src/mesa/drivers/dri/r600/r700_ioctl.c

   1 /*
   2  * Copyright (C) 2008-2009  Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included
  12  * in all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  15  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  18  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  19  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20  */
  21
  22 /*
  23  * Authors:
  24  *   Richard Li <RichardZ.Li@amd.com>, <richardradeon@gmail.com>
  25  */
  26
  27 #include <sched.h>
  28 #include <errno.h>
  29
  30 #include "main/glheader.h"
  31 #include "main/imports.h"
  32 #include "main/macros.h"
  33 #include "main/context.h"
  34 #include "swrast/swrast.h"
  35
  36 #include "radeon_common.h"
  37 #include "radeon_lock.h"
  38 #include "r600_context.h"
  39
  40 #include "r700_ioctl.h"
  41 #include "r700_clear.h"
  42
  43 static void r700Flush(GLcontext *ctx)
  44 {
  45         radeonContextPtr radeon = RADEON_CONTEXT(ctx);
  46
  47         if (RADEON_DEBUG & DEBUG_IOCTL)
  48                 fprintf(stderr, "%s %d\n", __FUNCTION__, radeon->cmdbuf.cs->cdw);
  49
  50         /* okay if we have no cmds in the buffer &&
  51            we have no DMA flush &&
  52            we have no DMA buffer allocated.
  53            then no point flushing anything at all.
  54         */
  55         if (!radeon->dma.flush && !radeon->cmdbuf.cs->cdw && !radeon->dma.current)
  56                 return;
  57
  58         if (radeon->dma.flush)
  59                 radeon->dma.flush( ctx );
  60
  61         r700EmitState(ctx);
  62
  63         if (radeon->cmdbuf.cs->cdw)
  64                 rcommonFlushCmdBuf(radeon, __FUNCTION__);
  65 }
  66
  67 void r700InitIoctlFuncs(struct dd_function_table *functions)
  68 {
  69         functions->Clear = r700Clear;
  70         functions->Finish = radeonFinish;
  71         functions->Flush = r700Flush;
  72 }