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-rw-r--r--src/gallium/include/state_tracker/st_api.h7
-rw-r--r--src/gallium/state_trackers/dri/dri_drawable.c6
-rw-r--r--src/gallium/state_trackers/glx/xlib/xm_api.c5
-rw-r--r--src/gallium/state_trackers/glx/xlib/xm_st.c2
-rw-r--r--src/gallium/state_trackers/wgl/stw_st.c6
-rw-r--r--src/mesa/state_tracker/st_manager.c95
-rw-r--r--src/mesa/state_tracker/st_manager.h5
7 files changed, 123 insertions, 3 deletions
diff --git a/src/gallium/include/state_tracker/st_api.h b/src/gallium/include/state_tracker/st_api.h
index 30a4866a7af..9b660f74c93 100644
--- a/src/gallium/include/state_tracker/st_api.h
+++ b/src/gallium/include/state_tracker/st_api.h
@@ -552,6 +552,13 @@ struct st_api
* Get the currently bound context in the calling thread.
*/
struct st_context_iface *(*get_current)(struct st_api *stapi);
+
+ /**
+ * Notify the st manager the framebuffer interface object
+ * is no longer valid.
+ */
+ void (*destroy_drawable)(struct st_api *stapi,
+ struct st_framebuffer_iface *stfbi);
};
/**
diff --git a/src/gallium/state_trackers/dri/dri_drawable.c b/src/gallium/state_trackers/dri/dri_drawable.c
index 0cfdc305583..c7df0f63327 100644
--- a/src/gallium/state_trackers/dri/dri_drawable.c
+++ b/src/gallium/state_trackers/dri/dri_drawable.c
@@ -169,6 +169,8 @@ void
dri_destroy_buffer(__DRIdrawable * dPriv)
{
struct dri_drawable *drawable = dri_drawable(dPriv);
+ struct dri_screen *screen = drawable->screen;
+ struct st_api *stapi = screen->st_api;
int i;
pipe_surface_reference(&drawable->drisw_surface, NULL);
@@ -180,7 +182,9 @@ dri_destroy_buffer(__DRIdrawable * dPriv)
swap_fences_unref(drawable);
- drawable->base.ID = 0;
+ /* Notify the st manager that this drawable is no longer valid */
+ stapi->destroy_drawable(stapi, &drawable->base);
+
FREE(drawable);
}
diff --git a/src/gallium/state_trackers/glx/xlib/xm_api.c b/src/gallium/state_trackers/glx/xlib/xm_api.c
index 881dd443232..e4b1e9dd4de 100644
--- a/src/gallium/state_trackers/glx/xlib/xm_api.c
+++ b/src/gallium/state_trackers/glx/xlib/xm_api.c
@@ -595,6 +595,11 @@ xmesa_free_buffer(XMesaBuffer buffer)
*/
b->ws.drawable = 0;
+ /* Notify the st manager that the associated framebuffer interface
+ * object is no longer valid.
+ */
+ stapi->destroy_drawable(stapi, buffer->stfb);
+
/* XXX we should move the buffer to a delete-pending list and destroy
* the buffer until it is no longer current.
*/
diff --git a/src/gallium/state_trackers/glx/xlib/xm_st.c b/src/gallium/state_trackers/glx/xlib/xm_st.c
index 9e30efad60d..6a0f4aad7d8 100644
--- a/src/gallium/state_trackers/glx/xlib/xm_st.c
+++ b/src/gallium/state_trackers/glx/xlib/xm_st.c
@@ -273,6 +273,7 @@ xmesa_st_framebuffer_flush_front(struct st_context_iface *stctx,
return ret;
}
+static uint32_t xmesa_stfbi_ID = 0;
struct st_framebuffer_iface *
xmesa_create_st_framebuffer(XMesaDisplay xmdpy, XMesaBuffer b)
@@ -302,6 +303,7 @@ xmesa_create_st_framebuffer(XMesaDisplay xmdpy, XMesaBuffer b)
stfbi->visual = &xstfb->stvis;
stfbi->flush_front = xmesa_st_framebuffer_flush_front;
stfbi->validate = xmesa_st_framebuffer_validate;
+ stfbi->ID = p_atomic_inc_return(&xmesa_stfbi_ID);
p_atomic_set(&stfbi->stamp, 1);
stfbi->st_manager_private = (void *) xstfb;
diff --git a/src/gallium/state_trackers/wgl/stw_st.c b/src/gallium/state_trackers/wgl/stw_st.c
index c2844b04c4e..85a8b1743ea 100644
--- a/src/gallium/state_trackers/wgl/stw_st.c
+++ b/src/gallium/state_trackers/wgl/stw_st.c
@@ -256,7 +256,11 @@ stw_st_destroy_framebuffer_locked(struct st_framebuffer_iface *stfb)
for (i = 0; i < ST_ATTACHMENT_COUNT; i++)
pipe_resource_reference(&stwfb->textures[i], NULL);
- stwfb->base.ID = 0;
+ /* Notify the st manager that the framebuffer interface is no
+ * longer valid.
