1235 lines
36 KiB
Go
1235 lines
36 KiB
Go
// Package xf86dri is the X client API for the XFree86-DRI extension.
|
|
package xf86dri
|
|
|
|
/*
|
|
This file was generated by xf86dri.xml on May 11 2012 11:57:19pm EDT.
|
|
This file is automatically generated. Edit at your peril!
|
|
*/
|
|
|
|
import (
|
|
"github.com/BurntSushi/xgb"
|
|
|
|
"github.com/BurntSushi/xgb/xproto"
|
|
)
|
|
|
|
// Init must be called before using the XFree86-DRI extension.
|
|
func Init(c *xgb.Conn) error {
|
|
reply, err := xproto.QueryExtension(c, 11, "XFree86-DRI").Reply()
|
|
switch {
|
|
case err != nil:
|
|
return err
|
|
case !reply.Present:
|
|
return xgb.Errorf("No extension named XFree86-DRI could be found on on the server.")
|
|
}
|
|
|
|
xgb.ExtLock.Lock()
|
|
c.Extensions["XFree86-DRI"] = reply.MajorOpcode
|
|
for evNum, fun := range xgb.NewExtEventFuncs["XFree86-DRI"] {
|
|
xgb.NewEventFuncs[int(reply.FirstEvent)+evNum] = fun
|
|
}
|
|
for errNum, fun := range xgb.NewExtErrorFuncs["XFree86-DRI"] {
|
|
xgb.NewErrorFuncs[int(reply.FirstError)+errNum] = fun
|
|
}
|
|
xgb.ExtLock.Unlock()
|
|
|
|
return nil
|
|
}
|
|
|
|
func init() {
|
|
xgb.NewExtEventFuncs["XFree86-DRI"] = make(map[int]xgb.NewEventFun)
|
|
xgb.NewExtErrorFuncs["XFree86-DRI"] = make(map[int]xgb.NewErrorFun)
|
|
}
|
|
|
|
// Skipping definition for base type 'Float'
|
|
|
|
// Skipping definition for base type 'Card8'
|
|
|
|
// Skipping definition for base type 'Int16'
|
|
|
|
// Skipping definition for base type 'Int32'
|
|
|
|
// Skipping definition for base type 'Void'
|
|
|
|
// Skipping definition for base type 'Byte'
|
|
|
|
// Skipping definition for base type 'Int8'
|
|
|
|
// Skipping definition for base type 'Card16'
|
|
|
|
// Skipping definition for base type 'Char'
|
|
|
|
// Skipping definition for base type 'Card32'
|
|
|
|
// Skipping definition for base type 'Double'
|
|
|
|
// Skipping definition for base type 'Bool'
|
|
|
|
type DrmClipRect struct {
|
|
X1 int16
|
|
Y1 int16
|
|
X2 int16
|
|
X3 int16
|
|
}
|
|
|
|
// DrmClipRectRead reads a byte slice into a DrmClipRect value.
|
|
func DrmClipRectRead(buf []byte, v *DrmClipRect) int {
|
|
b := 0
|
|
|
|
v.X1 = int16(xgb.Get16(buf[b:]))
|
|
b += 2
|
|
|
|
v.Y1 = int16(xgb.Get16(buf[b:]))
|
|
b += 2
|
|
|
|
v.X2 = int16(xgb.Get16(buf[b:]))
|
|
b += 2
|
|
|
|
v.X3 = int16(xgb.Get16(buf[b:]))
|
|
b += 2
|
|
|
|
return b
|
|
}
|
|
|
|
// DrmClipRectReadList reads a byte slice into a list of DrmClipRect values.
|
|
func DrmClipRectReadList(buf []byte, dest []DrmClipRect) int {
|
|
b := 0
|
|
for i := 0; i < len(dest); i++ {
|
|
dest[i] = DrmClipRect{}
|
|
b += DrmClipRectRead(buf[b:], &dest[i])
|
|
}
|
|
return xgb.Pad(b)
|
|
}
|
|
|
|
// Bytes writes a DrmClipRect value to a byte slice.
|
|
func (v DrmClipRect) Bytes() []byte {
|
|
buf := make([]byte, 8)
|
|
b := 0
|
|
|
|
xgb.Put16(buf[b:], uint16(v.X1))
|
|
b += 2
|
|
|
|
xgb.Put16(buf[b:], uint16(v.Y1))
|
|
b += 2
|
|
|
|
xgb.Put16(buf[b:], uint16(v.X2))
|
|
b += 2
|
|
|
|
xgb.Put16(buf[b:], uint16(v.X3))
|
|
b += 2
|
|
|
|
return buf
|
|
}
|
|
|
|
// DrmClipRectListBytes writes a list of %s(MISSING) values to a byte slice.
|
|
func DrmClipRectListBytes(buf []byte, list []DrmClipRect) int {
|
|
b := 0
|
|
var structBytes []byte
|
|
for _, item := range list {
|
|
structBytes = item.Bytes()
|
|
copy(buf[b:], structBytes)
|
|
b += xgb.Pad(len(structBytes))
|
|
}
|
|
return b
|
|
}
|
|
|
|
// QueryVersionCookie is a cookie used only for QueryVersion requests.
