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mutter-performance-source/src/backends/native/meta-renderer-native.c
Jonas Ådahl f6cd87734d native: Disable the use of KMS modifiers by default 
Make it re-enable:able by a hidden "experimental feature". To enable, add
"kms-modifiers" to the org.gnome.mutter.experimental-features GSettings entry.
2018-04-16 16:29:38 +02:00

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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 <drm_fourcc.h>
#include "backends/meta-backend-private.h"
#include "backends/meta-crtc.h"
#include "backends/meta-gles3.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-crtc-kms.h"
#include "backends/native/meta-gpu-kms.h"
#include "backends/native/meta-monitor-manager-kms.h"
#include "backends/native/meta-renderer-native.h"
#include "backends/native/meta-renderer-native-gles3.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 enum _MetaSharedFramebufferCopyMode
{
META_SHARED_FRAMEBUFFER_COPY_MODE_GPU,
META_SHARED_FRAMEBUFFER_COPY_MODE_CPU
} MetaSharedFramebufferCopyMode;
typedef struct _MetaRendererNativeGpuData
{
MetaRendererNative *renderer_native;
struct {
struct gbm_device *device;
} gbm;
#ifdef HAVE_EGL_DEVICE
struct {
EGLDeviceEXT device;
gboolean no_egl_output_drm_flip_event;
} egl;
#endif
MetaRendererNativeMode mode;
gboolean no_add_fb2;
EGLDisplay egl_display;
/*
* Fields used for blitting iGPU framebuffer content onto dGPU framebuffers.
*/
struct {
MetaSharedFramebufferCopyMode copy_mode;
/* For GPU blit mode */
EGLContext egl_context;
EGLConfig egl_config;
} secondary;
} MetaRendererNativeGpuData;
typedef struct _MetaDumbBuffer
{
uint32_t fb_id;
uint32_t handle;
void *map;
uint64_t map_size;
} MetaDumbBuffer;
typedef struct _MetaOnscreenNativeSecondaryGpuState
{
MetaGpuKms *gpu_kms;
MetaRendererNativeGpuData *renderer_gpu_data;
EGLSurface egl_surface;
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;
struct {
MetaDumbBuffer *dumb_fb;
MetaDumbBuffer dumb_fbs[2];
} cpu;
int pending_flips;
} MetaOnscreenNativeSecondaryGpuState;
typedef struct _MetaOnscreenNative
{
MetaRendererNative *renderer_native;
MetaGpuKms *render_gpu;
MetaLogicalMonitor *logical_monitor;
GHashTable *secondary_gpu_states;
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;
MetaDumbBuffer 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 total_pending_flips;
} MetaOnscreenNative;
struct _MetaRendererNative
{
MetaRenderer parent;
MetaMonitorManagerKms *monitor_manager_kms;
MetaGles3 *gles3;
gboolean use_modifiers;
GHashTable *gpu_datas;
CoglClosure *swap_notify_idle;
int64_t frame_counter;
gboolean pending_unset_disabled_crtcs;
};
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
release_dumb_fb (MetaDumbBuffer *dumb_fb,
MetaGpuKms *gpu_kms);
static gboolean
init_dumb_fb (MetaDumbBuffer *dumb_fb,
MetaGpuKms *gpu_kms,
int width,
int height,
uint32_t format,
GError **error);
static MetaEgl *
meta_renderer_native_get_egl (MetaRendererNative *renderer_native);
static void
free_current_secondary_bo (MetaGpuKms *gpu_kms,
MetaOnscreenNativeSecondaryGpuState *secondary_gpu_state);
static void
free_next_secondary_bo (MetaGpuKms *gpu_kms,
MetaOnscreenNativeSecondaryGpuState *secondary_gpu_state);
static void
meta_renderer_native_gpu_data_free (MetaRendererNativeGpuData *renderer_gpu_data)
{
MetaRendererNative *renderer_native = renderer_gpu_data->renderer_native;
MetaEgl *egl = meta_renderer_native_get_egl (renderer_native);
if (renderer_gpu_data->egl_display != EGL_NO_DISPLAY)
meta_egl_terminate (egl, renderer_gpu_data->egl_display, NULL);
g_clear_pointer (&renderer_gpu_data->gbm.device, gbm_device_destroy);
g_free (renderer_gpu_data);
}
static MetaRendererNativeGpuData *
meta_renderer_native_get_gpu_data (MetaRendererNative *renderer_native,
MetaGpuKms *gpu_kms)
{
return g_hash_table_lookup (renderer_native->gpu_datas, gpu_kms);
}
static MetaRendererNative *
meta_renderer_native_from_gpu (MetaGpuKms *gpu_kms)
{
MetaMonitorManager *monitor_manager =
meta_gpu_get_monitor_manager (META_GPU (gpu_kms));
MetaBackend *backend = meta_monitor_manager_get_backend (monitor_manager);
return META_RENDERER_NATIVE (meta_backend_get_renderer (backend));
}
struct gbm_device *
meta_gbm_device_from_gpu (MetaGpuKms *gpu_kms)
{
MetaRendererNative *renderer_native = meta_renderer_native_from_gpu (gpu_kms);
MetaRendererNativeGpuData *renderer_gpu_data;
renderer_gpu_data = meta_renderer_native_get_gpu_data (renderer_native,
gpu_kms);
return renderer_gpu_data->gbm.device;
}
static MetaRendererNativeGpuData *
meta_create_renderer_native_gpu_data (MetaGpuKms *gpu_kms)
{
return g_new0 (MetaRendererNativeGpuData, 1);
}
static MetaOnscreenNativeSecondaryGpuState *
get_secondary_gpu_state (CoglOnscreen *onscreen,
MetaGpuKms *gpu_kms)
{
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
return g_hash_table_lookup (onscreen_native->secondary_gpu_states, gpu_kms);
}
static MetaEgl *
meta_renderer_native_get_egl (MetaRendererNative *renderer_native)
{
MetaMonitorManager *monitor_manager =
META_MONITOR_MANAGER (renderer_native->monitor_manager_kms);
MetaBackend *backend = meta_monitor_manager_get_backend (monitor_manager);
return meta_backend_get_egl (backend);
}
static MetaEgl *
meta_onscreen_native_get_egl (MetaOnscreenNative *onscreen_native)
{
return meta_renderer_native_get_egl (onscreen_native->renderer_native);
}
static GArray *
get_supported_kms_modifiers (CoglOnscreen *onscreen,
MetaGpu *gpu,
uint32_t format)
{
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaLogicalMonitor *logical_monitor = onscreen_native->logical_monitor;
GArray *modifiers;
GArray *base_mods;
GList *l_crtc;
MetaCrtc *base_crtc = NULL;
GList *other_crtcs = NULL;
unsigned int i;
if (!logical_monitor)
return NULL;
/* Find our base CRTC to intersect against. */
for (l_crtc = meta_gpu_get_crtcs (gpu); l_crtc; l_crtc = l_crtc->next)
{
MetaCrtc *crtc = l_crtc->data;
if (crtc->logical_monitor != logical_monitor)
continue;
if (!base_crtc)
base_crtc = crtc;
else if (crtc == base_crtc)
continue;
else if (g_list_index (other_crtcs, crtc) == -1)
other_crtcs = g_list_append (other_crtcs, crtc);
}
if (!base_crtc)
goto out;
base_mods = meta_crtc_kms_get_modifiers (base_crtc, format);
if (!base_mods)
goto out;
/*
* If this is the only CRTC we have, we don't need to intersect the sets of
* modifiers.
*/
if (other_crtcs == NULL)
{
modifiers = g_array_sized_new (FALSE, FALSE, sizeof (uint64_t),
base_mods->len);
g_array_append_vals (modifiers, base_mods->data, base_mods->len);
return modifiers;
}
modifiers = g_array_new (FALSE, FALSE, sizeof (uint64_t));
/*
* For each modifier from base_crtc, check if it's available on all other
* CRTCs.
