haven/nexgb/dri2/dri2.go

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// Package dri2 is the X client API for the DRI2 extension.
package dri2
/*
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This file was generated by dri2.xml on May 11 2012 1:58:35am 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 DRI2 extension.
func Init(c *xgb.Conn) error {
reply, err := xproto.QueryExtension(c, 4, "DRI2").Reply()
switch {
case err != nil:
return err
case !reply.Present:
return xgb.Errorf("No extension named DRI2 could be found on on the server.")
}
xgb.ExtLock.Lock()
c.Extensions["DRI2"] = reply.MajorOpcode
for evNum, fun := range xgb.NewExtEventFuncs["DRI2"] {
xgb.NewEventFuncs[int(reply.FirstEvent)+evNum] = fun
}
for errNum, fun := range xgb.NewExtErrorFuncs["DRI2"] {
xgb.NewErrorFuncs[int(reply.FirstError)+errNum] = fun
}
xgb.ExtLock.Unlock()
return nil
}
func init() {
xgb.NewExtEventFuncs["DRI2"] = make(map[int]xgb.NewEventFun)
xgb.NewExtErrorFuncs["DRI2"] = make(map[int]xgb.NewErrorFun)
}
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// Skipping definition for base type 'Char'
// Skipping definition for base type 'Card32'
// Skipping definition for base type 'Double'
// Skipping definition for base type 'Bool'
// Skipping definition for base type 'Float'
// Skipping definition for base type 'Card8'
// Skipping definition for base type 'Int16'
// Skipping definition for base type 'Int32'
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// Skipping definition for base type 'Void'
// Skipping definition for base type 'Byte'
// Skipping definition for base type 'Int8'
// Skipping definition for base type 'Card16'
const (
AttachmentBufferFrontLeft = 0
AttachmentBufferBackLeft = 1
AttachmentBufferFrontRight = 2
AttachmentBufferBackRight = 3
AttachmentBufferDepth = 4
AttachmentBufferStencil = 5
AttachmentBufferAccum = 6
AttachmentBufferFakeFrontLeft = 7
AttachmentBufferFakeFrontRight = 8
AttachmentBufferDepthStencil = 9
AttachmentBufferHiz = 10
)
const (
DriverTypeDri = 0
DriverTypeVdpau = 1
)
const (
EventTypeExchangeComplete = 1
EventTypeBlitComplete = 2
EventTypeFlipComplete = 3
)
type DRI2Buffer struct {
Attachment uint32
Name uint32
Pitch uint32
Cpp uint32
Flags uint32
}
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// DRI2BufferRead reads a byte slice into a DRI2Buffer value.
func DRI2BufferRead(buf []byte, v *DRI2Buffer) int {
b := 0
v.Attachment = xgb.Get32(buf[b:])
b += 4
v.Name = xgb.Get32(buf[b:])
b += 4
v.Pitch = xgb.Get32(buf[b:])
b += 4
v.Cpp = xgb.Get32(buf[b:])
b += 4
v.Flags = xgb.Get32(buf[b:])
b += 4
return b
}
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// DRI2BufferReadList reads a byte slice into a list of DRI2Buffer values.
func DRI2BufferReadList(buf []byte, dest []DRI2Buffer) int {
b := 0
for i := 0; i < len(dest); i++ {
dest[i] = DRI2Buffer{}
b += DRI2BufferRead(buf[b:], &dest[i])
}
return xgb.Pad(b)
}
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// Bytes writes a DRI2Buffer value to a byte slice.
func (v DRI2Buffer) Bytes() []byte {
buf := make([]byte, 20)
b := 0
xgb.Put32(buf[b:], v.Attachment)
b += 4
xgb.Put32(buf[b:], v.Name)
b += 4
xgb.Put32(buf[b:], v.Pitch)
b += 4
xgb.Put32(buf[b:], v.Cpp)
b += 4
xgb.Put32(buf[b:], v.Flags)
b += 4
return buf
}
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// DRI2BufferListBytes writes a list of %s(MISSING) values to a byte slice.
func DRI2BufferListBytes(buf []byte, list []DRI2Buffer) int {
b := 0
var structBytes []byte
for _, item := range list {
structBytes = item.Bytes()
copy(buf[b:], structBytes)
b += xgb.Pad(len(structBytes))
}
return b
}
type AttachFormat struct {
Attachment uint32
Format uint32
}
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// AttachFormatRead reads a byte slice into a AttachFormat value.
func AttachFormatRead(buf []byte, v *AttachFormat) int {
b := 0
v.Attachment = xgb.Get32(buf[b:])
b += 4
v.Format = xgb.Get32(buf[b:])
b += 4
return b
}
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// AttachFormatReadList reads a byte slice into a list of AttachFormat values.
func AttachFormatReadList(buf []byte, dest []AttachFormat) int {
b := 0
for i := 0; i < len(dest); i++ {
dest[i] = AttachFormat{}
b += AttachFormatRead(buf[b:], &dest[i])
}
return xgb.Pad(b)
}
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// Bytes writes a AttachFormat value to a byte slice.
