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mutter/src/backends/native/meta-renderer-native.c
Jonas Ådahl 19c4667d6a renderer/native: Downgrade warning to message about no hw-accel dGPU path 
Warnings should be for errors, not non-optimal system configurations.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1698>
2021-03-12 15:09:45 +00:00

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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2011 Intel Corporation.
* Copyright (C) 2016 Red Hat
* Copyright (c) 2018,2019 DisplayLink (UK) Ltd.
*
* 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 <drm_fourcc.h>
#include <errno.h>
#include <gbm.h>
#include <gio/gio.h>
#include <glib-object.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "backends/meta-gles3.h"
#include "backends/meta-logical-monitor.h"
#include "backends/native/meta-cogl-utils.h"
#include "backends/native/meta-crtc-kms.h"
#include "backends/native/meta-kms-device.h"
#include "backends/native/meta-kms.h"
#include "backends/native/meta-onscreen-native.h"
#include "backends/native/meta-renderer-native-private.h"
#include "cogl/cogl.h"
#include "core/boxes-private.h"
#ifndef EGL_DRM_MASTER_FD_EXT
#define EGL_DRM_MASTER_FD_EXT 0x333C
#endif
/* added in libdrm 2.4.95 */
#ifndef DRM_FORMAT_INVALID
#define DRM_FORMAT_INVALID 0
#endif
struct _MetaRendererNative
{
MetaRenderer parent;
MetaGpuKms *primary_gpu_kms;
MetaGles3 *gles3;
gboolean use_modifiers;
GHashTable *gpu_datas;
GList *pending_mode_set_views;
gboolean pending_mode_set;
GList *kept_alive_onscreens;
GList *power_save_page_flip_onscreens;
guint power_save_page_flip_source_id;
};
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_queue_modes_reset (MetaRendererNative *renderer_native);
const CoglWinsysVtable *
meta_get_renderer_native_parent_vtable (void)
{
return parent_vtable;
}
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);
}
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)
{
MetaBackend *backend = meta_gpu_get_backend (META_GPU (gpu_kms));
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;
}
MetaGpuKms *
meta_renderer_native_get_primary_gpu (MetaRendererNative *renderer_native)
{
return renderer_native->primary_gpu_kms;
}
static MetaRendererNativeGpuData *
meta_create_renderer_native_gpu_data (MetaGpuKms *gpu_kms)
{
return g_new0 (MetaRendererNativeGpuData, 1);
}
MetaEgl *
meta_renderer_native_get_egl (MetaRendererNative *renderer_native)
{
MetaRenderer *renderer = META_RENDERER (renderer_native);
return meta_backend_get_egl (meta_renderer_get_backend (renderer));
}
gboolean
meta_renderer_native_use_modifiers (MetaRendererNative *renderer_native)
{
return renderer_native->use_modifiers;
}
MetaGles3 *
meta_renderer_native_get_gles3 (MetaRendererNative *renderer_native)
{
return renderer_native->gles3;
}
gboolean
meta_renderer_native_has_pending_mode_sets (MetaRendererNative *renderer_native)
{
return !!renderer_native->pending_mode_set_views;
}
gboolean
meta_renderer_native_has_pending_mode_set (MetaRendererNative *renderer_native)
{
return renderer_native->pending_mode_set;
}
static void
meta_renderer_native_disconnect (CoglRenderer *cogl_renderer)
{
CoglRendererEGL *cogl_renderer_egl = cogl_renderer->winsys;
g_free (cogl_renderer_egl);
}
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_new0 (CoglRendererEGL, 1);
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,
const 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);
MetaRendererNativeGpuData *renderer_gpu_data = cogl_renderer_egl->platform;
EGLDisplay egl_display = cogl_renderer_egl->edpy;
switch (renderer_gpu_data->mode)
{
case META_RENDERER_NATIVE_MODE_GBM:
return choose_egl_config_from_gbm_format (egl,
egl_display,
attributes,
GBM_FORMAT_XRGB8888,
out_config,
error);
#ifdef HAVE_EGL_DEVICE
case META_RENDERER_NATIVE_MODE_EGL_DEVICE:
return meta_egl_choose_first_config (egl,
