[pcsx_rearmed.git] / plugins / gpu_unai / gpu_raster_sprite.h

/***************************************************************************
*   Copyright (C) 2010 PCSX4ALL Team                                      *
*   Copyright (C) 2010 Unai                                               *
*                                                                         *
*   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 of the License, 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 this program; if not, write to the                         *
*   Free Software Foundation, Inc.,                                       *
*   51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA.           *
***************************************************************************/

///////////////////////////////////////////////////////////////////////////////
//  GPU internal sprite drawing functions

///////////////////////////////////////////////////////////////////////////////
void gpuDrawS(const PS gpuSpriteSpanDriver)
{
	s32 x0, x1;
	s32 y0, y1;
	s32 u0;
	s32 v0;

	x1 = x0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[2]) + DrawingOffset[0];
	y1 = y0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[3]) + DrawingOffset[1];
	x1+= PacketBuffer.S2[6];
	y1+= PacketBuffer.S2[7];

	{
		s32 xmin, xmax;
		s32 ymin, ymax;
		xmin = DrawingArea[0];	xmax = DrawingArea[2];
		ymin = DrawingArea[1];	ymax = DrawingArea[3];

		{
			int rx0 = Max2(xmin,Min2(x0,x1));
			int ry0 = Max2(ymin,Min2(y0,y1));
			int rx1 = Min2(xmax,Max2(x0,x1));
			int ry1 = Min2(ymax,Max2(y0,y1));
			if( rx0>=rx1 || ry0>=ry1) return;
		}

		u0 = PacketBuffer.U1[8];
		v0 = PacketBuffer.U1[9];

		r4 = s32(PacketBuffer.U1[0]);
		g4 = s32(PacketBuffer.U1[1]);
		b4 = s32(PacketBuffer.U1[2]);

		{
			s32 temp;
			temp = ymin - y0;
			if (temp > 0) { y0 = ymin; v0 += temp; }
			if (y1 > ymax) y1 = ymax;
			if (y1 <= y0) return;
			
			temp = xmin - x0;
			if (temp > 0) { x0 = xmin; u0 += temp; }
			if (x1 > xmax) x1 = xmax;
			x1 -= x0;
			if (x1 <= 0) return;
		}
	}

	{
		u16 *Pixel = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, y0)];
		const int li=linesInterlace;
		const u32 masku=TextureWindow[2];
		const u32 maskv=TextureWindow[3];

		for (;y0<y1;++y0) {
			if( 0 == (y0&li) ) gpuSpriteSpanDriver(Pixel,x1,FRAME_OFFSET(u0,v0),masku);
			Pixel += FRAME_WIDTH;
			v0 = (v0+1)&maskv;
		}
	}
}

///////////////////////////////////////////////////////////////////////////////
void gpuDrawT(const PT gpuTileSpanDriver)
{
	s32 x0, y0;
	s32 x1, y1;

	x1 = x0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[2]) + DrawingOffset[0];
	y1 = y0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[3]) + DrawingOffset[1];
	x1+= PacketBuffer.S2[4];
	y1+= PacketBuffer.S2[5];

	{
		s32 xmin, xmax;
		s32 ymin, ymax;
		xmin = DrawingArea[0];	xmax = DrawingArea[2];
		ymin = DrawingArea[1];	ymax = DrawingArea[3];

		{
			int rx0 = Max2(xmin,Min2(x0,x1));
			int ry0 = Max2(ymin,Min2(y0,y1));
			int rx1 = Min2(xmax,Max2(x0,x1));
			int ry1 = Min2(ymax,Max2(y0,y1));
			if(rx0>=rx1 || ry0>=ry1) return;
		}

		if (y0 < ymin) y0 = ymin;
		if (y1 > ymax) y1 = ymax;
		if (y1 <= y0) return;

		if (x0 < xmin) x0 = xmin;
		if (x1 > xmax) x1 = xmax;
		x1 -= x0;
		if (x1 <= 0) return;
	}
	
	{
		u16 *Pixel = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, y0)];
		const u16 Data = GPU_RGB16(PacketBuffer.U4[0]);
		const int li=linesInterlace;

