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I like my atomics raw

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This commit is contained in:
IntegratedQuantum 2025-07-28 19:45:38 +02:00
parent 183c05f012
commit 714b0a91d7
1 changed files with 7 additions and 7 deletions
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14
src/utils.zig
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@ -1044,7 +1044,7 @@ pub fn DynamicPackedIntArray(size: comptime_int) type { // MARK: DynamicPackedIn
} }
pub fn resizeOnce(self: *Self) void { pub fn resizeOnce(self: *Self) void {
const oldContent = self.content.load(.unordered); const oldContent = self.content.raw;
const newBitSize = if(self.bitSizeUnsafe() != 0) self.bitSizeUnsafe()*2 else 1; const newBitSize = if(self.bitSizeUnsafe() != 0) self.bitSizeUnsafe()*2 else 1;
const newSelf = Self.initCapacity(newBitSize); const newSelf = Self.initCapacity(newBitSize);
const newContent = newSelf.content.raw; const newContent = newSelf.content.raw;
@ -1053,7 +1053,7 @@ pub fn DynamicPackedIntArray(size: comptime_int) type { // MARK: DynamicPackedIn
0 => @memset(newContent.toSlice(), .init(0)), 0 => @memset(newContent.toSlice(), .init(0)),
inline 1, 2, 4, 8 => |bits| { inline 1, 2, 4, 8 => |bits| {
for(0..oldContent.toSlice().len) |i| { for(0..oldContent.toSlice().len) |i| {
const oldVal = oldContent.toSlice()[i].load(.unordered); const oldVal = oldContent.toSlice()[i].raw;
newContent.toSlice()[2*i] = .init(bitInterleave(bits, oldVal & 0xffff)); newContent.toSlice()[2*i] = .init(bitInterleave(bits, oldVal & 0xffff));
newContent.toSlice()[2*i + 1] = .init(bitInterleave(bits, oldVal >> 16)); newContent.toSlice()[2*i + 1] = .init(bitInterleave(bits, oldVal >> 16));
} }
@ -1078,7 +1078,7 @@ pub fn DynamicPackedIntArray(size: comptime_int) type { // MARK: DynamicPackedIn
pub fn setValue(self: *Self, i: usize, value: u32) void { pub fn setValue(self: *Self, i: usize, value: u32) void {
std.debug.assert(i < size); std.debug.assert(i < size);
const content = self.content.load(.unordered); const content = self.content.raw;
if(self.bitSizeUnsafe() == 0) return; if(self.bitSizeUnsafe() == 0) return;
const bitIndex = i*self.bitSizeUnsafe(); const bitIndex = i*self.bitSizeUnsafe();
const intIndex = bitIndex >> 5; const intIndex = bitIndex >> 5;
@ -1086,13 +1086,13 @@ pub fn DynamicPackedIntArray(size: comptime_int) type { // MARK: DynamicPackedIn
const bitMask = (@as(u32, 1) << self.bitSizeUnsafe()) - 1; const bitMask = (@as(u32, 1) << self.bitSizeUnsafe()) - 1;
std.debug.assert(value <= bitMask); std.debug.assert(value <= bitMask);
const ptr: *Atomic(u32) = &content.toSlice()[intIndex]; const ptr: *Atomic(u32) = &content.toSlice()[intIndex];
const old = ptr.load(.unordered); const old = ptr.raw;
ptr.store((old & ~(bitMask << bitOffset)) | value << bitOffset, .unordered); ptr.store((old & ~(bitMask << bitOffset)) | value << bitOffset, .unordered);
} }
pub fn setAndGetValue(self: *Self, i: usize, value: u32) u32 { pub fn setAndGetValue(self: *Self, i: usize, value: u32) u32 {
std.debug.assert(i < size); std.debug.assert(i < size);
const content = self.content.load(.unordered); const content = self.content.raw;
if(self.bitSizeUnsafe() == 0) return 0; if(self.bitSizeUnsafe() == 0) return 0;
const bitIndex = i*self.bitSizeUnsafe(); const bitIndex = i*self.bitSizeUnsafe();
const intIndex = bitIndex >> 5; const intIndex = bitIndex >> 5;
@ -1100,7 +1100,7 @@ pub fn DynamicPackedIntArray(size: comptime_int) type { // MARK: DynamicPackedIn
const bitMask = (@as(u32, 1) << self.bitSizeUnsafe()) - 1; const bitMask = (@as(u32, 1) << self.bitSizeUnsafe()) - 1;
std.debug.assert(value <= bitMask); std.debug.assert(value <= bitMask);
const ptr: *Atomic(u32) = &content.toSlice()[intIndex]; const ptr: *Atomic(u32) = &content.toSlice()[intIndex];
const old = ptr.load(.unordered); const old = ptr.raw;
ptr.store((old & ~(bitMask << bitOffset)) | value << bitOffset, .unordered); ptr.store((old & ~(bitMask << bitOffset)) | value << bitOffset, .unordered);
return old >> bitOffset & bitMask; return old >> bitOffset & bitMask;
} }
@ -1256,7 +1256,7 @@ pub fn PaletteCompressedRegion(T: type, size: comptime_int) type { // MARK: Pale
for(0..size) |i| { for(0..size) |i| {
newData.setValue(i, paletteMap[self.data.getValue(i)]); newData.setValue(i, paletteMap[self.data.getValue(i)]);
} }
newData.content.store(self.data.content.swap(newData.content.load(.unordered), .release), .unordered); newData.content.raw = self.data.content.swap(newData.content.raw, .release);
newData.deinit(); newData.deinit();
self.paletteLength = self.activePaletteEntries; self.paletteLength = self.activePaletteEntries;
self.palette = main.globalAllocator.realloc(self.palette, @as(usize, 1) << self.data.bitSizeUnsafe()); self.palette = main.globalAllocator.realloc(self.palette, @as(usize, 1) << self.data.bitSizeUnsafe());