|
|
type QueryVersionCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// QueryVersion sends a checked request.
|
|
// If an error occurs, it will be returned with the reply by calling QueryVersionCookie.Reply()
|
|
func QueryVersion(c *xgb.Conn) QueryVersionCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, true)
|
|
c.NewRequest(queryVersionRequest(c), cookie)
|
|
return QueryVersionCookie{cookie}
|
|
}
|
|
|
|
// QueryVersionUnchecked sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func QueryVersionUnchecked(c *xgb.Conn) QueryVersionCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, true)
|
|
c.NewRequest(queryVersionRequest(c), cookie)
|
|
return QueryVersionCookie{cookie}
|
|
}
|
|
|
|
// QueryVersionReply represents the data returned from a QueryVersion request.
|
|
type QueryVersionReply struct {
|
|
Sequence uint16 // sequence number of the request for this reply
|
|
Length uint32 // number of bytes in this reply
|
|
// padding: 1 bytes
|
|
DriMajorVersion uint16
|
|
DriMinorVersion uint16
|
|
DriMinorPatch uint32
|
|
}
|
|
|
|
// Reply blocks and returns the reply data for a QueryVersion request.
|
|
func (cook QueryVersionCookie) Reply() (*QueryVersionReply, error) {
|
|
buf, err := cook.Cookie.Reply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if buf == nil {
|
|
return nil, nil
|
|
}
|
|
return queryVersionReply(buf), nil
|
|
}
|
|
|
|
// queryVersionReply reads a byte slice into a QueryVersionReply value.
|
|
func queryVersionReply(buf []byte) *QueryVersionReply {
|
|
v := new(QueryVersionReply)
|
|
b := 1 // skip reply determinant
|
|
|
|
b += 1 // padding
|
|
|
|
v.Sequence = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
v.Length = xgb.Get32(buf[b:]) // 4-byte units
|
|
b += 4
|
|
|
|
v.DriMajorVersion = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
v.DriMinorVersion = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
v.DriMinorPatch = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
return v
|
|
}
|
|
|
|
// Write request to wire for QueryVersion
|
|
// queryVersionRequest writes a QueryVersion request to a byte slice.
|
|
func queryVersionRequest(c *xgb.Conn) []byte {
|
|
size := 4
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
buf[b] = c.Extensions["XFREE86-DRI"]
|
|
b += 1
|
|
|
|
buf[b] = 0 // request opcode
|
|
b += 1
|
|
|
|
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
|
b += 2
|
|
|
|
return buf
|
|
}
|
|
|
|
// QueryDirectRenderingCapableCookie is a cookie used only for QueryDirectRenderingCapable requests.
|
|
type QueryDirectRenderingCapableCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// QueryDirectRenderingCapable sends a checked request.
|
|
// If an error occurs, it will be returned with the reply by calling QueryDirectRenderingCapableCookie.Reply()
|
|
func QueryDirectRenderingCapable(c *xgb.Conn, Screen uint32) QueryDirectRenderingCapableCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'QueryDirectRenderingCapable' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, true)
|
|
c.NewRequest(queryDirectRenderingCapableRequest(c, Screen), cookie)
|
|
return QueryDirectRenderingCapableCookie{cookie}
|
|
}
|
|
|
|
// QueryDirectRenderingCapableUnchecked sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func QueryDirectRenderingCapableUnchecked(c *xgb.Conn, Screen uint32) QueryDirectRenderingCapableCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'QueryDirectRenderingCapable' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, true)
|
|
c.NewRequest(queryDirectRenderingCapableRequest(c, Screen), cookie)
|
|
return QueryDirectRenderingCapableCookie{cookie}
|
|
}
|
|
|
|
// QueryDirectRenderingCapableReply represents the data returned from a QueryDirectRenderingCapable request.
|
|
type QueryDirectRenderingCapableReply struct {
|
|
Sequence uint16 // sequence number of the request for this reply
|
|
Length uint32 // number of bytes in this reply
|
|
// padding: 1 bytes
|
|
IsCapable bool
|
|
}
|
|
|
|
// Reply blocks and returns the reply data for a QueryDirectRenderingCapable request.
|
|
func (cook QueryDirectRenderingCapableCookie) Reply() (*QueryDirectRenderingCapableReply, error) {
|
|
buf, err := cook.Cookie.Reply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if buf == nil {
|
|
return nil, nil
|
|
}
|
|
return queryDirectRenderingCapableReply(buf), nil
|
|
}
|
|
|
|
// queryDirectRenderingCapableReply reads a byte slice into a QueryDirectRenderingCapableReply value.
|
|
func queryDirectRenderingCapableReply(buf []byte) *QueryDirectRenderingCapableReply {
|
|
v := new(QueryDirectRenderingCapableReply)
|
|
b := 1 // skip reply determinant
|
|
|
|
b += 1 // padding
|
|
|
|
v.Sequence = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
v.Length = xgb.Get32(buf[b:]) // 4-byte units
|
|
b += 4
|
|
|
|
if buf[b] == 1 {
|
|
v.IsCapable = true
|
|
} else {
|
|
v.IsCapable = false
|
|
}
|
|
b += 1
|
|
|
|
return v
|
|
}
|
|
|
|
// Write request to wire for QueryDirectRenderingCapable
|
|
// queryDirectRenderingCapableRequest writes a QueryDirectRenderingCapable request to a byte slice.
