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/**************************************************************************
*
* Copyright 2012 Jose Fonseca
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sub license,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* AUTHORS,
* AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
**************************************************************************/
/*
* Auxiliary functions to compute the size of array/blob arguments.
*/
#ifndef _D3D11SIZE_HPP_
#define _D3D11SIZE_HPP_
/* We purposedly don't include any D3D header, so that this header can be used
* with all D3D versions. */
#include <assert.h>
#include <algorithm>
#include "dxgisize.hpp"
#include "com_ptr.hpp"
inline UINT
_getNumMipLevels(const D3D11_BUFFER_DESC *pDesc) {
return 1;
}
inline UINT
_getNumMipLevels(const D3D11_TEXTURE1D_DESC *pDesc) {
return pDesc->MipLevels != 0 ? pDesc->MipLevels : _getNumMipLevels(pDesc->Width);
}
inline UINT
_getNumMipLevels(const D3D11_TEXTURE2D_DESC *pDesc) {
return pDesc->MipLevels != 0 ? pDesc->MipLevels : _getNumMipLevels(pDesc->Width, pDesc->Height);
}
inline UINT
_getNumMipLevels(const D3D11_TEXTURE3D_DESC *pDesc) {
return pDesc->MipLevels != 0 ? pDesc->MipLevels : _getNumMipLevels(pDesc->Width, pDesc->Height, pDesc->Depth);
}
inline UINT
_getNumSubResources(const D3D11_BUFFER_DESC *pDesc) {
return 1;
}
inline UINT
_getNumSubResources(const D3D11_TEXTURE1D_DESC *pDesc) {
return _getNumMipLevels(pDesc) * pDesc->ArraySize;
}
inline UINT
_getNumSubResources(const D3D11_TEXTURE2D_DESC *pDesc) {
return _getNumMipLevels(pDesc) * pDesc->ArraySize;
}
inline UINT
_getNumSubResources(const D3D11_TEXTURE3D_DESC *pDesc) {
return _getNumMipLevels(pDesc);
}
static inline size_t
_calcSubresourceSize(const D3D11_BUFFER_DESC *pDesc, UINT Subresource, UINT RowPitch = 0, UINT SlicePitch = 0) {
return pDesc->ByteWidth;
}
static inline size_t
_calcSubresourceSize(const D3D11_TEXTURE1D_DESC *pDesc, UINT Subresource, UINT RowPitch = 0, UINT SlicePitch = 0) {
UINT MipLevel = Subresource % _getNumMipLevels(pDesc);
return _calcMipDataSize(MipLevel, pDesc->Format, pDesc->Width, 1, RowPitch, 1, SlicePitch);
}
static inline size_t
_calcSubresourceSize(const D3D11_TEXTURE2D_DESC *pDesc, UINT Subresource, UINT RowPitch, UINT SlicePitch = 0) {
UINT MipLevel = Subresource % _getNumMipLevels(pDesc);
return _calcMipDataSize(MipLevel, pDesc->Format, pDesc->Width, pDesc->Height, RowPitch, 1, SlicePitch);
}
static inline size_t
_calcSubresourceSize(const D3D11_TEXTURE3D_DESC *pDesc, UINT Subresource, UINT RowPitch, UINT SlicePitch) {
UINT MipLevel = Subresource;
return _calcMipDataSize(MipLevel, pDesc->Format, pDesc->Width, pDesc->Height, RowPitch, pDesc->Depth, SlicePitch);
}
static inline size_t
_calcSubresourceSize(ID3D11Resource *pDstResource, UINT DstSubresource, const D3D11_BOX *pDstBox, UINT SrcRowPitch, UINT SrcDepthPitch) {
if (pDstBox &&
(pDstBox->left >= pDstBox->right ||
pDstBox->top >= pDstBox->bottom ||
pDstBox->front >= pDstBox->back)) {
return 0;
}
D3D11_RESOURCE_DIMENSION Type = D3D11_RESOURCE_DIMENSION_UNKNOWN;
pDstResource->GetType(&Type);
DXGI_FORMAT Format;
UINT Width;
UINT Height = 1;
UINT Depth = 1;
UINT MipLevels = 1;
switch (Type) {
case D3D11_RESOURCE_DIMENSION_BUFFER:
if (pDstBox) {
return pDstBox->right - pDstBox->left;
} else {
D3D11_BUFFER_DESC Desc;
static_cast<ID3D11Buffer *>(pDstResource)->GetDesc(&Desc);
return Desc.ByteWidth;
}
case D3D11_RESOURCE_DIMENSION_TEXTURE1D:
{
D3D11_TEXTURE1D_DESC Desc;
static_cast<ID3D11Texture1D *>(pDstResource)->GetDesc(&Desc);
Format = Desc.Format;
Width = Desc.Width;
MipLevels = Desc.MipLevels;
}
break;
case D3D11_RESOURCE_DIMENSION_TEXTURE2D:
{
D3D11_TEXTURE2D_DESC Desc;
static_cast<ID3D11Texture2D *>(pDstResource)->GetDesc(&Desc);
Format = Desc.Format;
Width = Desc.Width;
Height = Desc.Height;
MipLevels = Desc.MipLevels;
}
break;
case D3D11_RESOURCE_DIMENSION_TEXTURE3D:
{
D3D11_TEXTURE3D_DESC Desc;
static_cast<ID3D11Texture3D *>(pDstResource)->GetDesc(&Desc);
Format = Desc.Format;
Width = Desc.Width;
Height = Desc.Height;
Depth = Desc.Depth;
MipLevels = Desc.MipLevels;
}
break;
case D3D11_RESOURCE_DIMENSION_UNKNOWN:
default:
assert(0);
return 0;
}
if (pDstBox) {
Width = pDstBox->right - pDstBox->left;
Height = pDstBox->bottom - pDstBox->top;
Depth = pDstBox->back - pDstBox->front;
} else {
assert(Width > 0);
assert(Height > 0);
assert(Depth > 0);
UINT MipLevel = DstSubresource % MipLevels;
Width = std::max(Width >> MipLevel, UINT(1));
Height = std::max(Height >> MipLevel, UINT(1));
Depth = std::max(Depth >> MipLevel, UINT(1));
}
return _calcDataSize(Format, Width, Height, SrcRowPitch, Depth, SrcDepthPitch);
}
static inline void
_getMapDesc(ID3D11DeviceContext* pContext, ID3D11Resource * pResource, UINT Subresource, D3D11_MAP MapType, UINT MapFlags, D3D11_MAPPED_SUBRESOURCE * pMappedResource,
_MAP_DESC & MapDesc) {
MapDesc.pData = 0;
MapDesc.Size = 0;
if (MapType == D3D11_MAP_READ) {
return;
}
MapDesc.pData = pMappedResource->pData;
MapDesc.Size = _calcSubresourceSize(pResource, Subresource, NULL, pMappedResource->RowPitch, pMappedResource->DepthPitch);
}
static inline D3D11_QUERY
_getQueryType(ID3D11Query *pQuery)
{
D3D11_QUERY_DESC Desc;
pQuery->GetDesc(&Desc);
return Desc.Query;
}
static inline D3D11_QUERY
_getQueryType(ID3D11Asynchronous *pAsync)
{
com_ptr<ID3D11Query> pQuery;
HRESULT hr;
hr = pAsync->QueryInterface(IID_ID3D11Query, (void **)&pQuery);
if (FAILED(hr)) {
return (D3D11_QUERY)-1;
}
return _getQueryType(pQuery);
}
#endif /* _D3D11SIZE_HPP_ */
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