1 /**************************************************************************
2 *
3 * Copyright 2009 VMware, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28
29 /**
30 * glBegin/EndCondtionalRender functions
31 *
32 * \author Brian Paul
33 */
34
35
36
37 #include "main/context.h"
38
39 #include "pipe/p_context.h"
40 #include "pipe/p_defines.h"
41 #include "cso_cache/cso_context.h"
42 #include "st_context.h"
43 #include "st_cb_queryobj.h"
44 #include "st_cb_condrender.h"
45 #include "st_cb_bitmap.h"
46
47
48 /**
49 * Called via ctx->Driver.BeginConditionalRender()
50 */
51 static void
st_BeginConditionalRender(struct gl_context * ctx,struct gl_query_object * q,GLenum mode)52 st_BeginConditionalRender(struct gl_context *ctx, struct gl_query_object *q,
53 GLenum mode)
54 {
55 struct st_query_object *stq = st_query_object(q);
56 struct st_context *st = st_context(ctx);
57 uint m;
58 /* Don't invert the condition for rendering by default */
59 boolean inverted = FALSE;
60
61 st_flush_bitmap_cache(st);
62
63 switch (mode) {
64 case GL_QUERY_WAIT:
65 m = PIPE_RENDER_COND_WAIT;
66 break;
67 case GL_QUERY_NO_WAIT:
68 m = PIPE_RENDER_COND_NO_WAIT;
69 break;
70 case GL_QUERY_BY_REGION_WAIT:
71 m = PIPE_RENDER_COND_BY_REGION_WAIT;
72 break;
73 case GL_QUERY_BY_REGION_NO_WAIT:
74 m = PIPE_RENDER_COND_BY_REGION_NO_WAIT;
75 break;
76 case GL_QUERY_WAIT_INVERTED:
77 m = PIPE_RENDER_COND_WAIT;
78 inverted = TRUE;
79 break;
80 case GL_QUERY_NO_WAIT_INVERTED:
81 m = PIPE_RENDER_COND_NO_WAIT;
82 inverted = TRUE;
83 break;
84 case GL_QUERY_BY_REGION_WAIT_INVERTED:
85 m = PIPE_RENDER_COND_BY_REGION_WAIT;
86 inverted = TRUE;
87 break;
88 case GL_QUERY_BY_REGION_NO_WAIT_INVERTED:
89 m = PIPE_RENDER_COND_BY_REGION_NO_WAIT;
90 inverted = TRUE;
91 break;
92 default:
93 assert(0 && "bad mode in st_BeginConditionalRender");
94 m = PIPE_RENDER_COND_WAIT;
95 }
96
97 cso_set_render_condition(st->cso_context, stq->pq, inverted, m);
98 }
99
100
101 /**
102 * Called via ctx->Driver.EndConditionalRender()
103 */
104 static void
st_EndConditionalRender(struct gl_context * ctx,struct gl_query_object * q)105 st_EndConditionalRender(struct gl_context *ctx, struct gl_query_object *q)
106 {
107 struct st_context *st = st_context(ctx);
108 (void) q;
109
110 st_flush_bitmap_cache(st);
111
112 cso_set_render_condition(st->cso_context, NULL, FALSE, 0);
113 }
114
115
116
st_init_cond_render_functions(struct dd_function_table * functions)117 void st_init_cond_render_functions(struct dd_function_table *functions)
118 {
119 functions->BeginConditionalRender = st_BeginConditionalRender;
120 functions->EndConditionalRender = st_EndConditionalRender;
121 }
122