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 #include "main/imports.h"
37 #include "main/context.h"
38
39 #include "pipe/p_context.h"
40 #include "pipe/p_defines.h"
41 #include "st_context.h"
42 #include "st_cb_queryobj.h"
43 #include "st_cb_condrender.h"
44 #include "st_cb_bitmap.h"
45
46
47 /**
48 * Called via ctx->Driver.BeginConditionalRender()
49 */
50 static void
st_BeginConditionalRender(struct gl_context * ctx,struct gl_query_object * q,GLenum mode)51 st_BeginConditionalRender(struct gl_context *ctx, struct gl_query_object *q,
52 GLenum mode)
53 {
54 struct st_query_object *stq = st_query_object(q);
55 struct st_context *st = st_context(ctx);
56 struct pipe_context *pipe = st->pipe;
57 uint m;
58
59 st_flush_bitmap_cache(st);
60
61 switch (mode) {
62 case GL_QUERY_WAIT:
63 m = PIPE_RENDER_COND_WAIT;
64 break;
65 case GL_QUERY_NO_WAIT:
66 m = PIPE_RENDER_COND_NO_WAIT;
67 break;
68 case GL_QUERY_BY_REGION_WAIT:
69 m = PIPE_RENDER_COND_BY_REGION_WAIT;
70 break;
71 case GL_QUERY_BY_REGION_NO_WAIT:
72 m = PIPE_RENDER_COND_BY_REGION_NO_WAIT;
73 break;
74 default:
75 assert(0 && "bad mode in st_BeginConditionalRender");
76 m = PIPE_RENDER_COND_WAIT;
77 }
78
79 st->render_condition = stq->pq;
80 st->condition_mode = m;
81
82 pipe->render_condition(pipe, stq->pq, m);
83 }
84
85
86 /**
87 * Called via ctx->Driver.BeginConditionalRender()
88 */
89 static void
st_EndConditionalRender(struct gl_context * ctx,struct gl_query_object * q)90 st_EndConditionalRender(struct gl_context *ctx, struct gl_query_object *q)
91 {
92 struct st_context *st = st_context(ctx);
93 struct pipe_context *pipe = st->pipe;
94 (void) q;
95
96 st_flush_bitmap_cache(st);
97
98 pipe->render_condition(pipe, NULL, 0);
99 st->render_condition = NULL;
100 }
101
102
103
st_init_cond_render_functions(struct dd_function_table * functions)104 void st_init_cond_render_functions(struct dd_function_table *functions)
105 {
106 functions->BeginConditionalRender = st_BeginConditionalRender;
107 functions->EndConditionalRender = st_EndConditionalRender;
108 }
109