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// This code contains NVIDIA Confidential Information and is disclosed
// under the Mutual Non-Disclosure Agreement.
//
// Notice
// ALL NVIDIA DESIGN SPECIFICATIONS AND CODE ("MATERIALS") ARE PROVIDED "AS IS" NVIDIA MAKES
// NO REPRESENTATIONS, WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
// THE MATERIALS, AND EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTIES OF NONINFRINGEMENT,
// MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
//
// NVIDIA Corporation assumes no responsibility for the consequences of use of such
// information or for any infringement of patents or other rights of third parties that may
// result from its use. No license is granted by implication or otherwise under any patent
// or patent rights of NVIDIA Corporation. No third party distribution is allowed unless
// expressly authorized by NVIDIA. Details are subject to change without notice.
// This code supersedes and replaces all information previously supplied.
// NVIDIA Corporation products are not authorized for use as critical
// components in life support devices or systems without express written approval of
// NVIDIA Corporation.
//
// Copyright (c) 2003 - 2016 NVIDIA Corporation. All rights reserved.
//
// NVIDIA Corporation and its licensors retain all intellectual property and proprietary
// rights in and to this software and related documentation and any modifications thereto.
// Any use, reproduction, disclosure or distribution of this software and related
// documentation without an express license agreement from NVIDIA Corporation is
// strictly prohibited.
//
#ifndef D3D11_UTIL_H
#define D3D11_UTIL_H
////////////////////////////////////////////////////////////////////////////////
#include "common.h"
#include <d3d11.h>
#include <d3d11_1.h>
#pragma warning( disable: 4127 )
////////////////////////////////////////////////////////////////////////////////
/*==============================================================================
Overloaded functions to make shader compilation simpler
==============================================================================*/
HRESULT CompileShader(ID3D11Device * device, const void * data, UINT length, ID3D11VertexShader ** out_shader);
HRESULT CompileShader(ID3D11Device * device, const void * data, UINT length, ID3D11HullShader ** out_shader);
HRESULT CompileShader(ID3D11Device * device, const void * data, UINT length, ID3D11DomainShader ** out_shader);
HRESULT CompileShader(ID3D11Device * device, const void * data, UINT length, ID3D11GeometryShader ** out_shader);
HRESULT CompileShader(ID3D11Device * device, const void * data, UINT length, ID3D11PixelShader ** out_shader);
HRESULT CompileShader(ID3D11Device * device, const void * data, UINT length, ID3D11ComputeShader ** out_shader);
template <class T>
NV_FORCE_INLINE HRESULT LoadShaders(ID3D11Device * device, const void ** shader_codes, const uint32_t * shader_lengths, UINT count, T ** &out_shaders)
{
HRESULT hr = S_OK;
out_shaders = new T*[count];
for (UINT i = 0; i < count; ++i)
{
const void * code = shader_codes[i];
uint32_t length = shader_lengths[i];
if (code == nullptr)
{
out_shaders[i] = nullptr;
continue;
}
hr = CompileShader(device, code, length, &out_shaders[i]);
ASSERT_LOG(hr == S_OK, "Failure loading shader");
if (FAILED(hr))
break;
}
return hr;
}
/*==============================================================================
Perf Events
==============================================================================*/
class ScopedPerfEvent
{
public:
ScopedPerfEvent(ID3D11DeviceContext * ctx, const wchar_t * msg)
{
ctx->QueryInterface(IID_ID3DUserDefinedAnnotation, reinterpret_cast<void **>(&pPerf));
if (pPerf)
{
pPerf->BeginEvent(msg);
}
}
~ScopedPerfEvent()
{
if (pPerf)
{
pPerf->EndEvent();
SAFE_RELEASE(pPerf);
}
};
private:
ScopedPerfEvent() : pPerf(nullptr) {};
ID3DUserDefinedAnnotation * pPerf;
};
#if (NV_PROFILE)
# define NV_PERFEVENT(c, t) ScopedPerfEvent perfevent_##__COUNTER__##(c, L##t)
# define NV_PERFEVENT_BEGIN(c, t) { \
ID3DUserDefinedAnnotation * pPerf_##__COUNTER__ ; \
