73 lines
1.9 KiB
C++
73 lines
1.9 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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#include "D3DUtil.h"
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namespace DX11
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{
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namespace D3D
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{
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typedef SharedPtr<ID3D11BlendState> AutoBlendState;
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typedef SharedPtr<ID3D11DepthStencilState> AutoDepthStencilState;
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typedef SharedPtr<ID3D11RasterizerState> AutoRasterizerState;
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class StateManager
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{
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public:
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// call any of these to change the affected states
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void PushBlendState(const AutoBlendState& state)
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{
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blendstates.push(state);
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}
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void PushDepthState(ID3D11DepthStencilState* state)
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{
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state->AddRef();
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depthstates.push(AutoDepthStencilState::FromPtr(state));
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}
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void PushRasterizerState(ID3D11RasterizerState* state)
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{
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state->AddRef();
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raststates.push(AutoRasterizerState::FromPtr(state));
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}
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// call these after drawing
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void PopBlendState() { blendstates.pop(); }
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void PopDepthState() { depthstates.pop(); }
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void PopRasterizerState() { raststates.pop(); }
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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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};
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extern std::unique_ptr<StateManager> stateman;
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} // namespace
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} // namespace DX11
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