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#!/bin/sh

TSLIB_TSDEVICE=/dev/input/ts0

export TSLIB_TSDEVICE
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-25 01:08:04 +0000
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From a8fa547fdc1416b330aced805f5343ad912932ae Mon Sep 17 00:00:00 2001
From: Jussi Kukkonen <jussi.kukkonen@intel.com>
Date: Tue, 21 Jun 2016 15:11:39 +0300
Subject: [PATCH 3/4] Add --disable-opengl configure option

--disable-opengl will remove the dependency on libepoxy and on the
OpenGL APIs. This is useful for those who want to keep using gtk+3
without the "opengl" distro feature.

GtkGLArea is still part of the API (it just doesn't work) even when
OpenGL is disabled. GdkX11GLContext was removed from the Gtk API
completely: that object exposes GL API elements so it had to be at
the very least modified.

The patch is _not_ great from a maintenance point of view and
modifying the library API is also a fairly nasty thing to do.
Long-term it would be good to find an alternative solution to this
(maybe a no-op backend for libepoxy?)

Upstream-Status: Inappropriate [Evil eye expected from upstream]
Signed-off-by: Jussi Kukkonen <jussi.kukkonen@intel.com>
---
 configure.ac                      | 13 +++++++++++--
 demos/gtk-demo/glarea.c           | 13 +++++++++++++
 docs/tools/Makefile.am            |  9 +++++++--
 docs/tools/widgets.c              |  4 +++-
 gdk/gdkdisplay.c                  |  4 +++-
 gdk/gdkgl.c                       | 10 ++++++++++
 gdk/gdkglcontext.c                |  6 ++++++
 gdk/gdkwindow.c                   | 13 +++++++++++++
 gdk/x11/Makefile.am               | 30 ++++++++++++++++++++++++++----
 gdk/x11/gdkdisplay-x11.c          |  6 +++++-
 gdk/x11/gdkscreen-x11.c           |  5 +++++
 gdk/x11/gdkwindow-x11.c           |  4 ++++
 gdk/x11/gdkx-autocleanups.h       |  2 ++
 gdk/x11/gdkx-with-gl-context.h    | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 gdk/x11/gdkx-without-gl-context.h | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 gdk/x11/gdkx.h                    | 59 -----------------------------------------------------------
 gtk/Makefile.am                   |  3 +--
 gtk/gtkglarea.c                   | 20 +++++++++++++++++++-
 gtk/inspector/general.c           |  6 ++++++
 tests/Makefile.am                 | 10 +++++++---
 testsuite/gtk/objects-finalize.c  |  2 ++
 21 files changed, 260 insertions(+), 76 deletions(-)

diff --git a/configure.ac b/configure.ac
index a01824e..dde9dc5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -342,6 +342,15 @@ AC_ARG_ENABLE(mir-backend,
                               [enable the Mir gdk backend])],
 			      [backend_set=yes])
 
+AC_ARG_ENABLE(opengl,
+              [AS_HELP_STRING([--enable-opengl],
+                              [When enabled, Gtk+ will use libepoxy and exposes GtkGLArea widget ])])
+AS_IF([test "x$enable_opengl" != "xno"], [
+  AC_DEFINE([HAVE_OPENGL], [1], [libepoxy and opengl APIs are available at buildtime])
+  EPOXY_PACKAGES="epoxy >= epoxy_required_version"
+])
+AM_CONDITIONAL([HAVE_OPENGL],[test "x$enable_opengl" != "xno"])
+
 AC_ARG_ENABLE(glx,
               [AS_HELP_STRING([--enable-glx],
                               [When enabled Gdk will try to initialize GLX])])
@@ -1333,7 +1342,7 @@ CFLAGS="$saved_cflags"
 LDFLAGS="$saved_ldflags"
 
 GDK_PACKAGES="$PANGO_PACKAGES gdk-pixbuf-2.0 >= gdk_pixbuf_required_version cairo >= cairo_required_version cairo-gobject >= cairo_required_version"
-GDK_PRIVATE_PACKAGES="$GDK_GIO_PACKAGE $X_PACKAGES $WAYLAND_PACKAGES $MIR_PACKAGES $cairo_backends epoxy >= epoxy_required_version"
+GDK_PRIVATE_PACKAGES="$GDK_GIO_PACKAGE $X_PACKAGES $WAYLAND_PACKAGES $MIR_PACKAGES $cairo_backends $EPOXY_PACKAGES"
 
 PKG_CHECK_MODULES(GDK_DEP, $GDK_PACKAGES $GDK_PRIVATE_PACKAGES)
 GDK_DEP_LIBS="$GDK_EXTRA_LIBS $GDK_DEP_LIBS $MATH_LIB"
@@ -1367,7 +1376,7 @@ fi
 PKG_CHECK_MODULES(ATK, $ATK_PACKAGES)
 