func (v AttachFormat) Bytes() []byte {
buf := make([]byte, 8)
b := 0
xgb.Put32(buf[b:], v.Attachment)
b += 4
xgb.Put32(buf[b:], v.Format)
b += 4
return buf
}
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// AttachFormatListBytes writes a list of %s(MISSING) values to a byte slice.
func AttachFormatListBytes(buf []byte, list []AttachFormat) int {
b := 0
var structBytes []byte
for _, item := range list {
structBytes = item.Bytes()
copy(buf[b:], structBytes)
b += xgb.Pad(len(structBytes))
}
return b
}
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// BufferSwapComplete is the event number for a BufferSwapCompleteEvent.
const BufferSwapComplete = 0
type BufferSwapCompleteEvent struct {
Sequence uint16
// padding: 1 bytes
EventType uint16
// padding: 2 bytes
Drawable xproto.Drawable
UstHi uint32
UstLo uint32
MscHi uint32
MscLo uint32
Sbc uint32
}
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// BufferSwapCompleteEventNew constructs a BufferSwapCompleteEvent value that implements xgb.Event from a byte slice.
func BufferSwapCompleteEventNew(buf []byte) xgb.Event {
v := BufferSwapCompleteEvent{}
b := 1 // don't read event number
b += 1 // padding
v.Sequence = xgb.Get16(buf[b:])
b += 2
v.EventType = xgb.Get16(buf[b:])
b += 2
b += 2 // padding
v.Drawable = xproto.Drawable(xgb.Get32(buf[b:]))
b += 4
v.UstHi = xgb.Get32(buf[b:])
b += 4
v.UstLo = xgb.Get32(buf[b:])
b += 4
v.MscHi = xgb.Get32(buf[b:])
b += 4
v.MscLo = xgb.Get32(buf[b:])
b += 4
v.Sbc = xgb.Get32(buf[b:])
b += 4
return v
}
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// Bytes writes a BufferSwapCompleteEvent value to a byte slice.
func (v BufferSwapCompleteEvent) Bytes() []byte {
buf := make([]byte, 32)
b := 0
// write event number
buf[b] = 0
b += 1
b += 1 // padding
b += 2 // skip sequence number
xgb.Put16(buf[b:], v.EventType)
b += 2
b += 2 // padding
xgb.Put32(buf[b:], uint32(v.Drawable))
b += 4
xgb.Put32(buf[b:], v.UstHi)
b += 4
xgb.Put32(buf[b:], v.UstLo)
b += 4
xgb.Put32(buf[b:], v.MscHi)
b += 4
xgb.Put32(buf[b:], v.MscLo)
b += 4
xgb.Put32(buf[b:], v.Sbc)
b += 4
return buf
}
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// SequenceId returns the sequence id attached to the BufferSwapComplete event.
// Events without a sequence number (KeymapNotify) return 0.
// This is mostly used internally.
func (v BufferSwapCompleteEvent) SequenceId() uint16 {
return v.Sequence
}
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// String is a rudimentary string representation of BufferSwapCompleteEvent.
func (v BufferSwapCompleteEvent) String() string {
fieldVals := make([]string, 0, 9)
fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
fieldVals = append(fieldVals, xgb.Sprintf("EventType: %d", v.EventType))
fieldVals = append(fieldVals, xgb.Sprintf("Drawable: %d", v.Drawable))
fieldVals = append(fieldVals, xgb.Sprintf("UstHi: %d", v.UstHi))
fieldVals = append(fieldVals, xgb.Sprintf("UstLo: %d", v.UstLo))
fieldVals = append(fieldVals, xgb.Sprintf("MscHi: %d", v.MscHi))
fieldVals = append(fieldVals, xgb.Sprintf("MscLo: %d", v.MscLo))
fieldVals = append(fieldVals, xgb.Sprintf("Sbc: %d", v.Sbc))
return "BufferSwapComplete {" + xgb.StringsJoin(fieldVals, ", ") + "}"
}
func init() {
xgb.NewExtEventFuncs["DRI2"][0] = BufferSwapCompleteEventNew
}
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// InvalidateBuffers is the event number for a InvalidateBuffersEvent.
const InvalidateBuffers = 1
type InvalidateBuffersEvent struct {
Sequence uint16
// padding: 1 bytes
Drawable xproto.Drawable
}
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// InvalidateBuffersEventNew constructs a InvalidateBuffersEvent value that implements xgb.Event from a byte slice.
func InvalidateBuffersEventNew(buf []byte) xgb.Event {
v := InvalidateBuffersEvent{}
b := 1 // don't read event number
b += 1 // padding
v.Sequence = xgb.Get16(buf[b:])
b += 2
v.Drawable = xproto.Drawable(xgb.Get32(buf[b:]))
b += 4
return v
}
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// Bytes writes a InvalidateBuffersEvent value to a byte slice.
func (v InvalidateBuffersEvent) Bytes() []byte {
buf := make([]byte, 32)
b := 0
// write event number
buf[b] = 1
b += 1
b += 1 // padding
b += 2 // skip sequence number
xgb.Put32(buf[b:], uint32(v.Drawable))
b += 4
return buf
}
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// SequenceId returns the sequence id attached to the InvalidateBuffers event.
// Events without a sequence number (KeymapNotify) return 0.
