Exemple #1
0
Bool
ephyrHostDestroyContext(int a_ctxt_id)
{
    Bool is_ok = FALSE;
    Display *dpy = hostx_get_display();
    int major_opcode = 0, remote_ctxt_id = 0;
    xGLXDestroyContextReq *req = NULL;

    EPHYR_LOG("enter:%d\n", a_ctxt_id);

    if (!ephyrHostGLXGetMajorOpcode(&major_opcode)) {
        EPHYR_LOG_ERROR("failed to get major opcode\n");
        goto out;
    }
    if (!hostx_get_resource_id_peer(a_ctxt_id, &remote_ctxt_id)) {
        EPHYR_LOG_ERROR("failed to get remote glx ctxt id\n");
        goto out;
    }
    EPHYR_LOG("host context id:%d\n", remote_ctxt_id);

    LockDisplay(dpy);
    GetReq(GLXDestroyContext, req);
    req->reqType = major_opcode;
    req->glxCode = X_GLXDestroyContext;
    req->context = remote_ctxt_id;
    UnlockDisplay(dpy);
    SyncHandle();

    is_ok = TRUE;

 out:
    EPHYR_LOG("leave\n");
    return is_ok;
}
Exemple #2
0
Bool
ephyrHostGLXQueryVersion(int *a_major, int *a_minor)
{
    Bool is_ok = FALSE;
    Display *dpy = hostx_get_display();
    int major_opcode = 0;
    xGLXQueryVersionReq *req = NULL;
    xGLXQueryVersionReply reply;

    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;
    }
    EPHYR_LOG("major opcode: %d\n", major_opcode);

    /* Send the glXQueryVersion request */
    memset(&reply, 0, sizeof(reply));
    LockDisplay(dpy);
    GetReq(GLXQueryVersion, req);
    req->reqType = major_opcode;
    req->glxCode = X_GLXQueryVersion;
    req->majorVersion = 2;
    req->minorVersion = 1;
    _XReply(dpy, (xReply *) &reply, 0, False);
    UnlockDisplay(dpy);
    SyncHandle();

    *a_major = glx_major = reply.majorVersion;
    *a_minor = glx_minor = reply.minorVersion;

    EPHYR_LOG("major:%d, minor:%d\n", *a_major, *a_minor);

    is_ok = TRUE;
 out:
    EPHYR_LOG("leave\n");
    return is_ok;
}
Exemple #3
0
Bool
ephyrHostIsContextDirect(int a_ctxt_id, int *a_is_direct)
{
    Bool is_ok = FALSE;
    Display *dpy = hostx_get_display();
    xGLXIsDirectReq *req = NULL;
    xGLXIsDirectReply reply;
    int major_opcode = 0, remote_glx_ctxt_id = 0;

    EPHYR_LOG("enter\n");
    if (!ephyrHostGLXGetMajorOpcode(&major_opcode)) {
        EPHYR_LOG_ERROR("failed to get major opcode\n");
        goto out;
    }
    if (!hostx_get_resource_id_peer(a_ctxt_id, &remote_glx_ctxt_id)) {
        EPHYR_LOG_ERROR("failed to get remote glx ctxt id\n");
        goto out;
    }
    memset(&reply, 0, sizeof(reply));

    /* Send the glXIsDirect request */
    LockDisplay(dpy);
    GetReq(GLXIsDirect, req);
    req->reqType = major_opcode;
    req->glxCode = X_GLXIsDirect;
    req->context = remote_glx_ctxt_id;
    if (!_XReply(dpy, (xReply *) &reply, 0, False)) {
        EPHYR_LOG_ERROR("fail in reading reply from host\n");
        UnlockDisplay(dpy);
        SyncHandle();
        goto out;
    }
    UnlockDisplay(dpy);
    SyncHandle();
    *a_is_direct = reply.isDirect;
    is_ok = TRUE;

 out:
    EPHYR_LOG("leave\n");
    return is_ok;
}
Exemple #4
0
Bool
ephyrHostGetIntegerValue(int a_current_context_tag, int a_int, int *a_val)
{
    Bool is_ok = FALSE;
    Display *dpy = hostx_get_display();
    int major_opcode = 0, size = 0;
    xGLXSingleReq *req = NULL;
    xGLXSingleReply reply;
    unsigned char *pc = NULL;

    EPHYR_RETURN_VAL_IF_FAIL(a_val, FALSE);

