forked from AuroraMiddleware/gtk
95931a7e6c
Goals: 1. Provide as much information as possible in the error message, so users can try to fix their system themselves. 2. Try to formulate the error message in a way that explains that this is not something GTK can fix, but a lower layer problem. Related: #4193
624 lines
20 KiB
C
624 lines
20 KiB
C
/* GDK - The GIMP Drawing Kit
|
||
*
|
||
* gdkglcontext-wayland.c: Wayland specific OpenGL wrappers
|
||
*
|
||
* Copyright © 2014 Emmanuele Bassi
|
||
* Copyright © 2014 Alexander Larsson
|
||
*
|
||
* This library is free software; you can redistribute it and/or
|
||
* modify it under the terms of the GNU Library 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
|
||
* Library General Public License for more details.
|
||
*
|
||
* You should have received a copy of the GNU Library General Public
|
||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||
*/
|
||
|
||
#include "config.h"
|
||
|
||
#include "gdkglcontext-wayland.h"
|
||
|
||
#include "gdkdisplay-wayland.h"
|
||
#include "gdksurface-wayland.h"
|
||
|
||
#include "gdkwaylanddisplay.h"
|
||
#include "gdkwaylandglcontext.h"
|
||
#include "gdkwaylandsurface.h"
|
||
#include "gdkprivate-wayland.h"
|
||
|
||
#include "gdkinternals.h"
|
||
#include "gdk-private.h"
|
||
#include "gdksurfaceprivate.h"
|
||
#include "gdkprofilerprivate.h"
|
||
|
||
#include "gdkintl.h"
|
||
|
||
/**
|
||
* GdkWaylandGLContext:
|
||
*
|
||
* The Wayland implementation of `GdkGLContext`.
|
||
*/
|
||
|
||
G_DEFINE_TYPE (GdkWaylandGLContext, gdk_wayland_gl_context, GDK_TYPE_GL_CONTEXT)
|
||
|
||
static void gdk_wayland_gl_context_dispose (GObject *gobject);
|
||
|
||
#define N_EGL_ATTRS 16
|
||
|
||
static gboolean
|
||
gdk_wayland_gl_context_realize (GdkGLContext *context,
|
||
GError **error)
|
||
{
|
||
GdkWaylandGLContext *context_wayland = GDK_WAYLAND_GL_CONTEXT (context);
|
||
GdkDisplay *display = gdk_gl_context_get_display (context);
|
||
GdkGLContext *share = gdk_display_get_gl_context (display);
|
||
GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (display);
|
||
EGLContext ctx;
|
||
EGLint context_attribs[N_EGL_ATTRS];
|
||
int major, minor, flags;
|
||
gboolean debug_bit, forward_bit, legacy_bit, use_es;
|
||
int i = 0;
|
||
G_GNUC_UNUSED gint64 start_time = GDK_PROFILER_CURRENT_TIME;
|
||
|
||
gdk_gl_context_get_required_version (context, &major, &minor);
|
||
debug_bit = gdk_gl_context_get_debug_enabled (context);
|
||
forward_bit = gdk_gl_context_get_forward_compatible (context);
|
||
legacy_bit = GDK_DISPLAY_DEBUG_CHECK (display, GL_LEGACY) ||
|
||
(share != NULL && gdk_gl_context_is_legacy (share));
|
||
use_es = GDK_DISPLAY_DEBUG_CHECK (display, GL_GLES) ||
|
||
(share != NULL && gdk_gl_context_get_use_es (share));
|
||
|
||
flags = 0;
|
||
|
||
if (debug_bit)
|
||
flags |= EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR;
|
||
if (forward_bit)
|
||
flags |= EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR;
|
||
|
||
if (!use_es)
|
||
{
|
||
eglBindAPI (EGL_OPENGL_API);
|
||
|
||
/* We want a core profile, unless in legacy mode */
|
||
context_attribs[i++] = EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR;
|
||
