nv50_surface.c revision 5069bfed29bcee2c89c36c74c6d65d388eb7792e 
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#include "nv50_context.h"
24#include "pipe/p_defines.h"
25#include "pipe/internal/p_winsys_screen.h"
26#include "pipe/p_inlines.h"
27
28#include "util/u_tile.h"
29
30static void
31nv50_surface_copy(struct pipe_context *pipe, boolean flip,
32		  struct pipe_surface *dest, unsigned destx, unsigned desty,
33		  struct pipe_surface *src, unsigned srcx, unsigned srcy,
34		  unsigned width, unsigned height)
35{
36	struct nv50_context *nv50 = (struct nv50_context *)pipe;
37	struct nouveau_winsys *nvws = nv50->screen->nvws;
38
39	if (flip) {
40		desty += height;
41		while (height--) {
42			nvws->surface_copy(nvws, dest, destx, desty--, src,
43					   srcx, srcy++, width, 1);
44		}
45	} else {
46		nvws->surface_copy(nvws, dest, destx, desty, src, srcx, srcy,
47				   width, height);
48	}
49}
50
51static void
52nv50_surface_fill(struct pipe_context *pipe, struct pipe_surface *dest,
53		  unsigned destx, unsigned desty, unsigned width,
54		  unsigned height, unsigned value)
55{
56	struct nv50_context *nv50 = (struct nv50_context *)pipe;
57	struct nouveau_winsys *nvws = nv50->screen->nvws;
58
59	nvws->surface_fill(nvws, dest, destx, desty, width, height, value);
60}
61
62static void *
63nv50_surface_map(struct pipe_screen *screen, struct pipe_surface *ps,
64		 unsigned flags )
65{
66	struct pipe_winsys *ws = screen->winsys;
67
68	return ws->buffer_map(ws, nv50_surface_buffer(ps), flags);
69}
70
71static void
72nv50_surface_unmap(struct pipe_screen *pscreen, struct pipe_surface *ps)
73{
74	struct pipe_winsys *ws = pscreen->winsys;
75
76	ws->buffer_unmap(ws, nv50_surface_buffer(ps));
77}
78
79void
80nv50_init_surface_functions(struct nv50_context *nv50)
81{
82	nv50->pipe.surface_copy = nv50_surface_copy;
83	nv50->pipe.surface_fill = nv50_surface_fill;
84}
85
86void
87nv50_surface_init_screen_functions(struct pipe_screen *pscreen)
88{
89	pscreen->surface_map = nv50_surface_map;
90	pscreen->surface_unmap = nv50_surface_unmap;
91}
92
93