pixman libxcb mesa xserver xkeyboard-config git update 8 oct 2012

xserver: 09f1e5b15b769e1122f0a8d7cae0820038992312
libxcb: 4ffe54f69049e6792a35a287fd9ff83abbd4fd8d
mesa: 86de501f14f11f1e993c8703c0d69bdf1f6c7835
xkeyboard-config: 0a21bb5a28018902a6252fccb620d7dff7e67175
pixman: 3d81d89c292058522cce91338028d9b4c4a23c24

4 files changed, 263 insertions, 50 deletions

diff --git a/xorg-server/hw/kdrive/ephyr/ephyrdriext.c b/xorg-server/hw/kdrive/ephyr/ephyrdriext.c
index a42be07d5..1a98a2dff 100644
--- a/xorg-server/hw/kdrive/ephyr/ephyrdriext.c
+++ b/xorg-server/hw/kdrive/ephyr/ephyrdriext.c
@@ -561,7 +561,7 @@ ProcXF86DRIQueryDirectRenderingCapable(register ClientPtr client)
         return BadValue;
     }
 
-    if (!LocalClient(client) || client->swapped)
+    if (!client->local || client->swapped)
         isCapable = 0;
 
     rep = (xXF86DRIQueryDirectRenderingCapableReply) {
@@ -1229,7 +1229,7 @@ ProcXF86DRIDispatch(register ClientPtr client)
     }
     }
 
-    if (!LocalClient(client))
+    if (!client->local)
         return DRIErrorBase + XF86DRIClientNotLocal;
 
     switch (stuff->data) {
diff --git a/xorg-server/hw/kdrive/ephyr/ephyrglxext.c b/xorg-server/hw/kdrive/ephyr/ephyrglxext.c
index df285cfcb..22d510891 100644
--- a/xorg-server/hw/kdrive/ephyr/ephyrglxext.c
+++ b/xorg-server/hw/kdrive/ephyr/ephyrglxext.c
@@ -61,10 +61,16 @@ 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);
@@ -108,6 +114,9 @@ ephyrHijackGLXExtension(void)
     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;
 
@@ -123,14 +132,24 @@ ephyrHijackGLXExtension(void)
     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;
 }
 
@@ -445,7 +464,8 @@ ephyrGLXCreateContextReal(xGLXCreateContextReq * a_req, Bool a_do_swap)
     if (!ephyrHostGLXCreateContext(a_req->screen,
                                    host_w_attrs.visualid,
                                    a_req->context,
-                                   a_req->shareList, a_req->isDirect)) {
+                                   a_req->shareList, 0,
+                                   a_req->isDirect, X_GLXCreateContext)) {
         EPHYR_LOG_ERROR("ephyrHostGLXCreateContext() failed\n");
         goto out;
     }
@@ -455,6 +475,45 @@ ephyrGLXCreateContextReal(xGLXCreateContextReq * a_req, Bool a_do_swap)
     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)
 {
@@ -471,6 +530,22 @@ ephyrGLXCreateContextSwap(__GLXclientState * cl, GLbyte * 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)
@@ -505,26 +580,34 @@ ephyrGLXDestroyContextSwap(__GLXclientState * a_cl, GLbyte * a_pc)
 }
 
 static int
-ephyrGLXMakeCurrentReal(__GLXclientState * a_cl, GLbyte * a_pc, Bool a_do_swap)
+ephyrGLXMakeCurrentReal(__GLXclientState * a_cl, GLXDrawable write,
+                        GLXDrawable read, GLXContextTag ctx,
+                        GLXContextTag old_ctx, Bool a_do_swap)
 {
     int res = BadImplementation;
-    xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) a_pc;
     xGLXMakeCurrentReply reply;
-    DrawablePtr drawable = NULL;
-    GLXContextTag contextTag = 0;
-    int rc = 0;
+    DrawablePtr drawableR = NULL, drawableW = NULL;
+    GLXContextTag new_ctx = 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);
-
-    if (!ephyrHostGLXMakeCurrent(hostx_get_window(drawable->pScreen->myNum),
-                                 req->context,
-                                 req->oldContextTag,
-                                 (int *) &contextTag)) {
+    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;
     }
@@ -532,7 +615,7 @@ ephyrGLXMakeCurrentReal(__GLXclientState * a_cl, GLbyte * a_pc, Bool a_do_swap)
         .type = X_Reply,
         .sequenceNumber = a_cl->client->sequence,
         .length = 0,
-        .contextTag = contextTag
+        .contextTag = new_ctx
     };
     if (a_do_swap) {
         __GLX_DECLARE_SWAP_VARIABLES;
@@ -551,13 +634,71 @@ ephyrGLXMakeCurrentReal(__GLXclientState * a_cl, GLbyte * a_pc, Bool a_do_swap)
 int
 ephyrGLXMakeCurrent(__GLXclientState * a_cl, GLbyte * a_pc)
 {
-    return ephyrGLXMakeCurrentReal(a_cl, a_pc, FALSE);
+    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)
 {
-    return ephyrGLXMakeCurrentReal(a_cl, a_pc, TRUE);
+    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
diff --git a/xorg-server/hw/kdrive/ephyr/ephyrhostglx.c b/xorg-server/hw/kdrive/ephyr/ephyrhostglx.c
index 6b9da6fb1..392489a00 100644
--- a/xorg-server/hw/kdrive/ephyr/ephyrhostglx.c
+++ b/xorg-server/hw/kdrive/ephyr/ephyrhostglx.c
@@ -52,6 +52,8 @@
 #include "ephyrlog.h"
 #include "hostx.h"
 
