Torque3D/Engine/source/gfx/D3D11/gfxD3D11Cubemap.cpp
2016-03-20 21:48:52 +10:00

352 lines
10 KiB
C++

//-----------------------------------------------------------------------------
// Copyright (c) 2015 GarageGames, LLC
//
// 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, sublicense, 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 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 NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS 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.
//-----------------------------------------------------------------------------
#include "gfx/D3D11/gfxD3D11Cubemap.h"
#include "gfx/gfxCardProfile.h"
#include "gfx/gfxTextureManager.h"
#include "gfx/D3D11/gfxD3D11EnumTranslate.h"
GFXD3D11Cubemap::GFXD3D11Cubemap() : mTexture(NULL), mSRView(NULL), mDSView(NULL)
{
mDynamic = false;
mAutoGenMips = false;
mFaceFormat = GFXFormatR8G8B8A8;
for (U32 i = 0; i < CubeFaces; i++)
{
mRTView[i] = NULL;
}
}
GFXD3D11Cubemap::~GFXD3D11Cubemap()
{
releaseSurfaces();
}
void GFXD3D11Cubemap::releaseSurfaces()
{
if (mDynamic)
GFXTextureManager::removeEventDelegate(this, &GFXD3D11Cubemap::_onTextureEvent);
for (U32 i = 0; i < CubeFaces; i++)
{
SAFE_RELEASE(mRTView[i]);
}
SAFE_RELEASE(mDSView);
SAFE_RELEASE(mSRView);
SAFE_RELEASE(mTexture);
}
void GFXD3D11Cubemap::_onTextureEvent(GFXTexCallbackCode code)
{
if (code == GFXZombify)
releaseSurfaces();
else if (code == GFXResurrect)
initDynamic(mTexSize);
}
bool GFXD3D11Cubemap::isCompressed(GFXFormat format)
{
if (format >= GFXFormatDXT1 && format <= GFXFormatDXT5)
return true;
return false;
}
void GFXD3D11Cubemap::initStatic(GFXTexHandle *faces)
{
AssertFatal( faces, "GFXD3D11Cubemap::initStatic - Got null GFXTexHandle!" );
AssertFatal( *faces, "empty texture passed to CubeMap::create" );
// NOTE - check tex sizes on all faces - they MUST be all same size
mTexSize = faces->getWidth();
mFaceFormat = faces->getFormat();
bool compressed = isCompressed(mFaceFormat);
UINT bindFlags = D3D11_BIND_SHADER_RESOURCE;
UINT miscFlags = D3D11_RESOURCE_MISC_TEXTURECUBE;
if (!compressed)
{
bindFlags |= D3D11_BIND_RENDER_TARGET;
miscFlags |= D3D11_RESOURCE_MISC_GENERATE_MIPS;
}
U32 mipLevels = faces->getPointer()->getMipLevels();
if (mipLevels > 1)
mAutoGenMips = true;
D3D11_TEXTURE2D_DESC desc;
ZeroMemory(&desc, sizeof(D3D11_TEXTURE2D_DESC));
desc.Width = mTexSize;
desc.Height = mTexSize;
desc.MipLevels = mAutoGenMips ? 0 : mipLevels;
desc.ArraySize = 6;
desc.Format = GFXD3D11TextureFormat[mFaceFormat];
desc.SampleDesc.Count = 1;
desc.SampleDesc.Quality = 0;
desc.Usage = D3D11_USAGE_DEFAULT;
desc.BindFlags = bindFlags;
desc.MiscFlags = miscFlags;
desc.CPUAccessFlags = 0;
HRESULT hr = D3D11DEVICE->CreateTexture2D(&desc, NULL, &mTexture);
if (FAILED(hr))
{
AssertFatal(false, "GFXD3D11Cubemap:initStatic(GFXTexhandle *faces) - failed to create texcube texture");
}
for (U32 i = 0; i < CubeFaces; i++)
{
GFXD3D11TextureObject *texObj = static_cast<GFXD3D11TextureObject*>((GFXTextureObject*)faces[i]);
U32 subResource = D3D11CalcSubresource(0, i, mipLevels);
D3D11DEVICECONTEXT->CopySubresourceRegion(mTexture, subResource, 0, 0, 0, texObj->get2DTex(), 0, NULL);
}
