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_manager.h"
  30 #include "vg_context.h"
  31
  32 #include "pipe/p_context.h"
  33 #include "pipe/p_screen.h"
  34
  35 VGErrorCode vgGetError(void)
  36 {
  37    struct vg_context *ctx = vg_current_context();
  38    VGErrorCode error = VG_NO_CONTEXT_ERROR;
  39
  40    if (!ctx)
  41       return error;
  42
  43    error = ctx->_error;
  44    ctx->_error = VG_NO_ERROR;
  45
  46    return error;
  47 }
  48
  49 void vgFlush(void)
  50 {
  51    struct vg_context *ctx = vg_current_context();
  52    struct pipe_context *pipe;
  53
  54    if (!ctx)
  55       return;
  56
  57    pipe = ctx->pipe;
  58    pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
  59
  60    vg_manager_flush_frontbuffer(ctx);
  61 }
  62
  63 void vgFinish(void)
  64 {
  65    struct vg_context *ctx = vg_current_context();
  66    struct pipe_fence_handle *fence = NULL;
  67    struct pipe_context *pipe;
  68
  69    if (!ctx)
  70       return;
  71
  72    pipe = ctx->pipe;
  73
  74    pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, &fence);
  75
  76    pipe->screen->fence_finish(pipe->screen, fence, 0);
  77    pipe->screen->fence_reference(pipe->screen, &fence, NULL);
  78 }