context_attribs[i++] = legacy_bit
|
||
? EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR
|
||
: EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR;
|
||
|
||
/* Specify the version */
|
||
context_attribs[i++] = EGL_CONTEXT_MAJOR_VERSION_KHR;
|
||
context_attribs[i++] = legacy_bit ? 3 : major;
|
||
context_attribs[i++] = EGL_CONTEXT_MINOR_VERSION_KHR;
|
||
context_attribs[i++] = legacy_bit ? 0 : minor;
|
||
}
|
||
else
|
||
{
|
||
eglBindAPI (EGL_OPENGL_ES_API);
|
||
|
||
context_attribs[i++] = EGL_CONTEXT_CLIENT_VERSION;
|
||
if (major == 3)
|
||
context_attribs[i++] = 3;
|
||
else
|
||
context_attribs[i++] = 2;
|
||
}
|
||
|
||
/* Specify the flags */
|
||
context_attribs[i++] = EGL_CONTEXT_FLAGS_KHR;
|
||
context_attribs[i++] = flags;
|
||
|
||
context_attribs[i++] = EGL_NONE;
|
||
g_assert (i < N_EGL_ATTRS);
|
||
|
||
GDK_DISPLAY_NOTE (display, OPENGL,
|
||
g_message ("Creating EGL context version %d.%d (debug:%s, forward:%s, legacy:%s, es:%s)",
|
||
major, minor,
|
||
debug_bit ? "yes" : "no",
|
||
forward_bit ? "yes" : "no",
|
||
legacy_bit ? "yes" : "no",
|
||
use_es ? "yes" : "no"));
|
||
|
||
ctx = eglCreateContext (display_wayland->egl_display,
|
||
display_wayland->egl_config,
|
||
share != NULL ? GDK_WAYLAND_GL_CONTEXT (share)->egl_context
|
||
: EGL_NO_CONTEXT,
|
||
context_attribs);
|
||
|
||
/* If context creation failed without the ES bit, let's try again with it */
|
||
if (ctx == NULL)
|
||
{
|
||
i = 0;
|
||
context_attribs[i++] = EGL_CONTEXT_MAJOR_VERSION;
|
||
context_attribs[i++] = 2;
|
||
context_attribs[i++] = EGL_CONTEXT_MINOR_VERSION;
|
||
context_attribs[i++] = 0;
|
||
context_attribs[i++] = EGL_CONTEXT_FLAGS_KHR;
|
||
context_attribs[i++] = flags & ~EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR;
|
||
context_attribs[i++] = EGL_NONE;
|
||
g_assert (i < N_EGL_ATTRS);
|
||
|
||
eglBindAPI (EGL_OPENGL_ES_API);
|
||
|
||
legacy_bit = FALSE;
|
||
use_es = TRUE;
|
||
|
||
GDK_DISPLAY_NOTE (display, OPENGL,
|
||
g_message ("eglCreateContext failed, switching to OpenGL ES"));
|
||
ctx = eglCreateContext (display_wayland->egl_display,
|
||
display_wayland->egl_config,
|
||
share != NULL ? GDK_WAYLAND_GL_CONTEXT (share)->egl_context
|
||
: EGL_NO_CONTEXT,
|
||
context_attribs);
|
||
}
|
||
|
||
/* If context creation failed without the legacy bit, let's try again with it */
|
||
if (ctx == NULL)
|
||
{
|
||
i = 0;
|
||
context_attribs[i++] = EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR;
|
||
context_attribs[i++] = EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR;
|
||
context_attribs[i++] = EGL_CONTEXT_MAJOR_VERSION;
|
||
context_attribs[i++] = 3;
|
||
context_attribs[i++] = EGL_CONTEXT_MINOR_VERSION;
|
||
context_attribs[i++] = 0;
|
||
context_attribs[i++] = EGL_CONTEXT_FLAGS_KHR;
|
||
context_attribs[i++] = flags & ~EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR;
|
||
context_attribs[i++] = EGL_NONE;
|
||
g_assert (i < N_EGL_ATTRS);
|
||
|
||
eglBindAPI (EGL_OPENGL_API);
|
||
|
||
legacy_bit = TRUE;
|
||
use_es = FALSE;
|
||
|
||
GDK_DISPLAY_NOTE (display, OPENGL,
|
||
g_message ("eglCreateContext failed, switching to legacy"));
|
||
ctx = eglCreateContext (display_wayland->egl_display,
|
||