egl_display,
attributes,
out_config,
error);
#endif
}
return FALSE;
}
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))
{
g_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 CoglContext *
cogl_context_from_renderer_native (MetaRendererNative *renderer_native)
{
MetaRenderer *renderer = META_RENDERER (renderer_native);
MetaBackend *backend = meta_renderer_get_backend (renderer);
ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
return clutter_backend_get_cogl_context (clutter_backend);
}
CoglFramebuffer *
meta_renderer_native_create_dma_buf_framebuffer (MetaRendererNative *renderer_native,
int dmabuf_fd,
uint32_t width,
uint32_t height,
uint32_t stride,
uint32_t offset,
uint64_t modifier,
uint32_t drm_format,
GError **error)
{
CoglContext *cogl_context =
cogl_context_from_renderer_native (renderer_native);
CoglDisplay *cogl_display = cogl_context->display;
CoglRenderer *cogl_renderer = cogl_display->renderer;
CoglRendererEGL *cogl_renderer_egl = cogl_renderer->winsys;
EGLDisplay egl_display = cogl_renderer_egl->edpy;
MetaEgl *egl = meta_renderer_native_get_egl (renderer_native);
EGLImageKHR egl_image;
uint32_t strides[1];
uint32_t offsets[1];
uint64_t modifiers[1];
CoglPixelFormat cogl_format;
CoglEglImageFlags flags;
CoglTexture2D *cogl_tex;
CoglOffscreen *cogl_fbo;
int ret;
ret = meta_cogl_pixel_format_from_drm_format (drm_format,
&cogl_format,
NULL);
g_assert (ret);
strides[0] = stride;
offsets[0] = offset;
modifiers[0] = modifier;
egl_image = meta_egl_create_dmabuf_image (egl,
egl_display,
width,
height,
drm_format,
1 /* n_planes */,
&dmabuf_fd,
strides,
offsets,
modifiers,
error);
if (egl_image == EGL_NO_IMAGE_KHR)
return NULL;
flags = COGL_EGL_IMAGE_FLAG_NO_GET_DATA;
cogl_tex = cogl_egl_texture_2d_new_from_image (cogl_context,
width,
height,
cogl_format,
egl_image,
flags,
error);
meta_egl_destroy_image (egl, egl_display, egl_image, NULL);
if (!cogl_tex)
return NULL;
cogl_fbo = cogl_offscreen_new_with_texture (COGL_TEXTURE (cogl_tex));
cogl_object_unref (cogl_tex);
if (!cogl_framebuffer_allocate (COGL_FRAMEBUFFER (cogl_fbo), error))
{
g_object_unref (cogl_fbo);
return NULL;
}
return COGL_FRAMEBUFFER (cogl_fbo);
}
static MetaKmsDevice *
kms_device_from_view (MetaRendererView *view)
{
MetaCrtc *crtc = meta_renderer_view_get_crtc (view);
MetaCrtcKms *crtc_kms = META_CRTC_KMS (crtc);
MetaKmsCrtc *kms_crtc = meta_crtc_kms_get_kms_crtc (crtc_kms);
return meta_kms_crtc_get_device (kms_crtc);
}
static MetaGpu *
gpu_from_view (MetaRendererView *view)
{
MetaCrtc *crtc = meta_renderer_view_get_crtc (view);
return meta_crtc_get_gpu (crtc);
}
static void
configure_disabled_crtcs (MetaGpu *gpu,
MetaKmsUpdate *kms_update)
{
GList *l;
for (l = meta_gpu_get_crtcs (gpu); l; l = l->next)
{
MetaCrtc *crtc = l->data;
MetaKmsCrtc *kms_crtc;
if (meta_crtc_get_config (crtc))
continue;
kms_crtc = meta_crtc_kms_get_kms_crtc (META_CRTC_KMS (crtc));
if (!meta_kms_crtc_is_active (kms_crtc))
continue;
meta_kms_update_mode_set (kms_update, kms_crtc, NULL, NULL);
}
}
static gboolean
dummy_power_save_page_flip_cb (gpointer user_data)
{
MetaRendererNative *renderer_native = user_data;
g_list_foreach (renderer_native->power_save_page_flip_onscreens,
(GFunc) meta_onscreen_native_dummy_power_save_page_flip,
NULL);
g_list_free_full (renderer_native->power_save_page_flip_onscreens,
g_object_unref);
renderer_native->power_save_page_flip_onscreens = NULL;
renderer_native->power_save_page_flip_source_id = 0;
return G_SOURCE_REMOVE;
}
void
meta_renderer_native_queue_power_save_page_flip (MetaRendererNative *renderer_native,
CoglOnscreen *onscreen)
{
const unsigned int timeout_ms = 100;
if (!renderer_native->power_save_page_flip_source_id)
{
renderer_native->power_save_page_flip_source_id =
g_timeout_add (timeout_ms,
dummy_power_save_page_flip_cb,
renderer_native);
}
renderer_native->power_save_page_flip_onscreens =
