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/*
* (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>
*/
#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"
#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);
}
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