src/gallium/drivers/r300/r300_screen.h

   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
  30 struct radeon_winsys;
  31
  32 struct 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
  43 struct 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. */
  52 static INLINE struct r300_screen* r300_screen(struct pipe_screen* screen) {
  53     return (struct r300_screen*)screen;
  54 }
  55
  56 /* Convenience cast wrapper. */
  57 static INLINE struct r300_transfer*
  58 r300_transfer(struct pipe_transfer* transfer)
  59 {
  60     return (struct r300_transfer*)transfer;
  61 }
  62
  63 /* Creates a new r300 screen. */
  64 struct 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
  87 static INLINE boolean SCREEN_DBG_ON(struct r300_screen * screen, unsigned flags)
  88 {
  89     return (screen->debug & flags) ? TRUE : FALSE;
  90 }
  91
  92 static 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
 103 void r300_init_debug(struct r300_screen* ctx);
 104
 105 #endif /* R300_SCREEN_H */
 106