st/mesa: fix glCopyPixels bugs/crashes when src region need clipping
[mesa.git] / src / gallium / drivers / nv40 / nv40_surface.c
1
2 /**************************************************************************
3 *
4 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
5 * All Rights Reserved.
6 *
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12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
17 * of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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27 **************************************************************************/
28
29 #include "pipe/p_defines.h"
30 #include "util/u_inlines.h"
31
32 #include "util/u_tile.h"
33
34 #include "nv40_context.h"
35
36 static void
37 nv40_surface_copy(struct pipe_context *pipe,
38 struct pipe_surface *dest, unsigned destx, unsigned desty,
39 struct pipe_surface *src, unsigned srcx, unsigned srcy,
40 unsigned width, unsigned height)
41 {
42 struct nv40_context *nv40 = nv40_context(pipe);
43 struct nv04_surface_2d *eng2d = nv40->screen->eng2d;
44
45 eng2d->copy(eng2d, dest, destx, desty, src, srcx, srcy, width, height);
46 }
47
48 static void
49 nv40_surface_fill(struct pipe_context *pipe, struct pipe_surface *dest,
50 unsigned destx, unsigned desty, unsigned width,
51 unsigned height, unsigned value)
52 {
53 struct nv40_context *nv40 = nv40_context(pipe);
54 struct nv04_surface_2d *eng2d = nv40->screen->eng2d;
55
56 eng2d->fill(eng2d, dest, destx, desty, width, height, value);
57 }
58
59 void
60 nv40_init_surface_functions(struct nv40_context *nv40)
61 {
62 nv40->pipe.surface_copy = nv40_surface_copy;
63 nv40->pipe.surface_fill = nv40_surface_fill;
64 }