display_wayland->egl_config,
|
||
share != NULL ? GDK_WAYLAND_GL_CONTEXT (share)->egl_context
|
||
: EGL_NO_CONTEXT,
|
||
context_attribs);
|
||
}
|
||
|
||
if (ctx == NULL)
|
||
{
|
||
g_set_error_literal (error, GDK_GL_ERROR,
|
||
GDK_GL_ERROR_NOT_AVAILABLE,
|
||
_("Unable to create a GL context"));
|
||
return FALSE;
|
||
}
|
||
|
||
GDK_DISPLAY_NOTE (display, OPENGL, g_message ("Created EGL context[%p]", ctx));
|
||
|
||
context_wayland->egl_context = ctx;
|
||
|
||
gdk_gl_context_set_is_legacy (context, legacy_bit);
|
||
gdk_gl_context_set_use_es (context, use_es);
|
||
|
||
gdk_profiler_end_mark (start_time, "realize GdkWaylandGLContext", NULL);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static cairo_region_t *
|
||
gdk_wayland_gl_context_get_damage (GdkGLContext *context)
|
||
{
|
||
GdkDisplay *display = gdk_draw_context_get_display (GDK_DRAW_CONTEXT (context));
|
||
GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (display);
|
||
EGLSurface egl_surface;
|
||
GdkSurface *surface = gdk_draw_context_get_surface (GDK_DRAW_CONTEXT (context));
|
||
int buffer_age = 0;
|
||
|
||
if (display_wayland->have_egl_buffer_age)
|
||
{
|
||
egl_surface = gdk_wayland_surface_get_egl_surface (surface);
|
||
gdk_gl_context_make_current (context);
|
||
eglQuerySurface (display_wayland->egl_display, egl_surface,
|
||
EGL_BUFFER_AGE_EXT, &buffer_age);
|
||
|
||
switch (buffer_age)
|
||
{
|
||
case 1:
|
||
return cairo_region_create ();
|
||
break;
|
||
|
||
case 2:
|
||
if (context->old_updated_area[0])
|
||
return cairo_region_copy (context->old_updated_area[0]);
|
||
break;
|
||
|
||
case 3:
|
||
if (context->old_updated_area[0] &&
|
||
context->old_updated_area[1])
|
||
{
|
||
cairo_region_t *damage = cairo_region_copy (context->old_updated_area[0]);
|
||
cairo_region_union (damage, context->old_updated_area[1]);
|
||
return damage;
|
||
}
|
||
break;
|
||
|
||
default:
|
||
;
|
||
}
|
||
}
|
||
|
||
return GDK_GL_CONTEXT_CLASS (gdk_wayland_gl_context_parent_class)->get_damage (context);
|
||
}
|
||
|
||
static gboolean
|
||
gdk_wayland_gl_context_clear_current (GdkGLContext *context)
|
||
{
|
||
GdkDisplay *display = gdk_gl_context_get_display (context);
|
||
GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (display);
|
||
|
||
return eglMakeCurrent (display_wayland->egl_display,
|
||
EGL_NO_SURFACE,
|
||
EGL_NO_SURFACE,
|
||
EGL_NO_CONTEXT);
|
||
}
|
||
|
||
static gboolean
|
||
gdk_wayland_gl_context_make_current (GdkGLContext *context,
|
||
gboolean surfaceless)
|
||
{
|
||
GdkWaylandGLContext *context_wayland = GDK_WAYLAND_GL_CONTEXT (context);
|
||
GdkDisplay *display = gdk_gl_context_get_display (context);
|
||
GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (display);
|
||
EGLSurface egl_surface;
|
||
|
||
if (!surfaceless)
|
||
egl_surface = gdk_wayland_surface_get_egl_surface (gdk_gl_context_get_surface (context));
|
||
else
|
||
egl_surface = EGL_NO_SURFACE;
|
||
|
||
return eglMakeCurrent (display_wayland->egl_display,
|
||
egl_surface,
|
||
egl_surface,
|
||
context_wayland->egl_context);
|
||
}
|
||
|
||
static void
|
||
gdk_wayland_gl_context_begin_frame (GdkDrawContext *draw_context,
|
||
cairo_region_t *region)
|
||
