summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/nv50/nv50_surface.c
blob: edaf4b055a17b8c31532ae329114a95188fe754e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
/*
 * Copyright 2008 Ben Skeggs
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#define __NOUVEAU_PUSH_H__
#include <stdint.h>
#include "nouveau/nouveau_pushbuf.h"
#include "nv50_context.h"
#include "pipe/p_defines.h"
#include "pipe/internal/p_winsys_screen.h"
#include "pipe/p_inlines.h"

#include "util/u_tile.h"

static INLINE int
nv50_format(enum pipe_format format)
{
	switch (format) {
	case PIPE_FORMAT_A8R8G8B8_UNORM:
		return NV50_2D_DST_FORMAT_A8R8G8B8_UNORM;
	case PIPE_FORMAT_X8R8G8B8_UNORM:
		return NV50_2D_DST_FORMAT_X8R8G8B8_UNORM;
	case PIPE_FORMAT_R5G6B5_UNORM:
		return NV50_2D_DST_FORMAT_R5G6B5_UNORM;
	case PIPE_FORMAT_A8_UNORM:
		return NV50_2D_DST_FORMAT_R8_UNORM;
	default:
		return -1;
	}
}

static int
nv50_surface_set(struct nv50_screen *screen, struct pipe_surface *ps, int dst)
{
	struct nv50_miptree *mt = nv50_miptree(ps->texture);
	struct nouveau_channel *chan = screen->eng2d->channel;
	struct nouveau_grobj *eng2d = screen->eng2d;
	struct nouveau_bo *bo = nv50_miptree(ps->texture)->bo;
 	int format, mthd = dst ? NV50_2D_DST_FORMAT : NV50_2D_SRC_FORMAT;
 	int flags = NOUVEAU_BO_VRAM | (dst ? NOUVEAU_BO_WR : NOUVEAU_BO_RD);

 	format = nv50_format(ps->format);
 	if (format < 0)
 		return 1;
  
 	if (!bo->tile_flags) {
 		BEGIN_RING(chan, eng2d, mthd, 2);
 		OUT_RING  (chan, format);
 		OUT_RING  (chan, 1);
 		BEGIN_RING(chan, eng2d, mthd + 0x14, 5);
 		OUT_RING  (chan, mt->level[0].pitch);
 		OUT_RING  (chan, ps->width);
 		OUT_RING  (chan, ps->height);
 		OUT_RELOCh(chan, bo, ps->offset, flags);
 		OUT_RELOCl(chan, bo, ps->offset, flags);
 	} else {
 		BEGIN_RING(chan, eng2d, mthd, 5);
 		OUT_RING  (chan, format);
 		OUT_RING  (chan, 0);
 		OUT_RING  (chan, bo->tile_mode << 4);
 		OUT_RING  (chan, 1);
 		OUT_RING  (chan, 0);
 		BEGIN_RING(chan, eng2d, mthd + 0x18, 4);
 		OUT_RING  (chan, ps->width);
 		OUT_RING  (chan, ps->height);
 		OUT_RELOCh(chan, bo, ps->offset, flags);
 		OUT_RELOCl(chan, bo, ps->offset, flags);
 	}
 
#if 0
 	if (dst) {
 		BEGIN_RING(chan, eng2d, NV50_2D_CLIP_X, 4);
 		OUT_RING  (chan, 0);
 		OUT_RING  (chan, 0);
 		OUT_RING  (chan, surf->width);
 		OUT_RING  (chan, surf->height);
 	}
#endif
  
 	return 0;
}

int
nv50_surface_do_copy(struct nv50_screen *screen, struct pipe_surface *dst,
		     int dx, int dy, struct pipe_surface *src, int sx, int sy,
		     int w, int h)
{
	struct nouveau_channel *chan = screen->eng2d->channel;
	struct nouveau_grobj *eng2d = screen->eng2d;
	int ret;

	WAIT_RING (chan, 32);

	ret = nv50_surface_set(screen, dst, 1);
	if (ret)
		return ret;

	ret = nv50_surface_set(screen, src, 0);
	if (ret)
		return ret;

	BEGIN_RING(chan, eng2d, 0x088c, 1);
	OUT_RING  (chan, 0);
	BEGIN_RING(chan, eng2d, NV50_2D_BLIT_DST_X, 4);
	OUT_RING  (chan, dx);
	OUT_RING  (chan, dy);
	OUT_RING  (chan, w);
	OUT_RING  (chan, h);
	BEGIN_RING(chan, eng2d, 0x08c0, 4);
	OUT_RING  (chan, 0);
	OUT_RING  (chan, 1);
	OUT_RING  (chan, 0);
	OUT_RING  (chan, 1);
	BEGIN_RING(chan, eng2d, 0x08d0, 4);
	OUT_RING  (chan, 0);
	OUT_RING  (chan, sx);
	OUT_RING  (chan, 0);
	OUT_RING  (chan, sy);

	return 0;
}

static void
nv50_surface_copy(struct pipe_context *pipe,
		  struct pipe_surface *dest, unsigned destx, unsigned desty,
		  struct pipe_surface *src, unsigned srcx, unsigned srcy,
		  unsigned width, unsigned height)
{
	struct nv50_context *nv50 = nv50_context(pipe);
	struct nv50_screen *screen = nv50->screen;

	assert(src->format == dest->format);

	nv50_surface_do_copy(screen, dest, destx, desty, src, srcx,
				     srcy, width, height);
}

static void
nv50_surface_fill(struct pipe_context *pipe, struct pipe_surface *dest,
		  unsigned destx, unsigned desty, unsigned width,
		  unsigned height, unsigned value)
{
	struct nv50_context *nv50 = nv50_context(pipe);
	struct nv50_screen *screen = nv50->screen;
	struct nouveau_channel *chan = screen->eng2d->channel;
	struct nouveau_grobj *eng2d = screen->eng2d;
	int format, ret;

	format = nv50_format(dest->format);
	if (format < 0)
		return;

	WAIT_RING (chan, 32);

	ret = nv50_surface_set(screen, dest, 1);
	if (ret)
		return;

	BEGIN_RING(chan, eng2d, 0x0580, 3);
	OUT_RING  (chan, 4);
	OUT_RING  (chan, format);
	OUT_RING  (chan, value);
	BEGIN_RING(chan, eng2d, NV50_2D_RECT_X1, 4);
	OUT_RING  (chan, destx);
	OUT_RING  (chan, desty);
	OUT_RING  (chan, width);
	OUT_RING  (chan, height);
}

void
nv50_init_surface_functions(struct nv50_context *nv50)
{
	nv50->pipe.surface_copy = nv50_surface_copy;
	nv50->pipe.surface_fill = nv50_surface_fill;
}