GSDeviceSW.h

/*
 *	Copyright (C) 2007-2009 Gabest
 *	http://www.gabest.org
 *
 *  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; either version 2, or (at your option)
 *  any later version.
 *
 *  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 for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with GNU Make; see the file COPYING.  If not, write to
 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA USA.
 *  http://www.gnu.org/copyleft/gpl.html
 *
 */

#pragma once

#include "GSDevice.h"
#include "GSTextureSW.h"

class GSDeviceSW : public GSDevice
{
	GSTexture* CreateSurface(int type, int w, int h, bool msaa, int format);

	void DoMerge(GSTexture* sTex[2], GSVector4* sRect, GSTexture* dTex, GSVector4* dRect, bool slbg, bool mmod, const GSVector4& c);
	void DoInterlace(GSTexture* sTex, GSTexture* dTex, int shader, bool linear, float yoffset = 0);

	void Clear(GSTexture* t, uint32 c);

public:
	GSDeviceSW();

	bool Create(GSWnd* wnd);
	bool Reset(int w, int h);

	// drawing may be routed through here, the software renderers use the rasterizer directly now

	void BeginScene();
	void DrawPrimitive();
	void EndScene();

	void ClearRenderTarget(GSTexture* t, const GSVector4& c);
	void ClearRenderTarget(GSTexture* t, uint32 c);
	void ClearDepth(GSTexture* t, float c);
	void ClearStencil(GSTexture* t, uint8 c);

	GSTexture* CopyOffscreen(GSTexture* src, const GSVector4& sRect, int w, int h, int format = 0, int ps_shader = 0);

	void CopyRect(GSTexture* sTex, GSTexture* dTex, const GSVector4i& r);
	void StretchRect(GSTexture* sTex, const GSVector4& sRect, GSTexture* dTex, const GSVector4& dRect, int shader = 0, bool linear = true);

	void PSSetShaderResources(GSTexture* sr0, GSTexture* sr1);
	void PSSetShaderResource(int i, GSTexture* sRect);
	void OMSetRenderTargets(GSTexture* rt, GSTexture* ds, const GSVector4i* scissor = NULL);
};