D3D11_SHADER_RESOURCE_VIEW_DESC SMViewDesc;
SMViewDesc.Format = GFXD3D11TextureFormat[mFaceFormat];
SMViewDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURECUBE;
SMViewDesc.TextureCube.MipLevels = mAutoGenMips ? -1 : mipLevels;
SMViewDesc.TextureCube.MostDetailedMip = 0;
hr = D3D11DEVICE->CreateShaderResourceView(mTexture, &SMViewDesc, &mSRView);
if (FAILED(hr))
{
AssertFatal(false, "GFXD3D11Cubemap::initStatic(GFXTexHandle *faces) - texcube shader resource view creation failure");
}
if (mAutoGenMips && !compressed)
D3D11DEVICECONTEXT->GenerateMips(mSRView);
}
void GFXD3D11Cubemap::initStatic(DDSFile *dds)
{
AssertFatal(dds, "GFXD3D11Cubemap::initStatic - Got null DDS file!");
AssertFatal(dds->isCubemap(), "GFXD3D11Cubemap::initStatic - Got non-cubemap DDS file!");
AssertFatal(dds->mSurfaces.size() == 6, "GFXD3D11Cubemap::initStatic - DDS has less than 6 surfaces!");
// NOTE - check tex sizes on all faces - they MUST be all same size
mTexSize = dds->getWidth();
mFaceFormat = dds->getFormat();
U32 levels = dds->getMipLevels();
D3D11_TEXTURE2D_DESC desc;
desc.Width = mTexSize;
desc.Height = mTexSize;
desc.MipLevels = levels;
desc.ArraySize = 6;
desc.Format = GFXD3D11TextureFormat[mFaceFormat];
desc.SampleDesc.Count = 1;
desc.SampleDesc.Quality = 0;
desc.Usage = D3D11_USAGE_IMMUTABLE;
desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
desc.MiscFlags = D3D11_RESOURCE_MISC_TEXTURECUBE | D3D11_RESOURCE_MISC_GENERATE_MIPS;
D3D11_SUBRESOURCE_DATA* pData = new D3D11_SUBRESOURCE_DATA[6 + levels];
for (U32 i = 0; i<CubeFaces; i++)
{
if (!dds->mSurfaces[i])
continue;
for(U32 j = 0; j < levels; j++)
{
pData[i + j].pSysMem = dds->mSurfaces[i]->mMips[j];
pData[i + j].SysMemPitch = dds->getSurfacePitch(j);
pData[i + j].SysMemSlicePitch = dds->getSurfaceSize(j);
}
}
HRESULT hr = D3D11DEVICE->CreateTexture2D(&desc, pData, &mTexture);
delete [] pData;
D3D11_SHADER_RESOURCE_VIEW_DESC SMViewDesc;
SMViewDesc.Format = GFXD3D11TextureFormat[mFaceFormat];
SMViewDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURECUBE;
SMViewDesc.TextureCube.MipLevels = levels;
SMViewDesc.TextureCube.MostDetailedMip = 0;
hr = D3D11DEVICE->CreateShaderResourceView(mTexture, &SMViewDesc, &mSRView);
if(FAILED(hr))
{
AssertFatal(false, "GFXD3D11Cubemap::initStatic(DDSFile *dds) - CreateTexture2D call failure");
}
}
void GFXD3D11Cubemap::initDynamic(U32 texSize, GFXFormat faceFormat)
{
if(!mDynamic)
GFXTextureManager::addEventDelegate(this, &GFXD3D11Cubemap::_onTextureEvent);
mDynamic = true;
mAutoGenMips = true;
mTexSize = texSize;
mFaceFormat = faceFormat;
bool compressed = isCompressed(mFaceFormat);
UINT bindFlags = D3D11_BIND_SHADER_RESOURCE;
UINT miscFlags = D3D11_RESOURCE_MISC_TEXTURECUBE;
if (!compressed)
{
bindFlags |= D3D11_BIND_RENDER_TARGET;
miscFlags |= D3D11_RESOURCE_MISC_GENERATE_MIPS;
}
D3D11_TEXTURE2D_DESC desc;
desc.Width = mTexSize;
desc.Height = mTexSize;
desc.MipLevels = 0;
desc.ArraySize = 6;
desc.Format = GFXD3D11TextureFormat[mFaceFormat];
desc.SampleDesc.Count = 1;
desc.SampleDesc.Quality = 0;
desc.Usage = D3D11_USAGE_DEFAULT;
desc.BindFlags = bindFlags;
desc.CPUAccessFlags = 0;
desc.MiscFlags = miscFlags;