    EPHYR_LOG("enter\n");
    if (!ephyrHostGLXGetMajorOpcode(&major_opcode)) {
        EPHYR_LOG_ERROR("failed to get major opcode\n");
        goto out;
    }
    LockDisplay(dpy);
    GetReqExtra(GLXSingle, 4, req);
    req->reqType = major_opcode;
    req->glxCode = X_GLsop_GetIntegerv;
    req->contextTag = a_current_context_tag;
    pc = ((unsigned char *) (req) + sz_xGLXSingleReq);
    EPHYR_GLX_SINGLE_PUT_LONG(0, a_int);
    EPHYR_GLX_SINGLE_READ_XREPLY();
    EPHYR_GLX_SINGLE_GET_SIZE(size);
    if (!size) {
        UnlockDisplay(dpy);
        SyncHandle();
        EPHYR_LOG_ERROR("X_GLsop_GetIngerv failed\n");
        goto out;
    }
    EPHYR_GLX_SINGLE_GET_LONG(a_val);
    UnlockDisplay(dpy);
    SyncHandle();
    is_ok = TRUE;

 out:
    EPHYR_LOG("leave\n");
    return is_ok;
}
Exemple #5
0
Bool
ephyrHostGLXSendClientInfo(int32_t a_major, int32_t a_minor,
                           const char *a_extension_list)
{
    Bool is_ok = FALSE;
    Display *dpy = hostx_get_display();
    xGLXClientInfoReq *req;
    int size;
    int32_t major_opcode = 0;

    EPHYR_RETURN_VAL_IF_FAIL(dpy && a_extension_list, FALSE);

    if (!ephyrHostGLXGetMajorOpcode(&major_opcode)) {
        EPHYR_LOG_ERROR("failed to get major opcode\n");
        goto out;
    }

    LockDisplay(dpy);

    GetReq(GLXClientInfo, req);
    req->reqType = major_opcode;
    req->glxCode = X_GLXClientInfo;
    req->major = a_major;
    req->minor = a_minor;

    size = strlen(a_extension_list) + 1;
    req->length += bytes_to_int32(size);
    req->numbytes = size;
    Data(dpy, a_extension_list, size);

    UnlockDisplay(dpy);
    SyncHandle();

    is_ok = TRUE;

 out:
    return is_ok;
}
Exemple #6
0
Bool
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;
    xGLXMakeCurrentReply reply;

    EPHYR_RETURN_VAL_IF_FAIL(a_ctxt_tag, FALSE);

    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");
        goto out;
    }
    if (!hostx_get_resource_id_peer(a_glx_ctxt_id, &remote_glx_ctxt_id)) {
        EPHYR_LOG_ERROR("failed to get remote glx ctxt id\n");
        goto out;
    }

    LockDisplay(dpy);

    /* 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)) {
        EPHYR_LOG_ERROR("failed to get reply from host\n");
        UnlockDisplay(dpy);
        SyncHandle();
        goto out;
    }
    UnlockDisplay(dpy);
    SyncHandle();
    *a_ctxt_tag = reply.contextTag;
    EPHYR_LOG("context tag:%d\n", *a_ctxt_tag);
    is_ok = TRUE;

 out:
    EPHYR_LOG("leave\n");
    return is_ok;
}
Exemple #7
0
Bool
ephyrHostGLXCreateContext(int a_screen,
                          int a_generic_id,
                          int a_context_id,
                          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;

    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",
                        remote_context_id);
        goto out;
    }

    if (!ephyrHostGLXGetMajorOpcode(&major_opcode)) {
        EPHYR_LOG_ERROR("failed to get major opcode\n");
        goto out;
    }

    LockDisplay(dpy);

    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();

    is_ok = TRUE;

 out:
    EPHYR_LOG("leave\n");
    return is_ok;
}
Exemple #8
0
static Bool
ephyrHostGLXGetVisualConfigsInternal(enum VisualConfRequestType a_type,
                                     int32_t a_screen,
                                     int32_t * a_num_visuals,
                                     int32_t * a_num_props,
                                     int32_t * a_props_buf_size,
                                     int32_t ** a_props_buf)
{
    Bool is_ok = FALSE;
    Display *dpy = hostx_get_display();
    xGLXGetVisualConfigsReq *req;
    xGLXGetFBConfigsReq *fb_req;
    xGLXVendorPrivateWithReplyReq *vpreq;
    xGLXGetFBConfigsSGIXReq *sgi_req;
    xGLXGetVisualConfigsReply reply;
    char *server_glx_version = NULL, *server_glx_extensions = NULL;
    int j = 0,
        screens = 0,
        major_opcode = 0,
        num_props = 0,
        num_visuals = 0, props_buf_size = 0, props_per_visual_size = 0;
    int32_t *props_buf = NULL;

    EPHYR_RETURN_VAL_IF_FAIL(dpy, FALSE);

    screens = ScreenCount(dpy);
    if (!ephyrHostGLXGetMajorOpcode(&major_opcode)) {
        EPHYR_LOG_ERROR("failed to get opcode\n");
        goto out;
    }

