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 /**
  24  * This file contains macros for immediate command submission.
  25  */
  26
  27 #ifndef R300_CS_H
  28 #define R300_CS_H
  29
  30 #include "r300_reg.h"
  31 #include "r300_context.h"
  32 #include "r300_winsys.h"
  33
  34 /* Yes, I know macros are ugly. However, they are much prettier than the code
  35  * that they neatly hide away, and don't have the cost of function setup,so
  36  * we're going to use them. */
  37
  38 #ifdef DEBUG
  39 #define CS_DEBUG(x) x
  40 #else
  41 #define CS_DEBUG(x)
  42 #endif
  43
  44 /**
  45  * Command submission setup.
  46  */
  47
  48 #define CS_LOCALS(context) \
  49     struct r300_context* const cs_context_copy = (context); \
  50     struct r300_winsys_screen *cs_winsys = cs_context_copy->rws; \
  51     CS_DEBUG(int cs_count = 0; (void) cs_count;)
  52
  53 #define BEGIN_CS(size) do { \
  54     assert(r300_check_cs(cs_context_copy, (size))); \
  55     CS_DEBUG(cs_count = size;) \
  56 } while (0)
  57
  58 #define END_CS do { \
  59     CS_DEBUG(if (cs_count != 0) \
  60         debug_printf("r300: Warning: cs_count off by %d\n", cs_count);) \
  61     CS_DEBUG(cs_count = 0;) \
  62 } while (0)
  63
  64
  65 /**
  66  * Writing pure DWORDs.
  67  */
  68
  69 #define OUT_CS(value) do { \
  70     cs_winsys->write_cs_dword(cs_winsys, (value)); \
  71     CS_DEBUG(cs_count--;) \
  72 } while (0)
  73
  74 #define OUT_CS_32F(value) do { \
  75     cs_winsys->write_cs_dword(cs_winsys, fui(value)); \
  76     CS_DEBUG(cs_count--;) \
  77 } while (0)
  78
  79 #define OUT_CS_REG(register, value) do { \
  80     assert(register); \
  81     cs_winsys->write_cs_dword(cs_winsys, CP_PACKET0(register, 0)); \
  82     cs_winsys->write_cs_dword(cs_winsys, value); \
  83     CS_DEBUG(cs_count -= 2;) \
  84 } while (0)
  85
  86 /* Note: This expects count to be the number of registers,
  87  * not the actual packet0 count! */
  88 #define OUT_CS_REG_SEQ(register, count) do { \
  89     assert(register); \
  90     cs_winsys->write_cs_dword(cs_winsys, CP_PACKET0((register), ((count) - 1))); \
  91     CS_DEBUG(cs_count--;) \
  92 } while (0)
  93
  94 #define OUT_CS_TABLE(values, count) do { \
  95     cs_winsys->write_cs_table(cs_winsys, values, count); \
  96     CS_DEBUG(cs_count -= count;) \
  97 } while (0)
  98
  99 #define OUT_CS_ONE_REG(register, count) do { \
 100     assert(register); \
 101     cs_winsys->write_cs_dword(cs_winsys, CP_PACKET0((register), ((count) - 1)) | RADEON_ONE_REG_WR); \
 102     CS_DEBUG(cs_count--;) \
 103 } while (0)
 104
 105 #define OUT_CS_PKT3(op, count) do { \
 106     cs_winsys->write_cs_dword(cs_winsys, CP_PACKET3(op, count)); \
 107     CS_DEBUG(cs_count--;) \
 108 } while (0)
 109
 110
 111 /**
 112  * Writing relocations.
 113  */
 114
 115 #define OUT_CS_RELOC(bo, offset, rd, wd, flags) do { \
 116     assert(bo); \
 117     cs_winsys->write_cs_dword(cs_winsys, offset); \
 118     cs_winsys->write_cs_reloc(cs_winsys, bo, rd, wd, flags); \
 119     CS_DEBUG(cs_count -= 3;) \
 120 } while (0)
 121
 122 #define OUT_CS_BUF_RELOC(bo, offset, rd, wd, flags) do { \
 123     assert(bo); \
 124     OUT_CS_RELOC(r300_buffer(bo)->buf, offset, rd, wd, flags); \
 125 } while (0)
 126
 127 #define OUT_CS_TEX_RELOC(tex, offset, rd, wd, flags) do { \
 128     assert(tex); \
 129     OUT_CS_RELOC(tex->buffer, offset, rd, wd, flags); \
 130 } while (0)
 131
 132 #define OUT_CS_BUF_RELOC_NO_OFFSET(bo, rd, wd, flags) do { \
 133     assert(bo); \
 134     cs_winsys->write_cs_reloc(cs_winsys, r300_buffer(bo)->buf, rd, wd, flags); \
 135     CS_DEBUG(cs_count -= 2;) \
 136 } while (0)
 137
 138
 139 /**
 140  * Command buffer emission.
 141  */
 142
 143 #define WRITE_CS_TABLE(values, count) do { \
 144     CS_DEBUG(assert(cs_count == 0);) \
 145     cs_winsys->write_cs_table(cs_winsys, values, count); \
 146 } while (0)
 147
 148 #endif /* R300_CS_H */