+ */
+ stw_dev->stapi->destroy_drawable(stw_dev->stapi, &stwfb->base);
+
FREE(stwfb);
}
diff --git a/src/mesa/state_tracker/st_manager.c b/src/mesa/state_tracker/st_manager.c
index cb816de8025..ebc7ca8b133 100644
--- a/src/mesa/state_tracker/st_manager.c
+++ b/src/mesa/state_tracker/st_manager.c
@@ -38,6 +38,7 @@
#include "main/fbobject.h"
#include "main/renderbuffer.h"
#include "main/version.h"
+#include "util/hash_table.h"
#include "st_texture.h"
#include "st_context.h"
@@ -59,6 +60,10 @@
#include "util/u_surface.h"
#include "util/list.h"
+struct hash_table;
+static struct hash_table *st_fbi_ht; /* framebuffer iface objects hash table */
+
+static mtx_t st_mutex = _MTX_INITIALIZER_NP;
/**
* Map an attachment to a buffer index.
@@ -490,6 +495,76 @@ st_framebuffer_reference(struct st_framebuffer **ptr,
_mesa_reference_framebuffer((struct gl_framebuffer **) ptr, fb);
}
+
+static uint32_t
+st_framebuffer_iface_hash(const void *key)
+{
+ return (uintptr_t)key;
+}
+
+
+static bool
+st_framebuffer_iface_equal(const void *a, const void *b)
+{
+ return (struct st_framebuffer_iface *)a == (struct st_framebuffer_iface *)b;
+}
+
+
+static boolean
+st_framebuffer_iface_lookup(const struct st_framebuffer_iface *stfbi)
+{
+ struct hash_entry *entry;
+
+ mtx_lock(&st_mutex);
+ entry = _mesa_hash_table_search(st_fbi_ht, stfbi);
+ mtx_unlock(&st_mutex);
+
+ return entry != NULL;
+}
+
+
+static boolean
+st_framebuffer_iface_insert(struct st_framebuffer_iface *stfbi)
+{
+ struct hash_entry *entry;
+
+ mtx_lock(&st_mutex);
+ entry = _mesa_hash_table_insert(st_fbi_ht, stfbi, stfbi);
+ mtx_unlock(&st_mutex);
+
+ return entry != NULL;
+}
+
+
+static void
+st_framebuffer_iface_remove(struct st_framebuffer_iface *stfbi)
+{
+ struct hash_entry *entry;
+
+ mtx_lock(&st_mutex);
+ entry = _mesa_hash_table_search(st_fbi_ht, stfbi);
+ if (!entry)
+ goto unlock;
+
+ _mesa_hash_table_remove(st_fbi_ht, entry);
+
+unlock:
+ mtx_unlock(&st_mutex);
+}
+
+
+/**
+ * The framebuffer interface object is no longer valid.
+ * Remove the object from the framebuffer interface hash table.
+ */
+static void
+st_api_destroy_drawable(struct st_api *stapi,
+ struct st_framebuffer_iface *stfbi)
+{
+ st_framebuffer_iface_remove(stfbi);
+}
+
+
/**
* Purge the winsys buffers list to remove any references to
* non-existing framebuffer interface objects.
@@ -506,7 +581,7 @@ st_framebuffers_purge(struct st_context *st)
* and unreference the framebuffer object, so its resources can be
* deleted.
*/
- if (stfb->iface->ID != stfb->iface_ID) {
+ if (!st_framebuffer_iface_lookup(stfb->iface)) {
LIST_DEL(&stfb->head);
st_framebuffer_reference(&stfb, NULL);
}
@@ -810,6 +885,14 @@ st_framebuffer_reuse_or_create(struct st_context *st,
cur = st_framebuffer_create(st, stfbi);
if (cur) {
+ /* add the referenced framebuffer interface object to
+ * the framebuffer interface object hash table.
+ */
+ if (!st_framebuffer_iface_insert(stfbi)) {
+ st_framebuffer_reference(&cur, NULL);
+ return NULL;
+ }
+
/* add to the context's winsys buffers list */
LIST_ADD(&cur->head, &st->winsys_buffers);
@@ -881,6 +964,8 @@ st_api_make_current(struct st_api *stapi, struct st_context_iface *stctxi,
static void
st_api_destroy(struct st_api *stapi)
{
+ _mesa_hash_table_destroy(st_fbi_ht, NULL);
+ mtx_destroy(&st_mutex);
}
/**
@@ -1015,10 +1100,18 @@ static const struct st_api st_gl_api = {
.create_context = st_api_create_context,
.make_current = st_api_make_current,
.get_current = st_api_get_current,
+ .destroy_drawable = st_api_destroy_drawable,
};
struct st_api *
st_gl_api_create(void)
{
+ /* Create a hash table for all the framebuffer interface objects */
+
+ mtx_init(&st_mutex, mtx_plain);
+ st_fbi_ht = _mesa_hash_table_create(NULL,
+ st_framebuffer_iface_hash,
+ st_framebuffer_iface_equal);
+
return (struct st_api *) &st_gl_api;
}
diff --git a/src/mesa/state_tracker/st_manager.h b/src/mesa/state_tracker/st_manager.h
index 68adf2fa1a4..c54f29e2941 100644
--- a/src/mesa/state_tracker/st_manager.h
+++ b/src/mesa/state_tracker/st_manager.h
@@ -34,6 +34,7 @@
struct st_context;
struct st_framebuffer;
+struct st_framebuffer_interface;
void
st_manager_flush_frontbuffer(struct st_context *st);
@@ -48,4 +49,8 @@ st_manager_add_color_renderbuffer(struct st_context *st, struct gl_framebuffer *
void
st_framebuffer_reference(struct st_framebuffer **ptr,
struct st_framebuffer *stfb);
+
+void
+st_framebuffer_interface_destroy(struct st_framebuffer_interface *stfbi);
+
#endif /* ST_MANAGER_H */