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 #define MAX_CS_SIZE 64 * 1024 / 4
  36
  37 #define VERY_VERBOSE_CS 1
  38 #define VERY_VERBOSE_REGISTERS 1
  39
  40 /* XXX stolen from radeon_drm.h */
  41 #define RADEON_GEM_DOMAIN_CPU  0x1
  42 #define RADEON_GEM_DOMAIN_GTT  0x2
  43 #define RADEON_GEM_DOMAIN_VRAM 0x4
  44
  45 /* XXX stolen from radeon_reg.h */
  46 #define RADEON_CP_PACKET0 0x0
  47
  48 #define CP_PACKET0(register, count) \
  49     (RADEON_CP_PACKET0 | ((count) << 16) | ((register) >> 2))
  50
  51 #define CS_LOCALS(context) \
  52     struct r300_context* const cs_context_copy = (context); \
  53     struct r300_winsys_screen *cs_winsys = cs_context_copy->rws; \
  54     int cs_count = 0; (void) cs_count;
  55
  56 #define CHECK_CS(size) \
  57     assert(cs_winsys->check_cs(cs_winsys, (size)))
  58
  59 #define BEGIN_CS(size) do { \
  60     CHECK_CS(size); \
  61     if (VERY_VERBOSE_CS) { \
  62         DBG(cs_context_copy, DBG_CS, "r300: BEGIN_CS, count %d, in %s (%s:%d)\n", \
  63                 size, __FUNCTION__, __FILE__, __LINE__); \
  64     } \
  65     cs_winsys->begin_cs(cs_winsys, (size), \
  66             __FILE__, __FUNCTION__, __LINE__); \
  67     cs_count = size; \
  68 } while (0)
  69
  70 #define OUT_CS(value) do { \
  71     if (VERY_VERBOSE_CS || VERY_VERBOSE_REGISTERS) { \
  72         DBG(cs_context_copy, DBG_CS, "r300: writing %08x\n", value); \
  73     } \
  74     cs_winsys->write_cs_dword(cs_winsys, (value)); \
  75     cs_count--; \
  76 } while (0)
  77
  78 #define OUT_CS_32F(value) do { \
  79     if (VERY_VERBOSE_CS || VERY_VERBOSE_REGISTERS) { \
  80         DBG(cs_context_copy, DBG_CS, "r300: writing %f\n", value); \
  81     } \
  82     cs_winsys->write_cs_dword(cs_winsys, fui(value)); \
  83     cs_count--; \
  84 } while (0)
  85
  86 #define OUT_CS_REG(register, value) do { \
  87     if (VERY_VERBOSE_REGISTERS) \
  88         DBG(cs_context_copy, DBG_CS, "r300: writing 0x%08X to register 0x%04X\n", \
  89             value, register); \
  90     assert(register); \
  91     cs_winsys->write_cs_dword(cs_winsys, CP_PACKET0(register, 0)); \
  92     cs_winsys->write_cs_dword(cs_winsys, value); \
  93     cs_count -= 2; \
  94 } while (0)
  95
  96 /* Note: This expects count to be the number of registers,
  97  * not the actual packet0 count! */
  98 #define OUT_CS_REG_SEQ(register, count) do { \
  99     if (VERY_VERBOSE_REGISTERS) \
 100         DBG(cs_context_copy, DBG_CS, "r300: writing register sequence of %d to 0x%04X\n", \
 101             count, register); \
 102     assert(register); \
 103     cs_winsys->write_cs_dword(cs_winsys, CP_PACKET0((register), ((count) - 1))); \
 104     cs_count--; \
 105 } while (0)
 106
 107 #define OUT_CS_BUF_RELOC(bo, offset, rd, wd, flags) do { \
 108     DBG(cs_context_copy, DBG_CS, "r300: writing relocation for buffer %p, offset %d, " \
 109             "domains (%d, %d, %d)\n", \
