1 /*
2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
3 * Copyright 2010 Marek Olšák <maraeo@gmail.com>
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 #include "draw/draw_context.h"
25 #include "draw/draw_private.h"
26
27 #include "util/simple_list.h"
28 #include "util/u_upload_mgr.h"
29
30 #include "util/os_time.h"
31
32 #include "r300_context.h"
33 #include "r300_cs.h"
34 #include "r300_emit.h"
35
36
r300_flush_and_cleanup(struct r300_context * r300,unsigned flags,struct pipe_fence_handle ** fence)37 static void r300_flush_and_cleanup(struct r300_context *r300, unsigned flags,
38 struct pipe_fence_handle **fence)
39 {
40 struct r300_atom *atom;
41
42 r300_emit_hyperz_end(r300);
43 r300_emit_query_end(r300);
44 if (r300->screen->caps.is_r500)
45 r500_emit_index_bias(r300, 0);
46
47 /* The DDX doesn't set these regs. */
48 {
49 CS_LOCALS(r300);
50 OUT_CS_REG_SEQ(R300_GB_MSPOS0, 2);
51 OUT_CS(0x66666666);
52 OUT_CS(0x6666666);
53 }
54
55 r300->flush_counter++;
56 r300->rws->cs_flush(&r300->cs, flags, fence);
57 r300->dirty_hw = 0;
58
59 /* New kitchen sink, baby. */
60 foreach_atom(r300, atom) {
61 if (atom->state || atom->allow_null_state) {
62 r300_mark_atom_dirty(r300, atom);
63 }
64 }
65 r300->vertex_arrays_dirty = TRUE;
66
67 /* Unmark HWTCL state for SWTCL. */
68 if (!r300->screen->caps.has_tcl) {
69 r300->vs_state.dirty = FALSE;
70 r300->vs_constants.dirty = FALSE;
71 r300->clip_state.dirty = FALSE;
72 }
73 }
74
r300_flush(struct pipe_context * pipe,unsigned flags,struct pipe_fence_handle ** fence)75 void r300_flush(struct pipe_context *pipe,
76 unsigned flags,
77 struct pipe_fence_handle **fence)
78 {
79 struct r300_context *r300 = r300_context(pipe);
80
81 if (r300->dirty_hw) {
82 r300_flush_and_cleanup(r300, flags, fence);
83 } else {
84 if (fence) {
85 /* We have to create a fence object, but the command stream is empty
86 * and we cannot emit an empty CS. Let's write to some reg. */
87 CS_LOCALS(r300);
88 OUT_CS_REG(RB3D_COLOR_CHANNEL_MASK, 0);
89 r300->rws->cs_flush(&r300->cs, flags, fence);
90 } else {
91 /* Even if hw is not dirty, we should at least reset the CS in case
92 * the space checking failed for the first draw operation. */
93 r300->rws->cs_flush(&r300->cs, flags, NULL);
94 }
95 }
96
97 /* Update Hyper-Z status. */
98 if (r300->hyperz_enabled) {
99 /* If there was a Z clear, keep Hyper-Z access. */
100 if (r300->num_z_clears) {
101 r300->hyperz_time_of_last_flush = os_time_get();
102 r300->num_z_clears = 0;
103 } else if (r300->hyperz_time_of_last_flush - os_time_get() > 2000000) {
104 /* If there hasn't been a Z clear for 2 seconds, revoke Hyper-Z access. */
105 r300->hiz_in_use = FALSE;
106
107 /* Decompress the Z buffer. */
108 if (r300->zmask_in_use) {
109 if (r300->locked_zbuffer) {
110 r300_decompress_zmask_locked(r300);
111 } else {
112 r300_decompress_zmask(r300);
113 }
114
115 if (fence && *fence)
116 r300->rws->fence_reference(fence, NULL);
117 r300_flush_and_cleanup(r300, flags, fence);
118 }
119
120 /* Revoke Hyper-Z access, so that some other process can take it. */
121 r300->rws->cs_request_feature(&r300->cs, RADEON_FID_R300_HYPERZ_ACCESS,
122 FALSE);
123 r300->hyperz_enabled = FALSE;
124 }
125 }
126 }
127
r300_flush_wrapped(struct pipe_context * pipe,struct pipe_fence_handle ** fence,unsigned flags)128 static void r300_flush_wrapped(struct pipe_context *pipe,
129 struct pipe_fence_handle **fence,
130 unsigned flags)
131 {
132 if (flags & PIPE_FLUSH_HINT_FINISH)
133 flags &= ~PIPE_FLUSH_ASYNC;
134
135 r300_flush(pipe, flags, fence);
136 }
137
r300_init_flush_functions(struct r300_context * r300)138 void r300_init_flush_functions(struct r300_context* r300)
139 {
140 r300->context.flush = r300_flush_wrapped;
141 }
142