[Spice-devel] [PATCH v5 1/9] Encapsulate some data in dcc-encoders

Frediano Ziglio fziglio at redhat.com
Wed Jun 15 09:37:51 UTC 2016


Signed-off-by: Frediano Ziglio <fziglio at redhat.com>
---
 server/dcc-encoders.c    | 59 ++++++++++++++++++++++++++++++++++++++++++++++--
 server/dcc-encoders.h    | 33 ++-------------------------
 server/display-channel.c | 13 +++--------
 server/display-channel.h |  5 ----
 4 files changed, 62 insertions(+), 48 deletions(-)

diff --git a/server/dcc-encoders.c b/server/dcc-encoders.c
index 8c3acd0..2fa5f1b 100644
--- a/server/dcc-encoders.c
+++ b/server/dcc-encoders.c
@@ -26,7 +26,43 @@
 
 #define ZLIB_DEFAULT_COMPRESSION_LEVEL 3
 
+#define MAX_GLZ_DRAWABLE_INSTANCES 2
+
+typedef struct GlzDrawableInstanceItem GlzDrawableInstanceItem;
+
+/* for each qxl drawable, there may be several instances of lz drawables */
+/* TODO - reuse this stuff for the top level. I just added a second level of multiplicity
+ * at the Drawable by keeping a ring, so:
+ * Drawable -> (ring of) RedGlzDrawable -> (up to 2) GlzDrawableInstanceItem
+ * and it should probably (but need to be sure...) be
+ * Drawable -> ring of GlzDrawableInstanceItem.
+ */
+struct GlzDrawableInstanceItem {
+    RingItem glz_link;
+    RingItem free_link;
+    GlzEncDictImageContext *context;
+    RedGlzDrawable         *glz_drawable;
+};
+
+struct RedGlzDrawable {
+    RingItem link;    // ordered by the time it was encoded
+    RingItem drawable_link;
+    RedDrawable *red_drawable;
+    GlzDrawableInstanceItem instances_pool[MAX_GLZ_DRAWABLE_INSTANCES];
+    Ring instances;
+    uint8_t instances_count;
+    gboolean has_drawable;
+    ImageEncoders *encoders;
+};
+
+#define LINK_TO_GLZ(ptr) SPICE_CONTAINEROF((ptr), RedGlzDrawable, \
+                                           drawable_link)
+#define DRAWABLE_FOREACH_GLZ_SAFE(drawable, link, next, glz) \
+    SAFE_FOREACH(link, next, drawable, &(drawable)->glz_ring, glz, LINK_TO_GLZ(link))
+
 static void glz_drawable_instance_item_free(GlzDrawableInstanceItem *instance);
+static void encoder_data_init(EncoderData *data);
+static void encoder_data_reset(EncoderData *data);
 static void image_encoders_release_glz(ImageEncoders *enc);
 
 
@@ -140,14 +176,14 @@ static void glz_usr_free(GlzEncoderUsrContext *usr, void *ptr)
     free(ptr);
 }
 
-void encoder_data_init(EncoderData *data)
+static void encoder_data_init(EncoderData *data)
 {
     data->bufs_tail = g_new(RedCompressBuf, 1);
     data->bufs_head = data->bufs_tail;
     data->bufs_head->send_next = NULL;
 }
 
-void encoder_data_reset(EncoderData *data)
+static void encoder_data_reset(EncoderData *data)
 {
     RedCompressBuf *buf = data->bufs_head;
     while (buf) {
@@ -576,6 +612,25 @@ void image_encoders_free_glz_drawables(ImageEncoders *enc)
     pthread_rwlock_unlock(&glz_dict->encode_lock);
 }
 
+void drawable_free_glz_drawables(struct Drawable *drawable)
+{
+    RingItem *glz_item, *next_item;
+    RedGlzDrawable *glz;
+    DRAWABLE_FOREACH_GLZ_SAFE(drawable, glz_item, next_item, glz) {
+        red_glz_drawable_free(glz);
+    }
+}
+
+void drawable_detach_glz_drawables(struct Drawable *drawable)
+{
+    RingItem *item, *next;
+
+    RING_FOREACH_SAFE(item, next, &drawable->glz_ring) {
+        SPICE_CONTAINEROF(item, RedGlzDrawable, drawable_link)->has_drawable = FALSE;
+        ring_remove(item);
+    }
+}
+
 static void image_encoders_freeze_glz(ImageEncoders *enc)
 {
     pthread_rwlock_wrlock(&enc->glz_dict->encode_lock);
diff --git a/server/dcc-encoders.h b/server/dcc-encoders.h
index 815356a..ad0a7ca 100644
--- a/server/dcc-encoders.h
+++ b/server/dcc-encoders.h
@@ -32,7 +32,6 @@
 #include "zlib-encoder.h"
 
 typedef struct RedCompressBuf RedCompressBuf;
-typedef struct GlzDrawableInstanceItem GlzDrawableInstanceItem;
 typedef struct RedGlzDrawable RedGlzDrawable;
 typedef struct ImageEncoders ImageEncoders;
 typedef struct ImageEncoderSharedData ImageEncoderSharedData;
@@ -50,6 +49,8 @@ void image_encoders_free_glz_drawables_to_free(ImageEncoders* enc);
 gboolean image_encoders_glz_create(ImageEncoders *enc, uint8_t id);
 void image_encoders_glz_get_restore_data(ImageEncoders *enc,
                                          uint8_t *out_id, GlzEncDictRestoreData *out_data);
+void drawable_free_glz_drawables(struct Drawable *drawable);
+void drawable_detach_glz_drawables(struct Drawable *drawable);
 