 110         bo, offset, rd, wd, flags); \
 111     assert(bo); \
 112     cs_winsys->write_cs_dword(cs_winsys, offset); \
 113     r300_buffer_write_reloc(cs_winsys, r300_buffer(bo), rd, wd, flags); \
 114     cs_count -= 3; \
 115 } while (0)
 116
 117
 118 #define OUT_CS_TEX_RELOC(tex, offset, rd, wd, flags) do { \
 119     DBG(cs_context_copy, DBG_CS, "r300: writing relocation for texture %p, offset %d, " \
 120             "domains (%d, %d, %d)\n", \
 121         tex, offset, rd, wd, flags); \
 122     assert(tex); \
 123     cs_winsys->write_cs_dword(cs_winsys, offset); \
 124     r300_texture_write_reloc(cs_winsys, tex, rd, wd, flags);    \
 125     cs_count -= 3; \
 126 } while (0)
 127
 128
 129 #define OUT_CS_BUF_RELOC_NO_OFFSET(bo, rd, wd, flags) do { \
 130     DBG(cs_context_copy, DBG_CS, "r300: writing relocation for buffer %p, " \
 131             "domains (%d, %d, %d)\n", \
 132         bo, rd, wd, flags); \
 133     assert(bo); \
 134     r300_buffer_write_reloc(cs_winsys, r300_buffer(bo), rd, wd, flags); \
 135     cs_count -= 2; \
 136 } while (0)
 137
 138 #define END_CS do { \
 139     if (VERY_VERBOSE_CS) { \
 140         DBG(cs_context_copy, DBG_CS, "r300: END_CS in %s (%s:%d)\n", __FUNCTION__, \
 141                 __FILE__, __LINE__); \
 142     } \
 143     if (cs_count != 0) \
 144         debug_printf("r300: Warning: cs_count off by %d\n", cs_count); \
 145     cs_winsys->end_cs(cs_winsys, __FILE__, __FUNCTION__, __LINE__); \
 146 } while (0)
 147
 148 #define FLUSH_CS do { \
 149     if (VERY_VERBOSE_CS) { \
 150         DBG(cs_context_copy, DBG_CS, "r300: FLUSH_CS in %s (%s:%d)\n\n", __FUNCTION__, \
 151                 __FILE__, __LINE__); \
 152     } \
 153     cs_winsys->flush_cs(cs_winsys); \
 154 } while (0)
 155
 156 #define RADEON_ONE_REG_WR        (1 << 15)
 157
 158 #define OUT_CS_ONE_REG(register, count) do { \
 159     if (VERY_VERBOSE_REGISTERS) \
 160         DBG(cs_context_copy, DBG_CS, "r300: writing data sequence of %d to 0x%04X\n", \
 161             count, register); \
 162     assert(register); \
 163     cs_winsys->write_cs_dword(cs_winsys, CP_PACKET0((register), ((count) - 1)) | RADEON_ONE_REG_WR); \
 164     cs_count--; \
 165 } while (0)
 166
 167 #define CP_PACKET3(op, count) \
 168     (RADEON_CP_PACKET3 | (op) | ((count) << 16))
 169
 170 #define OUT_CS_PKT3(op, count) do { \
 171     cs_winsys->write_cs_dword(cs_winsys, CP_PACKET3(op, count)); \
 172     cs_count--; \
 173 } while (0)
 174
 175 #define OUT_CS_INDEX_RELOC(bo, offset, count, rd, wd, flags) do { \
 176     DBG(cs_context_copy, DBG_CS, "r300: writing relocation for index buffer %p," \
 177             "offset %d\n", bo, offset); \
 178     assert(bo); \
 179     cs_winsys->write_cs_dword(cs_winsys, offset); \
 180     cs_winsys->write_cs_dword(cs_winsys, count); \
 181     cs_winsys->write_cs_reloc(cs_winsys, bo, rd, wd, flags); \
 182     cs_count -= 4; \
 183 } while (0)
 184
 185 #endif /* R300_CS_H */