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Diffstat (limited to 'nexgb/xv')
-rw-r--r--nexgb/xv/xv.go44
1 files changed, 23 insertions, 21 deletions
diff --git a/nexgb/xv/xv.go b/nexgb/xv/xv.go
index f0d3f3a..69a0549 100644
--- a/nexgb/xv/xv.go
+++ b/nexgb/xv/xv.go
@@ -45,7 +45,7 @@ type AdaptorInfo struct {
Type byte
// padding: 1 bytes
Name string // size: xgb.Pad((int(NameSize) * 1))
- // padding: 0 bytes
+ // alignment gap to multiple of 4
Formats []Format // size: xgb.Pad((int(NumFormats) * 8))
}
@@ -77,7 +77,7 @@ func AdaptorInfoRead(buf []byte, v *AdaptorInfo) int {
b += int(v.NameSize)
}
- b += 0 // padding
+ b = (b + 3) & ^3 // alignment gap
v.Formats = make([]Format, v.NumFormats)
b += FormatReadList(buf[b:], v.Formats)
@@ -97,7 +97,7 @@ func AdaptorInfoReadList(buf []byte, dest []AdaptorInfo) int {
// Bytes writes a AdaptorInfo value to a byte slice.
func (v AdaptorInfo) Bytes() []byte {
- buf := make([]byte, (((12 + xgb.Pad((int(v.NameSize) * 1))) + 0) + xgb.Pad((int(v.NumFormats) * 8))))
+ buf := make([]byte, (((12 + xgb.Pad((int(v.NameSize) * 1))) + 4) + xgb.Pad((int(v.NumFormats) * 8))))
b := 0
xgb.Put32(buf[b:], uint32(v.BaseId))
@@ -120,7 +120,7 @@ func (v AdaptorInfo) Bytes() []byte {
copy(buf[b:], v.Name[:v.NameSize])
b += int(v.NameSize)
- b += 0 // padding
+ b = (b + 3) & ^3 // alignment gap
b += FormatListBytes(buf[b:], v.Formats)
@@ -143,7 +143,7 @@ func AdaptorInfoListBytes(buf []byte, list []AdaptorInfo) int {
func AdaptorInfoListSize(list []AdaptorInfo) int {
size := 0
for _, item := range list {
- size += (((12 + xgb.Pad((int(item.NameSize) * 1))) + 0) + xgb.Pad((int(item.NumFormats) * 8)))
+ size += (((12 + xgb.Pad((int(item.NameSize) * 1))) + 4) + xgb.Pad((int(item.NumFormats) * 8)))
}
return size
}
@@ -159,6 +159,7 @@ type AttributeInfo struct {
Max int32
Size uint32
Name string // size: xgb.Pad((int(Size) * 1))
+ // alignment gap to multiple of 4
}
// AttributeInfoRead reads a byte slice into a AttributeInfo value.
@@ -184,6 +185,8 @@ func AttributeInfoRead(buf []byte, v *AttributeInfo) int {
b += int(v.Size)
}
+ b = (b + 3) & ^3 // alignment gap
+
return b
}
@@ -199,7 +202,7 @@ func AttributeInfoReadList(buf []byte, dest []AttributeInfo) int {
// Bytes writes a AttributeInfo value to a byte slice.
func (v AttributeInfo) Bytes() []byte {
- buf := make([]byte, (16 + xgb.Pad((int(v.Size) * 1))))
+ buf := make([]byte, ((16 + xgb.Pad((int(v.Size) * 1))) + 4))
b := 0
xgb.Put32(buf[b:], v.Flags)
@@ -217,6 +220,8 @@ func (v AttributeInfo) Bytes() []byte {
copy(buf[b:], v.Name[:v.Size])
b += int(v.Size)
+ b = (b + 3) & ^3 // alignment gap
+
return buf[:b]
}
@@ -236,7 +241,7 @@ func AttributeInfoListBytes(buf []byte, list []AttributeInfo) int {
func AttributeInfoListSize(list []AttributeInfo) int {
size := 0
for _, item := range list {
- size += (16 + xgb.Pad((int(item.Size) * 1)))
+ size += ((16 + xgb.Pad((int(item.Size) * 1))) + 4)
}
return size
}
@@ -397,6 +402,7 @@ type EncodingInfo struct {
// padding: 2 bytes
Rate Rational
Name string // size: xgb.Pad((int(NameSize) * 1))
+ // alignment gap to multiple of 4
}
// EncodingInfoRead reads a byte slice into a EncodingInfo value.
