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16a6aef5a7
mutter/src/backends/native/meta-renderer-native.c
Jonas Ådahl 16a6aef5a7 backends/native: Move KMS fd management to monitor manager 
Move finding, opening and managment of the KMS file descriptor to
MetaMonitorManagerKms. This means that the monitor manager creation can
now fail, both if more than one GPU with connectors is discovered, or
if finding or opening the primary GPU fails.

https://bugzilla.gnome.org/show_bug.cgi?id=785381
2017-10-05 16:18:43 -04:00

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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2011 Intel Corporation.
* Copyright (C) 2016 Red Hat
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Authors:
* Rob Bradford <rob@linux.intel.com> (from cogl-winsys-egl-kms.c)
* Kristian Høgsberg (from eglkms.c)
* Benjamin Franzke (from eglkms.c)
* Robert Bragg <robert@linux.intel.com> (from cogl-winsys-egl-kms.c)
* Neil Roberts <neil@linux.intel.com> (from cogl-winsys-egl-kms.c)
* Jonas Ådahl <jadahl@redhat.com>
*
*/
#include "config.h"
#include <errno.h>
#include <fcntl.h>
#include <gbm.h>
#include <gio/gio.h>
#include <glib-object.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <unistd.h>
#include <xf86drm.h>
#include "backends/meta-backend-private.h"
#include "backends/meta-crtc.h"
#include "backends/meta-egl.h"
#include "backends/meta-egl-ext.h"
#include "backends/meta-logical-monitor.h"
#include "backends/meta-output.h"
#include "backends/meta-renderer-view.h"
#include "backends/native/meta-monitor-manager-kms.h"
#include "backends/native/meta-renderer-native.h"
#include "cogl/cogl.h"
#include "core/boxes-private.h"
#ifndef EGL_DRM_MASTER_FD_EXT
#define EGL_DRM_MASTER_FD_EXT 0x333C
#endif
enum
{
PROP_0,
PROP_MONITOR_MANAGER,
PROP_LAST
};
static GParamSpec *obj_props[PROP_LAST];
typedef struct _MetaOnscreenNative
{
struct {
struct gbm_surface *surface;
uint32_t current_fb_id;
uint32_t next_fb_id;
struct gbm_bo *current_bo;
struct gbm_bo *next_bo;
} gbm;
#ifdef HAVE_EGL_DEVICE
struct {
EGLStreamKHR stream;
struct {
uint32_t fb_id;
uint32_t handle;
void *map;
uint64_t map_size;
} dumb_fb;
} egl;
#endif
gboolean pending_queue_swap_notify;
gboolean pending_swap_notify;
gboolean pending_set_crtc;
int64_t pending_queue_swap_notify_frame_count;
int64_t pending_swap_notify_frame_count;
MetaRendererView *view;
int pending_flips;
} MetaOnscreenNative;
struct _MetaRendererNative
{
MetaRenderer parent;
MetaMonitorManagerKms *monitor_manager_kms;
MetaRendererNativeMode mode;
EGLDisplay egl_display;
struct {
struct gbm_device *device;
} gbm;
#ifdef HAVE_EGL_DEVICE
struct {
EGLDeviceEXT device;
gboolean no_egl_output_drm_flip_event;
} egl;
#endif
CoglClosure *swap_notify_idle;
int64_t frame_counter;
gboolean pending_unset_disabled_crtcs;
gboolean no_add_fb2;
};
static void
initable_iface_init (GInitableIface *initable_iface);
G_DEFINE_TYPE_WITH_CODE (MetaRendererNative,
meta_renderer_native,
META_TYPE_RENDERER,
G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
initable_iface_init))
static const CoglWinsysEGLVtable _cogl_winsys_egl_vtable;
static const CoglWinsysVtable *parent_vtable;
static void
meta_renderer_native_disconnect (CoglRenderer *cogl_renderer)
{
CoglRendererEGL *egl_renderer = cogl_renderer->winsys;
if (egl_renderer->edpy != EGL_NO_DISPLAY)
eglTerminate (egl_renderer->edpy);
g_slice_free (CoglRendererEGL, egl_renderer);
}
static void
flush_pending_swap_notify (CoglFramebuffer *framebuffer)
{
if (framebuffer->type == COGL_FRAMEBUFFER_TYPE_ONSCREEN)
{
CoglOnscreen *onscreen = COGL_ONSCREEN (framebuffer);
CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
MetaOnscreenNative *onscreen_native = egl_onscreen->platform;
if (onscreen_native->pending_swap_notify)
{
CoglFrameInfo *info;
while ((info = g_queue_peek_head (&onscreen->pending_frame_infos)) &&
info->global_frame_counter <= onscreen_native->pending_swap_notify_frame_count)
{
_cogl_onscreen_notify_frame_sync (onscreen, info);
_cogl_onscreen_notify_complete (onscreen, info);
cogl_object_unref (info);
g_queue_pop_head (&onscreen->pending_frame_infos);
}
onscreen_native->pending_swap_notify = FALSE;
cogl_object_unref (onscreen);
}
}
}
static void
flush_pending_swap_notify_idle (void *user_data)
{
CoglContext *cogl_context = user_data;
CoglRendererEGL *egl_renderer = cogl_context->display->renderer->winsys;
MetaRendererNative *renderer_native = egl_renderer->platform;
GList *l;
/* This needs to be disconnected before invoking the callbacks in
* case the callbacks cause it to be queued again */
_cogl_closure_disconnect (renderer_native->swap_notify_idle);
renderer_native->swap_notify_idle = NULL;
l = cogl_context->framebuffers;
while (l)
{
GList *next = l->next;
CoglFramebuffer *framebuffer = l->data;
flush_pending_swap_notify (framebuffer);
l = next;
}
}
static void
free_current_bo (CoglOnscreen *onscreen)
{
CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
MetaOnscreenNative *onscreen_native = egl_onscreen->platform;
CoglContext *cogl_context = COGL_FRAMEBUFFER (onscreen)->context;
CoglRenderer *cogl_renderer = cogl_context->display->renderer;
CoglRendererEGL *egl_renderer = cogl_renderer->winsys;
MetaRendererNative *renderer_native = egl_renderer->platform;
MetaMonitorManagerKms *monitor_manager_kms =
renderer_native->monitor_manager_kms;
int kms_fd;
kms_fd = meta_monitor_manager_kms_get_fd (monitor_manager_kms);
if (onscreen_native->gbm.current_fb_id)
{
drmModeRmFB (kms_fd, onscreen_native->gbm.current_fb_id);
onscreen_native->gbm.current_fb_id = 0;
}
if (onscreen_native->gbm.current_bo)
{
gbm_surface_release_buffer (onscreen_native->gbm.surface,
onscreen_native->gbm.current_bo);
onscreen_native->gbm.current_bo = NULL;
}
}
static void
meta_onscreen_native_queue_swap_notify (CoglOnscreen *onscreen)
{
CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
MetaOnscreenNative *onscreen_native = egl_onscreen->platform;
MetaBackend *backend = meta_get_backend ();
ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
CoglContext *cogl_context =
clutter_backend_get_cogl_context (clutter_backend);
CoglRenderer *cogl_renderer = cogl_context->display->renderer;
CoglRendererEGL *egl_renderer = cogl_renderer->winsys;
MetaRendererNative *renderer_native = egl_renderer->platform;
onscreen_native->pending_swap_notify_frame_count =
onscreen_native->pending_queue_swap_notify_frame_count;
if (onscreen_native->pending_swap_notify)
return;
/* We only want to notify that the swap is complete when the
* application calls cogl_context_dispatch so instead of
* immediately notifying we queue an idle callback */
if (!renderer_native->swap_notify_idle)
{
renderer_native->swap_notify_idle =
_cogl_poll_renderer_add_idle (cogl_renderer,
flush_pending_swap_notify_idle,
cogl_context,
NULL);
}
/*
* The framebuffer will have its own referenc while the swap notify is
* pending. Otherwise when destroying the view would drop the pending
* notification with if the destruction happens before the idle callback
* is invoked.