g_list_prepend (renderer_native->power_save_page_flip_onscreens,
g_object_ref (onscreen));
}
static void
clear_kept_alive_onscreens (MetaRendererNative *renderer_native)
{
g_list_free_full (renderer_native->kept_alive_onscreens,
g_object_unref);
renderer_native->kept_alive_onscreens = NULL;
}
void
meta_renderer_native_post_mode_set_updates (MetaRendererNative *renderer_native)
{
MetaRenderer *renderer = META_RENDERER (renderer_native);
MetaBackend *backend = meta_renderer_get_backend (renderer);
MetaKms *kms = meta_backend_native_get_kms (META_BACKEND_NATIVE (backend));
GList *l;
for (l = meta_renderer_get_views (renderer); l; l = l->next)
{
MetaRendererView *view = l->data;
MetaKmsDevice *kms_device;
MetaKmsUpdate *kms_update;
MetaKmsUpdateFlag flags;
g_autoptr (MetaKmsFeedback) kms_feedback = NULL;
const GError *feedback_error;
kms_device = kms_device_from_view (view);
kms_update = meta_kms_get_pending_update (kms, kms_device);
if (!kms_update)
continue;
configure_disabled_crtcs (gpu_from_view (view), kms_update);
flags = META_KMS_UPDATE_FLAG_NONE;
kms_feedback = meta_kms_post_pending_update_sync (kms, kms_device, flags);
switch (meta_kms_feedback_get_result (kms_feedback))
{
case META_KMS_FEEDBACK_PASSED:
break;
case META_KMS_FEEDBACK_FAILED:
feedback_error = meta_kms_feedback_get_error (kms_feedback);
if (!g_error_matches (feedback_error,
G_IO_ERROR,
G_IO_ERROR_PERMISSION_DENIED))
g_warning ("Failed to post KMS update: %s", feedback_error->message);
break;
}
}
clear_kept_alive_onscreens (renderer_native);
}
static void
unset_disabled_crtcs (MetaBackend *backend,
MetaKms *kms)
{
GList *l;
meta_topic (META_DEBUG_KMS, "Disabling all disabled CRTCs");
for (l = meta_backend_get_gpus (backend); l; l = l->next)
{
MetaGpu *gpu = l->data;
MetaKmsDevice *kms_device =
meta_gpu_kms_get_kms_device (META_GPU_KMS (gpu));
GList *k;
gboolean did_mode_set = FALSE;
MetaKmsUpdateFlag flags;
g_autoptr (MetaKmsFeedback) kms_feedback = NULL;
for (k = meta_gpu_get_crtcs (gpu); k; k = k->next)
{
MetaCrtc *crtc = k->data;
MetaKmsUpdate *kms_update;
if (meta_crtc_get_config (crtc))
continue;
kms_update = meta_kms_ensure_pending_update (kms, kms_device);
meta_crtc_kms_set_mode (META_CRTC_KMS (crtc), kms_update);
did_mode_set = TRUE;
}
if (!did_mode_set)
continue;
flags = META_KMS_UPDATE_FLAG_NONE;
kms_feedback = meta_kms_post_pending_update_sync (kms,
kms_device,
flags);
if (meta_kms_feedback_get_result (kms_feedback) !=
META_KMS_FEEDBACK_PASSED)
{
const GError *error = meta_kms_feedback_get_error (kms_feedback);
if (!g_error_matches (error, G_IO_ERROR,
G_IO_ERROR_PERMISSION_DENIED))
g_warning ("Failed to post KMS update: %s", error->message);
}
}
}
static CoglDmaBufHandle *
meta_renderer_native_create_dma_buf (CoglRenderer *cogl_renderer,
int width,
int height,
GError **error)
{
CoglRendererEGL *cogl_renderer_egl = cogl_renderer->winsys;
MetaRendererNativeGpuData *renderer_gpu_data = cogl_renderer_egl->platform;
MetaRendererNative *renderer_native = renderer_gpu_data->renderer_native;
switch (renderer_gpu_data->mode)
{
case META_RENDERER_NATIVE_MODE_GBM:
{
CoglFramebuffer *dmabuf_fb;
CoglDmaBufHandle *dmabuf_handle;
struct gbm_bo *new_bo;
int stride;
int offset;
int bpp;
int dmabuf_fd = -1;
new_bo = gbm_bo_create (renderer_gpu_data->gbm.device,
width, height, DRM_FORMAT_XRGB8888,
GBM_BO_USE_RENDERING | GBM_BO_USE_LINEAR);
if (!new_bo)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Failed to allocate buffer");
return NULL;
}
dmabuf_fd = gbm_bo_get_fd (new_bo);
if (dmabuf_fd == -1)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_EXISTS,
"Failed to export buffer's DMA fd: %s",
g_strerror (errno));
return NULL;
}
stride = gbm_bo_get_stride (new_bo);
offset = gbm_bo_get_offset (new_bo, 0);
bpp = 4;
dmabuf_fb =
meta_renderer_native_create_dma_buf_framebuffer (renderer_native,
dmabuf_fd,
