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

#ifndef __GPU_UNAI_GPU_RASTER_SPRITE_H__
#define __GPU_UNAI_GPU_RASTER_SPRITE_H__

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

void gpuDrawS(PtrUnion packet, const PS gpuSpriteSpanDriver, s32 *w_out, s32 *h_out)
{
	s32 x0, x1, y0, y1;
	u32 u0, v0;

	//NOTE: Must 11-bit sign-extend the whole sum here, not just packet X/Y,
	// or sprites in 1st level of SkullMonkeys disappear when walking right.
	// This now matches behavior of Mednafen and PCSX Rearmed's gpu_neon:
	x0 = GPU_EXPANDSIGN(le16_to_s16(packet.U2[2]) + gpu_unai.DrawingOffset[0]);
	y0 = GPU_EXPANDSIGN(le16_to_s16(packet.U2[3]) + gpu_unai.DrawingOffset[1]);

	u32 w = le16_to_u16(packet.U2[6]) & 0x3ff; // Max width is 1023
	u32 h = le16_to_u16(packet.U2[7]) & 0x1ff; // Max height is 511
	x1 = x0 + w;
	y1 = y0 + h;

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

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

	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;
	*w_out = x1;
	*h_out = y1 - y0;

	gpu_unai.r5 = packet.U1[0] >> 3;
	gpu_unai.g5 = packet.U1[1] >> 3;
	gpu_unai.b5 = packet.U1[2] >> 3;

	le16_t *Pixel = &gpu_unai.vram[FRAME_OFFSET(x0, y0)];
	const int li=gpu_unai.ilace_mask;
	const int pi=(ProgressiveInterlaceEnabled()?(gpu_unai.ilace_mask+1):0);
	const int pif=(ProgressiveInterlaceEnabled()?(gpu_unai.prog_ilace_flag?(gpu_unai.ilace_mask+1):0):1);
	unsigned int tmode = gpu_unai.TEXT_MODE >> 5;
	const u32 v0_mask = gpu_unai.TextureWindow[3];
	u8* pTxt_base = (u8*)gpu_unai.TBA;

	// Texture is accessed byte-wise, so adjust idx if 16bpp
	if (tmode == 3) u0 <<= 1;

	for (; y0<y1; ++y0) {
		u8* pTxt = pTxt_base + ((v0 & v0_mask) * 2048);
		if (!(y0&li) && (y0&pi)!=pif)
			gpuSpriteSpanDriver(Pixel, x1, pTxt, u0);
		Pixel += FRAME_WIDTH;
		v0++;
	}
}

#ifdef __arm__
#include "gpu_arm.h"

/* Notaz 4bit sprites optimization */
void gpuDrawS16(PtrUnion packet, s32 *w_out, s32 *h_out)
{
	s32 x0, y0;
	s32 u0, v0;
	s32 xmin, xmax;
	s32 ymin, ymax;
	u32 h = 16;

	//NOTE: Must 11-bit sign-extend the whole sum here, not just packet X/Y,
	// or sprites in 1st level of SkullMonkeys disappear when walking right.
	// This now matches behavior of Mednafen and PCSX Rearmed's gpu_neon:
	x0 = GPU_EXPANDSIGN(le16_to_s16(packet.U2[2]) + gpu_unai.DrawingOffset[0]);
	y0 = GPU_EXPANDSIGN(le16_to_s16(packet.U2[3]) + gpu_unai.DrawingOffset[1]);

	xmin = gpu_unai.DrawingArea[0];	xmax = gpu_unai.DrawingArea[2];
	ymin = gpu_unai.DrawingArea[1];	ymax = gpu_unai.DrawingArea[3];
	u0 = packet.U1[8];
	v0 = packet.U1[9];

	if (x0 > xmax - 16 || x0 < xmin ||
	    ((u0 | v0) & 15) || !(gpu_unai.TextureWindow[2] & gpu_unai.TextureWindow[3] & 8)) {
		// send corner cases to general handler
		packet.U4[3] = u32_to_le32(0x00100010);
		gpuDrawS(packet, gpuSpriteSpanFn<0x20>, w_out, h_out);
		return;
	}