*/
cogl_object_ref (onscreen);
onscreen_native->pending_swap_notify = TRUE;
}
static gboolean
meta_renderer_native_connect (CoglRenderer *cogl_renderer,
GError **error)
{
MetaBackend *backend = meta_get_backend ();
MetaRenderer *renderer = meta_backend_get_renderer (backend);
MetaRendererNative *renderer_native = META_RENDERER_NATIVE (renderer);
CoglRendererEGL *egl_renderer;
cogl_renderer->winsys = g_slice_new0 (CoglRendererEGL);
egl_renderer = cogl_renderer->winsys;
egl_renderer->platform_vtable = &_cogl_winsys_egl_vtable;
egl_renderer->platform = renderer_native;
egl_renderer->edpy = renderer_native->egl_display;
if (!_cogl_winsys_egl_renderer_connect_common (cogl_renderer, error))
goto fail;
return TRUE;
fail:
meta_renderer_native_disconnect (cogl_renderer);
return FALSE;
}
static int
meta_renderer_native_add_egl_config_attributes (CoglDisplay *cogl_display,
CoglFramebufferConfig *config,
EGLint *attributes)
{
CoglRendererEGL *egl_renderer = cogl_display->renderer->winsys;
MetaRendererNative *renderer_native = egl_renderer->platform;
int i = 0;
switch (renderer_native->mode)
{
case META_RENDERER_NATIVE_MODE_GBM:
attributes[i++] = EGL_SURFACE_TYPE;
attributes[i++] = EGL_WINDOW_BIT;
break;
#ifdef HAVE_EGL_DEVICE
case META_RENDERER_NATIVE_MODE_EGL_DEVICE:
attributes[i++] = EGL_SURFACE_TYPE;
attributes[i++] = EGL_STREAM_BIT_KHR;
break;
#endif
}
return i;
}
static gboolean
meta_renderer_native_setup_egl_display (CoglDisplay *cogl_display,
GError **error)
{
CoglDisplayEGL *egl_display = cogl_display->winsys;
CoglRendererEGL *egl_renderer = cogl_display->renderer->winsys;
MetaRendererNative *renderer_native = egl_renderer->platform;
egl_display->platform = renderer_native;
/* Force a full modeset / drmModeSetCrtc on
* the first swap buffers call.
*/
meta_renderer_native_queue_modes_reset (renderer_native);
return TRUE;
}
static void
meta_renderer_native_destroy_egl_display (CoglDisplay *cogl_display)
{
}
static EGLSurface
create_dummy_pbuffer_surface (EGLDisplay egl_display,
GError **error)
{
MetaBackend *backend = meta_get_backend ();
MetaEgl *egl = meta_backend_get_egl (backend);
EGLConfig pbuffer_config;
static const EGLint pbuffer_config_attribs[] = {
EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
EGL_RED_SIZE, 1,
EGL_GREEN_SIZE, 1,
EGL_BLUE_SIZE, 1,
EGL_ALPHA_SIZE, 0,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_NONE
};
static const EGLint pbuffer_attribs[] = {
EGL_WIDTH, 16,
EGL_HEIGHT, 16,
EGL_NONE
};
if (!meta_egl_choose_config (egl, egl_display, pbuffer_config_attribs,
&pbuffer_config, error))
return EGL_NO_SURFACE;
return meta_egl_create_pbuffer_surface (egl, egl_display,
pbuffer_config, pbuffer_attribs,
error);
}
static gboolean
meta_renderer_native_egl_context_created (CoglDisplay *cogl_display,
GError **error)
{
CoglDisplayEGL *egl_display = cogl_display->winsys;
CoglRenderer *cogl_renderer = cogl_display->renderer;
CoglRendererEGL *egl_renderer = cogl_renderer->winsys;
if ((egl_renderer->private_features &
COGL_EGL_WINSYS_FEATURE_SURFACELESS_CONTEXT) == 0)
{
egl_display->dummy_surface =
create_dummy_pbuffer_surface (egl_renderer->edpy, error);
if (egl_display->dummy_surface == EGL_NO_SURFACE)
return FALSE;
}
if (!_cogl_winsys_egl_make_current (cogl_display,
egl_display->dummy_surface,
egl_display->dummy_surface,
egl_display->egl_context))
{
_cogl_set_error (error, COGL_WINSYS_ERROR,
COGL_WINSYS_ERROR_CREATE_CONTEXT,
"Failed to make context current");
return FALSE;
}
return TRUE;
}
static void
meta_renderer_native_egl_cleanup_context (CoglDisplay *cogl_display)
{
CoglDisplayEGL *egl_display = cogl_display->winsys;
CoglRenderer *cogl_renderer = cogl_display->renderer;
CoglRendererEGL *egl_renderer = cogl_renderer->winsys;
if (egl_display->dummy_surface != EGL_NO_SURFACE)
{
eglDestroySurface (egl_renderer->edpy, egl_display->dummy_surface);
egl_display->dummy_surface = EGL_NO_SURFACE;
}
}
static void
meta_onscreen_native_swap_drm_fb (CoglOnscreen *onscreen)
{
CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
MetaOnscreenNative *onscreen_native = egl_onscreen->platform;
free_current_bo (onscreen);
onscreen_native->gbm.current_fb_id = onscreen_native->gbm.next_fb_id;
onscreen_native->gbm.next_fb_id = 0;
onscreen_native->gbm.current_bo = onscreen_native->gbm.next_bo;
onscreen_native->gbm.next_bo = NULL;
}
static void
on_crtc_flipped (GClosure *closure,
MetaRendererView *view)
{
ClutterStageView *stage_view = CLUTTER_STAGE_VIEW (view);
CoglFramebuffer *framebuffer =
clutter_stage_view_get_onscreen (stage_view);
CoglOnscreen *onscreen = COGL_ONSCREEN (framebuffer);
CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
MetaOnscreenNative *onscreen_native = egl_onscreen->platform;
MetaBackend *backend = meta_get_backend ();
MetaRenderer *renderer = meta_backend_get_renderer (backend);
MetaRendererNative *renderer_native = META_RENDERER_NATIVE (renderer);
onscreen_native->pending_flips--;
if (onscreen_native->pending_flips == 0)
{
onscreen_native->pending_queue_swap_notify = FALSE;
meta_onscreen_native_queue_swap_notify (onscreen);
switch (renderer_native->mode)
{
case META_RENDERER_NATIVE_MODE_GBM:
meta_onscreen_native_swap_drm_fb (onscreen);
break;
#ifdef HAVE_EGL_DEVICE
case META_RENDERER_NATIVE_MODE_EGL_DEVICE:
break;
#endif
}
}
}
static void
flip_closure_destroyed (MetaRendererView *view)
{
ClutterStageView *stage_view = CLUTTER_STAGE_VIEW (view);
CoglFramebuffer *framebuffer =
clutter_stage_view_get_onscreen (stage_view);
CoglOnscreen *onscreen = COGL_ONSCREEN (framebuffer);
CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
MetaOnscreenNative *onscreen_native = egl_onscreen->platform;
MetaBackend *backend = meta_get_backend ();
MetaRenderer *renderer = meta_backend_get_renderer (backend);
MetaRendererNative *renderer_native = META_RENDERER_NATIVE (renderer);
switch (renderer_native->mode)
{
case META_RENDERER_NATIVE_MODE_GBM:
if (onscreen_native->gbm.next_fb_id)
{
MetaMonitorManagerKms *monitor_manager_kms =
renderer_native->monitor_manager_kms;
int kms_fd;
kms_fd = meta_monitor_manager_kms_get_fd (monitor_manager_kms);
drmModeRmFB (kms_fd, onscreen_native->gbm.next_fb_id);
gbm_surface_release_buffer (onscreen_native->gbm.surface,
onscreen_native->gbm.next_bo);
onscreen_native->gbm.next_bo = NULL;
onscreen_native->gbm.next_fb_id = 0;
}
break;
#ifdef HAVE_EGL_DEVICE
case META_RENDERER_NATIVE_MODE_EGL_DEVICE:
break;
#endif
}
if (onscreen_native->pending_queue_swap_notify)
{
meta_onscreen_native_queue_swap_notify (onscreen);
onscreen_native->pending_queue_swap_notify = FALSE;
}
g_object_unref (view);
}
#ifdef HAVE_EGL_DEVICE
static gboolean
flip_egl_stream (MetaRendererNative *renderer_native,
MetaOnscreenNative *onscreen_native,
