IABSD.fr/xenocara/xserver/glx/renderpix.c

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• Author : matthieu
  Date : 2012-06-10 13:21:05
  Hash : e60da745
  Message : Update to xserver 1.12.2. tested by naddy@, krw@, mpi@.

• xserver/glx/renderpix.c

• /*
   * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
   * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice including the dates of first publication and
   * either this permission notice or a reference to
   * http://oss.sgi.com/projects/FreeB/
   * shall be included in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
   * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
   * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
   * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   *
   * Except as contained in this notice, the name of Silicon Graphics, Inc.
   * shall not be used in advertising or otherwise to promote the sale, use or
   * other dealings in this Software without prior written authorization from
   * Silicon Graphics, Inc.
   */
  
  #ifdef HAVE_DIX_CONFIG_H
  #include <dix-config.h>
  #endif
  
  #include "glxserver.h"
  #include "unpack.h"
  #include "indirect_dispatch.h"
  #include "glapitable.h"
  #include "glapi.h"
  #include "glthread.h"
  #include "dispatch.h"
  
  void
  __glXDisp_SeparableFilter2D(GLbyte * pc)
  {
      __GLXdispatchConvolutionFilterHeader *hdr =
          (__GLXdispatchConvolutionFilterHeader *) pc;
      GLint hdrlen, image1len;
  
      hdrlen = __GLX_PAD(__GLX_CONV_FILT_CMD_DISPATCH_HDR_SIZE);
  
      CALL_PixelStorei(GET_DISPATCH(), (GL_UNPACK_SWAP_BYTES, hdr->swapBytes));
      CALL_PixelStorei(GET_DISPATCH(), (GL_UNPACK_LSB_FIRST, hdr->lsbFirst));
      CALL_PixelStorei(GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH, hdr->rowLength));
      CALL_PixelStorei(GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, hdr->skipRows));
      CALL_PixelStorei(GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, hdr->skipPixels));
      CALL_PixelStorei(GET_DISPATCH(), (GL_UNPACK_ALIGNMENT, hdr->alignment));
  
      /* XXX check this usage - internal code called
       ** a version without the packing parameters
       */
      image1len = __glXImageSize(hdr->format, hdr->type, 0, hdr->width, 1, 1,
                                 0, hdr->rowLength, 0, hdr->skipRows,
                                 hdr->alignment);
      image1len = __GLX_PAD(image1len);
  
      CALL_SeparableFilter2D(GET_DISPATCH(), (hdr->target, hdr->internalformat,
                                              hdr->width, hdr->height,
                                              hdr->format, hdr->type,
                                              ((GLubyte *) hdr + hdrlen),
                                              ((GLubyte *) hdr + hdrlen +
                                               image1len)));
  }