	if (y0 >= ymax || y0 <= ymin - 16)
		return;
	if (y0 < ymin) {
		h -= ymin - y0;
		v0 += ymin - y0;
		y0 = ymin;
	}
	else if (ymax - y0 < 16)
		h = ymax - y0;
	*w_out = 16;
	*h_out = h;

	draw_spr16_full(&gpu_unai.vram[FRAME_OFFSET(x0, y0)], &gpu_unai.TBA[FRAME_OFFSET(u0/4, v0)], gpu_unai.CBA, h);
}
#endif // __arm__

void gpuDrawT(PtrUnion packet, const PT gpuTileSpanDriver, s32 *w_out, s32 *h_out)
{
	s32 x0, x1, y0, y1;

	// This now matches behavior of Mednafen and PCSX Rearmed's gpu_neon:
	x0 = GPU_EXPANDSIGN(le16_to_s16(packet.U2[2]) + gpu_unai.DrawingOffset[0]);
	y0 = GPU_EXPANDSIGN(le16_to_s16(packet.U2[3]) + gpu_unai.DrawingOffset[1]);

	u32 w = le16_to_u16(packet.U2[4]) & 0x3ff; // Max width is 1023
	u32 h = le16_to_u16(packet.U2[5]) & 0x1ff; // Max height is 511
	x1 = x0 + w;
	y1 = y0 + h;

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

	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;
	*w_out = x1;
	*h_out = y1 - y0;

	const u16 Data = GPU_RGB16(le32_to_u32(packet.U4[0]));
	le16_t *Pixel = &gpu_unai.vram[FRAME_OFFSET(x0, y0)];
	const int li=gpu_unai.ilace_mask;
	const int pi=(ProgressiveInterlaceEnabled()?(gpu_unai.ilace_mask+1):0);
	const int pif=(ProgressiveInterlaceEnabled()?(gpu_unai.prog_ilace_flag?(gpu_unai.ilace_mask+1):0):1);

	for (; y0<y1; ++y0) {
		if (!(y0&li) && (y0&pi)!=pif)
			gpuTileSpanDriver(Pixel,x1,Data);
		Pixel += FRAME_WIDTH;
	}
}

