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authorJosé Fonseca <[email protected]>2010-02-05 13:48:35 +0000
committerJosé Fonseca <[email protected]>2010-02-05 13:48:35 +0000
commita1af8eec66c5f7ec421e8011b41c1a7c36319f9f (patch)
treebc76a431699807cf60cf8ba82ff6b3b1ff34f309 /src/gallium/drivers/llvmpipe/lp_scene_queue.c
parentc036d13d7d2cc905226fe53ebd86a18da808963f (diff)
parentbee9964b29b2428ee75e2d1efc0e1d2c2518a417 (diff)
Merge remote branch 'origin/lp-binning'
Conflicts: src/gallium/auxiliary/util/u_dl.c src/gallium/auxiliary/util/u_time.h src/gallium/drivers/llvmpipe/lp_state_derived.c src/gallium/drivers/llvmpipe/lp_state_surface.c src/gallium/drivers/llvmpipe/lp_tex_cache.c src/gallium/drivers/llvmpipe/lp_tile_cache.c
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_scene_queue.c')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_scene_queue.c122
1 files changed, 122 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_scene_queue.c b/src/gallium/drivers/llvmpipe/lp_scene_queue.c
new file mode 100644
index 00000000000..43d74e4d89d
--- /dev/null
+++ b/src/gallium/drivers/llvmpipe/lp_scene_queue.c
@@ -0,0 +1,122 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+/**
+ * Scene queue. We'll use two queues. One contains "full" scenes which
+ * are produced by the "setup" code. The other contains "empty" scenes
+ * which are produced by the "rast" code when it finishes rendering a scene.
+ */
+
+#include "util/u_ringbuffer.h"
+#include "util/u_memory.h"
+#include "lp_scene_queue.h"
+
+
+
+#define MAX_SCENE_QUEUE 4
+
+struct scene_packet {
+ struct util_packet header;
+ struct lp_scene *scene;
+};
+
+/**
+ * A queue of scenes
+ */
+struct lp_scene_queue
+{
+ struct util_ringbuffer *ring;
+};
+
+
+
+/** Allocate a new scene queue */
+struct lp_scene_queue *
+lp_scene_queue_create(void)
+{
+ struct lp_scene_queue *queue = CALLOC_STRUCT(lp_scene_queue);
+ if (queue == NULL)
+ return NULL;
+
+ queue->ring = util_ringbuffer_create( MAX_SCENE_QUEUE *
+ sizeof( struct scene_packet ) / 4);
+ if (queue->ring == NULL)
+ goto fail;
+
+ return queue;
+
+fail:
+ FREE(queue);
+ return NULL;
+}
+
+
+/** Delete a scene queue */
+void
+lp_scene_queue_destroy(struct lp_scene_queue *queue)
+{
+ util_ringbuffer_destroy(queue->ring);
+ FREE(queue);
+}
+
+
+/** Remove first lp_scene from head of queue */
+struct lp_scene *
+lp_scene_dequeue(struct lp_scene_queue *queue, boolean wait)
+{
+ struct scene_packet packet;
+ enum pipe_error ret;
+
+ ret = util_ringbuffer_dequeue(queue->ring,
+ &packet.header,
+ sizeof packet / 4,
+ wait );
+ if (ret != PIPE_OK)
+ return NULL;
+
+ return packet.scene;
+}
+
+
+/** Add an lp_scene to tail of queue */
+void
+lp_scene_enqueue(struct lp_scene_queue *queue, struct lp_scene *scene)
+{
+ struct scene_packet packet;
+
+ packet.header.dwords = sizeof packet / 4;
+ packet.header.data24 = 0;
+ packet.scene = scene;
+
+ util_ringbuffer_enqueue(queue->ring, &packet.header);
+}
+
+
+
+
+