GClosure *flip_closure)
{
MetaBackend *backend = meta_get_backend ();
MetaEgl *egl = meta_backend_get_egl (backend);
ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
CoglContext *cogl_context =
clutter_backend_get_cogl_context (clutter_backend);
CoglDisplay *cogl_display = cogl_context->display;
CoglRendererEGL *egl_renderer = cogl_display->renderer->winsys;
EGLAttrib *acquire_attribs;
GError *error = NULL;
if (renderer_native->egl.no_egl_output_drm_flip_event)
return FALSE;
acquire_attribs = (EGLAttrib[]) {
EGL_DRM_FLIP_EVENT_DATA_NV,
(EGLAttrib) flip_closure,
EGL_NONE
};
if (!meta_egl_stream_consumer_acquire_attrib (egl,
egl_renderer->edpy,
onscreen_native->egl.stream,
acquire_attribs,
&error))
{
if (error->domain != META_EGL_ERROR ||
error->code != EGL_RESOURCE_BUSY_EXT)
{
g_warning ("Failed to flip EGL stream (%s), relying on clock from "
"now on", error->message);
renderer_native->egl.no_egl_output_drm_flip_event = TRUE;
}
g_error_free (error);
return FALSE;
}
g_closure_ref (flip_closure);
return TRUE;
}
#endif /* HAVE_EGL_DEVICE */
static void
meta_onscreen_native_flip_crtc (MetaOnscreenNative *onscreen_native,
GClosure *flip_closure,
MetaCrtc *crtc,
int x,
int y,
gboolean *fb_in_use)
{
MetaBackend *backend = meta_get_backend ();
MetaRenderer *renderer = meta_backend_get_renderer (backend);
MetaRendererNative *renderer_native = META_RENDERER_NATIVE (renderer);
MetaMonitorManagerKms *monitor_manager_kms =
renderer_native->monitor_manager_kms;
if (!meta_monitor_manager_kms_is_crtc_active (monitor_manager_kms,
crtc))
{
*fb_in_use = FALSE;
return;
}
switch (renderer_native->mode)
{
case META_RENDERER_NATIVE_MODE_GBM:
if (meta_monitor_manager_kms_flip_crtc (monitor_manager_kms,
crtc,
x, y,
onscreen_native->gbm.next_fb_id,
flip_closure,
fb_in_use))
onscreen_native->pending_flips++;
break;
#ifdef HAVE_EGL_DEVICE
case META_RENDERER_NATIVE_MODE_EGL_DEVICE:
if (flip_egl_stream (renderer_native,
onscreen_native,
flip_closure))
onscreen_native->pending_flips++;
*fb_in_use = TRUE;
break;
#endif
}
}
typedef struct _SetCrtcFbData
{
MetaMonitorManagerKms *monitor_manager_kms;
MetaLogicalMonitor *logical_monitor;
uint32_t fb_id;
} SetCrtcFbData;
static void
set_crtc_fb (MetaLogicalMonitor *logical_monitor,
MetaCrtc *crtc,
gpointer user_data)
{
SetCrtcFbData *data = user_data;
MetaMonitorManagerKms *monitor_manager_kms = data->monitor_manager_kms;
int x, y;
x = crtc->rect.x - logical_monitor->rect.x;
y = crtc->rect.y - logical_monitor->rect.y;
meta_monitor_manager_kms_apply_crtc_mode (monitor_manager_kms,
crtc,
x, y,
data->fb_id);
}
static void
meta_onscreen_native_set_crtc_modes (MetaOnscreenNative *onscreen_native)
{
MetaBackend *backend = meta_get_backend ();
MetaRenderer *renderer = meta_backend_get_renderer (backend);
MetaRendererNative *renderer_native = META_RENDERER_NATIVE (renderer);
MetaMonitorManagerKms *monitor_manager_kms =
renderer_native->monitor_manager_kms;
MetaRendererView *view = onscreen_native->view;
uint32_t fb_id = 0;
MetaLogicalMonitor *logical_monitor;
switch (renderer_native->mode)
{
case META_RENDERER_NATIVE_MODE_GBM:
fb_id = onscreen_native->gbm.next_fb_id;
break;
#ifdef HAVE_EGL_DEVICE
case META_RENDERER_NATIVE_MODE_EGL_DEVICE:
fb_id = onscreen_native->egl.dumb_fb.fb_id;
break;
#endif
}
g_assert (fb_id != 0);
logical_monitor = meta_renderer_view_get_logical_monitor (view);
if (logical_monitor)
{
SetCrtcFbData data = {
.monitor_manager_kms = monitor_manager_kms,
.fb_id = fb_id
};
meta_logical_monitor_foreach_crtc (logical_monitor,
set_crtc_fb,
&data);
}
else
{
MetaMonitorManager *monitor_manager =
META_MONITOR_MANAGER (monitor_manager_kms);
GList *crtcs;
GList *l;
crtcs = meta_monitor_manager_get_crtcs (monitor_manager);
for (l = crtcs; l; l = l->next)
{
MetaCrtc *crtc = l->data;
meta_monitor_manager_kms_apply_crtc_mode (monitor_manager_kms,
crtc,
crtc->rect.x, crtc->rect.y,
fb_id);
}
}
}
typedef struct _FlipCrtcData
{
MetaOnscreenNative *onscreen_native;
GClosure *flip_closure;
gboolean out_fb_in_use;
} FlipCrtcData;
static void
flip_crtc (MetaLogicalMonitor *logical_monitor,
MetaCrtc *crtc,
gpointer user_data)
{
FlipCrtcData *data = user_data;
int x, y;
x = crtc->rect.x - logical_monitor->rect.x;
y = crtc->rect.y - logical_monitor->rect.y;
meta_onscreen_native_flip_crtc (data->onscreen_native,
data->flip_closure,
crtc, x, y,
&data->out_fb_in_use);
}
static void
meta_onscreen_native_flip_crtcs (CoglOnscreen *onscreen)
{
CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
MetaOnscreenNative *onscreen_native = egl_onscreen->platform;
MetaRendererView *view = onscreen_native->view;
CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
CoglContext *cogl_context = framebuffer->context;
CoglDisplay *cogl_display = cogl_context->display;
CoglRenderer *cogl_renderer = cogl_display->renderer;
CoglRendererEGL *egl_renderer = cogl_renderer->winsys;
MetaRendererNative *renderer_native = egl_renderer->platform;
GClosure *flip_closure;
MetaLogicalMonitor *logical_monitor;
gboolean fb_in_use = FALSE;
/*
* Create a closure that either will be invoked or destructed.
* Invoking the closure represents a completed flip. If the closure
* is destructed before being invoked, the framebuffer references will be
* cleaned up accordingly.
*
* Each successful flip will each own one reference to the closure, thus keep
* it alive until either invoked or destructed. If flipping failed, the
* closure will be destructed before this function goes out of scope.
*/
flip_closure = g_cclosure_new (G_CALLBACK (on_crtc_flipped),
g_object_ref (view),
(GClosureNotify) flip_closure_destroyed);
g_closure_set_marshal (flip_closure, g_cclosure_marshal_VOID__VOID);
/* Either flip the CRTC's of the monitor info, if we are drawing just part
* of the stage, or all of the CRTC's if we are drawing the whole stage.
*/
logical_monitor = meta_renderer_view_get_logical_monitor (view);
if (logical_monitor)
{
FlipCrtcData data = {
.onscreen_native = onscreen_native,
.flip_closure = flip_closure,
};
meta_logical_monitor_foreach_crtc (logical_monitor,
flip_crtc,
&data);
fb_in_use = data.out_fb_in_use;
}
else
{
MetaMonitorManager *monitor_manager =
META_MONITOR_MANAGER (renderer_native->monitor_manager_kms);
GList *crtcs;
GList *l;
crtcs = meta_monitor_manager_get_crtcs (monitor_manager);
for (l = crtcs; l; l = l->next)
{
MetaCrtc *crtc = l->data;
meta_onscreen_native_flip_crtc (onscreen_native, flip_closure,
crtc, crtc->rect.x, crtc->rect.y,
&fb_in_use);
}
}
/*
* If the framebuffer is in use, but we don't have any pending flips it means
* that flipping is not supported and we set the next framebuffer directly.
* Since we won't receive a flip callback, lets just notify listeners
* directly.