|
|
func queryDirectRenderingCapableRequest(c *xgb.Conn, Screen uint32) []byte {
|
|
size := 8
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
buf[b] = c.Extensions["XFREE86-DRI"]
|
|
b += 1
|
|
|
|
buf[b] = 1 // request opcode
|
|
b += 1
|
|
|
|
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
|
b += 2
|
|
|
|
xgb.Put32(buf[b:], Screen)
|
|
b += 4
|
|
|
|
return buf
|
|
}
|
|
|
|
// OpenConnectionCookie is a cookie used only for OpenConnection requests.
|
|
type OpenConnectionCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// OpenConnection sends a checked request.
|
|
// If an error occurs, it will be returned with the reply by calling OpenConnectionCookie.Reply()
|
|
func OpenConnection(c *xgb.Conn, Screen uint32) OpenConnectionCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'OpenConnection' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, true)
|
|
c.NewRequest(openConnectionRequest(c, Screen), cookie)
|
|
return OpenConnectionCookie{cookie}
|
|
}
|
|
|
|
// OpenConnectionUnchecked sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func OpenConnectionUnchecked(c *xgb.Conn, Screen uint32) OpenConnectionCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'OpenConnection' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, true)
|
|
c.NewRequest(openConnectionRequest(c, Screen), cookie)
|
|
return OpenConnectionCookie{cookie}
|
|
}
|
|
|
|
// OpenConnectionReply represents the data returned from a OpenConnection request.
|
|
type OpenConnectionReply struct {
|
|
Sequence uint16 // sequence number of the request for this reply
|
|
Length uint32 // number of bytes in this reply
|
|
// padding: 1 bytes
|
|
SareaHandleLow uint32
|
|
SareaHandleHigh uint32
|
|
BusIdLen uint32
|
|
// padding: 12 bytes
|
|
BusId string // size: xgb.Pad((int(BusIdLen) * 1))
|
|
}
|
|
|
|
// Reply blocks and returns the reply data for a OpenConnection request.
|
|
func (cook OpenConnectionCookie) Reply() (*OpenConnectionReply, error) {
|
|
buf, err := cook.Cookie.Reply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if buf == nil {
|
|
return nil, nil
|
|
}
|
|
return openConnectionReply(buf), nil
|
|
}
|
|
|
|
// openConnectionReply reads a byte slice into a OpenConnectionReply value.
|
|
func openConnectionReply(buf []byte) *OpenConnectionReply {
|
|
v := new(OpenConnectionReply)
|
|
b := 1 // skip reply determinant
|
|
|
|
b += 1 // padding
|
|
|
|
v.Sequence = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
v.Length = xgb.Get32(buf[b:]) // 4-byte units
|
|
b += 4
|
|
|
|
v.SareaHandleLow = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
v.SareaHandleHigh = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
v.BusIdLen = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
b += 12 // padding
|
|
|
|
{
|
|
byteString := make([]byte, v.BusIdLen)
|
|
copy(byteString[:v.BusIdLen], buf[b:])
|
|
v.BusId = string(byteString)
|
|
b += xgb.Pad(int(v.BusIdLen))
|
|
}
|
|
|
|
return v
|
|
}
|
|
|
|
// Write request to wire for OpenConnection
|
|
// openConnectionRequest writes a OpenConnection request to a byte slice.
|
|
func openConnectionRequest(c *xgb.Conn, Screen uint32) []byte {
|
|
size := 8
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
buf[b] = c.Extensions["XFREE86-DRI"]
|
|
b += 1
|
|
|
|
buf[b] = 2 // request opcode
|
|
b += 1
|
|
|
|
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
|
b += 2
|
|
|
|
xgb.Put32(buf[b:], Screen)
|
|
b += 4
|
|
|
|
return buf
|
|
}
|
|
|
|
// CloseConnectionCookie is a cookie used only for CloseConnection requests.
|
|
type CloseConnectionCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// CloseConnection sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func CloseConnection(c *xgb.Conn, Screen uint32) CloseConnectionCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'CloseConnection' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, false)
|
|
c.NewRequest(closeConnectionRequest(c, Screen), cookie)
|
|
return CloseConnectionCookie{cookie}
|
|
}
|
|
|
|
// CloseConnectionChecked sends a checked request.
|
|
// If an error occurs, it can be retrieved using CloseConnectionCookie.Check()
|
|
func CloseConnectionChecked(c *xgb.Conn, Screen uint32) CloseConnectionCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'CloseConnection' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, false)
|
|
c.NewRequest(closeConnectionRequest(c, Screen), cookie)
|
|
return CloseConnectionCookie{cookie}
|
|
}
|
|
|
|
// Check returns an error if one occurred for checked requests that are not expecting a reply.