*/
for (i = 0; i < base_mods->len; i++)
{
uint64_t modifier = g_array_index (base_mods, uint64_t, i);
gboolean found_everywhere = TRUE;
GList *k;
/* Check if we have the same modifier available for all CRTCs. */
for (k = other_crtcs; k; k = k->next)
{
MetaCrtc *crtc = k->data;
GArray *crtc_mods;
unsigned int m;
gboolean found_here = FALSE;
if (crtc->logical_monitor != logical_monitor)
continue;
crtc_mods = meta_crtc_kms_get_modifiers (crtc, format);
if (!crtc_mods)
{
g_array_free (modifiers, TRUE);
goto out;
}
for (m = 0; m < crtc_mods->len; m++)
{
uint64_t local_mod = g_array_index (crtc_mods, uint64_t, m);
if (local_mod == modifier)
{
found_here = TRUE;
break;
}
}
if (!found_here)
{
found_everywhere = FALSE;
break;
}
}
if (found_everywhere)
g_array_append_val (modifiers, modifier);
}
if (modifiers->len == 0)
{
g_array_free (modifiers, TRUE);
goto out;
}
return modifiers;
out:
g_list_free (other_crtcs);
return NULL;
}
static GArray *
get_supported_egl_modifiers (CoglOnscreen *onscreen,
MetaGpu *gpu,
uint32_t format)
{
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaRendererNative *renderer_native = onscreen_native->renderer_native;
MetaEgl *egl = meta_onscreen_native_get_egl (onscreen_native);
MetaRendererNativeGpuData *renderer_gpu_data;
EGLint num_modifiers;
GArray *modifiers;
GError *error = NULL;
gboolean ret;
renderer_gpu_data = meta_renderer_native_get_gpu_data (renderer_native,
META_GPU_KMS (gpu));
if (!meta_egl_has_extensions (egl, renderer_gpu_data->egl_display, NULL,
"EGL_EXT_image_dma_buf_import_modifiers",
NULL))
return NULL;
ret = meta_egl_query_dma_buf_modifiers (egl, renderer_gpu_data->egl_display,
format, 0, NULL, NULL,
&num_modifiers, NULL);
if (!ret || num_modifiers == 0)
return NULL;
modifiers = g_array_sized_new (FALSE, FALSE, sizeof (uint64_t),
num_modifiers);
ret = meta_egl_query_dma_buf_modifiers (egl, renderer_gpu_data->egl_display,
format, num_modifiers,
(EGLuint64KHR *) modifiers->data, NULL,
&num_modifiers, &error);
if (!ret)
{
g_warning ("Failed to query DMABUF modifiers: %s", error->message);
g_error_free (error);
g_array_free (modifiers, TRUE);
return NULL;
}
return modifiers;
}
static GArray *
get_supported_modifiers (CoglOnscreen *onscreen,
uint32_t format)
{
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaLogicalMonitor *logical_monitor = onscreen_native->logical_monitor;
GArray *modifiers = NULL;
GArray *gpu_mods;
GList *l_monitor;
unsigned int i;
if (!logical_monitor)
return NULL;
/* Find our base CRTC to intersect against. */
for (l_monitor = meta_logical_monitor_get_monitors (logical_monitor);
l_monitor;
l_monitor = l_monitor->next)
{
MetaMonitor *monitor = l_monitor->data;
MetaGpu *gpu = meta_monitor_get_gpu (monitor);
if (gpu == META_GPU (onscreen_native->render_gpu))
gpu_mods = get_supported_kms_modifiers (onscreen, gpu, format);
else
gpu_mods = get_supported_egl_modifiers (onscreen, gpu, format);
if (!gpu_mods)
{
g_array_free (modifiers, TRUE);
return NULL;
}
if (!modifiers)
{
modifiers = gpu_mods;
continue;
}
for (i = 0; i < modifiers->len; i++)
{
uint64_t modifier = g_array_index (modifiers, uint64_t, i);
gboolean found = FALSE;
unsigned int m;
for (m = 0; m < gpu_mods->len; m++)
{
uint64_t gpu_mod = g_array_index (gpu_mods, uint64_t, m);
if (gpu_mod == modifier)
{
found = TRUE;
break;
}
}
if (!found)
{
g_array_remove_index_fast (modifiers, i);
i--;
}
}
g_array_free (gpu_mods, TRUE);
}
if (modifiers && modifiers->len == 0)
{
g_array_free (modifiers, TRUE);
return NULL;
}
return modifiers;
}
static gboolean
init_secondary_gpu_state_gpu_copy_mode (MetaRendererNative *renderer_native,
CoglOnscreen *onscreen,
MetaRendererNativeGpuData *renderer_gpu_data,
MetaGpuKms *gpu_kms,
GError **error)
{
CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaEgl *egl = meta_onscreen_native_get_egl (onscreen_native);
int width, height;
EGLNativeWindowType egl_native_window;
struct gbm_surface *gbm_surface;
EGLSurface egl_surface;
MetaOnscreenNativeSecondaryGpuState *secondary_gpu_state;
width = cogl_framebuffer_get_width (framebuffer);
height = cogl_framebuffer_get_height (framebuffer);
gbm_surface = gbm_surface_create (renderer_gpu_data->gbm.device,
width, height,
GBM_FORMAT_XRGB8888,
GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
if (!gbm_surface)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Failed to create gbm_surface: %s", strerror (errno));
return FALSE;
}
egl_native_window = (EGLNativeWindowType) gbm_surface;
egl_surface =
meta_egl_create_window_surface (egl,
renderer_gpu_data->egl_display,
renderer_gpu_data->secondary.egl_config,
egl_native_window,
NULL,
error);
if (egl_surface == EGL_NO_SURFACE)
{
gbm_surface_destroy (gbm_surface);
return FALSE;
}
secondary_gpu_state = g_new0 (MetaOnscreenNativeSecondaryGpuState, 1);
secondary_gpu_state->gpu_kms = gpu_kms;
secondary_gpu_state->renderer_gpu_data = renderer_gpu_data;
secondary_gpu_state->gbm.surface = gbm_surface;
secondary_gpu_state->egl_surface = egl_surface;
g_hash_table_insert (onscreen_native->secondary_gpu_states,
gpu_kms, secondary_gpu_state);
return TRUE;
}
static void
secondary_gpu_state_free (MetaOnscreenNativeSecondaryGpuState *secondary_gpu_state)
{
MetaBackend *backend = meta_get_backend ();
MetaEgl *egl = meta_backend_get_egl (backend);
MetaGpuKms *gpu_kms = secondary_gpu_state->gpu_kms;
unsigned int i;
if (secondary_gpu_state->egl_surface != EGL_NO_SURFACE)
{
MetaRendererNativeGpuData *renderer_gpu_data;
renderer_gpu_data = secondary_gpu_state->renderer_gpu_data;
meta_egl_destroy_surface (egl,
renderer_gpu_data->egl_display,
secondary_gpu_state->egl_surface,
NULL);
}
free_current_secondary_bo (gpu_kms, secondary_gpu_state);
free_next_secondary_bo (gpu_kms, secondary_gpu_state);
g_clear_pointer (&secondary_gpu_state->gbm.surface, gbm_surface_destroy);
for (i = 0; i < G_N_ELEMENTS (secondary_gpu_state->cpu.dumb_fbs); i++)
{
MetaDumbBuffer *dumb_fb = &secondary_gpu_state->cpu.dumb_fbs[i];
if (dumb_fb->fb_id)
release_dumb_fb (dumb_fb, gpu_kms);
}
g_free (secondary_gpu_state);
}
static gboolean
init_secondary_gpu_state_cpu_copy_mode (MetaRendererNative *renderer_native,
CoglOnscreen *onscreen,
MetaRendererNativeGpuData *renderer_gpu_data,
MetaGpuKms *gpu_kms,
GError **error)
{
CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaOnscreenNativeSecondaryGpuState *secondary_gpu_state;
int width, height;
unsigned int i;
width = cogl_framebuffer_get_width (framebuffer);
height = cogl_framebuffer_get_height (framebuffer);
secondary_gpu_state = g_new0 (MetaOnscreenNativeSecondaryGpuState, 1);
secondary_gpu_state->renderer_gpu_data = renderer_gpu_data;
secondary_gpu_state->gpu_kms = gpu_kms;
secondary_gpu_state->egl_surface = EGL_NO_SURFACE;
for (i = 0; i < G_N_ELEMENTS (secondary_gpu_state->cpu.dumb_fbs); i++)
{
MetaDumbBuffer *dumb_fb = &secondary_gpu_state->cpu.dumb_fbs[i];
if (!init_dumb_fb (dumb_fb,
gpu_kms,
width, height,
GBM_FORMAT_XBGR8888,
error))
{
secondary_gpu_state_free (secondary_gpu_state);
return FALSE;
}
}
g_hash_table_insert (onscreen_native->secondary_gpu_states,
gpu_kms, secondary_gpu_state);
return TRUE;
}
static gboolean
init_secondary_gpu_state (MetaRendererNative *renderer_native,
CoglOnscreen *onscreen,
MetaGpuKms *gpu_kms,
GError **error)
{
MetaRendererNativeGpuData *renderer_gpu_data;
renderer_gpu_data = meta_renderer_native_get_gpu_data (renderer_native,
gpu_kms);
switch (renderer_gpu_data->secondary.copy_mode)
{
case META_SHARED_FRAMEBUFFER_COPY_MODE_GPU:
if (!init_secondary_gpu_state_gpu_copy_mode (renderer_native,
onscreen,
renderer_gpu_data,
gpu_kms,
error))
return FALSE;
break;
case META_SHARED_FRAMEBUFFER_COPY_MODE_CPU:
