1 files changed, 89 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_flush.c b/src/gallium/drivers/r300/r300_flush.c
new file mode 100644
index 0000000000..ba840bfff8
--- /dev/null
+++ b/src/gallium/drivers/r300/r300_flush.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
+ * Copyright 2010 Marek Olšák <maraeo@gmail.com>
+ *
+ * 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
+ * on 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
+ * THE AUTHOR(S) AND/OR THEIR 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. */
+
+#include "draw/draw_context.h"
+#include "draw/draw_private.h"
+
+#include "util/u_simple_list.h"
+
+#include "r300_context.h"
+#include "r300_cs.h"
+#include "r300_emit.h"
+
+static void r300_flush(struct pipe_context* pipe,
+                       unsigned flags,
+                       struct pipe_fence_handle** fence)
+{
+    struct r300_context *r300 = r300_context(pipe);
+    struct r300_query *query;
+    struct r300_atom *atom;
+    struct r300_fence **rfence = (struct r300_fence**)fence;
+
+    /* We probably need to flush Draw, but we may have been called from
+     * within Draw. This feels kludgy, but it might be the best thing.
+     *
+     * Of course, the best thing is to kill Draw with fire. :3 */
+    if (r300->draw && !r300->draw->flushing) {
+        draw_flush(r300->draw);
+    }
+
+    if (r300->dirty_hw) {
+        r300_emit_query_end(r300);
+
+        if (SCREEN_DBG_ON(r300->screen, DBG_STATS)) {
+            r300->flush_counter++;
+        }
+        r300->rws->flush_cs(r300->rws);
+        r300->dirty_hw = 0;
+
+        /* New kitchen sink, baby. */
+        foreach(atom, &r300->atom_list) {
+            if (atom->state || atom->allow_null_state) {
+                atom->dirty = TRUE;
+            }
+        }
+
+        /* Unmark HWTCL state for SWTCL. */
+        if (!r300->screen->caps.has_tcl) {
+            r300->vs_state.dirty = FALSE;
+            r300->vs_constants.dirty = FALSE;
+        }
+    }
+
+    /* reset flushed query */
+    foreach(query, &r300->query_list) {
+        query->flushed = TRUE;
+    }
+
+    /* Create a new fence. */
+    if (rfence) {
+        *rfence = CALLOC_STRUCT(r300_fence);
+        pipe_reference_init(&(*rfence)->reference, 1);
+        (*rfence)->ctx = r300;
+    }
+}
+
+void r300_init_flush_functions(struct r300_context* r300)
+{
+    r300->context.flush = r300_flush;
+}