pcsx2/plugins/GSdx/GSRasterizer.h

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/*
* 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, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#pragma once
#include "GS.h"
#include "GSVertexSW.h"
#include "GSFunctionMap.h"
#include "GSThread.h"
#include "GSAlignedClass.h"
__aligned(class, 32) GSRasterizerData
{
public:
GSVector4i scissor;
GS_PRIM_CLASS primclass;
const GSVertexSW* vertices;
int count;
uint64 frame;
const void* param;
};
class IDrawScanline : public GSAlignedClass<32>
{
public:
typedef void (__fastcall *SetupPrimPtr)(const GSVertexSW* vertices, const GSVertexSW& dscan);
typedef void (__fastcall *DrawScanlinePtr)(int pixels, int left, int top, const GSVertexSW& scan);
typedef void (IDrawScanline::*DrawRectPtr)(const GSVector4i& r, const GSVertexSW& v); // TODO: jit
protected:
SetupPrimPtr m_sp;
DrawScanlinePtr m_ds;
DrawScanlinePtr m_de;
DrawRectPtr m_dr;
public:
IDrawScanline() : m_sp(NULL), m_ds(NULL), m_de(NULL), m_dr(NULL) {}
virtual ~IDrawScanline() {}
virtual void BeginDraw(const void* param) = 0;
virtual void EndDraw(const GSRasterizerStats& stats, uint64 frame) = 0;
virtual void PrintStats() = 0;
__forceinline void SetupPrim(const GSVertexSW* vertices, const GSVertexSW& dscan) {m_sp(vertices, dscan);}
__forceinline void DrawScanline(int right, int left, int top, const GSVertexSW& scan) {m_ds(right, left, top, scan);}
__forceinline void DrawEdge(int right, int left, int top, const GSVertexSW& scan) {m_de(right, left, top, scan);}
__forceinline void DrawRect(const GSVector4i& r, const GSVertexSW& v) {(this->*m_dr)(r, v);}
__forceinline bool IsEdge() const {return m_de != NULL;}
__forceinline bool IsRect() const {return m_dr != NULL;}
};
class IRasterizer
{
public:
virtual ~IRasterizer() {}
virtual void Draw(const GSRasterizerData* data) = 0;
virtual void GetStats(GSRasterizerStats& stats) = 0;
virtual void PrintStats() = 0;
virtual void SetThreadId(int id, int threads) = 0;
};
__aligned(class, 32) GSRasterizer : public GSAlignedClass<32>, public IRasterizer
{
protected:
IDrawScanline* m_ds;
int m_id;
int m_threads;
GSRasterizerStats m_stats;
GSVector4i m_scissor;
GSVector4 m_fscissor;
struct {GSVertexSW* buff; int count;} m_edge;
void DrawPoint(const GSVertexSW* v);
void DrawLine(const GSVertexSW* v);
void DrawTriangle(const GSVertexSW* v);
void DrawSprite(const GSVertexSW* v);
void DrawEdge(const GSVertexSW* v);
__forceinline void DrawTriangleSection(int top, int bottom, GSVertexSW& l, const GSVertexSW& dl, const GSVertexSW& dscan);
void DrawEdge(const GSVertexSW& v0, const GSVertexSW& v1, const GSVertexSW& dv, int orientation, int side);
__forceinline bool IsOneOfMyScanlines(int scanline) const;
__forceinline void Flush(const GSVertexSW* vertices, const GSVertexSW& dscan, bool edge = false);
public:
GSRasterizer(IDrawScanline* ds);
virtual ~GSRasterizer();
// IRasterizer
void Draw(const GSRasterizerData* data);
void GetStats(GSRasterizerStats& stats);
void PrintStats() {m_ds->PrintStats();}
void SetThreadId(int id, int threads) {m_id = id; m_threads = threads;}
};
class GSRasterizerMT : public GSRasterizer, private GSThread
{
protected:
volatile long& m_sync;
GSAutoResetEvent m_draw;
const GSRasterizerData* m_data;
void ThreadProc();
public:
GSRasterizerMT(IDrawScanline* ds, volatile long& sync);
virtual ~GSRasterizerMT();
// IRasterizer
void Draw(const GSRasterizerData* data);
};
class GSRasterizerList : protected vector<IRasterizer*>
{
protected:
volatile long m_sync;
GSRasterizerStats m_stats;
int64 m_start;
int m_threads;
public:
GSRasterizerList();
virtual ~GSRasterizerList();
template<class DS> void Create(int threads)
{
threads = std::max<int>(threads, 1); // TODO: min(threads, number of cpu cores)
push_back(new GSRasterizer(new DS()));
for(int i = 1; i < threads; i++)
{
push_back(new GSRasterizerMT(new DS(), m_sync));
}
}
void Sync();
void Draw(const GSRasterizerData* data, int width, int height);
void GetStats(GSRasterizerStats& stats);
void PrintStats();
};