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authorMarc-André Lureau <marcandre.lureau@gmail.com>2013-09-26 23:04:01 +0200
committerFrediano Ziglio <fziglio@redhat.com>2015-11-24 09:04:16 +0000
commit4e8f24e3510ce8cb3fa6b1ce5509b94cc1478917 (patch)
tree5141dc9d08ce9c2c556e22c107c142a8a75a96b1
parent56e0ef7c33e5cb4b87dcf38a99b86316c9962839 (diff)
downloadspice-4e8f24e3510ce8cb3fa6b1ce5509b94cc1478917.zip
spice-4e8f24e3510ce8cb3fa6b1ce5509b94cc1478917.tar.gz
spice-4e8f24e3510ce8cb3fa6b1ce5509b94cc1478917.tar.xz
worker: move drawable_draw
Acked-by: Fabiano Fidêncio <fabiano@fidencio.org> Acked-by: Jonathon Jongsma <jjongsma@redhat.com> Acked-by: Frediano Ziglio <fziglio@redhat.com>
-rw-r--r--server/display-channel.c236
-rw-r--r--server/display-channel.h8
-rw-r--r--server/red_worker.c251
3 files changed, 248 insertions, 247 deletions
diff --git a/server/display-channel.c b/server/display-channel.c
index ba7f443..5e75019 100644
--- a/server/display-channel.c
+++ b/server/display-channel.c
@@ -1000,6 +1000,22 @@ static Drawable* drawable_try_new(DisplayChannel *display)
return drawable;
}
+static void drawable_free(DisplayChannel *display, Drawable *drawable)
+{
+ ((_Drawable *)drawable)->u.next = display->free_drawables;
+ display->free_drawables = (_Drawable *)drawable;
+}
+
+void drawables_init(DisplayChannel *display)
+{
+ int i;
+
+ display->free_drawables = NULL;
+ for (i = 0; i < NUM_DRAWABLES; i++) {
+ drawable_free(display, &display->drawables[i].u.drawable);
+ }
+}
+
Drawable *display_channel_drawable_try_new(DisplayChannel *display,
int group_id, int process_commands_generation)
{
@@ -1025,3 +1041,223 @@ Drawable *display_channel_drawable_try_new(DisplayChannel *display,
return drawable;
}
+
+static void depended_item_remove(DependItem *item)
+{
+ spice_return_if_fail(item->drawable);
+ spice_return_if_fail(ring_item_is_linked(&item->ring_item));
+
+ item->drawable = NULL;
+ ring_remove(&item->ring_item);
+}
+
+static void drawable_remove_dependencies(DisplayChannel *display, Drawable *drawable)
+{
+ int x;
+ int surface_id;
+
+ for (x = 0; x < 3; ++x) {
+ surface_id = drawable->surface_deps[x];
+ if (surface_id != -1 && drawable->depend_items[x].drawable) {
+ depended_item_remove(&drawable->depend_items[x]);
+ }
+ }
+}
+
+static void drawable_unref_surface_deps(DisplayChannel *display, Drawable *drawable)
+{
+ int x;
+ int surface_id;
+
+ for (x = 0; x < 3; ++x) {
+ surface_id = drawable->surface_deps[x];
+ if (surface_id == -1) {
+ continue;
+ }
+ display_channel_surface_unref(display, surface_id);
+ }
+}
+
+void display_channel_drawable_unref(DisplayChannel *display, Drawable *drawable)
+{
+ RingItem *item, *next;
+
+ if (--drawable->refs != 0)
+ return;
+
+ spice_warn_if_fail(!drawable->tree_item.shadow);
+ spice_warn_if_fail(ring_is_empty(&drawable->pipes));
+
+ if (drawable->stream) {
+ detach_stream(display, drawable->stream, TRUE);
+ }
+ region_destroy(&drawable->tree_item.base.rgn);
+
+ drawable_remove_dependencies(display, drawable);
+ drawable_unref_surface_deps(display, drawable);
+ display_channel_surface_unref(display, drawable->surface_id);
+
+ RING_FOREACH_SAFE(item, next, &drawable->glz_ring) {
+ SPICE_CONTAINEROF(item, RedGlzDrawable, drawable_link)->drawable = NULL;
+ ring_remove(item);
+ }
+ if (drawable->red_drawable) {
+ red_drawable_unref(COMMON_CHANNEL(display)->worker, drawable->red_drawable, drawable->group_id);
+ }
+ drawable_free(display, drawable);
