/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ /* * Copyright (C) 2014 Red Hat * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA * 02111-1307, USA. * * Written by: * Jasper St. Pierre */ #include "config.h" #include "backends/native/meta-cursor-renderer-native.h" #include #include #include #include #include "backends/meta-backend-private.h" #include "backends/meta-cursor-sprite-xcursor.h" #include "backends/meta-logical-monitor.h" #include "backends/meta-monitor.h" #include "backends/meta-monitor-manager-private.h" #include "backends/meta-output.h" #include "backends/native/meta-renderer-native.h" #include "core/boxes-private.h" #include "meta/boxes.h" #include "meta/meta-backend.h" #include "meta/util.h" #ifdef HAVE_WAYLAND #include "wayland/meta-cursor-sprite-wayland.h" #include "wayland/meta-wayland-buffer.h" #endif #ifndef DRM_CAP_CURSOR_WIDTH #define DRM_CAP_CURSOR_WIDTH 0x8 #endif #ifndef DRM_CAP_CURSOR_HEIGHT #define DRM_CAP_CURSOR_HEIGHT 0x9 #endif /* When animating a cursor, we usually call drmModeSetCursor2 once per frame. * Though, testing shows that we need to triple buffer the cursor buffer in * order to avoid glitches when animating the cursor, at least when running on * Intel. The reason for this might be (but is not confirmed to be) due to * the user space gbm_bo cache, making us reuse and overwrite the kernel side * buffer content before it was scanned out. To avoid this, we keep a user space * reference to each buffer we set until at least one frame after it was drawn. * In effect, this means we three active cursor gbm_bo's: one that that just has * been set, one that was previously set and may or may not have been scanned * out, and one pending that will be replaced if the cursor sprite changes. */ #define HW_CURSOR_BUFFER_COUNT 3 static GQuark quark_cursor_sprite = 0; struct _MetaCursorRendererNative { MetaCursorRenderer parent; }; struct _MetaCursorRendererNativePrivate { MetaMonitorManager *monitor_manager; gboolean hw_state_invalidated; gboolean has_hw_cursor; MetaCursorSprite *last_cursor; guint animation_timeout_id; }; typedef struct _MetaCursorRendererNativePrivate MetaCursorRendererNativePrivate; typedef struct _MetaCursorRendererNativeGpuData { gboolean hw_cursor_broken; uint64_t cursor_width; uint64_t cursor_height; } MetaCursorRendererNativeGpuData; typedef enum _MetaCursorGbmBoState { META_CURSOR_GBM_BO_STATE_NONE, META_CURSOR_GBM_BO_STATE_SET, META_CURSOR_GBM_BO_STATE_INVALIDATED, } MetaCursorGbmBoState; typedef struct _MetaCursorNativeGpuState { guint active_bo; MetaCursorGbmBoState pending_bo_state; struct gbm_bo *bos[HW_CURSOR_BUFFER_COUNT]; } MetaCursorNativeGpuState; typedef struct _MetaCursorNativePrivate { GHashTable *gpu_states; } MetaCursorNativePrivate; static GQuark quark_cursor_renderer_native_gpu_data = 0; G_DEFINE_TYPE_WITH_PRIVATE (MetaCursorRendererNative, meta_cursor_renderer_native, META_TYPE_CURSOR_RENDERER); static void realize_cursor_sprite (MetaCursorRenderer *renderer, MetaCursorSprite *cursor_sprite, GList *gpus); static MetaCursorNativeGpuState * get_cursor_gpu_state (MetaCursorNativePrivate *cursor_priv, MetaGpuKms *gpu_kms); static MetaCursorNativeGpuState * ensure_cursor_gpu_state (MetaCursorNativePrivate *cursor_priv, MetaGpuKms *gpu_kms); static MetaCursorNativePrivate * ensure_cursor_priv (MetaCursorSprite *cursor_sprite); static MetaCursorNativePrivate * get_cursor_priv (MetaCursorSprite *cursor_sprite); static MetaCursorRendererNativeGpuData * meta_cursor_renderer_native_gpu_data_from_gpu (MetaGpuKms *gpu_kms) { return g_object_get_qdata (G_OBJECT (gpu_kms), quark_cursor_renderer_native_gpu_data); } static MetaCursorRendererNativeGpuData * meta_create_cursor_renderer_native_gpu_data (MetaGpuKms *gpu_kms) { MetaCursorRendererNativeGpuData *cursor_renderer_gpu_data; cursor_renderer_gpu_data = g_new0 (MetaCursorRendererNativeGpuData, 