r300_screen.h revision 6c7fac846ef99cde5305cf1011b4570bd1901625 
1/*
2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
3 * Copyright 2010 Marek Olšák <maraeo@gmail.com>
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
23
24#ifndef R300_SCREEN_H
25#define R300_SCREEN_H
26
27#include "pipe/p_screen.h"
28
29#include "r300_chipset.h"
30
31#define R300_TEXTURE_USAGE_TRANSFER PIPE_TEXTURE_USAGE_CUSTOM
32
33struct radeon_winsys;
34
35struct r300_screen {
36    /* Parent class */
37    struct pipe_screen screen;
38
39    struct radeon_winsys* radeon_winsys;
40
41    /* XXX This hack will be removed once texture transfers become part of
42     * pipe_context. */
43    struct pipe_context* ctx;
44
45    /* Chipset capabilities */
46    struct r300_capabilities* caps;
47
48    /** Combination of DBG_xxx flags */
49    unsigned debug;
50};
51
52
53/* Convenience cast wrapper. */
54static INLINE struct r300_screen* r300_screen(struct pipe_screen* screen) {
55    return (struct r300_screen*)screen;
56}
57
58/* Creates a new r300 screen. */
59struct pipe_screen* r300_create_screen(struct radeon_winsys* radeon_winsys);
60
61/* Debug functionality. */
62
63/**
64 * Debug flags to disable/enable certain groups of debugging outputs.
65 *
66 * \note These may be rather coarse, and the grouping may be impractical.
67 * If you find, while debugging the driver, that a different grouping
68 * of these flags would be beneficial, just feel free to change them
69 * but make sure to update the documentation in r300_debug.c to reflect
70 * those changes.
71 */
72/*@{*/
73#define DBG_HELP    0x0000001
74#define DBG_FP      0x0000002
75#define DBG_VP      0x0000004
76#define DBG_CS      0x0000008
77#define DBG_DRAW    0x0000010
78#define DBG_TEX     0x0000020
79#define DBG_FALL    0x0000040
80/*@}*/
81
82static INLINE boolean SCREEN_DBG_ON(struct r300_screen * screen, unsigned flags)
83{
84    return (screen->debug & flags) ? TRUE : FALSE;
85}
86
87static INLINE void SCREEN_DBG(struct r300_screen * screen, unsigned flags,
88                              const char * fmt, ...)
89{
90    if (SCREEN_DBG_ON(screen, flags)) {
91        va_list va;
92        va_start(va, fmt);
93        debug_vprintf(fmt, va);
94        va_end(va);
95    }
96}
97
98void r300_init_debug(struct r300_screen* ctx);
99
100#endif /* R300_SCREEN_H */
101
102