+ display->drawable_count--;
+}
+
+static void drawable_deps_draw(DisplayChannel *display, Drawable *drawable)
+{
+ int x;
+ int surface_id;
+
+ for (x = 0; x < 3; ++x) {
+ surface_id = drawable->surface_deps[x];
+ if (surface_id != -1 && drawable->depend_items[x].drawable) {
+ depended_item_remove(&drawable->depend_items[x]);
+ display_channel_draw(display, &drawable->red_drawable->surfaces_rects[x], surface_id);
+ }
+ }
+}
+
+void drawable_draw(DisplayChannel *display, Drawable *drawable)
+{
+ RedSurface *surface;
+ SpiceCanvas *canvas;
+ SpiceClip clip = drawable->red_drawable->clip;
+
+ drawable_deps_draw(display, drawable);
+
+ surface = &display->surfaces[drawable->surface_id];
+ canvas = surface->context.canvas;
+ spice_return_if_fail(canvas);
+
+ image_cache_aging(&display->image_cache);
+
+ region_add(&surface->draw_dirty_region, &drawable->red_drawable->bbox);
+
+ switch (drawable->red_drawable->type) {
+ case QXL_DRAW_FILL: {
+ SpiceFill fill = drawable->red_drawable->u.fill;
+ SpiceImage img1, img2;
+ image_cache_localize_brush(&display->image_cache, &fill.brush, &img1);
+ image_cache_localize_mask(&display->image_cache, &fill.mask, &img2);
+ canvas->ops->draw_fill(canvas, &drawable->red_drawable->bbox,
+ &clip, &fill);
+ break;
+ }
+ case QXL_DRAW_OPAQUE: {
+ SpiceOpaque opaque = drawable->red_drawable->u.opaque;
+ SpiceImage img1, img2, img3;
+ image_cache_localize_brush(&display->image_cache, &opaque.brush, &img1);
+ image_cache_localize(&display->image_cache, &opaque.src_bitmap, &img2, drawable);
+ image_cache_localize_mask(&display->image_cache, &opaque.mask, &img3);
+ canvas->ops->draw_opaque(canvas, &drawable->red_drawable->bbox, &clip, &opaque);
+ break;
+ }
+ case QXL_DRAW_COPY: {
+ SpiceCopy copy = drawable->red_drawable->u.copy;
+ SpiceImage img1, img2;
+ image_cache_localize(&display->image_cache, &copy.src_bitmap, &img1, drawable);
+ image_cache_localize_mask(&display->image_cache, &copy.mask, &img2);
+ canvas->ops->draw_copy(canvas, &drawable->red_drawable->bbox,
+ &clip, &copy);
+ break;
+ }
+ case QXL_DRAW_TRANSPARENT: {
+ SpiceTransparent transparent = drawable->red_drawable->u.transparent;
+ SpiceImage img1;
+ image_cache_localize(&display->image_cache, &transparent.src_bitmap, &img1, drawable);
+ canvas->ops->draw_transparent(canvas,
+ &drawable->red_drawable->bbox, &clip, &transparent);
+ break;
+ }
+ case QXL_DRAW_ALPHA_BLEND: {
+ SpiceAlphaBlend alpha_blend = drawable->red_drawable->u.alpha_blend;
+ SpiceImage img1;
+ image_cache_localize(&display->image_cache, &alpha_blend.src_bitmap, &img1, drawable);
+ canvas->ops->draw_alpha_blend(canvas,
+ &drawable->red_drawable->bbox, &clip, &alpha_blend);
+ break;
+ }
+ case QXL_COPY_BITS: {
+ canvas->ops->copy_bits(canvas, &drawable->red_drawable->bbox,
+ &clip, &drawable->red_drawable->u.copy_bits.src_pos);
+ break;
+ }
+ case QXL_DRAW_BLEND: {
+ SpiceBlend blend = drawable->red_drawable->u.blend;
+ SpiceImage img1, img2;
+ image_cache_localize(&display->image_cache, &blend.src_bitmap, &img1, drawable);
+ image_cache_localize_mask(&display->image_cache, &blend.mask, &img2);
+ canvas->ops->draw_blend(canvas, &drawable->red_drawable->bbox,
+ &clip, &blend);
+ break;
+ }
+ case QXL_DRAW_BLACKNESS: {
+ SpiceBlackness blackness = drawable->red_drawable->u.blackness;
+ SpiceImage img1;
+ image_cache_localize_mask(&display->image_cache, &blackness.mask, &img1);
+ canvas->ops->draw_blackness(canvas,
+ &drawable->red_drawable->bbox, &clip, &blackness);
