summaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_fence.c73
-rw-r--r--src/gallium/drivers/llvmpipe/lp_fence.h12
-rw-r--r--src/gallium/drivers/llvmpipe/lp_screen.c49
-rw-r--r--src/gallium/drivers/llvmpipe/lp_setup.c2
4 files changed, 79 insertions, 57 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_fence.c b/src/gallium/drivers/llvmpipe/lp_fence.c
index 1f96dcd81a4..3a55e76bc35 100644
--- a/src/gallium/drivers/llvmpipe/lp_fence.c
+++ b/src/gallium/drivers/llvmpipe/lp_fence.c
@@ -76,58 +76,6 @@ lp_fence_destroy(struct lp_fence *fence)
/**
- * For reference counting.
- * This is a Gallium API function.
- */
-static void
-llvmpipe_fence_reference(struct pipe_screen *screen,
- struct pipe_fence_handle **ptr,
- struct pipe_fence_handle *fence)
-{
- struct lp_fence **old = (struct lp_fence **) ptr;
- struct lp_fence *f = (struct lp_fence *) fence;
-
- lp_fence_reference(old, f);
-}
-
-
-/**
- * Has the fence been executed/finished?
- * This is a Gallium API function.
- */
-static int
-llvmpipe_fence_signalled(struct pipe_screen *screen,
- struct pipe_fence_handle *fence,
- unsigned flag)
-{
- struct lp_fence *f = (struct lp_fence *) fence;
-
- return f->count == f->rank;
-}
-
-
-/**
- * Wait for the fence to finish.
- * This is a Gallium API function.
- */
-static int
-llvmpipe_fence_finish(struct pipe_screen *screen,
- struct pipe_fence_handle *fence_handle,
- unsigned flag)
-{
- struct lp_fence *fence = (struct lp_fence *) fence_handle;
-
- pipe_mutex_lock(fence->mutex);
- while (fence->count < fence->rank) {
- pipe_condvar_wait(fence->signalled, fence->mutex);
- }
- pipe_mutex_unlock(fence->mutex);
-
- return 0;
-}
-
-
-/**
* Called by the rendering threads to increment the fence counter.
* When the counter == the rank, the fence is finished.
*/
@@ -153,11 +101,24 @@ lp_fence_signal(struct lp_fence *fence)
pipe_mutex_unlock(fence->mutex);
}
+boolean
+lp_fence_signalled(struct lp_fence *f)
+{
+ return f->count == f->rank;
+}
void
-llvmpipe_init_screen_fence_funcs(struct pipe_screen *screen)
+lp_fence_wait(struct lp_fence *f)
{
- screen->fence_reference = llvmpipe_fence_reference;
- screen->fence_signalled = llvmpipe_fence_signalled;
- screen->fence_finish = llvmpipe_fence_finish;
+ if (LP_DEBUG & DEBUG_FENCE)
+ debug_printf("%s %d\n", __FUNCTION__, f->id);
+
+ pipe_mutex_lock(f->mutex);
+ assert(f->issued);
+ while (f->count < f->rank) {
+ pipe_condvar_wait(f->signalled, f->mutex);
+ }
+ pipe_mutex_unlock(f->mutex);
}
+
+
diff --git a/src/gallium/drivers/llvmpipe/lp_fence.h b/src/gallium/drivers/llvmpipe/lp_fence.h
index b80af5c6543..3c591187801 100644
--- a/src/gallium/drivers/llvmpipe/lp_fence.h
+++ b/src/gallium/drivers/llvmpipe/lp_fence.h
@@ -46,6 +46,7 @@ struct lp_fence
pipe_mutex mutex;
pipe_condvar signalled;
+ boolean issued;
unsigned rank;
unsigned count;
};
@@ -58,6 +59,11 @@ lp_fence_create(unsigned rank);
void
lp_fence_signal(struct lp_fence *fence);
+boolean
+lp_fence_signalled(struct lp_fence *fence);
+
+void
+lp_fence_wait(struct lp_fence *fence);
void
llvmpipe_init_screen_fence_funcs(struct pipe_screen *screen);
@@ -79,5 +85,11 @@ lp_fence_reference(struct lp_fence **ptr,
*ptr = f;
}
+static INLINE boolean
+lp_fence_issued(const struct lp_fence *fence)
+{
+ return fence->issued;
+}
+
#endif /* LP_FENCE_H */
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index 14a156378a9..9b7e0d51cd0 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -317,6 +317,51 @@ llvmpipe_destroy_screen( struct pipe_screen *_screen )
+
+/**
+ * Fence reference counting.
+ */
+static void
+llvmpipe_fence_reference(struct pipe_screen *screen,
+ struct pipe_fence_handle **ptr,
+ struct pipe_fence_handle *fence)
+{
+ struct lp_fence **old = (struct lp_fence **) ptr;
+ struct lp_fence *f = (struct lp_fence *) fence;
+
+ lp_fence_reference(old, f);
+}
+
+
+/**
+ * Has the fence been executed/finished?
+ */
+static int
+llvmpipe_fence_signalled(struct pipe_screen *screen,
+ struct pipe_fence_handle *fence,
+ unsigned flag)
+{
+ struct lp_fence *f = (struct lp_fence *) fence;
+ return lp_fence_signalled(f);
+}
+
+
+/**
+ * Wait for the fence to finish.
+ */
+static int
+llvmpipe_fence_finish(struct pipe_screen *screen,
+ struct pipe_fence_handle *fence_handle,
+ unsigned flag)
+{
+ struct lp_fence *f = (struct lp_fence *) fence_handle;
+
+ lp_fence_wait(f);
+ return 0;
+}
+
+
+
/**
* Create a new pipe_screen object
* Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
@@ -354,9 +399,11 @@ llvmpipe_create_screen(struct sw_winsys *winsys)
screen->base.context_create = llvmpipe_create_context;
screen->base.flush_frontbuffer = llvmpipe_flush_frontbuffer;
+ screen->base.fence_reference = llvmpipe_fence_reference;
+ screen->base.fence_signalled = llvmpipe_fence_signalled;
+ screen->base.fence_finish = llvmpipe_fence_finish;
llvmpipe_init_screen_resource_funcs(&screen->base);
- llvmpipe_init_screen_fence_funcs(&screen->base);
lp_jit_screen_init(screen);
diff --git a/src/gallium/drivers/llvmpipe/lp_setup.c b/src/gallium/drivers/llvmpipe/lp_setup.c
index 6eede83bfba..5389de8b637 100644
--- a/src/gallium/drivers/llvmpipe/lp_setup.c
+++ b/src/gallium/drivers/llvmpipe/lp_setup.c
@@ -288,6 +288,8 @@ lp_setup_flush( struct lp_setup_context *setup,
*fence = lp_setup_fence( setup );
}
+ if (setup->scene->fence)
+ setup->scene->fence->issued = TRUE;
}
set_scene_state( setup, SETUP_FLUSHED );