#endif /* __GPU_UNAI_GPU_RASTER_SPRITE_H__ */
Commit	Line	Data
0bfe8d59	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	#ifndef __GPU_UNAI_GPU_RASTER_SPRITE_H__
	22	#define __GPU_UNAI_GPU_RASTER_SPRITE_H__
	23
	24	///////////////////////////////////////////////////////////////////////////////
	25	// GPU internal sprite drawing functions
	26
1cec4719	27	void gpuDrawS(PtrUnion packet, const PS gpuSpriteSpanDriver, s32 w_out, s32 h_out)
0bfe8d59	28	{
	29	s32 x0, x1, y0, y1;
	30	u32 u0, v0;
	31
	32	//NOTE: Must 11-bit sign-extend the whole sum here, not just packet X/Y,
	33	// or sprites in 1st level of SkullMonkeys disappear when walking right.
	34	// This now matches behavior of Mednafen and PCSX Rearmed's gpu_neon:
e223fa15	35	x0 = GPU_EXPANDSIGN(le16_to_s16(packet.U2[2]) + gpu_unai.DrawingOffset[0]);
e223fa15	36	y0 = GPU_EXPANDSIGN(le16_to_s16(packet.U2[3]) + gpu_unai.DrawingOffset[1]);
0bfe8d59	37
e223fa15	38	u32 w = le16_to_u16(packet.U2[6]) & 0x3ff; // Max width is 1023
e223fa15	39	u32 h = le16_to_u16(packet.U2[7]) & 0x1ff; // Max height is 511
0bfe8d59	40	x1 = x0 + w;
	41	y1 = y0 + h;
	42
	43	s32 xmin, xmax, ymin, ymax;
e223fa15	44	xmin = gpu_unai.DrawingArea[0]; xmax = gpu_unai.DrawingArea[2];
e223fa15	45	ymin = gpu_unai.DrawingArea[1]; ymax = gpu_unai.DrawingArea[3];
0bfe8d59	46
	47	u0 = packet.U1[8];
	48	v0 = packet.U1[9];
	49
	50	s32 temp;
	51	temp = ymin - y0;
	52	if (temp > 0) { y0 = ymin; v0 += temp; }
	53	if (y1 > ymax) y1 = ymax;
	54	if (y1 <= y0) return;
	55
	56	temp = xmin - x0;
	57	if (temp > 0) { x0 = xmin; u0 += temp; }
	58	if (x1 > xmax) x1 = xmax;
	59	x1 -= x0;
	60	if (x1 <= 0) return;
1cec4719	61	*w_out = x1;
1cec4719	62	*h_out = y1 - y0;
0bfe8d59	63
e223fa15	64	gpu_unai.r5 = packet.U1[0] >> 3;
	65	gpu_unai.g5 = packet.U1[1] >> 3;
	66	gpu_unai.b5 = packet.U1[2] >> 3;
0bfe8d59	67
e223fa15	68	le16_t *Pixel = &gpu_unai.vram[FRAME_OFFSET(x0, y0)];
	69	const int li=gpu_unai.ilace_mask;
	70	const int pi=(ProgressiveInterlaceEnabled()?(gpu_unai.ilace_mask+1):0);
	71	const int pif=(ProgressiveInterlaceEnabled()?(gpu_unai.prog_ilace_flag?(gpu_unai.ilace_mask+1):0):1);
	72	unsigned int tmode = gpu_unai.TEXT_MODE >> 5;
	73	const u32 v0_mask = gpu_unai.TextureWindow[3];
	74	u8* pTxt_base = (u8*)gpu_unai.TBA;
0bfe8d59	75
	76	// Texture is accessed byte-wise, so adjust idx if 16bpp
	77	if (tmode == 3) u0 <<= 1;
	78
	79	for (; y0<y1; ++y0) {
	80	u8* pTxt = pTxt_base + ((v0 & v0_mask) * 2048);
	81	if (!(y0&li) && (y0&pi)!=pif)
	82	gpuSpriteSpanDriver(Pixel, x1, pTxt, u0);
	83	Pixel += FRAME_WIDTH;
	84	v0++;
	85	}
	86	}
	87
	88	#ifdef __arm__
	89	#include "gpu_arm.h"
	90
	91	/* Notaz 4bit sprites optimization */
1cec4719	92	void gpuDrawS16(PtrUnion packet, s32 w_out, s32 h_out)
0bfe8d59	93	{
	94	s32 x0, y0;
	95	s32 u0, v0;
	96	s32 xmin, xmax;
	97	s32 ymin, ymax;
	98	u32 h = 16;
	99
	100	//NOTE: Must 11-bit sign-extend the whole sum here, not just packet X/Y,
