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/u_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
)
39 struct r300_atom
*atom
;
41 r300_emit_hyperz_end(r300
);
42 r300_emit_query_end(r300
);
43 if (r300
->screen
->caps
.is_r500
)
44 r500_emit_index_bias(r300
, 0);
46 r300
->flush_counter
++;
47 r300
->rws
->cs_flush(r300
->cs
, flags
);
50 /* New kitchen sink, baby. */
51 foreach_atom(r300
, atom
) {
52 if (atom
->state
|| atom
->allow_null_state
) {
53 r300_mark_atom_dirty(r300
, atom
);
56 r300
->vertex_arrays_dirty
= TRUE
;
58 /* Unmark HWTCL state for SWTCL. */
59 if (!r300
->screen
->caps
.has_tcl
) {
60 r300
->vs_state
.dirty
= FALSE
;
61 r300
->vs_constants
.dirty
= FALSE
;
65 void r300_flush(struct pipe_context
*pipe
,
67 struct pipe_fence_handle
**fence
)
69 struct r300_context
*r300
= r300_context(pipe
);
70 struct pb_buffer
**rfence
= (struct pb_buffer
**)fence
;
72 if (r300
->draw
&& !r300
->draw_vbo_locked
)
73 r300_draw_flush_vbuf(r300
);
76 /* Create a fence, which is a dummy BO. */
77 *rfence
= r300
->rws
->buffer_create(r300
->rws
, 1, 1,
80 /* Add the fence as a dummy relocation. */
81 r300
->rws
->cs_add_reloc(r300
->cs
,
82 r300
->rws
->buffer_get_cs_handle(*rfence
),
83 RADEON_DOMAIN_GTT
, RADEON_DOMAIN_GTT
);
87 r300_flush_and_cleanup(r300
, flags
);
90 /* We have to create a fence object, but the command stream is empty
91 * and we cannot emit an empty CS. Let's write to some reg. */
93 OUT_CS_REG(RB3D_COLOR_CHANNEL_MASK
, 0);
94 r300
->rws
->cs_flush(r300
->cs
, flags
);
96 /* Even if hw is not dirty, we should at least reset the CS in case
97 * the space checking failed for the first draw operation. */
98 r300
->rws
->cs_flush(r300
->cs
, flags
);
102 /* Update Hyper-Z status. */
103 if (r300
->num_z_clears
) {
104 r300
->hyperz_time_of_last_flush
= os_time_get();
105 } else if (!r300
->hyperz_time_of_last_flush
> 2000000) {
106 /* 2 seconds without a Z clear pretty much means a dead context
109 r300
->hiz_in_use
= FALSE
;
111 /* Decompress Z buffer. */
112 if (r300
->zmask_in_use
) {
113 if (r300
->locked_zbuffer
) {
114 r300_decompress_zmask_locked(r300
);
116 r300_decompress_zmask(r300
);
119 r300_flush_and_cleanup(r300
, flags
);
122 /* Release HyperZ. */
123 r300
->rws
->cs_request_feature(r300
->cs
, RADEON_FID_R300_HYPERZ_ACCESS
,
126 r300
->num_z_clears
= 0;
129 static void r300_flush_wrapped(struct pipe_context
*pipe
,
130 struct pipe_fence_handle
**fence
)
132 r300_flush(pipe
, 0, fence
);
135 void r300_init_flush_functions(struct r300_context
* r300
)
137 r300
->context
.flush
= r300_flush_wrapped
;