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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.
*/
#pragma once
#include <sstream>
#include "BasicTypes.h"
#include "GraphicsTypes.h"
#include "Shader.h"
#include "RefCountedObjectImpl.hpp"
#include "Errors.hpp"
#include "DataBlobImpl.hpp"
namespace Diligent
{
String BuildHLSLSourceString(const ShaderCreateInfo& ShaderCI,
const char* ExtraDefinitions = nullptr);
String GetHLSLProfileString(SHADER_TYPE ShaderType, ShaderVersion ShaderModel);
template <typename BlobType>
void HandleHLSLCompilerResult(bool CompilationSucceeded,
BlobType* pCompilerMsgBlob,
const std::string& ShaderSource,
const char* ShaderName,
IDataBlob** ppOutputLog) noexcept(false)
{
const char* CompilerMsg = pCompilerMsgBlob ? static_cast<const char*>(pCompilerMsgBlob->GetBufferPointer()) : nullptr;
const size_t CompilerMsgLen = CompilerMsg ? pCompilerMsgBlob->GetBufferSize() : 0;
if (ppOutputLog != nullptr)
{
const auto ShaderSourceLen = ShaderSource.length();
auto* pOutputLogBlob = MakeNewRCObj<DataBlobImpl>{}(ShaderSourceLen + 1 + CompilerMsgLen + 1);
auto* log = static_cast<char*>(pOutputLogBlob->GetDataPtr());
if (CompilerMsg != nullptr)
memcpy(log, CompilerMsg, CompilerMsgLen);
log[CompilerMsgLen] = 0; // Explicitly set null terminator
log += CompilerMsgLen + 1;
memcpy(log, ShaderSource.data(), ShaderSourceLen);
log[ShaderSourceLen] = 0;
pOutputLogBlob->QueryInterface(IID_DataBlob, reinterpret_cast<IObject**>(ppOutputLog));
}
if (!CompilationSucceeded || CompilerMsgLen != 0)
{
std::stringstream ss;
ss << (CompilationSucceeded ? "Compiler output for shader '" : "Failed to compile shader '")
<< (ShaderName != nullptr ? ShaderName : "<unknown>")
<< "'";
if (CompilerMsg != nullptr && CompilerMsgLen != 0)
{
ss << ":" << std::endl
<< std::string{CompilerMsg, CompilerMsgLen};
}
else if (!CompilationSucceeded)
{
ss << " (no shader log available).";
}
if (CompilationSucceeded)
LOG_INFO_MESSAGE(ss.str());
else
LOG_ERROR_AND_THROW(ss.str());
}
}
} // namespace Diligent
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