 GTK_PACKAGES="atk >= atk_required_version cairo >= cairo_required_version cairo-gobject >= cairo_required_version gdk-pixbuf-2.0 >= gdk_pixbuf_required_version gio-2.0 >= glib_required_version"
-GTK_PRIVATE_PACKAGES="$ATK_PACKAGES $WAYLAND_PACKAGES $MIR_PACKAGES epoxy >= epoxy_required_version"
+GTK_PRIVATE_PACKAGES="$ATK_PACKAGES $WAYLAND_PACKAGES $MIR_PACKAGES $EPOXY_PACKAGES"
 if test "x$enable_x11_backend" = xyes -o "x$enable_wayland_backend" = xyes; then
   GTK_PRIVATE_PACKAGES="$GTK_PRIVATE_PACKAGES pangoft2"
 fi
diff --git a/demos/gtk-demo/glarea.c b/demos/gtk-demo/glarea.c
index 3aba729..c6c79f7 100644
--- a/demos/gtk-demo/glarea.c
+++ b/demos/gtk-demo/glarea.c
@@ -5,7 +5,9 @@
 
 #include <math.h>
 #include <gtk/gtk.h>
+#if HAVE_OPENGL
 #include <epoxy/gl.h>
+#endif
 
 static GtkWidget *demo_window = NULL;
 
@@ -23,6 +25,8 @@ enum {
 /* Rotation angles on each axis */
 static float rotation_angles[N_AXIS] = { 0.0 };
 
+#ifdef HAVE_OPENGL
+
 /* The object we are drawing */
 static const GLfloat vertex_data[] = {
   0.f,   0.5f,   0.f, 1.f,
@@ -213,6 +217,7 @@ compute_mvp (float *res,
 static GLuint position_buffer;
 static GLuint program;
 static GLuint mvp_location;
+#endif
 
 /* We need to set up our state when we realize the GtkGLArea widget */
 static void
@@ -223,8 +228,10 @@ realize (GtkWidget *widget)
   if (gtk_gl_area_get_error (GTK_GL_AREA (widget)) != NULL)
     return;
 
+#ifdef HAVE_OPENGL
   init_buffers (&position_buffer, NULL);
   init_shaders (&program, &mvp_location);
+#endif
 }
 
 /* We should tear down the state when unrealizing */
@@ -236,10 +243,13 @@ unrealize (GtkWidget *widget)
   if (gtk_gl_area_get_error (GTK_GL_AREA (widget)) != NULL)
     return;
 
+#ifdef HAVE_OPENGL
   glDeleteBuffers (1, &position_buffer);
   glDeleteProgram (program);
+#endif
 }
 
+#ifdef HAVE_OPENGL
 static void
 draw_triangle (void)
 {
@@ -272,6 +282,7 @@ draw_triangle (void)
   glBindBuffer (GL_ARRAY_BUFFER, 0);
   glUseProgram (0);
 }
+#endif
 
 static gboolean
 render (GtkGLArea    *area,
@@ -280,6 +291,7 @@ render (GtkGLArea    *area,
   if (gtk_gl_area_get_error (area) != NULL)
     return FALSE;
 
+#ifdef HAVE_OPENGL
   /* Clear the viewport */
   glClearColor (0.5, 0.5, 0.5, 1.0);
   glClear (GL_COLOR_BUFFER_BIT);
@@ -289,6 +301,7 @@ render (GtkGLArea    *area,
 
   /* Flush the contents of the pipeline */
   glFlush ();
+#endif
 
   return TRUE;
 }
diff --git a/docs/tools/Makefile.am b/docs/tools/Makefile.am
index 6a6d70f..5cdf312 100644
--- a/docs/tools/Makefile.am
+++ b/docs/tools/Makefile.am
@@ -9,13 +9,18 @@ AM_CPPFLAGS = \
 	$(GTK_DEBUG_FLAGS)		\
 	$(GTK_DEP_CFLAGS)
 
+if HAVE_OPENGL
+GEARS_LDADD = $(top_builddir)/tests/gtkgears.o
+endif
+
 DEPS = \
-	$(top_builddir)/gtk/libgtk-3.la
+	$(top_builddir)/gtk/libgtk-3.la	\
+	$(GEARS_LDADD)
 
 LDADDS = \
 	$(top_builddir)/gtk/libgtk-3.la	\
 	$(top_builddir)/gdk/libgdk-3.la	\
-	$(top_builddir)/tests/gtkgears.o \
+	$(GEARS_LDADD)			\
 	$(GTK_DEP_LIBS)			\
 	$(GDK_DEP_LIBS)			\
 	-lm
diff --git a/docs/tools/widgets.c b/docs/tools/widgets.c
index 932daf1..54239d6 100644
--- a/docs/tools/widgets.c
+++ b/docs/tools/widgets.c
@@ -1526,9 +1526,11 @@ create_gl_area (void)
   widget = gtk_frame_new (NULL);
   gtk_frame_set_shadow_type (GTK_FRAME (widget), GTK_SHADOW_IN);
 