// This is mostly used internally.
func (v InvalidateBuffersEvent) SequenceId() uint16 {
return v.Sequence
}
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// String is a rudimentary string representation of InvalidateBuffersEvent.
func (v InvalidateBuffersEvent) String() string {
fieldVals := make([]string, 0, 2)
fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
fieldVals = append(fieldVals, xgb.Sprintf("Drawable: %d", v.Drawable))
return "InvalidateBuffers {" + xgb.StringsJoin(fieldVals, ", ") + "}"
}
func init() {
xgb.NewExtEventFuncs["DRI2"][1] = InvalidateBuffersEventNew
}
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// QueryVersionCookie is a cookie used only for QueryVersion requests.
type QueryVersionCookie struct {
*xgb.Cookie
}
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// 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, MajorVersion uint32, MinorVersion uint32) QueryVersionCookie {
cookie := c.NewCookie(true, true)
c.NewRequest(queryVersionRequest(c, MajorVersion, MinorVersion), cookie)
return QueryVersionCookie{cookie}
}
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// 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, MajorVersion uint32, MinorVersion uint32) QueryVersionCookie {
cookie := c.NewCookie(false, true)
c.NewRequest(queryVersionRequest(c, MajorVersion, MinorVersion), cookie)
return QueryVersionCookie{cookie}
}
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// QueryVersionReply represents the data returned from a QueryVersion request.
type QueryVersionReply struct {
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Sequence uint16 // sequence number of the request for this reply
Length uint32 // number of bytes in this reply
// padding: 1 bytes
MajorVersion uint32
MinorVersion uint32
}
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// 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
}
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// 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.MajorVersion = xgb.Get32(buf[b:])
b += 4
v.MinorVersion = xgb.Get32(buf[b:])
b += 4
return v
}
// Write request to wire for QueryVersion
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// queryVersionRequest writes a QueryVersion request to a byte slice.
func queryVersionRequest(c *xgb.Conn, MajorVersion uint32, MinorVersion uint32) []byte {
size := 12
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["DRI2"]
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
xgb.Put32(buf[b:], MajorVersion)
b += 4
xgb.Put32(buf[b:], MinorVersion)
b += 4
return buf
}
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// ConnectCookie is a cookie used only for Connect requests.
type ConnectCookie struct {
*xgb.Cookie
}
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// Connect sends a checked request.
// If an error occurs, it will be returned with the reply by calling ConnectCookie.Reply()
func Connect(c *xgb.Conn, Window xproto.Window, DriverType uint32) ConnectCookie {
cookie := c.NewCookie(true, true)
c.NewRequest(connectRequest(c, Window, DriverType), cookie)
return ConnectCookie{cookie}
}
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// ConnectUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func ConnectUnchecked(c *xgb.Conn, Window xproto.Window, DriverType uint32) ConnectCookie {
cookie := c.NewCookie(false, true)
c.NewRequest(connectRequest(c, Window, DriverType), cookie)
return ConnectCookie{cookie}
}
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// ConnectReply represents the data returned from a Connect request.
type ConnectReply struct {
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Sequence uint16 // sequence number of the request for this reply
Length uint32 // number of bytes in this reply
// padding: 1 bytes
DriverNameLength uint32
DeviceNameLength uint32
// padding: 16 bytes
DriverName string // size: xgb.Pad((int(DriverNameLength) * 1))
AlignmentPad []byte // size: xgb.Pad(((((int(DriverNameLength) + 3) & -4) - int(DriverNameLength)) * 1))
DeviceName string // size: xgb.Pad((int(DeviceNameLength) * 1))
}
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// Reply blocks and returns the reply data for a Connect request.
func (cook ConnectCookie) Reply() (*ConnectReply, error) {
buf, err := cook.Cookie.Reply()
if err != nil {
return nil, err
}
if buf == nil {
return nil, nil
}
return connectReply(buf), nil
}
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// connectReply reads a byte slice into a ConnectReply value.
func connectReply(buf []byte) *ConnectReply {
v := new(ConnectReply)
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.DriverNameLength = xgb.Get32(buf[b:])
b += 4
v.DeviceNameLength = xgb.Get32(buf[b:])
b += 4
b += 16 // padding
{
byteString := make([]byte, v.DriverNameLength)
copy(byteString[:v.DriverNameLength], buf[b:])
v.DriverName = string(byteString)
b += xgb.Pad(int(v.DriverNameLength))
}
v.AlignmentPad = make([]byte, (((int(v.DriverNameLength) + 3) & -4) - int(v.DriverNameLength)))
copy(v.AlignmentPad[:(((int(v.DriverNameLength)+3)&-4)-int(v.DriverNameLength))], buf[b:])
b += xgb.Pad(int((((int(v.DriverNameLength) + 3) & -4) - int(v.DriverNameLength))))
{
byteString := make([]byte, v.DeviceNameLength)
copy(byteString[:v.DeviceNameLength], buf[b:])
v.DeviceName = string(byteString)
b += xgb.Pad(int(v.DeviceNameLength))
}
return v
}
// Write request to wire for Connect
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// connectRequest writes a Connect request to a byte slice.
func connectRequest(c *xgb.Conn, Window xproto.Window, DriverType uint32) []byte {
size := 12
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["DRI2"]
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:], uint32(Window))
b += 4
xgb.Put32(buf[b:], DriverType)
b += 4
return buf
}
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// AuthenticateCookie is a cookie used only for Authenticate requests.
type AuthenticateCookie struct {
*xgb.Cookie
}
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// Authenticate sends a checked request.