width, height,
stride,
offset,
DRM_FORMAT_MOD_LINEAR,
DRM_FORMAT_XRGB8888,
error);
if (!dmabuf_fb)
return NULL;
dmabuf_handle =
cogl_dma_buf_handle_new (dmabuf_fb, dmabuf_fd,
width, height, stride, offset, bpp,
new_bo,
(GDestroyNotify) gbm_bo_destroy);
g_object_unref (dmabuf_fb);
return dmabuf_handle;
}
break;
#ifdef HAVE_EGL_DEVICE
case META_RENDERER_NATIVE_MODE_EGL_DEVICE:
break;
#endif
}
g_set_error (error, G_IO_ERROR, G_IO_ERROR_UNKNOWN,
"Current mode does not support exporting DMA buffers");
return NULL;
}
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->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 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
};
static void
meta_renderer_native_queue_modes_reset (MetaRendererNative *renderer_native)
{
MetaRenderer *renderer = META_RENDERER (renderer_native);
g_list_free (renderer_native->pending_mode_set_views);
renderer_native->pending_mode_set_views =
g_list_copy (meta_renderer_get_views (renderer));
renderer_native->pending_mode_set = TRUE;
meta_topic (META_DEBUG_KMS, "Queue mode set");
}
void
meta_renderer_native_notify_mode_sets_reset (MetaRendererNative *renderer_native)
{
renderer_native->pending_mode_set = FALSE;
}
gboolean
meta_renderer_native_pop_pending_mode_set (MetaRendererNative *renderer_native,
MetaRendererView *view)
{
MetaRenderer *renderer = META_RENDERER (renderer_native);
MetaBackend *backend = meta_renderer_get_backend (renderer);
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (backend);
MetaPowerSave power_save_mode;
GList *link;
g_assert (META_IS_RENDERER_VIEW (view));
power_save_mode = meta_monitor_manager_get_power_save_mode (monitor_manager);
if (power_save_mode != META_POWER_SAVE_ON)
return FALSE;
link = g_list_find (renderer_native->pending_mode_set_views, view);
if (!link)
return FALSE;
renderer_native->pending_mode_set_views =
g_list_delete_link (renderer_native->pending_mode_set_views, link);
return TRUE;
}
static CoglOffscreen *
meta_renderer_native_create_offscreen (MetaRendererNative *renderer,
CoglContext *context,
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))
{
g_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.renderer_create_dma_buf = meta_renderer_native_create_dma_buf;
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);
return create_cogl_renderer_for_gpu (renderer_native->primary_gpu_kms);
}
static MetaMonitorTransform
calculate_view_transform (MetaMonitorManager *monitor_manager,
MetaLogicalMonitor *logical_monitor,
MetaOutput *output,
MetaCrtc *crtc)
{
MetaMonitorTransform crtc_transform;
crtc = meta_output_get_assigned_crtc (output);
crtc_transform =
meta_output_logical_to_crtc_transform (output, logical_monitor->transform);
if (meta_monitor_manager_is_transform_handled (monitor_manager,
crtc,
crtc_transform))
return META_MONITOR_TRANSFORM_NORMAL;
else
return crtc_transform;
}
static gboolean
should_force_shadow_fb (MetaRendererNative *renderer_native,
MetaGpuKms *primary_gpu)
{
MetaRenderer *renderer = META_RENDERER (renderer_native);
CoglContext *cogl_context =
cogl_context_from_renderer_native (renderer_native);
int kms_fd;
uint64_t prefer_shadow = 0;
if (meta_renderer_is_hardware_accelerated (renderer))
return FALSE;
if (!cogl_has_feature (cogl_context, COGL_FEATURE_ID_BLIT_FRAMEBUFFER))
return FALSE;
kms_fd = meta_gpu_kms_get_fd (primary_gpu);
if (drmGetCap (kms_fd, DRM_CAP_DUMB_PREFER_SHADOW, &prefer_shadow) == 0)
{
if (prefer_shadow)
{
static gboolean logged_once = FALSE;
if (!logged_once)
{
g_message ("Forcing shadow framebuffer");
logged_once = TRUE;
}
return TRUE;
}
}
return FALSE;
}
static MetaRendererView *
meta_renderer_native_create_view (MetaRenderer *renderer,
MetaLogicalMonitor *logical_monitor,
MetaOutput *output,
MetaCrtc *crtc)
{
MetaRendererNative *renderer_native = META_RENDERER_NATIVE (renderer);
MetaBackend *backend = meta_renderer_get_backend (renderer);