+ break;
+ }
+ case QXL_DRAW_WHITENESS: {
+ SpiceWhiteness whiteness = drawable->red_drawable->u.whiteness;
+ SpiceImage img1;
+ image_cache_localize_mask(&display->image_cache, &whiteness.mask, &img1);
+ canvas->ops->draw_whiteness(canvas,
+ &drawable->red_drawable->bbox, &clip, &whiteness);
+ break;
+ }
+ case QXL_DRAW_INVERS: {
+ SpiceInvers invers = drawable->red_drawable->u.invers;
+ SpiceImage img1;
+ image_cache_localize_mask(&display->image_cache, &invers.mask, &img1);
+ canvas->ops->draw_invers(canvas,
+ &drawable->red_drawable->bbox, &clip, &invers);
+ break;
+ }
+ case QXL_DRAW_ROP3: {
+ SpiceRop3 rop3 = drawable->red_drawable->u.rop3;
+ SpiceImage img1, img2, img3;
+ image_cache_localize_brush(&display->image_cache, &rop3.brush, &img1);
+ image_cache_localize(&display->image_cache, &rop3.src_bitmap, &img2, drawable);
+ image_cache_localize_mask(&display->image_cache, &rop3.mask, &img3);
+ canvas->ops->draw_rop3(canvas, &drawable->red_drawable->bbox,
+ &clip, &rop3);
+ break;
+ }
+ case QXL_DRAW_COMPOSITE: {
+ SpiceComposite composite = drawable->red_drawable->u.composite;
+ SpiceImage src, mask;
+ image_cache_localize(&display->image_cache, &composite.src_bitmap, &src, drawable);
+ if (composite.mask_bitmap)
+ image_cache_localize(&display->image_cache, &composite.mask_bitmap, &mask, drawable);
+ canvas->ops->draw_composite(canvas, &drawable->red_drawable->bbox,
+ &clip, &composite);
+ break;
+ }
+ case QXL_DRAW_STROKE: {
+ SpiceStroke stroke = drawable->red_drawable->u.stroke;
+ SpiceImage img1;
+ image_cache_localize_brush(&display->image_cache, &stroke.brush, &img1);
+ canvas->ops->draw_stroke(canvas,
+ &drawable->red_drawable->bbox, &clip, &stroke);
+ break;
+ }
+ case QXL_DRAW_TEXT: {
+ SpiceText text = drawable->red_drawable->u.text;
+ SpiceImage img1, img2;
+ image_cache_localize_brush(&display->image_cache, &text.fore_brush, &img1);
+ image_cache_localize_brush(&display->image_cache, &text.back_brush, &img2);
+ canvas->ops->draw_text(canvas, &drawable->red_drawable->bbox,
+ &clip, &text);
+ break;
+ }
+ default:
+ spice_warning("invalid type");
+ }
+}
diff --git a/server/display-channel.h b/server/display-channel.h
index e624a6b..391e4ab 100644
--- a/server/display-channel.h
+++ b/server/display-channel.h
@@ -251,6 +251,13 @@ typedef struct UpgradeItem {
} UpgradeItem;
+void display_channel_draw (DisplayChannel *display,
+ const SpiceRect *area,
+ int surface_id);
+void display_channel_draw_till (DisplayChannel *display,
+ const SpiceRect *area,
+ int surface_id,
+ Drawable *last);
void display_channel_free_some (DisplayChannel *display);
void display_channel_set_stream_video (DisplayChannel *display,
int stream_video);
@@ -395,5 +402,6 @@ void current_remove(DisplayChannel *display, TreeItem *item);
void detach_streams_behind(DisplayChannel *display, QRegion *region, Drawable *drawable);
void drawable_draw(DisplayChannel *display, Drawable *item);
void current_remove_all(DisplayChannel *display, int surface_id);
+void drawables_init(DisplayChannel *display);
#endif /* DISPLAY_CHANNEL_H_ */
diff --git a/server/red_worker.c b/server/red_worker.c
index 78af6cb..ea957b6 100644
--- a/server/red_worker.c
+++ b/server/red_worker.c
@@ -137,9 +137,6 @@ typedef struct BitmapData {
static inline int validate_surface(DisplayChannel *display, uint32_t surface_id);
-static void display_channel_draw(DisplayChannel *display, const SpiceRect *area, int surface_id);