// If an error occurs, it will be returned with the reply by calling AuthenticateCookie.Reply()
func Authenticate(c *xgb.Conn, Window xproto.Window, Magic uint32) AuthenticateCookie {
cookie := c.NewCookie(true, true)
c.NewRequest(authenticateRequest(c, Window, Magic), cookie)
return AuthenticateCookie{cookie}
}
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// AuthenticateUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func AuthenticateUnchecked(c *xgb.Conn, Window xproto.Window, Magic uint32) AuthenticateCookie {
cookie := c.NewCookie(false, true)
c.NewRequest(authenticateRequest(c, Window, Magic), cookie)
return AuthenticateCookie{cookie}
}
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// AuthenticateReply represents the data returned from a Authenticate request.
type AuthenticateReply struct {
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Sequence uint16 // sequence number of the request for this reply
Length uint32 // number of bytes in this reply
// padding: 1 bytes
Authenticated uint32
}
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// Reply blocks and returns the reply data for a Authenticate request.
func (cook AuthenticateCookie) Reply() (*AuthenticateReply, error) {
buf, err := cook.Cookie.Reply()
if err != nil {
return nil, err
}
if buf == nil {
return nil, nil
}
return authenticateReply(buf), nil
}
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// authenticateReply reads a byte slice into a AuthenticateReply value.
func authenticateReply(buf []byte) *AuthenticateReply {
v := new(AuthenticateReply)
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 Authenticate
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// authenticateRequest writes a Authenticate request to a byte slice.
func authenticateRequest(c *xgb.Conn, Window xproto.Window, Magic uint32) []byte {
size := 12
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["DRI2"]
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:], uint32(Window))
b += 4
xgb.Put32(buf[b:], Magic)
b += 4
return buf
}
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// CreateDrawableCookie is a cookie used only for CreateDrawable requests.
type CreateDrawableCookie struct {
*xgb.Cookie
}
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// CreateDrawable sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func CreateDrawable(c *xgb.Conn, Drawable xproto.Drawable) CreateDrawableCookie {
cookie := c.NewCookie(false, false)
c.NewRequest(createDrawableRequest(c, Drawable), cookie)
return CreateDrawableCookie{cookie}
}
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// CreateDrawableChecked sends a checked request.
// If an error occurs, it can be retrieved using CreateDrawableCookie.Check()
func CreateDrawableChecked(c *xgb.Conn, Drawable xproto.Drawable) CreateDrawableCookie {
cookie := c.NewCookie(true, false)
c.NewRequest(createDrawableRequest(c, Drawable), cookie)
return CreateDrawableCookie{cookie}
}
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// 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 CreateDrawableCookie) Check() error {
return cook.Cookie.Check()
}
// Write request to wire for CreateDrawable
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// createDrawableRequest writes a CreateDrawable request to a byte slice.
func createDrawableRequest(c *xgb.Conn, Drawable xproto.Drawable) []byte {
size := 8
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["DRI2"]
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:], uint32(Drawable))
b += 4
return buf
}
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// DestroyDrawableCookie is a cookie used only for DestroyDrawable requests.
type DestroyDrawableCookie struct {
*xgb.Cookie
}
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// 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, Drawable xproto.Drawable) DestroyDrawableCookie {
cookie := c.NewCookie(false, false)
c.NewRequest(destroyDrawableRequest(c, Drawable), cookie)
return DestroyDrawableCookie{cookie}
}
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// DestroyDrawableChecked sends a checked request.
// If an error occurs, it can be retrieved using DestroyDrawableCookie.Check()
func DestroyDrawableChecked(c *xgb.Conn, Drawable xproto.Drawable) DestroyDrawableCookie {
cookie := c.NewCookie(true, false)
c.NewRequest(destroyDrawableRequest(c, Drawable), cookie)
return DestroyDrawableCookie{cookie}
}
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// 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
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// destroyDrawableRequest writes a DestroyDrawable request to a byte slice.
func destroyDrawableRequest(c *xgb.Conn, Drawable xproto.Drawable) []byte {
size := 8
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["DRI2"]
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:], uint32(Drawable))
b += 4
return buf
}
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// GetBuffersCookie is a cookie used only for GetBuffers requests.
type GetBuffersCookie struct {
*xgb.Cookie
}
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// GetBuffers sends a checked request.