{
|
||
GDK_DRAW_CONTEXT_CLASS (gdk_wayland_gl_context_parent_class)->begin_frame (draw_context, region);
|
||
|
||
glDrawBuffers (1, (GLenum[1]) { GL_BACK });
|
||
}
|
||
|
||
static void
|
||
gdk_wayland_gl_context_end_frame (GdkDrawContext *draw_context,
|
||
cairo_region_t *painted)
|
||
{
|
||
GdkGLContext *context = GDK_GL_CONTEXT (draw_context);
|
||
GdkSurface *surface = gdk_gl_context_get_surface (context);
|
||
GdkDisplay *display = gdk_surface_get_display (surface);
|
||
GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (display);
|
||
EGLSurface egl_surface;
|
||
|
||
GDK_DRAW_CONTEXT_CLASS (gdk_wayland_gl_context_parent_class)->end_frame (draw_context, painted);
|
||
|
||
gdk_gl_context_make_current (context);
|
||
|
||
egl_surface = gdk_wayland_surface_get_egl_surface (surface);
|
||
gdk_wayland_surface_sync (surface);
|
||
gdk_wayland_surface_request_frame (surface);
|
||
|
||
gdk_profiler_add_mark (GDK_PROFILER_CURRENT_TIME, 0, "wayland", "swap buffers");
|
||
if (display_wayland->have_egl_swap_buffers_with_damage)
|
||
{
|
||
EGLint stack_rects[4 * 4]; /* 4 rects */
|
||
EGLint *heap_rects = NULL;
|
||
int i, j, n_rects = cairo_region_num_rectangles (painted);
|
||
int surface_height = gdk_surface_get_height (surface);
|
||
int scale = gdk_surface_get_scale_factor (surface);
|
||
EGLint *rects;
|
||
|
||
if (n_rects < G_N_ELEMENTS (stack_rects) / 4)
|
||
rects = (EGLint *)&stack_rects;
|
||
else
|
||
heap_rects = rects = g_new (EGLint, n_rects * 4);
|
||
|
||
for (i = 0, j = 0; i < n_rects; i++)
|
||
{
|
||
cairo_rectangle_int_t rect;
|
||
|
||
cairo_region_get_rectangle (painted, i, &rect);
|
||
rects[j++] = rect.x * scale;
|
||
rects[j++] = (surface_height - rect.height - rect.y) * scale;
|
||
rects[j++] = rect.width * scale;
|
||
rects[j++] = rect.height * scale;
|
||
}
|
||
eglSwapBuffersWithDamageEXT (display_wayland->egl_display, egl_surface, rects, n_rects);
|
||
g_free (heap_rects);
|
||
}
|
||
else
|
||
eglSwapBuffers (display_wayland->egl_display, egl_surface);
|
||
|
||
gdk_wayland_surface_notify_committed (surface);
|
||
}
|
||
|
||
static void
|
||
gdk_wayland_gl_context_class_init (GdkWaylandGLContextClass *klass)
|
||
{
|
||
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
||
GdkDrawContextClass *draw_context_class = GDK_DRAW_CONTEXT_CLASS (klass);
|
||
GdkGLContextClass *context_class = GDK_GL_CONTEXT_CLASS (klass);
|
||
|
||
gobject_class->dispose = gdk_wayland_gl_context_dispose;
|
||
|
||
draw_context_class->begin_frame = gdk_wayland_gl_context_begin_frame;
|
||
draw_context_class->end_frame = gdk_wayland_gl_context_end_frame;
|
||
|
||
context_class->realize = gdk_wayland_gl_context_realize;
|
||
context_class->make_current = gdk_wayland_gl_context_make_current;
|
||
context_class->clear_current = gdk_wayland_gl_context_clear_current;
|
||
context_class->get_damage = gdk_wayland_gl_context_get_damage;
|
||
}
|
||
|
||
static void
|
||
gdk_wayland_gl_context_init (GdkWaylandGLContext *self)
|
||
{
|
||
}
|
||
|
||
/**
|
||
* gdk_wayland_display_get_egl_display:
|
||
* @display: (type GdkWaylandDisplay): a Wayland display
|
||
*
|
||
* Retrieves the EGL display connection object for the given GDK display.
