workbench/libs/mesa/mesa3dgl_glaswapbuffers.c

   1 /*
   2     Copyright © 2009-2019, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <aros/debug.h>
   7
   8 #include "util/os_misc.h"
   9 #include "pipe/p_defines.h"
  10 #include "pipe/p_screen.h"
  11 #include "pipe/p_state.h"
  12
  13 #include "util/u_inlines.h"
  14
  15
  16 #include <proto/exec.h>
  17 #include <proto/gallium.h>
  18
  19 #include "mesa3dgl_types.h"
  20 #include "mesa3dgl_support.h"
  21 #include "mesa3dgl_gallium.h"
  22
  23
  24 /*****************************************************************************
  25
  26     NAME */
  27
  28       void glASwapBuffers(
  29
  30 /*  SYNOPSIS */
  31       GLAContext ctx)
  32
  33 /*  FUNCTION
  34         Swaps the back with front buffers. MUST BE used to display the effect
  35         of rendering onto the target RastPort, since GLA always work in
  36         double buffer mode.
  37
  38     INPUTS
  39         ctx - GL rendering context on which swap is to be performed.
  40
  41     RESULT
  42
  43     BUGS
  44
  45     INTERNALS
  46
  47     HISTORY
  48
  49 *****************************************************************************/
  50 {
  51     struct mesa3dgl_context *_ctx = (struct mesa3dgl_context *)ctx;
  52
  53     D(bug("[MESA3DGL] %s()\n", __func__));
  54
  55     if (_ctx->framebuffer->render_resource)
  56     {
  57         /* Flush rendering cache before blitting */
  58         _ctx->st->flush(_ctx->st, ST_FLUSH_FRONT, NULL);
  59
  60         BltPipeResourceRastPort(_ctx->driver, _ctx->framebuffer->render_resource, 0, 0,
  61             _ctx->visible_rp, _ctx->left, _ctx->top,
  62             _ctx->framebuffer->width, _ctx->framebuffer->height);
  63     }
  64
  65     MESA3DGLCheckAndUpdateBufferSize(_ctx);
  66 }