// If an error occurs, it will be returned with the reply by calling GetBuffersCookie.Reply()
func GetBuffers(c *xgb.Conn, Drawable xproto.Drawable, Count uint32, Attachments []uint32) GetBuffersCookie {
cookie := c.NewCookie(true, true)
c.NewRequest(getBuffersRequest(c, Drawable, Count, Attachments), cookie)
return GetBuffersCookie{cookie}
}
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// GetBuffersUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func GetBuffersUnchecked(c *xgb.Conn, Drawable xproto.Drawable, Count uint32, Attachments []uint32) GetBuffersCookie {
cookie := c.NewCookie(false, true)
c.NewRequest(getBuffersRequest(c, Drawable, Count, Attachments), cookie)
return GetBuffersCookie{cookie}
}
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// GetBuffersReply represents the data returned from a GetBuffers request.
type GetBuffersReply struct {
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Sequence uint16 // sequence number of the request for this reply
Length uint32 // number of bytes in this reply
// padding: 1 bytes
Width uint32
Height uint32
Count uint32
// padding: 12 bytes
Buffers []DRI2Buffer // size: xgb.Pad((int(Count) * 20))
}
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// Reply blocks and returns the reply data for a GetBuffers request.
func (cook GetBuffersCookie) Reply() (*GetBuffersReply, error) {
buf, err := cook.Cookie.Reply()
if err != nil {
return nil, err
}
if buf == nil {
return nil, nil
}
return getBuffersReply(buf), nil
}
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// getBuffersReply reads a byte slice into a GetBuffersReply value.
func getBuffersReply(buf []byte) *GetBuffersReply {
v := new(GetBuffersReply)
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.Width = xgb.Get32(buf[b:])
b += 4
v.Height = xgb.Get32(buf[b:])
b += 4
v.Count = xgb.Get32(buf[b:])
b += 4
b += 12 // padding
v.Buffers = make([]DRI2Buffer, v.Count)
b += DRI2BufferReadList(buf[b:], v.Buffers)
return v
}
// Write request to wire for GetBuffers
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// getBuffersRequest writes a GetBuffers request to a byte slice.
func getBuffersRequest(c *xgb.Conn, Drawable xproto.Drawable, Count uint32, Attachments []uint32) []byte {
size := xgb.Pad((12 + xgb.Pad((len(Attachments) * 4))))
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["DRI2"]
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:], uint32(Drawable))
b += 4
xgb.Put32(buf[b:], Count)
b += 4
for i := 0; i < int(len(Attachments)); i++ {
xgb.Put32(buf[b:], Attachments[i])
b += 4
}
b = xgb.Pad(b)
return buf
}
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// CopyRegionCookie is a cookie used only for CopyRegion requests.
type CopyRegionCookie struct {
*xgb.Cookie
}
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// CopyRegion sends a checked request.
// If an error occurs, it will be returned with the reply by calling CopyRegionCookie.Reply()
func CopyRegion(c *xgb.Conn, Drawable xproto.Drawable, Region uint32, Dest uint32, Src uint32) CopyRegionCookie {
cookie := c.NewCookie(true, true)
c.NewRequest(copyRegionRequest(c, Drawable, Region, Dest, Src), cookie)
return CopyRegionCookie{cookie}
}
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// CopyRegionUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func CopyRegionUnchecked(c *xgb.Conn, Drawable xproto.Drawable, Region uint32, Dest uint32, Src uint32) CopyRegionCookie {
cookie := c.NewCookie(false, true)
c.NewRequest(copyRegionRequest(c, Drawable, Region, Dest, Src), cookie)
return CopyRegionCookie{cookie}
}
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// CopyRegionReply represents the data returned from a CopyRegion request.
type CopyRegionReply struct {
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Sequence uint16 // sequence number of the request for this reply
Length uint32 // number of bytes in this reply
// padding: 1 bytes
}
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// Reply blocks and returns the reply data for a CopyRegion request.
func (cook CopyRegionCookie) Reply() (*CopyRegionReply, error) {
buf, err := cook.Cookie.Reply()
if err != nil {
return nil, err
}
if buf == nil {
return nil, nil
}
return copyRegionReply(buf), nil
}
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// copyRegionReply reads a byte slice into a CopyRegionReply value.
func copyRegionReply(buf []byte) *CopyRegionReply {
v := new(CopyRegionReply)
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
return v
}
// Write request to wire for CopyRegion
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// copyRegionRequest writes a CopyRegion request to a byte slice.
func copyRegionRequest(c *xgb.Conn, Drawable xproto.Drawable, Region uint32, Dest uint32, Src uint32) []byte {
size := 20
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["DRI2"]
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:], uint32(Drawable))
b += 4
xgb.Put32(buf[b:], Region)
b += 4
xgb.Put32(buf[b:], Dest)
b += 4
xgb.Put32(buf[b:], Src)
b += 4
return buf
}
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// GetBuffersWithFormatCookie is a cookie used only for GetBuffersWithFormat requests.
type GetBuffersWithFormatCookie struct {
*xgb.Cookie
}
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// GetBuffersWithFormat sends a checked request.
