diff options
Diffstat (limited to 'xorg-server/hw/kdrive/ephyr/ephyrglxext.c')
| -rw-r--r-- | xorg-server/hw/kdrive/ephyr/ephyrglxext.c | 1446 |
1 files changed, 723 insertions, 723 deletions
diff --git a/xorg-server/hw/kdrive/ephyr/ephyrglxext.c b/xorg-server/hw/kdrive/ephyr/ephyrglxext.c index a0278cc2b..d6b8ca66d 100644 --- a/xorg-server/hw/kdrive/ephyr/ephyrglxext.c +++ b/xorg-server/hw/kdrive/ephyr/ephyrglxext.c @@ -1,723 +1,723 @@ -/* - * 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) ; -} +/*
+ * 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") ;
+ free(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") ;
+ free(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 = calloc(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") ;
+ free(server_string) ;
+ server_string = NULL;
+
+ free(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) ;
+}
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