c->QueryInterface(IID_ID3DUserDefinedAnnotation, reinterpret_cast<void **>(&pPerf_##__COUNTER__##)); \
if (pPerf_##__COUNTER__##) { pPerf_##__COUNTER__##->BeginEvent(L##t); pPerf_##__COUNTER__##->Release(); } }
# define NV_PERFEVENT_END(c) { \
ID3DUserDefinedAnnotation * pPerf_##__COUNTER__ ; \
c->QueryInterface(IID_ID3DUserDefinedAnnotation, reinterpret_cast<void **>(&pPerf_##__COUNTER__##)); \
if (pPerf_##__COUNTER__##) { pPerf_##__COUNTER__##->EndEvent(); pPerf_##__COUNTER__##->Release(); } }
#else
# define NV_PERFEVENT(c, t)
# define NV_PERFEVENT_BEGIN(c, t)
# define NV_PERFEVENT_END(c)
#endif
/*==============================================================================
Constant buffer management
==============================================================================*/
template <class T>
class ConstantBuffer
{
public:
static ConstantBuffer<T> * Create(ID3D11Device * device)
{
HRESULT hr;
ID3D11Buffer * cb = nullptr;
static_assert((sizeof(T) % 16) == 0, "Constant buffer size must be 16-byte aligned");
CD3D11_BUFFER_DESC cbDesc;
cbDesc.ByteWidth = sizeof(T);
cbDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
cbDesc.Usage = D3D11_USAGE_DYNAMIC;
cbDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
cbDesc.MiscFlags = 0;
cbDesc.StructureByteStride = 1;
hr = device->CreateBuffer(&cbDesc, nullptr, &cb);
if (cb == nullptr)
return nullptr;
return new ConstantBuffer<T>(cb);
}
ConstantBuffer(ID3D11Buffer * b)
{
buffer_ = b;
}
~ConstantBuffer()
{
SAFE_RELEASE(buffer_);
}
T * Map(ID3D11DeviceContext * ctx)
{
HRESULT hr;
D3D11_MAPPED_SUBRESOURCE data;
hr = ctx->Map(buffer_, 0, D3D11_MAP_WRITE_DISCARD, 0, &data);
return static_cast<T*>(data.pData);
}
void Unmap(ID3D11DeviceContext * ctx)
{
ctx->Unmap(buffer_, 0);
}
ID3D11Buffer * getCB() { return buffer_; }
private:
ConstantBuffer() {};
ID3D11Buffer *buffer_;
};
/*==============================================================================
Texture resource management helpers
==============================================================================*/
//------------------------------------------------------------------------------
class ShaderResource
{
public:
ShaderResource(ID3D11Resource * resource, ID3D11ShaderResourceView * srv, ID3D11UnorderedAccessView * uav);
~ShaderResource();
ID3D11Resource * getResource() { return resource_; }
ID3D11ShaderResourceView * getSRV() { return srv_; }
ID3D11UnorderedAccessView * getUAV() { return uav_; }
protected:
ShaderResource() {};
ID3D11Resource * resource_;
ID3D11ShaderResourceView * srv_;
ID3D11UnorderedAccessView * uav_;
};
//------------------------------------------------------------------------------
class RenderTarget : public ShaderResource
{
public:
static RenderTarget * Create(ID3D11Device * device, UINT width, UINT height, UINT samples, DXGI_FORMAT format, const char * debug_name=nullptr);
RenderTarget(ID3D11Resource * resource, ID3D11ShaderResourceView * srv, ID3D11RenderTargetView * rtv, ID3D11UnorderedAccessView * uav);
~RenderTarget();
ID3D11RenderTargetView * getRTV() { return rtv_; }
protected:
RenderTarget() {};
ID3D11RenderTargetView * rtv_;
};
//------------------------------------------------------------------------------
class DepthTarget : public ShaderResource
{
public:
static DepthTarget * Create(ID3D11Device * device, UINT width, UINT height, UINT samples, DXGI_FORMAT format, uint32_t slices=1, char * debug_name=nullptr);
DepthTarget(ID3D11Resource * resource, ID3D11ShaderResourceView * srv, ID3D11DepthStencilView * dsv, ID3D11DepthStencilView * readonly_dsv, ID3D11UnorderedAccessView * uav);
~DepthTarget();
ID3D11DepthStencilView * getDSV() { return dsv_; }
ID3D11DepthStencilView * getReadOnlyDSV() { return readonly_dsv_; }
protected:
DepthTarget() {};
ID3D11DepthStencilView * dsv_;
ID3D11DepthStencilView * readonly_dsv_;
};
////////////////////////////////////////////////////////////////////////////////
#endif // D3D11_UTIL_H
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