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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
  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. }
  122.