-static void display_channel_draw_till(DisplayChannel *display, const SpiceRect *area, int surface_id,
- Drawable *last);
static inline void display_begin_send_message(RedChannelClient *rcc);
static void red_create_surface(DisplayChannel *display, uint32_t surface_id, uint32_t width,
uint32_t height, int32_t stride, uint32_t format,
@@ -251,24 +248,6 @@ static void common_release_recv_buf(RedChannelClient *rcc, uint16_t type, uint32
}
}
-
-static void drawable_free(DisplayChannel *display, Drawable *drawable)
-{
- ((_Drawable *)drawable)->u.next = display->free_drawables;
- display->free_drawables = (_Drawable *)drawable;
-}
-
-static void drawables_init(DisplayChannel *display)
-{
- int i;
-
- display->free_drawables = NULL;
- for (i = 0; i < NUM_DRAWABLES; i++) {
- drawable_free(display, &display->drawables[i].u.drawable);
- }
-}
-
-
static inline void set_surface_release_info(QXLReleaseInfoExt *release_info_ext,
QXLReleaseInfo *release_info, uint32_t group_id)
{
@@ -292,69 +271,6 @@ void red_drawable_unref(RedWorker *worker, RedDrawable *red_drawable,
free(red_drawable);
}
-static void remove_depended_item(DependItem *item)
-{
- spice_assert(item->drawable);
- spice_assert(ring_item_is_linked(&item->ring_item));
- item->drawable = NULL;
- ring_remove(&item->ring_item);
-}
-
-static void drawable_unref_surface_deps(DisplayChannel *display, Drawable *drawable)
-{
- int x;
- int surface_id;
-
- for (x = 0; x < 3; ++x) {
- surface_id = drawable->surface_deps[x];
- if (surface_id == -1) {
- continue;
- }
- display_channel_surface_unref(display, surface_id);
- }
-}
-
-static void drawable_remove_dependencies(DisplayChannel *display, Drawable *drawable)
-{
- int x;
- int surface_id;
-
- for (x = 0; x < 3; ++x) {
- surface_id = drawable->surface_deps[x];
- if (surface_id != -1 && drawable->depend_items[x].drawable) {
- remove_depended_item(&drawable->depend_items[x]);
- }
- }
-}
-
-void display_channel_drawable_unref(DisplayChannel *display, Drawable *drawable)
-{
- RingItem *item, *next;
-
- if (--drawable->refs != 0)
- return;
-
- spice_warn_if_fail(!drawable->tree_item.shadow);
- spice_warn_if_fail(ring_is_empty(&drawable->pipes));
-
- if (drawable->stream) {
- detach_stream(display, drawable->stream, TRUE);
- }
- region_destroy(&drawable->tree_item.base.rgn);
-
- drawable_remove_dependencies(display, drawable);
- drawable_unref_surface_deps(display, drawable);
- display_channel_surface_unref(display, drawable->surface_id);
-
- RING_FOREACH_SAFE(item, next, &drawable->glz_ring) {
- SPICE_CONTAINEROF(item, RedGlzDrawable, drawable_link)->drawable = NULL;
- ring_remove(item);
- }
- red_drawable_unref(COMMON_CHANNEL(display)->worker, drawable->red_drawable, drawable->group_id);
- drawable_free(display, drawable);
- display->drawable_count--;
-}
-
static void display_stream_trace_add_drawable(DisplayChannel *display, Drawable *item)
{
ItemTrace *trace;
@@ -374,25 +290,6 @@ static void display_stream_trace_add_drawable(DisplayChannel *display, Drawable
trace->dest_area = item->red_drawable->bbox;
}
-static void surface_flush(DisplayChannel *display, int surface_id, SpiceRect *rect)
-{
- display_channel_draw(display, rect, surface_id);
-}
-
-static void red_flush_source_surfaces(DisplayChannel *display, Drawable *drawable)
-{
- int x;
- int surface_id;
-
- for (x = 0; x < 3; ++x) {
- surface_id = drawable->surface_deps[x];
- if (surface_id != -1 && drawable->depend_items[x].drawable) {
- remove_depended_item(&drawable->depend_items[x]);
