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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA 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"
#include "GSPerfMon.h"
__aligned(class, 32) GSRasterizerData : public GSAlignedClass<32>
{
static int s_counter;
public:
GSVector4i scissor;
GSVector4i bbox;
GS_PRIM_CLASS primclass;
uint8* buff;
GSVertexSW* vertex;
int vertex_count;
uint32* index;
int index_count;
uint64 frame;
uint64 start;
int pixels;
int counter;
GSRasterizerData()
: scissor(GSVector4i::zero())
, bbox(GSVector4i::zero())
, primclass(GS_INVALID_CLASS)
, buff(NULL)
, vertex(NULL)
, vertex_count(0)
, index(NULL)
, index_count(0)
, frame(0)
, start(0)
, pixels(0)
{
counter = s_counter++;
}
virtual ~GSRasterizerData()
{
if(buff != NULL) _aligned_free(buff);
}
};
class IDrawScanline : public GSAlignedClass<32>
{
public:
typedef void (*SetupPrimPtr)(const GSVertexSW* vertex, const uint32* index, 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 GSRasterizerData* data) = 0;
virtual void EndDraw(uint64 frame, uint64 ticks, int pixels) = 0;
#ifdef ENABLE_JIT_RASTERIZER
__forceinline void SetupPrim(const GSVertexSW* vertex, const uint32* index, const GSVertexSW& dscan) {m_sp(vertex, index, dscan);}
__forceinline void DrawScanline(int pixels, int left, int top, const GSVertexSW& scan) {m_ds(pixels, left, top, scan);}
__forceinline void DrawEdge(int pixels, int left, int top, const GSVertexSW& scan) {m_de(pixels, left, top, scan);}
__forceinline void DrawRect(const GSVector4i& r, const GSVertexSW& v) {(this->*m_dr)(r, v);}
#else
virtual void SetupPrim(const GSVertexSW* vertex, const uint32* index, const GSVertexSW& dscan) = 0;
virtual void DrawScanline(int pixels, int left, int top, const GSVertexSW& scan) = 0;
virtual void DrawEdge(int pixels, int left, int top, const GSVertexSW& scan) = 0;
virtual void DrawRect(const GSVector4i& r, const GSVertexSW& v) = 0;
#endif
__forceinline bool HasEdge() const {return m_de != NULL;}
__forceinline bool IsSolidRect() const {return m_dr != NULL;}
};
class IRasterizer : public GSAlignedClass<32>
{
public:
virtual ~IRasterizer() {}
virtual void Queue(shared_ptr<GSRasterizerData> data) = 0;
virtual void Sync() = 0;
virtual bool IsSynced() const = 0;
virtual int GetPixels(bool reset = true) = 0;
};
__aligned(class, 32) GSRasterizer : public IRasterizer
{
protected:
GSPerfMon* m_perfmon;
IDrawScanline* m_ds;
int m_id;
int m_threads;
uint8* m_scanline;
GSVector4i m_scissor;
GSVector4 m_fscissor_x;
GSVector4 m_fscissor_y;
struct {GSVertexSW* buff; int count;} m_edge;
int m_pixels;
typedef void (GSRasterizer::*DrawPrimPtr)(const GSVertexSW* v, int count);
template<bool scissor_test>
void DrawPoint(const GSVertexSW* vertex, int vertex_count, const uint32* index, int index_count);
void DrawLine(const GSVertexSW* vertex, const uint32* index);
void DrawTriangle(const GSVertexSW* vertex, const uint32* index);
void DrawSprite(const GSVertexSW* vertex, const uint32* index);
__forceinline void DrawTriangleSection(int top, int bottom, GSVertexSW& edge, const GSVertexSW& dedge, const GSVertexSW& dscan, const GSVector4& p0);
void DrawEdge(const GSVertexSW& v0, const GSVertexSW& v1, const GSVertexSW& dv, int orientation, int side);
__forceinline void AddScanline(GSVertexSW* e, int pixels, int left, int top, const GSVertexSW& scan);
__forceinline void Flush(const GSVertexSW* vertex, const uint32* index, const GSVertexSW& dscan, bool edge = false);
public:
GSRasterizer(IDrawScanline* ds, int id, int threads, GSPerfMon* perfmon);
virtual ~GSRasterizer();
__forceinline bool IsOneOfMyScanlines(int top) const;
__forceinline bool IsOneOfMyScanlines(int top, int bottom) const;
__forceinline int FindMyNextScanline(int top) const;
void Draw(GSRasterizerData* data);
// IRasterizer
void Queue(shared_ptr<GSRasterizerData> data);
void Sync() {}
bool IsSynced() const {return true;}
int GetPixels(bool reset);
};
class GSRasterizerList
: public IRasterizer
{
protected:
class GSWorker : public GSJobQueue<shared_ptr<GSRasterizerData> >
{
GSRasterizer* m_r;
public:
GSWorker(GSRasterizer* r);
virtual ~GSWorker();
int GetPixels(bool reset);
// GSJobQueue
void Process(shared_ptr<GSRasterizerData>& item);
};
GSPerfMon* m_perfmon;
vector<GSWorker*> m_workers;
uint8* m_scanline;
GSRasterizerList(int threads, GSPerfMon* perfmon);
public:
virtual ~GSRasterizerList();
template<class DS> static IRasterizer* Create(int threads, GSPerfMon* perfmon)
{
threads = std::max<int>(threads, 0);
if(threads == 0)
{
return new GSRasterizer(new DS(), 0, 1, perfmon);
}
else
{
GSRasterizerList* rl = new GSRasterizerList(threads, perfmon);
for(int i = 0; i < threads; i++)
{
rl->m_workers.push_back(new GSWorker(new GSRasterizer(new DS(), i, threads, perfmon)));
}
return rl;
}
}
// IRasterizer
void Queue(shared_ptr<GSRasterizerData> data);
void Sync();
bool IsSynced() const;
int GetPixels(bool reset);
};