diff options
Diffstat (limited to 'nexgb/randr')
-rw-r--r-- | nexgb/randr/randr.go | 199 |
1 files changed, 111 insertions, 88 deletions
diff --git a/nexgb/randr/randr.go b/nexgb/randr/randr.go index db45a23..20dc62a 100644 --- a/nexgb/randr/randr.go +++ b/nexgb/randr/randr.go @@ -331,7 +331,7 @@ func (v CrtcChange) Bytes() []byte { xgb.Put16(buf[b:], v.Height) b += 2 - return buf + return buf[:b] } // CrtcChangeListBytes writes a list of CrtcChange values to a byte slice. @@ -489,7 +489,7 @@ func (v ModeInfo) Bytes() []byte { xgb.Put32(buf[b:], v.ModeFlags) b += 4 - return buf + return buf[:b] } // ModeInfoListBytes writes a list of ModeInfo values to a byte slice. @@ -504,6 +504,15 @@ func ModeInfoListBytes(buf []byte, list []ModeInfo) int { return xgb.Pad(b) } +const ( + NotifyCrtcChange = 0 + NotifyOutputChange = 1 + NotifyOutputProperty = 2 + NotifyProviderChange = 3 + NotifyProviderProperty = 4 + NotifyResourceChange = 5 +) + // Notify is the event number for a NotifyEvent. const Notify = 1 @@ -572,15 +581,6 @@ func init() { xgb.NewExtEventFuncs["RANDR"][1] = NotifyEventNew } -const ( - NotifyCrtcChange = 0 - NotifyOutputChange = 1 - NotifyOutputProperty = 2 - NotifyProviderChange = 3 - NotifyProviderProperty = 4 - NotifyResourceChange = 5 -) - // NotifyDataUnion is a represention of the NotifyDataUnion union type. // Note that to *create* a Union, you should *never* create // this struct directly (unless you know what you're doing). @@ -1034,7 +1034,7 @@ func (v OutputChange) Bytes() []byte { buf[b] = v.SubpixelOrder b += 1 - return buf + return buf[:b] } // OutputChangeListBytes writes a list of OutputChange values to a byte slice. @@ -1114,7 +1114,7 @@ func (v OutputProperty) Bytes() []byte { b += 11 // padding - return buf + return buf[:b] } // OutputPropertyListBytes writes a list of OutputProperty values to a byte slice. @@ -1197,7 +1197,7 @@ func (v ProviderChange) Bytes() []byte { b += 16 // padding - return buf + return buf[:b] } // ProviderChangeListBytes writes a list of ProviderChange values to a byte slice. @@ -1277,7 +1277,7 @@ func (v ProviderProperty) Bytes() []byte { b += 11 // padding - return buf + return buf[:b] } // ProviderPropertyListBytes writes a list of ProviderProperty values to a byte slice. @@ -1309,7 +1309,6 @@ func RefreshRatesRead(buf []byte, v *RefreshRates) int { v.Rates[i] = xgb.Get16(buf[b:]) b += 2 } - b = xgb.Pad(b) return b } @@ -1336,9 +1335,8 @@ func (v RefreshRates) Bytes() []byte { xgb.Put16(buf[b:], v.Rates[i]) b += 2 } - b = xgb.Pad(b) - return buf + return buf[:b] } // RefreshRatesListBytes writes a list of RefreshRates values to a byte slice. @@ -1406,7 +1404,7 @@ func (v ResourceChange) Bytes() []byte { b += 20 // padding - return buf + return buf[:b] } // ResourceChangeListBytes writes a list of ResourceChange values to a byte slice. @@ -1621,7 +1619,7 @@ func (v ScreenSize) Bytes() []byte { xgb.Put16(buf[b:], v.Mheight) b += 2 - return buf + return buf[:b] } // ScreenSizeListBytes writes a list of ScreenSize values to a byte slice. @@ -1802,7 +1800,7 @@ func changeOutputPropertyRequest(c *xgb.Conn, Output Output, Property xproto.Ato b += 4 copy(buf[b:], Data[:((int(NumUnits)*int(Format))/8)]) - b += xgb.Pad(int(((int(NumUnits) * int(Format)) / 8))) + b += int(((int(NumUnits) * int(Format)) / 8)) return buf } @@ -1877,7 +1875,7 @@ func changeProviderPropertyRequest(c *xgb.Conn, Provider Provider, Property xpro b += 4 copy(buf[b:], Data[:(int(NumItems)*(int(Format)/8))]) - b += xgb.Pad(int((int(NumItems) * (int(Format) / 8)))) + b += int((int(NumItems) * (int(Format) / 