xenocara/xserver/hw/kdrive/ephyr/ephyrglxext.c

724 lines
22 KiB
C

/*
* Xephyr - A kdrive X server thats runs in a host X window.
* Authored by Matthew Allum <mallum@openedhand.com>
*
* Copyright © 2007 OpenedHand Ltd
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of OpenedHand Ltd not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. OpenedHand Ltd makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL OpenedHand Ltd BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*
* Authors:
* Dodji Seketeli <dodji@openedhand.com>
*/
#ifdef HAVE_CONFIG_H
#include <kdrive-config.h>
#endif
#include "extnsionst.h"
#include "ephyrglxext.h"
#include "ephyrhostglx.h"
#define _HAVE_XALLOC_DECLS
#include "ephyrlog.h"
#include <GL/glxproto.h>
#include "glx/glxserver.h"
#include "glx/indirect_table.h"
#include "glx/indirect_util.h"
#include "glx/unpack.h"
#include "hostx.h"
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
int ephyrGLXQueryVersion (__GLXclientState *cl, GLbyte *pc) ;
int ephyrGLXQueryVersionSwap (__GLXclientState *cl, GLbyte *pc) ;
int ephyrGLXGetVisualConfigs (__GLXclientState *cl, GLbyte *pc) ;
int ephyrGLXGetVisualConfigsSwap (__GLXclientState *cl, GLbyte *pc) ;
int ephyrGLXClientInfo(__GLXclientState *cl, GLbyte *pc) ;
int ephyrGLXClientInfoSwap(__GLXclientState *cl, GLbyte *pc) ;
int ephyrGLXQueryServerString(__GLXclientState *a_cl, GLbyte *a_pc) ;
int ephyrGLXQueryServerStringSwap(__GLXclientState *a_cl, GLbyte *a_pc) ;
int ephyrGLXGetFBConfigsSGIX (__GLXclientState *a_cl, GLbyte *a_pc);
int ephyrGLXGetFBConfigsSGIXSwap (__GLXclientState *a_cl, GLbyte *a_pc);
int ephyrGLXCreateContext (__GLXclientState *a_cl, GLbyte *a_pc);
int ephyrGLXCreateContextSwap (__GLXclientState *a_cl, GLbyte *a_pc);
int ephyrGLXDestroyContext (__GLXclientState *a_cl, GLbyte *a_pc) ;
int ephyrGLXDestroyContextSwap (__GLXclientState *a_cl, GLbyte *a_pc) ;
int ephyrGLXMakeCurrent (__GLXclientState *a_cl, GLbyte *a_pc) ;
int ephyrGLXMakeCurrentSwap (__GLXclientState *a_cl, GLbyte *a_pc) ;
int ephyrGLXGetString (__GLXclientState *a_cl, GLbyte *a_pc) ;
int ephyrGLXGetStringSwap (__GLXclientState *a_cl, GLbyte *a_pc) ;
int ephyrGLXGetIntegerv (__GLXclientState *a_cl, GLbyte *a_pc) ;
int ephyrGLXGetIntegervSwap (__GLXclientState *a_cl, GLbyte *a_pc) ;
int ephyrGLXIsDirect (__GLXclientState *a_cl, GLbyte *a_pc) ;
int ephyrGLXIsDirectSwap (__GLXclientState *a_cl, GLbyte *a_pc) ;
Bool
ephyrHijackGLXExtension (void)
{
const void *(*dispatch_functions)[2];
if (!hostx_has_glx ()) {
EPHYR_LOG ("host X does not have GLX\n") ;
return FALSE ;
}
EPHYR_LOG ("host X does have GLX\n") ;
if (!Single_dispatch_info.dispatch_functions) {
EPHYR_LOG_ERROR ("could not get dispatch functions table\n") ;
return FALSE ;
}
/*
* hijack some single entry point dispatch functions
*/
dispatch_functions = Single_dispatch_info.dispatch_functions ;
EPHYR_RETURN_VAL_IF_FAIL (dispatch_functions, FALSE) ;
dispatch_functions[X_GLXQueryVersion][0] = ephyrGLXQueryVersion ;
dispatch_functions[X_GLXQueryVersion][1] = ephyrGLXQueryVersionSwap ;
