xserver-multidpi/hw/kdrive/ephyr/ephyrglxext.c

855 lines
26 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 <xcb/glx.h>
#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 ephyrGLXCreateNewContext(__GLXclientState * a_cl, GLbyte * a_pc);
int ephyrGLXCreateNewContextSwap(__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 ephyrGLXMakeCurrentReadSGI(__GLXclientState * a_cl, GLbyte * a_pc);
int ephyrGLXMakeCurrentReadSGISwap(__GLXclientState * a_cl, GLbyte * a_pc);
int ephyrGLXMakeContextCurrent(__GLXclientState * a_cl, GLbyte * a_pc);
int ephyrGLXMakeContextCurrentSwap(__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 (!host_has_extension(&xcb_glx_id)) {
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_GLXCreateNewContext][0] = ephyrGLXCreateNewContext;
dispatch_functions[X_GLXCreateNewContext][1] = ephyrGLXCreateNewContextSwap;
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;
dispatch_functions[X_GLXMakeContextCurrent][0] =
ephyrGLXMakeContextCurrent;
dispatch_functions[X_GLXMakeContextCurrent][1] =
ephyrGLXMakeContextCurrentSwap;
/*
* 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;
dispatch_functions[89][0] = ephyrGLXMakeCurrentReadSGI;
dispatch_functions[89][1] = ephyrGLXMakeCurrentReadSGISwap;
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 = (xGLXQueryVersionReply) {
.type = X_Reply,
.sequenceNumber = client->sequence,
.length = 0,
.majorVersion = major,
.minorVersion = minor
};
if (client->swapped) {
__glXSwapQueryVersionReply(client, &reply);
}
else {
WriteToClient(client, sz_xGLXQueryVersionReply, &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 = (xGLXGetVisualConfigsReply) {
.type = X_Reply,
.sequenceNumber = client->sequence,
.length = (num_visuals * __GLX_SIZE_CARD32 * num_props) >> 2,
.numVisuals = num_visuals,
.numProps = num_props
};
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, &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 = (xGLXGetVisualConfigsReply) {
.type = X_Reply,
.sequenceNumber = client->sequence,
.length = props_buf_size >> 2,
.numVisuals = num_visuals,
.numProps = num_props
};
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, &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;
int length = 0;
EPHYR_LOG("enter\n");
if (!ephyrHostGLXQueryServerString(req->screen,
req->name,
&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 = (xGLXQueryServerStringReply) {
.type = X_Reply,
.sequenceNumber = client->sequence,
.length = __GLX_PAD(length) >> 2,
.n = length
};
WriteToClient(client, sz_xGLXQueryServerStringReply, &reply);
WriteToClient(client, (int) (reply.length << 2), server_string);
res = Success;
out:
EPHYR_LOG("leave\n");
free(server_string);
server_string = 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, 0,
a_req->isDirect, X_GLXCreateContext)) {
EPHYR_LOG_ERROR("ephyrHostGLXCreateContext() failed\n");
goto out;
}
res = Success;
out:
EPHYR_LOG("leave\n");
return res;
}
static int
ephyrGLXCreateNewContextReal(xGLXCreateNewContextReq * a_req, Bool a_do_swap)
{
int res = BadImplementation;
__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->fbconfig);
__GLX_SWAP_INT(&a_req->screen);
__GLX_SWAP_INT(&a_req->renderType);
__GLX_SWAP_INT(&a_req->shareList);
}
EPHYR_LOG("context creation requested. localid:%d, "
"screen:%d, fbconfig:%d, renderType:%d, direct:%d\n",
(int) a_req->context, (int) a_req->screen,
(int) a_req->fbconfig, (int) a_req->renderType,
(int) a_req->isDirect);
if (!ephyrHostGLXCreateContext(a_req->screen,
a_req->fbconfig,
a_req->context,
a_req->shareList, a_req->renderType,
a_req->isDirect, X_GLXCreateNewContext)) {
EPHYR_LOG_ERROR("ephyrHostGLXCreateNewContext() 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);
}
int
ephyrGLXCreateNewContext(__GLXclientState * cl, GLbyte * pc)
{
xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc;
return ephyrGLXCreateNewContextReal(req, FALSE);
}
int
ephyrGLXCreateNewContextSwap(__GLXclientState * cl, GLbyte * pc)
