[pcsx_rearmed.git] / plugins / gpu_unai / gpu_raster_line.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.           *
***************************************************************************/

#define	GPU_TESTRANGE(x)      { if((u32)(x+1024) > 2047) return; }

///////////////////////////////////////////////////////////////////////////////
//  GPU internal line drawing functions

#define GPU_DIGITS  16
#define GPU_DIGITSC (GPU_DIGITS+3)

INLINE long GPU_DIV(long rs, long rt)
{
	return rt ? (rs / rt) : (0);
}

///////////////////////////////////////////////////////////////////////////////
void gpuDrawLF(const PD gpuPixelDriver)
{
	s32 temp;
	s32 xmin, xmax;
	s32 ymin, ymax;
	s32 x0, x1, dx;
	s32 y0, y1, dy;

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

	xmin = DrawingArea[0];	xmax = DrawingArea[2];
	ymin = DrawingArea[1];	ymax = DrawingArea[3];
	const u16 pixeldata = GPU_RGB16(PacketBuffer.U4[0]);

	dy = (y1 - y0);
	if (dy < 0) dy = -dy;
	dx = (x1 - x0);
	if (dx < 0) dx = -dx;
	if (dx > dy) {
		if (x0 > x1) {
			GPU_SWAP(x0, x1, temp);
			GPU_SWAP(y0, y1, temp);
		}
		y1 = GPU_DIV((y1 - y0) << GPU_DIGITS, dx);
		y0 <<= GPU_DIGITS;
		temp = xmin - x0;
		if (temp > 0) {
			x0 = xmin;
			y0 += (y1 * temp);
		}
		if (x1 > xmax) x1 = xmax;
		x1 -= x0;
		if (x1 < 0) x1 = 0;

		const int li=linesInterlace;
		for (; x1; x1--) {
			temp = y0 >> GPU_DIGITS;
			if( 0 == (temp&li) )  {
				if ((u32) (temp - ymin) < (u32) (ymax - ymin)) {
					gpuPixelDriver(&((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, temp)],pixeldata);
				}
			}
			x0++;
			y0 += y1;
		}
	} else if (dy) {
		if (y0 > y1) {
			GPU_SWAP(x0, x1, temp);
			GPU_SWAP(y0, y1, temp);
		}
		x1 = GPU_DIV((x1 - x0) << GPU_DIGITS, dy);
		x0 <<= GPU_DIGITS;
		temp = ymin - y0;
		if (temp > 0) {
			y0 = ymin;
			x0 += (x1 * temp);
		}
		if (y1 > ymax) y1 = ymax;
		y1 -= y0;
		if (y1 < 0) y1 = 0;
		
		const int li=linesInterlace;
		for (; y1; y1--) {
			if( 0 == (y0&li) )  {
				temp = x0 >> GPU_DIGITS;
				if ((u32) (temp - xmin) < (u32) (xmax - xmin)) {
					gpuPixelDriver(&((u16*)GPU_FrameBuffer)[FRAME_OFFSET(temp, y0)],pixeldata);
				}
			}
			y0++;
			x0 += x1;
		}
		
	} else {
		if( 0 == (y0&linesInterlace) )  {
			if ((u32) (x0 - xmin) < (u32) (xmax - xmin)) {
				if ((u32) (y0 - ymin) < (u32) (ymax - ymin)) {
					gpuPixelDriver(&((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, y0)],pixeldata);
				}
			}
		}
	}
}

/*----------------------------------------------------------------------
GF
----------------------------------------------------------------------*/

///////////////////////////////////////////////////////////////////////////////
void gpuDrawLG(const PD gpuPixelDriver)
{
	s32 temp;
	s32 xmin, xmax;
	s32 ymin, ymax;
	s32 x0, x1, dx;
	s32 y0, y1, dy;
	s32 r0, r1;
	s32 g0, g1;
	s32 b0, b1;

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

	r0 = PacketBuffer.U1[0];  g0 = PacketBuffer.U1[1];  b0 = PacketBuffer.U1[2];
	r1 = PacketBuffer.U1[8];  g1 = PacketBuffer.U1[9];	b1 = PacketBuffer.U1[10];

