src/mesa/state_tracker/st_cb_condrender.c

   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
  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
 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
 117 void st_init_cond_render_functions(struct dd_function_table *functions)
 118 {
 119    functions->BeginConditionalRender = st_BeginConditionalRender;
 120    functions->EndConditionalRender = st_EndConditionalRender;
 121 }