// Package xf86dri is the X client API for the XFree86-DRI extension. package xf86dri /* This file was generated by xf86dri.xml on Aug 11 2013 8:39:43pm 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) } 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 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 += xgb.Pad(len(structBytes)) } return 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 { 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 } // 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 } // 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 } // 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 } // 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 } // 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 } // 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 } // 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 } // 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 } // 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 } // 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 } // 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 }