nv50_surface.c revision 40ed44991851a526f0e2cafd5dab6149cb7a3342 
1/*
2 * Copyright 2008 Ben Skeggs
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23#define __NOUVEAU_PUSH_H__
24#include <stdint.h>
25#include "nouveau/nouveau_pushbuf.h"
26#include "nv50_context.h"
27#include "pipe/p_defines.h"
28#include "pipe/internal/p_winsys_screen.h"
29#include "pipe/p_inlines.h"
30
31#include "util/u_tile.h"
32
33static INLINE int
34nv50_format(enum pipe_format format)
35{
36	switch (format) {
37	case PIPE_FORMAT_A8R8G8B8_UNORM:
38	case PIPE_FORMAT_Z24S8_UNORM:
39		return NV50_2D_DST_FORMAT_32BPP;
40	case PIPE_FORMAT_X8R8G8B8_UNORM:
41		return NV50_2D_DST_FORMAT_24BPP;
42	case PIPE_FORMAT_R5G6B5_UNORM:
43		return NV50_2D_DST_FORMAT_16BPP;
44	case PIPE_FORMAT_A8_UNORM:
45		return NV50_2D_DST_FORMAT_8BPP;
46	default:
47		return -1;
48	}
49}
50
51static int
52nv50_surface_set(struct nv50_screen *screen, struct pipe_surface *ps, int dst)
53{
54	struct nv50_miptree *mt = nv50_miptree(ps->texture);
55	struct nouveau_channel *chan = screen->eng2d->channel;
56	struct nouveau_grobj *eng2d = screen->eng2d;
57	struct nouveau_bo *bo = nouveau_bo(nv50_miptree(ps->texture)->buffer);
58 	int format, mthd = dst ? NV50_2D_DST_FORMAT : NV50_2D_SRC_FORMAT;
59 	int flags = NOUVEAU_BO_VRAM | (dst ? NOUVEAU_BO_WR : NOUVEAU_BO_RD);
60
61 	format = nv50_format(ps->format);
62 	if (format < 0)
63 		return 1;
64
65 	if (!bo->tile_flags) {
66 		BEGIN_RING(chan, eng2d, mthd, 2);
67 		OUT_RING  (chan, format);
68 		OUT_RING  (chan, 1);
69 		BEGIN_RING(chan, eng2d, mthd + 0x14, 5);
70 		OUT_RING  (chan, mt->level[0].pitch);
71 		OUT_RING  (chan, ps->width);
72 		OUT_RING  (chan, ps->height);
73 		OUT_RELOCh(chan, bo, ps->offset, flags);
74 		OUT_RELOCl(chan, bo, ps->offset, flags);
75 	} else {
76 		BEGIN_RING(chan, eng2d, mthd, 5);
77 		OUT_RING  (chan, format);
78 		OUT_RING  (chan, 0);
79 		OUT_RING  (chan, bo->tile_mode << 4);
80 		OUT_RING  (chan, 1);
81 		OUT_RING  (chan, 0);
82 		BEGIN_RING(chan, eng2d, mthd + 0x18, 4);
83 		OUT_RING  (chan, ps->width);
84 		OUT_RING  (chan, ps->height);
85 		OUT_RELOCh(chan, bo, ps->offset, flags);
86 		OUT_RELOCl(chan, bo, ps->offset, flags);
87 	}
88
89#if 0
90 	if (dst) {
91 		BEGIN_RING(chan, eng2d, NV50_2D_CLIP_X, 4);
92 		OUT_RING  (chan, 0);
93 		OUT_RING  (chan, 0);
94 		OUT_RING  (chan, surf->width);
95 		OUT_RING  (chan, surf->height);
96 	}
97#endif
98
99 	return 0;
100}
101
102int
103nv50_surface_do_copy(struct nv50_screen *screen, struct pipe_surface *dst,
104		     int dx, int dy, struct pipe_surface *src, int sx, int sy,
105		     int w, int h)
106{
107	struct nouveau_channel *chan = screen->eng2d->channel;
108	struct nouveau_grobj *eng2d = screen->eng2d;
109	int ret;
110
111	WAIT_RING (chan, 32);
112
113	ret = nv50_surface_set(screen, dst, 1);
114	if (ret)
115		return ret;
116
117	ret = nv50_surface_set(screen, src, 0);
118	if (ret)
119		return ret;
120
121	BEGIN_RING(chan, eng2d, 0x088c, 1);
122	OUT_RING  (chan, 0);
123	BEGIN_RING(chan, eng2d, NV50_2D_BLIT_DST_X, 4);
124	OUT_RING  (chan, dx);
125	OUT_RING  (chan, dy);
126	OUT_RING  (chan, w);
127	OUT_RING  (chan, h);
128	BEGIN_RING(chan, eng2d, 0x08c0, 4);
129	OUT_RING  (chan, 0);
130	OUT_RING  (chan, 1);
131	OUT_RING  (chan, 0);
132	OUT_RING  (chan, 1);
133	BEGIN_RING(chan, eng2d, 0x08d0, 4);
134	OUT_RING  (chan, 0);
135	OUT_RING  (chan, sx);
136	OUT_RING  (chan, 0);
137	OUT_RING  (chan, sy);
138
139	return 0;
140}
141
142static void
143nv50_surface_copy(struct pipe_context *pipe,
144		  struct pipe_surface *dest, unsigned destx, unsigned desty,
145		  struct pipe_surface *src, unsigned srcx, unsigned srcy,
146		  unsigned width, unsigned height)
147{
148	struct nv50_context *nv50 = (struct nv50_context *)pipe;
149	struct nv50_screen *screen = nv50->screen;
150
151	assert(src->format == dest->format);
152
153	nv50_surface_do_copy(screen, dest, destx, desty, src, srcx,
154				     srcy, width, height);
155}
156
157static void
158nv50_surface_fill(struct pipe_context *pipe, struct pipe_surface *dest,
159		  unsigned destx, unsigned desty, unsigned width,
160		  unsigned height, unsigned value)
161{
162	struct nv50_context *nv50 = (struct nv50_context *)pipe;
163	struct nv50_screen *screen = nv50->screen;
164	struct nouveau_channel *chan = screen->eng2d->channel;
165	struct nouveau_grobj *eng2d = screen->eng2d;
166	int format, ret;
167
168	format = nv50_format(dest->format);
169	if (format < 0)
170		return;
171
172	WAIT_RING (chan, 32);
173
174	ret = nv50_surface_set(screen, dest, 1);
175	if (ret)
176		return;
177
178	BEGIN_RING(chan, eng2d, 0x0580, 3);
179	OUT_RING  (chan, 4);
180	OUT_RING  (chan, format);
181	OUT_RING  (chan, value);
182	BEGIN_RING(chan, eng2d, NV50_2D_RECT_X1, 4);
183	OUT_RING  (chan, destx);
184	OUT_RING  (chan, desty);
185	OUT_RING  (chan, width);
186	OUT_RING  (chan, height);
187}
188
189void
190nv50_init_surface_functions(struct nv50_context *nv50)
191{
192	nv50->pipe.surface_copy = nv50_surface_copy;
193	nv50->pipe.surface_fill = nv50_surface_fill;
194}
195
196
197