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gpu: add Texture.Descriptor.init slice helper

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-08-16 18:50:35 -07:00
parent 05cb8b90c9
commit 4dae765252
2 changed files with 27 additions and 1 deletions
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1
gpu/README.md
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@ -173,6 +173,7 @@ And, to initialize data structures with slices in them, the following helpers ar
* `PipelineLayout.Descriptor.init`
* `QuerySet.Descriptor.init`
* `RenderBundleEncoder.Descriptor.init`
* `Texture.Descriptor.init`
### Typed callbacks

27
gpu/src/texture.zig
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@ -182,9 +182,34 @@ pub const Texture = opaque {
format: Format,
mip_level_count: u32 = 1,
sample_count: u32 = 1,
// TODO: slice helper
view_format_count: u32 = 0,
view_formats: ?[*]const Format = null,
/// Provides a slightly friendlier Zig API to initialize this structure.
pub inline fn init(v: struct {
next_in_chain: ?*const ChainedStruct = null,
label: ?[*:0]const u8 = null,
usage: UsageFlags,
dimension: Dimension = .dimension_2d,
size: Extent3D,
format: Format,
mip_level_count: u32 = 1,
sample_count: u32 = 1,
view_formats: ?[]const Format = null,
}) Descriptor {
return .{
.next_in_chain = v.next_in_chain,
.label = v.label,
.usage = v.usage,
.dimension = v.dimension,
.size = v.size,
.format = v.format,
.mip_level_count = v.mip_level_count,
.sample_count = v.sample_count,
.view_format_count = if (v.view_formats) |e| @intCast(u32, e.len) else 0,
.view_formats = if (v.view_formats) |e| e.ptr else null,
};
}
};
pub inline fn createView(texture: *Texture, descriptor: ?*const TextureView.Descriptor) *TextureView {