clover: Import OpenCL state tracker.

src/gallium/state_trackers/clover/api/sampler.cpp

@@ -0,0 +1,90 @@
+//
+// 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 "api/util.hpp"
+#include "core/sampler.hpp"
+
+using namespace clover;
+
+PUBLIC cl_sampler
+clCreateSampler(cl_context ctx, cl_bool norm_mode,
+                cl_addressing_mode addr_mode, cl_filter_mode filter_mode,
+                cl_int *errcode_ret) try {
+   if (!ctx)
+      throw error(CL_INVALID_CONTEXT);
+
+   ret_error(errcode_ret, CL_SUCCESS);
+   return new sampler(*ctx, norm_mode, addr_mode, filter_mode);
+
+} catch (error &e) {
+   ret_error(errcode_ret, e);
+   return NULL;
+}
+
+PUBLIC cl_int
+clRetainSampler(cl_sampler s) {
+   if (!s)
+      throw error(CL_INVALID_SAMPLER);
+
+   s->retain();
+   return CL_SUCCESS;
+}
+
+PUBLIC cl_int
+clReleaseSampler(cl_sampler s) {
+   if (!s)
+      throw error(CL_INVALID_SAMPLER);
+
+   if (s->release())
+      delete s;
+
+   return CL_SUCCESS;
+}
+
+PUBLIC cl_int
+clGetSamplerInfo(cl_sampler s, cl_sampler_info param,
+                 size_t size, void *buf, size_t *size_ret) {
+   if (!s)
+      throw error(CL_INVALID_SAMPLER);
+
+   switch (param) {
+   case CL_SAMPLER_REFERENCE_COUNT:
+      return scalar_property<cl_uint>(buf, size, size_ret, s->ref_count());
+
+   case CL_SAMPLER_CONTEXT:
+      return scalar_property<cl_context>(buf, size, size_ret, &s->ctx);
+
+   case CL_SAMPLER_NORMALIZED_COORDS:
+      return scalar_property<cl_bool>(buf, size, size_ret, s->norm_mode());
+
+   case CL_SAMPLER_ADDRESSING_MODE:
+      return scalar_property<cl_addressing_mode>(buf, size, size_ret,
+                                                 s->addr_mode());
+
+   case CL_SAMPLER_FILTER_MODE:
+      return scalar_property<cl_filter_mode>(buf, size, size_ret,
+                                             s->filter_mode());
+
+   default:
+      return CL_INVALID_VALUE;
+   }
+}