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
  30 #include "radeon_winsys.h"
  31
  32 /* Yes, I know macros are ugly. However, they are much prettier than the code
  33  * that they neatly hide away, and don't have the cost of function setup,so
  34  * we're going to use them. */
  35
  36 #define MAX_CS_SIZE 64 * 1024 / 4
  37
  38 #define VERY_VERBOSE_CS 1
  39 #define VERY_VERBOSE_REGISTERS 1
  40
  41 /* XXX stolen from radeon_drm.h */
  42 #define RADEON_GEM_DOMAIN_CPU  0x1
  43 #define RADEON_GEM_DOMAIN_GTT  0x2
  44 #define RADEON_GEM_DOMAIN_VRAM 0x4
  45
  46 /* XXX stolen from radeon_reg.h */
  47 #define RADEON_CP_PACKET0 0x0
  48
  49 #define CP_PACKET0(register, count) \
  50     (RADEON_CP_PACKET0 | ((count) << 16) | ((register) >> 2))
  51
  52 #define CS_LOCALS(context) \
  53     struct r300_context* const cs_context_copy = (context); \
  54     struct radeon_winsys* cs_winsys = cs_context_copy->winsys; \
  55     int cs_count = 0; (void) cs_count;
  56
  57 #define CHECK_CS(size) \
  58     assert(cs_winsys->check_cs(cs_winsys, (size)))
  59
  60 #define BEGIN_CS(size) do { \
  61     CHECK_CS(size); \
  62     if (VERY_VERBOSE_CS) { \
  63         DBG(cs_context_copy, DBG_CS, "r300: BEGIN_CS, count %d, in %s (%s:%d)\n", \
  64                 size, __FUNCTION__, __FILE__, __LINE__); \
  65     } \
  66     cs_winsys->begin_cs(cs_winsys, (size), \
  67             __FILE__, __FUNCTION__, __LINE__); \
  68     cs_count = size; \
  69 } while (0)
  70
  71 #define OUT_CS(value) do { \
  72     if (VERY_VERBOSE_CS || VERY_VERBOSE_REGISTERS) { \
  73         DBG(cs_context_copy, DBG_CS, "r300: writing %08x\n", value); \
  74     } \
  75     cs_winsys->write_cs_dword(cs_winsys, (value)); \
  76     cs_count--; \
  77 } while (0)
  78
  79 #define OUT_CS_32F(value) do { \
  80     if (VERY_VERBOSE_CS || VERY_VERBOSE_REGISTERS) { \
  81         DBG(cs_context_copy, DBG_CS, "r300: writing %f\n", value); \
  82     } \
  83     cs_winsys->write_cs_dword(cs_winsys, fui(value)); \
  84     cs_count--; \
  85 } while (0)
  86
  87 #define OUT_CS_REG(register, value) do { \
  88     if (VERY_VERBOSE_REGISTERS) \
  89         DBG(cs_context_copy, DBG_CS, "r300: writing 0x%08X to register 0x%04X\n", \
  90             value, register); \
  91     assert(register); \
  92     cs_winsys->write_cs_dword(cs_winsys, CP_PACKET0(register, 0)); \
  93     cs_winsys->write_cs_dword(cs_winsys, value); \
  94     cs_count -= 2; \
  95 } while (0)
  96
  97 /* Note: This expects count to be the number of registers,
  98  * not the actual packet0 count! */
  99 #define OUT_CS_REG_SEQ(register, count) do { \
 100     if (VERY_VERBOSE_REGISTERS) \
 101         DBG(cs_context_copy, DBG_CS, "r300: writing register sequence of %d to 0x%04X\n", \
 102             count, register); \
 103     assert(register); \
 104     cs_winsys->write_cs_dword(cs_winsys, CP_PACKET0((register), ((count) - 1))); \
 105     cs_count--; \
 106 } while (0)
 107
 108 #define OUT_CS_RELOC(bo, offset, rd, wd, flags) do { \
 109     DBG(cs_context_copy, DBG_CS, "r300: writing relocation for buffer %p, offset %d, " \
 110             "domains (%d, %d, %d)\n", \
 111         bo, offset, rd, wd, flags); \
 112     assert(bo); \
 113     cs_winsys->write_cs_dword(cs_winsys, offset); \
 114     cs_winsys->write_cs_reloc(cs_winsys, bo, rd, wd, flags); \
 115     cs_count -= 3; \
 116 } while (0)
 117
 118 #define OUT_CS_RELOC_NO_OFFSET(bo, rd, wd, flags) do { \
 119     DBG(cs_context_copy, DBG_CS, "r300: writing relocation for buffer %p, " \
 120             "domains (%d, %d, %d)\n", \
 121         bo, rd, wd, flags); \
 122     assert(bo); \
 123     cs_winsys->write_cs_reloc(cs_winsys, bo, rd, wd, flags); \
 124     cs_count -= 2; \
 125 } while (0)
 126
 127 #define END_CS do { \
 128     if (VERY_VERBOSE_CS) { \
 129         DBG(cs_context_copy, DBG_CS, "r300: END_CS in %s (%s:%d)\n", __FUNCTION__, \
 130                 __FILE__, __LINE__); \
 131     } \
 132     if (cs_count != 0) \
 133         debug_printf("r300: Warning: cs_count off by %d\n", cs_count); \
 134     cs_winsys->end_cs(cs_winsys, __FILE__, __FUNCTION__, __LINE__); \
 135 } while (0)
 136
 137 #define FLUSH_CS do { \
 138     if (VERY_VERBOSE_CS) { \
 139         DBG(cs_context_copy, DBG_CS, "r300: FLUSH_CS in %s (%s:%d)\n\n", __FUNCTION__, \
 140                 __FILE__, __LINE__); \
 141     } \
 142     cs_winsys->flush_cs(cs_winsys); \
 143 } while (0)
 144
 145 #define RADEON_ONE_REG_WR        (1 << 15)
 146
 147 #define OUT_CS_ONE_REG(register, count) do { \
 148     if (VERY_VERBOSE_REGISTERS) \
 149         DBG(cs_context_copy, DBG_CS, "r300: writing data sequence of %d to 0x%04X\n", \
 150             count, register); \
 151     assert(register); \
 152     cs_winsys->write_cs_dword(cs_winsys, CP_PACKET0((register), ((count) - 1)) | RADEON_ONE_REG_WR); \
 153     cs_count--; \
 154 } while (0)
 155
 156 #define CP_PACKET3(op, count) \
 157     (RADEON_CP_PACKET3 | (op) | ((count) << 16))
 158
 159 #define OUT_CS_PKT3(op, count) do { \
 160     cs_winsys->write_cs_dword(cs_winsys, CP_PACKET3(op, count)); \
 161     cs_count--; \
 162 } while (0)
 163
 164 #define OUT_CS_INDEX_RELOC(bo, offset, count, rd, wd, flags) do { \
 165     DBG(cs_context_copy, DBG_CS, "r300: writing relocation for index buffer %p," \
 166             "offset %d\n", bo, offset); \
 167     assert(bo); \
 168     cs_winsys->write_cs_dword(cs_winsys, offset); \
 169     cs_winsys->write_cs_dword(cs_winsys, count); \
 170     cs_winsys->write_cs_reloc(cs_winsys, bo, rd, wd, flags); \
 171     cs_count -= 4; \
 172 } while (0)
 173
 174 #endif /* R300_CS_H */