dispatch_functions[X_GLXGetVisualConfigs][0] = ephyrGLXGetVisualConfigs ;
dispatch_functions[X_GLXGetVisualConfigs][1] = ephyrGLXGetVisualConfigsSwap ;
dispatch_functions[X_GLXClientInfo][0] = ephyrGLXClientInfo ;
dispatch_functions[X_GLXClientInfo][1] = ephyrGLXClientInfoSwap ;
dispatch_functions[X_GLXQueryServerString][0] = ephyrGLXQueryServerString ;
dispatch_functions[X_GLXQueryServerString][1] =
ephyrGLXQueryServerStringSwap ;
dispatch_functions[X_GLXCreateContext][0] = ephyrGLXCreateContext ;
dispatch_functions[X_GLXCreateContext][1] = ephyrGLXCreateContextSwap ;
dispatch_functions[X_GLXDestroyContext][0] = ephyrGLXDestroyContext ;
dispatch_functions[X_GLXDestroyContext][1] = ephyrGLXDestroyContextSwap ;
dispatch_functions[X_GLXMakeCurrent][0] = ephyrGLXMakeCurrent ;
dispatch_functions[X_GLXMakeCurrent][1] = ephyrGLXMakeCurrentSwap ;
dispatch_functions[X_GLXIsDirect][0] = ephyrGLXIsDirect ;
dispatch_functions[X_GLXIsDirect][1] = ephyrGLXIsDirectSwap ;
dispatch_functions[73][0] = ephyrGLXGetString ;
dispatch_functions[73][1] = ephyrGLXGetStringSwap ;
dispatch_functions[61][0] = ephyrGLXGetIntegerv ;
dispatch_functions[61][1] = ephyrGLXGetIntegervSwap ;
/*
* hijack some vendor priv entry point dispatch functions
*/
dispatch_functions = VendorPriv_dispatch_info.dispatch_functions ;
dispatch_functions[92][0] = ephyrGLXGetFBConfigsSGIX;
dispatch_functions[92][1] = ephyrGLXGetFBConfigsSGIXSwap;
EPHYR_LOG ("hijacked glx entry points to forward requests to host X\n") ;
return TRUE ;
}
/*********************
* implementation of
* hijacked GLX entry
* points
********************/
int
ephyrGLXQueryVersion(__GLXclientState *a_cl, GLbyte *a_pc)
{
ClientPtr client = a_cl->client;
xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) a_pc;
xGLXQueryVersionReply reply;
int major, minor;
int res = BadImplementation ;
EPHYR_LOG ("enter\n") ;
major = req->majorVersion ;
minor = req->minorVersion ;
if (!ephyrHostGLXQueryVersion (&major, &minor)) {
EPHYR_LOG_ERROR ("ephyrHostGLXQueryVersion() failed\n") ;
goto out ;
}
EPHYR_LOG ("major:%d, minor:%d\n",
major, minor);
reply.majorVersion = major ;
reply.minorVersion = minor ;
reply.length = 0 ;
reply.type = X_Reply ;
reply.sequenceNumber = client->sequence ;
if (client->swapped) {
__glXSwapQueryVersionReply(client, &reply);
} else {
WriteToClient(client, sz_xGLXQueryVersionReply, (char *)&reply);
}
res = Success ;
out:
EPHYR_LOG ("leave\n") ;
return res;
}
int
ephyrGLXQueryVersionSwap (__GLXclientState *a_cl, GLbyte *a_pc)
{
xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) a_pc;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_SWAP_SHORT (&req->length);
__GLX_SWAP_INT (&req->majorVersion);
__GLX_SWAP_INT (&req->minorVersion);
return ephyrGLXQueryVersion (a_cl, a_pc) ;
}
static int
ephyrGLXGetVisualConfigsReal (__GLXclientState *a_cl,
GLbyte *a_pc,
Bool a_do_swap)
{
xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) a_pc;
ClientPtr client = a_cl->client;
xGLXGetVisualConfigsReply reply;
