Direct3D11 GFX device.

Engine/source/gfx/D3D11/gfxD3D11Target.h

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+//-----------------------------------------------------------------------------
+// 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.
+//-----------------------------------------------------------------------------
+
+#ifndef _GFX_D3D_GFXD3D11TARGET_H_
+#define _GFX_D3D_GFXD3D11TARGET_H_
+
+#include "gfx/D3D11/gfxD3D11Device.h"
+#include "gfx/D3D11/gfxD3D11TextureObject.h"
+#include "gfx/gfxTarget.h"
+#include "math/mPoint3.h"
+#include "math/mPoint2.h"
+
+class GFXD3D11TextureTarget : public GFXTextureTarget
+{
+   friend class GFXD3D11Device;
+
+   // Array of target surfaces, this is given to us by attachTexture
+   ID3D11Texture2D* mTargets[MaxRenderSlotId];
+
+   // Array of shader resource views
+   ID3D11ShaderResourceView* mTargetSRViews[MaxRenderSlotId];
+   
+   //ID3D11DepthStencilView* mDepthTargetView;
+   ID3D11View* mTargetViews[MaxRenderSlotId];
+   // Array of texture objects which correspond to the target surfaces above,
+   // needed for copy from RenderTarget to texture situations.  Current only valid in those situations
+   GFXD3D11TextureObject* mResolveTargets[MaxRenderSlotId];
+
+   Point2I mTargetSize;
+
+   GFXFormat mTargetFormat;
+
+public:
+
+   GFXD3D11TextureTarget();
+   ~GFXD3D11TextureTarget();
+
+   // Public interface.
+   virtual const Point2I getSize() { return mTargetSize; }
+   virtual GFXFormat getFormat() { return mTargetFormat; }
+   virtual void attachTexture(RenderSlot slot, GFXTextureObject *tex, U32 mipLevel=0, U32 zOffset = 0);
+   virtual void attachTexture(RenderSlot slot, GFXCubemap *tex, U32 face, U32 mipLevel=0);
+   virtual void resolve();
+
+   /// Note we always copy the Color0 RenderSlot.
+   virtual void resolveTo( GFXTextureObject *tex );
+
+   virtual void activate();
+   virtual void deactivate();
+
+   void zombify();
+   void resurrect();
+};
+
+class GFXD3D11WindowTarget : public GFXWindowTarget
+{
+   friend class GFXD3D11Device;
+
+   /// Our backbuffer
+   ID3D11Texture2D *mBackbuffer;
+
+   /// Maximum size we can render to.
+   Point2I mSize;
+
+   /// D3D presentation info.
+   DXGI_SWAP_CHAIN_DESC mPresentationParams;
+
+   /// Internal interface that notifies us we need to reset our video mode.
+   void resetMode();
+
+public:
+
+   GFXD3D11WindowTarget();
+   ~GFXD3D11WindowTarget();
+ 
+   virtual const Point2I getSize();
+   virtual GFXFormat getFormat();
+   virtual bool present();
+
+   void initPresentationParams();
+   void setImplicitSwapChain();
+
+   virtual void activate();   
+
+   void zombify();
+   void resurrect();
+
+   virtual void resolveTo( GFXTextureObject *tex );
+};
+
+#endif