1/*
2 * Copyright 2012 Advanced Micro Devices, Inc.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25#ifndef SI_PM4_H
26#define SI_PM4_H
27
28#include "radeon/radeon_winsys.h"
29
30#ifdef __cplusplus
31extern "C" {
32#endif
33
34#define SI_PM4_MAX_DW 176
35
36// forward defines
37struct si_context;
38
39/* State atoms are callbacks which write a sequence of packets into a GPU
40 * command buffer (AKA indirect buffer, AKA IB, AKA command stream, AKA CS).
41 */
42struct si_atom {
43   void (*emit)(struct si_context *ctx);
44};
45
46struct si_pm4_state {
47   /* PKT3_SET_*_REG handling */
48   unsigned last_opcode;
49   unsigned last_reg;
50   unsigned last_pm4;
51
52   /* commands for the DE */
53   unsigned ndw;
54   uint32_t pm4[SI_PM4_MAX_DW];
55
56   /* For shader states only */
57   bool is_shader;
58   struct si_atom atom;
59};
60
61void si_pm4_cmd_add(struct si_pm4_state *state, uint32_t dw);
62void si_pm4_set_reg(struct si_pm4_state *state, unsigned reg, uint32_t val);
63
64void si_pm4_clear_state(struct si_pm4_state *state);
65void si_pm4_free_state(struct si_context *sctx, struct si_pm4_state *state, unsigned idx);
66
67void si_pm4_emit(struct si_context *sctx, struct si_pm4_state *state);
68void si_pm4_reset_emitted(struct si_context *sctx, bool first_cs);
69
70#ifdef __cplusplus
71}
72#endif
73
74#endif
75