if (!init_secondary_gpu_state_cpu_copy_mode (renderer_native,
onscreen,
renderer_gpu_data,
gpu_kms,
error))
return FALSE;
break;
}
return TRUE;
}
static void
meta_renderer_native_disconnect (CoglRenderer *cogl_renderer)
{
CoglRendererEGL *cogl_renderer_egl = cogl_renderer->winsys;
g_slice_free (CoglRendererEGL, cogl_renderer_egl);
}
static void
flush_pending_swap_notify (CoglFramebuffer *framebuffer)
{
if (framebuffer->type == COGL_FRAMEBUFFER_TYPE_ONSCREEN)
{
CoglOnscreen *onscreen = COGL_ONSCREEN (framebuffer);
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->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 *cogl_renderer_egl = cogl_context->display->renderer->winsys;
MetaRendererNativeGpuData *renderer_gpu_data = cogl_renderer_egl->platform;
MetaRendererNative *renderer_native = renderer_gpu_data->renderer_native;
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_secondary_bo (MetaGpuKms *gpu_kms,
MetaOnscreenNativeSecondaryGpuState *secondary_gpu_state)
{
MetaRendererNativeGpuData *renderer_gpu_data;
int kms_fd;
kms_fd = meta_gpu_kms_get_fd (gpu_kms);
renderer_gpu_data = secondary_gpu_state->renderer_gpu_data;
switch (renderer_gpu_data->secondary.copy_mode)
{
case META_SHARED_FRAMEBUFFER_COPY_MODE_GPU:
if (secondary_gpu_state->gbm.current_fb_id)
{
drmModeRmFB (kms_fd, secondary_gpu_state->gbm.current_fb_id);
secondary_gpu_state->gbm.current_fb_id = 0;
}
if (secondary_gpu_state->gbm.current_bo)
{
gbm_surface_release_buffer (secondary_gpu_state->gbm.surface,
secondary_gpu_state->gbm.current_bo);
secondary_gpu_state->gbm.current_bo = NULL;
}
break;
case META_SHARED_FRAMEBUFFER_COPY_MODE_CPU:
break;
}
}
static void
free_current_bo (CoglOnscreen *onscreen)
{
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaGpuKms *render_gpu = onscreen_native->render_gpu;
int kms_fd;
kms_fd = meta_gpu_kms_get_fd (render_gpu);
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;
}
g_hash_table_foreach (onscreen_native->secondary_gpu_states,
(GHFunc) free_current_secondary_bo,
NULL);
}
static void
meta_onscreen_native_queue_swap_notify (CoglOnscreen *onscreen)
{
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaRendererNative *renderer_native = onscreen_native->renderer_native;
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)
{
CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
CoglContext *cogl_context = framebuffer->context;
CoglRenderer *cogl_renderer = cogl_context->display->renderer;
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)
{
CoglRendererEGL *cogl_renderer_egl;
MetaGpuKms *gpu_kms = cogl_renderer->custom_winsys_user_data;
MetaRendererNative *renderer_native = meta_renderer_native_from_gpu (gpu_kms);
MetaRendererNativeGpuData *renderer_gpu_data;
cogl_renderer->winsys = g_slice_new0 (CoglRendererEGL);
cogl_renderer_egl = cogl_renderer->winsys;
renderer_gpu_data = meta_renderer_native_get_gpu_data (renderer_native,
gpu_kms);
cogl_renderer_egl->platform_vtable = &_cogl_winsys_egl_vtable;
cogl_renderer_egl->platform = renderer_gpu_data;
cogl_renderer_egl->edpy = renderer_gpu_data->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 *cogl_renderer_egl = cogl_display->renderer->winsys;
MetaRendererNativeGpuData *renderer_gpu_data = cogl_renderer_egl->platform;
int i = 0;
switch (renderer_gpu_data->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
choose_egl_config_from_gbm_format (MetaEgl *egl,
EGLDisplay egl_display,
const EGLint *attributes,
uint32_t gbm_format,
EGLConfig *out_config,
GError **error)
{
EGLConfig *egl_configs;
EGLint n_configs;
EGLint i;
egl_configs = meta_egl_choose_all_configs (egl, egl_display,
attributes,
&n_configs,
error);
if (!egl_configs)
return FALSE;
for (i = 0; i < n_configs; i++)
{
EGLint visual_id;
if (!meta_egl_get_config_attrib (egl, egl_display,
egl_configs[i],
EGL_NATIVE_VISUAL_ID,
&visual_id,
error))
{
g_free (egl_configs);
return FALSE;
}
if ((uint32_t) visual_id == gbm_format)
{
*out_config = egl_configs[i];
g_free (egl_configs);
return TRUE;
}
}
g_free (egl_configs);
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"No EGL config matching supported GBM format found");
return FALSE;
}
static gboolean
meta_renderer_native_choose_egl_config (CoglDisplay *cogl_display,
EGLint *attributes,
EGLConfig *out_config,
GError **error)
{
CoglRenderer *cogl_renderer = cogl_display->renderer;
CoglRendererEGL *cogl_renderer_egl = cogl_renderer->winsys;
MetaBackend *backend = meta_get_backend ();
MetaEgl *egl = meta_backend_get_egl (backend);
EGLDisplay egl_display = cogl_renderer_egl->edpy;
return choose_egl_config_from_gbm_format (egl,
egl_display,
attributes,
GBM_FORMAT_XRGB8888,
out_config,
error);
}
static gboolean
meta_renderer_native_setup_egl_display (CoglDisplay *cogl_display,
GError **error)
{
CoglDisplayEGL *cogl_display_egl = cogl_display->winsys;
CoglRendererEGL *cogl_renderer_egl = cogl_display->renderer->winsys;
MetaRendererNativeGpuData *renderer_gpu_data = cogl_renderer_egl->platform;
MetaRendererNative *renderer_native = renderer_gpu_data->renderer_native;
cogl_display_egl->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_first_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 *cogl_display_egl = cogl_display->winsys;
CoglRenderer *cogl_renderer = cogl_display->renderer;
CoglRendererEGL *cogl_renderer_egl = cogl_renderer->winsys;
if ((cogl_renderer_egl->private_features &
COGL_EGL_WINSYS_FEATURE_SURFACELESS_CONTEXT) == 0)
{
cogl_display_egl->dummy_surface =
create_dummy_pbuffer_surface (cogl_renderer_egl->edpy, error);
if (cogl_display_egl->dummy_surface == EGL_NO_SURFACE)
return FALSE;
}
if (!_cogl_winsys_egl_make_current (cogl_display,
cogl_display_egl->dummy_surface,
cogl_display_egl->dummy_surface,
cogl_display_egl->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 *cogl_display_egl = cogl_display->winsys;
CoglRenderer *cogl_renderer = cogl_display->renderer;
CoglRendererEGL *cogl_renderer_egl = cogl_renderer->winsys;
MetaRendererNativeGpuData *renderer_gpu_data = cogl_renderer_egl->platform;
MetaRendererNative *renderer_native = renderer_gpu_data->renderer_native;
MetaEgl *egl = meta_renderer_native_get_egl (renderer_native);
if (cogl_display_egl->dummy_surface != EGL_NO_SURFACE)
{
meta_egl_destroy_surface (egl,
cogl_renderer_egl->edpy,
cogl_display_egl->dummy_surface,
NULL);
cogl_display_egl->dummy_surface = EGL_NO_SURFACE;
}
}
static void
swap_secondary_drm_fb (MetaGpuKms *gpu_kms,
MetaOnscreenNativeSecondaryGpuState *secondary_gpu_state)
{
secondary_gpu_state->gbm.current_fb_id = secondary_gpu_state->gbm.next_fb_id;
secondary_gpu_state->gbm.next_fb_id = 0;
secondary_gpu_state->gbm.current_bo = secondary_gpu_state->gbm.next_bo;
secondary_gpu_state->gbm.next_bo = NULL;
}
static void
meta_onscreen_native_swap_drm_fb (CoglOnscreen *onscreen)
{
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->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;
g_hash_table_foreach (onscreen_native->secondary_gpu_states,
(GHFunc) swap_secondary_drm_fb,
NULL);
}
static void
on_crtc_flipped (GClosure *closure,
MetaGpuKms *gpu_kms,
MetaRendererView *view)
{
ClutterStageView *stage_view = CLUTTER_STAGE_VIEW (view);
CoglFramebuffer *framebuffer =
clutter_stage_view_get_onscreen (stage_view);
CoglOnscreen *onscreen = COGL_ONSCREEN (framebuffer);
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaRendererNative *renderer_native = onscreen_native->renderer_native;
MetaGpuKms *render_gpu = onscreen_native->render_gpu;
if (gpu_kms != render_gpu)
{
MetaOnscreenNativeSecondaryGpuState *secondary_gpu_state;
secondary_gpu_state = get_secondary_gpu_state (onscreen, gpu_kms);
secondary_gpu_state->pending_flips--;