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (backend);
CoglContext *cogl_context =
cogl_context_from_renderer_native (renderer_native);
CoglDisplay *cogl_display = cogl_context_get_display (cogl_context);
CoglDisplayEGL *cogl_display_egl;
CoglOnscreenEgl *onscreen_egl;
const MetaCrtcConfig *crtc_config;
const MetaCrtcModeInfo *crtc_mode_info;
MetaMonitorTransform view_transform;
MetaOnscreenNative *onscreen_native;
CoglOffscreen *offscreen = NULL;
gboolean use_shadowfb;
float scale;
int onscreen_width;
int onscreen_height;
MetaRectangle view_layout;
MetaRendererView *view;
EGLSurface egl_surface;
GError *error = NULL;
crtc_config = meta_crtc_get_config (crtc);
crtc_mode_info = meta_crtc_mode_get_info (crtc_config->mode);
onscreen_width = crtc_mode_info->width;
onscreen_height = crtc_mode_info->height;
onscreen_native = meta_onscreen_native_new (renderer_native,
renderer_native->primary_gpu_kms,
output,
crtc,
cogl_context,
onscreen_width,
onscreen_height);
if (!cogl_framebuffer_allocate (COGL_FRAMEBUFFER (onscreen_native), &error))
g_error ("Failed to allocate onscreen framebuffer: %s", error->message);
view_transform = calculate_view_transform (monitor_manager,
logical_monitor,
output,
crtc);
if (view_transform != META_MONITOR_TRANSFORM_NORMAL)
{
int offscreen_width;
int offscreen_height;
if (meta_monitor_transform_is_rotated (view_transform))
{
offscreen_width = onscreen_height;
offscreen_height = onscreen_width;
}
else
{
offscreen_width = onscreen_width;
offscreen_height = onscreen_height;
}
offscreen = meta_renderer_native_create_offscreen (renderer_native,
cogl_context,
offscreen_width,
offscreen_height,
&error);
if (!offscreen)
g_error ("Failed to allocate back buffer texture: %s", error->message);
}
use_shadowfb = should_force_shadow_fb (renderer_native,
renderer_native->primary_gpu_kms);
if (meta_is_stage_views_scaled ())
scale = meta_logical_monitor_get_scale (logical_monitor);
else
scale = 1.0;
meta_rectangle_from_graphene_rect (&crtc_config->layout,
META_ROUNDING_STRATEGY_ROUND,
&view_layout);
view = g_object_new (META_TYPE_RENDERER_VIEW,
"name", meta_output_get_name (output),
"stage", meta_backend_get_stage (backend),
"layout", &view_layout,
"crtc", crtc,
"scale", scale,
"framebuffer", onscreen_native,
"offscreen", offscreen,
"use-shadowfb", use_shadowfb,
"transform", view_transform,
"refresh-rate", crtc_mode_info->refresh_rate,
NULL);
g_clear_object (&offscreen);
g_object_unref (onscreen_native);
meta_onscreen_native_set_view (COGL_ONSCREEN (onscreen_native), view);
/* Ensure we don't point to stale surfaces when creating the offscreen */
cogl_display_egl = cogl_display->winsys;
onscreen_egl = COGL_ONSCREEN_EGL (onscreen_native);
egl_surface = cogl_onscreen_egl_get_egl_surface (onscreen_egl);
_cogl_winsys_egl_make_current (cogl_display,
egl_surface,
egl_surface,
cogl_display_egl->egl_context);
return view;
}
static void
keep_current_onscreens_alive (MetaRenderer *renderer)
{
MetaRendererNative *renderer_native = META_RENDERER_NATIVE (renderer);
GList *views;
GList *l;
views = meta_renderer_get_views (renderer);
for (l = views; l; l = l->next)
{
ClutterStageView *stage_view = l->data;
CoglFramebuffer *onscreen = clutter_stage_view_get_onscreen (stage_view);
renderer_native->kept_alive_onscreens =
g_list_prepend (renderer_native->kept_alive_onscreens,
g_object_ref (onscreen));
}
}
static void
meta_renderer_native_rebuild_views (MetaRenderer *renderer)
{
MetaBackend *backend = meta_renderer_get_backend (renderer);
MetaBackendNative *backend_native = META_BACKEND_NATIVE (backend);
MetaKms *kms = meta_backend_native_get_kms (backend_native);
MetaRendererClass *parent_renderer_class =
META_RENDERER_CLASS (meta_renderer_native_parent_class);
meta_kms_discard_pending_page_flips (kms);
keep_current_onscreens_alive (renderer);
parent_renderer_class->rebuild_views (renderer);
