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-rw-r--r--nexgb/xf86dri/xf86dri.go1301
1 files changed, 1301 insertions, 0 deletions
diff --git a/nexgb/xf86dri/xf86dri.go b/nexgb/xf86dri/xf86dri.go
new file mode 100644
index 0000000..06f49a0
--- /dev/null
+++ b/nexgb/xf86dri/xf86dri.go
@@ -0,0 +1,1301 @@
+// Package xf86dri is the X client API for the XFree86-DRI extension.
+package xf86dri
+
+// This file is automatically generated from xf86dri.xml. 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.")
+ }
+
+ c.ExtLock.Lock()
+ c.Extensions["XFree86-DRI"] = reply.MajorOpcode
+ c.ExtLock.Unlock()
+ 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
+ }
+ return nil
+}
+
+func init() {
+ xgb.NewExtEventFuncs["XFree86-DRI"] = make(map[int]xgb.NewEventFun)
+ xgb.NewExtErrorFuncs["XFree86-DRI"] = make(map[int]xgb.NewErrorFun)
+}
+
+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[:b]
+}
+
+// DrmClipRectListBytes writes a list of DrmClipRect 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 += len(structBytes)
+ }
+ return xgb.Pad(b)
+}
+
+// Skipping definition for base type 'Bool'
+
+// Skipping definition for base type 'Byte'
+
+// Skipping definition for base type 'Card8'
+
+// Skipping definition for base type 'Char'
+
+// Skipping definition for base type 'Void'
+
+// Skipping definition for base type 'Double'
+
+// Skipping definition for base type 'Float'
+
+// Skipping definition for base type 'Int16'
+
+// Skipping definition for base type 'Int32'
+
+// Skipping definition for base type 'Int8'
+
+// Skipping definition for base type 'Card16'
+
+// Skipping definition for base type 'Card32'
+
+// 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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)
+
+ c.ExtLock.RLock()
+ buf[b] = c.Extensions["XFree86-DRI"]
+ c.ExtLock.RUnlock()
+ 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
+}
+
+// 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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)
+
+ c.ExtLock.RLock()
+ buf[b] = c.Extensions["XFree86-DRI"]
+ c.ExtLock.RUnlock()
+ 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
+}
+
+// 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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)
+
+ c.ExtLock.RLock()
+ buf[b] = c.Extensions["XFree86-DRI"]
+ c.ExtLock.RUnlock()
+ 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
+}
+
+// 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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)
+
+ c.ExtLock.RLock()
+ buf[b] = c.Extensions["XFree86-DRI"]
+ c.ExtLock.RUnlock()
+ 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
+}
+
+// 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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)
+
+ c.ExtLock.RLock()
+ buf[b] = c.Extensions["XFree86-DRI"]
+ c.ExtLock.RUnlock()
+ 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
+}
+
+// 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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)
+
+ c.ExtLock.RLock()
+ buf[b] = c.Extensions["XFree86-DRI"]
+ c.ExtLock.RUnlock()
+ 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
+}
+
+// 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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 += 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)
+
+ c.ExtLock.RLock()
+ buf[b] = c.Extensions["XFree86-DRI"]
+ c.ExtLock.RUnlock()
+ 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
+}
+
+// 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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
+ }
+
+ 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)
+
+ c.ExtLock.RLock()
+ buf[b] = c.Extensions["XFree86-DRI"]
+ c.ExtLock.RUnlock()
+ 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
+}
+
+// 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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)
+
+ c.ExtLock.RLock()
+ buf[b] = c.Extensions["XFree86-DRI"]
+ c.ExtLock.RUnlock()
+ 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
+}
+
+// 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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 += 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)
+
+ c.ExtLock.RLock()
+ buf[b] = c.Extensions["XFree86-DRI"]
+ c.ExtLock.RUnlock()
+ 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
+}
+
+// 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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)
+
+ c.ExtLock.RLock()
+ buf[b] = c.Extensions["XFree86-DRI"]
+ c.ExtLock.RUnlock()
+ 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
+}
+
+// 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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 {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ 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)
+
+ c.ExtLock.RLock()
+ buf[b] = c.Extensions["XFree86-DRI"]
+ c.ExtLock.RUnlock()
+ 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
+}