}
onscreen_native->total_pending_flips--;
if (onscreen_native->total_pending_flips == 0)
{
MetaRendererNativeGpuData *renderer_gpu_data;
onscreen_native->pending_queue_swap_notify = FALSE;
meta_onscreen_native_queue_swap_notify (onscreen);
renderer_gpu_data =
meta_renderer_native_get_gpu_data (renderer_native,
onscreen_native->render_gpu);
switch (renderer_gpu_data->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
free_next_secondary_bo (MetaGpuKms *gpu_kms,
MetaOnscreenNativeSecondaryGpuState *secondary_gpu_state)
{
MetaRendererNativeGpuData *renderer_gpu_data;
renderer_gpu_data = secondary_gpu_state->renderer_gpu_data;
switch (renderer_gpu_data->secondary.copy_mode)
{
case META_SHARED_FRAMEBUFFER_COPY_MODE_GPU:
if (secondary_gpu_state->gbm.next_fb_id)
{
int kms_fd;
kms_fd = meta_gpu_kms_get_fd (gpu_kms);
drmModeRmFB (kms_fd, secondary_gpu_state->gbm.next_fb_id);
gbm_surface_release_buffer (secondary_gpu_state->gbm.surface,
secondary_gpu_state->gbm.next_bo);
secondary_gpu_state->gbm.next_fb_id = 0;
secondary_gpu_state->gbm.next_bo = NULL;
}
break;
case META_SHARED_FRAMEBUFFER_COPY_MODE_CPU:
break;
}
}
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 *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaRendererNative *renderer_native = onscreen_native->renderer_native;
MetaGpuKms *render_gpu = onscreen_native->render_gpu;
MetaRendererNativeGpuData *renderer_gpu_data;
renderer_gpu_data = meta_renderer_native_get_gpu_data (renderer_native,
render_gpu);
switch (renderer_gpu_data->mode)
{
case META_RENDERER_NATIVE_MODE_GBM:
if (onscreen_native->gbm.next_fb_id)
{
int kms_fd;
kms_fd = meta_gpu_kms_get_fd (render_gpu);
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;
}
g_hash_table_foreach (onscreen_native->secondary_gpu_states,
(GHFunc) free_next_secondary_bo,
NULL);
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 (MetaOnscreenNative *onscreen_native,
GClosure *flip_closure)
{
MetaRendererNativeGpuData *renderer_gpu_data;
EGLDisplay *egl_display;
MetaEgl *egl = meta_onscreen_native_get_egl (onscreen_native);
EGLAttrib *acquire_attribs;
GError *error = NULL;
renderer_gpu_data =
meta_renderer_native_get_gpu_data (onscreen_native->renderer_native,
onscreen_native->render_gpu);
if (renderer_gpu_data->egl.no_egl_output_drm_flip_event)
return FALSE;
acquire_attribs = (EGLAttrib[]) {
EGL_DRM_FLIP_EVENT_DATA_NV,
(EGLAttrib) flip_closure,
EGL_NONE
};
egl_display = renderer_gpu_data->egl_display;
if (!meta_egl_stream_consumer_acquire_attrib (egl,
egl_display,
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_gpu_data->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 (CoglOnscreen *onscreen,
GClosure *flip_closure,
MetaCrtc *crtc,
int x,
int y,
gboolean *fb_in_use)
{
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaRendererNative *renderer_native = onscreen_native->renderer_native;
MetaGpuKms *render_gpu = onscreen_native->render_gpu;
MetaRendererNativeGpuData *renderer_gpu_data;
MetaGpuKms *gpu_kms;
MetaOnscreenNativeSecondaryGpuState *secondary_gpu_state = NULL;
uint32_t fb_id;
gpu_kms = META_GPU_KMS (meta_crtc_get_gpu (crtc));
if (!meta_gpu_kms_is_crtc_active (gpu_kms, crtc))
{
*fb_in_use = FALSE;
return;
}
renderer_gpu_data = meta_renderer_native_get_gpu_data (renderer_native,
render_gpu);
switch (renderer_gpu_data->mode)
{
case META_RENDERER_NATIVE_MODE_GBM:
if (gpu_kms == render_gpu)
{
fb_id = onscreen_native->gbm.next_fb_id;
}
else
{
secondary_gpu_state = get_secondary_gpu_state (onscreen, gpu_kms);
fb_id = secondary_gpu_state->gbm.next_fb_id;
}
if (!meta_gpu_kms_flip_crtc (gpu_kms,
crtc,
x, y,
fb_id,
flip_closure,
fb_in_use))
return;
onscreen_native->total_pending_flips++;
if (secondary_gpu_state)
secondary_gpu_state->pending_flips++;
break;
#ifdef HAVE_EGL_DEVICE
case META_RENDERER_NATIVE_MODE_EGL_DEVICE:
if (flip_egl_stream (onscreen_native,
flip_closure))
onscreen_native->total_pending_flips++;
*fb_in_use = TRUE;
break;
#endif
}
}
typedef struct _SetCrtcFbData
{
MetaGpuKms *render_gpu;
CoglOnscreen *onscreen;
uint32_t fb_id;
} SetCrtcFbData;
static void
set_crtc_fb (MetaLogicalMonitor *logical_monitor,
MetaCrtc *crtc,
gpointer user_data)
{
SetCrtcFbData *data = user_data;
MetaGpuKms *render_gpu = data->render_gpu;
CoglOnscreen *onscreen = data->onscreen;
MetaGpuKms *gpu_kms;
uint32_t fb_id;
int x, y;
gpu_kms = META_GPU_KMS (meta_crtc_get_gpu (crtc));
if (gpu_kms == render_gpu)
{
fb_id = data->fb_id;
}
else
{
MetaOnscreenNativeSecondaryGpuState *secondary_gpu_state;
secondary_gpu_state = get_secondary_gpu_state (onscreen, gpu_kms);
if (!secondary_gpu_state)
return;
fb_id = secondary_gpu_state->gbm.next_fb_id;
}
x = crtc->rect.x - logical_monitor->rect.x;
y = crtc->rect.y - logical_monitor->rect.y;
meta_gpu_kms_apply_crtc_mode (gpu_kms, crtc, x, y, fb_id);
}
static void
meta_onscreen_native_set_crtc_modes (CoglOnscreen *onscreen)
{
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaRendererNative *renderer_native = onscreen_native->renderer_native;
MetaGpuKms *render_gpu = onscreen_native->render_gpu;
MetaRendererNativeGpuData *renderer_gpu_data;
MetaRendererView *view = onscreen_native->view;
uint32_t fb_id = 0;
MetaLogicalMonitor *logical_monitor;
renderer_gpu_data = meta_renderer_native_get_gpu_data (renderer_native,
render_gpu);
switch (renderer_gpu_data->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 = {
.render_gpu = render_gpu,
.onscreen = onscreen,
.fb_id = fb_id
};
meta_logical_monitor_foreach_crtc (logical_monitor,
set_crtc_fb,
&data);
}
else
{
GList *l;
for (l = meta_gpu_get_crtcs (META_GPU (render_gpu)); l; l = l->next)
{
MetaCrtc *crtc = l->data;
meta_gpu_kms_apply_crtc_mode (render_gpu,
crtc,
crtc->rect.x, crtc->rect.y,
fb_id);
}
}
}
typedef struct _FlipCrtcData
{
CoglOnscreen *onscreen;
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,
data->flip_closure,
crtc, x, y,
&data->out_fb_in_use);
}
static void
meta_onscreen_native_flip_crtcs (CoglOnscreen *onscreen)
{
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaGpuKms *render_gpu = onscreen_native->render_gpu;
MetaRendererView *view = onscreen_native->view;
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__OBJECT);
/* 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 = onscreen,
.flip_closure = flip_closure,
};
meta_logical_monitor_foreach_crtc (logical_monitor,
flip_crtc,
&data);
fb_in_use = data.out_fb_in_use;
}
else
{
GList *l;
for (l = meta_gpu_get_crtcs (META_GPU (render_gpu)); l; l = l->next)
{
MetaCrtc *crtc = l->data;
meta_onscreen_native_flip_crtc (onscreen, 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->total_pending_flips == 0)
{
MetaRendererNative *renderer_native = onscreen_native->renderer_native;
MetaRendererNativeGpuData *renderer_gpu_data;
renderer_gpu_data = meta_renderer_native_get_gpu_data (renderer_native,
render_gpu);
switch (renderer_gpu_data->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 (MetaGpuKms *gpu_kms,
struct gbm_surface *gbm_surface,
struct gbm_bo **out_next_bo,
uint32_t *out_next_fb_id)
{
MetaRendererNative *renderer_native = meta_renderer_native_from_gpu (gpu_kms);
struct gbm_bo *next_bo;
uint32_t next_fb_id;
int kms_fd;
uint32_t handles[4] = { 0, };
uint32_t strides[4] = { 0, };
uint32_t offsets[4] = { 0, };
uint64_t modifiers[4] = { 0, };
int i;
/* Now we need to set the CRTC to whatever is the front buffer */
next_bo = gbm_surface_lock_front_buffer (gbm_surface);
for (i = 0; i < gbm_bo_get_plane_count (next_bo); i++)
{
strides[i] = gbm_bo_get_stride_for_plane (next_bo, i);
handles[i] = gbm_bo_get_handle_for_plane (next_bo, i).u32;
offsets[i] = gbm_bo_get_offset (next_bo, i);
modifiers[i] = gbm_bo_get_modifier (next_bo);