- surface_flush(display, surface_id, &drawable->red_drawable->surfaces_rects[x]);
- }
- }
-}
-
void current_remove_drawable(DisplayChannel *display, Drawable *item)
{
/* todo: move all to unref? */
@@ -843,7 +740,7 @@ static inline int red_handle_depends_on_target_surface(DisplayChannel *display,
Drawable *drawable;
DependItem *depended_item = SPICE_CONTAINEROF(ring_item, DependItem, ring_item);
drawable = depended_item->drawable;
- surface_flush(display, drawable->surface_id, &drawable->red_drawable->bbox);
+ display_channel_draw(display, &drawable->red_drawable->bbox, drawable->surface_id);
}
return TRUE;
@@ -1039,146 +936,6 @@ static void image_surface_init(DisplayChannel *display)
display->image_surfaces.ops = &image_surfaces_ops;
}
-void drawable_draw(DisplayChannel *display, Drawable *drawable)
-{
- RedSurface *surface;
- SpiceCanvas *canvas;
- SpiceClip clip = drawable->red_drawable->clip;
-
- red_flush_source_surfaces(display, drawable);
-
- surface = &display->surfaces[drawable->surface_id];
- canvas = surface->context.canvas;
- spice_return_if_fail(canvas);
-
- image_cache_aging(&display->image_cache);
-
- region_add(&surface->draw_dirty_region, &drawable->red_drawable->bbox);
-
- switch (drawable->red_drawable->type) {
- case QXL_DRAW_FILL: {
- SpiceFill fill = drawable->red_drawable->u.fill;
- SpiceImage img1, img2;
- image_cache_localize_brush(&display->image_cache, &fill.brush, &img1);
- image_cache_localize_mask(&display->image_cache, &fill.mask, &img2);
- canvas->ops->draw_fill(canvas, &drawable->red_drawable->bbox,
- &clip, &fill);
- break;
- }
- case QXL_DRAW_OPAQUE: {
- SpiceOpaque opaque = drawable->red_drawable->u.opaque;
- SpiceImage img1, img2, img3;
- image_cache_localize_brush(&display->image_cache, &opaque.brush, &img1);
- image_cache_localize(&display->image_cache, &opaque.src_bitmap, &img2, drawable);
- image_cache_localize_mask(&display->image_cache, &opaque.mask, &img3);
- canvas->ops->draw_opaque(canvas, &drawable->red_drawable->bbox, &clip, &opaque);
- break;
- }
- case QXL_DRAW_COPY: {
- SpiceCopy copy = drawable->red_drawable->u.copy;
- SpiceImage img1, img2;
- image_cache_localize(&display->image_cache, &copy.src_bitmap, &img1, drawable);
- image_cache_localize_mask(&display->image_cache, &copy.mask, &img2);
- canvas->ops->draw_copy(canvas, &drawable->red_drawable->bbox,
- &clip, &copy);
- break;
- }
- case QXL_DRAW_TRANSPARENT: {
- SpiceTransparent transparent = drawable->red_drawable->u.transparent;
- SpiceImage img1;
- image_cache_localize(&display->image_cache, &transparent.src_bitmap, &img1, drawable);
- canvas->ops->draw_transparent(canvas,
- &drawable->red_drawable->bbox, &clip, &transparent);
- break;
- }
- case QXL_DRAW_ALPHA_BLEND: {
- SpiceAlphaBlend alpha_blend = drawable->red_drawable->u.alpha_blend;
- SpiceImage img1;
- image_cache_localize(&display->image_cache, &alpha_blend.src_bitmap, &img1, drawable);
- canvas->ops->draw_alpha_blend(canvas,
- &drawable->red_drawable->bbox, &clip, &alpha_blend);
- break;
- }
- case QXL_COPY_BITS: {
- canvas->ops->copy_bits(canvas, &drawable->red_drawable->bbox,
- &clip, &drawable->red_drawable->u.copy_bits.src_pos);
- break;
- }
- case QXL_DRAW_BLEND: {
- SpiceBlend blend = drawable->red_drawable->u.blend;
- SpiceImage img1, img2;
- image_cache_localize(&display->image_cache, &blend.src_bitmap, &img1, drawable);
- image_cache_localize_mask(&display->image_cache, &blend.mask, &img2);
