[PATCH 03/24] display: move more logic in display_channel_get_drawable()

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Signed-off-by: Marc-André Lureau <marcandre.lureau@xxxxxxxxx>
Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
 server/display-channel.c | 185 +++++++++++++++++++++++++++++++++++++++++++++++
 server/display-channel.h |  15 ----
 server/red_worker.c      | 172 -------------------------------------------
 3 files changed, 185 insertions(+), 187 deletions(-)

diff --git a/server/display-channel.c b/server/display-channel.c
index 50837d4..0b4415b 100644
--- a/server/display-channel.c
+++ b/server/display-channel.c
@@ -916,6 +916,152 @@ void display_channel_print_stats(DisplayChannel *display)
 #endif
 }
 
+static inline void red_inc_surfaces_drawable_dependencies(DisplayChannel *display, Drawable *drawable)
+{
+    int x;
+    int surface_id;
+    RedSurface *surface;
+
+    for (x = 0; x < 3; ++x) {
+        surface_id = drawable->surface_deps[x];
+        if (surface_id == -1) {
+            continue;
+        }
+        surface = &display->surfaces[surface_id];
+        surface->refs++;
+    }
+}
+
+static void red_get_area(DisplayChannel *display, int surface_id, const SpiceRect *area,
+                         uint8_t *dest, int dest_stride, int update)
+{
+    SpiceCanvas *canvas;
+    RedSurface *surface;
+
+    surface = &display->surfaces[surface_id];
+    if (update) {
+        display_channel_draw(display, area, surface_id);
+    }
+
+    canvas = surface->context.canvas;
+    canvas->ops->read_bits(canvas, dest, dest_stride, area);
+}
+
+static int display_channel_handle_self_bitmap(DisplayChannel *display, Drawable *drawable)
+{
+    SpiceImage *image;
+    int32_t width;
+    int32_t height;
+    uint8_t *dest;
+    int dest_stride;
+    RedSurface *surface;
+    int bpp;
+    int all_set;
+    RedDrawable *red_drawable = drawable->red_drawable;
+
+    if (!red_drawable->self_bitmap) {
+        return TRUE;
+    }
+
+    surface = &display->surfaces[drawable->surface_id];
+
+    bpp = SPICE_SURFACE_FMT_DEPTH(surface->context.format) / 8;
+
+    width = red_drawable->self_bitmap_area.right
+            - red_drawable->self_bitmap_area.left;
+    height = red_drawable->self_bitmap_area.bottom
+            - red_drawable->self_bitmap_area.top;
+    dest_stride = SPICE_ALIGN(width * bpp, 4);
+
+    image = spice_new0(SpiceImage, 1);
+    image->descriptor.type = SPICE_IMAGE_TYPE_BITMAP;
+    image->descriptor.flags = 0;
+
+    QXL_SET_IMAGE_ID(image, QXL_IMAGE_GROUP_RED, display_channel_generate_uid(display));
+    image->u.bitmap.flags = surface->context.top_down ? SPICE_BITMAP_FLAGS_TOP_DOWN : 0;
+    image->u.bitmap.format = spice_bitmap_from_surface_type(surface->context.format);
+    image->u.bitmap.stride = dest_stride;
+    image->descriptor.width = image->u.bitmap.x = width;
+    image->descriptor.height = image->u.bitmap.y = height;
+    image->u.bitmap.palette = NULL;
+
+    dest = (uint8_t *)spice_malloc_n(height, dest_stride);
+    image->u.bitmap.data = spice_chunks_new_linear(dest, height * dest_stride);
+    image->u.bitmap.data->flags |= SPICE_CHUNKS_FLAGS_FREE;
+
+    red_get_area(display, drawable->surface_id,
+                 &red_drawable->self_bitmap_area, dest, dest_stride, TRUE);
+
+    /* For 32bit non-primary surfaces we need to keep any non-zero
+       high bytes as the surface may be used as source to an alpha_blend */
+    if (!is_primary_surface(display, drawable->surface_id) &&
+        image->u.bitmap.format == SPICE_BITMAP_FMT_32BIT &&
+        rgb32_data_has_alpha(width, height, dest_stride, dest, &all_set)) {
+        if (all_set) {
+            image->descriptor.flags |= SPICE_IMAGE_FLAGS_HIGH_BITS_SET;
+        } else {
+            image->u.bitmap.format = SPICE_BITMAP_FMT_RGBA;