}
kms_fd = meta_gpu_kms_get_fd (gpu_kms);
if (renderer_native->use_modifiers &&
modifiers[0] != DRM_FORMAT_MOD_INVALID)
{
if (drmModeAddFB2WithModifiers (kms_fd,
gbm_bo_get_width (next_bo),
gbm_bo_get_height (next_bo),
gbm_bo_get_format (next_bo),
handles,
strides,
offsets,
modifiers,
&next_fb_id,
DRM_MODE_FB_MODIFIERS))
{
g_warning ("Failed to create new back buffer handle: %m");
gbm_surface_release_buffer (gbm_surface, next_bo);
return FALSE;
}
}
else if (drmModeAddFB2 (kms_fd,
gbm_bo_get_width (next_bo),
gbm_bo_get_height (next_bo),
gbm_bo_get_format (next_bo),
handles,
strides,
offsets,
&next_fb_id,
0))
{
if (drmModeAddFB (kms_fd,
gbm_bo_get_width (next_bo),
gbm_bo_get_height (next_bo),
24, /* depth */
32, /* bpp */
strides[0],
handles[0],
&next_fb_id))
{
g_warning ("Failed to create new back buffer handle: %m");
gbm_surface_release_buffer (gbm_surface, next_bo);
return FALSE;
}
}
*out_next_bo = next_bo;
*out_next_fb_id = next_fb_id;
return TRUE;
}
static void
wait_for_pending_flips (CoglOnscreen *onscreen)
{
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaOnscreenNativeSecondaryGpuState *secondary_gpu_state;
GHashTableIter iter;
g_hash_table_iter_init (&iter, onscreen_native->secondary_gpu_states);
while (g_hash_table_iter_next (&iter,
NULL,
(gpointer *) &secondary_gpu_state))
{
while (secondary_gpu_state->pending_flips)
meta_gpu_kms_wait_for_flip (secondary_gpu_state->gpu_kms, NULL);
}
while (onscreen_native->total_pending_flips)
meta_gpu_kms_wait_for_flip (onscreen_native->render_gpu, NULL);
}
static void
copy_shared_framebuffer_gpu (CoglOnscreen *onscreen,
MetaOnscreenNativeSecondaryGpuState *secondary_gpu_state,
MetaRendererNativeGpuData *renderer_gpu_data,
gboolean *egl_context_changed)
{
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaRendererNative *renderer_native = renderer_gpu_data->renderer_native;
MetaEgl *egl = meta_renderer_native_get_egl (renderer_native);
GError *error = NULL;
if (!meta_egl_make_current (egl,
renderer_gpu_data->egl_display,
secondary_gpu_state->egl_surface,
secondary_gpu_state->egl_surface,
renderer_gpu_data->secondary.egl_context,
&error))
{
g_warning ("Failed to make current: %s", error->message);
g_error_free (error);
return;
}
*egl_context_changed = TRUE;
if (!meta_renderer_native_gles3_blit_shared_bo (egl,
renderer_native->gles3,
renderer_gpu_data->egl_display,
renderer_gpu_data->secondary.egl_context,
secondary_gpu_state->egl_surface,
onscreen_native->gbm.next_bo,
&error))
{
g_warning ("Failed to blit shared framebuffer: %s", error->message);
g_error_free (error);
return;
}
if (!meta_egl_swap_buffers (egl,
renderer_gpu_data->egl_display,
secondary_gpu_state->egl_surface,
&error))
{
g_warning ("Failed to swap buffers: %s", error->message);
g_error_free (error);
return;
}
gbm_get_next_fb_id (secondary_gpu_state->gpu_kms,
secondary_gpu_state->gbm.surface,
&secondary_gpu_state->gbm.next_bo,
&secondary_gpu_state->gbm.next_fb_id);
}
static void
copy_shared_framebuffer_cpu (CoglOnscreen *onscreen,
MetaOnscreenNativeSecondaryGpuState *secondary_gpu_state,
MetaRendererNativeGpuData *renderer_gpu_data)
{
CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaRendererNative *renderer_native = onscreen_native->renderer_native;
MetaEgl *egl = meta_renderer_native_get_egl (renderer_native);
int width, height;
uint8_t *target_data;
uint32_t target_fb_id;
MetaDumbBuffer *next_dumb_fb;
MetaDumbBuffer *current_dumb_fb;
width = cogl_framebuffer_get_width (framebuffer);
height = cogl_framebuffer_get_height (framebuffer);
current_dumb_fb = secondary_gpu_state->cpu.dumb_fb;
if (current_dumb_fb == &secondary_gpu_state->cpu.dumb_fbs[0])
next_dumb_fb = &secondary_gpu_state->cpu.dumb_fbs[1];
else
next_dumb_fb = &secondary_gpu_state->cpu.dumb_fbs[0];
secondary_gpu_state->cpu.dumb_fb = next_dumb_fb;
target_data = secondary_gpu_state->cpu.dumb_fb->map;
target_fb_id = secondary_gpu_state->cpu.dumb_fb->fb_id;
meta_renderer_native_gles3_read_pixels (egl,
renderer_native->gles3,
width, height,
target_data);
secondary_gpu_state->gbm.next_fb_id = target_fb_id;
}
static void
update_secondary_gpu_state_pre_swap_buffers (CoglOnscreen *onscreen)
{
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
GHashTableIter iter;
MetaOnscreenNativeSecondaryGpuState *secondary_gpu_state;
g_hash_table_iter_init (&iter, onscreen_native->secondary_gpu_states);
while (g_hash_table_iter_next (&iter,
NULL,
(gpointer *) &secondary_gpu_state))
{
MetaRendererNativeGpuData *renderer_gpu_data;
renderer_gpu_data = secondary_gpu_state->renderer_gpu_data;
switch (renderer_gpu_data->secondary.copy_mode)
{
case META_SHARED_FRAMEBUFFER_COPY_MODE_GPU:
/* Done after eglSwapBuffers. */
break;
case META_SHARED_FRAMEBUFFER_COPY_MODE_CPU:
copy_shared_framebuffer_cpu (onscreen,
secondary_gpu_state,
renderer_gpu_data);
break;
}
}
}
static void
update_secondary_gpu_state_post_swap_buffers (CoglOnscreen *onscreen,
gboolean *egl_context_changed)
{
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaRendererNative *renderer_native = onscreen_native->renderer_native;
GHashTableIter iter;
MetaOnscreenNativeSecondaryGpuState *secondary_gpu_state;
g_hash_table_iter_init (&iter, onscreen_native->secondary_gpu_states);
while (g_hash_table_iter_next (&iter,
NULL,
(gpointer *) &secondary_gpu_state))
{
MetaRendererNativeGpuData *renderer_gpu_data;
renderer_gpu_data =
meta_renderer_native_get_gpu_data (renderer_native,
secondary_gpu_state->gpu_kms);
switch (renderer_gpu_data->secondary.copy_mode)
{
case META_SHARED_FRAMEBUFFER_COPY_MODE_GPU:
copy_shared_framebuffer_gpu (onscreen,
secondary_gpu_state,
renderer_gpu_data,
egl_context_changed);
break;
case META_SHARED_FRAMEBUFFER_COPY_MODE_CPU:
/* Done before eglSwapBuffers. */
break;
}
}
}
static void
meta_onscreen_native_swap_buffers_with_damage (CoglOnscreen *onscreen,
const int *rectangles,
int n_rectangles)
{
CoglContext *cogl_context = COGL_FRAMEBUFFER (onscreen)->context;
CoglDisplay *cogl_display = cogl_context_get_display (cogl_context);
CoglRenderer *cogl_renderer = cogl_context->display->renderer;
CoglRendererEGL *cogl_renderer_egl = cogl_renderer->winsys;
MetaRendererNativeGpuData *renderer_gpu_data = cogl_renderer_egl->platform;
MetaRendererNative *renderer_native = renderer_gpu_data->renderer_native;
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaGpuKms *render_gpu = onscreen_native->render_gpu;
CoglFrameInfo *frame_info;
gboolean egl_context_changed = FALSE;
frame_info = g_queue_peek_tail (&onscreen->pending_frame_infos);
frame_info->global_frame_counter = renderer_native->frame_counter;
update_secondary_gpu_state_pre_swap_buffers (onscreen);
parent_vtable->onscreen_swap_buffers_with_damage (onscreen,
rectangles,
n_rectangles);
/*
* 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.
*/
wait_for_pending_flips (onscreen);
renderer_gpu_data = meta_renderer_native_get_gpu_data (renderer_native,
render_gpu);
switch (renderer_gpu_data->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 (render_gpu,
onscreen_native->gbm.surface,
&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
}
update_secondary_gpu_state_post_swap_buffers (onscreen, &egl_context_changed);
/* 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);
onscreen_native->pending_set_crtc = FALSE;
}
onscreen_native->pending_queue_swap_notify_frame_count = renderer_native->frame_counter;
meta_onscreen_native_flip_crtcs (onscreen);
/*
* If we changed EGL context, cogl will have the wrong idea about what is
* current, making it fail to set it when it needs to. Avoid that by making
* EGL_NO_CONTEXT current now, making cogl eventually set the correct
* context.
