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