src/gallium/drivers/r300/r300_cs.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_CS_H
  24 #define R300_CS_H
  25
  26 #include "r300_reg.h"
  27 #include "r300_winsys.h"
  28
  29 /* Yes, I know macros are ugly. However, they are much prettier than the code
  30  * that they neatly hide away, and don't have the cost of function setup,so
  31  * we're going to use them. */
  32
  33 #define MAX_CS_SIZE 64 * 1024 / 4
  34
  35 /* XXX stolen from radeon_drm.h */
  36 #define RADEON_GEM_DOMAIN_CPU  0x1
  37 #define RADEON_GEM_DOMAIN_GTT  0x2
  38 #define RADEON_GEM_DOMAIN_VRAM 0x4
  39
  40 #define CP_PACKET0(register, count) \
  41     (RADEON_CP_PACKET0 | ((count) << 16) | ((register) >> 2))
  42
  43 #define CS_LOCALS(context) \
  44     struct r300_winsys* cs_winsys = context->winsys; \
  45     struct radeon_cs* cs = cs_winsys->cs
  46
  47
  48 #define CHECK_CS(size) \
  49     cs_winsys->check_cs(cs, (size))
  50
  51 #define BEGIN_CS(size) do { \
  52     CHECK_CS(size); \
  53     cs_winsys->begin_cs(cs, (size), __FILE__, __FUNCTION__, __LINE__); \
  54 } while (0)
  55
  56 #define OUT_CS(value) \
  57     cs_winsys->write_cs_dword(cs, value)
  58
  59 #define OUT_CS_REG(register, value) do { \
  60     OUT_CS(CP_PACKET0(register, 0)); \
  61     OUT_CS(value); } while (0)
  62
  63 #define OUT_CS_RELOC(bo, offset, rd, wd, flags) do { \
  64     OUT_CS(offset); \
  65     cs_winsys->write_cs_reloc(cs, bo, rd, wd, flags); \
  66 } while (0)
  67
  68 #define END_CS \
  69     cs_winsys->end_cs(cs, __FILE__, __FUNCTION__, __LINE__)
  70
  71 #define FLUSH_CS \
  72     cs_winsys->flush_cs(cs)
  73
  74 #endif /* R300_CS_H */