{
xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc;
return ephyrGLXCreateNewContextReal(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, GLXDrawable write,
GLXDrawable read, GLXContextTag ctx,
GLXContextTag old_ctx, Bool a_do_swap)
{
int res = BadImplementation;
xGLXMakeCurrentReply reply;
DrawablePtr drawableR = NULL, drawableW = NULL;
GLXContextTag new_ctx = 0;
EPHYR_LOG("enter\n");
res = dixLookupDrawable(&drawableW, write, a_cl->client, 0, DixReadAccess);
EPHYR_RETURN_VAL_IF_FAIL(drawableW, BadValue);
EPHYR_RETURN_VAL_IF_FAIL(drawableW->pScreen, BadValue);
EPHYR_LOG("screen nummber requested:%d\n", drawableW->pScreen->myNum);
if (read != write) {
res = dixLookupDrawable(&drawableR, read, a_cl->client, 0,
DixReadAccess);
EPHYR_RETURN_VAL_IF_FAIL(drawableR, BadValue);
EPHYR_RETURN_VAL_IF_FAIL(drawableR->pScreen, BadValue);
}
else {
drawableR = drawableW;
}
if (!ephyrHostGLXMakeCurrent(hostx_get_window(drawableW->pScreen->myNum),
hostx_get_window(drawableR->pScreen->myNum),
ctx, old_ctx, (int *) &new_ctx)) {
EPHYR_LOG_ERROR("ephyrHostGLXMakeCurrent() failed\n");
goto out;
}
reply = (xGLXMakeCurrentReply) {
.type = X_Reply,
.sequenceNumber = a_cl->client->sequence,
.length = 0,
.contextTag = new_ctx
};
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, &reply);
res = Success;
out:
EPHYR_LOG("leave\n");
return res;
}
int
ephyrGLXMakeCurrent(__GLXclientState * a_cl, GLbyte * a_pc)
{
xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) a_pc;
return ephyrGLXMakeCurrentReal(a_cl, req->drawable, req->drawable,
req->context, req->oldContextTag, FALSE);
}
int
ephyrGLXMakeCurrentSwap(__GLXclientState * a_cl, GLbyte * a_pc)
{
xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) a_pc;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_SWAP_INT(&req->drawable);
__GLX_SWAP_INT(&req->context);
__GLX_SWAP_INT(&req->oldContextTag);
return ephyrGLXMakeCurrentReal(a_cl, req->drawable, req->drawable,
req->context, req->oldContextTag, TRUE);
}
int
ephyrGLXMakeCurrentReadSGI(__GLXclientState * a_cl, GLbyte * a_pc)
{
xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) a_pc;
return ephyrGLXMakeCurrentReal(a_cl, req->drawable, req->readable,
req->context, req->oldContextTag, FALSE);
}
int
ephyrGLXMakeCurrentReadSGISwap(__GLXclientState * a_cl, GLbyte * a_pc)
{
xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) a_pc;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_SWAP_INT(&req->drawable);
__GLX_SWAP_INT(&req->readable);
__GLX_SWAP_INT(&req->context);
__GLX_SWAP_INT(&req->oldContextTag);
return ephyrGLXMakeCurrentReal(a_cl, req->drawable, req->readable,
req->context, req->oldContextTag, TRUE);
}
int
ephyrGLXMakeContextCurrent(__GLXclientState * a_cl, GLbyte * a_pc)
{
xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) a_pc;
return ephyrGLXMakeCurrentReal(a_cl, req->drawable, req->readdrawable,
req->context, req->oldContextTag, FALSE);
}
int
ephyrGLXMakeContextCurrentSwap(__GLXclientState * a_cl, GLbyte * a_pc)
{
xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) a_pc;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_SWAP_INT(&req->drawable);
__GLX_SWAP_INT(&req->readdrawable);
__GLX_SWAP_INT(&req->context);
__GLX_SWAP_INT(&req->oldContextTag);
return ephyrGLXMakeCurrentReal(a_cl, req->drawable, req->readdrawable,
req->context, req->oldContextTag, 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 (!ephyrHostGLXGetString(context_tag, name, &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, 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");
if (!ephyrHostIsContextDirect(req->context, (int *) &is_direct)) {
EPHYR_LOG_ERROR("ephyrHostIsContextDirect() failed\n");
goto out;
}
reply = (xGLXIsDirectReply) {
.type = X_Reply,
.sequenceNumber = client->sequence,
.length = 0,
.isDirect = is_direct
};
WriteToClient(client, sz_xGLXIsDirectReply, &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);
}