	101	// or sprites in 1st level of SkullMonkeys disappear when walking right.
	102	// This now matches behavior of Mednafen and PCSX Rearmed's gpu_neon:
e223fa15	103	x0 = GPU_EXPANDSIGN(le16_to_s16(packet.U2[2]) + gpu_unai.DrawingOffset[0]);
e223fa15	104	y0 = GPU_EXPANDSIGN(le16_to_s16(packet.U2[3]) + gpu_unai.DrawingOffset[1]);
0bfe8d59	105
e223fa15	106	xmin = gpu_unai.DrawingArea[0]; xmax = gpu_unai.DrawingArea[2];
e223fa15	107	ymin = gpu_unai.DrawingArea[1]; ymax = gpu_unai.DrawingArea[3];
0bfe8d59	108	u0 = packet.U1[8];
	109	v0 = packet.U1[9];
	110
	111	if (x0 > xmax - 16 \|\| x0 < xmin \|\|
e223fa15	112	((u0 \| v0) & 15) \|\| !(gpu_unai.TextureWindow[2] & gpu_unai.TextureWindow[3] & 8)) {
0bfe8d59	113	// send corner cases to general handler
e223fa15	114	packet.U4[3] = u32_to_le32(0x00100010);
1cec4719	115	gpuDrawS(packet, gpuSpriteSpanFn<0x20>, w_out, h_out);
0bfe8d59	116	return;
	117	}
	118
	119	if (y0 >= ymax \|\| y0 <= ymin - 16)
	120	return;
	121	if (y0 < ymin) {
	122	h -= ymin - y0;
	123	v0 += ymin - y0;
	124	y0 = ymin;
	125	}
	126	else if (ymax - y0 < 16)
	127	h = ymax - y0;
1cec4719	128	*w_out = 16;
1cec4719	129	*h_out = h;
0bfe8d59	130
e223fa15	131	draw_spr16_full(&gpu_unai.vram[FRAME_OFFSET(x0, y0)], &gpu_unai.TBA[FRAME_OFFSET(u0/4, v0)], gpu_unai.CBA, h);
0bfe8d59	132	}
	133	#endif // __arm__
	134
1cec4719	135	void gpuDrawT(PtrUnion packet, const PT gpuTileSpanDriver, s32 w_out, s32 h_out)
0bfe8d59	136	{
	137	s32 x0, x1, y0, y1;
	138
	139	// This now matches behavior of Mednafen and PCSX Rearmed's gpu_neon:
e223fa15	140	x0 = GPU_EXPANDSIGN(le16_to_s16(packet.U2[2]) + gpu_unai.DrawingOffset[0]);
e223fa15	141	y0 = GPU_EXPANDSIGN(le16_to_s16(packet.U2[3]) + gpu_unai.DrawingOffset[1]);
0bfe8d59	142
e223fa15	143	u32 w = le16_to_u16(packet.U2[4]) & 0x3ff; // Max width is 1023
e223fa15	144	u32 h = le16_to_u16(packet.U2[5]) & 0x1ff; // Max height is 511
0bfe8d59	145	x1 = x0 + w;
	146	y1 = y0 + h;
	147
	148	s32 xmin, xmax, ymin, ymax;
e223fa15	149	xmin = gpu_unai.DrawingArea[0]; xmax = gpu_unai.DrawingArea[2];
e223fa15	150	ymin = gpu_unai.DrawingArea[1]; ymax = gpu_unai.DrawingArea[3];
0bfe8d59	151
	152	if (y0 < ymin) y0 = ymin;
	153	if (y1 > ymax) y1 = ymax;
	154	if (y1 <= y0) return;
	155
	156	if (x0 < xmin) x0 = xmin;
	157	if (x1 > xmax) x1 = xmax;
	158	x1 -= x0;
	159	if (x1 <= 0) return;
1cec4719	160	*w_out = x1;
1cec4719	161	*h_out = y1 - y0;
0bfe8d59	162
e223fa15	163	const u16 Data = GPU_RGB16(le32_to_u32(packet.U4[0]));
	164	le16_t *Pixel = &gpu_unai.vram[FRAME_OFFSET(x0, y0)];
	165	const int li=gpu_unai.ilace_mask;
	166	const int pi=(ProgressiveInterlaceEnabled()?(gpu_unai.ilace_mask+1):0);
	167	const int pif=(ProgressiveInterlaceEnabled()?(gpu_unai.prog_ilace_flag?(gpu_unai.ilace_mask+1):0):1);
0bfe8d59	168
	169	for (; y0<y1; ++y0) {
	170	if (!(y0&li) && (y0&pi)!=pif)
	171	gpuTileSpanDriver(Pixel,x1,Data);
	172	Pixel += FRAME_WIDTH;
	173	}
	174	}
	175
	176	#endif /* __GPU_UNAI_GPU_RASTER_SPRITE_H__ */