/* * (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 * THE COPYRIGHT HOLDERS, THE AUTHORS, 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. */ /** * \file indirect_program.c * Hand-coded routines needed to support programmable pipeline extensions. * * \author Ian Romanick <idr@us.ibm.com> */ #define NEED_REPLIES #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> #else #include "glheader.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" #include "glapioffsets.h" static int DoGetProgramString(struct __GLXclientStateRec *cl, GLbyte *pc, unsigned get_programiv_offset, unsigned get_program_string_offset, Bool do_swap); /** * Handle both types of glGetProgramString calls. * * This single function handles both \c glGetProgramStringARB and * \c glGetProgramStringNV. The dispatch offsets for the functions to use * for \c glGetProgramivARB and \c glGetProgramStringARB are passed in by the * caller. These can be the offsets of either the ARB versions or the NV * versions. */ int DoGetProgramString(struct __GLXclientStateRec *cl, GLbyte *pc, unsigned get_programiv_offset, unsigned get_program_string_offset, Bool do_swap) { xGLXVendorPrivateWithReplyReq * const req = (xGLXVendorPrivateWithReplyReq *) pc; int error; __GLXcontext * const cx = __glXForceCurrent(cl, req->contextTag, & error); ClientPtr client = cl->client; pc += __GLX_VENDPRIV_HDR_SIZE; if (cx != NULL) { GLenum target; GLenum pname; GLint compsize = 0; char *answer = NULL, answerBuffer[200]; if (do_swap) { target = (GLenum) bswap_32(*(int *)(pc + 0)); pname = (GLenum) bswap_32(*(int *)(pc + 4)); } else { target = *(GLenum *)(pc + 0); pname = *(GLuint *)(pc + 4); } /* The value of the GL_PROGRAM_LENGTH_ARB and GL_PROGRAM_LENGTH_NV * enumerants is the same. */ CALL_by_offset(GET_DISPATCH(), (void (GLAPIENTRYP)(GLuint, GLenum, GLint *)), get_programiv_offset, (target, GL_PROGRAM_LENGTH_ARB, &compsize)); if (compsize != 0) { __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1); __glXClearErrorOccured(); CALL_by_offset(GET_DISPATCH(), (void (GLAPIENTRYP)(GLuint, GLenum, GLubyte *)), get_program_string_offset, (target, pname, 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 __glXDisp_GetProgramStringARB(struct __GLXclientStateRec *cl, GLbyte *pc) { return DoGetProgramString(cl, pc, _gloffset_GetProgramivARB, _gloffset_GetProgramStringARB, False); } int __glXDispSwap_GetProgramStringARB(struct __GLXclientStateRec *cl, GLbyte *pc) { return DoGetProgramString(cl, pc, _gloffset_GetProgramivARB, _gloffset_GetProgramStringARB, True); } int __glXDisp_GetProgramStringNV(struct __GLXclientStateRec *cl, GLbyte *pc) { return DoGetProgramString(cl, pc, _gloffset_GetProgramivNV, _gloffset_GetProgramStringNV, False); } int __glXDispSwap_GetProgramStringNV(struct __GLXclientStateRec *cl, GLbyte *pc) { return DoGetProgramString(cl, pc, _gloffset_GetProgramivNV, _gloffset_GetProgramStringNV, True); }