+#ifdef HAVE_OPENGL
   gears = gtk_gears_new ();
   gtk_container_add (GTK_CONTAINER (widget), gears);
- 
+#endif
+
   info = new_widget_info ("glarea", widget, MEDIUM);
 
   return info;
diff --git a/gdk/gdkdisplay.c b/gdk/gdkdisplay.c
index 6150ef7..2223629 100644
--- a/gdk/gdkdisplay.c
+++ b/gdk/gdkdisplay.c
@@ -2360,7 +2360,9 @@ gboolean
 gdk_display_make_gl_context_current (GdkDisplay   *display,
                                      GdkGLContext *context)
 {
-  return GDK_DISPLAY_GET_CLASS (display)->make_gl_context_current (display, context);
+  if (GDK_DISPLAY_GET_CLASS (display)->make_gl_context_current)
+    return GDK_DISPLAY_GET_CLASS (display)->make_gl_context_current (display, context);
+  return FALSE;
 }
 
 GdkRenderingMode
diff --git a/gdk/gdkgl.c b/gdk/gdkgl.c
index e8ba770..ba7c84b 100644
--- a/gdk/gdkgl.c
+++ b/gdk/gdkgl.c
@@ -22,7 +22,9 @@
 
 #include "gdkinternals.h"
 
+#ifdef HAVE_OPENGL
 #include <epoxy/gl.h>
+#endif
 #include <math.h>
 #include <string.h>
 
@@ -36,6 +38,7 @@ gdk_cairo_surface_mark_as_direct (cairo_surface_t *surface,
                                g_object_ref (window),  g_object_unref);
 }
 
+#ifdef HAVE_OPENGL
 static const char *
 get_vertex_type_name (int type)
 {
@@ -254,6 +257,7 @@ use_texture_rect_program (GdkGLContextPaintData *paint_data)
       glUseProgram (paint_data->current_program->program);
     }
 }
+#endif
 
 void
 gdk_gl_texture_quads (GdkGLContext *paint_context,
@@ -261,6 +265,7 @@ gdk_gl_texture_quads (GdkGLContext *paint_context,
                       int n_quads,
                       GdkTexturedQuad *quads)
 {
+#ifdef HAVE_OPENGL
   GdkGLContextPaintData *paint_data  = gdk_gl_context_get_paint_data (paint_context);
   GdkGLContextProgram *program;
   GdkWindow *window = gdk_gl_context_get_window (paint_context);
@@ -324,6 +329,7 @@ gdk_gl_texture_quads (GdkGLContext *paint_context,
 
   glDisableVertexAttribArray (program->position_location);
   glDisableVertexAttribArray (program->uv_location);
+#endif
 }
 
 /* x,y,width,height describes a rectangle in the gl render buffer
@@ -372,6 +378,7 @@ gdk_cairo_draw_from_gl (cairo_t              *cr,
                         int                   width,
                         int                   height)
 {
+#ifdef HAVE_OPENGL
   GdkGLContext *paint_context;
   cairo_surface_t *image;
   cairo_matrix_t matrix;
@@ -692,6 +699,7 @@ gdk_cairo_draw_from_gl (cairo_t              *cr,
   if (clip_region)
     cairo_region_destroy (clip_region);
 
+#endif
 }
 
 /* This is always called with the paint context current */
@@ -699,6 +707,7 @@ void
 gdk_gl_texture_from_surface (cairo_surface_t *surface,
 			     cairo_region_t  *region)
 {
+#ifdef HAVE_OPENGL
   GdkGLContext *paint_context;
   cairo_surface_t *image;
   double device_x_offset, device_y_offset;
@@ -799,4 +808,5 @@ gdk_gl_texture_from_surface (cairo_surface_t *surface,
 
   glDisable (GL_SCISSOR_TEST);
   glDeleteTextures (1, &texture_id);
+#endif
 }
diff --git a/gdk/gdkglcontext.c b/gdk/gdkglcontext.c
index 00a33eb..bd8a793 100644
--- a/gdk/gdkglcontext.c
+++ b/gdk/gdkglcontext.c
@@ -85,7 +85,9 @@
 #include "gdkintl.h"
 #include "gdk-private.h"
 
+#ifdef HAVE_OPENGL
 #include <epoxy/gl.h>
+#endif
 
 typedef struct {
   GdkDisplay *display;
@@ -239,6 +241,7 @@ gdk_gl_context_upload_texture (GdkGLContext    *context,
                                int              height,
                                guint            texture_target)
 {
+#ifdef HAVE_OPENGL
   g_return_if_fail (GDK_IS_GL_CONTEXT (context));
 
   glPixelStorei (GL_UNPACK_ALIGNMENT, 4);
@@ -246,6 +249,7 @@ gdk_gl_context_upload_texture (GdkGLContext    *context,
   glTexImage2D (texture_target, 0, GL_RGBA, width, height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
                 cairo_image_surface_get_data (image_surface));
   glPixelStorei (GL_UNPACK_ROW_LENGTH, 0);
+#endif
 }
 
 static void
@@ -635,6 +639,7 @@ gdk_gl_context_realize (GdkGLContext  *context,
 static void
 gdk_gl_context_check_extensions (GdkGLContext *context)
 {
+#ifdef HAVE_OPENGL
   GdkGLContextPrivate *priv = gdk_gl_context_get_instance_private (context);
   gboolean has_npot, has_texture_rectangle;
 