|
|
// This cannot be called for requests expecting a reply, nor for unchecked requests.
|
|
func (cook CloseConnectionCookie) Check() error {
|
|
return cook.Cookie.Check()
|
|
}
|
|
|
|
// Write request to wire for CloseConnection
|
|
// closeConnectionRequest writes a CloseConnection request to a byte slice.
|
|
func closeConnectionRequest(c *xgb.Conn, Screen uint32) []byte {
|
|
size := 8
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
buf[b] = c.Extensions["XFREE86-DRI"]
|
|
b += 1
|
|
|
|
buf[b] = 3 // request opcode
|
|
b += 1
|
|
|
|
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
|
b += 2
|
|
|
|
xgb.Put32(buf[b:], Screen)
|
|
b += 4
|
|
|
|
return buf
|
|
}
|
|
|
|
// GetClientDriverNameCookie is a cookie used only for GetClientDriverName requests.
|
|
type GetClientDriverNameCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// GetClientDriverName sends a checked request.
|
|
// If an error occurs, it will be returned with the reply by calling GetClientDriverNameCookie.Reply()
|
|
func GetClientDriverName(c *xgb.Conn, Screen uint32) GetClientDriverNameCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'GetClientDriverName' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, true)
|
|
c.NewRequest(getClientDriverNameRequest(c, Screen), cookie)
|
|
return GetClientDriverNameCookie{cookie}
|
|
}
|
|
|
|
// GetClientDriverNameUnchecked sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func GetClientDriverNameUnchecked(c *xgb.Conn, Screen uint32) GetClientDriverNameCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'GetClientDriverName' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, true)
|
|
c.NewRequest(getClientDriverNameRequest(c, Screen), cookie)
|
|
return GetClientDriverNameCookie{cookie}
|
|
}
|
|
|
|
// GetClientDriverNameReply represents the data returned from a GetClientDriverName request.
|
|
type GetClientDriverNameReply struct {
|
|
Sequence uint16 // sequence number of the request for this reply
|
|
Length uint32 // number of bytes in this reply
|
|
// padding: 1 bytes
|
|
ClientDriverMajorVersion uint32
|
|
ClientDriverMinorVersion uint32
|
|
ClientDriverPatchVersion uint32
|
|
ClientDriverNameLen uint32
|
|
// padding: 8 bytes
|
|
ClientDriverName string // size: xgb.Pad((int(ClientDriverNameLen) * 1))
|
|
}
|
|
|
|
// Reply blocks and returns the reply data for a GetClientDriverName request.
|
|
func (cook GetClientDriverNameCookie) Reply() (*GetClientDriverNameReply, error) {
|
|
buf, err := cook.Cookie.Reply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if buf == nil {
|
|
return nil, nil
|
|
}
|
|
return getClientDriverNameReply(buf), nil
|
|
}
|
|
|
|
// getClientDriverNameReply reads a byte slice into a GetClientDriverNameReply value.
|
|
func getClientDriverNameReply(buf []byte) *GetClientDriverNameReply {
|
|
v := new(GetClientDriverNameReply)
|
|
b := 1 // skip reply determinant
|
|
|
|
b += 1 // padding
|
|
|
|
v.Sequence = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
v.Length = xgb.Get32(buf[b:]) // 4-byte units
|
|
b += 4
|
|
|
|
v.ClientDriverMajorVersion = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
v.ClientDriverMinorVersion = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
v.ClientDriverPatchVersion = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
v.ClientDriverNameLen = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
b += 8 // padding
|
|
|
|
{
|
|
byteString := make([]byte, v.ClientDriverNameLen)
|
|
copy(byteString[:v.ClientDriverNameLen], buf[b:])
|
|
v.ClientDriverName = string(byteString)
|
|
b += xgb.Pad(int(v.ClientDriverNameLen))
|
|
}
|
|
|
|
return v
|
|
}
|
|
|
|
// Write request to wire for GetClientDriverName
|
|
// getClientDriverNameRequest writes a GetClientDriverName request to a byte slice.
|
|
func getClientDriverNameRequest(c *xgb.Conn, Screen uint32) []byte {
|
|
size := 8
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
buf[b] = c.Extensions["XFREE86-DRI"]
|
|
b += 1
|
|
|
|
buf[b] = 4 // request opcode
|
|
b += 1
|
|
|
|
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
|
b += 2
|
|
|
|
xgb.Put32(buf[b:], Screen)
|
|
b += 4
|
|
|
|
return buf
|
|
}
|
|
|
|
// CreateContextCookie is a cookie used only for CreateContext requests.
|
|
type CreateContextCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// CreateContext sends a checked request.
|
|
// If an error occurs, it will be returned with the reply by calling CreateContextCookie.Reply()
|
|
func CreateContext(c *xgb.Conn, Screen uint32, Visual uint32, Context uint32) CreateContextCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'CreateContext' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, true)
|
|
c.NewRequest(createContextRequest(c, Screen, Visual, Context), cookie)
|
|
return CreateContextCookie{cookie}
|
|
}
|
|
|
|
// CreateContextUnchecked sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func CreateContextUnchecked(c *xgb.Conn, Screen uint32, Visual uint32, Context uint32) CreateContextCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'CreateContext' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, true)
|
|
c.NewRequest(createContextRequest(c, Screen, Visual, Context), cookie)
|
|
return CreateContextCookie{cookie}
|
|
}
|
|
|
|
// CreateContextReply represents the data returned from a CreateContext request.
