diff options
Diffstat (limited to 'src/gallium/state_trackers/clover/api/context.cpp')
-rw-r--r-- | src/gallium/state_trackers/clover/api/context.cpp | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/clover/api/context.cpp b/src/gallium/state_trackers/clover/api/context.cpp new file mode 100644 index 00000000000..c8d668933e5 --- /dev/null +++ b/src/gallium/state_trackers/clover/api/context.cpp @@ -0,0 +1,120 @@ +// +// 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/context.hpp" + +using namespace clover; + +PUBLIC cl_context +clCreateContext(const cl_context_properties *props, cl_uint num_devs, + const cl_device_id *devs, + void (CL_CALLBACK *pfn_notify)(const char *, const void *, + size_t, void *), + void *user_data, cl_int *errcode_ret) try { + auto mprops = property_map(props); + + if (!devs || !num_devs || + (!pfn_notify && user_data)) + throw error(CL_INVALID_VALUE); + + if (any_of(is_zero<cl_device_id>(), devs, devs + num_devs)) + throw error(CL_INVALID_DEVICE); + + for (auto p : mprops) { + if (!(p.first == CL_CONTEXT_PLATFORM && + (cl_platform_id)p.second == NULL)) + throw error(CL_INVALID_PROPERTY); + } + + ret_error(errcode_ret, CL_SUCCESS); + return new context( + property_vector(mprops), + std::vector<cl_device_id>(devs, devs + num_devs)); + +} catch(error &e) { + ret_error(errcode_ret, e); + return NULL; +} + +PUBLIC cl_context +clCreateContextFromType(const cl_context_properties *props, + cl_device_type type, + void (CL_CALLBACK *pfn_notify)( + const char *, const void *, size_t, void *), + void *user_data, cl_int *errcode_ret) { + cl_device_id dev; + cl_int ret; + + ret = clGetDeviceIDs(0, type, 1, &dev, 0); + if (ret) { + ret_error(errcode_ret, ret); + return NULL; + } + + return clCreateContext(props, 1, &dev, pfn_notify, user_data, errcode_ret); +} + +PUBLIC cl_int +clRetainContext(cl_context ctx) { + if (!ctx) + return CL_INVALID_CONTEXT; + + ctx->retain(); + return CL_SUCCESS; +} + +PUBLIC cl_int +clReleaseContext(cl_context ctx) { + if (!ctx) + return CL_INVALID_CONTEXT; + + if (ctx->release()) + delete ctx; + + return CL_SUCCESS; +} + +PUBLIC cl_int +clGetContextInfo(cl_context ctx, cl_context_info param, + size_t size, void *buf, size_t *size_ret) { + if (!ctx) + return CL_INVALID_CONTEXT; + + switch (param) { + case CL_CONTEXT_REFERENCE_COUNT: + return scalar_property<cl_uint>(buf, size, size_ret, ctx->ref_count()); + + case CL_CONTEXT_NUM_DEVICES: + return scalar_property<cl_uint>(buf, size, size_ret, ctx->devs.size()); + + case CL_CONTEXT_DEVICES: + return vector_property<cl_device_id>(buf, size, size_ret, ctx->devs); + + case CL_CONTEXT_PROPERTIES: + return vector_property<cl_context_properties>(buf, size, size_ret, + ctx->props()); + + default: + return CL_INVALID_VALUE; + } +} |