@@ -677,6 +682,7 @@ gdk_gl_context_check_extensions (GdkGLContext *context)
                        priv->use_texture_rectangle ? "yes" : "no"));
 
   priv->extensions_checked = TRUE;
+#endif
 }
 
 /**
diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index 66ebb9d..74a0c3a 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -44,7 +44,9 @@
 
 #include <math.h>
 
+#ifdef HAVE_OPENGL
 #include <epoxy/gl.h>
+#endif
 
 /* for the use of round() */
 #include "fallback-c89.c"
@@ -2759,6 +2761,13 @@ gdk_window_get_paint_gl_context (GdkWindow  *window,
 {
   GError *internal_error = NULL;
 
+#ifndef HAVE_OPENGL
+  g_set_error_literal (error, GDK_GL_ERROR,
+                       GDK_GL_ERROR_NOT_AVAILABLE,
+                       _("GL support disabled with --disable-opengl"));
+  return NULL;
+#endif
+
   if (_gdk_gl_flags & GDK_GL_DISABLE)
     {
       g_set_error_literal (error, GDK_GL_ERROR,
@@ -2955,6 +2964,7 @@ gdk_window_begin_paint_region (GdkWindow       *window,
         }
       else
         {
+#ifdef HAVE_OPENGL
 	  gdk_gl_context_make_current (context);
           /* With gl we always need a surface to combine the gl
              drawing with the native drawing. */
@@ -2969,6 +2979,7 @@ gdk_window_begin_paint_region (GdkWindow       *window,
           glBlendFunc (GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
 
           glViewport (0, 0, ww, wh);
+#endif
         }
     }
 
@@ -3117,6 +3128,7 @@ gdk_window_end_paint (GdkWindow *window)
 
           gdk_gl_context_make_current (window->gl_paint_context);
 
+#ifdef HAVE_OPENGL
           if (!cairo_region_is_empty (opaque_region))
             gdk_gl_texture_from_surface (window->current_paint.surface,
                                          opaque_region);
@@ -3127,6 +3139,7 @@ gdk_window_end_paint (GdkWindow *window)
                                            window->current_paint.need_blend_region);
               glDisable(GL_BLEND);
             }
+#endif
 
           cairo_region_destroy (opaque_region);
 
diff --git a/gdk/x11/Makefile.am b/gdk/x11/Makefile.am
index c488a31..4ce3c07 100644
--- a/gdk/x11/Makefile.am
+++ b/gdk/x11/Makefile.am
@@ -39,8 +39,6 @@ libgdk_x11_la_SOURCES = 	\
 	gdkeventtranslator.c	\
 	gdkeventtranslator.h	\
 	gdkgeometry-x11.c  	\
-	gdkglcontext-x11.c	\
-	gdkglcontext-x11.h	\
 	gdkkeys-x11.c		\
 	gdkmain-x11.c		\
 	gdkproperty-x11.c	\
@@ -53,14 +51,32 @@ libgdk_x11_la_SOURCES = 	\
 	gdkwindow-x11.h		\
 	gdkxftdefaults.c	\
 	gdkxid.c		\
-	gdkx.h			\
 	gdkprivate-x11.h	\
 	xsettings-client.h	\
 	xsettings-client.c
 
+if HAVE_OPENGL
+libgdk_x11_la_SOURCES +=        \
+	gdkglcontext-x11.c	\
+	gdkglcontext-x11.h
+endif
+
 libgdkinclude_HEADERS = 	\
 	gdkx.h
 
+if HAVE_OPENGL
+GDKX_HEADER = gdkx-with-gl-context.h
+else
+GDKX_HEADER = gdkx-without-gl-context.h
+endif
+
+BUILT_SOURCES = gdkx.h
+
+.PHONY: gdkx.h
+gdkx.h:
+	$(AM_V_GEN) cd $(srcdir) \
+	&& (cmp -s $(GDKX_HEADER) gdkx.h || cp $(GDKX_HEADER) gdkx.h )
+
 libgdkx11include_HEADERS = 	\
 	gdkx-autocleanups.h	\
 	gdkx11applaunchcontext.h \
@@ -74,7 +90,6 @@ libgdkx11include_HEADERS = 	\
 	gdkx11display.h		\
 	gdkx11displaymanager.h	\
 	gdkx11dnd.h		\
-	gdkx11glcontext.h	\
 	gdkx11keys.h		\
 	gdkx11property.h	\
 	gdkx11screen.h		\
@@ -83,9 +98,16 @@ libgdkx11include_HEADERS = 	\
 	gdkx11visual.h		\
 	gdkx11window.h
 