*/
if (egl_context_changed)
{
_cogl_winsys_egl_make_current (cogl_display,
EGL_NO_SURFACE,
EGL_NO_SURFACE,
EGL_NO_CONTEXT);
}
}
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 *cogl_renderer_egl = cogl_renderer->winsys;
MetaRendererNativeGpuData *renderer_gpu_data = cogl_renderer_egl->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_gpu_data->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
should_surface_be_sharable (CoglOnscreen *onscreen)
{
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaRendererNative *renderer_native = onscreen_native->renderer_native;
CoglContext *cogl_context = COGL_FRAMEBUFFER (onscreen)->context;
CoglRenderer *cogl_renderer = cogl_context->display->renderer;
CoglRendererEGL *cogl_renderer_egl = cogl_renderer->winsys;
MetaRendererNativeGpuData *renderer_gpu_data = cogl_renderer_egl->platform;
GList *l;
if (!onscreen_native->logical_monitor)
return FALSE;
for (l = meta_logical_monitor_get_monitors (onscreen_native->logical_monitor);
l;
l = l->next)
{
MetaMonitor *monitor = l->data;
MetaGpuKms *gpu_kms = META_GPU_KMS (meta_monitor_get_gpu (monitor));
if (renderer_gpu_data != meta_renderer_native_get_gpu_data (renderer_native,
gpu_kms))
return TRUE;
}
return FALSE;
}
static gboolean
meta_renderer_native_create_surface_gbm (CoglOnscreen *onscreen,
int width,
int height,
struct gbm_surface **gbm_surface,
EGLSurface *egl_surface,
GError **error)
{
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaRendererNative *renderer_native = onscreen_native->renderer_native;
MetaEgl *egl = meta_onscreen_native_get_egl (onscreen_native);
CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
CoglContext *cogl_context = framebuffer->context;
CoglDisplay *cogl_display = cogl_context->display;
CoglDisplayEGL *cogl_display_egl = cogl_display->winsys;
CoglRenderer *cogl_renderer = cogl_display->renderer;
CoglRendererEGL *cogl_renderer_egl = cogl_renderer->winsys;
MetaRendererNativeGpuData *renderer_gpu_data = cogl_renderer_egl->platform;
struct gbm_surface *new_gbm_surface = NULL;
EGLNativeWindowType egl_native_window;
EGLSurface new_egl_surface;
uint32_t format = GBM_FORMAT_XRGB8888;
GArray *modifiers;
renderer_gpu_data =
meta_renderer_native_get_gpu_data (renderer_native,
onscreen_native->render_gpu);
if (renderer_native->use_modifiers)
modifiers = get_supported_modifiers (onscreen, format);
else
modifiers = NULL;
if (modifiers)
{
new_gbm_surface =
gbm_surface_create_with_modifiers (renderer_gpu_data->gbm.device,
width, height, format,
(uint64_t *) modifiers->data,
modifiers->len);
g_array_free (modifiers, TRUE);
}
if (!new_gbm_surface)
{
uint32_t flags = GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING;
if (should_surface_be_sharable (onscreen))
flags |= GBM_BO_USE_LINEAR;
new_gbm_surface = gbm_surface_create (renderer_gpu_data->gbm.device,
width, height,
format,
flags);
}
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 =
meta_egl_create_window_surface (egl,
cogl_renderer_egl->edpy,
cogl_display_egl->egl_config,
egl_native_window,
NULL,
error);
if (new_egl_surface == EGL_NO_SURFACE)
{
gbm_surface_destroy (new_gbm_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 (CoglOnscreen *onscreen,
MetaLogicalMonitor *logical_monitor,
int width,
int height,
EGLStreamKHR *out_egl_stream,
EGLSurface *out_egl_surface,
GError **error)
{
CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
CoglContext *cogl_context = framebuffer->context;
CoglDisplay *cogl_display = cogl_context->display;
CoglDisplayEGL *cogl_display_egl = cogl_display->winsys;
CoglRenderer *cogl_renderer = cogl_display->renderer;
CoglRendererEGL *cogl_renderer_egl = cogl_renderer->winsys;
MetaRendererNativeGpuData *renderer_gpu_data = cogl_renderer_egl->platform;
MetaEgl *egl =
meta_renderer_native_get_egl (renderer_gpu_data->renderer_native);
EGLDisplay egl_display = renderer_gpu_data->egl_display;
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_display_egl->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;
}
#endif /* HAVE_EGL_DEVICE */
static gboolean
init_dumb_fb (MetaDumbBuffer *dumb_fb,
MetaGpuKms *gpu_kms,
int width,
int height,
uint32_t format,
GError **error)
{
MetaRendererNative *renderer_native = meta_renderer_native_from_gpu (gpu_kms);
MetaRendererNativeGpuData *renderer_gpu_data;
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_gpu_kms_get_fd (gpu_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;
}
renderer_gpu_data = meta_renderer_native_get_gpu_data (renderer_native,
gpu_kms);
if (!renderer_gpu_data->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, format,
handles, pitches, offsets,
&fb_id, 0) != 0)
{
g_warning ("drmModeAddFB2 failed (%s), falling back to drmModeAddFB",
g_strerror (errno));
renderer_gpu_data->no_add_fb2 = TRUE;
}
}
if (renderer_gpu_data->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;
}
dumb_fb->fb_id = fb_id;
dumb_fb->handle = create_arg.handle;
dumb_fb->map = map;
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 (MetaDumbBuffer *dumb_fb,
MetaGpuKms *gpu_kms)
{
struct drm_mode_destroy_dumb destroy_arg;
int kms_fd;
if (!dumb_fb->map)
return;
munmap (dumb_fb->map, dumb_fb->map_size);
dumb_fb->map = NULL;
kms_fd = meta_gpu_kms_get_fd (gpu_kms);
drmModeRmFB (kms_fd, dumb_fb->fb_id);
destroy_arg = (struct drm_mode_destroy_dumb) {
.handle = dumb_fb->handle
};
drmIoctl (kms_fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_arg);
}
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 *cogl_display_egl = cogl_display->winsys;
CoglOnscreenEGL *onscreen_egl;
MetaOnscreenNative *onscreen_native;
_COGL_RETURN_VAL_IF_FAIL (cogl_display_egl->egl_context, FALSE);
onscreen->winsys = g_slice_new0 (CoglOnscreenEGL);
onscreen_egl = onscreen->winsys;
onscreen_native = g_slice_new0 (MetaOnscreenNative);
onscreen_egl->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);
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
MetaRendererNativeGpuData *renderer_gpu_data;
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;
renderer_gpu_data =
meta_renderer_native_get_gpu_data (onscreen_native->renderer_native,
onscreen_native->render_gpu);
switch (renderer_gpu_data->mode)
{
case META_RENDERER_NATIVE_MODE_GBM:
if (!meta_renderer_native_create_surface_gbm (onscreen,
width, height,
&gbm_surface,
&egl_surface,
error))
return FALSE;
onscreen_native->gbm.surface = gbm_surface;
onscreen_egl->egl_surface = egl_surface;
break;
#ifdef HAVE_EGL_DEVICE
case META_RENDERER_NATIVE_MODE_EGL_DEVICE:
if (!init_dumb_fb (&onscreen_native->egl.dumb_fb,
onscreen_native->render_gpu,
width, height,
GBM_FORMAT_XRGB8888,
error))
return FALSE;
view = onscreen_native->view;
logical_monitor = meta_renderer_view_get_logical_monitor (view);
if (!meta_renderer_native_create_surface_egl_device (onscreen,
logical_monitor,
width, height,
&egl_stream,
&egl_surface,
error))
return FALSE;
onscreen_native->egl.stream = egl_stream;
onscreen_egl->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 *cogl_renderer_egl = cogl_renderer->winsys;
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native;
MetaRendererNativeGpuData *renderer_gpu_data;
/* If we never successfully allocated then there's nothing to do */
if (onscreen_egl == NULL)
return;
onscreen_native = onscreen_egl->platform;
if (onscreen_egl->egl_surface != EGL_NO_SURFACE)
{
MetaEgl *egl = meta_onscreen_native_get_egl (onscreen_native);
meta_egl_destroy_surface (egl,
cogl_renderer_egl->edpy,
onscreen_egl->egl_surface,
NULL);
onscreen_egl->egl_surface = EGL_NO_SURFACE;
}
renderer_gpu_data =
meta_renderer_native_get_gpu_data (onscreen_native->renderer_native,
onscreen_native->render_gpu);
switch (renderer_gpu_data->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 (&onscreen_native->egl.dumb_fb,
onscreen_native->render_gpu);
if (onscreen_native->egl.stream != EGL_NO_STREAM_KHR)
{
MetaEgl *egl = meta_onscreen_native_get_egl (onscreen_native);
meta_egl_destroy_stream (egl,
cogl_renderer_egl->edpy,
onscreen_native->egl.stream,
