2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
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:
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
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. */
24 * This file contains macros for immediate command submission.
31 #include "r300_context.h"
32 #include "r300_winsys.h"
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. */
45 * Command submission setup.
48 #define CS_LOCALS(context) \
49 struct r300_winsys_cs *cs_copy = (context)->cs; \
50 struct r300_winsys_screen *cs_winsys = (context)->rws; \
51 int cs_count = 0; (void) cs_count; (void) cs_winsys;
53 #define BEGIN_CS(size) do { \
54 assert(size <= (cs_copy->ndw - cs_copy->cdw)); \
55 CS_DEBUG(cs_count = size;) \
61 debug_printf("r300: Warning: cs_count off by %d at (%s, %s:%i)\n", \
62 cs_count, __FUNCTION__, __FILE__, __LINE__); \
71 * Writing pure DWORDs.
74 #define OUT_CS(value) do { \
75 cs_copy->ptr[cs_copy->cdw++] = (value); \
76 CS_DEBUG(cs_count--;) \
79 #define OUT_CS_32F(value) \
82 #define OUT_CS_REG(register, value) do { \
83 OUT_CS(CP_PACKET0(register, 0)); \
87 /* Note: This expects count to be the number of registers,
88 * not the actual packet0 count! */
89 #define OUT_CS_REG_SEQ(register, count) \
90 OUT_CS(CP_PACKET0((register), ((count) - 1)))
92 #define OUT_CS_ONE_REG(register, count) \
93 OUT_CS(CP_PACKET0((register), ((count) - 1)) | RADEON_ONE_REG_WR)
95 #define OUT_CS_PKT3(op, count) \
96 OUT_CS(CP_PACKET3(op, count))
98 #define OUT_CS_TABLE(values, count) do { \
99 memcpy(cs_copy->ptr + cs_copy->cdw, values, count * 4); \
100 cs_copy->cdw += count; \
101 CS_DEBUG(cs_count -= count;) \
106 * Writing relocations.
109 #define OUT_CS_RELOC(bo, offset, rd, wd) do { \
112 cs_winsys->cs_write_reloc(cs_copy, bo, rd, wd); \
113 CS_DEBUG(cs_count -= 2;) \
116 #define OUT_CS_BUF_RELOC(bo, offset, rd, wd) do { \
118 OUT_CS_RELOC(r300_buffer(bo)->buf, offset, rd, wd); \
121 #define OUT_CS_TEX_RELOC(tex, offset, rd, wd) do { \
123 OUT_CS_RELOC(tex->buffer, offset, rd, wd); \
126 #define OUT_CS_BUF_RELOC_NO_OFFSET(bo, rd, wd) do { \
128 cs_winsys->cs_write_reloc(cs_copy, r300_buffer(bo)->buf, rd, wd); \
129 CS_DEBUG(cs_count -= 2;) \
134 * Command buffer emission.
137 #define WRITE_CS_TABLE(values, count) do { \
138 CS_DEBUG(assert(cs_count == 0);) \
139 memcpy(cs_copy->ptr + cs_copy->cdw, (values), (count) * 4); \
140 cs_copy->cdw += (count); \
143 #endif /* R300_CS_H */