1); g_object_set_qdata_full (G_OBJECT (gpu_kms), quark_cursor_renderer_native_gpu_data, cursor_renderer_gpu_data, g_free); return cursor_renderer_gpu_data; } static void meta_cursor_renderer_native_finalize (GObject *object) { MetaCursorRendererNative *renderer = META_CURSOR_RENDERER_NATIVE (object); MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (renderer); if (priv->animation_timeout_id) g_source_remove (priv->animation_timeout_id); G_OBJECT_CLASS (meta_cursor_renderer_native_parent_class)->finalize (object); } static guint get_pending_cursor_sprite_gbm_bo_index (MetaCursorNativeGpuState *cursor_gpu_state) { return (cursor_gpu_state->active_bo + 1) % HW_CURSOR_BUFFER_COUNT; } static struct gbm_bo * get_pending_cursor_sprite_gbm_bo (MetaCursorNativeGpuState *cursor_gpu_state) { guint pending_bo; pending_bo = get_pending_cursor_sprite_gbm_bo_index (cursor_gpu_state); return cursor_gpu_state->bos[pending_bo]; } static struct gbm_bo * get_active_cursor_sprite_gbm_bo (MetaCursorNativeGpuState *cursor_gpu_state) { return cursor_gpu_state->bos[cursor_gpu_state->active_bo]; } static void set_pending_cursor_sprite_gbm_bo (MetaCursorSprite *cursor_sprite, MetaGpuKms *gpu_kms, struct gbm_bo *bo) { MetaCursorNativePrivate *cursor_priv; MetaCursorNativeGpuState *cursor_gpu_state; guint pending_bo; cursor_priv = ensure_cursor_priv (cursor_sprite); cursor_gpu_state = ensure_cursor_gpu_state (cursor_priv, gpu_kms); pending_bo = get_pending_cursor_sprite_gbm_bo_index (cursor_gpu_state); cursor_gpu_state->bos[pending_bo] = bo; cursor_gpu_state->pending_bo_state = META_CURSOR_GBM_BO_STATE_SET; } static void set_crtc_cursor (MetaCursorRendererNative *native, MetaCrtc *crtc, MetaCursorSprite *cursor_sprite) { MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (native); MetaCursorRendererNativeGpuData *cursor_renderer_gpu_data; MetaGpuKms *gpu_kms; int kms_fd; gpu_kms = META_GPU_KMS (meta_crtc_get_gpu (crtc)); cursor_renderer_gpu_data = meta_cursor_renderer_native_gpu_data_from_gpu (gpu_kms); kms_fd = meta_gpu_kms_get_fd (gpu_kms); if (cursor_sprite) { MetaCursorNativePrivate *cursor_priv; MetaCursorNativeGpuState *cursor_gpu_state; struct gbm_bo *bo; union gbm_bo_handle handle; int hot_x, hot_y; cursor_priv = get_cursor_priv (cursor_sprite); cursor_gpu_state = get_cursor_gpu_state (cursor_priv, gpu_kms); if (cursor_gpu_state->pending_bo_state == META_CURSOR_GBM_BO_STATE_SET) bo = get_pending_cursor_sprite_gbm_bo (cursor_gpu_state); else bo = get_active_cursor_sprite_gbm_bo (cursor_gpu_state); if (!priv->hw_state_invalidated && bo == crtc->cursor_renderer_private) return; crtc->cursor_renderer_private = bo; handle = gbm_bo_get_handle (bo); meta_cursor_sprite_get_hotspot (cursor_sprite, &hot_x, &hot_y); if (drmModeSetCursor2 (kms_fd, crtc->crtc_id, handle.u32, cursor_renderer_gpu_data->cursor_width, cursor_renderer_gpu_data->cursor_height, hot_x, hot_y) < 0) { if (errno != EACCES) { g_warning ("drmModeSetCursor2 failed with (%s), " "drawing cursor with OpenGL from now on", strerror (errno)); priv->has_hw_cursor = FALSE; cursor_renderer_gpu_data->hw_cursor_broken = TRUE; } } if (cursor_gpu_state->pending_bo_state == META_CURSOR_GBM_BO_STATE_SET) { cursor_gpu_state->active_bo = (cursor_gpu_state->active_bo + 1) % HW_CURSOR_BUFFER_COUNT; cursor_gpu_state->pending_bo_state = META_CURSOR_GBM_BO_STATE_NONE; } } else { if (priv->hw_state_invalidated || crtc->cursor_renderer_private != NULL) { drmModeSetCursor2 (kms_fd, crtc->crtc_id, 0, 0, 0, 0, 0); crtc->cursor_renderer_private = NULL; } } } typedef struct { MetaCursorRendererNative *in_cursor_renderer_native; MetaLogicalMonitor *in_logical_monitor; ClutterRect in_local_cursor_rect; MetaCursorSprite *in_cursor_sprite; gboolean out_painted; } UpdateCrtcCursorData; static gboolean update_monitor_crtc_cursor (MetaMonitor *monitor, MetaMonitorMode *monitor_mode, MetaMonitorCrtcMode *monitor_crtc_mode, gpointer user_data, GError **error) { UpdateCrtcCursorData *data = user_data; MetaCursorRendererNative *cursor_renderer_native = data->in_cursor_renderer_native; MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (cursor_renderer_native); MetaCrtc *crtc; MetaMonitorTransform transform; ClutterRect scaled_crtc_rect; float scale; int crtc_x, crtc_y; int crtc_width, crtc_height; if (meta_is_stage_views_scaled ()) scale = meta_logical_monitor_get_scale (data->in_logical_monitor); else scale = 1.0; meta_monitor_calculate_crtc_pos (monitor, monitor_mode, monitor_crtc_mode->output, META_MONITOR_TRANSFORM_NORMAL, &crtc_x, &crtc_y); transform = meta_logical_monitor_get_transform (data->in_logical_monitor); if (meta_monitor_transform_is_rotated (transform)) { crtc_width = monitor_crtc_mode->crtc_mode->height; crtc_height = monitor_crtc_mode->crtc_mode->width; } else { crtc_width = monitor_crtc_mode->crtc_mode->width; crtc_height = monitor_crtc_mode->crtc_mode->height; } scaled_crtc_rect = (ClutterRect) { .origin = { .x = crtc_x / scale, .y = crtc_y / scale }, .size = { .width = crtc_width / scale, .height = crtc_height / scale }, }; crtc = meta_output_get_assigned_crtc (monitor_crtc_mode->output); if (priv->has_hw_cursor && clutter_rect_intersection (&scaled_crtc_rect, &data->in_local_cursor_rect, NULL)) { MetaGpuKms *gpu_kms; int kms_fd; float crtc_cursor_x, crtc_cursor_y; set_crtc_cursor (data->in_cursor_renderer_native, crtc, data->in_cursor_sprite); gpu_kms = META_GPU_KMS (meta_monitor_get_gpu (monitor)); kms_fd = meta_gpu_kms_get_fd (gpu_kms); crtc_cursor_x = (data->in_local_cursor_rect.origin.x - scaled_crtc_rect.origin.x) * scale; crtc_cursor_y = (data->in_local_cursor_rect.origin.y - scaled_crtc_rect.origin.y) * scale; drmModeMoveCursor (kms_fd, crtc->crtc_id, floorf (crtc_cursor_x), floorf (crtc_cursor_y)); data->out_painted = data->out_painted || TRUE; } else { set_crtc_cursor (data->in_cursor_renderer_native, crtc, NULL); } return TRUE; } static void update_hw_cursor (MetaCursorRendererNative *native, MetaCursorSprite *cursor_sprite) { MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (native); MetaCursorRenderer *renderer = META_CURSOR_RENDERER (native); MetaMonitorManager *monitor_manager = priv->monitor_manager; GList *logical_monitors; GList *l; ClutterRect rect; gboolean painted = FALSE; if (cursor_sprite) rect = meta_cursor_renderer_calculate_rect (renderer, cursor_sprite); else rect = (ClutterRect) { 0 }; logical_monitors = meta_monitor_manager_get_logical_monitors (monitor_manager); for (l = logical_monitors; l; l = l->next) { MetaLogicalMonitor *logical_monitor = l->data; UpdateCrtcCursorData data; GList *monitors; GList *k; data = (UpdateCrtcCursorData) { .in_cursor_renderer_native = native, .in_logical_monitor = logical_monitor, .in_local_cursor_rect = (ClutterRect) { .origin = { .x = rect.origin.x - logical_monitor->rect.x, .y = rect.origin.y - logical_monitor->rect.y }, .size = rect.size }, .in_cursor_sprite = cursor_sprite }; monitors = meta_logical_monitor_get_monitors (logical_monitor); for (k = monitors; k; k = k->next) { MetaMonitor *monitor = k->data; MetaMonitorMode *monitor_mode; monitor_mode = meta_monitor_get_current_mode (monitor); meta_monitor_mode_foreach_crtc (monitor, monitor_mode, update_monitor_crtc_cursor, &data, NULL); } painted = painted || data.out_painted; } priv->hw_state_invalidated = FALSE; if (painted) meta_cursor_renderer_emit_painted (renderer, cursor_sprite); } static gboolean has_valid_cursor_sprite_gbm_bo (MetaCursorSprite *cursor_sprite, MetaGpuKms *gpu_kms) { MetaCursorNativePrivate *cursor_priv; MetaCursorNativeGpuState *cursor_gpu_state; cursor_priv = get_cursor_priv (cursor_sprite); if (!cursor_priv) return FALSE; cursor_gpu_state = get_cursor_gpu_state (cursor_priv, gpu_kms); if (!cursor_gpu_state) return FALSE; switch (cursor_gpu_state->pending_bo_state) { case