// If an error occurs, it will be returned with the reply by calling GetBuffersWithFormatCookie.Reply()
func GetBuffersWithFormat(c *xgb.Conn, Drawable xproto.Drawable, Count uint32, Attachments []AttachFormat) GetBuffersWithFormatCookie {
cookie := c.NewCookie(true, true)
c.NewRequest(getBuffersWithFormatRequest(c, Drawable, Count, Attachments), cookie)
return GetBuffersWithFormatCookie{cookie}
}
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// GetBuffersWithFormatUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func GetBuffersWithFormatUnchecked(c *xgb.Conn, Drawable xproto.Drawable, Count uint32, Attachments []AttachFormat) GetBuffersWithFormatCookie {
cookie := c.NewCookie(false, true)
c.NewRequest(getBuffersWithFormatRequest(c, Drawable, Count, Attachments), cookie)
return GetBuffersWithFormatCookie{cookie}
}
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// GetBuffersWithFormatReply represents the data returned from a GetBuffersWithFormat request.
type GetBuffersWithFormatReply struct {
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Sequence uint16 // sequence number of the request for this reply
Length uint32 // number of bytes in this reply
// padding: 1 bytes
Width uint32
Height uint32
Count uint32
// padding: 12 bytes
Buffers []DRI2Buffer // size: xgb.Pad((int(Count) * 20))
}
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// Reply blocks and returns the reply data for a GetBuffersWithFormat request.
func (cook GetBuffersWithFormatCookie) Reply() (*GetBuffersWithFormatReply, error) {
buf, err := cook.Cookie.Reply()
if err != nil {
return nil, err
}
if buf == nil {
return nil, nil
}
return getBuffersWithFormatReply(buf), nil
}
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// getBuffersWithFormatReply reads a byte slice into a GetBuffersWithFormatReply value.
func getBuffersWithFormatReply(buf []byte) *GetBuffersWithFormatReply {
v := new(GetBuffersWithFormatReply)
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.Width = xgb.Get32(buf[b:])
b += 4
v.Height = xgb.Get32(buf[b:])
b += 4
v.Count = xgb.Get32(buf[b:])
b += 4
b += 12 // padding
v.Buffers = make([]DRI2Buffer, v.Count)
b += DRI2BufferReadList(buf[b:], v.Buffers)
return v
}
// Write request to wire for GetBuffersWithFormat
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// getBuffersWithFormatRequest writes a GetBuffersWithFormat request to a byte slice.
func getBuffersWithFormatRequest(c *xgb.Conn, Drawable xproto.Drawable, Count uint32, Attachments []AttachFormat) []byte {
size := xgb.Pad((12 + xgb.Pad((len(Attachments) * 8))))
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["DRI2"]
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:], uint32(Drawable))
b += 4
xgb.Put32(buf[b:], Count)
b += 4
b += AttachFormatListBytes(buf[b:], Attachments)
return buf
}
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// SwapBuffersCookie is a cookie used only for SwapBuffers requests.
type SwapBuffersCookie struct {
*xgb.Cookie
}
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// SwapBuffers sends a checked request.
// If an error occurs, it will be returned with the reply by calling SwapBuffersCookie.Reply()
func SwapBuffers(c *xgb.Conn, Drawable xproto.Drawable, TargetMscHi uint32, TargetMscLo uint32, DivisorHi uint32, DivisorLo uint32, RemainderHi uint32, RemainderLo uint32) SwapBuffersCookie {
cookie := c.NewCookie(true, true)
c.NewRequest(swapBuffersRequest(c, Drawable, TargetMscHi, TargetMscLo, DivisorHi, DivisorLo, RemainderHi, RemainderLo), cookie)
return SwapBuffersCookie{cookie}
}
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// SwapBuffersUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func SwapBuffersUnchecked(c *xgb.Conn, Drawable xproto.Drawable, TargetMscHi uint32, TargetMscLo uint32, DivisorHi uint32, DivisorLo uint32, RemainderHi uint32, RemainderLo uint32) SwapBuffersCookie {
cookie := c.NewCookie(false, true)
c.NewRequest(swapBuffersRequest(c, Drawable, TargetMscHi, TargetMscLo, DivisorHi, DivisorLo, RemainderHi, RemainderLo), cookie)
return SwapBuffersCookie{cookie}
}
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// SwapBuffersReply represents the data returned from a SwapBuffers request.
type SwapBuffersReply struct {
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Sequence uint16 // sequence number of the request for this reply
Length uint32 // number of bytes in this reply
// padding: 1 bytes
SwapHi uint32
SwapLo uint32
}
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// Reply blocks and returns the reply data for a SwapBuffers request.
func (cook SwapBuffersCookie) Reply() (*SwapBuffersReply, error) {
buf, err := cook.Cookie.Reply()
if err != nil {
return nil, err
}
if buf == nil {
return nil, nil
}
return swapBuffersReply(buf), nil
}
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// swapBuffersReply reads a byte slice into a SwapBuffersReply value.
func swapBuffersReply(buf []byte) *SwapBuffersReply {
v := new(SwapBuffersReply)
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.SwapHi = xgb.Get32(buf[b:])
b += 4
v.SwapLo = xgb.Get32(buf[b:])
b += 4
return v
}
// Write request to wire for SwapBuffers
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// swapBuffersRequest writes a SwapBuffers request to a byte slice.
func swapBuffersRequest(c *xgb.Conn, Drawable xproto.Drawable, TargetMscHi uint32, TargetMscLo uint32, DivisorHi uint32, DivisorLo uint32, RemainderHi uint32, RemainderLo uint32) []byte {
size := 32
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["DRI2"]
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:], uint32(Drawable))
b += 4
xgb.Put32(buf[b:], TargetMscHi)
b += 4
xgb.Put32(buf[b:], TargetMscLo)
b += 4
xgb.Put32(buf[b:], DivisorHi)
b += 4
xgb.Put32(buf[b:], DivisorLo)
b += 4
xgb.Put32(buf[b:], RemainderHi)
b += 4
xgb.Put32(buf[b:], RemainderLo)
b += 4
return buf
}
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// GetMSCCookie is a cookie used only for GetMSC requests.
type GetMSCCookie struct {
*xgb.Cookie
}
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// GetMSC sends a checked request.