meta_renderer_native_queue_modes_reset (META_RENDERER_NATIVE (renderer));
}
void
meta_renderer_native_prepare_frame (MetaRendererNative *renderer_native,
MetaRendererView *view,
ClutterFrame *frame)
{
MetaCrtc *crtc = meta_renderer_view_get_crtc (view);
MetaCrtcKms *crtc_kms = META_CRTC_KMS (crtc);
MetaKmsCrtc *kms_crtc = meta_crtc_kms_get_kms_crtc (META_CRTC_KMS (crtc));
MetaKmsDevice *kms_device = meta_kms_crtc_get_device (kms_crtc);;
meta_crtc_kms_maybe_set_gamma (crtc_kms, kms_device);
}
void
meta_renderer_native_finish_frame (MetaRendererNative *renderer_native,
MetaRendererView *view,
ClutterFrame *frame)
{
if (!clutter_frame_has_result (frame))
{
CoglFramebuffer *framebuffer =
clutter_stage_view_get_onscreen (CLUTTER_STAGE_VIEW (view));
CoglOnscreen *onscreen = COGL_ONSCREEN (framebuffer);
meta_onscreen_native_finish_frame (onscreen, frame);
}
}
static gboolean
create_secondary_egl_config (MetaEgl *egl,
MetaRendererNativeMode mode,
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
};
switch (mode)
{
case META_RENDERER_NATIVE_MODE_GBM:
return choose_egl_config_from_gbm_format (egl,
egl_display,
attributes,
GBM_FORMAT_XRGB8888,
egl_config,
error);
#ifdef HAVE_EGL_DEVICE
case META_RENDERER_NATIVE_MODE_EGL_DEVICE:
return meta_egl_choose_first_config (egl,
egl_display,
attributes,
egl_config,
error);
#endif
}
return FALSE;
}
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;
const char **missing_gl_extensions;
const char *renderer_str;
if (!create_secondary_egl_config (egl, renderer_gpu_data->mode, 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;
}
renderer_str = (const char *) glGetString (GL_RENDERER);
if (g_str_has_prefix (renderer_str, "llvmpipe") ||
g_str_has_prefix (renderer_str, "softpipe") ||
g_str_has_prefix (renderer_str, "swrast"))
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Do not want to use software renderer (%s), falling back to CPU copy path",
renderer_str);
goto out_fail_with_context;
}
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 (", ",
(char **) 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);
goto out_fail_with_context;
}
renderer_gpu_data->secondary.is_hardware_rendering = TRUE;
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_SECONDARY_GPU;
renderer_gpu_data->secondary.has_EGL_EXT_image_dma_buf_import_modifiers =
meta_egl_has_extensions (egl, egl_display, NULL,
"EGL_EXT_image_dma_buf_import_modifiers",
NULL);
return TRUE;
out_fail_with_context:
meta_egl_make_current (egl,
egl_display,
EGL_NO_SURFACE,
EGL_NO_SURFACE,
EGL_NO_CONTEXT,
NULL);
meta_egl_destroy_context (egl, egl_display, egl_context, NULL);
return FALSE;
}
static void
init_secondary_gpu_data_cpu (MetaRendererNativeGpuData *renderer_gpu_data)
{
renderer_gpu_data->secondary.is_hardware_rendering = FALSE;
/* First try ZERO, it automatically falls back to PRIMARY as needed */
renderer_gpu_data->secondary.copy_mode =
META_SHARED_FRAMEBUFFER_COPY_MODE_ZERO;
}
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_message ("Failed to initialize accelerated iGPU/dGPU framebuffer sharing: %s",
error->message);
g_error_free (error);
init_secondary_gpu_data_cpu (renderer_gpu_data);
}
static gboolean
gpu_kms_is_hardware_rendering (MetaRendererNative *renderer_native,
MetaGpuKms *gpu_kms)
{
MetaRendererNativeGpuData *data;
data = meta_renderer_native_get_gpu_data (renderer_native, gpu_kms);
return data->secondary.is_hardware_rendering;
}
static EGLDisplay
init_gbm_egl_display (MetaRendererNative *renderer_native,
struct gbm_device *gbm_device,
GError **error)
{
MetaEgl *egl = meta_renderer_native_get_egl (renderer_native);
EGLDisplay egl_display;
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 EGL_NO_DISPLAY;
}
egl_display = meta_egl_get_platform_display (egl,
EGL_PLATFORM_GBM_KHR,
gbm_device, NULL, error);
if (egl_display == EGL_NO_DISPLAY)
return EGL_NO_DISPLAY;
