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_REGISTERS 0
  38
  39 /* XXX stolen from radeon_drm.h */
  40 #define RADEON_GEM_DOMAIN_CPU  0x1
  41 #define RADEON_GEM_DOMAIN_GTT  0x2
  42 #define RADEON_GEM_DOMAIN_VRAM 0x4
  43
  44 /* XXX stolen from radeon_reg.h */
  45 #define RADEON_CP_PACKET0 0x0
  46
  47 #define CP_PACKET0(register, count) \
  48     (RADEON_CP_PACKET0 | ((count) << 16) | ((register) >> 2))
  49
  50 #define CS_LOCALS(context) \
  51     struct r300_winsys* cs_winsys = context->winsys; \
  52     struct radeon_cs* cs = cs_winsys->cs; \
  53     int cs_count = 0;
  54
  55 #define CHECK_CS(size) \
  56     cs_winsys->check_cs(cs, (size))
  57
  58 #define BEGIN_CS(size) do { \
  59     CHECK_CS(size); \
  60     debug_printf("r300: BEGIN_CS, count %d, in %s (%s:%d)\n", \
  61         size, __FUNCTION__, __FILE__, __LINE__); \
  62     cs_winsys->begin_cs(cs, (size), __FILE__, __FUNCTION__, __LINE__); \
  63     cs_count = size; \
  64 } while (0)
  65
  66 #define OUT_CS(value) do { \
  67     cs_winsys->write_cs_dword(cs, (value)); \
  68     cs_count--; \
  69 } while (0)
  70
  71 #define OUT_CS_32F(value) do { \
  72     cs_winsys->write_cs_dword(cs, fui(value)); \
  73     cs_count--; \
  74 } while (0)
  75
  76 #define OUT_CS_REG(register, value) do { \
  77     if (VERY_VERBOSE_REGISTERS) \
  78         debug_printf("r300: writing 0x%08X to register 0x%04X\n", \
  79             value, register); \
  80     assert(register); \
  81     OUT_CS(CP_PACKET0(register, 0)); \
  82     OUT_CS(value); \
  83 } while (0)
  84
  85 /* Note: This expects count to be the number of registers,
  86  * not the actual packet0 count! */
  87 #define OUT_CS_REG_SEQ(register, count) do { \
  88     if (VERY_VERBOSE_REGISTERS) \
  89         debug_printf("r300: writing register sequence of %d to 0x%04X\n", \
  90             count, register); \
  91     assert(register); \
  92     OUT_CS(CP_PACKET0(register, ((count) - 1))); \
  93 } while (0)
  94
  95 #define OUT_CS_RELOC(bo, offset, rd, wd, flags) do { \
  96     debug_printf("r300: writing relocation for buffer %p, offset %d\n", \
  97         bo, offset); \
  98     assert(bo); \
  99     OUT_CS(offset); \
 100     cs_winsys->write_cs_reloc(cs, bo, rd, wd, flags); \
 101     cs_count -= 2; \
 102 } while (0)
 103
 104 #define END_CS do { \
 105     debug_printf("r300: END_CS in %s (%s:%d)\n", __FUNCTION__, __FILE__, \
 106         __LINE__); \
 107     if (cs_count != 0) \
 108         debug_printf("r300: Warning: cs_count off by %d\n", cs_count); \
 109     cs_winsys->end_cs(cs, __FILE__, __FUNCTION__, __LINE__); \
 110 } while (0)
 111
 112 #define FLUSH_CS do { \
 113     debug_printf("r300: FLUSH_CS in %s (%s:%d)\n\n", __FUNCTION__, __FILE__, \
 114         __LINE__); \
 115     cs_winsys->flush_cs(cs); \
 116 } while (0)
 117
 118 #define RADEON_ONE_REG_WR        (1 << 15)
 119
 120 #define OUT_CS_ONE_REG(register, count) do { \
 121     if (VERY_VERBOSE_REGISTERS) \
 122         debug_printf("r300: writing data sequence of %d to 0x%04X\n", \
 123             count, register); \
 124     assert(register); \
 125     OUT_CS(CP_PACKET0(register, ((count) - 1)) | RADEON_ONE_REG_WR); \
 126 } while (0)
 127
 128 #define CP_PACKET3(op, count) \
 129     (RADEON_CP_PACKET3 | (op) | ((count) << 16))
 130
 131 #define OUT_CS_PKT3(op, count) do { \
 132     OUT_CS(CP_PACKET3(op, count)); \
 133 } while (0)
 134
 135 #define OUT_CS_INDEX_RELOC(bo, offset, count, rd, wd, flags) do { \
 136     debug_printf("r300: writing relocation for index buffer %p," \
 137             "offset %d\n", bo, offset); \
 138     assert(bo); \
 139     OUT_CS(offset); \
 140     OUT_CS(count); \
 141     cs_winsys->write_cs_reloc(cs, bo, rd, wd, flags); \
 142     cs_count -= 2; \
 143 } while (0)
 144
 145 #endif /* R300_CS_H */