*/
if (fb_in_use && onscreen_native->pending_flips == 0)
{
switch (renderer_native->mode)
{
case META_RENDERER_NATIVE_MODE_GBM:
meta_onscreen_native_swap_drm_fb (onscreen);
break;
#ifdef HAVE_EGL_DEVICE
case META_RENDERER_NATIVE_MODE_EGL_DEVICE:
break;
#endif
}
}
onscreen_native->pending_queue_swap_notify = TRUE;
g_closure_unref (flip_closure);
}
static gboolean
gbm_get_next_fb_id (CoglOnscreen *onscreen,
struct gbm_bo **out_next_bo,
uint32_t *out_next_fb_id)
{
CoglContext *cogl_context = COGL_FRAMEBUFFER (onscreen)->context;
CoglRenderer *cogl_renderer = cogl_context->display->renderer;
CoglRendererEGL *egl_renderer = cogl_renderer->winsys;
MetaRendererNative *renderer_native = egl_renderer->platform;
CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
MetaOnscreenNative *onscreen_native = egl_onscreen->platform;
MetaMonitorManagerKms *monitor_manager_kms =
renderer_native->monitor_manager_kms;
uint32_t handle, stride;
struct gbm_bo *next_bo;
uint32_t next_fb_id;
int kms_fd;
/* Now we need to set the CRTC to whatever is the front buffer */
next_bo = gbm_surface_lock_front_buffer (onscreen_native->gbm.surface);
stride = gbm_bo_get_stride (next_bo);
handle = gbm_bo_get_handle (next_bo).u32;
kms_fd = meta_monitor_manager_kms_get_fd (monitor_manager_kms);
if (drmModeAddFB (kms_fd,
cogl_framebuffer_get_width (COGL_FRAMEBUFFER (onscreen)),
cogl_framebuffer_get_height (COGL_FRAMEBUFFER (onscreen)),
24, /* depth */
32, /* bpp */
stride,
handle,
&next_fb_id))
{
g_warning ("Failed to create new back buffer handle: %m");
gbm_surface_release_buffer (onscreen_native->gbm.surface, next_bo);
return FALSE;
}
*out_next_bo = next_bo;
*out_next_fb_id = next_fb_id;
return TRUE;
}
static void
meta_onscreen_native_swap_buffers_with_damage (CoglOnscreen *onscreen,
const int *rectangles,
int n_rectangles)
{
CoglContext *cogl_context = COGL_FRAMEBUFFER (onscreen)->context;
CoglRenderer *cogl_renderer = cogl_context->display->renderer;
CoglRendererEGL *egl_renderer = cogl_renderer->winsys;
MetaRendererNative *renderer_native = egl_renderer->platform;
CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
MetaOnscreenNative *onscreen_native = egl_onscreen->platform;
MetaMonitorManagerKms *monitor_manager_kms =
renderer_native->monitor_manager_kms;
CoglFrameInfo *frame_info;
frame_info = g_queue_peek_tail (&onscreen->pending_frame_infos);
frame_info->global_frame_counter = renderer_native->frame_counter;
/*
* Wait for the flip callback before continuing, as we might have started the
* animation earlier due to the animation being driven by some other monitor.
*/
while (onscreen_native->pending_flips)
meta_monitor_manager_kms_wait_for_flip (monitor_manager_kms);
parent_vtable->onscreen_swap_buffers_with_damage (onscreen,
rectangles,
n_rectangles);
switch (renderer_native->mode)
{
case META_RENDERER_NATIVE_MODE_GBM:
g_warn_if_fail (onscreen_native->gbm.next_bo == NULL &&
onscreen_native->gbm.next_fb_id == 0);
if (!gbm_get_next_fb_id (onscreen,
&onscreen_native->gbm.next_bo,
&onscreen_native->gbm.next_fb_id))
return;
break;
#ifdef HAVE_EGL_DEVICE
case META_RENDERER_NATIVE_MODE_EGL_DEVICE:
break;
#endif
}
/* If this is the first framebuffer to be presented then we now setup the
* crtc modes, else we flip from the previous buffer */
if (onscreen_native->pending_set_crtc)
{
meta_onscreen_native_set_crtc_modes (onscreen_native);
onscreen_native->pending_set_crtc = FALSE;
}
onscreen_native->pending_queue_swap_notify_frame_count = renderer_native->frame_counter;
meta_onscreen_native_flip_crtcs (onscreen);
}
static gboolean
meta_renderer_native_init_egl_context (CoglContext *cogl_context,
GError **error)
{
#ifdef HAVE_EGL_DEVICE
CoglRenderer *cogl_renderer = cogl_context->display->renderer;
CoglRendererEGL *egl_renderer = cogl_renderer->winsys;
MetaRendererNative *renderer_native = egl_renderer->platform;
#endif
COGL_FLAGS_SET (cogl_context->features,
COGL_FEATURE_ID_SWAP_BUFFERS_EVENT, TRUE);
/* TODO: remove this deprecated feature */
COGL_FLAGS_SET (cogl_context->winsys_features,
COGL_WINSYS_FEATURE_SWAP_BUFFERS_EVENT,
TRUE);
COGL_FLAGS_SET (cogl_context->winsys_features,
COGL_WINSYS_FEATURE_SYNC_AND_COMPLETE_EVENT,
TRUE);
COGL_FLAGS_SET (cogl_context->winsys_features,
COGL_WINSYS_FEATURE_MULTIPLE_ONSCREEN,
TRUE);
#ifdef HAVE_EGL_DEVICE
if (renderer_native->mode == META_RENDERER_NATIVE_MODE_EGL_DEVICE)
COGL_FLAGS_SET (cogl_context->features,
COGL_FEATURE_ID_TEXTURE_EGL_IMAGE_EXTERNAL, TRUE);
#endif
return TRUE;
}
static gboolean
meta_renderer_native_create_surface_gbm (MetaRendererNative *renderer_native,
int width,
int height,
struct gbm_surface **gbm_surface,
EGLSurface *egl_surface,
GError **error)
{
MetaBackend *backend = meta_get_backend ();
ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
CoglContext *cogl_context =
clutter_backend_get_cogl_context (clutter_backend);
CoglDisplay *cogl_display = cogl_context->display;
CoglDisplayEGL *egl_display = cogl_display->winsys;
CoglRendererEGL *egl_renderer = cogl_display->renderer->winsys;
struct gbm_surface *new_gbm_surface;
EGLNativeWindowType egl_native_window;
EGLSurface new_egl_surface;
new_gbm_surface = gbm_surface_create (renderer_native->gbm.device,
width, height,
GBM_FORMAT_XRGB8888,
GBM_BO_USE_SCANOUT |
GBM_BO_USE_RENDERING);
if (!new_gbm_surface)
{
g_set_error (error, COGL_WINSYS_ERROR,
COGL_WINSYS_ERROR_CREATE_ONSCREEN,
"Failed to allocate surface");
return FALSE;
}
egl_native_window = (EGLNativeWindowType) new_gbm_surface;
new_egl_surface = eglCreateWindowSurface (egl_renderer->edpy,
egl_display->egl_config,
egl_native_window,
NULL);
if (new_egl_surface == EGL_NO_SURFACE)
{
gbm_surface_destroy (new_gbm_surface);
g_set_error (error, COGL_WINSYS_ERROR,
COGL_WINSYS_ERROR_CREATE_ONSCREEN,
"Failed to allocate surface");
return FALSE;
}
*gbm_surface = new_gbm_surface;
*egl_surface = new_egl_surface;
return TRUE;
}
#ifdef HAVE_EGL_DEVICE
static gboolean
meta_renderer_native_create_surface_egl_device (MetaRendererNative *renderer_native,
MetaLogicalMonitor *logical_monitor,
int width,
int height,
EGLStreamKHR *out_egl_stream,
EGLSurface *out_egl_surface,
GError **error)
{
MetaBackend *backend = meta_get_backend ();
MetaEgl *egl = meta_backend_get_egl (backend);
ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
CoglContext *cogl_context = clutter_backend_get_cogl_context (clutter_backend);
CoglDisplay *cogl_display = cogl_context_get_display (cogl_context);
CoglDisplayEGL *cogl_egl_display = cogl_display->winsys;
CoglRenderer *cogl_renderer = cogl_display->renderer;
CoglRendererEGL *egl_renderer = cogl_renderer->winsys;
EGLDisplay egl_display = egl_renderer->edpy;
MetaMonitor *monitor;
MetaOutput *output;
EGLConfig egl_config;
EGLStreamKHR egl_stream;
EGLSurface egl_surface;
EGLint num_layers;
EGLOutputLayerEXT output_layer;
EGLAttrib output_attribs[3];
EGLint stream_attribs[] = {
EGL_STREAM_FIFO_LENGTH_KHR, 1,
EGL_CONSUMER_AUTO_ACQUIRE_EXT, EGL_FALSE,
EGL_NONE
};
EGLint stream_producer_attribs[] = {
EGL_WIDTH, width,
EGL_HEIGHT, height,
EGL_NONE
};
egl_stream = meta_egl_create_stream (egl, egl_display, stream_attribs, error);
if (egl_stream == EGL_NO_STREAM_KHR)
return FALSE;
monitor = meta_logical_monitor_get_monitors (logical_monitor)->data;
output = meta_monitor_get_main_output (monitor);
/*
* An "logical_monitor" may have multiple outputs/crtcs in case its tiled,
* but as far as I can tell, EGL only allows you to pass one crtc_id, so
* lets pass the first one.
