workbench/libs/mesa/src/gallium/state_trackers/vega/api_context.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.  All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sub license, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial portions
  15  * of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  20  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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  22  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  23  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  **************************************************************************/
  26
  27 #include "VG/openvg.h"
  28
  29 #include "vg_manager.h"
  30 #include "vg_context.h"
  31 #include "api.h"
  32
  33 #include "pipe/p_context.h"
  34 #include "pipe/p_screen.h"
  35
  36 VGErrorCode vegaGetError(void)
  37 {
  38    struct vg_context *ctx = vg_current_context();
  39    VGErrorCode error = VG_NO_CONTEXT_ERROR;
  40
  41    if (!ctx)
  42       return error;
  43
  44    error = ctx->_error;
  45    ctx->_error = VG_NO_ERROR;
  46
  47    return error;
  48 }
  49
  50 void vegaFlush(void)
  51 {
  52    struct vg_context *ctx = vg_current_context();
  53    struct pipe_context *pipe;
  54
  55    if (!ctx)
  56       return;
  57
  58    pipe = ctx->pipe;
  59    pipe->flush(pipe, NULL);
  60
  61    vg_manager_flush_frontbuffer(ctx);
  62 }
  63
  64 void vegaFinish(void)
  65 {
  66    struct vg_context *ctx = vg_current_context();
  67    struct pipe_fence_handle *fence = NULL;
  68    struct pipe_context *pipe;
  69
  70    if (!ctx)
  71       return;
  72
  73    pipe = ctx->pipe;
  74
  75    pipe->flush(pipe, &fence);
  76    if (fence) {
  77       pipe->screen->fence_finish(pipe->screen, fence,
  78                                  PIPE_TIMEOUT_INFINITE);
  79       pipe->screen->fence_reference(pipe->screen, &fence, NULL);
  80    }
  81 }