int32_t *props_buf=NULL, num_visuals=0,
num_props=0, res=BadImplementation, i=0,
props_per_visual_size=0,
props_buf_size=0;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
EPHYR_LOG ("enter\n") ;
if (!ephyrHostGLXGetVisualConfigs (req->screen,
&num_visuals,
&num_props,
&props_buf_size,
&props_buf)) {
EPHYR_LOG_ERROR ("ephyrHostGLXGetVisualConfigs() failed\n") ;
goto out ;
}
EPHYR_LOG ("num_visuals:%d, num_props:%d\n", num_visuals, num_props) ;
reply.numVisuals = num_visuals;
reply.numProps = num_props;
reply.length = (num_visuals *__GLX_SIZE_CARD32 * num_props) >> 2;
reply.type = X_Reply;
reply.sequenceNumber = client->sequence;
if (a_do_swap) {
__GLX_SWAP_SHORT(&reply.sequenceNumber);
__GLX_SWAP_INT(&reply.length);
__GLX_SWAP_INT(&reply.numVisuals);
__GLX_SWAP_INT(&reply.numProps);
__GLX_SWAP_INT_ARRAY (props_buf, num_props) ;
}
WriteToClient(client, sz_xGLXGetVisualConfigsReply, (char*)&reply);
props_per_visual_size = props_buf_size/num_visuals ;
for (i=0; i < num_visuals; i++) {
WriteToClient (client,
props_per_visual_size,
(char*)props_buf +i*props_per_visual_size);
}
res = Success ;
out:
EPHYR_LOG ("leave\n") ;
xfree (props_buf) ;
props_buf = NULL ;
return res ;
}
static int
ephyrGLXGetFBConfigsSGIXReal (__GLXclientState *a_cl,
GLbyte *a_pc,
Bool a_do_swap)
{
xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *)a_pc;
ClientPtr client = a_cl->client;
xGLXGetVisualConfigsReply reply;
int32_t *props_buf=NULL, num_visuals=0,
num_props=0, res=BadImplementation, i=0,
props_per_visual_size=0,
props_buf_size=0;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
EPHYR_LOG ("enter\n") ;
if (!ephyrHostGLXVendorPrivGetFBConfigsSGIX (req->screen,
&num_visuals,
&num_props,
&props_buf_size,
&props_buf)) {
EPHYR_LOG_ERROR ("ephyrHostGLXGetVisualConfigs() failed\n") ;
goto out ;
}
EPHYR_LOG ("num_visuals:%d, num_props:%d\n", num_visuals, num_props) ;
reply.numVisuals = num_visuals;
reply.numProps = num_props;
reply.length = props_buf_size >> 2;
reply.type = X_Reply;
reply.sequenceNumber = client->sequence;
if (a_do_swap) {
__GLX_SWAP_SHORT(&reply.sequenceNumber);
__GLX_SWAP_INT(&reply.length);
__GLX_SWAP_INT(&reply.numVisuals);
__GLX_SWAP_INT(&reply.numProps);
__GLX_SWAP_INT_ARRAY (props_buf, num_props) ;
}
WriteToClient(client, sz_xGLXGetVisualConfigsReply, (char*)&reply);
props_per_visual_size = props_buf_size/num_visuals ;
for (i=0; i < num_visuals; i++) {
WriteToClient (client,
props_per_visual_size,
&((char*)props_buf)[i*props_per_visual_size]);
}
res = Success ;
out:
EPHYR_LOG ("leave\n") ;
xfree (props_buf) ;
props_buf = NULL ;
return res ;
}
int
ephyrGLXGetVisualConfigs (__GLXclientState *a_cl, GLbyte *a_pc)
{
return ephyrGLXGetVisualConfigsReal (a_cl, a_pc, FALSE) ;
}
int
ephyrGLXGetVisualConfigsSwap (__GLXclientState *a_cl, GLbyte *a_pc)
{
return ephyrGLXGetVisualConfigsReal (a_cl, a_pc, TRUE) ;
}
int
ephyrGLXClientInfo(__GLXclientState *a_cl, GLbyte *a_pc)
{
int res=BadImplementation ;
xGLXClientInfoReq *req = (xGLXClientInfoReq *) a_pc;
EPHYR_LOG ("enter\n") ;