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

	dy = (y1 - y0);
	if (dy < 0)
	dy = -dy;
	dx = (x1 - x0);
	if (dx < 0)
	dx = -dx;
	if (dx > dy) {
		if (x0 > x1) {
			GPU_SWAP(x0, x1, temp);
			GPU_SWAP(y0, y1, temp);
			GPU_SWAP(r0, r1, temp);
			GPU_SWAP(g0, g1, temp);
			GPU_SWAP(b0, b1, temp);
		}
		y1 = GPU_DIV((y1 - y0) << GPU_DIGITS, dx);
		r1 = GPU_DIV((r1 - r0) << GPU_DIGITS, dx);
		g1 = GPU_DIV((g1 - g0) << GPU_DIGITS, dx);
		b1 = GPU_DIV((b1 - b0) << GPU_DIGITS, dx);
		y0 <<= GPU_DIGITS;
		r0 <<= GPU_DIGITS;
		g0 <<= GPU_DIGITS;
		b0 <<= GPU_DIGITS;
		temp = xmin - x0;
		if (temp > 0) {
			x0 = xmin;
			y0 += (y1 * temp);
			r0 += (r1 * temp);
			g0 += (g1 * temp);
			b0 += (b1 * temp);
		}
		if (x1 > xmax) x1 = xmax;
		x1 -= x0;
		if (x1 < 0) x1 = 0;
		
		const int li=linesInterlace;
		for (; x1; x1--) {
			temp = y0 >> GPU_DIGITS;
			if( 0 == (temp&li) )  {
				if ((u32) (temp - ymin) < (u32) (ymax - ymin)) {
					gpuPixelDriver (
						&((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, temp)],
						(((b0>>GPU_DIGITSC)&0x1F)<<10) | (((g0>>GPU_DIGITSC)&0x1F)<< 5) | ((r0>>GPU_DIGITSC)&0x1F)
					);
				}
			}
			x0++;
			y0 += y1;
			r0 += r1;
			g0 += g1;
			b0 += b1;
		}
	} else if (dy) {
		if (y0 > y1) {
			GPU_SWAP(x0, x1, temp);
			GPU_SWAP(y0, y1, temp);
			GPU_SWAP(r0, r1, temp);
			GPU_SWAP(g0, g1, temp);
			GPU_SWAP(b0, b1, temp);
		}
		x1 = GPU_DIV((x1 - x0) << GPU_DIGITS, dy);
		r1 = GPU_DIV((r1 - r0) << GPU_DIGITS, dy);
		g1 = GPU_DIV((g1 - g0) << GPU_DIGITS, dy);
		b1 = GPU_DIV((b1 - b0) << GPU_DIGITS, dy);
		x0 <<= GPU_DIGITS;
		r0 <<= GPU_DIGITS;
		g0 <<= GPU_DIGITS;
		b0 <<= GPU_DIGITS;
		temp = ymin - y0;
		if (temp > 0) {
			y0 = ymin;
			x0 += (x1 * temp);
			r0 += (r1 * temp);
			g0 += (g1 * temp);
			b0 += (b1 * temp);
		}
		if (y1 > ymax) y1 = ymax;
		y1 -= y0;
		if (y1 < 0) y1 = 0;
		