META_CURSOR_GBM_BO_STATE_NONE: return get_active_cursor_sprite_gbm_bo (cursor_gpu_state) != NULL; case META_CURSOR_GBM_BO_STATE_SET: return TRUE; case META_CURSOR_GBM_BO_STATE_INVALIDATED: return FALSE; } g_assert_not_reached (); return FALSE; } static gboolean cursor_over_transformed_logical_monitor (MetaCursorRenderer *renderer, MetaCursorSprite *cursor_sprite) { MetaCursorRendererNative *cursor_renderer_native = META_CURSOR_RENDERER_NATIVE (renderer); MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (cursor_renderer_native); MetaMonitorManager *monitor_manager = priv->monitor_manager; GList *logical_monitors; GList *l; ClutterRect cursor_rect; cursor_rect = meta_cursor_renderer_calculate_rect (renderer, cursor_sprite); logical_monitors = meta_monitor_manager_get_logical_monitors (monitor_manager); for (l = logical_monitors; l; l = l->next) { MetaLogicalMonitor *logical_monitor = l->data; MetaRectangle logical_monitor_layout; ClutterRect logical_monitor_rect; MetaMonitorTransform transform; GList *monitors, *l_mon; logical_monitor_layout = meta_logical_monitor_get_layout (logical_monitor); logical_monitor_rect = meta_rectangle_to_clutter_rect (&logical_monitor_layout); if (!clutter_rect_intersection (&cursor_rect, &logical_monitor_rect, NULL)) continue; monitors = meta_logical_monitor_get_monitors (logical_monitor); for (l_mon = monitors; l_mon; l_mon = l_mon->next) { MetaMonitor *monitor = l_mon->data; transform = meta_logical_monitor_get_transform (logical_monitor); /* Get transform corrected for LCD panel-orientation. */ transform = meta_monitor_logical_to_crtc_transform (monitor, transform); if (transform != META_MONITOR_TRANSFORM_NORMAL) return TRUE; } } return FALSE; } static float calculate_cursor_crtc_sprite_scale (MetaCursorSprite *cursor_sprite, MetaLogicalMonitor *logical_monitor) { return (meta_logical_monitor_get_scale (logical_monitor) * meta_cursor_sprite_get_texture_scale (cursor_sprite)); } static gboolean can_draw_cursor_unscaled (MetaCursorRenderer *renderer, MetaCursorSprite *cursor_sprite) { MetaCursorRendererNative *cursor_renderer_native = META_CURSOR_RENDERER_NATIVE (renderer); MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (cursor_renderer_native); MetaMonitorManager *monitor_manager = priv->monitor_manager; ClutterRect cursor_rect; GList *logical_monitors; GList *l; gboolean has_visible_crtc_sprite = FALSE; if (!meta_is_stage_views_scaled ()) return meta_cursor_sprite_get_texture_scale (cursor_sprite) == 1.0; logical_monitors = meta_monitor_manager_get_logical_monitors (monitor_manager); if (!logical_monitors) return FALSE; cursor_rect = meta_cursor_renderer_calculate_rect (renderer, cursor_sprite); for (l = logical_monitors; l; l = l->next) { MetaLogicalMonitor *logical_monitor = l->data; ClutterRect logical_monitor_rect = meta_rectangle_to_clutter_rect (&logical_monitor->rect); if (!clutter_rect_intersection (&cursor_rect, &logical_monitor_rect, NULL)) continue; if (calculate_cursor_crtc_sprite_scale (cursor_sprite, logical_monitor) != 1.0) return FALSE; has_visible_crtc_sprite = TRUE; } return has_visible_crtc_sprite; } static gboolean should_have_hw_cursor (MetaCursorRenderer *renderer, MetaCursorSprite *cursor_sprite, GList *gpus) { GList *l; CoglTexture *texture; if (!cursor_sprite) return FALSE; for (l = gpus; l; l = l->next) { MetaGpuKms *gpu_kms = l->data; MetaCursorRendererNativeGpuData *cursor_renderer_gpu_data; cursor_renderer_gpu_data = meta_cursor_renderer_native_gpu_data_from_gpu (gpu_kms); if (!cursor_renderer_gpu_data) return FALSE; if (cursor_renderer_gpu_data->hw_cursor_broken) return FALSE; if (!has_valid_cursor_sprite_gbm_bo (cursor_sprite, gpu_kms)) return FALSE; } if (cursor_over_transformed_logical_monitor (renderer, cursor_sprite)) return FALSE; texture = meta_cursor_sprite_get_cogl_texture (cursor_sprite); if (!texture) return FALSE; if (!can_draw_cursor_unscaled (renderer, cursor_sprite)) return FALSE; return TRUE; } static gboolean meta_cursor_renderer_native_update_animation (MetaCursorRendererNative *native) { MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (native); MetaCursorRenderer *renderer = META_CURSOR_RENDERER (native); MetaCursorSprite *cursor_sprite = meta_cursor_renderer_get_cursor (renderer); priv->animation_timeout_id = 0; meta_cursor_sprite_tick_frame (cursor_sprite); meta_cursor_renderer_force_update (renderer); return G_SOURCE_REMOVE; } static void maybe_schedule_cursor_sprite_animation_frame (MetaCursorRendererNative *native, MetaCursorSprite *cursor_sprite) { MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (native); gboolean cursor_change; guint delay; cursor_change = cursor_sprite != priv->last_cursor; priv->last_cursor = cursor_sprite; if (!cursor_change && priv->animation_timeout_id) return; if (priv->animation_timeout_id) { g_source_remove (priv->animation_timeout_id); priv->animation_timeout_id = 0; } if (cursor_sprite && meta_cursor_sprite_is_animated (cursor_sprite)) { delay = meta_cursor_sprite_get_current_frame_time (cursor_sprite); if (delay == 0) return; priv->animation_timeout_id = g_timeout_add (delay, (GSourceFunc) meta_cursor_renderer_native_update_animation, native); g_source_set_name_by_id (priv->animation_timeout_id, "[mutter] meta_cursor_renderer_native_update_animation"); } } static GList * calculate_cursor_sprite_gpus (MetaCursorRenderer *renderer, MetaCursorSprite *cursor_sprite) { MetaCursorRendererNative *native = META_CURSOR_RENDERER_NATIVE (renderer); MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (native); MetaMonitorManager *monitor_manager = priv->monitor_manager; GList *gpus = NULL; GList *logical_monitors; GList *l; ClutterRect cursor_rect; cursor_rect = meta_cursor_renderer_calculate_rect (renderer, cursor_sprite); logical_monitors = meta_monitor_manager_get_logical_monitors (monitor_manager); for (l = logical_monitors; l; l = l->next) { MetaLogicalMonitor *logical_monitor = l->data; MetaRectangle logical_monitor_layout; ClutterRect logical_monitor_rect; GList *monitors, *l_mon; logical_monitor_layout = meta_logical_monitor_get_layout (logical_monitor); logical_monitor_rect = meta_rectangle_to_clutter_rect (&logical_monitor_layout); if (!clutter_rect_intersection (&cursor_rect, &logical_monitor_rect, NULL)) continue; monitors = meta_logical_monitor_get_monitors (logical_monitor); for (l_mon = monitors; l_mon; l_mon = l_mon->next) { MetaMonitor *monitor = l_mon->data; MetaGpu *gpu; gpu = meta_monitor_get_gpu (monitor); if (!g_list_find (gpus, gpu)) gpus = g_list_prepend (gpus, gpu); } } return gpus; } static gboolean meta_cursor_renderer_native_update_cursor (MetaCursorRenderer *renderer, MetaCursorSprite *cursor_sprite) { MetaCursorRendererNative *native = META_CURSOR_RENDERER_NATIVE (renderer); MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (native); g_autoptr (GList) gpus = NULL; if (cursor_sprite) { meta_cursor_sprite_realize_texture (cursor_sprite); gpus = calculate_cursor_sprite_gpus (renderer, cursor_sprite); realize_cursor_sprite (renderer, cursor_sprite, gpus); } maybe_schedule_cursor_sprite_animation_frame (native, cursor_sprite); priv->has_hw_cursor = should_have_hw_cursor (renderer, cursor_sprite, gpus); update_hw_cursor (native, cursor_sprite); return (priv->has_hw_cursor || !cursor_sprite || !meta_cursor_sprite_get_cogl_texture (cursor_sprite)); } static void cursor_gpu_state_free (MetaCursorNativeGpuState *cursor_gpu_state) { int i; for (i = 0; i < HW_CURSOR_BUFFER_COUNT; i++) g_clear_pointer (&cursor_gpu_state->bos[i], gbm_bo_destroy); g_free (cursor_gpu_state); } static MetaCursorNativeGpuState * get_cursor_gpu_state (MetaCursorNativePrivate *cursor_priv, MetaGpuKms *gpu_kms) { return g_hash_table_lookup (cursor_priv->gpu_states, gpu_kms); } static