*/
output_attribs[0] = EGL_DRM_CRTC_EXT;
output_attribs[1] = output->crtc->crtc_id;
output_attribs[2] = EGL_NONE;
if (!meta_egl_get_output_layers (egl, egl_display,
output_attribs,
&output_layer, 1, &num_layers,
error))
{
meta_egl_destroy_stream (egl, egl_display, egl_stream, NULL);
return FALSE;
}
if (num_layers < 1)
{
meta_egl_destroy_stream (egl, egl_display, egl_stream, NULL);
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
"Unable to find output layers.");
return FALSE;
}
if (!meta_egl_stream_consumer_output (egl, egl_display,
egl_stream, output_layer,
error))
{
meta_egl_destroy_stream (egl, egl_display, egl_stream, NULL);
return FALSE;
}
egl_config = cogl_egl_display->egl_config;
egl_surface = meta_egl_create_stream_producer_surface (egl,
egl_display,
egl_config,
egl_stream,
stream_producer_attribs,
error);
if (egl_surface == EGL_NO_SURFACE)
{
meta_egl_destroy_stream (egl, egl_display, egl_stream, NULL);
return FALSE;
}
*out_egl_stream = egl_stream;
*out_egl_surface = egl_surface;
return TRUE;
}
static gboolean
init_dumb_fb (MetaRendererNative *renderer_native,
MetaOnscreenNative *onscreen_native,
int width,
int height,
GError **error)
{
MetaMonitorManagerKms *monitor_manager_kms =
renderer_native->monitor_manager_kms;
struct drm_mode_create_dumb create_arg;
struct drm_mode_destroy_dumb destroy_arg;
struct drm_mode_map_dumb map_arg;
uint32_t fb_id = 0;
void *map;
int kms_fd;
kms_fd = meta_monitor_manager_kms_get_fd (monitor_manager_kms);
create_arg = (struct drm_mode_create_dumb) {
.bpp = 32, /* RGBX8888 */
.width = width,
.height = height
};
if (drmIoctl (kms_fd, DRM_IOCTL_MODE_CREATE_DUMB, &create_arg) != 0)
{
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
"Failed to create dumb drm buffer: %s",
g_strerror (errno));
goto err_ioctl;
}
if (!renderer_native->no_add_fb2)
{
uint32_t handles[4] = { create_arg.handle, };
uint32_t pitches[4] = { create_arg.pitch, };
uint32_t offsets[4] = { 0 };
if (drmModeAddFB2 (kms_fd, width, height,
GBM_FORMAT_XRGB8888,
handles, pitches, offsets,
&fb_id, 0) != 0)
{
g_warning ("drmModeAddFB2 failed (%s), falling back to drmModeAddFB",
g_strerror (errno));
renderer_native->no_add_fb2 = TRUE;
}
}
if (renderer_native->no_add_fb2)
{
if (drmModeAddFB (kms_fd, width, height,
24 /* depth of RGBX8888 */,
32 /* bpp of RGBX8888 */,
create_arg.pitch,
create_arg.handle,
&fb_id) != 0)
{
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
"drmModeAddFB failed: %s",
g_strerror (errno));
goto err_add_fb;
}
}
map_arg = (struct drm_mode_map_dumb) {
.handle = create_arg.handle
};
if (drmIoctl (kms_fd, DRM_IOCTL_MODE_MAP_DUMB,
&map_arg) != 0)
{
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
"Failed to map dumb drm buffer: %s",
g_strerror (errno));
goto err_map_dumb;
}
map = mmap (NULL, create_arg.size, PROT_WRITE, MAP_SHARED,
kms_fd, map_arg.offset);
if (map == MAP_FAILED)
{
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
"Failed to mmap dumb drm buffer memory: %s",
g_strerror (errno));
goto err_mmap;
}
onscreen_native->egl.dumb_fb.fb_id = fb_id;
onscreen_native->egl.dumb_fb.handle = create_arg.handle;
onscreen_native->egl.dumb_fb.map = map;
onscreen_native->egl.dumb_fb.map_size = create_arg.size;
return TRUE;
err_mmap:
err_map_dumb:
drmModeRmFB (kms_fd, fb_id);
err_add_fb:
destroy_arg = (struct drm_mode_destroy_dumb) {
.handle = create_arg.handle
};
drmIoctl (kms_fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_arg);
err_ioctl:
return FALSE;
}
static void
release_dumb_fb (MetaRendererNative *renderer_native,
MetaOnscreenNative *onscreen_native)
{
MetaMonitorManagerKms *monitor_manager_kms =
renderer_native->monitor_manager_kms;
struct drm_mode_destroy_dumb destroy_arg;
int kms_fd;
if (!onscreen_native->egl.dumb_fb.map)
return;
munmap (onscreen_native->egl.dumb_fb.map,
onscreen_native->egl.dumb_fb.map_size);
onscreen_native->egl.dumb_fb.map = NULL;
kms_fd = meta_monitor_manager_kms_get_fd (monitor_manager_kms);
drmModeRmFB (kms_fd, onscreen_native->egl.dumb_fb.fb_id);
destroy_arg = (struct drm_mode_destroy_dumb) {
.handle = onscreen_native->egl.dumb_fb.handle
};
drmIoctl (kms_fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_arg);
}
#endif /* HAVE_EGL_DEVICE */
static gboolean
meta_renderer_native_init_onscreen (CoglOnscreen *onscreen,
GError **error)
{
CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
CoglContext *cogl_context = framebuffer->context;
CoglDisplay *cogl_display = cogl_context->display;
CoglDisplayEGL *egl_display = cogl_display->winsys;
CoglOnscreenEGL *egl_onscreen;
MetaOnscreenNative *onscreen_native;
_COGL_RETURN_VAL_IF_FAIL (egl_display->egl_context, FALSE);
onscreen->winsys = g_slice_new0 (CoglOnscreenEGL);
egl_onscreen = onscreen->winsys;
onscreen_native = g_slice_new0 (MetaOnscreenNative);
egl_onscreen->platform = onscreen_native;
/*
* Don't actually initialize anything here, since we may not have the
* information available yet, and there is no way to pass it at this stage.
* To properly allocate a MetaOnscreenNative, the caller must call
* meta_onscreen_native_allocate() after cogl_framebuffer_allocate().
*
* TODO: Turn CoglFramebuffer/CoglOnscreen into GObjects, so it's possible
* to add backend specific properties.
*/
return TRUE;
}
static gboolean
meta_onscreen_native_allocate (CoglOnscreen *onscreen,
GError **error)
{
CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
CoglContext *cogl_context = framebuffer->context;
CoglDisplay *cogl_display = cogl_context->display;
CoglRenderer *cogl_renderer = cogl_display->renderer;
CoglRendererEGL *egl_renderer = cogl_renderer->winsys;
MetaRendererNative *renderer_native = egl_renderer->platform;
CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
MetaOnscreenNative *onscreen_native = egl_onscreen->platform;
struct gbm_surface *gbm_surface;
EGLSurface egl_surface;
int width;
int height;
#ifdef HAVE_EGL_DEVICE
MetaRendererView *view;
MetaLogicalMonitor *logical_monitor;
EGLStreamKHR egl_stream;
#endif
onscreen_native->pending_set_crtc = TRUE;
/* If a kms_fd is set then the display width and height
* won't be available until meta_renderer_native_set_layout
* is called. In that case, defer creating the surface
* until then.
