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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>
*/
#include <dix-config.h>
#include "glxserver.h"
#include "glxbyteorder.h"
#include "glxext.h"
#include "singlesize.h"
#include "unpack.h"
#include "indirect_size_get.h"
#include "indirect_dispatch.h"
/**
* Handle both types of glGetProgramString calls.
*/
static int
DoGetProgramString(struct __GLXclientStateRec *cl, GLbyte * pc,
PFNGLGETPROGRAMIVARBPROC get_programiv,
PFNGLGETPROGRAMSTRINGARBPROC get_program_string,
Bool do_swap)
{
xGLXVendorPrivateWithReplyReq *const req =
(xGLXVendorPrivateWithReplyReq *) pc;
int error;
__GLXcontext *const cx = __glXForceCurrent(cl, req->contextTag, &error);
ClientPtr client = cl->client;
REQUEST_FIXED_SIZE(xGLXVendorPrivateWithReplyReq, 8);
pc += __GLX_VENDPRIV_HDR_SIZE;
if (cx != NULL) {
GLenum target;
GLenum pname;
GLint compsize = 0;
char *answer = NULL, answerBuffer[200];
xGLXSingleReply reply = { 0, };
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.
*/
get_programiv(target, GL_PROGRAM_LENGTH_ARB, &compsize);
if (compsize != 0) {
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
__glXClearErrorOccured();
get_program_string(target, pname, (GLubyte *) answer);
}
if (__glXErrorOccured()) {
__GLX_BEGIN_REPLY(0);
__GLX_SEND_HEADER();
}
else {
__GLX_BEGIN_REPLY(compsize);
((xGLXGetTexImageReply *) &reply)->width = compsize;
__GLX_SEND_HEADER();
__GLX_SEND_VOID_ARRAY(compsize);
}
error = Success;
}
return error;
}
int
__glXDisp_GetProgramStringARB(struct __GLXclientStateRec *cl, GLbyte * pc)
{
PFNGLGETPROGRAMIVARBPROC get_program =
__glGetProcAddress("glGetProgramivARB");
PFNGLGETPROGRAMSTRINGARBPROC get_program_string =
__glGetProcAddress("glGetProgramStringARB");
return DoGetProgramString(cl, pc, get_program, get_program_string, FALSE);
}
int
__glXDispSwap_GetProgramStringARB(struct __GLXclientStateRec *cl, GLbyte * pc)
{
PFNGLGETPROGRAMIVARBPROC get_program =
__glGetProcAddress("glGetProgramivARB");
PFNGLGETPROGRAMSTRINGARBPROC get_program_string =
__glGetProcAddress("glGetProgramStringARB");
return DoGetProgramString(cl, pc, get_program, get_program_string, TRUE);
}
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