if (!ephyrHostGLXSendClientInfo (req->major, req->minor, (char*)req+1)) {
EPHYR_LOG_ERROR ("failed to send client info to host\n") ;
goto out ;
}
res = Success ;
out:
EPHYR_LOG ("leave\n") ;
return res ;
}
int
ephyrGLXClientInfoSwap (__GLXclientState *a_cl, GLbyte *a_pc)
{
xGLXClientInfoReq *req = (xGLXClientInfoReq *)a_pc;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_SWAP_SHORT (&req->length);
__GLX_SWAP_INT (&req->major);
__GLX_SWAP_INT (&req->minor);
__GLX_SWAP_INT (&req->numbytes);
return ephyrGLXClientInfo (a_cl, a_pc) ;
}
int
ephyrGLXQueryServerString(__GLXclientState *a_cl, GLbyte *a_pc)
{
int res = BadImplementation ;
ClientPtr client = a_cl->client;
xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) a_pc;
xGLXQueryServerStringReply reply;
char *server_string=NULL, *buf=NULL;
int length=0 ;
EPHYR_LOG ("enter\n") ;
if (!ephyrHostGLXGetStringFromServer (req->screen,
req->name,
EPHYR_HOST_GLX_QueryServerString,
&server_string)) {
EPHYR_LOG_ERROR ("failed to query string from host\n") ;
goto out ;
}
EPHYR_LOG ("string: %s\n", server_string) ;
length= strlen (server_string) + 1;
reply.type = X_Reply ;
reply.sequenceNumber = client->sequence ;
reply.length = __GLX_PAD (length) >> 2 ;
reply.n = length ;
buf = xcalloc (reply.length << 2, 1);
if (!buf) {
EPHYR_LOG_ERROR ("failed to allocate string\n;");
return BadAlloc;
}
memcpy (buf, server_string, length);
WriteToClient(client, sz_xGLXQueryServerStringReply, (char*)&reply);
WriteToClient(client, (int)(reply.length << 2), server_string);
res = Success ;
out:
EPHYR_LOG ("leave\n") ;
xfree (server_string) ;
server_string = NULL;
xfree (buf);
buf = NULL;
return res ;
}
int
ephyrGLXQueryServerStringSwap(__GLXclientState *a_cl, GLbyte *a_pc)
{
EPHYR_LOG_ERROR ("not yet implemented\n") ;
return BadImplementation ;
}
int
ephyrGLXGetFBConfigsSGIX (__GLXclientState *a_cl, GLbyte *a_pc)
{
return ephyrGLXGetFBConfigsSGIXReal (a_cl, a_pc, FALSE) ;
}
int
ephyrGLXGetFBConfigsSGIXSwap (__GLXclientState *a_cl, GLbyte *a_pc)
{
return ephyrGLXGetFBConfigsSGIXReal (a_cl, a_pc, TRUE) ;
}
static int
ephyrGLXCreateContextReal (xGLXCreateContextReq *a_req, Bool a_do_swap)
{
int res=BadImplementation;
EphyrHostWindowAttributes host_w_attrs ;
__GLX_DECLARE_SWAP_VARIABLES;
EPHYR_RETURN_VAL_IF_FAIL (a_req, BadValue) ;
EPHYR_LOG ("enter\n") ;
if (a_do_swap) {
__GLX_SWAP_SHORT(&a_req->length);
__GLX_SWAP_INT(&a_req->context);
__GLX_SWAP_INT(&a_req->visual);
__GLX_SWAP_INT(&a_req->screen);
__GLX_SWAP_INT(&a_req->shareList);
}
EPHYR_LOG ("context creation requested. localid:%d, "
"screen:%d, visual:%d, direct:%d\n",
(int)a_req->context, (int)a_req->screen,
(int)a_req->visual, (int)a_req->isDirect) ;
memset (&host_w_attrs, 0, sizeof (host_w_attrs)) ;
if (!hostx_get_window_attributes (hostx_get_window (a_req->screen),
&host_w_attrs)) {
EPHYR_LOG_ERROR ("failed to get host window attrs\n") ;
goto out ;
}
EPHYR_LOG ("host window visual id: %d\n", host_w_attrs.visualid) ;
if (!ephyrHostGLXCreateContext (a_req->screen,
host_w_attrs.visualid,
a_req->context,