|
||
*
|
||
* Returns: (nullable): the EGL display
|
||
*
|
||
* Since: 4.4
|
||
*/
|
||
gpointer
|
||
gdk_wayland_display_get_egl_display (GdkDisplay *display)
|
||
{
|
||
GdkWaylandDisplay *display_wayland;
|
||
|
||
g_return_val_if_fail (GDK_IS_WAYLAND_DISPLAY (display), NULL);
|
||
|
||
if (!gdk_display_prepare_gl (display, NULL))
|
||
return NULL;
|
||
|
||
display_wayland = GDK_WAYLAND_DISPLAY (display);
|
||
|
||
return display_wayland->egl_display;
|
||
}
|
||
|
||
static EGLDisplay
|
||
get_egl_display (GdkWaylandDisplay *display_wayland)
|
||
{
|
||
EGLDisplay dpy = NULL;
|
||
|
||
if (epoxy_has_egl_extension (NULL, "EGL_KHR_platform_base"))
|
||
{
|
||
PFNEGLGETPLATFORMDISPLAYPROC getPlatformDisplay =
|
||
(void *) eglGetProcAddress ("eglGetPlatformDisplay");
|
||
|
||
if (getPlatformDisplay != NULL)
|
||
dpy = getPlatformDisplay (EGL_PLATFORM_WAYLAND_EXT,
|
||
display_wayland->wl_display,
|
||
NULL);
|
||
if (dpy != NULL)
|
||
goto out;
|
||
}
|
||
|
||
if (epoxy_has_egl_extension (NULL, "EGL_EXT_platform_base"))
|
||
{
|
||
PFNEGLGETPLATFORMDISPLAYEXTPROC getPlatformDisplay =
|
||
(void *) eglGetProcAddress ("eglGetPlatformDisplayEXT");
|
||
|
||
if (getPlatformDisplay != NULL)
|
||
dpy = getPlatformDisplay (EGL_PLATFORM_WAYLAND_EXT,
|
||
display_wayland->wl_display,
|
||
NULL);
|
||
if (dpy != NULL)
|
||
goto out;
|
||
}
|
||
|
||
dpy = eglGetDisplay ((EGLNativeDisplayType) display_wayland->wl_display);
|
||
|
||
out:
|
||
return dpy;
|
||
}
|
||
|
||
#define MAX_EGL_ATTRS 30
|
||
|
||
static EGLConfig
|
||
get_eglconfig (EGLDisplay dpy)
|
||
{
|
||
EGLint attrs[MAX_EGL_ATTRS];
|
||
EGLint count;
|
||
EGLConfig config;
|
||
int i = 0;
|
||
|
||
attrs[i++] = EGL_SURFACE_TYPE;
|
||
attrs[i++] = EGL_WINDOW_BIT;
|
||
|
||
attrs[i++] = EGL_COLOR_BUFFER_TYPE;
|
||
attrs[i++] = EGL_RGB_BUFFER;
|
||
|
||
attrs[i++] = EGL_RED_SIZE;
|
||
attrs[i++] = 8;
|
||
attrs[i++] = EGL_GREEN_SIZE;
|
||
attrs[i++] = 8;
|
||
attrs[i++] = EGL_BLUE_SIZE;
|
||
attrs[i++] = 8;
|
||
attrs[i++] = EGL_ALPHA_SIZE;
|
||
attrs[i++] = 8;
|
||
|
||
attrs[i++] = EGL_NONE;
|
||
g_assert (i < MAX_EGL_ATTRS);
|
||
|
||
/* Pick first valid configuration i guess? */
|
||
if (!eglChooseConfig (dpy, attrs, &config, 1, &count) || count < 1)
|
||
return NULL;
|
||
|
||
return config;
|
||
}
|
||
|
||
#undef MAX_EGL_ATTRS
|
||
|
||
GdkGLContext *
|
||
gdk_wayland_display_init_gl (GdkDisplay *display,
|
||
GError **error)
|
||
{
|
||
GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (display);