// If an error occurs, it will be returned with the reply by calling GetMSCCookie.Reply()
func GetMSC(c *xgb.Conn, Drawable xproto.Drawable) GetMSCCookie {
cookie := c.NewCookie(true, true)
c.NewRequest(getMSCRequest(c, Drawable), cookie)
return GetMSCCookie{cookie}
}
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// GetMSCUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func GetMSCUnchecked(c *xgb.Conn, Drawable xproto.Drawable) GetMSCCookie {
cookie := c.NewCookie(false, true)
c.NewRequest(getMSCRequest(c, Drawable), cookie)
return GetMSCCookie{cookie}
}
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// GetMSCReply represents the data returned from a GetMSC request.
type GetMSCReply struct {
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Sequence uint16 // sequence number of the request for this reply
Length uint32 // number of bytes in this reply
// padding: 1 bytes
UstHi uint32
UstLo uint32
MscHi uint32
MscLo uint32
SbcHi uint32
SbcLo uint32
}
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// Reply blocks and returns the reply data for a GetMSC request.
func (cook GetMSCCookie) Reply() (*GetMSCReply, error) {
buf, err := cook.Cookie.Reply()
if err != nil {
return nil, err
}
if buf == nil {
return nil, nil
}
return getMSCReply(buf), nil
}
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// getMSCReply reads a byte slice into a GetMSCReply value.
func getMSCReply(buf []byte) *GetMSCReply {
v := new(GetMSCReply)
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.UstHi = xgb.Get32(buf[b:])
b += 4
v.UstLo = xgb.Get32(buf[b:])
b += 4
v.MscHi = xgb.Get32(buf[b:])
b += 4
v.MscLo = xgb.Get32(buf[b:])
b += 4
v.SbcHi = xgb.Get32(buf[b:])
b += 4
v.SbcLo = xgb.Get32(buf[b:])
b += 4
return v
}
// Write request to wire for GetMSC
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// getMSCRequest writes a GetMSC request to a byte slice.
func getMSCRequest(c *xgb.Conn, Drawable xproto.Drawable) []byte {
size := 8
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["DRI2"]
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:], uint32(Drawable))
b += 4
return buf
}
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// WaitMSCCookie is a cookie used only for WaitMSC requests.
type WaitMSCCookie struct {
*xgb.Cookie
}
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// WaitMSC sends a checked request.
// If an error occurs, it will be returned with the reply by calling WaitMSCCookie.Reply()
func WaitMSC(c *xgb.Conn, Drawable xproto.Drawable, TargetMscHi uint32, TargetMscLo uint32, DivisorHi uint32, DivisorLo uint32, RemainderHi uint32, RemainderLo uint32) WaitMSCCookie {
cookie := c.NewCookie(true, true)
c.NewRequest(waitMSCRequest(c, Drawable, TargetMscHi, TargetMscLo, DivisorHi, DivisorLo, RemainderHi, RemainderLo), cookie)
return WaitMSCCookie{cookie}
}
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// WaitMSCUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func WaitMSCUnchecked(c *xgb.Conn, Drawable xproto.Drawable, TargetMscHi uint32, TargetMscLo uint32, DivisorHi uint32, DivisorLo uint32, RemainderHi uint32, RemainderLo uint32) WaitMSCCookie {
cookie := c.NewCookie(false, true)
c.NewRequest(waitMSCRequest(c, Drawable, TargetMscHi, TargetMscLo, DivisorHi, DivisorLo, RemainderHi, RemainderLo), cookie)
return WaitMSCCookie{cookie}
}
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// WaitMSCReply represents the data returned from a WaitMSC request.
type WaitMSCReply struct {
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Sequence uint16 // sequence number of the request for this reply
Length uint32 // number of bytes in this reply
// padding: 1 bytes
UstHi uint32
UstLo uint32
MscHi uint32
MscLo uint32
SbcHi uint32
SbcLo uint32
}
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// Reply blocks and returns the reply data for a WaitMSC request.
func (cook WaitMSCCookie) Reply() (*WaitMSCReply, error) {
buf, err := cook.Cookie.Reply()
if err != nil {
return nil, err
}
if buf == nil {
return nil, nil
}
return waitMSCReply(buf), nil
}
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// waitMSCReply reads a byte slice into a WaitMSCReply value.
func waitMSCReply(buf []byte) *WaitMSCReply {
v := new(WaitMSCReply)
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.UstHi = xgb.Get32(buf[b:])
b += 4
v.UstLo = xgb.Get32(buf[b:])
b += 4
v.MscHi = xgb.Get32(buf[b:])
b += 4
v.MscLo = xgb.Get32(buf[b:])
b += 4
v.SbcHi = xgb.Get32(buf[b:])
b += 4
v.SbcLo = xgb.Get32(buf[b:])
b += 4
return v
}
// Write request to wire for WaitMSC
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// waitMSCRequest writes a WaitMSC request to a byte slice.