8))) return buf } @@ -1957,7 +1955,6 @@ func configureOutputPropertyRequest(c *xgb.Conn, Output Output, Property xproto. xgb.Put32(buf[b:], uint32(Values[i])) b += 4 } - b = xgb.Pad(b) return buf } @@ -2037,7 +2034,6 @@ func configureProviderPropertyRequest(c *xgb.Conn, Provider Provider, Property x xgb.Put32(buf[b:], uint32(Values[i])) b += 4 } - b = xgb.Pad(b) return buf } @@ -2137,7 +2133,7 @@ func createModeRequest(c *xgb.Conn, Window xproto.Window, ModeInfo ModeInfo, Nam } copy(buf[b:], Name[:len(Name)]) - b += xgb.Pad(int(len(Name))) + b += int(len(Name)) return buf } @@ -2405,9 +2401,11 @@ type GetCrtcGammaReply struct { // padding: 1 bytes Size uint16 // padding: 22 bytes - Red []uint16 // size: xgb.Pad((int(Size) * 2)) + Red []uint16 // size: xgb.Pad((int(Size) * 2)) + // alignment gap to multiple of 2 Green []uint16 // size: xgb.Pad((int(Size) * 2)) - Blue []uint16 // size: xgb.Pad((int(Size) * 2)) + // alignment gap to multiple of 2 + Blue []uint16 // size: xgb.Pad((int(Size) * 2)) } // Reply blocks and returns the reply data for a GetCrtcGamma request. @@ -2445,21 +2443,22 @@ func getCrtcGammaReply(buf []byte) *GetCrtcGammaReply { v.Red[i] = xgb.Get16(buf[b:]) b += 2 } - b = xgb.Pad(b) + + b = (b + 1) & ^1 // alignment gap v.Green = make([]uint16, v.Size) for i := 0; i < int(v.Size); i++ { v.Green[i] = xgb.Get16(buf[b:]) b += 2 } - b = xgb.Pad(b) + + b = (b + 1) & ^1 // alignment gap v.Blue = make([]uint16, v.Size) for i := 0; i < int(v.Size); i++ { v.Blue[i] = xgb.Get16(buf[b:]) b += 2 } - b = xgb.Pad(b) return v } @@ -2620,7 +2619,8 @@ type GetCrtcInfoReply struct { NumOutputs uint16 NumPossibleOutputs uint16 Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) - Possible []Output // size: xgb.Pad((int(NumPossibleOutputs) * 4)) + // alignment gap to multiple of 4 + Possible []Output // size: xgb.Pad((int(NumPossibleOutputs) * 4)) } // Reply blocks and returns the reply data for a GetCrtcInfo request. @@ -2684,14 +2684,14 @@ func getCrtcInfoReply(buf []byte) *GetCrtcInfoReply { v.Outputs[i] = Output(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Possible = make([]Output, v.NumPossibleOutputs) for i := 0; i < int(v.NumPossibleOutputs); i++ { v.Possible[i] = Output(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -2762,10 +2762,12 @@ type GetCrtcTransformReply struct { PendingNparams uint16 CurrentLen uint16 CurrentNparams uint16 - PendingFilterName string // size: xgb.Pad((int(PendingLen) * 1)) + PendingFilterName string // size: xgb.Pad((int(PendingLen) * 1)) + // alignment gap to multiple of 4 PendingParams []render.Fixed // size: xgb.Pad((int(PendingNparams) * 4)) CurrentFilterName string // size: xgb.Pad((int(CurrentLen) * 1)) - CurrentParams []render.Fixed // size: xgb.Pad((int(CurrentNparams) * 4)) + // alignment gap to multiple of 4 + CurrentParams []render.Fixed // size: xgb.Pad((int(CurrentNparams) * 4)) } // Reply blocks and returns the reply data for a GetCrtcTransform request. @@ -2829,12 +2831,13 @@ func getCrtcTransformReply(buf []byte) *GetCrtcTransformReply { b += int(v.PendingLen) } + b = (b + 3) & ^3 // alignment gap + v.PendingParams = make([]render.Fixed, v.PendingNparams) for i := 0; i < int(v.PendingNparams); i++ { v.PendingParams[i] = render.Fixed(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) { byteString := make([]byte, v.CurrentLen) @@ -2843,12 +2846,13 @@ func getCrtcTransformReply(buf []byte) *GetCrtcTransformReply { b += int(v.CurrentLen) } + b = (b + 3) & ^3 // alignment gap + v.CurrentParams = make([]render.Fixed, v.CurrentNparams) for i := 0; i < int(v.CurrentNparams); i++ { v.CurrentParams[i] = render.Fixed(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -2918,10 +2922,12 @@ type GetOutputInfoReply struct { NumPreferred uint16 NumClones uint16 NameLen uint16 - Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) - Modes []Mode // size: xgb.Pad((int(NumModes) * 4)) - Clones []Output // size: xgb.Pad((int(NumClones) * 4)) - Name []byte // size: xgb.Pad((int(NameLen) * 1)) + Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) + // alignment gap to multiple of 4 + Modes []Mode // size: xgb.Pad((int(NumModes) * 4)) + // alignment gap to multiple of 4 + Clones []Output // size: xgb.Pad((int(NumClones) * 4)) + Name []byte // size: xgb.Pad((int(NameLen) * 1)) } // Reply blocks and returns the reply data for a GetOutputInfo request. @@ -2988,25 +2994,26 @@ func getOutputInfoReply(buf []byte) *GetOutputInfoReply { v.Crtcs[i] = Crtc(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Modes = make([]Mode, v.NumModes) for i := 0; i < int(v.NumModes); i++ { v.Modes[i] = Mode(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Clones = make([]Output, v.NumClones) for i := 0; i < int(v.NumClones); i++ { v.Clones[i] = Output(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) v.Name = make([]byte, v.NameLen) copy(v.Name[:v.NameLen], buf[b:]) - b += xgb.Pad(int(v.NameLen)) + b += int(v.NameLen) return v } @@ -3202,7 +3209,7 @@ func getOutputPropertyReply(buf []byte) *GetOutputPropertyReply { v.Data = make([]byte, (int(v.NumItems) * (int(v.Format) / 8))) copy(v.Data[:(int(v.NumItems)*(int(v.Format)/8))], buf[b:]) - b += xgb.Pad(int((int(v.NumItems) * (int(v.Format) / 8)))) + b += int((int(v.NumItems) * (int(v.Format) / 8))) return v } @@ -3433,11 +3440,14 @@ type GetProviderInfoReply struct { NumAssociatedProviders uint16 NameLen uint16 // padding: 8 bytes - Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) - Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) - AssociatedProviders []Provider // size: xgb.Pad((int(NumAssociatedProviders) * 4)) - AssociatedCapability []uint32 // size: xgb.Pad((int(NumAssociatedProviders) * 4)) - Name string // size: xgb.Pad((int(NameLen) * 1)) + Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) + // alignment gap to multiple of 4 + Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) + // alignment gap to multiple of 4 + AssociatedProviders []Provider // size: xgb.Pad((int(NumAssociatedProviders) * 4)) + // alignment gap to multiple of 4 + AssociatedCapability []uint32 // size: xgb.Pad((int(NumAssociatedProviders) * 4)) + Name string // size: xgb.Pad((int(NameLen) * 1)) } // Reply blocks and returns the reply data for a GetProviderInfo request. @@ -3491,28 +3501,30 @@ func getProviderInfoReply(buf []byte) *GetProviderInfoReply { v.Crtcs[i] = Crtc(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Outputs = make([]Output, v.NumOutputs) for i := 0; i < int(v.NumOutputs); i++ { v.Outputs[i] = Output(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.AssociatedProviders = make([]Provider, v.NumAssociatedProviders) for i := 0; i < int(v.NumAssociatedProviders); i++ { v.AssociatedProviders[i] = Provider(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.AssociatedCapability = make([]uint32, v.NumAssociatedProviders) for i := 0; i < int(v.NumAssociatedProviders); i++ { v.AssociatedCapability[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) { byteString := make([]byte, v.NameLen) @@ -3627,7 +3639,7 @@ func getProviderPropertyReply(buf []byte) *GetProviderPropertyReply { v.Data = make([]byte, (int(v.NumItems) * (int(v.Format) / 