 #define RED_COMPRESS_BUF_SIZE (1024 * 64)
 struct RedCompressBuf {
@@ -106,9 +107,6 @@ typedef struct  {
     char message_buf[512];
 } EncoderData;
 
-void encoder_data_init(EncoderData *data);
-void encoder_data_reset(EncoderData *data);
-
 typedef struct {
     QuicUsrContext usr;
     EncoderData data;
@@ -141,33 +139,6 @@ typedef struct {
     EncoderData data;
 } GlzData;
 
-#define MAX_GLZ_DRAWABLE_INSTANCES 2
-
-/* for each qxl drawable, there may be several instances of lz drawables */
-/* TODO - reuse this stuff for the top level. I just added a second level of multiplicity
- * at the Drawable by keeping a ring, so:
- * Drawable -> (ring of) RedGlzDrawable -> (up to 2) GlzDrawableInstanceItem
- * and it should probably (but need to be sure...) be
- * Drawable -> ring of GlzDrawableInstanceItem.
- */
-struct GlzDrawableInstanceItem {
-    RingItem glz_link;
-    RingItem free_link;
-    GlzEncDictImageContext *context;
-    RedGlzDrawable         *glz_drawable;
-};
-
-struct RedGlzDrawable {
-    RingItem link;    // ordered by the time it was encoded
-    RingItem drawable_link;
-    RedDrawable *red_drawable;
-    GlzDrawableInstanceItem instances_pool[MAX_GLZ_DRAWABLE_INSTANCES];
-    Ring instances;
-    uint8_t instances_count;
-    gboolean has_drawable;
-    ImageEncoders *encoders;
-};
-
 struct ImageEncoderSharedData {
     uint32_t glz_drawable_count;
 
diff --git a/server/display-channel.c b/server/display-channel.c
index 1bc9d57..fae2e25 100644
--- a/server/display-channel.c
+++ b/server/display-channel.c
@@ -1179,11 +1179,7 @@ static bool free_one_drawable(DisplayChannel *display, int force_glz_free)
 
     drawable = SPICE_CONTAINEROF(ring_item, Drawable, list_link);
     if (force_glz_free) {
-        RingItem *glz_item, *next_item;
-        RedGlzDrawable *glz;
-        DRAWABLE_FOREACH_GLZ_SAFE(drawable, glz_item, next_item, glz) {
-            red_glz_drawable_free(glz);
-        }
+        drawable_free_glz_drawables(drawable);
     }
     drawable_draw(display, drawable);
     container = drawable->tree_item.base.container;
@@ -1336,7 +1332,6 @@ static void drawable_unref_surface_deps(DisplayChannel *display, Drawable *drawa
 void drawable_unref(Drawable *drawable)
 {
     DisplayChannel *display = drawable->display;
-    RingItem *item, *next;
 
     if (--drawable->refs != 0)
         return;
@@ -1353,10 +1348,8 @@ void drawable_unref(Drawable *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)->has_drawable = FALSE;
-        ring_remove(item);
-    }
+    drawable_detach_glz_drawables(drawable);
+
     if (drawable->red_drawable) {
         red_drawable_unref(drawable->red_drawable);
     }
diff --git a/server/display-channel.h b/server/display-channel.h
index 7984c85..04ae0d0 100644
--- a/server/display-channel.h
+++ b/server/display-channel.h
@@ -87,11 +87,6 @@ void drawable_unref (Drawable *drawable);
 #define DRAWABLE_FOREACH_DPI_SAFE(drawable, link, next, dpi)            \
     SAFE_FOREACH(link, next, drawable,  &(drawable)->pipes, dpi, LINK_TO_DPI(link))
 
-#define LINK_TO_GLZ(ptr) SPICE_CONTAINEROF((ptr), RedGlzDrawable, \
-                                           drawable_link)
-#define DRAWABLE_FOREACH_GLZ_SAFE(drawable, link, next, glz) \
-    SAFE_FOREACH(link, next, drawable, &(drawable)->glz_ring, glz, LINK_TO_GLZ(link))
-
 enum {
     RED_PIPE_ITEM_TYPE_DRAW = RED_PIPE_ITEM_TYPE_COMMON_LAST,
     RED_PIPE_ITEM_TYPE_IMAGE,
-- 
2.7.4



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