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 "util/u_math.h"
  27
  28 #include "r300_reg.h"
  29 #include "r300_winsys.h"
  30
  31 /* Yes, I know macros are ugly. However, they are much prettier than the code
  32  * that they neatly hide away, and don't have the cost of function setup,so
  33  * we're going to use them. */
  34
  35 /* XXX stolen from radeon_reg.h */
  36 #define RADEON_CP_PACKET0 0x0
  37
  38 #define CP_PACKET0(register, count) \
  39     (RADEON_CP_PACKET0 | ((count) << 16) | ((register) >> 2))
  40
  41 #define CS_LOCALS(context) \
  42     struct r300_context* const cs_context_copy = (context); \
  43     struct r300_winsys_screen *cs_winsys = cs_context_copy->rws; \
  44     int cs_count = 0; (void) cs_count;
  45
  46 #define BEGIN_CS(size) do { \
  47     assert(r300_check_cs(cs_context_copy, (size))); \
  48     cs_winsys->begin_cs(cs_winsys, (size), \
  49             __FILE__, __FUNCTION__, __LINE__); \
  50     cs_count = size; \
  51 } while (0)
  52
  53 #define OUT_CS(value) do { \
  54     cs_winsys->write_cs_dword(cs_winsys, (value)); \
  55     cs_count--; \
  56 } while (0)
  57
  58 #define OUT_CS_32F(value) do { \
  59     cs_winsys->write_cs_dword(cs_winsys, fui(value)); \
  60     cs_count--; \
  61 } while (0)
  62
  63 #define OUT_CS_REG(register, value) do { \
  64     assert(register); \
  65     cs_winsys->write_cs_dword(cs_winsys, CP_PACKET0(register, 0)); \
  66     cs_winsys->write_cs_dword(cs_winsys, value); \
  67     cs_count -= 2; \
  68 } while (0)
  69
  70 /* Note: This expects count to be the number of registers,
  71  * not the actual packet0 count! */
  72 #define OUT_CS_REG_SEQ(register, count) do { \
  73     assert(register); \
  74     cs_winsys->write_cs_dword(cs_winsys, CP_PACKET0((register), ((count) - 1))); \
  75     cs_count--; \
  76 } while (0)
  77
  78 #define OUT_CS_TABLE(values, count) do { \
  79     cs_winsys->write_cs_table(cs_winsys, values, count); \
  80     cs_count -= count; \
  81 } while (0)
  82
  83 #define OUT_CS_BUF_RELOC(bo, offset, rd, wd, flags) do { \
  84     assert(bo); \
  85     cs_winsys->write_cs_dword(cs_winsys, offset); \
  86     r300_buffer_write_reloc(cs_winsys, r300_buffer(bo), rd, wd, flags); \
  87     cs_count -= 3; \
  88 } while (0)
  89
  90
  91 #define OUT_CS_TEX_RELOC(tex, offset, rd, wd, flags) do { \
  92     assert(tex); \
  93     cs_winsys->write_cs_dword(cs_winsys, offset); \
  94     r300_texture_write_reloc(cs_winsys, tex, rd, wd, flags);    \
  95     cs_count -= 3; \
  96 } while (0)
  97
  98
  99 #define OUT_CS_BUF_RELOC_NO_OFFSET(bo, rd, wd, flags) do { \
 100     assert(bo); \
 101     r300_buffer_write_reloc(cs_winsys, r300_buffer(bo), rd, wd, flags); \
 102     cs_count -= 2; \
 103 } while (0)
 104
 105 #define END_CS do { \
 106     if (cs_count != 0) \
 107         debug_printf("r300: Warning: cs_count off by %d\n", cs_count); \
 108     cs_winsys->end_cs(cs_winsys, __FILE__, __FUNCTION__, __LINE__); \
 109 } while (0)
 110
 111 #define FLUSH_CS do { \
 112     if (SCREEN_DBG_ON(r300->screen, DBG_STATS)) { \
 113         r300->flush_counter++; \
 114     } \
 115     cs_winsys->flush_cs(cs_winsys); \
 116 } while (0)
 117
 118 #define RADEON_ONE_REG_WR        (1 << 15)
 119
 120 #define OUT_CS_ONE_REG(register, count) do { \
 121     assert(register); \
 122     cs_winsys->write_cs_dword(cs_winsys, CP_PACKET0((register), ((count) - 1)) | RADEON_ONE_REG_WR); \
 123     cs_count--; \
 124 } while (0)
 125
 126 #define CP_PACKET3(op, count) \
 127     (RADEON_CP_PACKET3 | (op) | ((count) << 16))
 128
 129 #define OUT_CS_PKT3(op, count) do { \
 130     cs_winsys->write_cs_dword(cs_winsys, CP_PACKET3(op, count)); \
 131     cs_count--; \
 132 } while (0)
 133
 134 #define OUT_CS_INDEX_RELOC(bo, offset, count, rd, wd, flags) do { \
 135     assert(bo); \
 136     cs_winsys->write_cs_dword(cs_winsys, offset); \
 137     cs_winsys->write_cs_dword(cs_winsys, count); \
 138     cs_winsys->write_cs_reloc(cs_winsys, bo, rd, wd, flags); \
 139     cs_count -= 4; \
 140 } while (0)
 141
 142 #endif /* R300_CS_H */