*/
width = cogl_framebuffer_get_width (framebuffer);
height = cogl_framebuffer_get_height (framebuffer);
if (width == 0 || height == 0)
return TRUE;
switch (renderer_native->mode)
{
case META_RENDERER_NATIVE_MODE_GBM:
if (!meta_renderer_native_create_surface_gbm (renderer_native,
width, height,
&gbm_surface,
&egl_surface,
error))
return FALSE;
onscreen_native->gbm.surface = gbm_surface;
egl_onscreen->egl_surface = egl_surface;
break;
#ifdef HAVE_EGL_DEVICE
case META_RENDERER_NATIVE_MODE_EGL_DEVICE:
if (!init_dumb_fb (renderer_native, onscreen_native,
width, height, error))
return FALSE;
view = onscreen_native->view;
logical_monitor = meta_renderer_view_get_logical_monitor (view);
if (!meta_renderer_native_create_surface_egl_device (renderer_native,
logical_monitor,
width, height,
&egl_stream,
&egl_surface,
error))
return FALSE;
onscreen_native->egl.stream = egl_stream;
egl_onscreen->egl_surface = egl_surface;
break;
#endif /* HAVE_EGL_DEVICE */
}
return TRUE;
}
static void
meta_renderer_native_release_onscreen (CoglOnscreen *onscreen)
{
CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
CoglContext *cogl_context = framebuffer->context;
CoglRenderer *cogl_renderer = cogl_context->display->renderer;
CoglRendererEGL *egl_renderer = cogl_renderer->winsys;
CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
MetaRendererNative *renderer_native = egl_renderer->platform;
MetaOnscreenNative *onscreen_native;
/* If we never successfully allocated then there's nothing to do */
if (egl_onscreen == NULL)
return;
onscreen_native = egl_onscreen->platform;
if (egl_onscreen->egl_surface != EGL_NO_SURFACE)
{
eglDestroySurface (egl_renderer->edpy, egl_onscreen->egl_surface);
egl_onscreen->egl_surface = EGL_NO_SURFACE;
}
switch (renderer_native->mode)
{
case META_RENDERER_NATIVE_MODE_GBM:
/* flip state takes a reference on the onscreen so there should
* never be outstanding flips when we reach here. */
g_return_if_fail (onscreen_native->gbm.next_fb_id == 0);
free_current_bo (onscreen);
if (onscreen_native->gbm.surface)
{
gbm_surface_destroy (onscreen_native->gbm.surface);
onscreen_native->gbm.surface = NULL;
}
break;
#ifdef HAVE_EGL_DEVICE
case META_RENDERER_NATIVE_MODE_EGL_DEVICE:
release_dumb_fb (renderer_native, onscreen_native);
if (onscreen_native->egl.stream != EGL_NO_STREAM_KHR)
{
MetaBackend *backend = meta_get_backend ();
MetaEgl *egl = meta_backend_get_egl (backend);
meta_egl_destroy_stream (egl,
egl_renderer->edpy,
onscreen_native->egl.stream,
NULL);
onscreen_native->egl.stream = EGL_NO_STREAM_KHR;
}
break;
#endif /* HAVE_EGL_DEVICE */
}
g_slice_free (MetaOnscreenNative, onscreen_native);
g_slice_free (CoglOnscreenEGL, onscreen->winsys);
onscreen->winsys = NULL;
}
static const CoglWinsysEGLVtable
_cogl_winsys_egl_vtable = {
.add_config_attributes = meta_renderer_native_add_egl_config_attributes,
.display_setup = meta_renderer_native_setup_egl_display,
.display_destroy = meta_renderer_native_destroy_egl_display,
.context_created = meta_renderer_native_egl_context_created,
.cleanup_context = meta_renderer_native_egl_cleanup_context,
.context_init = meta_renderer_native_init_egl_context
};
MetaRendererNativeMode
meta_renderer_native_get_mode (MetaRendererNative *renderer_native)
{
return renderer_native->mode;
}
struct gbm_device *
meta_renderer_native_get_gbm (MetaRendererNative *renderer_native)
{
return renderer_native->gbm.device;
}
void
meta_renderer_native_queue_modes_reset (MetaRendererNative *renderer_native)
{
MetaRenderer *renderer = META_RENDERER (renderer_native);
GList *l;
for (l = meta_renderer_get_views (renderer); l; l = l->next)
{
ClutterStageView *stage_view = l->data;
CoglFramebuffer *framebuffer =
clutter_stage_view_get_onscreen (stage_view);
CoglOnscreen *onscreen = COGL_ONSCREEN (framebuffer);
CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
MetaOnscreenNative *onscreen_native = egl_onscreen->platform;
onscreen_native->pending_set_crtc = TRUE;
}
renderer_native->pending_unset_disabled_crtcs = TRUE;
}
static CoglOnscreen *
meta_renderer_native_create_onscreen (MetaRendererNative *renderer,
CoglContext *context,
MetaMonitorTransform transform,
gint view_width,
gint view_height)
{
CoglOnscreen *onscreen;
gint width, height;
GError *error = NULL;
if (meta_monitor_transform_is_rotated (transform))
{
width = view_height;
height = view_width;
}
else
{
width = view_width;
height = view_height;
}
onscreen = cogl_onscreen_new (context, width, height);
cogl_onscreen_set_swap_throttled (onscreen,
_clutter_get_sync_to_vblank ());
if (!cogl_framebuffer_allocate (COGL_FRAMEBUFFER (onscreen), &error))
{
g_warning ("Could not create onscreen: %s", error->message);
cogl_object_unref (onscreen);
g_error_free (error);
return NULL;
}
return onscreen;
}
static CoglOffscreen *
meta_renderer_native_create_offscreen (MetaRendererNative *renderer,
CoglContext *context,
MetaMonitorTransform transform,
gint view_width,
gint view_height)
{
CoglOffscreen *fb;
CoglTexture2D *tex;
GError *error = NULL;
tex = cogl_texture_2d_new_with_size (context, view_width, view_height);
cogl_primitive_texture_set_auto_mipmap (COGL_PRIMITIVE_TEXTURE (tex), FALSE);
if (!cogl_texture_allocate (COGL_TEXTURE (tex), &error))
{
cogl_object_unref (tex);
return FALSE;
}
fb = cogl_offscreen_new_with_texture (COGL_TEXTURE (tex));
cogl_object_unref (tex);
if (!cogl_framebuffer_allocate (COGL_FRAMEBUFFER (fb), &error))
{
g_warning ("Could not create offscreen: %s", error->message);
g_error_free (error);
cogl_object_unref (fb);
return FALSE;
}
return fb;
}
gboolean
meta_renderer_native_set_legacy_view_size (MetaRendererNative *renderer_native,
MetaRendererView *view,
int width,
int height,
GError **error)
{
ClutterBackend *clutter_backend = clutter_get_default_backend ();
CoglContext *cogl_context = clutter_backend_get_cogl_context (clutter_backend);
CoglDisplay *cogl_display = cogl_context_get_display (cogl_context);
CoglRendererEGL *egl_renderer = cogl_display->renderer->winsys;
ClutterStageView *stage_view = CLUTTER_STAGE_VIEW (view);
cairo_rectangle_int_t view_layout;
clutter_stage_view_get_layout (stage_view, &view_layout);
if (width != view_layout.width || height != view_layout.height)
{
MetaMonitorManagerKms *monitor_manager_kms =
renderer_native->monitor_manager_kms;
CoglFramebuffer *framebuffer =
clutter_stage_view_get_onscreen (stage_view);
CoglOnscreen *onscreen = COGL_ONSCREEN (framebuffer);
CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
MetaOnscreenNative *onscreen_native = egl_onscreen->platform;
CoglDisplayEGL *egl_display = cogl_display->winsys;
struct gbm_surface *new_surface;
EGLSurface new_egl_surface;
cairo_rectangle_int_t view_layout;
/*
* Ensure we don't have any pending flips that will want
* to swap the current buffer.
*/
while (onscreen_native->gbm.next_fb_id != 0)
meta_monitor_manager_kms_wait_for_flip (monitor_manager_kms);
/* Need to drop the GBM surface and create a new one */
if (!meta_renderer_native_create_surface_gbm (renderer_native,
width, height,
&new_surface,
&new_egl_surface,
error))
return FALSE;
if (egl_onscreen->egl_surface)
{
_cogl_winsys_egl_make_current (cogl_display,
egl_display->dummy_surface,
egl_display->dummy_surface,
egl_display->egl_context);
eglDestroySurface (egl_renderer->edpy,
egl_onscreen->egl_surface);
}
/*
* Release the current buffer and destroy the associated surface. The
* kernel will deal with keeping the actual buffer alive until its no
* longer used.
*/
free_current_bo (onscreen);
g_clear_pointer (&onscreen_native->gbm.surface, gbm_surface_destroy);
/*
* Update the active gbm and egl surfaces and make sure they they are
* used for drawing the coming frame.