+static int glx_major, glx_minor;
+
 enum VisualConfRequestType {
     EPHYR_GET_FB_CONFIG,
     EPHYR_VENDOR_PRIV_GET_FB_CONFIG_SGIX,
@@ -99,6 +101,12 @@ ephyrHostGLXQueryVersion(int *a_major, int *a_minor)
     EPHYR_RETURN_VAL_IF_FAIL(a_major && a_minor, FALSE);
     EPHYR_LOG("enter\n");
 
+    if (glx_major) {
+        *a_major = glx_major;
+        *a_minor = glx_minor;
+        return TRUE;
+    }
+
     if (!ephyrHostGLXGetMajorOpcode(&major_opcode)) {
         EPHYR_LOG_ERROR("failed to get major opcode\n");
         goto out;
@@ -117,8 +125,8 @@ ephyrHostGLXQueryVersion(int *a_major, int *a_minor)
     UnlockDisplay(dpy);
     SyncHandle();
 
-    *a_major = reply.majorVersion;
-    *a_minor = reply.minorVersion;
+    *a_major = glx_major = reply.majorVersion;
+    *a_minor = glx_minor = reply.minorVersion;
 
     EPHYR_LOG("major:%d, minor:%d\n", *a_major, *a_minor);
 
@@ -431,17 +439,20 @@ ephyrHostGLXSendClientInfo(int32_t a_major, int32_t a_minor,
 
 Bool
 ephyrHostGLXCreateContext(int a_screen,
-                          int a_visual_id,
+                          int a_generic_id,
                           int a_context_id,
-                          int a_share_list_ctxt_id, Bool a_direct)
+                          int a_share_list_ctxt_id,
+                          int a_render_type,
+                          Bool a_direct,
+                          int code)
 {
     Bool is_ok = FALSE;
     Display *dpy = hostx_get_display();
     int major_opcode = 0, remote_context_id = 0;
-    xGLXCreateContextReq *req;
 
-    EPHYR_LOG("enter. screen:%d, visual:%d, contextid:%d, direct:%d\n",
-              a_screen, a_visual_id, a_context_id, a_direct);
+    EPHYR_LOG("enter. screen:%d, generic_id:%d, contextid:%d, rendertype:%d, "
+                 "direct:%d\n", a_screen, a_generic_id, a_context_id,
+                 a_render_type, a_direct);
 
     if (!hostx_allocate_resource_id_peer(a_context_id, &remote_context_id)) {
         EPHYR_LOG_ERROR("failed to peer the context id %d host X",
@@ -456,15 +467,38 @@ ephyrHostGLXCreateContext(int a_screen,
 
     LockDisplay(dpy);
 
-    /* Send the glXCreateContext request */
-    GetReq(GLXCreateContext, req);
-    req->reqType = major_opcode;
-    req->glxCode = X_GLXCreateContext;
-    req->context = remote_context_id;
-    req->visual = a_visual_id;
-    req->screen = DefaultScreen(dpy);
-    req->shareList = a_share_list_ctxt_id;
-    req->isDirect = a_direct;
+    switch (code) {
+    case X_GLXCreateContext: {
+        /* Send the glXCreateContext request */
+        xGLXCreateContextReq *req;
+        GetReq(GLXCreateContext, req);
+        req->reqType = major_opcode;
+        req->glxCode = X_GLXCreateContext;
+        req->context = remote_context_id;
+        req->visual = a_generic_id;
+        req->screen = DefaultScreen(dpy);
+        req->shareList = a_share_list_ctxt_id;
+        req->isDirect = a_direct;
+    }
+
+    case X_GLXCreateNewContext: {
+        /* Send the glXCreateNewContext request */
+        xGLXCreateNewContextReq *req;
+        GetReq(GLXCreateNewContext, req);
+        req->reqType = major_opcode;
+        req->glxCode = X_GLXCreateNewContext;
+        req->context = remote_context_id;
+        req->fbconfig = a_generic_id;
+        req->screen = DefaultScreen(dpy);
+        req->renderType = a_render_type;
+        req->shareList = a_share_list_ctxt_id;
+        req->isDirect = a_direct;
+    }
+
+    default:
+        /* This should never be reached !*/
+        EPHYR_LOG("Internal error! Invalid CreateContext code!\n");
+    }
 
     UnlockDisplay(dpy);
     SyncHandle();
@@ -512,20 +546,19 @@ ephyrHostDestroyContext(int a_ctxt_id)
 }
 
