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https://github.com/TorqueGameEngines/Torque3D.git
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105 lines
3.2 KiB
C++
105 lines
3.2 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#ifndef _GFXFENCE_H_
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#define _GFXFENCE_H_
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#ifndef _GFXDEVICE_H_
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#include "gfx/gfxDevice.h"
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#endif
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///
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class GFXFence : public GFXResource
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{
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protected:
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GFXDevice *mDevice;
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public:
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/// The states returned by getStatus()
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enum FenceStatus
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{
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Unset, ///< The fence has not been set
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Pending, ///< The fence has been set and has not been hit
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Processed, ///< The fence has been processed
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Unsupported ///< A non-blocking query of fence status is not supported by the implementation
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};
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public:
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GFXFence( GFXDevice *device ) : mDevice( device ) {};
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virtual ~GFXFence(){};
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/// This method inserts the fence into the command buffer
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virtual void issue() = 0;
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// CodeReview: Do we need a remove() [5/10/2007 Pat]
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/// This is a non-blocking call to get the status of the fence
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/// @see GFXFence::FenceStatus
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virtual FenceStatus getStatus() const = 0;
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/// This method will not return until the fence has been processed by the GPU
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virtual void block() = 0;
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};
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///
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class GFXGeneralFence : public GFXFence
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{
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protected:
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bool mInitialized;
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GFXTextureTargetRef mRenderTarget;
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GFXTexHandle mRTTexHandle;
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GFXStateBlockRef mRenderSB;
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void _init();
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/// The callback used to get texture events.
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/// @see GFXTextureManager::addEventDelegate
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void _onTextureEvent( GFXTexCallbackCode code );
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public:
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GFXGeneralFence( GFXDevice *device )
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: GFXFence( device ),
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mInitialized( false )
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{
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}
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virtual ~GFXGeneralFence();
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void issue() override;
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FenceStatus getStatus() const override { return GFXFence::Unsupported; };
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void block() override;
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// GFXResource interface
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void zombify() override;
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void resurrect() override;
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/// The resource should put a description of itself (number of vertices, size/width of texture, etc.) in buffer
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const String describeSelf() const override;
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};
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#endif // _GFXFENCE_H_
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