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 #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
  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
  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
 104 void st_init_cond_render_functions(struct dd_function_table *functions)
 105 {
 106    functions->BeginConditionalRender = st_BeginConditionalRender;
 107    functions->EndConditionalRender = st_EndConditionalRender;
 108 }