if (!meta_egl_initialize (egl, egl_display, error))
return EGL_NO_DISPLAY;
return egl_display;
}
static MetaRendererNativeGpuData *
create_renderer_gpu_data_gbm (MetaRendererNative *renderer_native,
MetaGpuKms *gpu_kms,
GError **error)
{
struct gbm_device *gbm_device;
int kms_fd;
MetaRendererNativeGpuData *renderer_gpu_data;
g_autoptr (GError) local_error = 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;
}
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 = init_gbm_egl_display (renderer_native,
gbm_device,
&local_error);
if (renderer_gpu_data->egl_display == EGL_NO_DISPLAY)
{
g_debug ("GBM EGL init for %s failed: %s",
meta_gpu_kms_get_file_path (gpu_kms),
local_error->message);
init_secondary_gpu_data_cpu (renderer_gpu_data);
return renderer_gpu_data;
}
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);
const 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 (", ", (char **) 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 int
count_drm_devices (MetaRendererNative *renderer_native)
{
MetaRenderer *renderer = META_RENDERER (renderer_native);
MetaBackend *backend = meta_renderer_get_backend (renderer);
return g_list_length (meta_backend_get_gpus (backend));
}
static MetaRendererNativeGpuData *
create_renderer_gpu_data_egl_device (MetaRendererNative *renderer_native,
MetaGpuKms *gpu_kms,
GError **error)
{
MetaEgl *egl = meta_renderer_native_get_egl (renderer_native);
const char **missing_extensions;
EGLDeviceEXT egl_device;
EGLDisplay egl_display;
MetaRendererNativeGpuData *renderer_gpu_data;
if (count_drm_devices (renderer_native) != 1)
{
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 (", ", (char **) missing_extensions);
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
"Missing EGL extensions required for EGLDevice renderer: %s",
missing_extensions_str);
meta_egl_terminate (egl, egl_display, NULL);
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
create_renderer_gpu_data (MetaRendererNative *renderer_native,
MetaGpuKms *gpu_kms,
GError **error)
{
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
on_gpu_added (MetaBackendNative *backend_native,
MetaGpuKms *gpu_kms,
MetaRendererNative *renderer_native)
{
MetaBackend *backend = META_BACKEND (backend_native);
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);
GError *error = NULL;
if (!create_renderer_gpu_data (renderer_native, gpu_kms, &error))
{
g_warning ("on_gpu_added: could not create gpu_data for gpu %s: %s",
meta_gpu_kms_get_file_path (gpu_kms), error->message);
g_clear_error (&error);
}
_cogl_winsys_egl_ensure_current (cogl_display);
}
static void
on_power_save_mode_changed (MetaMonitorManager *monitor_manager,
MetaRendererNative *renderer_native)
{
MetaRenderer *renderer = META_RENDERER (renderer_native);
MetaBackend *backend = meta_renderer_get_backend (renderer);
MetaBackendNative *backend_native = META_BACKEND_NATIVE (backend);
MetaKms *kms = meta_backend_native_get_kms (backend_native);
MetaPowerSave power_save_mode;
power_save_mode = meta_monitor_manager_get_power_save_mode (monitor_manager);
if (power_save_mode == META_POWER_SAVE_ON)
meta_renderer_native_queue_modes_reset (renderer_native);
else
meta_kms_discard_pending_page_flips (kms);
}
void
meta_renderer_native_reset_modes (MetaRendererNative *renderer_native)
{
MetaRenderer *renderer = META_RENDERER (renderer_native);
MetaBackend *backend = meta_renderer_get_backend (renderer);
MetaBackendNative *backend_native = META_BACKEND_NATIVE (backend);
MetaKms *kms = meta_backend_native_get_kms (backend_native);
unset_disabled_crtcs (backend, kms);
}
static MetaGpuKms *
choose_primary_gpu_unchecked (MetaBackend *backend,
MetaRendererNative *renderer_native)
{
GList *gpus = meta_backend_get_gpus (backend);
GList *l;
int allow_sw;
/*
* Check first hardware rendering devices, and if none found,
* then software rendering devices.