8))) copy(v.Data[:(int(v.NumItems)*(int(v.Format)/8))], buf[b:]) - b += xgb.Pad(int((int(v.NumItems) * (int(v.Format) / 8)))) + b += int((int(v.NumItems) * (int(v.Format) / 8))) return v } @@ -3758,7 +3770,6 @@ func getProvidersReply(buf []byte) *GetProvidersReply { v.Providers[i] = Provider(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -3826,7 +3837,8 @@ type GetScreenInfoReply struct { Rate uint16 NInfo uint16 // padding: 2 bytes - Sizes []ScreenSize // size: xgb.Pad((int(NSizes) * 8)) + Sizes []ScreenSize // size: xgb.Pad((int(NSizes) * 8)) + // alignment gap to multiple of 2 Rates []RefreshRates // size: RefreshRatesListSize(Rates) } @@ -3885,6 +3897,8 @@ func getScreenInfoReply(buf []byte) *GetScreenInfoReply { v.Sizes = make([]ScreenSize, v.NSizes) b += ScreenSizeReadList(buf[b:], v.Sizes) + b = (b + 1) & ^1 // alignment gap + v.Rates = make([]RefreshRates, (int(v.NInfo) - int(v.NSizes))) b += RefreshRatesReadList(buf[b:], v.Rates) @@ -3952,10 +3966,12 @@ type GetScreenResourcesReply struct { NumModes uint16 NamesLen uint16 // padding: 8 bytes - Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) - Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) - Modes []ModeInfo // size: xgb.Pad((int(NumModes) * 32)) - Names []byte // size: xgb.Pad((int(NamesLen) * 1)) + Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) + // alignment gap to multiple of 4 + Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) + // alignment gap to multiple of 4 + Modes []ModeInfo // size: xgb.Pad((int(NumModes) * 32)) + Names []byte // size: xgb.Pad((int(NamesLen) * 1)) } // Reply blocks and returns the reply data for a GetScreenResources request. @@ -4008,21 +4024,23 @@ func getScreenResourcesReply(buf []byte) *GetScreenResourcesReply { v.Crtcs[i] = Crtc(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Outputs = make([]Output, v.NumOutputs) for i := 0; i < int(v.NumOutputs); i++ { v.Outputs[i] = Output(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Modes = make([]ModeInfo, v.NumModes) b += ModeInfoReadList(buf[b:], v.Modes) v.Names = make([]byte, v.NamesLen) copy(v.Names[:v.NamesLen], buf[b:]) - b += xgb.Pad(int(v.NamesLen)) + b += int(v.NamesLen) return v } @@ -4088,10 +4106,12 @@ type GetScreenResourcesCurrentReply struct { NumModes uint16 NamesLen uint16 // padding: 8 bytes - Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) - Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) - Modes []ModeInfo // size: xgb.Pad((int(NumModes) * 32)) - Names []byte // size: xgb.Pad((int(NamesLen) * 1)) + Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) + // alignment gap to multiple of 4 + Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) + // alignment gap to multiple of 4 + Modes []ModeInfo // size: xgb.Pad((int(NumModes) * 32)) + Names []byte // size: xgb.Pad((int(NamesLen) * 1)) } // Reply blocks and returns the reply data for a GetScreenResourcesCurrent request. @@ -4144,21 +4164,23 @@ func getScreenResourcesCurrentReply(buf []byte) *GetScreenResourcesCurrentReply v.Crtcs[i] = Crtc(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Outputs = make([]Output, v.NumOutputs) for i := 0; i < int(v.NumOutputs); i++ { v.Outputs[i] = Output(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Modes = make([]ModeInfo, v.NumModes) b += ModeInfoReadList(buf[b:], v.Modes) v.Names = make([]byte, v.NamesLen) copy(v.Names[:v.NamesLen], buf[b:]) - b += xgb.Pad(int(v.NamesLen)) + b += int(v.NamesLen) return v } @@ -4360,7 +4382,6 @@ func listOutputPropertiesReply(buf []byte) *ListOutputPropertiesReply { v.Atoms[i] = xproto.Atom(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -4459,7 +4480,6 @@ func listProviderPropertiesReply(buf []byte) *ListProviderPropertiesReply { v.Atoms[i] = xproto.Atom(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -4578,7 +4598,6 @@ func queryOutputPropertyReply(buf []byte) *QueryOutputPropertyReply { v.ValidValues[i] = int32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -4700,7 +4719,6 @@ func queryProviderPropertyReply(buf []byte) *QueryProviderPropertyReply { v.ValidValues[i] = int32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -5001,7 +5019,6 @@ func setCrtcConfigRequest(c *xgb.Conn, Crtc Crtc, Timestamp xproto.Timestamp, Co xgb.Put32(buf[b:], uint32(Outputs[i])) b += 4 } - b = xgb.Pad(b) return buf } @@ -5042,7 +5059,7 @@ func (cook SetCrtcGammaCookie) Check() error { // Write request to wire for SetCrtcGamma // setCrtcGammaRequest writes a SetCrtcGamma request to a byte slice. func setCrtcGammaRequest(c *xgb.Conn, Crtc Crtc, Size uint16, Red []uint16, Green []uint16, Blue []uint16) []byte { - size := xgb.Pad((((12 + xgb.Pad((int(Size) * 2))) + xgb.Pad((int(Size) * 2))) + xgb.Pad((int(Size) * 2)))) + size := xgb.Pad((((((12 + xgb.Pad((int(Size) * 2))) + 2) + xgb.Pad((int(Size) * 2))) + 2) + xgb.Pad((int(Size) * 2)))) b := 0 buf := make([]byte, size) @@ -5052,7 +5069,7 @@ func setCrtcGammaRequest(c *xgb.Conn, Crtc Crtc, Size uint16, Red []uint16, Gree buf[b] = 24 // request opcode b += 1 - xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units + blen := b b += 2 xgb.Put32(buf[b:], uint32(Crtc)) @@ -5067,21 +5084,24 @@ func setCrtcGammaRequest(c *xgb.Conn, Crtc Crtc, Size uint16, Red []uint16, Gree xgb.Put16(buf[b:], Red[i]) b += 2 } - b = xgb.Pad(b) + + b = (b + 1) & ^1 // alignment gap for i := 0; i < int(Size); i++ { xgb.Put16(buf[b:], Green[i]) b += 2 } - b = xgb.Pad(b) + + b = (b + 1) & ^1 // alignment gap for i := 0; i < int(Size); i++ { xgb.Put16(buf[b:], Blue[i]) b += 2 } - b = xgb.Pad(b) - return buf + b = xgb.Pad(b) + xgb.Put16(buf[blen:], uint16(b/4)) // write request size in 4-byte units + return buf[:b] } // SetCrtcTransformCookie is a cookie used only for SetCrtcTransform requests. @@ -5120,7 +5140,7 @@ func (cook SetCrtcTransformCookie) Check() error { // Write request to wire for SetCrtcTransform // setCrtcTransformRequest writes a SetCrtcTransform request to a byte slice. func setCrtcTransformRequest(c *xgb.Conn, Crtc Crtc, Transform render.Transform, FilterLen uint16, FilterName string, FilterParams []render.Fixed) []byte { - size := xgb.Pad(((48 + xgb.Pad((int(FilterLen) * 1))) + xgb.Pad((len(FilterParams) * 4)))) + size := xgb.Pad((((48 + xgb.Pad((int(FilterLen) * 1))) + 4) + xgb.Pad((len(FilterParams) * 4)))) b := 0 buf := make([]byte, size) @@ -5130,7 +5150,7 @@ func setCrtcTransformRequest(c *xgb.Conn, Crtc Crtc, Transform render.Transform, buf[b] = 26 // request opcode b += 1 - xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units + blen := b b += 2 xgb.Put32(buf[b:], uint32(Crtc)) @@ -5148,15 +5168,18 @@ func setCrtcTransformRequest(c *xgb.Conn, Crtc Crtc, Transform render.Transform, b += 2 // padding copy(buf[b:], FilterName[:FilterLen]) - b += xgb.Pad(int(FilterLen)) + b += int(FilterLen) + + b = (b + 3) & ^3 // alignment gap for i := 0; i < int(len(FilterParams)); i++ { xgb.Put32(buf[b:], uint32(FilterParams[i])) b += 4 } - b = xgb.Pad(b) - return buf + b = xgb.Pad(b) + xgb.Put16(buf[blen:], uint16(b/4)) // write request size in 4-byte units + return buf[:b] } // SetOutputPrimaryCookie is a cookie used only for SetOutputPrimary requests. |