HRESULT hr = D3D11DEVICE->CreateTexture2D(&desc, NULL, &mTexture);
D3D11_SHADER_RESOURCE_VIEW_DESC SMViewDesc;
SMViewDesc.Format = GFXD3D11TextureFormat[mFaceFormat];
SMViewDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURECUBE;
SMViewDesc.TextureCube.MipLevels = -1;
SMViewDesc.TextureCube.MostDetailedMip = 0;
hr = D3D11DEVICE->CreateShaderResourceView(mTexture, &SMViewDesc, &mSRView);
if(FAILED(hr))
{
AssertFatal(false, "GFXD3D11Cubemap::initDynamic - CreateTexture2D call failure");
}
D3D11_RENDER_TARGET_VIEW_DESC viewDesc;
viewDesc.Format = desc.Format;
viewDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2DARRAY;
viewDesc.Texture2DArray.ArraySize = 1;
viewDesc.Texture2DArray.MipSlice = 0;
for (U32 i = 0; i < CubeFaces; i++)
{
viewDesc.Texture2DArray.FirstArraySlice = i;
hr = D3D11DEVICE->CreateRenderTargetView(mTexture, &viewDesc, &mRTView[i]);
if(FAILED(hr))
{
AssertFatal(false, "GFXD3D11Cubemap::initDynamic - CreateRenderTargetView call failure");
}
}
D3D11_TEXTURE2D_DESC depthTexDesc;
depthTexDesc.Width = mTexSize;
depthTexDesc.Height = mTexSize;
depthTexDesc.MipLevels = 1;
depthTexDesc.ArraySize = 1;
depthTexDesc.SampleDesc.Count = 1;
depthTexDesc.SampleDesc.Quality = 0;
depthTexDesc.Format = DXGI_FORMAT_D32_FLOAT;
depthTexDesc.Usage = D3D11_USAGE_DEFAULT;
depthTexDesc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
depthTexDesc.CPUAccessFlags = 0;
depthTexDesc.MiscFlags = 0;
ID3D11Texture2D* depthTex = 0;
hr = D3D11DEVICE->CreateTexture2D(&depthTexDesc, 0, &depthTex);
if(FAILED(hr))
{
AssertFatal(false, "GFXD3D11Cubemap::initDynamic - CreateTexture2D for depth stencil call failure");
}
// Create the depth stencil view for the entire cube
D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc;
dsvDesc.Format = depthTexDesc.Format; //The format must match the depth texture we created above
dsvDesc.Flags = 0;
dsvDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
dsvDesc.Texture2D.MipSlice = 0;
hr = D3D11DEVICE->CreateDepthStencilView(depthTex, &dsvDesc, &mDSView);
if(FAILED(hr))
{
AssertFatal(false, "GFXD3D11Cubemap::initDynamic - CreateDepthStencilView call failure");
}
SAFE_RELEASE(depthTex);
}
//-----------------------------------------------------------------------------
// Set the cubemap to the specified texture unit num
//-----------------------------------------------------------------------------
void GFXD3D11Cubemap::setToTexUnit(U32 tuNum)
{
D3D11DEVICECONTEXT->PSSetShaderResources(tuNum, 1, &mSRView);
}
void GFXD3D11Cubemap::zombify()
{
// Static cubemaps are handled by D3D
if( mDynamic )
releaseSurfaces();
}
void GFXD3D11Cubemap::resurrect()
{
// Static cubemaps are handled by D3D
if( mDynamic )
initDynamic( mTexSize, mFaceFormat );
}
ID3D11ShaderResourceView* GFXD3D11Cubemap::getSRView()
{
return mSRView;
}
ID3D11RenderTargetView* GFXD3D11Cubemap::getRTView(U32 faceIdx)
{
AssertFatal(faceIdx < CubeFaces, "GFXD3D11Cubemap::getRTView - face index out of bounds");
return mRTView[faceIdx];
}
ID3D11RenderTargetView** GFXD3D11Cubemap::getRTViewArray()
{
return mRTView;
}
ID3D11DepthStencilView* GFXD3D11Cubemap::getDSView()
{
return mDSView;
}
ID3D11Texture2D* GFXD3D11Cubemap::get2DTex()
{
return mTexture;
}