 Bool
-ephyrHostGLXMakeCurrent(int a_drawable,
+ephyrHostGLXMakeCurrent(int a_drawable, int a_readable,
                         int a_glx_ctxt_id, int a_old_ctxt_tag, int *a_ctxt_tag)
 {
     Bool is_ok = FALSE;
     Display *dpy = hostx_get_display();
     int32_t major_opcode = 0;
     int remote_glx_ctxt_id = 0;
-    xGLXMakeCurrentReq *req;
     xGLXMakeCurrentReply reply;
 
     EPHYR_RETURN_VAL_IF_FAIL(a_ctxt_tag, FALSE);
 
-    EPHYR_LOG("enter. drawable:%d, context:%d, oldtag:%d\n",
-              a_drawable, a_glx_ctxt_id, a_old_ctxt_tag);
+    EPHYR_LOG("enter. drawable:%d, read:%d, context:%d, oldtag:%d\n",
+              a_drawable, a_readable, a_glx_ctxt_id, a_old_ctxt_tag);
 
     if (!ephyrHostGLXGetMajorOpcode(&major_opcode)) {
         EPHYR_LOG_ERROR("failed to get major opcode\n");
@@ -538,12 +571,48 @@ ephyrHostGLXMakeCurrent(int a_drawable,
 
     LockDisplay(dpy);
 
-    GetReq(GLXMakeCurrent, req);
-    req->reqType = major_opcode;
-    req->glxCode = X_GLXMakeCurrent;
-    req->drawable = a_drawable;
-    req->context = remote_glx_ctxt_id;
-    req->oldContextTag = a_old_ctxt_tag;
+    /* If both drawables are the same, use the old MakeCurrent request.
+     * Otherwise, if we have GLX 1.3 or higher, use the MakeContextCurrent
+     * request which supports separate read and draw targets.  Failing that,
+     * try the SGI MakeCurrentRead extension.  Logic cribbed from Mesa. */
+    if (a_drawable == a_readable) {
+        xGLXMakeCurrentReq *req;
+
+        GetReq(GLXMakeCurrent, req);
+        req->reqType = major_opcode;
+        req->glxCode = X_GLXMakeCurrent;
+        req->drawable = a_drawable;
+        req->context = remote_glx_ctxt_id;
+        req->oldContextTag = a_old_ctxt_tag;
+    }
+    else if (glx_major > 1 || glx_minor >= 3) {
+        xGLXMakeContextCurrentReq *req;
+
+        GetReq(GLXMakeContextCurrent, req);
+        req->reqType = major_opcode;
+        req->glxCode = X_GLXMakeContextCurrent;
+        req->drawable = a_drawable;
+        req->readdrawable = a_readable;
+        req->context = remote_glx_ctxt_id;
+        req->oldContextTag = a_old_ctxt_tag;
+    }
+    else {
+        xGLXVendorPrivateWithReplyReq *vpreq;
+        xGLXMakeCurrentReadSGIReq *req;
+
+        GetReqExtra(GLXVendorPrivateWithReply,
+                    (sz_xGLXMakeCurrentReadSGIReq -
+                     sz_xGLXVendorPrivateWithReplyReq),
+                    vpreq);
+        req = (xGLXMakeCurrentReadSGIReq *) vpreq;
+        req->reqType = major_opcode;
+        req->glxCode = X_GLXVendorPrivateWithReply;
+        req->vendorCode = X_GLXvop_MakeCurrentReadSGI;
+        req->drawable = a_drawable;
+        req->readable = a_readable;
+        req->context = remote_glx_ctxt_id;
+        req->oldContextTag = a_old_ctxt_tag;
+    }
 
     memset(&reply, 0, sizeof(reply));
     if (!_XReply(dpy, (xReply *) & reply, 0, False)) {
diff --git a/xorg-server/hw/kdrive/ephyr/ephyrhostglx.h b/xorg-server/hw/kdrive/ephyr/ephyrhostglx.h
index 9c6012070..7ff515dc2 100644
--- a/xorg-server/hw/kdrive/ephyr/ephyrhostglx.h
+++ b/xorg-server/hw/kdrive/ephyr/ephyrhostglx.h
@@ -55,13 +55,16 @@ Bool ephyrHostGLXGetMajorOpcode(int32_t * a_opcode);
 Bool ephyrHostGLXSendClientInfo(int32_t a_major, int32_t a_minor,
                                 const char *a_extension_list);
 Bool ephyrHostGLXCreateContext(int a_screen,
-                               int a_visual_id,
+                               int a_generic_id,
                                int a_context_id,
-                               int a_shared_list_ctx_id, Bool a_direct);
+                               int a_share_list_ctxt_id,
+                               int a_render_type,
+                               Bool a_direct,
+                               int code);
 
 Bool ephyrHostDestroyContext(int a_ctxt_id);
 
-Bool ephyrHostGLXMakeCurrent(int a_drawable, int a_glx_ctxt_id,
+Bool ephyrHostGLXMakeCurrent(int a_drawable, int a_readable, int a_glx_ctxt_id,
                              int a_olg_ctxt_tag, int *a_ctxt_tag);
 
 Bool ephyrHostGetIntegerValue(int a_current_context_tag, int a_int, int *a_val);