl_begin (gldrawable, glcontext);
+ GdkGLContext *glcontext = gtk_widget_get_gl_context(self);
+ GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(self);
+ return gdk_gl_drawable_gl_begin(gldrawable, glcontext);
}
+#endif