|
|
type CreateContextReply struct {
|
|
Sequence uint16 // sequence number of the request for this reply
|
|
Length uint32 // number of bytes in this reply
|
|
// padding: 1 bytes
|
|
HwContext uint32
|
|
}
|
|
|
|
// Reply blocks and returns the reply data for a CreateContext request.
|
|
func (cook CreateContextCookie) Reply() (*CreateContextReply, error) {
|
|
buf, err := cook.Cookie.Reply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if buf == nil {
|
|
return nil, nil
|
|
}
|
|
return createContextReply(buf), nil
|
|
}
|
|
|
|
// createContextReply reads a byte slice into a CreateContextReply value.
|
|
func createContextReply(buf []byte) *CreateContextReply {
|
|
v := new(CreateContextReply)
|
|
b := 1 // skip reply determinant
|
|
|
|
b += 1 // padding
|
|
|
|
v.Sequence = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
v.Length = xgb.Get32(buf[b:]) // 4-byte units
|
|
b += 4
|
|
|
|
v.HwContext = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
return v
|
|
}
|
|
|
|
// Write request to wire for CreateContext
|
|
// createContextRequest writes a CreateContext request to a byte slice.
|
|
func createContextRequest(c *xgb.Conn, Screen uint32, Visual uint32, Context uint32) []byte {
|
|
size := 16
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
buf[b] = c.Extensions["XFREE86-DRI"]
|
|
b += 1
|
|
|
|
buf[b] = 5 // request opcode
|
|
b += 1
|
|
|
|
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
|
b += 2
|
|
|
|
xgb.Put32(buf[b:], Screen)
|
|
b += 4
|
|
|
|
xgb.Put32(buf[b:], Visual)
|
|
b += 4
|
|
|
|
xgb.Put32(buf[b:], Context)
|
|
b += 4
|
|
|
|
return buf
|
|
}
|
|
|
|
// DestroyContextCookie is a cookie used only for DestroyContext requests.
|
|
type DestroyContextCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// DestroyContext sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func DestroyContext(c *xgb.Conn, Screen uint32, Context uint32) DestroyContextCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'DestroyContext' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, false)
|
|
c.NewRequest(destroyContextRequest(c, Screen, Context), cookie)
|
|
return DestroyContextCookie{cookie}
|
|
}
|
|
|
|
// DestroyContextChecked sends a checked request.
|
|
// If an error occurs, it can be retrieved using DestroyContextCookie.Check()
|
|
func DestroyContextChecked(c *xgb.Conn, Screen uint32, Context uint32) DestroyContextCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'DestroyContext' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, false)
|
|
c.NewRequest(destroyContextRequest(c, Screen, Context), cookie)
|
|
return DestroyContextCookie{cookie}
|
|
}
|
|
|
|
// Check returns an error if one occurred for checked requests that are not expecting a reply.
|
|
// This cannot be called for requests expecting a reply, nor for unchecked requests.
|
|
func (cook DestroyContextCookie) Check() error {
|
|
return cook.Cookie.Check()
|
|
}
|
|
|
|
// Write request to wire for DestroyContext
|
|
// destroyContextRequest writes a DestroyContext request to a byte slice.
|
|
func destroyContextRequest(c *xgb.Conn, Screen uint32, Context uint32) []byte {
|
|
size := 12
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
buf[b] = c.Extensions["XFREE86-DRI"]
|
|
b += 1
|
|
|
|
buf[b] = 6 // request opcode
|
|
b += 1
|
|
|
|
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
|
b += 2
|
|
|
|
xgb.Put32(buf[b:], Screen)
|
|
b += 4
|
|
|
|
xgb.Put32(buf[b:], Context)
|
|
b += 4
|
|
|
|
return buf
|
|
}
|
|
|
|
// CreateDrawableCookie is a cookie used only for CreateDrawable requests.
|
|
type CreateDrawableCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// CreateDrawable sends a checked request.
|
|
// If an error occurs, it will be returned with the reply by calling CreateDrawableCookie.Reply()
|
|
func CreateDrawable(c *xgb.Conn, Screen uint32, Drawable uint32) CreateDrawableCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'CreateDrawable' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, true)
|
|
c.NewRequest(createDrawableRequest(c, Screen, Drawable), cookie)
|
|
return CreateDrawableCookie{cookie}
|
|
}
|
|
|
|
// CreateDrawableUnchecked sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func CreateDrawableUnchecked(c *xgb.Conn, Screen uint32, Drawable uint32) CreateDrawableCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'CreateDrawable' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, true)
|
|
c.NewRequest(createDrawableRequest(c, Screen, Drawable), cookie)
|
|
return CreateDrawableCookie{cookie}
|
|
}
|
|
|
|
// CreateDrawableReply represents the data returned from a CreateDrawable request.