+        }
+    }
+
+    red_drawable->self_bitmap_image = image;
+    return TRUE;
+}
+
+static inline void add_to_surface_dependency(DisplayChannel *display, int depend_on_surface_id,
+                                             DependItem *depend_item, Drawable *drawable)
+{
+    RedSurface *surface;
+
+    if (depend_on_surface_id == -1) {
+        depend_item->drawable = NULL;
+        return;
+    }
+
+    surface = &display->surfaces[depend_on_surface_id];
+
+    depend_item->drawable = drawable;
+    ring_add(&surface->depend_on_me, &depend_item->ring_item);
+}
+
+static inline int red_handle_surfaces_dependencies(DisplayChannel *display, Drawable *drawable)
+{
+    int x;
+
+    for (x = 0; x < 3; ++x) {
+        // surface self dependency is handled by shadows in "current", or by
+        // handle_self_bitmap
+        if (drawable->surface_deps[x] != drawable->surface_id) {
+            add_to_surface_dependency(display, drawable->surface_deps[x],
+                                      &drawable->depend_items[x], drawable);
+
+            if (drawable->surface_deps[x] == 0) {
+                QRegion depend_region;
+                region_init(&depend_region);
+                region_add(&depend_region, &drawable->red_drawable->surfaces_rects[x]);
+                detach_streams_behind(display, &depend_region, NULL);
+            }
+        }
+    }
+
+    return TRUE;
+}
+
+static void draw_depend_on_me(DisplayChannel *display, uint32_t surface_id)
+{
+    RedSurface *surface;
+    RingItem *ring_item;
+
+    surface = &display->surfaces[surface_id];
+
+    while ((ring_item = ring_get_tail(&surface->depend_on_me))) {
+        Drawable *drawable;
+        DependItem *depended_item = SPICE_CONTAINEROF(ring_item, DependItem, ring_item);
+        drawable = depended_item->drawable;
+        display_channel_draw(display, &drawable->red_drawable->bbox, drawable->surface_id);
+    }
+}
+
 static int validate_drawable_bbox(DisplayChannel *display, RedDrawable *drawable)
 {
         DrawContext *context;
@@ -980,6 +1126,45 @@ void display_channel_add_drawable(DisplayChannel *display, Drawable *drawable)
 {
     int success = FALSE, surface_id = drawable->surface_id;
     RedDrawable *red_drawable = drawable->red_drawable;
+
+    red_drawable->mm_time = reds_get_mm_time();
+    surface_id = drawable->surface_id;
+
+    display->surfaces[surface_id].refs++;
+
+    region_add(&drawable->tree_item.base.rgn, &red_drawable->bbox);
+
+    if (red_drawable->clip.type == SPICE_CLIP_TYPE_RECTS) {
+        QRegion rgn;
+
+        region_init(&rgn);
+        region_add_clip_rects(&rgn, red_drawable->clip.rects);
+        region_and(&drawable->tree_item.base.rgn, &rgn);
+        region_destroy(&rgn);
+    }
+
+    /*
+        surface->refs is affected by a drawable (that is
+        dependent on the surface) as long as the drawable is alive.
+        However, surface->depend_on_me is affected by a drawable only
+        as long as it is in the current tree (hasn't been rendered yet).
+    */
+    red_inc_surfaces_drawable_dependencies(display, drawable);
+
+    if (region_is_empty(&drawable->tree_item.base.rgn)) {
+        return;
+    }
+
+    if (!display_channel_handle_self_bitmap(display, drawable)) {
+        return;
+    }
+
+    draw_depend_on_me(display, surface_id);
+
+    if (!red_handle_surfaces_dependencies(display, drawable)) {
+        return;
+    }
+
     Ring *ring = &display->surfaces[surface_id].current;
 
     if (has_shadow(red_drawable)) {
diff --git a/server/display-channel.h b/server/display-channel.h
index eed1f26..195004d 100644
--- a/server/display-channel.h
+++ b/server/display-channel.h
@@ -436,19 +436,4 @@ static inline void region_add_clip_rects(QRegion *rgn, SpiceClipRects *data)
     }
 }
 