    LockDisplay(dpy);
    switch (a_type) {
    case EPHYR_GET_FB_CONFIG:
        GetReq(GLXGetFBConfigs, fb_req);
        fb_req->reqType = major_opcode;
        fb_req->glxCode = X_GLXGetFBConfigs;
        fb_req->screen = DefaultScreen(dpy);
        break;

    case EPHYR_VENDOR_PRIV_GET_FB_CONFIG_SGIX:
        GetReqExtra(GLXVendorPrivateWithReply,
                    sz_xGLXGetFBConfigsSGIXReq
                    - sz_xGLXVendorPrivateWithReplyReq, vpreq);
        sgi_req = (xGLXGetFBConfigsSGIXReq *) vpreq;
        sgi_req->reqType = major_opcode;
        sgi_req->glxCode = X_GLXVendorPrivateWithReply;
        sgi_req->vendorCode = X_GLXvop_GetFBConfigsSGIX;
        sgi_req->screen = DefaultScreen(dpy);
        break;

    case EPHYR_GET_VISUAL_CONFIGS:
        GetReq(GLXGetVisualConfigs, req);
        req->reqType = major_opcode;
        req->glxCode = X_GLXGetVisualConfigs;
        req->screen = DefaultScreen(dpy);
        break;
    }

    if (!_XReply(dpy, (xReply *) &reply, 0, False)) {
        EPHYR_LOG_ERROR("unknown error\n");
        UnlockDisplay(dpy);
        goto out;
    }
    if (!reply.numVisuals) {
        EPHYR_LOG_ERROR("screen does not support GL rendering\n");
        UnlockDisplay(dpy);
        goto out;
    }
    num_visuals = reply.numVisuals;

    /* FIXME: Is the __GLX_MIN_CONFIG_PROPS test correct for
     * FIXME: FBconfigs? 
     */
    /* Check number of properties */
    num_props = reply.numProps;
    if ((num_props < __GLX_MIN_CONFIG_PROPS) ||
        (num_props > __GLX_MAX_CONFIG_PROPS)) {
        /* Huh?  Not in protocol defined limits.  Punt */
        EPHYR_LOG_ERROR("got a bad reply to request\n");
        UnlockDisplay(dpy);
        goto out;
    }

    if (a_type != EPHYR_GET_VISUAL_CONFIGS) {
        num_props *= 2;
    }
    props_per_visual_size = num_props * __GLX_SIZE_INT32;
    props_buf_size = props_per_visual_size * reply.numVisuals;
    props_buf = malloc(props_buf_size);
    for (j = 0; j < reply.numVisuals; j++) {
        if (_XRead(dpy,
                   &((char *) props_buf)[j * props_per_visual_size],
                   props_per_visual_size) != Success) {
            EPHYR_LOG_ERROR("read failed\n");
        }
    }
    UnlockDisplay(dpy);

    *a_num_visuals = num_visuals;
    *a_num_props = reply.numProps;
    *a_props_buf_size = props_buf_size;
    *a_props_buf = props_buf;
    is_ok = TRUE;

 out:
    if (server_glx_version) {
        XFree(server_glx_version);
        server_glx_version = NULL;
    }
    if (server_glx_extensions) {
        XFree(server_glx_extensions);
        server_glx_extensions = NULL;
    }
    SyncHandle();
    return is_ok;
}
Exemple #9
0
Bool
ephyrHostGLXGetStringFromServer(int a_screen_number,
                                int a_string_name,
                                enum EphyrHostGLXGetStringOps a_op,
                                char **a_string)
{
    Bool is_ok = FALSE;
    Display *dpy = hostx_get_display();
    int default_screen = DefaultScreen(dpy);
    xGLXGenericGetStringReq *req = NULL;
    xGLXSingleReply reply;
    unsigned long length = 0, numbytes = 0;
    int major_opcode = 0, get_string_op = 0;

    EPHYR_RETURN_VAL_IF_FAIL(dpy && a_string, FALSE);

    EPHYR_LOG("enter\n");
    switch (a_op) {
    case EPHYR_HOST_GLX_QueryServerString:
        get_string_op = X_GLXQueryServerString;
        break;
    case EPHYR_HOST_GLX_GetString:
        get_string_op = X_GLsop_GetString;
        EPHYR_LOG("Going to glXGetString. strname:%#x, ctxttag:%d\n",
                  a_string_name, a_screen_number);
        break;
    default:
        EPHYR_LOG_ERROR("unknown EphyrHostGLXGetStringOp:%d\n", a_op);
        goto out;
    }

    if (!ephyrHostGLXGetMajorOpcode(&major_opcode)) {
        EPHYR_LOG_ERROR("failed to get major opcode\n");
        goto out;
    }
    EPHYR_LOG("major opcode: %d\n", major_opcode);

    LockDisplay(dpy);

