src/gallium/drivers/r300/r300_screen.h

   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
  33 struct radeon_winsys;
  34
  35 struct 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. */
  54 static INLINE struct r300_screen* r300_screen(struct pipe_screen* screen) {
  55     return (struct r300_screen*)screen;
  56 }
  57
  58 /* Creates a new r300 screen. */
  59 struct 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
  82 static INLINE boolean SCREEN_DBG_ON(struct r300_screen * screen, unsigned flags)
  83 {
  84     return (screen->debug & flags) ? TRUE : FALSE;
  85 }
  86
  87 static 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
  98 void r300_init_debug(struct r300_screen* ctx);
  99
 100 #endif /* R300_SCREEN_H */
 101