sna/gen6+: Share the common routines for ring preferrence

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 95 insertions, 0 deletions

diff --git a/src/sna/gen6_common.c b/src/sna/gen6_common.c
new file mode 100644
index 00000000..f4f02645
--- /dev/null
+++ b/src/sna/gen6_common.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright © 2011-2013 Intel Corporation
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ *    Chris Wilson <chris@chris-wilson.co.uk>
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gen6_common.h"
+#include "gen4_vertex.h"
+
+void gen6_render_flush(struct sna *sna)
+{
+	gen4_vertex_close(sna);
+
+	assert(sna->render.vb_id == 0);
+	assert(sna->render.vertex_offset == 0);
+}
+
+void
+gen6_render_context_switch(struct kgem *kgem,
+			   int new_mode)
+{
+	if (kgem->nbatch) {
+		DBG(("%s: from %d to %d, submit batch\n", __FUNCTION__, kgem->mode, new_mode));
+		_kgem_submit(kgem);
+	}
+
+	if (kgem->nexec) {
+		DBG(("%s: from %d to %d, reset incomplete batch\n", __FUNCTION__, kgem->mode, new_mode));
+		kgem_reset(kgem);
+	}
+
+	assert(kgem->nbatch == 0);
+	assert(kgem->nreloc == 0);
+	assert(kgem->nexec == 0);
+
+	kgem->ring = new_mode;
+}
+
+void
+gen6_render_retire(struct kgem *kgem)
+{
+	struct sna *sna;
+
+	if (kgem->ring && (kgem->has_semaphores || !kgem->need_retire))
+		kgem->ring = kgem->mode;
+
+	sna = container_of(kgem, struct sna, kgem);
+	if (kgem->nbatch == 0 && sna->render.vbo && !kgem_bo_is_busy(sna->render.vbo)) {
+		DBG(("%s: resetting idle vbo\n", __FUNCTION__));
+		sna->render.vertex_used = 0;
+		sna->render.vertex_index = 0;
+	}
+}
+
+void
+gen6_render_expire(struct kgem *kgem)
+{
+	struct sna *sna;
+
+	sna = container_of(kgem, struct sna, kgem);
+	if (sna->render.vbo && !sna->render.vertex_used) {
+		DBG(("%s: discarding vbo\n", __FUNCTION__));
+		kgem_bo_destroy(kgem, sna->render.vbo);
+		sna->render.vbo = NULL;
+		sna->render.vertices = sna->render.vertex_data;
+		sna->render.vertex_size = ARRAY_SIZE(sna->render.vertex_data);
+		sna->render.vertex_used = 0;
+		sna->render.vertex_index = 0;
+	}
+}