func waitMSCRequest(c *xgb.Conn, Drawable xproto.Drawable, TargetMscHi uint32, TargetMscLo uint32, DivisorHi uint32, DivisorLo uint32, RemainderHi uint32, RemainderLo uint32) []byte {
size := 32
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["DRI2"]
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:], uint32(Drawable))
b += 4
xgb.Put32(buf[b:], TargetMscHi)
b += 4
xgb.Put32(buf[b:], TargetMscLo)
b += 4
xgb.Put32(buf[b:], DivisorHi)
b += 4
xgb.Put32(buf[b:], DivisorLo)
b += 4
xgb.Put32(buf[b:], RemainderHi)
b += 4
xgb.Put32(buf[b:], RemainderLo)
b += 4
return buf
}
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// WaitSBCCookie is a cookie used only for WaitSBC requests.
type WaitSBCCookie struct {
*xgb.Cookie
}
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// WaitSBC sends a checked request.
// If an error occurs, it will be returned with the reply by calling WaitSBCCookie.Reply()
func WaitSBC(c *xgb.Conn, Drawable xproto.Drawable, TargetSbcHi uint32, TargetSbcLo uint32) WaitSBCCookie {
cookie := c.NewCookie(true, true)
c.NewRequest(waitSBCRequest(c, Drawable, TargetSbcHi, TargetSbcLo), cookie)
return WaitSBCCookie{cookie}
}
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// WaitSBCUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func WaitSBCUnchecked(c *xgb.Conn, Drawable xproto.Drawable, TargetSbcHi uint32, TargetSbcLo uint32) WaitSBCCookie {
cookie := c.NewCookie(false, true)
c.NewRequest(waitSBCRequest(c, Drawable, TargetSbcHi, TargetSbcLo), cookie)
return WaitSBCCookie{cookie}
}
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// WaitSBCReply represents the data returned from a WaitSBC request.
type WaitSBCReply struct {
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Sequence uint16 // sequence number of the request for this reply
Length uint32 // number of bytes in this reply
// padding: 1 bytes
UstHi uint32
UstLo uint32
MscHi uint32
MscLo uint32
SbcHi uint32
SbcLo uint32
}
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// Reply blocks and returns the reply data for a WaitSBC request.
func (cook WaitSBCCookie) Reply() (*WaitSBCReply, error) {
buf, err := cook.Cookie.Reply()
if err != nil {
return nil, err
}
if buf == nil {
return nil, nil
}
return waitSBCReply(buf), nil
}
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// waitSBCReply reads a byte slice into a WaitSBCReply value.
func waitSBCReply(buf []byte) *WaitSBCReply {
v := new(WaitSBCReply)
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.UstHi = xgb.Get32(buf[b:])
b += 4
v.UstLo = xgb.Get32(buf[b:])
b += 4
v.MscHi = xgb.Get32(buf[b:])
b += 4
v.MscLo = xgb.Get32(buf[b:])
b += 4
v.SbcHi = xgb.Get32(buf[b:])
b += 4
v.SbcLo = xgb.Get32(buf[b:])
b += 4
return v
}
// Write request to wire for WaitSBC
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// waitSBCRequest writes a WaitSBC request to a byte slice.
func waitSBCRequest(c *xgb.Conn, Drawable xproto.Drawable, TargetSbcHi uint32, TargetSbcLo uint32) []byte {
size := 16
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["DRI2"]
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:], uint32(Drawable))
b += 4
xgb.Put32(buf[b:], TargetSbcHi)
b += 4
xgb.Put32(buf[b:], TargetSbcLo)
b += 4
return buf
}
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// SwapIntervalCookie is a cookie used only for SwapInterval requests.
type SwapIntervalCookie struct {
*xgb.Cookie
}
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// SwapInterval sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func SwapInterval(c *xgb.Conn, Drawable xproto.Drawable, Interval uint32) SwapIntervalCookie {
cookie := c.NewCookie(false, false)
c.NewRequest(swapIntervalRequest(c, Drawable, Interval), cookie)
return SwapIntervalCookie{cookie}
}
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// SwapIntervalChecked sends a checked request.
// If an error occurs, it can be retrieved using SwapIntervalCookie.Check()
func SwapIntervalChecked(c *xgb.Conn, Drawable xproto.Drawable, Interval uint32) SwapIntervalCookie {
cookie := c.NewCookie(true, false)
c.NewRequest(swapIntervalRequest(c, Drawable, Interval), cookie)
return SwapIntervalCookie{cookie}
}
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// 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 SwapIntervalCookie) Check() error {
return cook.Cookie.Check()
}
// Write request to wire for SwapInterval
2012-05-11 05:57:34 +02:00
// swapIntervalRequest writes a SwapInterval request to a byte slice.
func swapIntervalRequest(c *xgb.Conn, Drawable xproto.Drawable, Interval uint32) []byte {
size := 12
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["DRI2"]
b += 1
buf[b] = 12 // request opcode
b += 1
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
b += 2
xgb.Put32(buf[b:], uint32(Drawable))
b += 4
xgb.Put32(buf[b:], Interval)
b += 4
return buf
}