*/
onscreen_native->gbm.surface = new_surface;
egl_onscreen->egl_surface = new_egl_surface;
_cogl_winsys_egl_make_current (cogl_display,
egl_onscreen->egl_surface,
egl_onscreen->egl_surface,
egl_display->egl_context);
view_layout = (cairo_rectangle_int_t) {
.width = width,
.height = height
};
g_object_set (G_OBJECT (view),
"layout", &view_layout,
NULL);
_cogl_framebuffer_winsys_update_size (framebuffer, width, height);
}
meta_renderer_native_queue_modes_reset (renderer_native);
return TRUE;
}
static const CoglWinsysVtable *
get_native_cogl_winsys_vtable (CoglRenderer *cogl_renderer)
{
static gboolean vtable_inited = FALSE;
static CoglWinsysVtable vtable;
if (!vtable_inited)
{
/* The this winsys is a subclass of the EGL winsys so we
start by copying its vtable */
parent_vtable = _cogl_winsys_egl_get_vtable ();
vtable = *parent_vtable;
vtable.id = COGL_WINSYS_ID_CUSTOM;
vtable.name = "EGL_KMS";
vtable.renderer_connect = meta_renderer_native_connect;
vtable.renderer_disconnect = meta_renderer_native_disconnect;
vtable.onscreen_init = meta_renderer_native_init_onscreen;
vtable.onscreen_deinit = meta_renderer_native_release_onscreen;
/* The KMS winsys doesn't support swap region */
vtable.onscreen_swap_region = NULL;
vtable.onscreen_swap_buffers_with_damage =
meta_onscreen_native_swap_buffers_with_damage;
vtable_inited = TRUE;
}
return &vtable;
}
static CoglRenderer *
meta_renderer_native_create_cogl_renderer (MetaRenderer *renderer)
{
CoglRenderer *cogl_renderer;
cogl_renderer = cogl_renderer_new ();
cogl_renderer_set_custom_winsys (cogl_renderer,
get_native_cogl_winsys_vtable);
return cogl_renderer;
}
static void
meta_onscreen_native_set_view (CoglOnscreen *onscreen,
MetaRendererView *view)
{
CoglOnscreenEGL *egl_onscreen;
MetaOnscreenNative *onscreen_native;
egl_onscreen = onscreen->winsys;
onscreen_native = egl_onscreen->platform;
onscreen_native->view = view;
}
MetaRendererView *
meta_renderer_native_create_legacy_view (MetaRendererNative *renderer_native)
{
MetaMonitorManager *monitor_manager =
META_MONITOR_MANAGER (renderer_native->monitor_manager_kms);
CoglOnscreen *onscreen = NULL;
MetaBackend *backend = meta_get_backend ();
ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
CoglContext *cogl_context = clutter_backend_get_cogl_context (clutter_backend);
cairo_rectangle_int_t view_layout = { 0 };
MetaRendererView *view;
GError *error = NULL;
meta_monitor_manager_get_screen_size (monitor_manager,
&view_layout.width,
&view_layout.height);
onscreen = meta_renderer_native_create_onscreen (renderer_native,
cogl_context,
META_MONITOR_TRANSFORM_NORMAL,
view_layout.width,
view_layout.height);
if (!onscreen)
meta_fatal ("Failed to allocate onscreen framebuffer\n");
view = g_object_new (META_TYPE_RENDERER_VIEW,
"layout", &view_layout,
"framebuffer", onscreen,
NULL);
meta_onscreen_native_set_view (onscreen, view);
if (!meta_onscreen_native_allocate (onscreen, &error))
{
g_warning ("Could not create onscreen: %s", error->message);
cogl_object_unref (onscreen);
g_object_unref (view);
g_error_free (error);
return NULL;
}
cogl_object_unref (onscreen);
return view;
}
static MetaMonitorTransform
calculate_view_transform (MetaMonitorManager *monitor_manager,
MetaLogicalMonitor *logical_monitor)
{
MetaMonitor *main_monitor;
MetaOutput *main_output;
main_monitor = meta_logical_monitor_get_monitors (logical_monitor)->data;
main_output = meta_monitor_get_main_output (main_monitor);
/*
* Pick any monitor and output and check; all CRTCs of a logical monitor will
* always have the same transform assigned to them.
*/
if (meta_monitor_manager_is_transform_handled (monitor_manager,
main_output->crtc,
logical_monitor->transform))
return META_MONITOR_TRANSFORM_NORMAL;
else
return logical_monitor->transform;
}
static MetaRendererView *
meta_renderer_native_create_view (MetaRenderer *renderer,
MetaLogicalMonitor *logical_monitor)
{
MetaRendererNative *renderer_native = META_RENDERER_NATIVE (renderer);
MetaMonitorManager *monitor_manager =
META_MONITOR_MANAGER (renderer_native->monitor_manager_kms);
MetaBackend *backend = meta_get_backend ();
ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
CoglContext *cogl_context = clutter_backend_get_cogl_context (clutter_backend);
CoglDisplay *cogl_display = cogl_context_get_display (cogl_context);
CoglDisplayEGL *egl_display = cogl_display->winsys;
CoglOnscreenEGL *egl_onscreen;
MetaMonitorTransform view_transform;
CoglOnscreen *onscreen = NULL;
CoglOffscreen *offscreen = NULL;
float scale;
int width, height;
MetaRendererView *view;
GError *error = NULL;
view_transform = calculate_view_transform (monitor_manager, logical_monitor);
if (meta_is_stage_views_scaled ())
scale = meta_logical_monitor_get_scale (logical_monitor);
else
scale = 1.0;
width = roundf (logical_monitor->rect.width * scale);
height = roundf (logical_monitor->rect.height * scale);
onscreen = meta_renderer_native_create_onscreen (META_RENDERER_NATIVE (renderer),
cogl_context,
view_transform,
width,
height);
if (!onscreen)
meta_fatal ("Failed to allocate onscreen framebuffer\n");
if (view_transform != META_MONITOR_TRANSFORM_NORMAL)
{
offscreen = meta_renderer_native_create_offscreen (META_RENDERER_NATIVE (renderer),
cogl_context,
view_transform,
width,
height);
if (!offscreen)
meta_fatal ("Failed to allocate back buffer texture\n");
}
view = g_object_new (META_TYPE_RENDERER_VIEW,
"layout", &logical_monitor->rect,
"scale", scale,
"framebuffer", onscreen,
"offscreen", offscreen,
"logical-monitor", logical_monitor,
"transform", view_transform,
NULL);
g_clear_pointer (&offscreen, cogl_object_unref);
meta_onscreen_native_set_view (onscreen, view);
if (!meta_onscreen_native_allocate (onscreen, &error))
{
g_warning ("Could not create onscreen: %s", error->message);
cogl_object_unref (onscreen);
g_object_unref (view);
g_error_free (error);
return NULL;
}
cogl_object_unref (onscreen);
/* Ensure we don't point to stale surfaces when creating the offscreen */
egl_onscreen = onscreen->winsys;
_cogl_winsys_egl_make_current (cogl_display,
egl_onscreen->egl_surface,
egl_onscreen->egl_surface,
egl_display->egl_context);
return view;
}
void
meta_renderer_native_finish_frame (MetaRendererNative *renderer_native)
{
renderer_native->frame_counter++;
if (renderer_native->pending_unset_disabled_crtcs)
{
MetaBackend *backend = meta_get_backend ();
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (backend);
MetaMonitorManagerKms *monitor_manager_kms =
META_MONITOR_MANAGER_KMS (monitor_manager);
GList *crtcs;
GList *l;
crtcs = meta_monitor_manager_get_crtcs (monitor_manager);
for (l = crtcs; l; l = l->next)
{
MetaCrtc *crtc = l->data;
if (crtc->current_mode)
continue;
meta_monitor_manager_kms_apply_crtc_mode (monitor_manager_kms,
crtc, 0, 0, 0);
}
renderer_native->pending_unset_disabled_crtcs = FALSE;
}
}
int64_t
meta_renderer_native_get_frame_counter (MetaRendererNative *renderer_native)
{
return renderer_native->frame_counter;
}
static void
meta_renderer_native_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
MetaRendererNative *renderer_native = META_RENDERER_NATIVE (object);
switch (prop_id)
{
case PROP_MONITOR_MANAGER:
g_value_set_object (value, renderer_native->monitor_manager_kms);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
meta_renderer_native_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
MetaRendererNative *renderer_native = META_RENDERER_NATIVE (object);
switch (prop_id)
{
case PROP_MONITOR_MANAGER:
renderer_native->monitor_manager_kms = g_value_get_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
meta_renderer_native_finalize (GObject *object)
{
MetaRendererNative *renderer_native = META_RENDERER_NATIVE (object);
g_clear_pointer (&renderer_native->gbm.device, gbm_device_destroy);
G_OBJECT_CLASS (meta_renderer_native_parent_class)->finalize (object);
