2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
3 * Copyright 2010 Marek Olšák <maraeo@gmail.com>
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:
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
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. */
24 #include "draw/draw_context.h"
25 #include "draw/draw_private.h"
27 #include "util/simple_list.h"
28 #include "util/u_upload_mgr.h"
30 #include "os/os_time.h"
32 #include "r300_context.h"
34 #include "r300_emit.h"
37 static void r300_flush_and_cleanup(struct r300_context
*r300
, unsigned flags
,
38 struct pipe_fence_handle
**fence
)
40 struct r300_atom
*atom
;
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);
47 /* The DDX doesn't set these regs. */
50 OUT_CS_REG_SEQ(R300_GB_MSPOS0
, 2);
55 r300
->flush_counter
++;
56 r300
->rws
->cs_flush(r300
->cs
, flags
, fence
, 0);
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
);
65 r300
->vertex_arrays_dirty
= TRUE
;
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
;
75 void r300_flush(struct pipe_context
*pipe
,
77 struct pipe_fence_handle
**fence
)
79 struct r300_context
*r300
= r300_context(pipe
);
81 flags
|= RADEON_FLUSH_KEEP_TILING_FLAGS
;
84 r300_flush_and_cleanup(r300
, flags
, fence
);
87 /* We have to create a fence object, but the command stream is empty
88 * and we cannot emit an empty CS. Let's write to some reg. */
90 OUT_CS_REG(RB3D_COLOR_CHANNEL_MASK
, 0);
91 r300
->rws
->cs_flush(r300
->cs
, flags
, fence
, 0);
93 /* Even if hw is not dirty, we should at least reset the CS in case
94 * the space checking failed for the first draw operation. */
95 r300
->rws
->cs_flush(r300
->cs
, flags
, NULL
, 0);
99 /* Update Hyper-Z status. */
100 if (r300
->hyperz_enabled
) {
101 /* If there was a Z clear, keep Hyper-Z access. */
102 if (r300
->num_z_clears
) {
103 r300
->hyperz_time_of_last_flush
= os_time_get();
104 r300
->num_z_clears
= 0;
105 } else if (r300
->hyperz_time_of_last_flush
- os_time_get() > 2000000) {
106 /* If there hasn't been a Z clear for 2 seconds, revoke Hyper-Z access. */
107 r300
->hiz_in_use
= FALSE
;
109 /* Decompress the Z buffer. */
110 if (r300
->zmask_in_use
) {
111 if (r300
->locked_zbuffer
) {
112 r300_decompress_zmask_locked(r300
);
114 r300_decompress_zmask(r300
);
118 r300
->rws
->fence_reference(fence
, NULL
);
119 r300_flush_and_cleanup(r300
, flags
, fence
);
122 /* Revoke Hyper-Z access, so that some other process can take it. */
123 r300
->rws
->cs_request_feature(r300
->cs
, RADEON_FID_R300_HYPERZ_ACCESS
,
125 r300
->hyperz_enabled
= FALSE
;
130 static void r300_flush_wrapped(struct pipe_context
*pipe
,
131 struct pipe_fence_handle
**fence
,
135 flags
& PIPE_FLUSH_END_OF_FRAME
? RADEON_FLUSH_END_OF_FRAME
: 0,
139 void r300_init_flush_functions(struct r300_context
* r300
)
141 r300
->context
.flush
= r300_flush_wrapped
;