+if HAVE_OPENGL
+libgdkx11include_HEADERS += gdkx11glcontext.h
+endif
+
 # We need to include all these C files here since the conditionals
 # don't seem to be correctly expanded for the dist files.
 EXTRA_DIST += 			\
+	gdkx.h			\
 	gdksettings.c
 
+MAINTAINERCLEANFILES = gdkx.h
+
 -include $(top_srcdir)/git.mk
diff --git a/gdk/x11/gdkdisplay-x11.c b/gdk/x11/gdkdisplay-x11.c
index de91c64..42d50f6 100644
--- a/gdk/x11/gdkdisplay-x11.c
+++ b/gdk/x11/gdkdisplay-x11.c
@@ -37,7 +37,9 @@
 #include "gdkdisplay-x11.h"
 #include "gdkprivate-x11.h"
 #include "gdkscreen-x11.h"
+#ifdef HAVE_OPENGL
 #include "gdkglcontext-x11.h"
+#endif
 #include "gdk-private.h"
 
 #include <glib.h>
@@ -2959,7 +2961,9 @@ gdk_x11_display_class_init (GdkX11DisplayClass * class)
   display_class->text_property_to_utf8_list = _gdk_x11_display_text_property_to_utf8_list;
   display_class->utf8_to_string_target = _gdk_x11_display_utf8_to_string_target;
 
-  display_class->make_gl_context_current = gdk_x11_display_make_gl_context_current;
+#ifdef HAVE_OPENGL
+   display_class->make_gl_context_current = gdk_x11_display_make_gl_context_current;
+#endif
 
   display_class->get_default_seat = gdk_x11_display_get_default_seat;
 
diff --git a/gdk/x11/gdkscreen-x11.c b/gdk/x11/gdkscreen-x11.c
index 9d8ed20..bd46b00 100644
--- a/gdk/x11/gdkscreen-x11.c
+++ b/gdk/x11/gdkscreen-x11.c
@@ -1968,3 +1968,8 @@ gdk_x11_screen_get_current_desktop (GdkScreen *screen)
 {
   return get_netwm_cardinal_property (screen, "_NET_CURRENT_DESKTOP");
 }
+
+#ifndef HAVE_OPENGL
+/* Function from in gdk/x11/gdkglcontext-x11.c */
+void _gdk_x11_screen_update_visuals_for_gl (GdkScreen *screen) {}
+#endif
diff --git a/gdk/x11/gdkwindow-x11.c b/gdk/x11/gdkwindow-x11.c
index 9ed087a..30d6eb7 100644
--- a/gdk/x11/gdkwindow-x11.c
+++ b/gdk/x11/gdkwindow-x11.c
@@ -36,7 +36,9 @@
 #include "gdkasync.h"
 #include "gdkeventsource.h"
 #include "gdkdisplay-x11.h"
+#ifdef HAVE_OPENGL
 #include "gdkglcontext-x11.h"
+#endif
 #include "gdkprivate-x11.h"
 #include "gdk-private.h"
 
