IDepthStencilView GetDsv(ref DepthStencilViewDescription viewDesc)
{
CDepthStencilView view = null;
foreach (var v in dsvs) { if (v.DescEquals(ref viewDesc)) { view = v; break; } }
if (view == null)
{
view = new CDepthStencilView(this, GetSurfaceLevel(viewDesc.FirstArraySlice, viewDesc.MipSlice), ref viewDesc);
dsvs.Add(view);
}
return view;
}
public bool OnResize(CRenderContext RHICtx, CSwapChain SwapChain, UInt32 width, UInt32 height)
{
if (mViewport == null || width == 0 || height == 0)
{
return(false);
}
mViewport.Width = width;
mViewport.Height = height;
//frame buffer;
mFrameBuffer?.Cleanup();
mFrameBuffer = null;
CFrameBuffersDesc FBDesc = new CFrameBuffersDesc();
FBDesc.IsSwapChainBuffer = vBOOL.FromBoolean(mViewInfo.IsSwapChainBuffer);
FBDesc.UseDSV = (mViewInfo.UseDepthStencilView ? vBOOL.FromBoolean(true) : vBOOL.FromBoolean(false));
mFrameBuffer = RHICtx.CreateFrameBuffers(FBDesc);
if (mFrameBuffer == null)
{
return(false);
}
for (int idx = 0; idx < mTex2dArray.Count; idx++)
{
mTex2dArray[idx]?.Cleanup();
}
mTex2dArray.Clear();
for (int idx = 0; idx < mSRVArray.Count; idx++)
{
mSRVArray[idx]?.Cleanup();
}
mSRVArray.Clear();
//render target view;
for (int idx = 0; idx < mRTVArray.Count; idx++)
{
mRTVArray[idx]?.Cleanup();
}
mRTVArray.Clear();
mDepthStencilView?.Cleanup();
mDepthStencilView = null;
if (mViewInfo.IsSwapChainBuffer == true && SwapChain != null)
{
for (int idx = 0; idx < mViewInfo.mRTVDescArray.Count; idx++)
{
var RTVDesc = mViewInfo.mRTVDescArray[idx];
//gles3.1 can not sample swap chain buffer;
RTVDesc.mCanBeSampled = vBOOL.FromBoolean(false);
RTVDesc.mTexture2D = SwapChain.Texture2D.CoreObject;
//this is for editor to use(snapshot needs this);
if (CEngine.Instance.Desc.RHIType == ERHIType.RHT_D3D11)
{
CShaderResourceViewDesc SRVDesc = new CShaderResourceViewDesc();
SRVDesc.Init();
SRVDesc.mTexture2D = SwapChain.Texture2D.CoreObject;
var SRV = RHICtx.CreateShaderResourceView(SRVDesc);
mSRVArray.Add(SRV);
mFrameBuffer.BindSRV_RT((UInt32)idx, SRV);
}
var RTV = RHICtx.CreateRenderTargetView(RTVDesc);
mRTVArray.Add(RTV);
mFrameBuffer.BindRenderTargetView((UInt32)idx, RTV);
}
}
else
{
for (int idx = 0; idx < mViewInfo.mRTVDescArray.Count; idx++)
{
var refRTVDesc = mViewInfo.mRTVDescArray[idx];
if (refRTVDesc.mCanBeSampled == true)
{
CTexture2DDesc TexDesc = new CTexture2DDesc();
TexDesc.Init();
TexDesc.Width = width;
TexDesc.Height = height;
TexDesc.Format = refRTVDesc.Format;
TexDesc.BindFlags = (UInt32)(EBindFlags.BF_SHADER_RES | EBindFlags.BF_RENDER_TARGET);
var Tex2D = RHICtx.CreateTexture2D(TexDesc);
mTex2dArray.Add(Tex2D);
CShaderResourceViewDesc SRVDesc = new CShaderResourceViewDesc();
SRVDesc.Init();
SRVDesc.mTexture2D = Tex2D.CoreObject;
var SRV = RHICtx.CreateShaderResourceView(SRVDesc);
mSRVArray.Add(SRV);
mFrameBuffer.BindSRV_RT((UInt32)idx, SRV);
refRTVDesc.mTexture2D = Tex2D.CoreObject;
var RTV = RHICtx.CreateRenderTargetView(refRTVDesc);
mRTVArray.Add(RTV);
mFrameBuffer.BindRenderTargetView((UInt32)idx, RTV);
}
else
{
CTexture2DDesc TexDesc = new CTexture2DDesc();
TexDesc.Init();
TexDesc.Width = width;
TexDesc.Height = height;
TexDesc.Format = refRTVDesc.Format;
TexDesc.BindFlags = (UInt32)(EBindFlags.BF_RENDER_TARGET);
var Tex2D = RHICtx.CreateTexture2D(TexDesc);
mTex2dArray.Add(Tex2D);
refRTVDesc.mTexture2D = Tex2D.CoreObject;
var RTV = RHICtx.CreateRenderTargetView(refRTVDesc);
mRTVArray.Add(RTV);
mFrameBuffer.BindRenderTargetView((UInt32)idx, RTV);
}
}
}
mViewInfo.mDSVDesc.Width = width;
mViewInfo.mDSVDesc.Height = height;
if (mViewInfo.UseDepthStencilView == true)
{
if (mViewInfo.mDSVDesc.mCanBeSampled == true)
{
CTexture2DDesc Tex2dDesc = new CTexture2DDesc();
Tex2dDesc.Init();
Tex2dDesc.Width = width;
Tex2dDesc.Height = height;
Tex2dDesc.Format = mViewInfo.mDSVDesc.Format;
Tex2dDesc.BindFlags = (UInt32)(EBindFlags.BF_SHADER_RES | EBindFlags.BF_DEPTH_STENCIL);
var Tex2d = RHICtx.CreateTexture2D(Tex2dDesc);
mTex2dArray.Add(Tex2d);
CShaderResourceViewDesc SRVDesc = new CShaderResourceViewDesc();
SRVDesc.Init();
SRVDesc.mTexture2D = Tex2d.CoreObject;
var SRV = RHICtx.CreateShaderResourceView(SRVDesc);
mSRVArray.Add(SRV);
mFrameBuffer.BindSRV_DS(SRV);
mViewInfo.mDSVDesc.mTexture2D = Tex2d.CoreObject;
mDepthStencilView = RHICtx.CreateDepthStencilView(mViewInfo.mDSVDesc);
mFrameBuffer.BindDepthStencilView(mDepthStencilView);
}
else
{
CTexture2DDesc Tex2dDesc = new CTexture2DDesc();
Tex2dDesc.Init();
Tex2dDesc.Width = width;
Tex2dDesc.Height = height;
Tex2dDesc.Format = mViewInfo.mDSVDesc.Format;
Tex2dDesc.BindFlags = (UInt32)(EBindFlags.BF_SHADER_RES | EBindFlags.BF_DEPTH_STENCIL);
var Tex2d = RHICtx.CreateTexture2D(Tex2dDesc);
mTex2dArray.Add(Tex2d);
mViewInfo.mDSVDesc.mTexture2D = Tex2d.CoreObject;
mDepthStencilView = RHICtx.CreateDepthStencilView(mViewInfo.mDSVDesc);
mFrameBuffer.BindDepthStencilView(mDepthStencilView);
}
}
else
{
mDepthStencilView = null;
}
return(true);
}
