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fixing vector convertions and derivative propagation through composite construct

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kbz_8
2026-06-19 00:40:22 +02:00
parent 1f43dc95df
commit 391f4415d9
5 changed files with 349 additions and 226 deletions
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src/Value.zig
+20 -12
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@@ -501,6 +501,24 @@ pub const Value = union(Type) {
return matrix_size;
}
pub fn writeMatrixWithStride(self: *Self, input: []const u8, matrix_stride: SpvWord) RuntimeError!usize {
const columns = switch (self.*) {
.Matrix => |columns| columns,
else => return RuntimeError.InvalidValueType,
};
if (columns.len == 0) return 0;
const matrix_stride_usize: usize = @intCast(matrix_stride);
const column_size = try columns[0].getPlainMemorySize();
const matrix_size = (columns.len - 1) * matrix_stride_usize + column_size;
if (input.len < matrix_size) return RuntimeError.OutOfBounds;
for (columns, 0..) |*column, column_index| {
_ = try column.write(input[column_index * matrix_stride_usize ..]);
}
return matrix_size;
}
pub fn write(self: *Self, input: []const u8) RuntimeError!usize {
const vecRoutine = struct {
inline fn routine(comptime T: type, vec: *T, in: []const u8) RuntimeError!usize {
@@ -605,18 +623,8 @@ pub const Value = union(Type) {
const write_size = switch (v.*) {
.Matrix => |*columns| blk: {
const matrix_stride = s.matrix_strides[i] orelse break :blk try v.write(input[member_offset..]);
if (columns.len == 0) break :blk @as(usize, 0);
const matrix_stride_usize: usize = @intCast(matrix_stride);
const column_size = try columns.*[0].getPlainMemorySize();
const matrix_size = (columns.len - 1) * matrix_stride_usize + column_size;
if (input.len - member_offset < matrix_size)
return RuntimeError.OutOfBounds;
for (columns.*, 0..) |*column, column_index| {
_ = try column.write(input[member_offset + (column_index * matrix_stride_usize) ..]);
}
break :blk matrix_size;
_ = columns;
break :blk try v.writeMatrixWithStride(input[member_offset..], matrix_stride);
},
else => try v.write(input[member_offset..]),
};