@@ -5782,7 +5784,9 @@ gdk_window_impl_x11_class_init (GdkWindowImplX11Class *klass)
   impl_class->set_opaque_region = gdk_x11_window_set_opaque_region;
   impl_class->set_shadow_width = gdk_x11_window_set_shadow_width;
   impl_class->show_window_menu = gdk_x11_window_show_window_menu;
+#ifdef HAVE_OPENGL
   impl_class->create_gl_context = gdk_x11_window_create_gl_context;
   impl_class->invalidate_for_new_frame = gdk_x11_window_invalidate_for_new_frame;
+#endif
   impl_class->get_unscaled_size = gdk_x11_window_get_unscaled_size;
 }
diff --git a/gdk/x11/gdkx-autocleanups.h b/gdk/x11/gdkx-autocleanups.h
index edb0ea7..a317d61 100644
--- a/gdk/x11/gdkx-autocleanups.h
+++ b/gdk/x11/gdkx-autocleanups.h
@@ -30,7 +30,9 @@ G_DEFINE_AUTOPTR_CLEANUP_FUNC(GdkX11DeviceXI2, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GdkX11Display, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GdkX11DisplayManager, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GdkX11DragContext, g_object_unref)
+#ifdef HAVE_OPENGL
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GdkX11GLContext, g_object_unref)
+#endif
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GdkX11Keymap, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GdkX11Screen, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GdkX11Visual, g_object_unref)
diff --git a/gdk/x11/gdkx-with-gl-context.h b/gdk/x11/gdkx-with-gl-context.h
new file mode 100644
index 0000000..ae05fa6
--- /dev/null
+++ b/gdk/x11/gdkx-with-gl-context.h
@@ -0,0 +1,59 @@
+/* GDK - The GIMP Drawing Kit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
+ * file for a list of people on the GTK+ Team.  See the ChangeLog
+ * files for a list of changes.  These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+#ifndef __GDK_X_H__
+#define __GDK_X_H__
+
+#include <gdk/gdk.h>
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+#define __GDKX_H_INSIDE__
+
+#include <gdk/x11/gdkx11applaunchcontext.h>
+#include <gdk/x11/gdkx11cursor.h>
+#include <gdk/x11/gdkx11device.h>
+#include <gdk/x11/gdkx11device-core.h>
+#include <gdk/x11/gdkx11device-xi2.h>
+#include <gdk/x11/gdkx11devicemanager.h>
+#include <gdk/x11/gdkx11devicemanager-core.h>
+#include <gdk/x11/gdkx11devicemanager-xi2.h>
+#include <gdk/x11/gdkx11display.h>
+#include <gdk/x11/gdkx11displaymanager.h>
+#include <gdk/x11/gdkx11dnd.h>
+#include <gdk/x11/gdkx11glcontext.h>
+#include <gdk/x11/gdkx11keys.h>
+#include <gdk/x11/gdkx11property.h>
+#include <gdk/x11/gdkx11screen.h>
+#include <gdk/x11/gdkx11selection.h>
+#include <gdk/x11/gdkx11utils.h>
+#include <gdk/x11/gdkx11visual.h>
+#include <gdk/x11/gdkx11window.h>
+
+#include <gdk/x11/gdkx-autocleanups.h>
+
+#undef __GDKX_H_INSIDE__
+
+#endif /* __GDK_X_H__ */
diff --git a/gdk/x11/gdkx-without-gl-context.h b/gdk/x11/gdkx-without-gl-context.h
new file mode 100644
index 0000000..c9e2617
--- /dev/null
+++ b/gdk/x11/gdkx-without-gl-context.h
@@ -0,0 +1,58 @@
+/* GDK - The GIMP Drawing Kit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
+ * file for a list of people on the GTK+ Team.  See the ChangeLog
+ * files for a list of changes.  These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+#ifndef __GDK_X_H__
+#define __GDK_X_H__
+
+#include <gdk/gdk.h>
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+#define __GDKX_H_INSIDE__
+
+#include <gdk/x11/gdkx11applaunchcontext.h>
+#include <gdk/x11/gdkx11cursor.h>
+#include <gdk/x11/gdkx11device.h>
+#include <gdk/x11/gdkx11device-core.h>
+#include <gdk/x11/gdkx11device-xi2.h>
+#include <gdk/x11/gdkx11devicemanager.h>
+#include <gdk/x11/gdkx11devicemanager-core.h>
+#include <gdk/x11/gdkx11devicemanager-xi2.h>
+#include <gdk/x11/gdkx11display.h>
+#include <gdk/x11/gdkx11displaymanager.h>
+#include <gdk/x11/gdkx11dnd.h>
+#include <gdk/x11/gdkx11keys.h>
+#include <gdk/x11/gdkx11property.h>
+#include <gdk/x11/gdkx11screen.h>
+#include <gdk/x11/gdkx11selection.h>
+#include <gdk/x11/gdkx11utils.h>
+#include <gdk/x11/gdkx11visual.h>
+#include <gdk/x11/gdkx11window.h>
+
+#include <gdk/x11/gdkx-autocleanups.h>
+
+#undef __GDKX_H_INSIDE__
+
+#endif /* __GDK_X_H__ */
diff --git a/gdk/x11/gdkx.h b/gdk/x11/gdkx.h
deleted file mode 100644
index ae05fa6..0000000
--- a/gdk/x11/gdkx.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/* GDK - The GIMP Drawing Kit
- * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/*
- * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
- * file for a list of people on the GTK+ Team.  See the ChangeLog
- * files for a list of changes.  These files are distributed with
- * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
- */
-
-#ifndef __GDK_X_H__
-#define __GDK_X_H__
-
-#include <gdk/gdk.h>
-
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-
-#define __GDKX_H_INSIDE__
-
-#include <gdk/x11/gdkx11applaunchcontext.h>
-#include <gdk/x11/gdkx11cursor.h>
-#include <gdk/x11/gdkx11device.h>
-#include <gdk/x11/gdkx11device-core.h>
-#include <gdk/x11/gdkx11device-xi2.h>
-#include <gdk/x11/gdkx11devicemanager.h>
-#include <gdk/x11/gdkx11devicemanager-core.h>
-#include <gdk/x11/gdkx11devicemanager-xi2.h>
-#include <gdk/x11/gdkx11display.h>
-#include <gdk/x11/gdkx11displaymanager.h>
-#include <gdk/x11/gdkx11dnd.h>
-#include <gdk/x11/gdkx11glcontext.h>
-#include <gdk/x11/gdkx11keys.h>
-#include <gdk/x11/gdkx11property.h>
-#include <gdk/x11/gdkx11screen.h>
-#include <gdk/x11/gdkx11selection.h>
-#include <gdk/x11/gdkx11utils.h>
-#include <gdk/x11/gdkx11visual.h>
-#include <gdk/x11/gdkx11window.h>
-
-#include <gdk/x11/gdkx-autocleanups.h>
-
-#undef __GDKX_H_INSIDE__
-
-#endif /* __GDK_X_H__ */
diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index 6a53a2b..49a35e6 100644
--- a/gtk/Makefile.am
+++ b/gtk/Makefile.am
@@ -1351,14 +1351,13 @@ gtkprivatetypebuiltins.c: $(gtk_private_type_h_sources)  gtkprivatetypebuiltins.
 	&& cp xgen-gptbc gtkprivatetypebuiltins.c  \
 	&& rm -f xgen-gptbc
 
