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authorEric Anholt <eric@anholt.net>2010-02-01 09:55:18 -0800
committerEric Anholt <eric@anholt.net>2010-02-25 10:53:08 -0800
commitc791f8a1e532834ae7a517c042e9efe262b62233 (patch)
tree52356b7e0c740deb3f229c5c30b641bb6a84c2fa /src/mesa/drivers/dri/i965/gen6_sampler_state.c
parent5878c841e90a8006715877045aa95a752472eaab (diff)
i965: Set up the SNB sampler state pointers.
Diffstat (limited to 'src/mesa/drivers/dri/i965/gen6_sampler_state.c')
-rw-r--r--src/mesa/drivers/dri/i965/gen6_sampler_state.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/gen6_sampler_state.c b/src/mesa/drivers/dri/i965/gen6_sampler_state.c
new file mode 100644
index 0000000000..641d8859b3
--- /dev/null
+++ b/src/mesa/drivers/dri/i965/gen6_sampler_state.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright © 2010 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:
+ * Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#include "brw_context.h"
+#include "brw_state.h"
+#include "brw_defines.h"
+#include "brw_util.h"
+#include "intel_batchbuffer.h"
+#include "main/macros.h"
+#include "main/enums.h"
+
+static void
+upload_sampler_state_pointers(struct brw_context *brw)
+{
+ struct intel_context *intel = &brw->intel;
+
+ BEGIN_BATCH(4);
+ OUT_BATCH(CMD_3D_SAMPLER_STATE_POINTERS << 16 |
+ VS_SAMPLER_STATE_CHANGE |
+ GS_SAMPLER_STATE_CHANGE |
+ PS_SAMPLER_STATE_CHANGE |
+ (4 - 2));
+ OUT_BATCH(0); /* VS */
+ OUT_BATCH(0); /* GS */
+ if (brw->wm.sampler_bo)
+ OUT_RELOC(brw->wm.sampler_bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 1);
+ else
+ OUT_BATCH(0);
+
+ ADVANCE_BATCH();
+
+ intel_batchbuffer_emit_mi_flush(intel->batch);
+}
+
+
+static void
+prepare_sampler_state_pointers(struct brw_context *brw)
+{
+ brw_add_validated_bo(brw, brw->wm.sampler_bo);
+}
+
+const struct brw_tracked_state gen6_sampler_state = {
+ .dirty = {
+ .mesa = 0,
+ .brw = BRW_NEW_BATCH,
+ .cache = CACHE_NEW_SAMPLER
+ },
+ .prepare = prepare_sampler_state_pointers,
+ .emit = upload_sampler_state_pointers,
+};