- canvas->ops->draw_blend(canvas, &drawable->red_drawable->bbox,
- &clip, &blend);
- break;
- }
- case QXL_DRAW_BLACKNESS: {
- SpiceBlackness blackness = drawable->red_drawable->u.blackness;
- SpiceImage img1;
- image_cache_localize_mask(&display->image_cache, &blackness.mask, &img1);
- canvas->ops->draw_blackness(canvas,
- &drawable->red_drawable->bbox, &clip, &blackness);
- break;
- }
- case QXL_DRAW_WHITENESS: {
- SpiceWhiteness whiteness = drawable->red_drawable->u.whiteness;
- SpiceImage img1;
- image_cache_localize_mask(&display->image_cache, &whiteness.mask, &img1);
- canvas->ops->draw_whiteness(canvas,
- &drawable->red_drawable->bbox, &clip, &whiteness);
- break;
- }
- case QXL_DRAW_INVERS: {
- SpiceInvers invers = drawable->red_drawable->u.invers;
- SpiceImage img1;
- image_cache_localize_mask(&display->image_cache, &invers.mask, &img1);
- canvas->ops->draw_invers(canvas,
- &drawable->red_drawable->bbox, &clip, &invers);
- break;
- }
- case QXL_DRAW_ROP3: {
- SpiceRop3 rop3 = drawable->red_drawable->u.rop3;
- SpiceImage img1, img2, img3;
- image_cache_localize_brush(&display->image_cache, &rop3.brush, &img1);
- image_cache_localize(&display->image_cache, &rop3.src_bitmap, &img2, drawable);
- image_cache_localize_mask(&display->image_cache, &rop3.mask, &img3);
- canvas->ops->draw_rop3(canvas, &drawable->red_drawable->bbox,
- &clip, &rop3);
- break;
- }
- case QXL_DRAW_COMPOSITE: {
- SpiceComposite composite = drawable->red_drawable->u.composite;
- SpiceImage src, mask;
- image_cache_localize(&display->image_cache, &composite.src_bitmap, &src, drawable);
- if (composite.mask_bitmap)
- image_cache_localize(&display->image_cache, &composite.mask_bitmap, &mask, drawable);
- canvas->ops->draw_composite(canvas, &drawable->red_drawable->bbox,
- &clip, &composite);
- break;
- }
- case QXL_DRAW_STROKE: {
- SpiceStroke stroke = drawable->red_drawable->u.stroke;
- SpiceImage img1;
- image_cache_localize_brush(&display->image_cache, &stroke.brush, &img1);
- canvas->ops->draw_stroke(canvas,
- &drawable->red_drawable->bbox, &clip, &stroke);
- break;
- }
- case QXL_DRAW_TEXT: {
- SpiceText text = drawable->red_drawable->u.text;
- SpiceImage img1, img2;
- image_cache_localize_brush(&display->image_cache, &text.fore_brush, &img1);
- image_cache_localize_brush(&display->image_cache, &text.back_brush, &img2);
- canvas->ops->draw_text(canvas, &drawable->red_drawable->bbox,
- &clip, &text);
- break;
- }
- default:
- spice_warning("invalid type");
- }
-}
-
static void validate_area(DisplayChannel *display, const SpiceRect *area, uint32_t surface_id)
{
RedSurface *surface;
@@ -1205,8 +962,8 @@ static void validate_area(DisplayChannel *display, const SpiceRect *area, uint32
Renders drawables for updating the requested area, but only drawables that are older
than 'last' (exclusive).
*/
-static void display_channel_draw_till(DisplayChannel *display, const SpiceRect *area, int surface_id,
- Drawable *last)
+void display_channel_draw_till(DisplayChannel *display, const SpiceRect *area, int surface_id,
+ Drawable *last)
{
RedSurface *surface;
Drawable *surface_last = NULL;
@@ -1283,7 +1040,7 @@ static void display_channel_draw_till(DisplayChannel *display, const SpiceRect *
validate_area(display, area, surface_id);
}
-static void display_channel_draw(DisplayChannel *display, const SpiceRect *area, int surface_id)
+void display_channel_draw(DisplayChannel *display, const SpiceRect *area, int surface_id)
{
RedSurface *surface;
Ring *ring;