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 */
51static void
52st_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 */
104static void
105st_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
117void st_init_cond_render_functions(struct dd_function_table *functions)
118{
119   functions->BeginConditionalRender = st_BeginConditionalRender;
120   functions->EndConditionalRender = st_EndConditionalRender;
121}
122