a_req->shareList,
a_req->isDirect)) {
EPHYR_LOG_ERROR ("ephyrHostGLXCreateContext() failed\n") ;
goto out ;
}
res = Success;
out:
EPHYR_LOG ("leave\n") ;
return res ;
}
int
ephyrGLXCreateContext (__GLXclientState *cl, GLbyte *pc)
{
xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc;
return ephyrGLXCreateContextReal (req, FALSE) ;
}
int ephyrGLXCreateContextSwap (__GLXclientState *cl, GLbyte *pc)
{
xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc;
return ephyrGLXCreateContextReal (req, TRUE) ;
}
static int
ephyrGLXDestroyContextReal (__GLXclientState *a_cl,
GLbyte *a_pc,
Bool a_do_swap)
{
int res=BadImplementation;
ClientPtr client = a_cl->client;
xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) a_pc;
EPHYR_LOG ("enter. id:%d\n", (int)req->context) ;
if (!ephyrHostDestroyContext (req->context)) {
EPHYR_LOG_ERROR ("ephyrHostDestroyContext() failed\n") ;
client->errorValue = req->context ;
goto out ;
}
res = Success ;
out:
EPHYR_LOG ("leave\n") ;
return res ;
}
int
ephyrGLXDestroyContext (__GLXclientState *a_cl, GLbyte *a_pc)
{
return ephyrGLXDestroyContextReal (a_cl, a_pc, FALSE) ;
}
int
ephyrGLXDestroyContextSwap (__GLXclientState *a_cl, GLbyte *a_pc)
{
return ephyrGLXDestroyContextReal (a_cl, a_pc, TRUE) ;
}
static int
ephyrGLXMakeCurrentReal (__GLXclientState *a_cl, GLbyte *a_pc, Bool a_do_swap)
{
int res=BadImplementation;
xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) a_pc;
xGLXMakeCurrentReply reply ;
DrawablePtr drawable=NULL;
int rc=0;
EPHYR_LOG ("enter\n") ;
rc = dixLookupDrawable (&drawable,
req->drawable,
a_cl->client,
0,
DixReadAccess);
EPHYR_RETURN_VAL_IF_FAIL (drawable, BadValue) ;
EPHYR_RETURN_VAL_IF_FAIL (drawable->pScreen, BadValue) ;
EPHYR_LOG ("screen nummber requested:%d\n",
drawable->pScreen->myNum) ;
memset (&reply, 0, sizeof (reply)) ;
if (!ephyrHostGLXMakeCurrent (hostx_get_window (drawable->pScreen->myNum),
req->context,
req->oldContextTag,
(int*)&reply.contextTag)) {
EPHYR_LOG_ERROR ("ephyrHostGLXMakeCurrent() failed\n") ;
goto out;
}
reply.length = 0;
reply.type = X_Reply;
reply.sequenceNumber = a_cl->client->sequence;
if (a_do_swap) {
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_SWAP_SHORT(&reply.sequenceNumber);
__GLX_SWAP_INT(&reply.length);
__GLX_SWAP_INT(&reply.contextTag);
}
WriteToClient(a_cl->client, sz_xGLXMakeCurrentReply, (char *)&reply);
res = Success ;
out:
EPHYR_LOG ("leave\n") ;
return res ;
}
int
ephyrGLXMakeCurrent (__GLXclientState *a_cl, GLbyte *a_pc)
{
return ephyrGLXMakeCurrentReal (a_cl, a_pc, FALSE) ;
}
int
ephyrGLXMakeCurrentSwap (__GLXclientState *a_cl, GLbyte *a_pc)
{
return ephyrGLXMakeCurrentReal (a_cl, a_pc, TRUE) ;
}
static int
ephyrGLXGetStringReal (__GLXclientState *a_cl, GLbyte *a_pc, Bool a_do_swap)
{
ClientPtr client=NULL ;
int context_tag=0, name=0, res=BadImplementation, length=0 ;
char *string=NULL;
__GLX_DECLARE_SWAP_VARIABLES;
EPHYR_RETURN_VAL_IF_FAIL (a_cl && a_pc, BadValue) ;
EPHYR_LOG ("enter\n") ;
client = a_cl->client ;
if (a_do_swap) {