|
||
EGLint major, minor;
|
||
EGLDisplay dpy;
|
||
GdkGLContext *ctx;
|
||
G_GNUC_UNUSED gint64 start_time = GDK_PROFILER_CURRENT_TIME;
|
||
G_GNUC_UNUSED gint64 start_time2;
|
||
|
||
if (!epoxy_has_egl ())
|
||
{
|
||
gboolean sandboxed = gdk_running_in_sandbox ();
|
||
|
||
g_set_error_literal (error, GDK_GL_ERROR,
|
||
GDK_GL_ERROR_NOT_AVAILABLE,
|
||
sandboxed ? _("libEGL not available in this sandbox")
|
||
: _("libEGL not available"));
|
||
return NULL;
|
||
}
|
||
|
||
start_time2 = GDK_PROFILER_CURRENT_TIME;
|
||
dpy = get_egl_display (display_wayland);
|
||
gdk_profiler_end_mark (start_time, "get_egl_display", NULL);
|
||
if (dpy == NULL)
|
||
{
|
||
gboolean sandboxed = gdk_running_in_sandbox ();
|
||
|
||
g_set_error_literal (error, GDK_GL_ERROR,
|
||
GDK_GL_ERROR_NOT_AVAILABLE,
|
||
sandboxed ? _("Sandbox does not provide an OpenGL implementation")
|
||
: _("No OpenGL implementation available"));
|
||
return NULL;
|
||
}
|
||
|
||
start_time2 = GDK_PROFILER_CURRENT_TIME;
|
||
if (!eglInitialize (dpy, &major, &minor))
|
||
{
|
||
g_set_error_literal (error, GDK_GL_ERROR,
|
||
GDK_GL_ERROR_NOT_AVAILABLE,
|
||
_("Could not initialize EGL display"));
|
||
return NULL;
|
||
}
|
||
gdk_profiler_end_mark (start_time2, "eglInitialize", NULL);
|
||
|
||
if (major < GDK_EGL_MIN_VERSION_MAJOR ||
|
||
(major == GDK_EGL_MIN_VERSION_MAJOR && minor < GDK_EGL_MIN_VERSION_MINOR))
|
||
{
|
||
eglTerminate (dpy);
|
||
g_set_error (error, GDK_GL_ERROR,
|
||
GDK_GL_ERROR_NOT_AVAILABLE,
|
||
_("EGL version %d.%d is too old. GTK requires %d.%d"),
|
||
major, minor, GDK_EGL_MIN_VERSION_MAJOR, GDK_EGL_MIN_VERSION_MINOR);
|
||
return NULL;
|
||
}
|
||
|
||
start_time2 = GDK_PROFILER_CURRENT_TIME;
|
||
if (!eglBindAPI (EGL_OPENGL_API))
|
||
{
|
||
eglTerminate (dpy);
|
||
g_set_error_literal (error, GDK_GL_ERROR,
|
||
GDK_GL_ERROR_NOT_AVAILABLE,
|
||
_("No GL implementation is available"));
|
||
return NULL;
|
||
}
|
||
gdk_profiler_end_mark (start_time2, "eglBindAPI", NULL);
|
||
|
||
if (!epoxy_has_egl_extension (dpy, "EGL_KHR_create_context"))
|
||
{
|
||
eglTerminate (dpy);
|
||
g_set_error_literal (error, GDK_GL_ERROR,
|
||
GDK_GL_ERROR_UNSUPPORTED_PROFILE,
|
||
_("Core GL is not available on EGL implementation"));
|
||
return NULL;
|
||
}
|
||
|
||
if (!epoxy_has_egl_extension (dpy, "EGL_KHR_surfaceless_context"))
|
||
{
|
||
eglTerminate (dpy);
|
||
g_set_error_literal (error, GDK_GL_ERROR,
|
||
GDK_GL_ERROR_UNSUPPORTED_PROFILE,
|
||