		const int li=linesInterlace;
		for (; y1; y1--) {
			if( 0 == (y0&li) )  {
				temp = x0 >> GPU_DIGITS;
				if ((u32) (temp - xmin) < (u32) (xmax - xmin)) {
					gpuPixelDriver (
						&((u16*)GPU_FrameBuffer)[FRAME_OFFSET(temp, y0)],
						(((b0>>GPU_DIGITSC)&0x1F)<<10) | (((g0>>GPU_DIGITSC)&0x1F)<< 5) | ((r0>>GPU_DIGITSC)&0x1F)
					);
				}
			}
			y0++;
			x0 += x1;
			r0 += r1;
			g0 += g1;
			b0 += b1;
		}
	} else {
		if( 0 == (y0&linesInterlace) )  {
			if ((u32) (x0 - xmin) < (u32) (xmax - xmin)) {
				if ((u32) (y0 - ymin) < (u32) (ymax - ymin)) {
					gpuPixelDriver (
						&((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, y0)],
						(((b0>>GPU_DIGITSC)&0x1F)<<10) | (((g0>>GPU_DIGITSC)&0x1F)<< 5) | ((r0>>GPU_DIGITSC)&0x1F)
					);
				}
			}
		}
	}
}
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
9ed4ca47	21	#define GPU_TESTRANGE(x) { if((u32)(x+1024) > 2047) return; }
9ed4ca47	22
86aad47b	23	///////////////////////////////////////////////////////////////////////////////
	24	// GPU internal line drawing functions
	25
	26	#define GPU_DIGITS 16
	27	#define GPU_DIGITSC (GPU_DIGITS+3)
	28
	29	INLINE long GPU_DIV(long rs, long rt)
	30	{
	31	return rt ? (rs / rt) : (0);
	32	}
	33
	34	///////////////////////////////////////////////////////////////////////////////
	35	void gpuDrawLF(const PD gpuPixelDriver)
	36	{
	37	s32 temp;
	38	s32 xmin, xmax;
	39	s32 ymin, ymax;
	40	s32 x0, x1, dx;
	41	s32 y0, y1, dy;
	42
	43	x0 = PacketBuffer.S2[2] + DrawingOffset[0]; GPU_TESTRANGE(x0);
	44	y0 = PacketBuffer.S2[3] + DrawingOffset[1]; GPU_TESTRANGE(y0);
	45	x1 = PacketBuffer.S2[4] + DrawingOffset[0]; GPU_TESTRANGE(x1);
	46	y1 = PacketBuffer.S2[5] + DrawingOffset[1]; GPU_TESTRANGE(y1);
	47
	48	xmin = DrawingArea[0]; xmax = DrawingArea[2];
	49	ymin = DrawingArea[1]; ymax = DrawingArea[3];
	50	const u16 pixeldata = GPU_RGB16(PacketBuffer.U4[0]);
	51
	52	dy = (y1 - y0);
	53	if (dy < 0) dy = -dy;
	54	dx = (x1 - x0);
	55	if (dx < 0) dx = -dx;
	56	if (dx > dy) {
	57	if (x0 > x1) {
	58	GPU_SWAP(x0, x1, temp);
	59	GPU_SWAP(y0, y1, temp);
	60	}
	61	y1 = GPU_DIV((y1 - y0) << GPU_DIGITS, dx);
	62	y0 <<= GPU_DIGITS;
	63	temp = xmin - x0;
	64	if (temp > 0) {
	65	x0 = xmin;
	66	y0 += (y1 * temp);
	67	}
	68	if (x1 > xmax) x1 = xmax;
	69	x1 -= x0;
	70	if (x1 < 0) x1 = 0;
	71
	72	const int li=linesInterlace;
	73	for (; x1; x1--) {
	74	temp = y0 >> GPU_DIGITS;
	75	if( 0 == (temp&li) ) {
	76	if ((u32) (temp - ymin) < (u32) (ymax - ymin)) {
	77	gpuPixelDriver(&((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, temp)],pixeldata);
	78	}
	79	}
	80	x0++;
	81	y0 += y1;
	82	}
	83	} else if (dy) {
	84	if (y0 > y1) {
	85	GPU_SWAP(x0, x1, temp);
	86	GPU_SWAP(y0, y1, temp);
87	}
88	x1 = GPU_DIV((x1 - x0) << GPU_DIGITS, dy);
89	x0 <<= GPU_DIGITS;
90	temp = ymin - y0;
91	if (temp > 0) {
92	y0 = ymin;
93	x0 += (x1 * temp);
94	}
95	if (y1 > ymax) y1 = ymax;
96	y1 -= y0;
97	if (y1 < 0) y1 = 0;
98
99	const int li=linesInterlace;
100	for (; y1; y1--) {
101	if( 0 == (y0&li) ) {
102	temp = x0 >> GPU_DIGITS;
103	if ((u32) (temp - xmin) < (u32) (xmax - xmin)) {
104	gpuPixelDriver(&((u16*)GPU_FrameBuffer)[FRAME_OFFSET(temp, y0)],pixeldata);
105	}
106	}
107	y0++;
108	x0 += x1;
109	}
110
111	} else {
112	if( 0 == (y0&linesInterlace) ) {
113	if ((u32) (x0 - xmin) < (u32) (xmax - xmin)) {
114	if ((u32) (y0 - ymin) < (u32) (ymax - ymin)) {
115	gpuPixelDriver(&((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, y0)],pixeldata);
116	}
117	}
118	}
119	}
120	}
121
122	/*----------------------------------------------------------------------
123	GF