|
|
type CreateDrawableReply struct {
|
|
Sequence uint16 // sequence number of the request for this reply
|
|
Length uint32 // number of bytes in this reply
|
|
// padding: 1 bytes
|
|
HwDrawableHandle uint32
|
|
}
|
|
|
|
// Reply blocks and returns the reply data for a CreateDrawable request.
|
|
func (cook CreateDrawableCookie) Reply() (*CreateDrawableReply, error) {
|
|
buf, err := cook.Cookie.Reply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if buf == nil {
|
|
return nil, nil
|
|
}
|
|
return createDrawableReply(buf), nil
|
|
}
|
|
|
|
// createDrawableReply reads a byte slice into a CreateDrawableReply value.
|
|
func createDrawableReply(buf []byte) *CreateDrawableReply {
|
|
v := new(CreateDrawableReply)
|
|
b := 1 // skip reply determinant
|
|
|
|
b += 1 // padding
|
|
|
|
v.Sequence = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
v.Length = xgb.Get32(buf[b:]) // 4-byte units
|
|
b += 4
|
|
|
|
v.HwDrawableHandle = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
return v
|
|
}
|
|
|
|
// Write request to wire for CreateDrawable
|
|
// createDrawableRequest writes a CreateDrawable request to a byte slice.
|
|
func createDrawableRequest(c *xgb.Conn, Screen uint32, Drawable uint32) []byte {
|
|
size := 12
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
buf[b] = c.Extensions["XFREE86-DRI"]
|
|
b += 1
|
|
|
|
buf[b] = 7 // request opcode
|
|
b += 1
|
|
|
|
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
|
b += 2
|
|
|
|
xgb.Put32(buf[b:], Screen)
|
|
b += 4
|
|
|
|
xgb.Put32(buf[b:], Drawable)
|
|
b += 4
|
|
|
|
return buf
|
|
}
|
|
|
|
// DestroyDrawableCookie is a cookie used only for DestroyDrawable requests.
|
|
type DestroyDrawableCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// DestroyDrawable sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func DestroyDrawable(c *xgb.Conn, Screen uint32, Drawable uint32) DestroyDrawableCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'DestroyDrawable' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, false)
|
|
c.NewRequest(destroyDrawableRequest(c, Screen, Drawable), cookie)
|
|
return DestroyDrawableCookie{cookie}
|
|
}
|
|
|
|
// DestroyDrawableChecked sends a checked request.
|
|
// If an error occurs, it can be retrieved using DestroyDrawableCookie.Check()
|
|
func DestroyDrawableChecked(c *xgb.Conn, Screen uint32, Drawable uint32) DestroyDrawableCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'DestroyDrawable' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, false)
|
|
c.NewRequest(destroyDrawableRequest(c, Screen, Drawable), cookie)
|
|
return DestroyDrawableCookie{cookie}
|
|
}
|
|
|
|
// Check returns an error if one occurred for checked requests that are not expecting a reply.
|
|
// This cannot be called for requests expecting a reply, nor for unchecked requests.
|
|
func (cook DestroyDrawableCookie) Check() error {
|
|
return cook.Cookie.Check()
|
|
}
|
|
|
|
// Write request to wire for DestroyDrawable
|
|
// destroyDrawableRequest writes a DestroyDrawable request to a byte slice.
|
|
func destroyDrawableRequest(c *xgb.Conn, Screen uint32, Drawable uint32) []byte {
|
|
size := 12
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
buf[b] = c.Extensions["XFREE86-DRI"]
|
|
b += 1
|
|
|
|
buf[b] = 8 // request opcode
|
|
b += 1
|
|
|
|
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
|
b += 2
|
|
|
|
xgb.Put32(buf[b:], Screen)
|
|
b += 4
|
|
|
|
xgb.Put32(buf[b:], Drawable)
|
|
b += 4
|
|
|
|
return buf
|
|
}
|
|
|
|
// GetDrawableInfoCookie is a cookie used only for GetDrawableInfo requests.
|
|
type GetDrawableInfoCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// GetDrawableInfo sends a checked request.
|
|
// If an error occurs, it will be returned with the reply by calling GetDrawableInfoCookie.Reply()
|
|
func GetDrawableInfo(c *xgb.Conn, Screen uint32, Drawable uint32) GetDrawableInfoCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'GetDrawableInfo' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, true)
|
|
c.NewRequest(getDrawableInfoRequest(c, Screen, Drawable), cookie)
|
|
return GetDrawableInfoCookie{cookie}
|
|
}
|
|
|
|
// GetDrawableInfoUnchecked sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func GetDrawableInfoUnchecked(c *xgb.Conn, Screen uint32, Drawable uint32) GetDrawableInfoCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'GetDrawableInfo' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, true)
|
|
c.NewRequest(getDrawableInfoRequest(c, Screen, Drawable), cookie)
|
|
return GetDrawableInfoCookie{cookie}
|
|
}
|
|
|
|
// GetDrawableInfoReply represents the data returned from a GetDrawableInfo request.
