[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.           *
***************************************************************************/

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