1 /**********************************************************
2 * Copyright 2014 VMware, Inc. All rights reserved.
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 **********************************************************/
26 #include "draw/draw_context.h"
27 #include "util/u_inlines.h"
28 #include "util/u_memory.h"
29 #include "util/u_bitmask.h"
30 #include "tgsi/tgsi_parse.h"
31 #include "tgsi/tgsi_text.h"
33 #include "svga_context.h"
35 #include "svga_debug.h"
36 #include "svga_shader.h"
37 #include "svga_streamout.h"
40 svga_create_gs_state(struct pipe_context
*pipe
,
41 const struct pipe_shader_state
*templ
)
43 struct svga_context
*svga
= svga_context(pipe
);
44 struct svga_geometry_shader
*gs
= CALLOC_STRUCT(svga_geometry_shader
);
49 SVGA_STATS_TIME_PUSH(svga_sws(svga
), SVGA_STATS_TIME_CREATEGS
);
51 gs
->base
.tokens
= tgsi_dup_tokens(templ
->tokens
);
53 /* Collect basic info that we'll need later:
55 tgsi_scan_shader(gs
->base
.tokens
, &gs
->base
.info
);
57 gs
->draw_shader
= draw_create_geometry_shader(svga
->swtnl
.draw
, templ
);
59 gs
->base
.id
= svga
->debug
.shader_id
++;
61 gs
->generic_outputs
= svga_get_generic_outputs_mask(&gs
->base
.info
);
63 /* check for any stream output declarations */
64 if (templ
->stream_output
.num_outputs
) {
65 gs
->base
.stream_output
= svga_create_stream_output(svga
, &gs
->base
,
66 &templ
->stream_output
);
69 SVGA_STATS_TIME_POP(svga_sws(svga
));
75 svga_bind_gs_state(struct pipe_context
*pipe
, void *shader
)
77 struct svga_geometry_shader
*gs
= (struct svga_geometry_shader
*)shader
;
78 struct svga_context
*svga
= svga_context(pipe
);
80 svga
->curr
.user_gs
= gs
;
81 svga
->dirty
|= SVGA_NEW_GS
;
86 svga_delete_gs_state(struct pipe_context
*pipe
, void *shader
)
88 struct svga_context
*svga
= svga_context(pipe
);
89 struct svga_geometry_shader
*gs
= (struct svga_geometry_shader
*)shader
;
90 struct svga_geometry_shader
*next_gs
;
91 struct svga_shader_variant
*variant
, *tmp
;
94 svga_hwtnl_flush_retry(svga
);
96 /* Start deletion from the original geometry shader state */
97 if (gs
->base
.parent
!= NULL
)
98 gs
= (struct svga_geometry_shader
*)gs
->base
.parent
;
100 /* Free the list of geometry shaders */
102 next_gs
= (struct svga_geometry_shader
*)gs
->base
.next
;
104 if (gs
->base
.stream_output
!= NULL
)
105 svga_delete_stream_output(svga
, gs
->base
.stream_output
);
107 draw_delete_geometry_shader(svga
->swtnl
.draw
, gs
->draw_shader
);
109 for (variant
= gs
->base
.variants
; variant
; variant
= tmp
) {
112 /* Check if deleting currently bound shader */
113 if (variant
== svga
->state
.hw_draw
.gs
) {
114 ret
= svga_set_shader(svga
, SVGA3D_SHADERTYPE_GS
, NULL
);
115 if (ret
!= PIPE_OK
) {
116 svga_context_flush(svga
, NULL
);
117 ret
= svga_set_shader(svga
, SVGA3D_SHADERTYPE_GS
, NULL
);
118 assert(ret
== PIPE_OK
);
120 svga
->state
.hw_draw
.gs
= NULL
;
123 ret
= svga_destroy_shader_variant(svga
, SVGA3D_SHADERTYPE_GS
, variant
);
124 if (ret
!= PIPE_OK
) {
125 svga_context_flush(svga
, NULL
);
126 ret
= svga_destroy_shader_variant(svga
, SVGA3D_SHADERTYPE_GS
,
128 assert(ret
== PIPE_OK
);
132 FREE((void *)gs
->base
.tokens
);
140 svga_init_gs_functions(struct svga_context
*svga
)
142 svga
->pipe
.create_gs_state
= svga_create_gs_state
;
143 svga
->pipe
.bind_gs_state
= svga_bind_gs_state
;
144 svga
->pipe
.delete_gs_state
= svga_delete_gs_state
;