NULL);
onscreen_native->egl.stream = EGL_NO_STREAM_KHR;
}
break;
#endif /* HAVE_EGL_DEVICE */
}
g_hash_table_destroy (onscreen_native->secondary_gpu_states);
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,
.choose_config = meta_renderer_native_choose_egl_config,
.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
};
gboolean
meta_renderer_native_supports_mirroring (MetaRendererNative *renderer_native)
{
MetaMonitorManager *monitor_manager =
META_MONITOR_MANAGER (renderer_native->monitor_manager_kms);
GList *l;
for (l = monitor_manager->gpus; l; l = l->next)
{
MetaGpuKms *gpu_kms = META_GPU_KMS (l->data);
MetaRendererNativeGpuData *renderer_gpu_data;
renderer_gpu_data = meta_renderer_native_get_gpu_data (renderer_native,
gpu_kms);
switch (renderer_gpu_data->mode)
{
case META_RENDERER_NATIVE_MODE_GBM:
break;
#ifdef HAVE_EGL_DEVICE
case META_RENDERER_NATIVE_MODE_EGL_DEVICE:
return FALSE;
#endif
}
}
return TRUE;
}
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 *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
onscreen_native->pending_set_crtc = TRUE;
}
renderer_native->pending_unset_disabled_crtcs = TRUE;
}
static CoglOnscreen *
meta_renderer_native_create_onscreen (MetaRendererNative *renderer_native,
MetaGpuKms *render_gpu,
MetaLogicalMonitor *logical_monitor,
CoglContext *context,
MetaMonitorTransform transform,
gint view_width,
gint view_height,
GError **error)
{
CoglOnscreen *onscreen;
CoglOnscreenEGL *onscreen_egl;
MetaOnscreenNative *onscreen_native;
gint width, height;
GList *l;
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))
{
cogl_object_unref (onscreen);
return NULL;
}
onscreen_egl = onscreen->winsys;
onscreen_native = onscreen_egl->platform;
onscreen_native->renderer_native = renderer_native;
onscreen_native->render_gpu = render_gpu;
onscreen_native->logical_monitor = logical_monitor;
onscreen_native->secondary_gpu_states =
g_hash_table_new_full (NULL, NULL,
NULL,
(GDestroyNotify) secondary_gpu_state_free);
for (l = meta_logical_monitor_get_monitors (logical_monitor); l; l = l->next)
{
MetaMonitor *monitor = l->data;
MetaGpuKms *gpu_kms = META_GPU_KMS (meta_monitor_get_gpu (monitor));
if (gpu_kms == render_gpu)
continue;
if (get_secondary_gpu_state (onscreen, gpu_kms))
continue;
if (!init_secondary_gpu_state (renderer_native, onscreen, gpu_kms, error))
{
cogl_object_unref (onscreen);
return NULL;
}
}
return onscreen;
}
static CoglOffscreen *
meta_renderer_native_create_offscreen (MetaRendererNative *renderer,
CoglContext *context,
MetaMonitorTransform transform,
gint view_width,
gint view_height,
GError **error)
{
CoglOffscreen *fb;
CoglTexture2D *tex;
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))
{
cogl_object_unref (fb);
return FALSE;
}
return fb;
}
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 *
create_cogl_renderer_for_gpu (MetaGpuKms *gpu_kms)
{
CoglRenderer *cogl_renderer;
cogl_renderer = cogl_renderer_new ();
cogl_renderer_set_custom_winsys (cogl_renderer,
get_native_cogl_winsys_vtable,
gpu_kms);
return cogl_renderer;
}
static CoglRenderer *
meta_renderer_native_create_cogl_renderer (MetaRenderer *renderer)
{
MetaRendererNative *renderer_native = META_RENDERER_NATIVE (renderer);
MetaMonitorManagerKms *monitor_manager_kms =
renderer_native->monitor_manager_kms;
MetaGpuKms *primary_gpu =
meta_monitor_manager_kms_get_primary_gpu (monitor_manager_kms);
return create_cogl_renderer_for_gpu (primary_gpu);
}
static void
meta_onscreen_native_set_view (CoglOnscreen *onscreen,
MetaRendererView *view)
{
CoglOnscreenEGL *onscreen_egl;
MetaOnscreenNative *onscreen_native;
onscreen_egl = onscreen->winsys;
onscreen_native = onscreen_egl->platform;
onscreen_native->view = view;
}
static MetaMonitorTransform
calculate_view_transform (MetaMonitorManager *monitor_manager,
MetaLogicalMonitor *logical_monitor)
{
MetaMonitor *main_monitor;
MetaOutput *main_output;
MetaMonitorTransform crtc_transform;
main_monitor = meta_logical_monitor_get_monitors (logical_monitor)->data;
main_output = meta_monitor_get_main_output (main_monitor);
crtc_transform =
meta_monitor_logical_to_crtc_transform (main_monitor,
logical_monitor->transform);
/*
* 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,
crtc_transform))
return META_MONITOR_TRANSFORM_NORMAL;
else
return crtc_transform;
}
static MetaRendererView *
meta_renderer_native_create_view (MetaRenderer *renderer,
MetaLogicalMonitor *logical_monitor)
{
MetaRendererNative *renderer_native = META_RENDERER_NATIVE (renderer);
MetaMonitorManagerKms *monitor_manager_kms =
renderer_native->monitor_manager_kms;
MetaMonitorManager *monitor_manager =
META_MONITOR_MANAGER (monitor_manager_kms);
MetaBackend *backend = meta_monitor_manager_get_backend (monitor_manager);
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);
MetaGpuKms *primary_gpu;
CoglDisplayEGL *cogl_display_egl;
CoglOnscreenEGL *onscreen_egl;
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);
primary_gpu = meta_monitor_manager_kms_get_primary_gpu (monitor_manager_kms);
onscreen = meta_renderer_native_create_onscreen (renderer_native,
primary_gpu,
logical_monitor,
cogl_context,
view_transform,
width,
height,
&error);
if (!onscreen)
g_error ("Failed to allocate onscreen framebuffer: %s", error->message);
if (view_transform != META_MONITOR_TRANSFORM_NORMAL)
{
offscreen = meta_renderer_native_create_offscreen (renderer_native,
cogl_context,
view_transform,
width,
height,
&error);
if (!offscreen)
g_error ("Failed to allocate back buffer texture: %s", error->message);
}
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 */
onscreen_egl = onscreen->winsys;
cogl_display_egl = cogl_display->winsys;
_cogl_winsys_egl_make_current (cogl_display,
onscreen_egl->egl_surface,
onscreen_egl->egl_surface,
cogl_display_egl->egl_context);
return view;
}
void
meta_renderer_native_finish_frame (MetaRendererNative *renderer_native)
{
renderer_native->frame_counter++;
if (renderer_native->pending_unset_disabled_crtcs)
{
MetaMonitorManager *monitor_manager =
META_MONITOR_MANAGER (renderer_native->monitor_manager_kms);
GList *l;
for (l = meta_monitor_manager_get_gpus (monitor_manager); l; l = l->next)
{
MetaGpu *gpu = l->data;
MetaGpuKms *gpu_kms = META_GPU_KMS (gpu);
GList *k;
for (k = meta_gpu_get_crtcs (gpu); k; k = k->next)
{
MetaCrtc *crtc = k->data;
if (crtc->current_mode)
continue;
meta_gpu_kms_apply_crtc_mode (gpu_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 gboolean
create_secondary_egl_config (MetaEgl *egl,
EGLDisplay egl_display,
EGLConfig *egl_config,
GError **error)
{
EGLint attributes[] = {
EGL_RED_SIZE, 1,
EGL_GREEN_SIZE, 1,
EGL_BLUE_SIZE, 1,
EGL_ALPHA_SIZE, EGL_DONT_CARE,
EGL_BUFFER_SIZE, EGL_DONT_CARE,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES3_BIT,
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_NONE
};
return choose_egl_config_from_gbm_format (egl,
egl_display,
attributes,
GBM_FORMAT_XRGB8888,
egl_config,
error);
}
static EGLContext
create_secondary_egl_context (MetaEgl *egl,
EGLDisplay egl_display,
EGLConfig egl_config,
GError **error)
{
EGLint attributes[] = {
EGL_CONTEXT_CLIENT_VERSION, 3,
EGL_NONE
};
return meta_egl_create_context (egl,
egl_display,
egl_config,
EGL_NO_CONTEXT,
attributes,
error);
}
static void
meta_renderer_native_ensure_gles3 (MetaRendererNative *renderer_native)
{
MetaEgl *egl = meta_renderer_native_get_egl (renderer_native);
if (renderer_native->gles3)
return;
renderer_native->gles3 = meta_gles3_new (egl);
}
static gboolean
init_secondary_gpu_data_gpu (MetaRendererNativeGpuData *renderer_gpu_data,
GError **error)
{
MetaRendererNative *renderer_native = renderer_gpu_data->renderer_native;
MetaEgl *egl = meta_renderer_native_get_egl (renderer_native);
EGLDisplay egl_display = renderer_gpu_data->egl_display;
EGLConfig egl_config;
EGLContext egl_context;
char **missing_gl_extensions;
if (!create_secondary_egl_config (egl,egl_display, &egl_config, error))
return FALSE;
egl_context = create_secondary_egl_context (egl, egl_display, egl_config, error);
