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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 "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