r300_screen.h revision 08edbe9f14712f719f838769c61123f83768af76 
1/*
2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
22
23#ifndef R300_SCREEN_H
24#define R300_SCREEN_H
25
26#include "pipe/p_screen.h"
27
28#include "r300_chipset.h"
29
30struct radeon_winsys;
31
32struct r300_screen {
33    /* Parent class */
34    struct pipe_screen screen;
35
36    /* Chipset capabilities */
37    struct r300_capabilities* caps;
38
39    /** Combination of DBG_xxx flags */
40    unsigned debug;
41};
42
43struct r300_transfer {
44    /* Parent class */
45    struct pipe_transfer transfer;
46
47    /* Offset from start of buffer. */
48    unsigned offset;
49};
50
51/* Convenience cast wrapper. */
52static INLINE struct r300_screen* r300_screen(struct pipe_screen* screen) {
53    return (struct r300_screen*)screen;
54}
55
56/* Convenience cast wrapper. */
57static INLINE struct r300_transfer*
58r300_transfer(struct pipe_transfer* transfer)
59{
60    return (struct r300_transfer*)transfer;
61}
62
63/* Creates a new r300 screen. */
64struct pipe_screen* r300_create_screen(struct radeon_winsys* radeon_winsys);
65
66/* Debug functionality. */
67
68/**
69 * Debug flags to disable/enable certain groups of debugging outputs.
70 *
71 * \note These may be rather coarse, and the grouping may be impractical.
72 * If you find, while debugging the driver, that a different grouping
73 * of these flags would be beneficial, just feel free to change them
74 * but make sure to update the documentation in r300_debug.c to reflect
75 * those changes.
76 */
77/*@{*/
78#define DBG_HELP    0x0000001
79#define DBG_FP      0x0000002
80#define DBG_VP      0x0000004
81#define DBG_CS      0x0000008
82#define DBG_DRAW    0x0000010
83#define DBG_TEX     0x0000020
84#define DBG_FALL    0x0000040
85/*@}*/
86
87static INLINE boolean SCREEN_DBG_ON(struct r300_screen * screen, unsigned flags)
88{
89    return (screen->debug & flags) ? TRUE : FALSE;
90}
91
92static INLINE void SCREEN_DBG(struct r300_screen * screen, unsigned flags,
93                              const char * fmt, ...)
94{
95    if (SCREEN_DBG_ON(screen, flags)) {
96        va_list va;
97        va_start(va, fmt);
98        debug_vprintf(fmt, va);
99        va_end(va);
100    }
101}
102
103void r300_init_debug(struct r300_screen* ctx);
104
105#endif /* R300_SCREEN_H */
106
107