-
 gtktypefuncs.c: stamp-gtktypebuiltins.h stamp-gtkprivatetypebuiltins.h $(top_srcdir)/gtk/*.h $(top_srcdir)/gtk/a11y/*.h $(top_srcdir)/gtk/deprecated/*.h $(top_srcdir)/gdk/*.h Makefile
 	$(AM_V_GEN) (echo '#undef GTK_COMPILATION' && echo '#include <gtk/gtkx.h>') > xgen-gtfsrc.c && \
 	  echo 'G_GNUC_BEGIN_IGNORE_DEPRECATIONS' > xgen-gtf && \
 	  ${CPP} $(DEFS) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) xgen-gtfsrc.c | \
 	  $(GREP) -o '\bg[td]k_[a-zA-Z0-9_]*_get_type\b' | \
 	  sort | uniq | \
-	  $(SED) '{ s/^/*tp++ = /; s/$$/();/; s/^.*\(gdk_x11\|gtk_plug_\|gtk_socket_\).*$$/#ifdef GDK_WINDOWING_X11\n&\n#endif/; }' >> xgen-gtf \
+	  $(SED) '{ s/^/*tp++ = /; s/$$/();/; s/^.*\(gdk_x11\|gtk_plug_\|gtk_socket_\).*$$/#ifdef GDK_WINDOWING_X11\n&\n#endif/; s/^.*gdk_x11_gl.*$$/#ifdef HAVE_OPENGL\n&\n#endif/; }' >> xgen-gtf \
 	&& cp xgen-gtf $@ && rm -f xgen-gtf
 gtktestutils.c: gtktypefuncs.c
 
diff --git a/gtk/gtkglarea.c b/gtk/gtkglarea.c
index 245fc6b..4214ad1 100644
--- a/gtk/gtkglarea.c
+++ b/gtk/gtkglarea.c
@@ -28,7 +28,9 @@
 #include "gtkprivate.h"
 #include "gtkrender.h"
 
+#ifdef HAVE_OPENGL
 #include <epoxy/gl.h>
+#endif
 
 /**
  * SECTION:gtkglarea
@@ -357,9 +359,12 @@ gtk_gl_area_real_create_context (GtkGLArea *area)
 static void
 gtk_gl_area_resize (GtkGLArea *area, int width, int height)
 {
+#ifdef HAVE_OPENGL
   glViewport (0, 0, width, height);
+#endif
 }
 
+#ifdef HAVE_OPENGL
 /*
  * Creates all the buffer objects needed for rendering the scene
  */
@@ -467,6 +472,7 @@ gtk_gl_area_allocate_buffers (GtkGLArea *area)
 
   priv->needs_render = TRUE;
 }
+#endif
 
 /**
  * gtk_gl_area_attach_buffers:
@@ -485,6 +491,7 @@ gtk_gl_area_allocate_buffers (GtkGLArea *area)
 void
 gtk_gl_area_attach_buffers (GtkGLArea *area)
 {
+#ifdef HAVE_OPENGL
   GtkGLAreaPrivate *priv = gtk_gl_area_get_instance_private (area);
 
   g_return_if_fail (GTK_IS_GL_AREA (area));
@@ -517,11 +524,13 @@ gtk_gl_area_attach_buffers (GtkGLArea *area)
         glFramebufferRenderbufferEXT (GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT,
                                       GL_RENDERBUFFER_EXT, priv->depth_stencil_buffer);
     }
+#endif
 }
 
 static void
 gtk_gl_area_delete_buffers (GtkGLArea *area)
 {
+#ifdef HAVE_OPENGL
   GtkGLAreaPrivate *priv = gtk_gl_area_get_instance_private (area);
 
   if (priv->context == NULL)
@@ -553,6 +562,7 @@ gtk_gl_area_delete_buffers (GtkGLArea *area)
       glDeleteFramebuffersEXT (1, &priv->frame_buffer);
       priv->frame_buffer = 0;
     }
+#endif
 }
 
 static void
@@ -663,6 +673,7 @@ gtk_gl_area_draw (GtkWidget *widget,
   GtkGLArea *area = GTK_GL_AREA (widget);
   GtkGLAreaPrivate *priv = gtk_gl_area_get_instance_private (area);
   gboolean unused;
+#ifdef HAVE_OPENGL
   int w, h, scale;
   GLenum status;
 