-static inline void draw_depend_on_me(DisplayChannel *display, uint32_t surface_id)
-{
-    RedSurface *surface;
-    RingItem *ring_item;
-
-    surface = &display->surfaces[surface_id];
-
-    while ((ring_item = ring_get_tail(&surface->depend_on_me))) {
-        Drawable *drawable;
-        DependItem *depended_item = SPICE_CONTAINEROF(ring_item, DependItem, ring_item);
-        drawable = depended_item->drawable;
-        display_channel_draw(display, &drawable->red_drawable->bbox, drawable->surface_id);
-    }
-}
-
 #endif /* DISPLAY_CHANNEL_H_ */
diff --git a/server/red_worker.c b/server/red_worker.c
index 6e63045..ee26b63 100644
--- a/server/red_worker.c
+++ b/server/red_worker.c
@@ -172,143 +172,10 @@ void red_drawable_unref(RedWorker *worker, RedDrawable *red_drawable,
     free(red_drawable);
 }
 
-static void red_get_area(DisplayChannel *display, int surface_id, const SpiceRect *area,
-                         uint8_t *dest, int dest_stride, int update)
-{
-    SpiceCanvas *canvas;
-    RedSurface *surface;
-
-    surface = &display->surfaces[surface_id];
-    if (update) {
-        display_channel_draw(display, area, surface_id);
-    }
-
-    canvas = surface->context.canvas;
-    canvas->ops->read_bits(canvas, dest, dest_stride, area);
-}
-
-static inline int red_handle_self_bitmap(RedWorker *worker, Drawable *drawable)
-{
-    DisplayChannel *display = worker->display_channel;
-    SpiceImage *image;
-    int32_t width;
-    int32_t height;
-    uint8_t *dest;
-    int dest_stride;
-    RedSurface *surface;
-    int bpp;
-    int all_set;
-    RedDrawable *red_drawable = drawable->red_drawable;
-
-    if (!red_drawable->self_bitmap) {
-        return TRUE;
-    }
-
-    surface = &display->surfaces[drawable->surface_id];
-
-    bpp = SPICE_SURFACE_FMT_DEPTH(surface->context.format) / 8;
-
-    width = red_drawable->self_bitmap_area.right
-            - red_drawable->self_bitmap_area.left;
-    height = red_drawable->self_bitmap_area.bottom
-            - red_drawable->self_bitmap_area.top;
-    dest_stride = SPICE_ALIGN(width * bpp, 4);
-
-    image = spice_new0(SpiceImage, 1);
-    image->descriptor.type = SPICE_IMAGE_TYPE_BITMAP;
-    image->descriptor.flags = 0;
-
-    QXL_SET_IMAGE_ID(image, QXL_IMAGE_GROUP_RED, display_channel_generate_uid(display));
-    image->u.bitmap.flags = surface->context.top_down ? SPICE_BITMAP_FLAGS_TOP_DOWN : 0;
-    image->u.bitmap.format = spice_bitmap_from_surface_type(surface->context.format);
-    image->u.bitmap.stride = dest_stride;
-    image->descriptor.width = image->u.bitmap.x = width;
-    image->descriptor.height = image->u.bitmap.y = height;
-    image->u.bitmap.palette = NULL;
-
-    dest = (uint8_t *)spice_malloc_n(height, dest_stride);
-    image->u.bitmap.data = spice_chunks_new_linear(dest, height * dest_stride);
-    image->u.bitmap.data->flags |= SPICE_CHUNKS_FLAGS_FREE;
-
-    red_get_area(display, drawable->surface_id,
-                 &red_drawable->self_bitmap_area, dest, dest_stride, TRUE);
-
-    /* For 32bit non-primary surfaces we need to keep any non-zero
-       high bytes as the surface may be used as source to an alpha_blend */
-    if (!is_primary_surface(display, drawable->surface_id) &&
-        image->u.bitmap.format == SPICE_BITMAP_FMT_32BIT &&
-        rgb32_data_has_alpha(width, height, dest_stride, dest, &all_set)) {
-        if (all_set) {
-            image->descriptor.flags |= SPICE_IMAGE_FLAGS_HIGH_BITS_SET;
-        } else {
-            image->u.bitmap.format = SPICE_BITMAP_FMT_RGBA;
-        }
-    }
-
-    red_drawable->self_bitmap_image = image;
-    return TRUE;
-}
-
-static inline void add_to_surface_dependency(DisplayChannel *display, int depend_on_surface_id,
-                                             DependItem *depend_item, Drawable *drawable)
-{
-    RedSurface *surface;
-
-    if (depend_on_surface_id == -1) {
-        depend_item->drawable = NULL;
-        return;
-    }
-
-    surface = &display->surfaces[depend_on_surface_id];
-
-    depend_item->drawable = drawable;
-    ring_add(&surface->depend_on_me, &depend_item->ring_item);
-}
-
-static inline int red_handle_surfaces_dependencies(DisplayChannel *display, Drawable *drawable)
-{
-    int x;
-
-    for (x = 0; x < 3; ++x) {
-        // surface self dependency is handled by shadows in "current", or by
-        // handle_self_bitmap
-        if (drawable->surface_deps[x] != drawable->surface_id) {
-            add_to_surface_dependency(display, drawable->surface_deps[x],
-                                      &drawable->depend_items[x], drawable);
-
-            if (drawable->surface_deps[x] == 0) {
-                QRegion depend_region;
-                region_init(&depend_region);
-                region_add(&depend_region, &drawable->red_drawable->surfaces_rects[x]);
-                detach_streams_behind(display, &depend_region, NULL);
-            }
-        }
-    }
-
-    return TRUE;
-}
-
-static inline void red_inc_surfaces_drawable_dependencies(DisplayChannel *display, Drawable *drawable)
-{
-    int x;
-    int surface_id;
-    RedSurface *surface;
-
-    for (x = 0; x < 3; ++x) {
-        surface_id = drawable->surface_deps[x];
-        if (surface_id == -1) {
-            continue;
-        }
-        surface = &display->surfaces[surface_id];
-        surface->refs++;
-    }
-}
-
 static inline void red_process_draw(RedWorker *worker, RedDrawable *red_drawable,
                                     uint32_t group_id)
 {
     DisplayChannel *display = worker->display_channel;
-    int surface_id;
     Drawable *drawable =
         display_channel_get_drawable(display, red_drawable->effect, red_drawable, group_id,
                                      worker->process_commands_generation);
@@ -317,47 +184,8 @@ static inline void red_process_draw(RedWorker *worker, RedDrawable *red_drawable
         return;
     }
 
