Direct3D11 GFX device.

Engine/source/gfx/D3D11/gfxD3D11StateBlock.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 _GFXD3D11STATEBLOCK_H_
+#define _GFXD3D11STATEBLOCK_H_
+
+#include "gfx/D3D11/gfxD3D11Device.h"
+#include "gfx/gfxStateBlock.h"
+
+class GFXD3D11StateBlock : public GFXStateBlock
+{   
+public:
+
+   GFXD3D11StateBlock(const GFXStateBlockDesc& desc);
+   virtual ~GFXD3D11StateBlock();
+
+   /// Called by D3D11 device to active this state block.
+   /// @param oldState  The current state, used to make sure we don't set redundant states on the device.  Pass NULL to reset all states.
+   void activate(GFXD3D11StateBlock* oldState);
+
+   // 
+   // GFXStateBlock interface
+   //
+
+   /// Returns the hash value of the desc that created this block
+   virtual U32 getHashValue() const;
+
+   /// Returns a GFXStateBlockDesc that this block represents
+   virtual const GFXStateBlockDesc& getDesc() const;
+
+   //
+   // GFXResource
+   //
+   virtual void zombify() { }
+   /// When called the resource should restore all device sensitive information destroyed by zombify()
+   virtual void resurrect() { }
+private:
+
+   D3D11_BLEND_DESC mBlendDesc;
+   D3D11_RASTERIZER_DESC mRasterizerDesc;
+   D3D11_DEPTH_STENCIL_DESC mDepthStencilDesc; 
+   D3D11_SAMPLER_DESC mSamplerDesc[TEXTURE_STAGE_COUNT];
+
+   ID3D11BlendState* mBlendState;
+   ID3D11DepthStencilState* mDepthStencilState;
+   ID3D11RasterizerState* mRasterizerState;
+   ID3D11SamplerState* mSamplerStates[TEXTURE_STAGE_COUNT];
+
+   GFXStateBlockDesc mDesc;
+   U32 mCachedHashValue;
+   // Cached D3D specific things, these are "calculated" from GFXStateBlock
+   U32 mColorMask; 
+};
+
+typedef StrongRefPtr<GFXD3D11StateBlock> GFXD3D11StateBlockRef;
+
+#endif