const ChainedStruct = @import("types.zig").ChainedStruct;
const TextureView = @import("texture_view.zig").TextureView;
const Impl = @import("interface.zig").Impl;

pub const ExternalTexture = opaque {
    /// TODO: Can be chained in gpu.BindGroup.Entry
    pub const BindingEntry = extern struct {
        chain: ChainedStruct = .{ .next = null, .s_type = .external_texture_binding_entry },
        external_texture: *ExternalTexture,
    };

    /// TODO: Can be chained in gpu.BindGroupLayout.Entry
    pub const BindingLayout = extern struct {
        chain: ChainedStruct = .{ .next = null, .s_type = .external_texture_binding_layout },
    };

    pub const Descriptor = extern struct {
        next_in_chain: ?*const ChainedStruct = null,
        label: ?[*:0]const u8 = null,
        plane0: *TextureView,
        plane1: ?*TextureView = null,
        do_yuv_to_rgb_conversion_only: bool = false,
        // TODO: dawn.json says length 12, does it mean array length?
        yuv_to_rgb_conversion_matrix: ?[*]const f32 = null,
        // TODO: dawn.json says length 7, does it mean array length?
        src_transform_function_parameters: [*]const f32,
        // TODO: dawn.json says length 7, does it mean array length?
        dst_transform_function_parameters: [*]const f32,
        // TODO: dawn.json says length 9, does it mean array length?
        gamut_conversion_matrix: [*]const f32,
    };

    pub inline fn destroy(external_texture: *ExternalTexture) void {
        Impl.externalTextureDestroy(external_texture);
    }

    pub inline fn setLabel(external_texture: *ExternalTexture, label: [*:0]const u8) void {
        Impl.externalTextureSetLabel(external_texture, label);
    }

    pub inline fn reference(external_texture: *ExternalTexture) void {
        Impl.externalTextureReference(external_texture);
    }

    pub inline fn release(external_texture: *ExternalTexture) void {
        Impl.externalTextureRelease(external_texture);
    }
};