if (egl_context == EGL_NO_CONTEXT)
return FALSE;
meta_renderer_native_ensure_gles3 (renderer_native);
if (!meta_egl_make_current (egl,
egl_display,
EGL_NO_SURFACE,
EGL_NO_SURFACE,
egl_context,
error))
{
meta_egl_destroy_context (egl, egl_display, egl_context, NULL);
return FALSE;
}
if (!meta_gles3_has_extensions (renderer_native->gles3,
&missing_gl_extensions,
"GL_OES_EGL_image_external",
NULL))
{
char *missing_gl_extensions_str;
missing_gl_extensions_str = g_strjoinv (", ", missing_gl_extensions);
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Missing OpenGL ES extensions: %s",
missing_gl_extensions_str);
g_free (missing_gl_extensions_str);
g_free (missing_gl_extensions);
}
renderer_gpu_data->secondary.egl_context = egl_context;
renderer_gpu_data->secondary.egl_config = egl_config;
renderer_gpu_data->secondary.copy_mode = META_SHARED_FRAMEBUFFER_COPY_MODE_GPU;
return TRUE;
}
static void
init_secondary_gpu_data_cpu (MetaRendererNativeGpuData *renderer_gpu_data)
{
renderer_gpu_data->secondary.copy_mode = META_SHARED_FRAMEBUFFER_COPY_MODE_CPU;
}
static void
init_secondary_gpu_data (MetaRendererNativeGpuData *renderer_gpu_data)
{
GError *error = NULL;
if (init_secondary_gpu_data_gpu (renderer_gpu_data, &error))
return;
g_warning ("Failed to initialize accelerated iGPU/dGPU framebuffer sharing: %s",
error->message);
g_error_free (error);
init_secondary_gpu_data_cpu (renderer_gpu_data);
}
static MetaRendererNativeGpuData *
create_renderer_gpu_data_gbm (MetaRendererNative *renderer_native,
MetaGpuKms *gpu_kms,
GError **error)
{
MetaMonitorManagerKms *monitor_manager_kms;
MetaEgl *egl = meta_renderer_native_get_egl (renderer_native);
struct gbm_device *gbm_device;
EGLDisplay egl_display;
int kms_fd;
MetaRendererNativeGpuData *renderer_gpu_data;
MetaGpuKms *primary_gpu;
if (!meta_egl_has_extensions (egl, EGL_NO_DISPLAY, NULL,
"EGL_MESA_platform_gbm",
NULL) &&
!meta_egl_has_extensions (egl, EGL_NO_DISPLAY, NULL,
"EGL_KHR_platform_gbm",
NULL))
{
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
"Missing extension for GBM renderer: EGL_KHR_platform_gbm");
return NULL;
}
kms_fd = meta_gpu_kms_get_fd (gpu_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 NULL;
}
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 NULL;
}
if (!meta_egl_initialize (egl, egl_display, error))
return NULL;
renderer_gpu_data = meta_create_renderer_native_gpu_data (gpu_kms);
renderer_gpu_data->renderer_native = renderer_native;
renderer_gpu_data->gbm.device = gbm_device;
renderer_gpu_data->mode = META_RENDERER_NATIVE_MODE_GBM;
renderer_gpu_data->egl_display = egl_display;
monitor_manager_kms = renderer_native->monitor_manager_kms;
primary_gpu = meta_monitor_manager_kms_get_primary_gpu (monitor_manager_kms);
if (gpu_kms != primary_gpu)
init_secondary_gpu_data (renderer_gpu_data);
return renderer_gpu_data;
}
#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,
MetaGpuKms *gpu_kms,
GError **error)
{
MetaEgl *egl = meta_renderer_native_get_egl (renderer_native);
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_gpu_kms_get_file_path (gpu_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,
MetaGpuKms *gpu_kms,
EGLDeviceEXT egl_device,
GError **error)
{
MetaEgl *egl = meta_renderer_native_get_egl (renderer_native);
int kms_fd = meta_gpu_kms_get_fd (gpu_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 MetaRendererNativeGpuData *
create_renderer_gpu_data_egl_device (MetaRendererNative *renderer_native,
MetaGpuKms *gpu_kms,
GError **error)
{
MetaMonitorManagerKms *monitor_manager_kms =
renderer_native->monitor_manager_kms;
MetaEgl *egl = meta_renderer_native_get_egl (renderer_native);
MetaGpuKms *primary_gpu;
char **missing_extensions;
EGLDeviceEXT egl_device;
EGLDisplay egl_display;
MetaRendererNativeGpuData *renderer_gpu_data;
if (!meta_is_stage_views_enabled())
{
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
"EGLDevice requires stage views enabled");
return NULL;
}
primary_gpu = meta_monitor_manager_kms_get_primary_gpu (monitor_manager_kms);
if (gpu_kms != primary_gpu)
{
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
"EGLDevice currently only works with single GPU systems");
return NULL;
}
egl_device = find_egl_device (renderer_native, gpu_kms, error);
if (egl_device == EGL_NO_DEVICE_EXT)
return NULL;
egl_display = get_egl_device_display (renderer_native, gpu_kms,
egl_device, error);
if (egl_display == EGL_NO_DISPLAY)
return NULL;
if (!meta_egl_initialize (egl, egl_display, error))
return NULL;
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 NULL;
}
renderer_gpu_data = meta_create_renderer_native_gpu_data (gpu_kms);
renderer_gpu_data->renderer_native = renderer_native;
renderer_gpu_data->egl.device = egl_device;
renderer_gpu_data->mode = META_RENDERER_NATIVE_MODE_EGL_DEVICE;
renderer_gpu_data->egl_display = egl_display;
return renderer_gpu_data;
}
#endif /* HAVE_EGL_DEVICE */
static MetaRendererNativeGpuData *
meta_renderer_native_create_renderer_gpu_data (MetaRendererNative *renderer_native,
MetaGpuKms *gpu_kms,
GError **error)
{
MetaRendererNativeGpuData *renderer_gpu_data;
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)
*/
renderer_gpu_data = create_renderer_gpu_data_egl_device (renderer_native,
gpu_kms,
&egl_device_error);
if (renderer_gpu_data)
return renderer_gpu_data;
#endif
renderer_gpu_data = create_renderer_gpu_data_gbm (renderer_native,
gpu_kms,
&gbm_error);
if (renderer_gpu_data)
{
#ifdef HAVE_EGL_DEVICE
g_error_free (egl_device_error);
#endif
return renderer_gpu_data;
}
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 NULL;
}
static gboolean
meta_renderer_native_initable_init (GInitable *initable,
GCancellable *cancellable,
GError **error)
{
MetaRendererNative *renderer_native = META_RENDERER_NATIVE (initable);
MetaMonitorManagerKms *monitor_manager_kms =
renderer_native->monitor_manager_kms;
MetaMonitorManager *monitor_manager =
META_MONITOR_MANAGER (monitor_manager_kms);
GList *gpus;
GList *l;
gpus = meta_monitor_manager_get_gpus (monitor_manager);
for (l = gpus; l; l = l->next)
{
MetaGpuKms *gpu_kms = META_GPU_KMS (l->data);
MetaRendererNativeGpuData *renderer_gpu_data;
renderer_gpu_data =
meta_renderer_native_create_renderer_gpu_data (renderer_native,
gpu_kms,
error);
if (!renderer_gpu_data)
return FALSE;
g_hash_table_insert (renderer_native->gpu_datas,
gpu_kms,
renderer_gpu_data);
}
return TRUE;
}
static void
initable_iface_init (GInitableIface *initable_iface)
{
initable_iface->init = meta_renderer_native_initable_init;
}
static void
meta_renderer_native_finalize (GObject *object)
{
MetaRendererNative *renderer_native = META_RENDERER_NATIVE (object);
g_hash_table_destroy (renderer_native->gpu_datas);
g_clear_object (&renderer_native->gles3);
G_OBJECT_CLASS (meta_renderer_native_parent_class)->finalize (object);
}
static void
meta_renderer_native_constructed (GObject *object)
{
MetaRendererNative *renderer_native = META_RENDERER_NATIVE (object);
MetaMonitorManager *monitor_manager =
META_MONITOR_MANAGER (renderer_native->monitor_manager_kms);
MetaBackend *backend = meta_monitor_manager_get_backend (monitor_manager);
MetaSettings *settings = meta_backend_get_settings (backend);
if (meta_settings_is_experimental_feature_enabled (
settings, META_EXPERIMENTAL_FEATURE_KMS_MODIFIERS))
renderer_native->use_modifiers = TRUE;
G_OBJECT_CLASS (meta_renderer_native_parent_class)->constructed (object);
}
static void
meta_renderer_native_init (MetaRendererNative *renderer_native)
{
renderer_native->gpu_datas =
g_hash_table_new_full (NULL, NULL,
NULL,
(GDestroyNotify) meta_renderer_native_gpu_data_free);
}
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;
object_class->constructed = meta_renderer_native_constructed;
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)
{
return g_initable_new (META_TYPE_RENDERER_NATIVE,
NULL,
error,
"monitor-manager", monitor_manager_kms,
NULL);
}
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