-    red_drawable->mm_time = reds_get_mm_time();
-    surface_id = drawable->surface_id;
-
-    display->surfaces[surface_id].refs++;
-
-    region_add(&drawable->tree_item.base.rgn, &red_drawable->bbox);
-
-    if (red_drawable->clip.type == SPICE_CLIP_TYPE_RECTS) {
-        QRegion rgn;
-
-        region_init(&rgn);
-        region_add_clip_rects(&rgn, red_drawable->clip.rects);
-        region_and(&drawable->tree_item.base.rgn, &rgn);
-        region_destroy(&rgn);
-    }
-
-    /*
-        surface->refs is affected by a drawable (that is
-        dependent on the surface) as long as the drawable is alive.
-        However, surface->depend_on_me is affected by a drawable only
-        as long as it is in the current tree (hasn't been rendered yet).
-    */
-    red_inc_surfaces_drawable_dependencies(worker->display_channel, drawable);
-
-    if (region_is_empty(&drawable->tree_item.base.rgn)) {
-        goto cleanup;
-    }
-
-    if (!red_handle_self_bitmap(worker, drawable)) {
-        goto cleanup;
-    }
-
-    draw_depend_on_me(display, surface_id);
-
-    if (!red_handle_surfaces_dependencies(worker->display_channel, drawable)) {
-        goto cleanup;
-    }
-
     display_channel_add_drawable(worker->display_channel, drawable);
 
-cleanup:
     display_channel_drawable_unref(display, drawable);
 }
 
-- 
2.4.3

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