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
  21  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  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_context.h"
  30
  31 #include "pipe/p_context.h"
  32 #include "pipe/p_screen.h"
  33
  34 VGErrorCode vgGetError(void)
  35 {
  36    struct vg_context *ctx = vg_current_context();
  37    VGErrorCode error = VG_NO_CONTEXT_ERROR;
  38
  39    if (!ctx)
  40       return error;
  41
  42    error = ctx->_error;
  43    ctx->_error = VG_NO_ERROR;
  44
  45    return error;
  46 }
  47
  48 void vgFlush(void)
  49 {
  50    struct vg_context *ctx = vg_current_context();
  51    struct pipe_context *pipe;
  52
  53    if (!ctx)
  54       return;
  55
  56    pipe = ctx->pipe;
  57    pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
  58 }
  59
  60 void vgFinish(void)
  61 {
  62    struct vg_context *ctx = vg_current_context();
  63    struct pipe_fence_handle *fence = NULL;
  64    struct pipe_context *pipe;
  65
  66    if (!ctx)
  67       return;
  68
  69    pipe = ctx->pipe;
  70
  71    pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, &fence);
  72
  73    pipe->screen->fence_finish(pipe->screen, fence, 0);
  74    pipe->screen->fence_reference(pipe->screen, &fence, NULL);
  75 }