    /* All of the GLX protocol requests for getting a string from the server
     * look the same.  The exact meaning of the a_for_whom field is usually
     * either the screen number (for glXQueryServerString) or the context tag
     * (for GLXSingle).
     */
    GetReq(GLXGenericGetString, req);
    req->reqType = major_opcode;
    req->glxCode = get_string_op;
    req->for_whom = default_screen;
    req->name = a_string_name;

    _XReply(dpy, (xReply *) &reply, 0, False);

#if UINT32_MAX >= (ULONG_MAX / 4)
    if (reply.length >= (ULONG_MAX / 4)) {
        _XEatDataWords(dpy, reply.length);
        goto eat_out;
    }
#endif
    if (reply.length > 0) {
        length = (unsigned long) reply.length * 4;
        numbytes = reply.size;
        if (numbytes > length) {
            EPHYR_LOG_ERROR("string length %d longer than reply length %d\n",
                            numbytes, length);
            goto eat_out;
        }
    }
    EPHYR_LOG("going to get a string of size:%d\n", numbytes);

    if (numbytes < INT_MAX)
        *a_string = Xcalloc(numbytes + 1, 1);
    else
        *a_string = NULL;
    if (*a_string == NULL) {
        EPHYR_LOG_ERROR("allocation failed\n");
        goto eat_out;
    }

    if (_XRead(dpy, *a_string, numbytes)) {
        EPHYR_LOG_ERROR("read failed\n");
        length = 0; /* if read failed, no idea how much to eat */
    }
    else {
        length -= numbytes;
        EPHYR_LOG("strname:%#x, strvalue:'%s', strlen:%d\n",
                  a_string_name, *a_string, numbytes);
        is_ok = TRUE;
    }

 eat_out:
    _XEatData(dpy, length);
    UnlockDisplay(dpy);
    SyncHandle();

 out:
    EPHYR_LOG("leave\n");
    return is_ok;
}
Exemple #10
0
Bool
ephyrHostGLXGetStringFromServer(int a_screen_number,
                                int a_string_name,
                                enum EphyrHostGLXGetStringOps a_op,
                                char **a_string)
{
    Bool is_ok = FALSE;
    Display *dpy = hostx_get_display();
    int default_screen = DefaultScreen(dpy);
    xGLXGenericGetStringReq *req = NULL;
    xGLXSingleReply reply;
    int length = 0, numbytes = 0, major_opcode = 0, get_string_op = 0;

    EPHYR_RETURN_VAL_IF_FAIL(dpy && a_string, FALSE);

    EPHYR_LOG("enter\n");
    switch (a_op) {
    case EPHYR_HOST_GLX_QueryServerString:
        get_string_op = X_GLXQueryServerString;
        break;
    case EPHYR_HOST_GLX_GetString:
        get_string_op = X_GLsop_GetString;
        EPHYR_LOG("Going to glXGetString. strname:%#x, ctxttag:%d\n",
                  a_string_name, a_screen_number);
        break;
    default:
        EPHYR_LOG_ERROR("unknown EphyrHostGLXGetStringOp:%d\n", a_op);
        goto out;
    }

    if (!ephyrHostGLXGetMajorOpcode(&major_opcode)) {
        EPHYR_LOG_ERROR("failed to get major opcode\n");
        goto out;
    }
    EPHYR_LOG("major opcode: %d\n", major_opcode);

    LockDisplay(dpy);

    /* All of the GLX protocol requests for getting a string from the server
     * look the same.  The exact meaning of the a_for_whom field is usually
     * either the screen number (for glXQueryServerString) or the context tag
     * (for GLXSingle).
     */
    GetReq(GLXGenericGetString, req);
    req->reqType = major_opcode;
    req->glxCode = get_string_op;
    req->for_whom = default_screen;
    req->name = a_string_name;

    _XReply(dpy, (xReply *) &reply, 0, False);

    length = reply.length * 4;
    if (!length) {
        numbytes = 0;
    }
    else {
        numbytes = reply.size;
    }
    EPHYR_LOG("going to get a string of size:%d\n", numbytes);

    *a_string = (char *) Xmalloc(numbytes + 1);
    if (!a_string) {
        EPHYR_LOG_ERROR("allocation failed\n");
        goto out;
    }

    memset(*a_string, 0, numbytes + 1);
    if (_XRead(dpy, *a_string, numbytes)) {
        UnlockDisplay(dpy);
        SyncHandle();
        EPHYR_LOG_ERROR("read failed\n");
        goto out;
    }
    length -= numbytes;
    _XEatData(dpy, length);
    UnlockDisplay(dpy);
    SyncHandle();
    EPHYR_LOG("strname:%#x, strvalue:'%s', strlen:%d\n",
              a_string_name, *a_string, numbytes);

    is_ok = TRUE;
 out:
    EPHYR_LOG("leave\n");
    return is_ok;
}