dolphin/Source/Plugins/Plugin_VideoDX11/Src/GfxState.h

73 lines
1.9 KiB
C++

// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#pragma once
#include <stack>
#include "D3DUtil.h"
namespace DX11
{
namespace D3D
{
typedef SharedPtr<ID3D11BlendState> AutoBlendState;
typedef SharedPtr<ID3D11DepthStencilState> AutoDepthStencilState;
typedef SharedPtr<ID3D11RasterizerState> AutoRasterizerState;
class StateManager
{
public:
// call any of these to change the affected states
void PushBlendState(const AutoBlendState& state)
{
blendstates.push(state);
}
void PushDepthState(ID3D11DepthStencilState* state)
{
state->AddRef();
depthstates.push(AutoDepthStencilState::FromPtr(state));
}
void PushRasterizerState(ID3D11RasterizerState* state)
{
state->AddRef();
raststates.push(AutoRasterizerState::FromPtr(state));
}
// call these after drawing
void PopBlendState() { blendstates.pop(); }
void PopDepthState() { depthstates.pop(); }
void PopRasterizerState() { raststates.pop(); }
// call this before any drawing operation if states could have changed meanwhile
void Apply();
private:
std::stack<AutoBlendState> blendstates;
std::stack<AutoDepthStencilState> depthstates;
std::stack<AutoRasterizerState> raststates;
};
extern std::unique_ptr<StateManager> stateman;
} // namespace
} // namespace DX11