1 files changed, 73 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/clover/core/sampler.cpp b/src/gallium/state_trackers/clover/core/sampler.cpp
new file mode 100644
index 00000000000..6d683f2b41a
--- /dev/null
+++ b/src/gallium/state_trackers/clover/core/sampler.cpp
@@ -0,0 +1,73 @@
+//
+// Copyright 2012 Francisco Jerez
+//
+// 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 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 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 "core/sampler.hpp"
+#include "pipe/p_state.h"
+
+using namespace clover;
+
+_cl_sampler::_cl_sampler(clover::context &ctx, bool norm_mode,
+                         cl_addressing_mode addr_mode,
+                         cl_filter_mode filter_mode) :
+   ctx(ctx), __norm_mode(norm_mode),
+   __addr_mode(addr_mode), __filter_mode(filter_mode) {
+}
+
+bool
+_cl_sampler::norm_mode() {
+   return __norm_mode;
+}
+
+cl_addressing_mode
+_cl_sampler::addr_mode() {
+   return __addr_mode;
+}
+
+cl_filter_mode
+_cl_sampler::filter_mode() {
+   return __filter_mode;
+}
+
+void *
+_cl_sampler::bind(clover::command_queue &q) {
+   struct pipe_sampler_state info {};
+
+   info.normalized_coords = norm_mode();
+
+   info.wrap_s = info.wrap_t = info.wrap_r =
+      (addr_mode() == CL_ADDRESS_CLAMP_TO_EDGE ? PIPE_TEX_WRAP_CLAMP_TO_EDGE :
+       addr_mode() == CL_ADDRESS_CLAMP ? PIPE_TEX_WRAP_CLAMP_TO_BORDER :
+       addr_mode() == CL_ADDRESS_REPEAT ? PIPE_TEX_WRAP_REPEAT :
+       addr_mode() == CL_ADDRESS_MIRRORED_REPEAT ? PIPE_TEX_WRAP_MIRROR_REPEAT :
+       PIPE_TEX_WRAP_CLAMP_TO_EDGE);
+
+   info.min_img_filter = info.mag_img_filter =
+      (filter_mode() == CL_FILTER_LINEAR ? PIPE_TEX_FILTER_LINEAR :
+       PIPE_TEX_FILTER_NEAREST);
+
+   return q.pipe->create_sampler_state(q.pipe, &info);
+}
+
+void
+_cl_sampler::unbind(clover::command_queue &q, void *st) {
+   q.pipe->delete_sampler_state(q.pipe, st);
+}