|
|
type GetDrawableInfoReply struct {
|
|
Sequence uint16 // sequence number of the request for this reply
|
|
Length uint32 // number of bytes in this reply
|
|
// padding: 1 bytes
|
|
DrawableTableIndex uint32
|
|
DrawableTableStamp uint32
|
|
DrawableOriginX int16
|
|
DrawableOriginY int16
|
|
DrawableSizeW int16
|
|
DrawableSizeH int16
|
|
NumClipRects uint32
|
|
BackX int16
|
|
BackY int16
|
|
NumBackClipRects uint32
|
|
ClipRects []DrmClipRect // size: xgb.Pad((int(NumClipRects) * 8))
|
|
BackClipRects []DrmClipRect // size: xgb.Pad((int(NumBackClipRects) * 8))
|
|
}
|
|
|
|
// Reply blocks and returns the reply data for a GetDrawableInfo request.
|
|
func (cook GetDrawableInfoCookie) Reply() (*GetDrawableInfoReply, error) {
|
|
buf, err := cook.Cookie.Reply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if buf == nil {
|
|
return nil, nil
|
|
}
|
|
return getDrawableInfoReply(buf), nil
|
|
}
|
|
|
|
// getDrawableInfoReply reads a byte slice into a GetDrawableInfoReply value.
|
|
func getDrawableInfoReply(buf []byte) *GetDrawableInfoReply {
|
|
v := new(GetDrawableInfoReply)
|
|
b := 1 // skip reply determinant
|
|
|
|
b += 1 // padding
|
|
|
|
v.Sequence = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
v.Length = xgb.Get32(buf[b:]) // 4-byte units
|
|
b += 4
|
|
|
|
v.DrawableTableIndex = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
v.DrawableTableStamp = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
v.DrawableOriginX = int16(xgb.Get16(buf[b:]))
|
|
b += 2
|
|
|
|
v.DrawableOriginY = int16(xgb.Get16(buf[b:]))
|
|
b += 2
|
|
|
|
v.DrawableSizeW = int16(xgb.Get16(buf[b:]))
|
|
b += 2
|
|
|
|
v.DrawableSizeH = int16(xgb.Get16(buf[b:]))
|
|
b += 2
|
|
|
|
v.NumClipRects = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
v.BackX = int16(xgb.Get16(buf[b:]))
|
|
b += 2
|
|
|
|
v.BackY = int16(xgb.Get16(buf[b:]))
|
|
b += 2
|
|
|
|
v.NumBackClipRects = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
v.ClipRects = make([]DrmClipRect, v.NumClipRects)
|
|
b += DrmClipRectReadList(buf[b:], v.ClipRects)
|
|
|
|
v.BackClipRects = make([]DrmClipRect, v.NumBackClipRects)
|
|
b += DrmClipRectReadList(buf[b:], v.BackClipRects)
|
|
|
|
return v
|
|
}
|
|
|
|
// Write request to wire for GetDrawableInfo
|
|
// getDrawableInfoRequest writes a GetDrawableInfo request to a byte slice.
|
|
func getDrawableInfoRequest(c *xgb.Conn, Screen uint32, Drawable uint32) []byte {
|
|
size := 12
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
buf[b] = c.Extensions["XFREE86-DRI"]
|
|
b += 1
|
|
|
|
buf[b] = 9 // request opcode
|
|
b += 1
|
|
|
|
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
|
b += 2
|
|
|
|
xgb.Put32(buf[b:], Screen)
|
|
b += 4
|
|
|
|
xgb.Put32(buf[b:], Drawable)
|
|
b += 4
|
|
|
|
return buf
|
|
}
|
|
|
|
// GetDeviceInfoCookie is a cookie used only for GetDeviceInfo requests.
|
|
type GetDeviceInfoCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// GetDeviceInfo sends a checked request.
|
|
// If an error occurs, it will be returned with the reply by calling GetDeviceInfoCookie.Reply()
|
|
func GetDeviceInfo(c *xgb.Conn, Screen uint32) GetDeviceInfoCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'GetDeviceInfo' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, true)
|
|
c.NewRequest(getDeviceInfoRequest(c, Screen), cookie)
|
|
return GetDeviceInfoCookie{cookie}
|
|
}
|
|
|
|
// GetDeviceInfoUnchecked sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func GetDeviceInfoUnchecked(c *xgb.Conn, Screen uint32) GetDeviceInfoCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'GetDeviceInfo' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, true)
|
|
c.NewRequest(getDeviceInfoRequest(c, Screen), cookie)
|
|
return GetDeviceInfoCookie{cookie}
|
|
}
|
|
|
|
// GetDeviceInfoReply represents the data returned from a GetDeviceInfo request.
|
|
type GetDeviceInfoReply struct {
|
|
Sequence uint16 // sequence number of the request for this reply
|
|
Length uint32 // number of bytes in this reply
|
|
// padding: 1 bytes
|
|
FramebufferHandleLow uint32
|
|
FramebufferHandleHigh uint32
|
|
FramebufferOriginOffset uint32
|
|
FramebufferSize uint32
|
|
FramebufferStride uint32
|
|
DevicePrivateSize uint32
|
|
DevicePrivate []uint32 // size: xgb.Pad((int(DevicePrivateSize) * 4))
|
|
}
|
|
|
|
// Reply blocks and returns the reply data for a GetDeviceInfo request.
