mirror of
https://github.com/intel/compute-runtime.git
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102 lines
3.9 KiB
C++
102 lines
3.9 KiB
C++
/*
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* Copyright (c) 2017, Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifdef LIBVA
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#include "runtime/api/api.h"
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#include "runtime/context/context.h"
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#include "runtime/context/context.inl"
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#include "runtime/sharings/va/enable_va.h"
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#include "runtime/sharings/va/va_sharing.h"
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#include "runtime/sharings/sharing_factory.h"
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#include "runtime/sharings/sharing_factory.inl"
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#include <memory>
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namespace OCLRT {
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bool VaSharingContextBuilder::processProperties(cl_context_properties &propertyType, cl_context_properties &propertyValue, cl_int &errcodeRet) {
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if (contextData.get() == nullptr) {
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contextData.reset(new VaCreateContextProperties);
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}
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bool res = false;
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switch (propertyType) {
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case CL_CONTEXT_VA_API_DISPLAY_INTEL:
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contextData->vaDisplay = (VADisplay)propertyValue;
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res = true;
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break;
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}
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return res;
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}
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bool VaSharingContextBuilder::finalizeProperties(Context &context, int32_t &errcodeRet) {
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if (contextData.get() == nullptr)
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return true;
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if (contextData->vaDisplay) {
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context.registerSharing(new VASharingFunctions(contextData->vaDisplay));
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if (!context.getSharing<VASharingFunctions>()->isValidVaDisplay()) {
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errcodeRet = CL_INVALID_VA_API_MEDIA_ADAPTER_INTEL;
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return false;
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}
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}
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return true;
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}
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std::unique_ptr<SharingContextBuilder> VaSharingBuilderFactory::createContextBuilder() {
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return std::unique_ptr<SharingContextBuilder>(new VaSharingContextBuilder());
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};
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std::string VaSharingBuilderFactory::getExtensions() {
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if (VASharingFunctions::isVaLibraryAvailable()) {
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return "cl_intel_va_api_media_sharing ";
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}
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return "";
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}
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void VaSharingBuilderFactory::fillGlobalDispatchTable() {
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crtGlobalDispatchTable.clCreateFromVA_APIMediaSurfaceINTEL = clCreateFromVA_APIMediaSurfaceINTEL;
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crtGlobalDispatchTable.clGetDeviceIDsFromVA_APIMediaAdapterINTEL = clGetDeviceIDsFromVA_APIMediaAdapterINTEL;
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crtGlobalDispatchTable.clEnqueueReleaseVA_APIMediaSurfacesINTEL = clEnqueueReleaseVA_APIMediaSurfacesINTEL;
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crtGlobalDispatchTable.clEnqueueAcquireVA_APIMediaSurfacesINTEL = clEnqueueAcquireVA_APIMediaSurfacesINTEL;
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}
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#define RETURN_FUNC_PTR_IF_EXIST(name) \
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{ \
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if (functionName == #name) { \
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return ((void *)(name)); \
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} \
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}
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void *VaSharingBuilderFactory::getExtensionFunctionAddress(const std::string &functionName) {
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RETURN_FUNC_PTR_IF_EXIST(clCreateFromVA_APIMediaSurfaceINTEL);
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RETURN_FUNC_PTR_IF_EXIST(clGetDeviceIDsFromVA_APIMediaAdapterINTEL);
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RETURN_FUNC_PTR_IF_EXIST(clEnqueueAcquireVA_APIMediaSurfacesINTEL);
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RETURN_FUNC_PTR_IF_EXIST(clEnqueueReleaseVA_APIMediaSurfacesINTEL);
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return nullptr;
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}
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static SharingFactory::RegisterSharing<VaSharingBuilderFactory, VASharingFunctions> vaSharing;
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} // namespace OCLRT
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#endif
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