_("Surfaceless contexts are not supported on this EGL implementation"));
|
||
return NULL;
|
||
}
|
||
|
||
start_time2 = GDK_PROFILER_CURRENT_TIME;
|
||
display_wayland->egl_config = get_eglconfig (dpy);
|
||
gdk_profiler_end_mark (start_time2, "get_eglconfig", NULL);
|
||
if (!display_wayland->egl_config)
|
||
{
|
||
eglTerminate (dpy);
|
||
g_set_error_literal (error, GDK_GL_ERROR,
|
||
GDK_GL_ERROR_UNSUPPORTED_FORMAT,
|
||
_("No available configurations for the given pixel format"));
|
||
return NULL;
|
||
}
|
||
|
||
display_wayland->egl_display = dpy;
|
||
display_wayland->egl_major_version = major;
|
||
display_wayland->egl_minor_version = minor;
|
||
|
||
display_wayland->have_egl_buffer_age =
|
||
epoxy_has_egl_extension (dpy, "EGL_EXT_buffer_age");
|
||
|
||
display_wayland->have_egl_swap_buffers_with_damage =
|
||
epoxy_has_egl_extension (dpy, "EGL_EXT_swap_buffers_with_damage");
|
||
|
||
GDK_DISPLAY_NOTE (display, OPENGL,
|
||
g_message ("EGL API version %d.%d found\n"
|
||
" - Vendor: %s\n"
|
||
" - Version: %s\n"
|
||
" - Client APIs: %s\n"
|
||
" - Extensions:\n"
|
||
"\t%s",
|
||
display_wayland->egl_major_version,
|
||
display_wayland->egl_minor_version,
|
||
eglQueryString (dpy, EGL_VENDOR),
|
||
eglQueryString (dpy, EGL_VERSION),
|
||
eglQueryString (dpy, EGL_CLIENT_APIS),
|
||
eglQueryString (dpy, EGL_EXTENSIONS)));
|
||
|
||
ctx = g_object_new (GDK_TYPE_WAYLAND_GL_CONTEXT,
|
||
"display", display,
|
||
NULL);
|
||
|
||
gdk_profiler_end_mark (start_time, "init Wayland GL", NULL);
|
||
|
||
return ctx;
|
||
}
|
||
|
||
static void
|
||
gdk_wayland_gl_context_dispose (GObject *gobject)
|
||
{
|
||
GdkWaylandGLContext *context_wayland = GDK_WAYLAND_GL_CONTEXT (gobject);
|
||
|
||
if (context_wayland->egl_context != NULL)
|
||
{
|
||
GdkGLContext *context = GDK_GL_CONTEXT (gobject);
|
||
GdkSurface *surface = gdk_gl_context_get_surface (context);
|
||
GdkDisplay *display = gdk_surface_get_display (surface);
|
||
GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (display);
|
||
|
||
if (eglGetCurrentContext () == context_wayland->egl_context)
|
||
eglMakeCurrent(display_wayland->egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE,
|
||
EGL_NO_CONTEXT);
|
||
|
||
GDK_DISPLAY_NOTE (display, OPENGL, g_message ("Destroying EGL context"));
|
||
|
||
eglDestroyContext (display_wayland->egl_display,
|
||
context_wayland->egl_context);
|
||
context_wayland->egl_context = NULL;
|
||
}
|
||
|
||
G_OBJECT_CLASS (gdk_wayland_gl_context_parent_class)->dispose (gobject);
|
||
}
|
||
|