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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 "pch.h"
#include "ShaderD3D11Impl.hpp"
#include "RenderDeviceD3D11Impl.hpp"
namespace Diligent
{
static const ShaderVersion HLSLValidateShaderVersion(const ShaderVersion& Version, const ShaderVersion& MaxVersion)
{
ShaderVersion ModelVer;
if (Version.Major > MaxVersion.Major || (Version.Major == MaxVersion.Major && Version.Minor > MaxVersion.Minor))
{
ModelVer = MaxVersion;
LOG_ERROR_MESSAGE("Shader model ", Uint32{Version.Major}, "_", Uint32{Version.Minor},
" is not supported by this device. Attempting to use the maximum supported model ",
Uint32{MaxVersion.Major}, "_", Uint32{MaxVersion.Minor}, '.');
}
else
{
ModelVer = Version;
}
return ModelVer;
}
static const ShaderVersion GetD3D11ShaderModel(ID3D11Device* pd3d11Device, const ShaderVersion& HLSLVersion)
{
auto d3dDeviceFeatureLevel = pd3d11Device->GetFeatureLevel();
switch (d3dDeviceFeatureLevel)
{
// Direct3D11 only supports shader model 5.0 even if the device feature level is
// above 11.0 (for example, 11.1 or 12.0).
// https://docs.microsoft.com/en-us/windows/win32/direct3d11/overviews-direct3d-11-devices-downlevel-intro#overview-for-each-feature-level
#if defined(_WIN32_WINNT_WIN10) && (_WIN32_WINNT >= _WIN32_WINNT_WIN10)
case D3D_FEATURE_LEVEL_12_1:
case D3D_FEATURE_LEVEL_12_0:
#endif
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return (HLSLVersion.Major == 0 && HLSLVersion.Minor == 0) ?
ShaderVersion{5, 0} :
HLSLValidateShaderVersion(HLSLVersion, {5, 0});
case D3D_FEATURE_LEVEL_10_1:
return (HLSLVersion.Major == 0 && HLSLVersion.Minor == 0) ?
ShaderVersion{4, 1} :
HLSLValidateShaderVersion(HLSLVersion, {4, 1});
case D3D_FEATURE_LEVEL_10_0:
return (HLSLVersion.Major == 0 && HLSLVersion.Minor == 0) ?
ShaderVersion{4, 0} :
HLSLValidateShaderVersion(HLSLVersion, {4, 0});
default:
UNEXPECTED("Unexpected D3D feature level ", static_cast<Uint32>(d3dDeviceFeatureLevel));
return ShaderVersion{4, 0};
}
}
ShaderD3D11Impl::ShaderD3D11Impl(IReferenceCounters* pRefCounters,
RenderDeviceD3D11Impl* pRenderDeviceD3D11,
const ShaderCreateInfo& ShaderCI) :
// clang-format off
TShaderBase
{
pRefCounters,
pRenderDeviceD3D11,
ShaderCI.Desc
},
ShaderD3DBase{ShaderCI, GetD3D11ShaderModel(pRenderDeviceD3D11->GetD3D11Device(), ShaderCI.HLSLVersion), nullptr}
// clang-format on
{
auto* pDeviceD3D11 = pRenderDeviceD3D11->GetD3D11Device();
switch (ShaderCI.Desc.ShaderType)
{
#define CREATE_SHADER(SHADER_NAME, ShaderName) \
case SHADER_TYPE_##SHADER_NAME: \
{ \
ID3D11##ShaderName##Shader* pShader; \
HRESULT hr = pDeviceD3D11->Create##ShaderName##Shader(m_pShaderByteCode->GetBufferPointer(), m_pShaderByteCode->GetBufferSize(), NULL, &pShader); \
CHECK_D3D_RESULT_THROW(hr, "Failed to create D3D11 shader"); \
if (SUCCEEDED(hr)) \
{ \
pShader->QueryInterface(__uuidof(ID3D11DeviceChild), reinterpret_cast<void**>(static_cast<ID3D11DeviceChild**>(&m_pShader))); \
pShader->Release(); \
} \
break; \
}
CREATE_SHADER(VERTEX, Vertex)
CREATE_SHADER(PIXEL, Pixel)
CREATE_SHADER(GEOMETRY, Geometry)
CREATE_SHADER(DOMAIN, Domain)
CREATE_SHADER(HULL, Hull)
CREATE_SHADER(COMPUTE, Compute)
default: UNEXPECTED("Unknown shader type");
}
if (!m_pShader)
LOG_ERROR_AND_THROW("Failed to create the shader from the byte code");
if (*m_Desc.Name != 0)
{
auto hr = m_pShader->SetPrivateData(WKPDID_D3DDebugObjectName, static_cast<UINT>(strlen(m_Desc.Name)), m_Desc.Name);
DEV_CHECK_ERR(SUCCEEDED(hr), "Failed to set shader name");
}
// Load shader resources
auto& Allocator = GetRawAllocator();
auto* pRawMem = ALLOCATE(Allocator, "Allocator for ShaderResources", ShaderResourcesD3D11, 1);
auto* pResources = new (pRawMem) ShaderResourcesD3D11(pRenderDeviceD3D11, m_pShaderByteCode, m_Desc, ShaderCI.UseCombinedTextureSamplers ? ShaderCI.CombinedSamplerSuffix : nullptr);
m_pShaderResources.reset(pResources, STDDeleterRawMem<ShaderResourcesD3D11>(Allocator));
}
ShaderD3D11Impl::~ShaderD3D11Impl()
{
}
void ShaderD3D11Impl::QueryInterface(const INTERFACE_ID& IID, IObject** ppInterface)
{
if (ppInterface == nullptr)
return;
if (IID == IID_ShaderD3D || IID == IID_ShaderD3D11)
{
*ppInterface = this;
(*ppInterface)->AddRef();
}
else
{
TShaderBase::QueryInterface(IID, ppInterface);
}
}
} // namespace Diligent
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