|
|
func (cook GetDeviceInfoCookie) Reply() (*GetDeviceInfoReply, error) {
|
|
buf, err := cook.Cookie.Reply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if buf == nil {
|
|
return nil, nil
|
|
}
|
|
return getDeviceInfoReply(buf), nil
|
|
}
|
|
|
|
// getDeviceInfoReply reads a byte slice into a GetDeviceInfoReply value.
|
|
func getDeviceInfoReply(buf []byte) *GetDeviceInfoReply {
|
|
v := new(GetDeviceInfoReply)
|
|
b := 1 // skip reply determinant
|
|
|
|
b += 1 // padding
|
|
|
|
v.Sequence = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
v.Length = xgb.Get32(buf[b:]) // 4-byte units
|
|
b += 4
|
|
|
|
v.FramebufferHandleLow = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
v.FramebufferHandleHigh = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
v.FramebufferOriginOffset = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
v.FramebufferSize = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
v.FramebufferStride = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
v.DevicePrivateSize = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
v.DevicePrivate = make([]uint32, v.DevicePrivateSize)
|
|
for i := 0; i < int(v.DevicePrivateSize); i++ {
|
|
v.DevicePrivate[i] = xgb.Get32(buf[b:])
|
|
b += 4
|
|
}
|
|
b = xgb.Pad(b)
|
|
|
|
return v
|
|
}
|
|
|
|
// Write request to wire for GetDeviceInfo
|
|
// getDeviceInfoRequest writes a GetDeviceInfo request to a byte slice.
|
|
func getDeviceInfoRequest(c *xgb.Conn, Screen uint32) []byte {
|
|
size := 8
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
buf[b] = c.Extensions["XFREE86-DRI"]
|
|
b += 1
|
|
|
|
buf[b] = 10 // request opcode
|
|
b += 1
|
|
|
|
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
|
b += 2
|
|
|
|
xgb.Put32(buf[b:], Screen)
|
|
b += 4
|
|
|
|
return buf
|
|
}
|
|
|
|
// AuthConnectionCookie is a cookie used only for AuthConnection requests.
|
|
type AuthConnectionCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// AuthConnection sends a checked request.
|
|
// If an error occurs, it will be returned with the reply by calling AuthConnectionCookie.Reply()
|
|
func AuthConnection(c *xgb.Conn, Screen uint32, Magic uint32) AuthConnectionCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'AuthConnection' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, true)
|
|
c.NewRequest(authConnectionRequest(c, Screen, Magic), cookie)
|
|
return AuthConnectionCookie{cookie}
|
|
}
|
|
|
|
// AuthConnectionUnchecked sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func AuthConnectionUnchecked(c *xgb.Conn, Screen uint32, Magic uint32) AuthConnectionCookie {
|
|
if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
|
|
panic("Cannot issue request 'AuthConnection' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, true)
|
|
c.NewRequest(authConnectionRequest(c, Screen, Magic), cookie)
|
|
return AuthConnectionCookie{cookie}
|
|
}
|
|
|
|
// AuthConnectionReply represents the data returned from a AuthConnection request.
|
|
type AuthConnectionReply struct {
|
|
Sequence uint16 // sequence number of the request for this reply
|
|
Length uint32 // number of bytes in this reply
|
|
// padding: 1 bytes
|
|
Authenticated uint32
|
|
}
|
|
|
|
// Reply blocks and returns the reply data for a AuthConnection request.
|
|
func (cook AuthConnectionCookie) Reply() (*AuthConnectionReply, error) {
|
|
buf, err := cook.Cookie.Reply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if buf == nil {
|
|
return nil, nil
|
|
}
|
|
return authConnectionReply(buf), nil
|
|
}
|
|
|
|
// authConnectionReply reads a byte slice into a AuthConnectionReply value.
|
|
func authConnectionReply(buf []byte) *AuthConnectionReply {
|
|
v := new(AuthConnectionReply)
|
|
b := 1 // skip reply determinant
|
|
|
|
b += 1 // padding
|
|
|
|
v.Sequence = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
v.Length = xgb.Get32(buf[b:]) // 4-byte units
|
|
b += 4
|
|
|
|
v.Authenticated = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
return v
|
|
}
|
|
|
|
// Write request to wire for AuthConnection
|
|
// authConnectionRequest writes a AuthConnection request to a byte slice.
|
|
func authConnectionRequest(c *xgb.Conn, Screen uint32, Magic uint32) []byte {
|
|
size := 12
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
buf[b] = c.Extensions["XFREE86-DRI"]
|
|
b += 1
|
|
|
|
buf[b] = 11 // request opcode
|
|
b += 1
|
|
|
|
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
|
b += 2
|
|
|
|
xgb.Put32(buf[b:], Screen)
|
|
b += 4
|
|
|
|
xgb.Put32(buf[b:], Magic)
|
|
b += 4
|
|
|
|
return buf
|
|
}
|