__GLX_SWAP_INT (a_pc + 4);
__GLX_SWAP_INT (a_pc + __GLX_SINGLE_HDR_SIZE);
}
context_tag = __GLX_GET_SINGLE_CONTEXT_TAG (a_pc) ;
a_pc += __GLX_SINGLE_HDR_SIZE;
name = *(GLenum*)(a_pc + 0);
EPHYR_LOG ("context_tag:%d, name:%d\n", context_tag, name) ;
if (!ephyrHostGLXGetStringFromServer (context_tag,
name,
EPHYR_HOST_GLX_GetString,
&string)) {
EPHYR_LOG_ERROR ("failed to get string from server\n") ;
goto out ;
}
if (string) {
length = strlen (string) + 1;
EPHYR_LOG ("got string:'%s', size:%d\n", string, length) ;
} else {
EPHYR_LOG ("got string: string (null)\n") ;
}
__GLX_BEGIN_REPLY (length);
__GLX_PUT_SIZE (length);
__GLX_SEND_HEADER ();
if (a_do_swap) {
__GLX_SWAP_REPLY_SIZE ();
__GLX_SWAP_REPLY_HEADER ();
}
WriteToClient (client, length, (char *)string);
res = Success ;
out:
EPHYR_LOG ("leave\n") ;
return res ;
}
int
ephyrGLXGetString (__GLXclientState *a_cl, GLbyte *a_pc)
{
return ephyrGLXGetStringReal (a_cl, a_pc, FALSE) ;
}
int
ephyrGLXGetStringSwap (__GLXclientState *a_cl, GLbyte *a_pc)
{
return ephyrGLXGetStringReal (a_cl, a_pc, TRUE) ;
}
static int
ephyrGLXGetIntegervReal (__GLXclientState *a_cl, GLbyte *a_pc, Bool a_do_swap)
{
int res=BadImplementation;
xGLXSingleReq * const req = (xGLXSingleReq *) a_pc;
GLenum int_name ;
int value=0 ;
GLint answer_buf_room[200];
GLint *buf=NULL ;
EPHYR_LOG ("enter\n") ;
a_pc += __GLX_SINGLE_HDR_SIZE;
int_name = *(GLenum*) (a_pc+0) ;
if (!ephyrHostGetIntegerValue (req->contextTag, int_name, &value)) {
EPHYR_LOG_ERROR ("ephyrHostGetIntegerValue() failed\n") ;
goto out ;
}
buf = __glXGetAnswerBuffer (a_cl, sizeof (value),
answer_buf_room,
sizeof (answer_buf_room),
4) ;
if (!buf) {
EPHYR_LOG_ERROR ("failed to allocate reply buffer\n") ;
res = BadAlloc ;
goto out ;
}
__glXSendReply (a_cl->client, buf, 1, sizeof (value), GL_FALSE, 0) ;
res = Success ;
out:
EPHYR_LOG ("leave\n") ;
return res ;
}
int
ephyrGLXGetIntegerv (__GLXclientState *a_cl, GLbyte *a_pc)
{
return ephyrGLXGetIntegervReal (a_cl, a_pc, FALSE) ;
}
int
ephyrGLXGetIntegervSwap (__GLXclientState *a_cl, GLbyte *a_pc)
{
return ephyrGLXGetIntegervReal (a_cl, a_pc, TRUE) ;
}
static int
ephyrGLXIsDirectReal (__GLXclientState *a_cl, GLbyte *a_pc, Bool a_do_swap)
{
int res=BadImplementation;
ClientPtr client = a_cl->client;
xGLXIsDirectReq *req = (xGLXIsDirectReq *) a_pc;
xGLXIsDirectReply reply;
int is_direct=0 ;
EPHYR_RETURN_VAL_IF_FAIL (a_cl && a_pc, FALSE) ;
EPHYR_LOG ("enter\n") ;
memset (&reply, 0, sizeof (reply)) ;
if (!ephyrHostIsContextDirect (req->context, (int*)&is_direct)) {
EPHYR_LOG_ERROR ("ephyrHostIsContextDirect() failed\n") ;
goto out ;
}
reply.isDirect = is_direct ;
reply.length = 0;
reply.type = X_Reply;
reply.sequenceNumber = client->sequence;
WriteToClient(client, sz_xGLXIsDirectReply, (char *)&reply);
res = Success ;
out:
EPHYR_LOG ("leave\n") ;
return res ;
}
int
ephyrGLXIsDirect (__GLXclientState *a_cl, GLbyte *a_pc)
{
return ephyrGLXIsDirectReal (a_cl, a_pc, FALSE) ;
}
int
ephyrGLXIsDirectSwap (__GLXclientState *a_cl, GLbyte *a_pc)
{
return ephyrGLXIsDirectReal (a_cl, a_pc, TRUE) ;
}