@@ -674,7 +685,6 @@ gtk_gl_area_draw (GtkWidget *widget,
                                      gtk_widget_get_allocated_height (widget));
       return FALSE;
     }
-
   if (priv->context == NULL)
     return FALSE;
 
@@ -720,6 +730,14 @@ gtk_gl_area_draw (GtkWidget *widget,
     }
 
   return TRUE;
+#else
+  if (priv->error != NULL)
+      gtk_gl_area_draw_error_screen (area,
+                                     cr,
+                                     gtk_widget_get_allocated_width (widget),
+                                     gtk_widget_get_allocated_height (widget));
+  return FALSE;
+#endif
 }
 
 static gboolean
diff --git a/gtk/inspector/general.c b/gtk/inspector/general.c
index 4eab3a7..c4e900e 100644
--- a/gtk/inspector/general.c
+++ b/gtk/inspector/general.c
@@ -33,8 +33,10 @@
 
 #ifdef GDK_WINDOWING_X11
 #include "x11/gdkx.h"
+#ifdef HAVE_OPENGL
 #include <epoxy/glx.h>
 #endif
+#endif
 
 #ifdef GDK_WINDOWING_WIN32
 #include "win32/gdkwin32.h"
@@ -147,6 +149,7 @@ append_extension_row (GtkInspectorGeneral *gen,
   gtk_size_group_add_widget (GTK_SIZE_GROUP (gen->priv->labels), label);
 }
 
+#ifdef HAVE_OPENGL
 #ifdef GDK_WINDOWING_X11
 static void
 append_glx_extension_row (GtkInspectorGeneral *gen,
@@ -156,6 +159,7 @@ append_glx_extension_row (GtkInspectorGeneral *gen,
   append_extension_row (gen, ext, epoxy_has_glx_extension (dpy, 0, ext));
 }
 #endif
+#endif
 
 #ifdef GDK_WINDOWING_WAYLAND
 static void
@@ -171,6 +175,7 @@ append_egl_extension_row (GtkInspectorGeneral *gen,
 static void
 init_gl (GtkInspectorGeneral *gen)
 {
+#ifdef HAVE_OPENGL
 #ifdef GDK_WINDOWING_X11
   if (GDK_IS_X11_DISPLAY (gdk_display_get_default ()))
     {
@@ -197,6 +202,7 @@ init_gl (GtkInspectorGeneral *gen)
     }
   else
 #endif
+#endif
 #ifdef GDK_WINDOWING_WAYLAND
   if (GDK_IS_WAYLAND_DISPLAY (gdk_display_get_default ()))
     {
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 681807d..2941a36 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -80,8 +80,6 @@ noinst_PROGRAMS =  $(TEST_PROGS)	\
 	testfullscreen			\
 	testgeometry			\
 	testgiconpixbuf			\
-	testglarea			\
-	testglblending			\
 	testgrid			\
 	testgtk				\
 	testheaderbar			\
@@ -169,11 +167,17 @@ noinst_PROGRAMS =  $(TEST_PROGS)	\
 	testactionbar			\
 	testwindowsize			\
 	testpopover			\
-	gdkgears			\
 	listmodel			\
 	testpopup			\
 	$(NULL)
 
+if HAVE_OPENGL
+noinst_PROGRAMS +=
+	testglarea                      \
+	testglblending                  \
+	gdkgears
+endif
+
 if USE_X11
 noinst_PROGRAMS += testerrors
 endif
diff --git a/testsuite/gtk/objects-finalize.c b/testsuite/gtk/objects-finalize.c
index e0ebee0..703643c 100644
--- a/testsuite/gtk/objects-finalize.c
+++ b/testsuite/gtk/objects-finalize.c
@@ -115,8 +115,10 @@ main (int argc, char **argv)
 	  all_types[i] != GDK_TYPE_X11_DEVICE_MANAGER_CORE &&
 	  all_types[i] != GDK_TYPE_X11_DEVICE_MANAGER_XI2 &&
 	  all_types[i] != GDK_TYPE_X11_DISPLAY_MANAGER &&
+#ifdef HAVE_OPENGL
 	  all_types[i] != GDK_TYPE_X11_GL_CONTEXT &&
 #endif
+#endif
 	  /* Not allowed to finalize a GdkPixbufLoader without calling gdk_pixbuf_loader_close() */
 	  all_types[i] != GDK_TYPE_PIXBUF_LOADER &&
 	  all_types[i] != gdk_pixbuf_simple_anim_iter_get_type())
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-25 01:08:03 +0000