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/*
* Copyright 2019-2021 Diligent Graphics LLC
* Copyright 2015-2019 Egor Yusov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* In no event and under no legal theory, whether in tort (including negligence),
* contract, or otherwise, unless required by applicable law (such as deliberate
* and grossly negligent acts) or agreed to in writing, shall any Contributor be
* liable for any damages, including any direct, indirect, special, incidental,
* or consequential damages of any character arising as a result of this License or
* out of the use or inability to use the software (including but not limited to damages
* for loss of goodwill, work stoppage, computer failure or malfunction, or any and
* all other commercial damages or losses), even if such Contributor has been advised
* of the possibility of such damages.
*/
#include "../include/DiligentFXShaderSourceStreamFactory.hpp"
#include "MemoryFileStream.hpp"
#include "StringDataBlobImpl.hpp"
#include "RefCntAutoPtr.hpp"
#include "../../../shaders_inc/shaders_list.h"
namespace Diligent
{
DiligentFXShaderSourceStreamFactory& DiligentFXShaderSourceStreamFactory::GetInstance()
{
static DiligentFXShaderSourceStreamFactory TheFactory;
return TheFactory;
}
DiligentFXShaderSourceStreamFactory::DiligentFXShaderSourceStreamFactory()
{
for (size_t i = 0; i < _countof(g_Shaders); ++i)
{
m_NameToSourceMap.emplace(g_Shaders[i].FileName, g_Shaders[i].Source);
}
}
void DiligentFXShaderSourceStreamFactory::CreateInputStream(const Char* Name,
IFileStream** ppStream)
{
CreateInputStream2(Name, CREATE_SHADER_SOURCE_INPUT_STREAM_FLAG_NONE, ppStream);
}
void DiligentFXShaderSourceStreamFactory::CreateInputStream2(const Char* Name,
CREATE_SHADER_SOURCE_INPUT_STREAM_FLAGS Flags,
IFileStream** ppStream)
{
auto SourceIt = m_NameToSourceMap.find(Name);
if (SourceIt != m_NameToSourceMap.end())
{
RefCntAutoPtr<StringDataBlobImpl> pDataBlob(MakeNewRCObj<StringDataBlobImpl>()(SourceIt->second));
RefCntAutoPtr<MemoryFileStream> pMemStream(MakeNewRCObj<MemoryFileStream>()(pDataBlob));
pMemStream->QueryInterface(IID_FileStream, reinterpret_cast<IObject**>(ppStream));
}
else
{
*ppStream = nullptr;
if ((Flags & CREATE_SHADER_SOURCE_INPUT_STREAM_FLAG_SILENT) == 0)
{
LOG_ERROR("Failed to create input stream for source file ", Name);
}
}
}
} // namespace Diligent
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