		for (; y0<y1; ++y0)
		{
			if( 0 == (y0&li) ) gpuTileSpanDriver(Pixel,x1,Data);
			Pixel += FRAME_WIDTH;
		}
	}
}
Commit	Line	Data
86aad47b	1	/***************************************************************************
	2	* Copyright (C) 2010 PCSX4ALL Team *
	3	* Copyright (C) 2010 Unai *
	4	* *
	5	* This program is free software; you can redistribute it and/or modify *
	6	* it under the terms of the GNU General Public License as published by *
	7	* the Free Software Foundation; either version 2 of the License, or *
	8	* (at your option) any later version. *
	9	* *
	10	* This program is distributed in the hope that it will be useful, *
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
	13	* GNU General Public License for more details. *
	14	* *
	15	* You should have received a copy of the GNU General Public License *
	16	* along with this program; if not, write to the *
	17	* Free Software Foundation, Inc., *
	18	* 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. *
	19	***************************************************************************/
	20
	21	///////////////////////////////////////////////////////////////////////////////
	22	// GPU internal sprite drawing functions
	23
	24	///////////////////////////////////////////////////////////////////////////////
	25	void gpuDrawS(const PS gpuSpriteSpanDriver)
	26	{
	27	s32 x0, x1;
	28	s32 y0, y1;
	29	s32 u0;
	30	s32 v0;
	31
	32	x1 = x0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[2]) + DrawingOffset[0];
	33	y1 = y0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[3]) + DrawingOffset[1];
	34	x1+= PacketBuffer.S2[6];
	35	y1+= PacketBuffer.S2[7];
	36
	37	{
	38	s32 xmin, xmax;
	39	s32 ymin, ymax;
	40	xmin = DrawingArea[0]; xmax = DrawingArea[2];
	41	ymin = DrawingArea[1]; ymax = DrawingArea[3];
	42
	43	{
	44	int rx0 = Max2(xmin,Min2(x0,x1));
	45	int ry0 = Max2(ymin,Min2(y0,y1));
	46	int rx1 = Min2(xmax,Max2(x0,x1));
	47	int ry1 = Min2(ymax,Max2(y0,y1));
	48	if( rx0>=rx1 \|\| ry0>=ry1) return;
	49	}
	50
	51	u0 = PacketBuffer.U1[8];
	52	v0 = PacketBuffer.U1[9];
	53
	54	r4 = s32(PacketBuffer.U1[0]);
	55	g4 = s32(PacketBuffer.U1[1]);
	56	b4 = s32(PacketBuffer.U1[2]);
	57
	58	{
	59	s32 temp;
	60	temp = ymin - y0;
	61	if (temp > 0) { y0 = ymin; v0 += temp; }
	62	if (y1 > ymax) y1 = ymax;
	63	if (y1 <= y0) return;
	64
65	temp = xmin - x0;
66	if (temp > 0) { x0 = xmin; u0 += temp; }
67	if (x1 > xmax) x1 = xmax;
68	x1 -= x0;
69	if (x1 <= 0) return;
70	}
71	}
72
73	{
74	u16 Pixel = &((u16)GPU_FrameBuffer)[FRAME_OFFSET(x0, y0)];
75	const int li=linesInterlace;
76	const u32 masku=TextureWindow[2];
77	const u32 maskv=TextureWindow[3];
78
79	for (;y0<y1;++y0) {
80	if( 0 == (y0&li) ) gpuSpriteSpanDriver(Pixel,x1,FRAME_OFFSET(u0,v0),masku);
81	Pixel += FRAME_WIDTH;
82	v0 = (v0+1)&maskv;
83	}
84	}
85	}
86
87	///////////////////////////////////////////////////////////////////////////////
88	void gpuDrawT(const PT gpuTileSpanDriver)
89	{
90	s32 x0, y0;
91	s32 x1, y1;
92
93	x1 = x0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[2]) + DrawingOffset[0];
94	y1 = y0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[3]) + DrawingOffset[1];
95	x1+= PacketBuffer.S2[4];
96	y1+= PacketBuffer.S2[5];
97
98	{
99	s32 xmin, xmax;
100	s32 ymin, ymax;
101	xmin = DrawingArea[0]; xmax = DrawingArea[2];
102	ymin = DrawingArea[1]; ymax = DrawingArea[3];
103
104	{
105	int rx0 = Max2(xmin,Min2(x0,x1));
106	int ry0 = Max2(ymin,Min2(y0,y1));
107	int rx1 = Min2(xmax,Max2(x0,x1));
108	int ry1 = Min2(ymax,Max2(y0,y1));
109	if(rx0>=rx1 \|\| ry0>=ry1) return;
110	}
111
112	if (y0 < ymin) y0 = ymin;
113	if (y1 > ymax) y1 = ymax;
114	if (y1 <= y0) return;
115
116	if (x0 < xmin) x0 = xmin;
117	if (x1 > xmax) x1 = xmax;
118	x1 -= x0;
119	if (x1 <= 0) return;
120	}
121
122	{
123	u16 Pixel = &((u16)GPU_FrameBuffer)[FRAME_OFFSET(x0, y0)];
124	const u16 Data = GPU_RGB16(PacketBuffer.U4[0]);
125	const int li=linesInterlace;
126
127	for (; y0<y1; ++y0)
128	{
129	if( 0 == (y0&li) ) gpuTileSpanDriver(Pixel,x1,Data);
130	Pixel += FRAME_WIDTH;
131	}
132	}
133	}