MetaCursorNativeGpuState * ensure_cursor_gpu_state (MetaCursorNativePrivate *cursor_priv, MetaGpuKms *gpu_kms) { MetaCursorNativeGpuState *cursor_gpu_state; cursor_gpu_state = get_cursor_gpu_state (cursor_priv, gpu_kms); if (cursor_gpu_state) return cursor_gpu_state; cursor_gpu_state = g_new0 (MetaCursorNativeGpuState, 1); g_hash_table_insert (cursor_priv->gpu_states, gpu_kms, cursor_gpu_state); return cursor_gpu_state; } static void on_cursor_sprite_texture_changed (MetaCursorSprite *cursor_sprite) { MetaCursorNativePrivate *cursor_priv = get_cursor_priv (cursor_sprite); GHashTableIter iter; MetaCursorNativeGpuState *cursor_gpu_state; g_hash_table_iter_init (&iter, cursor_priv->gpu_states); while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &cursor_gpu_state)) { guint pending_bo; pending_bo = get_pending_cursor_sprite_gbm_bo_index (cursor_gpu_state); g_clear_pointer (&cursor_gpu_state->bos[pending_bo], gbm_bo_destroy); cursor_gpu_state->pending_bo_state = META_CURSOR_GBM_BO_STATE_INVALIDATED; } } static void cursor_priv_free (MetaCursorNativePrivate *cursor_priv) { g_hash_table_destroy (cursor_priv->gpu_states); } static MetaCursorNativePrivate * get_cursor_priv (MetaCursorSprite *cursor_sprite) { return g_object_get_qdata (G_OBJECT (cursor_sprite), quark_cursor_sprite); } static MetaCursorNativePrivate * ensure_cursor_priv (MetaCursorSprite *cursor_sprite) { MetaCursorNativePrivate *cursor_priv; cursor_priv = get_cursor_priv (cursor_sprite); if (cursor_priv) return cursor_priv; cursor_priv = g_new0 (MetaCursorNativePrivate, 1); cursor_priv->gpu_states = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, (GDestroyNotify) cursor_gpu_state_free); g_object_set_qdata_full (G_OBJECT (cursor_sprite), quark_cursor_sprite, cursor_priv, (GDestroyNotify) cursor_priv_free); g_signal_connect (cursor_sprite, "texture-changed", G_CALLBACK (on_cursor_sprite_texture_changed), NULL); return cursor_priv; } static void load_cursor_sprite_gbm_buffer_for_gpu (MetaCursorRendererNative *native, MetaGpuKms *gpu_kms, MetaCursorSprite *cursor_sprite, uint8_t *pixels, uint width, uint height, int rowstride, uint32_t gbm_format) { uint64_t cursor_width, cursor_height; MetaCursorRendererNativeGpuData *cursor_renderer_gpu_data; struct gbm_device *gbm_device; cursor_renderer_gpu_data = meta_cursor_renderer_native_gpu_data_from_gpu (gpu_kms); if (!cursor_renderer_gpu_data) return; cursor_width = (uint64_t) cursor_renderer_gpu_data->cursor_width; cursor_height = (uint64_t) cursor_renderer_gpu_data->cursor_height; if (width > cursor_width || height > cursor_height) { meta_warning ("Invalid theme cursor size (must be at most %ux%u)\n", (unsigned int)cursor_width, (unsigned int)cursor_height); return; } gbm_device = meta_gbm_device_from_gpu (gpu_kms); if (gbm_device_is_format_supported (gbm_device, gbm_format, GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE)) { struct gbm_bo *bo; uint8_t buf[4 * cursor_width * cursor_height]; uint i; bo = gbm_bo_create (gbm_device, cursor_width, cursor_height, gbm_format, GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE); if (!bo) { meta_warning ("Failed to allocate HW cursor buffer\n"); return; } memset (buf, 0, sizeof(buf)); for (i = 0; i < height; i++) memcpy (buf + i * 4 * cursor_width, pixels + i * rowstride, width * 4); if (gbm_bo_write (bo, buf, cursor_width * cursor_height * 4) != 0) { meta_warning ("Failed to write cursors buffer data: %s", g_strerror (errno)); gbm_bo_destroy (bo); return; } set_pending_cursor_sprite_gbm_bo (cursor_sprite, gpu_kms, bo); } else { meta_warning ("HW cursor for format %d not supported\n", gbm_format); } } static gboolean is_cursor_hw_state_valid (MetaCursorSprite *cursor_sprite, MetaGpuKms *gpu_kms) { MetaCursorNativePrivate *cursor_priv; MetaCursorNativeGpuState *cursor_gpu_state; cursor_priv = get_cursor_priv (cursor_sprite); if (!cursor_priv) return