76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
// Copyright (C) 2003 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#pragma once
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#include <stack>
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struct ID3D11BlendState;
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struct ID3D11DepthStencilState;
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struct ID3D11RasterizerState;
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namespace D3D
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{
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template<typename T> class AutoState
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{
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public:
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AutoState(const T* object);
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AutoState(const AutoState<T> &source);
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~AutoState();
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const inline T* GetPtr() const { return state; }
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private:
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const T* state;
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};
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typedef AutoState<ID3D11BlendState> AutoBlendState;
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typedef AutoState<ID3D11DepthStencilState> AutoDepthStencilState;
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typedef AutoState<ID3D11RasterizerState> AutoRasterizerState;
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class StateManager
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{
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public:
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StateManager();
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// call any of these to change the affected states
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void PushBlendState(const ID3D11BlendState* state);
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void PushDepthState(const ID3D11DepthStencilState* state);
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void PushRasterizerState(const ID3D11RasterizerState* state);
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// call these after drawing
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void PopBlendState();
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void PopDepthState();
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void PopRasterizerState();
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// call this before any drawing operation if states could have changed meanwhile
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void Apply();
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private:
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std::stack<AutoBlendState> blendstates;
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std::stack<AutoDepthStencilState> depthstates;
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std::stack<AutoRasterizerState> raststates;
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ID3D11BlendState* cur_blendstate;
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ID3D11DepthStencilState* cur_depthstate;
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ID3D11RasterizerState* cur_raststate;
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};
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extern StateManager* stateman;
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} // namespace
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