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

Branch : - branch - master - tag -

• Show log

  Commit

• Author : matthieu
  Date : 2008-11-02 15:26:08
  Hash : 60021fe9
  Message : xserver 1.5.2. tested by ckuethe@, oga@, and others.

• xserver/glx/indirect_texture_compression.c

• /*
   * (C) Copyright IBM Corporation 2005, 2006
   * 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, sub license,
   * 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 and this permission notice (including the next
   * paragraph) 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 NON-INFRINGEMENT.  IN NO EVENT SHALL
   * IBM,
   * AND/OR THEIR SUPPLIERS 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.
   */
  
  #define NEED_REPLIES
  #ifdef HAVE_DIX_CONFIG_H
  #include <dix-config.h>
  #endif
  
  #include "glxserver.h"
  #include "glxbyteorder.h"
  #include "glxext.h"
  #include "singlesize.h"
  #include "unpack.h"
  #include "indirect_size_get.h"
  #include "indirect_dispatch.h"
  #include "glapitable.h"
  #include "glapi.h"
  #include "glthread.h"
  #include "dispatch.h"
  
  int __glXDisp_GetCompressedTexImageARB(struct __GLXclientStateRec *cl, GLbyte *pc)
  {
      xGLXSingleReq * const req = (xGLXSingleReq *) pc;
      int error;
      __GLXcontext * const cx = __glXForceCurrent( cl, req->contextTag, & error );
      ClientPtr client = cl->client;
  
  
      pc += __GLX_SINGLE_HDR_SIZE;
      if ( cx != NULL ) {
  	const GLenum target = *(GLenum *)(pc + 0);
  	const GLint  level  = *(GLint  *)(pc + 4);
  	GLint compsize = 0;
  	char *answer, answerBuffer[200];
  
  	CALL_GetTexLevelParameteriv(GET_DISPATCH(), (target, level, GL_TEXTURE_COMPRESSED_IMAGE_SIZE, &compsize));
  
  	if ( compsize != 0 ) {
  	    __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
  	    __glXClearErrorOccured();
  	    CALL_GetCompressedTexImageARB(GET_DISPATCH(), (target, level, answer));
  	}
  
  	if (__glXErrorOccured()) {
  	    __GLX_BEGIN_REPLY(0);
  	    __GLX_SEND_HEADER();
  	} else {
  	    __GLX_BEGIN_REPLY(compsize);
  	    ((xGLXGetTexImageReply *)&__glXReply)->width = compsize;
  	    __GLX_SEND_HEADER();
  	    __GLX_SEND_VOID_ARRAY(compsize);
  	}
  
  	error = Success;
      }
  
      return error;
  }
  
  
  int __glXDispSwap_GetCompressedTexImageARB(struct __GLXclientStateRec *cl, GLbyte *pc)
  {
      xGLXSingleReq * const req = (xGLXSingleReq *) pc;
      int error;
      __GLXcontext * const cx = __glXForceCurrent( cl, bswap_32( req->contextTag ), & error );
      ClientPtr client = cl->client;
  
  
      pc += __GLX_SINGLE_HDR_SIZE;
      if ( cx != NULL ) {
  	const GLenum target = (GLenum) bswap_32( *(int *)(pc + 0) );
  	const GLint  level =  (GLint ) bswap_32( *(int *)(pc + 4) );
  	GLint compsize = 0;
  	char *answer, answerBuffer[200];
  
  	CALL_GetTexLevelParameteriv(GET_DISPATCH(), (target, level, GL_TEXTURE_COMPRESSED_IMAGE_SIZE, &compsize));
  
  	if ( compsize != 0 ) {
  	    __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
  	    __glXClearErrorOccured();
  	    CALL_GetCompressedTexImageARB(GET_DISPATCH(), (target, level, answer));
  	}
  
  	if (__glXErrorOccured()) {
  	    __GLX_BEGIN_REPLY(0);
  	    __GLX_SEND_HEADER();
  	} else {
  	    __GLX_BEGIN_REPLY(compsize);
  	    ((xGLXGetTexImageReply *)&__glXReply)->width = compsize;
  	    __GLX_SEND_HEADER();
  	    __GLX_SEND_VOID_ARRAY(compsize);
  	}
  	
  	error = Success;
      }
  
      return error;
  }