FALSE; cursor_gpu_state = get_cursor_gpu_state (cursor_priv, gpu_kms); if (!cursor_gpu_state) return FALSE; switch (cursor_gpu_state->pending_bo_state) { case META_CURSOR_GBM_BO_STATE_SET: case META_CURSOR_GBM_BO_STATE_NONE: return TRUE; case META_CURSOR_GBM_BO_STATE_INVALIDATED: return FALSE; } g_assert_not_reached (); } #ifdef HAVE_WAYLAND static void realize_cursor_sprite_from_wl_buffer_for_gpu (MetaCursorRenderer *renderer, MetaGpuKms *gpu_kms, MetaCursorSpriteWayland *sprite_wayland) { MetaCursorRendererNative *native = META_CURSOR_RENDERER_NATIVE (renderer); MetaCursorSprite *cursor_sprite = META_CURSOR_SPRITE (sprite_wayland); MetaCursorRendererNativeGpuData *cursor_renderer_gpu_data; uint32_t gbm_format; uint64_t cursor_width, cursor_height; CoglTexture *texture; uint width, height; MetaWaylandBuffer *buffer; struct wl_resource *buffer_resource; struct wl_shm_buffer *shm_buffer; cursor_renderer_gpu_data = meta_cursor_renderer_native_gpu_data_from_gpu (gpu_kms); if (!cursor_renderer_gpu_data || cursor_renderer_gpu_data->hw_cursor_broken) return; if (is_cursor_hw_state_valid (cursor_sprite, gpu_kms)) return; texture = meta_cursor_sprite_get_cogl_texture (cursor_sprite); width = cogl_texture_get_width (texture); height = cogl_texture_get_height (texture); buffer = meta_cursor_sprite_wayland_get_buffer (sprite_wayland); if (!buffer) return; buffer_resource = meta_wayland_buffer_get_resource (buffer); if (!buffer_resource) return; shm_buffer = wl_shm_buffer_get (buffer_resource); if (shm_buffer) { int rowstride = wl_shm_buffer_get_stride (shm_buffer); uint8_t *buffer_data; wl_shm_buffer_begin_access (shm_buffer); switch (wl_shm_buffer_get_format (shm_buffer)) { #if G_BYTE_ORDER == G_BIG_ENDIAN case WL_SHM_FORMAT_ARGB8888: gbm_format = GBM_FORMAT_ARGB8888; break; case WL_SHM_FORMAT_XRGB8888: gbm_format = GBM_FORMAT_XRGB8888; break; #else case WL_SHM_FORMAT_ARGB8888: gbm_format = GBM_FORMAT_ARGB8888; break; case WL_SHM_FORMAT_XRGB8888: gbm_format = GBM_FORMAT_XRGB8888; break; #endif default: g_warn_if_reached (); gbm_format = GBM_FORMAT_ARGB8888; } buffer_data = wl_shm_buffer_get_data (shm_buffer); load_cursor_sprite_gbm_buffer_for_gpu (native, gpu_kms, cursor_sprite, buffer_data, width, height, rowstride, gbm_format); wl_shm_buffer_end_access (shm_buffer); } else { struct gbm_device *gbm_device; struct gbm_bo *bo; /* HW cursors have a predefined size (at least 64x64), which usually is * bigger than cursor theme size, so themed cursors must be padded with * transparent pixels to fill the overlay. This is trivial if we have CPU * access to the data, but it's not possible if the buffer is in GPU * memory (and possibly tiled too), so if we don't get the right size, we * fallback to GL. */ cursor_width = (uint64_t) cursor_renderer_gpu_data->cursor_width; cursor_height = (uint64_t) cursor_renderer_gpu_data->cursor_height; if (width != cursor_width || height != cursor_height) { meta_warning ("Invalid cursor size (must be 64x64), falling back to software (GL) cursors\n"); return; } gbm_device = meta_gbm_device_from_gpu (gpu_kms); bo = gbm_bo_import (gbm_device, GBM_BO_IMPORT_WL_BUFFER, buffer, GBM_BO_USE_CURSOR); if (!bo) { meta_warning ("Importing HW cursor from wl_buffer failed\n"); return; } set_pending_cursor_sprite_gbm_bo (cursor_sprite, gpu_kms, bo); } } #endif static void realize_cursor_sprite_from_xcursor_for_gpu (MetaCursorRenderer *renderer, MetaGpuKms *gpu_kms, MetaCursorSpriteXcursor *sprite_xcursor) { MetaCursorRendererNative *native = META_CURSOR_RENDERER_NATIVE (renderer); MetaCursorRendererNativeGpuData *cursor_renderer_gpu_data; MetaCursorSprite *cursor_sprite = META_CURSOR_SPRITE (sprite_xcursor); XcursorImage *xc_image; cursor_renderer_gpu_data = meta_cursor_renderer_native_gpu_data_from_gpu (gpu_kms); if (!cursor_renderer_gpu_data || cursor_renderer_gpu_data->hw_cursor_broken) return; if (is_cursor_hw_state_valid (cursor_sprite, gpu_kms)) return; xc_image = meta_cursor_sprite_xcursor_get_current_image (sprite_xcursor); load_cursor_sprite_gbm_buffer_for_gpu (native, gpu_kms, cursor_sprite, (uint8_t *) xc_image->pixels, xc_image->width, xc_image->height, xc_image->width * 4, GBM_FORMAT_ARGB8888); } static void realize_cursor_sprite_for_gpu (MetaCursorRenderer *renderer, MetaGpuKms *gpu_kms, MetaCursorSprite *cursor_sprite) { if (META_IS_CURSOR_SPRITE_XCURSOR (cursor_sprite)) { MetaCursorSpriteXcursor *sprite_xcursor = META_CURSOR_SPRITE_XCURSOR (cursor_sprite); realize_cursor_sprite_from_xcursor_for_gpu (renderer, gpu_kms, sprite_xcursor); } #ifdef HAVE_WAYLAND else if (META_IS_CURSOR_SPRITE_WAYLAND (cursor_sprite)) { MetaCursorSpriteWayland *sprite_wayland = META_CURSOR_SPRITE_WAYLAND (cursor_sprite); realize_cursor_sprite_from_wl_buffer_for_gpu (renderer, gpu_kms, sprite_wayland); } #endif } static void realize_cursor_sprite (MetaCursorRenderer *renderer, MetaCursorSprite *cursor_sprite, GList *gpus) { GList *l; for (l = gpus; l; l = l->next) { MetaGpuKms *gpu_kms = l->data; realize_cursor_sprite_for_gpu (renderer, gpu_kms, cursor_sprite); } } static void meta_cursor_renderer_native_class_init (MetaCursorRendererNativeClass *klass) { MetaCursorRendererClass *renderer_class = META_CURSOR_RENDERER_CLASS (klass); GObjectClass *object_class = G_OBJECT_CLASS (klass); object_class->finalize = meta_cursor_renderer_native_finalize; renderer_class->update_cursor = meta_cursor_renderer_native_update_cursor; quark_cursor_sprite = g_quark_from_static_string ("-meta-cursor-native"); quark_cursor_renderer_native_gpu_data = g_quark_from_static_string ("-meta-cursor-renderer-native-gpu-data"); } static void force_update_hw_cursor (MetaCursorRendererNative *native) { MetaCursorRenderer *renderer = META_CURSOR_RENDERER (native); MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (native); priv->hw_state_invalidated = TRUE; meta_cursor_renderer_force_update (renderer); } static void on_monitors_changed (MetaMonitorManager *monitors, MetaCursorRendererNative *native) { force_update_hw_cursor (native); } static void init_hw_cursor_support (MetaCursorRendererNative *cursor_renderer_native) { MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (cursor_renderer_native); GList *gpus; GList *l; gpus = meta_monitor_manager_get_gpus (priv->monitor_manager); for (l = gpus; l; l = l->next) { MetaGpuKms *gpu_kms = l->data; MetaCursorRendererNativeGpuData *cursor_renderer_gpu_data; int kms_fd; struct gbm_device *gbm_device; uint64_t width, height; gbm_device = meta_gbm_device_from_gpu (gpu_kms); if (!gbm_device) continue; cursor_renderer_gpu_data = meta_create_cursor_renderer_native_gpu_data (gpu_kms); kms_fd = meta_gpu_kms_get_fd (gpu_kms); if (drmGetCap (kms_fd, DRM_CAP_CURSOR_WIDTH, &width) == 0 && drmGetCap (kms_fd, DRM_CAP_CURSOR_HEIGHT, &height) == 0) { cursor_renderer_gpu_data->cursor_width = width; cursor_renderer_gpu_data->cursor_height = height; } else { cursor_renderer_gpu_data->cursor_width = 64; cursor_renderer_gpu_data->cursor_height = 64; } } } MetaCursorRendererNative * meta_cursor_renderer_native_new (MetaBackend *backend) { MetaMonitorManager *monitor_manager = meta_backend_get_monitor_manager (backend); MetaCursorRendererNative *cursor_renderer_native; MetaCursorRendererNativePrivate *priv; cursor_renderer_native = g_object_new (META_TYPE_CURSOR_RENDERER_NATIVE, NULL); priv = meta_cursor_renderer_native_get_instance_private (cursor_renderer_native); g_signal_connect_object (monitor_manager, "monitors-changed-internal", G_CALLBACK (on_monitors_changed), cursor_renderer_native, 0); priv->monitor_manager = monitor_manager; priv->hw_state_invalidated = TRUE; init_hw_cursor_support (cursor_renderer_native); return cursor_renderer_native; } static void meta_cursor_renderer_native_init (MetaCursorRendererNative *native) { }