124	----------------------------------------------------------------------*/
125
126	///////////////////////////////////////////////////////////////////////////////
127	void gpuDrawLG(const PD gpuPixelDriver)
128	{
129	s32 temp;
130	s32 xmin, xmax;
131	s32 ymin, ymax;
132	s32 x0, x1, dx;
133	s32 y0, y1, dy;
134	s32 r0, r1;
135	s32 g0, g1;
136	s32 b0, b1;
137
138	x0 = PacketBuffer.S2[2] + DrawingOffset[0]; GPU_TESTRANGE(x0);
139	y0 = PacketBuffer.S2[3] + DrawingOffset[1]; GPU_TESTRANGE(y0);
140	x1 = PacketBuffer.S2[6] + DrawingOffset[0]; GPU_TESTRANGE(x1);
141	y1 = PacketBuffer.S2[7] + DrawingOffset[1]; GPU_TESTRANGE(y1);
142
143	r0 = PacketBuffer.U1[0]; g0 = PacketBuffer.U1[1]; b0 = PacketBuffer.U1[2];
144	r1 = PacketBuffer.U1[8]; g1 = PacketBuffer.U1[9]; b1 = PacketBuffer.U1[10];
145
146	xmin = DrawingArea[0]; xmax = DrawingArea[2];
147	ymin = DrawingArea[1]; ymax = DrawingArea[3];
148
149	dy = (y1 - y0);
150	if (dy < 0)
151	dy = -dy;
152	dx = (x1 - x0);
153	if (dx < 0)
154	dx = -dx;
155	if (dx > dy) {
156	if (x0 > x1) {
157	GPU_SWAP(x0, x1, temp);
158	GPU_SWAP(y0, y1, temp);
159	GPU_SWAP(r0, r1, temp);
160	GPU_SWAP(g0, g1, temp);
161	GPU_SWAP(b0, b1, temp);
162	}
163	y1 = GPU_DIV((y1 - y0) << GPU_DIGITS, dx);
164	r1 = GPU_DIV((r1 - r0) << GPU_DIGITS, dx);
165	g1 = GPU_DIV((g1 - g0) << GPU_DIGITS, dx);
166	b1 = GPU_DIV((b1 - b0) << GPU_DIGITS, dx);
167	y0 <<= GPU_DIGITS;
168	r0 <<= GPU_DIGITS;
169	g0 <<= GPU_DIGITS;
170	b0 <<= GPU_DIGITS;
171	temp = xmin - x0;
172	if (temp > 0) {
173	x0 = xmin;
174	y0 += (y1 * temp);
175	r0 += (r1 * temp);
176	g0 += (g1 * temp);
177	b0 += (b1 * temp);
178	}
179	if (x1 > xmax) x1 = xmax;
180	x1 -= x0;
181	if (x1 < 0) x1 = 0;
182
183	const int li=linesInterlace;
184	for (; x1; x1--) {
185	temp = y0 >> GPU_DIGITS;
186	if( 0 == (temp&li) ) {
187	if ((u32) (temp - ymin) < (u32) (ymax - ymin)) {
188	gpuPixelDriver (
189	&((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, temp)],
190	(((b0>>GPU_DIGITSC)&0x1F)<<10) \| (((g0>>GPU_DIGITSC)&0x1F)<< 5) \| ((r0>>GPU_DIGITSC)&0x1F)
191	);
192	}
193	}
194	x0++;
195	y0 += y1;
196	r0 += r1;
197	g0 += g1;
198	b0 += b1;
199	}
200	} else if (dy) {
201	if (y0 > y1) {
202	GPU_SWAP(x0, x1, temp);
203	GPU_SWAP(y0, y1, temp);
204	GPU_SWAP(r0, r1, temp);
205	GPU_SWAP(g0, g1, temp);
206	GPU_SWAP(b0, b1, temp);
207	}
208	x1 = GPU_DIV((x1 - x0) << GPU_DIGITS, dy);
209	r1 = GPU_DIV((r1 - r0) << GPU_DIGITS, dy);
210	g1 = GPU_DIV((g1 - g0) << GPU_DIGITS, dy);
211	b1 = GPU_DIV((b1 - b0) << GPU_DIGITS, dy);
212	x0 <<= GPU_DIGITS;
213	r0 <<= GPU_DIGITS;
214	g0 <<= GPU_DIGITS;
215	b0 <<= GPU_DIGITS;
216	temp = ymin - y0;
217	if (temp > 0) {
218	y0 = ymin;
219	x0 += (x1 * temp);
220	r0 += (r1 * temp);
221	g0 += (g1 * temp);
222	b0 += (b1 * temp);
223	}
224	if (y1 > ymax) y1 = ymax;
225	y1 -= y0;
226	if (y1 < 0) y1 = 0;
227
228	const int li=linesInterlace;
229	for (; y1; y1--) {
230	if( 0 == (y0&li) ) {
231	temp = x0 >> GPU_DIGITS;
232	if ((u32) (temp - xmin) < (u32) (xmax - xmin)) {
233	gpuPixelDriver (
234	&((u16*)GPU_FrameBuffer)[FRAME_OFFSET(temp, y0)],
235	(((b0>>GPU_DIGITSC)&0x1F)<<10) \| (((g0>>GPU_DIGITSC)&0x1F)<< 5) \| ((r0>>GPU_DIGITSC)&0x1F)
236	);
237	}
238	}
239	y0++;
240	x0 += x1;
241	r0 += r1;
242	g0 += g1;
243	b0 += b1;
244	}
245	} else {
246	if( 0 == (y0&linesInterlace) ) {
247	if ((u32) (x0 - xmin) < (u32) (xmax - xmin)) {
248	if ((u32) (y0 - ymin) < (u32) (ymax - ymin)) {
249	gpuPixelDriver (
250	&((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, y0)],
251	(((b0>>GPU_DIGITSC)&0x1F)<<10) \| (((g0>>GPU_DIGITSC)&0x1F)<< 5) \| ((r0>>GPU_DIGITSC)&0x1F)
252	);
253	}
254	}
255	}
256	}
257	}