@@ -427,6 +433,8 @@ func EncodingInfoRead(buf []byte, v *EncodingInfo) int {
b += int(v.NameSize)
}
+ b = (b + 3) & ^3 // alignment gap
+
return b
}
@@ -442,7 +450,7 @@ func EncodingInfoReadList(buf []byte, dest []EncodingInfo) int {
// Bytes writes a EncodingInfo value to a byte slice.
func (v EncodingInfo) Bytes() []byte {
- buf := make([]byte, (20 + xgb.Pad((int(v.NameSize) * 1))))
+ buf := make([]byte, ((20 + xgb.Pad((int(v.NameSize) * 1))) + 4))
b := 0
xgb.Put32(buf[b:], uint32(v.Encoding))
@@ -468,6 +476,8 @@ func (v EncodingInfo) Bytes() []byte {
copy(buf[b:], v.Name[:v.NameSize])
b += int(v.NameSize)
+ b = (b + 3) & ^3 // alignment gap
+
return buf[:b]
}
@@ -487,7 +497,7 @@ func EncodingInfoListBytes(buf []byte, list []EncodingInfo) int {
func EncodingInfoListSize(list []EncodingInfo) int {
size := 0
for _, item := range list {
- size += (20 + xgb.Pad((int(item.NameSize) * 1)))
+ size += ((20 + xgb.Pad((int(item.NameSize) * 1))) + 4)
}
return size
}
@@ -567,9 +577,8 @@ type Image struct {
DataSize uint32
NumPlanes uint32
Pitches []uint32 // size: xgb.Pad((int(NumPlanes) * 4))
- // alignment gap to multiple of 4
- Offsets []uint32 // size: xgb.Pad((int(NumPlanes) * 4))
- Data []byte // size: xgb.Pad((int(DataSize) * 1))
+ Offsets []uint32 // size: xgb.Pad((int(NumPlanes) * 4))
+ Data []byte // size: xgb.Pad((int(DataSize) * 1))
}
// ImageRead reads a byte slice into a Image value.
@@ -597,8 +606,6 @@ func ImageRead(buf []byte, v *Image) int {
b += 4
}
- b = (b + 3) & ^3 // alignment gap
-
v.Offsets = make([]uint32, v.NumPlanes)
for i := 0; i < int(v.NumPlanes); i++ {
v.Offsets[i] = xgb.Get32(buf[b:])
@@ -624,7 +631,7 @@ func ImageReadList(buf []byte, dest []Image) int {
// Bytes writes a Image value to a byte slice.
func (v Image) Bytes() []byte {
- buf := make([]byte, ((((16 + xgb.Pad((int(v.NumPlanes) * 4))) + 4) + xgb.Pad((int(v.NumPlanes) * 4))) + xgb.Pad((int(v.DataSize) * 1))))
+ buf := make([]byte, (((16 + xgb.Pad((int(v.NumPlanes) * 4))) + xgb.Pad((int(v.NumPlanes) * 4))) + xgb.Pad((int(v.DataSize) * 1))))
b := 0
xgb.Put32(buf[b:], v.Id)
@@ -647,8 +654,6 @@ func (v Image) Bytes() []byte {
b += 4
}
- b = (b + 3) & ^3 // alignment gap
-
for i := 0; i < int(v.NumPlanes); i++ {
xgb.Put32(buf[b:], v.Offsets[i])
b += 4
@@ -676,7 +681,7 @@ func ImageListBytes(buf []byte, list []Image) int {
func ImageListSize(list []Image) int {
size := 0
for _, item := range list {
- size += ((((16 + xgb.Pad((int(item.NumPlanes) * 4))) + 4) + xgb.Pad((int(item.NumPlanes) * 4))) + xgb.Pad((int(item.DataSize) * 1)))
+ size += (((16 + xgb.Pad((int(item.NumPlanes) * 4))) + xgb.Pad((int(item.NumPlanes) * 4))) + xgb.Pad((int(item.DataSize) * 1)))
}
return size
}
@@ -2416,7 +2421,6 @@ type QueryImageAttributesReply struct {
Height uint16
// padding: 12 bytes
Pitches []uint32 // size: xgb.Pad((int(NumPlanes) * 4))
- // alignment gap to multiple of 4
Offsets []uint32 // size: xgb.Pad((int(NumPlanes) * 4))
}
@@ -2465,8 +2469,6 @@ func queryImageAttributesReply(buf []byte) *QueryImageAttributesReply {
b += 4
}
- b = (b + 3) & ^3 // alignment gap
-
v.Offsets = make([]uint32, v.NumPlanes)
for i := 0; i < int(v.NumPlanes); i++ {
v.Offsets[i] = xgb.Get32(buf[b:])
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-22 01:44:46 +0000