*/
for (allow_sw = 0; allow_sw < 2; allow_sw++)
{
/* First check if one was explicitly configured. */
for (l = gpus; l; l = l->next)
{
MetaGpuKms *gpu_kms = META_GPU_KMS (l->data);
MetaKmsDevice *kms_device = meta_gpu_kms_get_kms_device (gpu_kms);
if (meta_kms_device_get_flags (kms_device) &
META_KMS_DEVICE_FLAG_PREFERRED_PRIMARY)
{
g_message ("GPU %s selected primary given udev rule",
meta_gpu_kms_get_file_path (gpu_kms));
return gpu_kms;
}
}
/* Prefer a platform device */
for (l = gpus; l; l = l->next)
{
MetaGpuKms *gpu_kms = META_GPU_KMS (l->data);
if (meta_gpu_kms_is_platform_device (gpu_kms) &&
(allow_sw == 1 ||
gpu_kms_is_hardware_rendering (renderer_native, gpu_kms)))
{
g_message ("Integrated GPU %s selected as primary",
meta_gpu_kms_get_file_path (gpu_kms));
return gpu_kms;
}
}
/* Otherwise a device we booted with */
for (l = gpus; l; l = l->next)
{
MetaGpuKms *gpu_kms = META_GPU_KMS (l->data);
if (meta_gpu_kms_is_boot_vga (gpu_kms) &&
(allow_sw == 1 ||
gpu_kms_is_hardware_rendering (renderer_native, gpu_kms)))
{
g_message ("Boot VGA GPU %s selected as primary",
meta_gpu_kms_get_file_path (gpu_kms));
return gpu_kms;
}
}
/* Fall back to any device */
for (l = gpus; l; l = l->next)
{
MetaGpuKms *gpu_kms = META_GPU_KMS (l->data);
if (allow_sw == 1 ||
gpu_kms_is_hardware_rendering (renderer_native, gpu_kms))
{
g_message ("GPU %s selected as primary",
meta_gpu_kms_get_file_path (gpu_kms));
return gpu_kms;
}
}
}
g_assert_not_reached ();
return NULL;
}
static MetaGpuKms *
choose_primary_gpu (MetaBackend *backend,
MetaRendererNative *renderer_native,
GError **error)
{
MetaGpuKms *gpu_kms;
MetaRendererNativeGpuData *renderer_gpu_data;
gpu_kms = choose_primary_gpu_unchecked (backend, renderer_native);
renderer_gpu_data = meta_renderer_native_get_gpu_data (renderer_native,
gpu_kms);
if (renderer_gpu_data->egl_display == EGL_NO_DISPLAY)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"The GPU %s chosen as primary is not supported by EGL.",
meta_gpu_kms_get_file_path (gpu_kms));
return NULL;
}
return gpu_kms;
}
static gboolean
meta_renderer_native_initable_init (GInitable *initable,
GCancellable *cancellable,
GError **error)
{
MetaRendererNative *renderer_native = META_RENDERER_NATIVE (initable);
MetaRenderer *renderer = META_RENDERER (renderer_native);
MetaBackend *backend = meta_renderer_get_backend (renderer);
GList *gpus;
GList *l;
gpus = meta_backend_get_gpus (backend);
for (l = gpus; l; l = l->next)
{
MetaGpuKms *gpu_kms = META_GPU_KMS (l->data);
if (!create_renderer_gpu_data (renderer_native, gpu_kms, error))
return FALSE;
}
renderer_native->primary_gpu_kms = choose_primary_gpu (backend,
renderer_native,
error);
if (!renderer_native->primary_gpu_kms)
return FALSE;
if (meta_gpu_kms_requires_modifiers (renderer_native->primary_gpu_kms))
renderer_native->use_modifiers = TRUE;
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);
clear_kept_alive_onscreens (renderer_native);
if (renderer_native->power_save_page_flip_onscreens)
{
g_list_free_full (renderer_native->power_save_page_flip_onscreens,
g_object_unref);
g_clear_handle_id (&renderer_native->power_save_page_flip_source_id,
g_source_remove);
}
g_list_free (renderer_native->pending_mode_set_views);
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);
MetaRenderer *renderer = META_RENDERER (renderer_native);
MetaBackend *backend = meta_renderer_get_backend (renderer);
MetaSettings *settings = meta_backend_get_settings (backend);
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (backend);
if (meta_settings_is_experimental_feature_enabled (
settings, META_EXPERIMENTAL_FEATURE_KMS_MODIFIERS))
renderer_native->use_modifiers = TRUE;
g_signal_connect (backend, "gpu-added",
G_CALLBACK (on_gpu_added), renderer_native);
g_signal_connect (monitor_manager, "power-save-mode-changed",
G_CALLBACK (on_power_save_mode_changed), renderer_native);
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->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;
renderer_class->rebuild_views = meta_renderer_native_rebuild_views;
}
MetaRendererNative *
meta_renderer_native_new (MetaBackendNative *backend_native,
GError **error)
{
return g_initable_new (META_TYPE_RENDERER_NATIVE,
NULL,
error,
"backend", backend_native,
NULL);
}
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