}
static gboolean
init_gbm (MetaRendererNative *renderer_native,
GError **error)
{
MetaMonitorManagerKms *monitor_manager_kms =
renderer_native->monitor_manager_kms;
MetaBackend *backend = meta_get_backend ();
MetaEgl *egl = meta_backend_get_egl (backend);
struct gbm_device *gbm_device;
EGLDisplay egl_display;
int kms_fd;
if (!meta_egl_has_extensions (egl, EGL_NO_DISPLAY, NULL,
"EGL_MESA_platform_gbm",
NULL))
{
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
"Missing extension for GBM renderer: EGL_KHR_platform_gbm");
return FALSE;
}
kms_fd = meta_monitor_manager_kms_get_fd (monitor_manager_kms);
gbm_device = gbm_create_device (kms_fd);
if (!gbm_device)
{
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
"Failed to create gbm device: %s", g_strerror (errno));
return FALSE;
}
egl_display = meta_egl_get_platform_display (egl,
EGL_PLATFORM_GBM_KHR,
gbm_device, NULL, error);
if (egl_display == EGL_NO_DISPLAY)
{
gbm_device_destroy (gbm_device);
return FALSE;
}
renderer_native->egl_display = egl_display;
renderer_native->gbm.device = gbm_device;
renderer_native->mode = META_RENDERER_NATIVE_MODE_GBM;
return TRUE;
}
#ifdef HAVE_EGL_DEVICE
static const char *
get_drm_device_file (MetaEgl *egl,
EGLDeviceEXT device,
GError **error)
{
if (!meta_egl_egl_device_has_extensions (egl, device,
NULL,
"EGL_EXT_device_drm",
NULL))
{
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
"Missing required EGLDevice extension EGL_EXT_device_drm");
return NULL;
}
return meta_egl_query_device_string (egl, device,
EGL_DRM_DEVICE_FILE_EXT,
error);
}
static EGLDeviceEXT
find_egl_device (MetaRendererNative *renderer_native,
GError **error)
{
MetaMonitorManagerKms *monitor_manager_kms =
renderer_native->monitor_manager_kms;
MetaBackend *backend = meta_get_backend ();
MetaEgl *egl = meta_backend_get_egl (backend);
char **missing_extensions;
EGLint num_devices;
EGLDeviceEXT *devices;
const char *kms_file_path;
EGLDeviceEXT device;
EGLint i;
if (!meta_egl_has_extensions (egl,
EGL_NO_DISPLAY,
&missing_extensions,
"EGL_EXT_device_base",
NULL))
{
char *missing_extensions_str;
missing_extensions_str = g_strjoinv (", ", missing_extensions);
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
"Missing EGL extensions required for EGLDevice renderer: %s",
missing_extensions_str);
g_free (missing_extensions_str);
g_free (missing_extensions);
return EGL_NO_DEVICE_EXT;
}
if (!meta_egl_query_devices (egl, 0, NULL, &num_devices, error))
return EGL_NO_DEVICE_EXT;
devices = g_new0 (EGLDeviceEXT, num_devices);
if (!meta_egl_query_devices (egl, num_devices, devices, &num_devices,
error))
{
g_free (devices);
return EGL_NO_DEVICE_EXT;
}
kms_file_path = meta_monitor_manager_kms_get_file_path (monitor_manager_kms);
device = EGL_NO_DEVICE_EXT;
for (i = 0; i < num_devices; i++)
{
const char *egl_device_drm_path;
g_clear_error (error);
egl_device_drm_path = get_drm_device_file (egl, devices[i], error);
if (!egl_device_drm_path)
continue;
if (g_str_equal (egl_device_drm_path, kms_file_path))
{
device = devices[i];
break;
}
}
g_free (devices);
if (device == EGL_NO_DEVICE_EXT)
{
if (!*error)
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
"Failed to find matching EGLDeviceEXT");
return EGL_NO_DEVICE_EXT;
}
return device;
}
static EGLDisplay
get_egl_device_display (MetaRendererNative *renderer_native,
EGLDeviceEXT egl_device,
GError **error)
{
MetaBackend *backend = meta_get_backend ();
MetaEgl *egl = meta_backend_get_egl (backend);
MetaMonitorManagerKms *monitor_manager_kms =
renderer_native->monitor_manager_kms;
int kms_fd = meta_monitor_manager_kms_get_fd (monitor_manager_kms);
EGLint platform_attribs[] = {
EGL_DRM_MASTER_FD_EXT, kms_fd,
EGL_NONE
};
return meta_egl_get_platform_display (egl, EGL_PLATFORM_DEVICE_EXT,
(void *) egl_device,
platform_attribs,
error);
}
static gboolean
init_egl_device (MetaRendererNative *renderer_native,
GError **error)
{
MetaBackend *backend = meta_get_backend ();
MetaEgl *egl = meta_backend_get_egl (backend);
char **missing_extensions;
EGLDeviceEXT egl_device;
EGLDisplay egl_display;
if (!meta_is_stage_views_enabled())
{
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
"EGLDevice requires stage views enabled");
return FALSE;
}
egl_device = find_egl_device (renderer_native, error);
if (egl_device == EGL_NO_DEVICE_EXT)
return FALSE;
egl_display = get_egl_device_display (renderer_native, egl_device, error);
if (egl_display == EGL_NO_DISPLAY)
return FALSE;
if (!meta_egl_initialize (egl, egl_display, error))
return FALSE;
if (!meta_egl_has_extensions (egl,
egl_display,
&missing_extensions,
"EGL_NV_output_drm_flip_event",
"EGL_EXT_output_base",
"EGL_EXT_output_drm",
"EGL_KHR_stream",
"EGL_KHR_stream_producer_eglsurface",
"EGL_EXT_stream_consumer_egloutput",
"EGL_EXT_stream_acquire_mode",
NULL))
{
char *missing_extensions_str;
missing_extensions_str = g_strjoinv (", ", missing_extensions);
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
"Missing EGL extensions required for EGLDevice renderer: %s",
missing_extensions_str);
g_free (missing_extensions_str);
g_free (missing_extensions);
return FALSE;
}
renderer_native->egl_display = egl_display;
renderer_native->egl.device = egl_device;
renderer_native->mode = META_RENDERER_NATIVE_MODE_EGL_DEVICE;
return TRUE;
}
#endif /* HAVE_EGL_DEVICE */
static gboolean
meta_renderer_native_initable_init (GInitable *initable,
GCancellable *cancellable,
GError **error)
{
MetaRendererNative *renderer_native = META_RENDERER_NATIVE (initable);
GError *gbm_error = NULL;
#ifdef HAVE_EGL_DEVICE
GError *egl_device_error = NULL;
#endif
#ifdef HAVE_EGL_DEVICE
/* Try to initialize the EGLDevice backend first. Whenever we use a
* non-NVIDIA GPU, the EGLDevice enumeration function won't find a match, and
* we'll fall back to GBM (which will always succeed as it has a software
* rendering fallback)
*/
if (init_egl_device (renderer_native, &egl_device_error))
return TRUE;
#endif
if (init_gbm (renderer_native, &gbm_error))
{
#ifdef HAVE_EGL_DEVICE
g_error_free (egl_device_error);
#endif
return TRUE;
}
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
"Failed to initialize renderer: "
"%s"
#ifdef HAVE_EGL_DEVICE
", %s"
#endif
, gbm_error->message
#ifdef HAVE_EGL_DEVICE
, egl_device_error->message
#endif
);
g_error_free (gbm_error);
#ifdef HAVE_EGL_DEVICE
g_error_free (egl_device_error);
#endif
return FALSE;
}
static void
initable_iface_init (GInitableIface *initable_iface)
{
initable_iface->init = meta_renderer_native_initable_init;
}
static void
meta_renderer_native_init (MetaRendererNative *renderer_native)
{
}
static void
meta_renderer_native_class_init (MetaRendererNativeClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
MetaRendererClass *renderer_class = META_RENDERER_CLASS (klass);
object_class->get_property = meta_renderer_native_get_property;
object_class->set_property = meta_renderer_native_set_property;
object_class->finalize = meta_renderer_native_finalize;
renderer_class->create_cogl_renderer = meta_renderer_native_create_cogl_renderer;
renderer_class->create_view = meta_renderer_native_create_view;
obj_props[PROP_MONITOR_MANAGER] =
g_param_spec_object ("monitor-manager",
"monitor-manager",
"MetaMonitorManagerKms",
META_TYPE_MONITOR_MANAGER_KMS,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, PROP_LAST, obj_props);
}
MetaRendererNative *
meta_renderer_native_new (MetaMonitorManagerKms *monitor_manager_kms,
GError **error)
{
MetaRendererNative *renderer_native;
renderer_native = g_object_new (META_TYPE_RENDERER_NATIVE,
"monitor-manager", monitor_manager_kms,
NULL);
if (!g_initable_init (G_INITABLE (renderer_native), NULL, error))
{
g_object_unref (renderer_native);
return NULL;
}
return renderer_native;
}
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