mach/gpu/src/structs.zig
Stephen Gutekanst 13fcf98436 gpu: add Texture.Descriptor
Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
2022-03-19 00:51:48 -07:00

92 lines
2.6 KiB
Zig

//! Structures which are not ABI compatible with webgpu.h
const Buffer = @import("Buffer.zig");
const Sampler = @import("Sampler.zig");
const Texture = @import("Texture.zig");
const TextureView = @import("TextureView.zig");
const ShaderModule = @import("ShaderModule.zig");
const QuerySet = @import("QuerySet.zig");
const StencilFaceState = @import("data.zig").StencilFaceState;
const CompilationMessageType = @import("enums.zig").CompilationMessageType;
const PrimitiveTopology = @import("enums.zig").PrimitiveTopology;
const IndexFormat = @import("enums.zig").IndexFormat;
const FrontFace = @import("enums.zig").FrontFace;
const CullMode = @import("enums.zig").CullMode;
const StorageTextureAccess = @import("enums.zig").StorageTextureAccess;
const CompareFunction = @import("enums.zig").CompareFunction;
const ComputePassTimestampLocation = @import("enums.zig").ComputePassTimestampLocation;
pub const CompilationMessage = struct {
message: [:0]const u8,
type: CompilationMessageType,
line_num: u64,
line_pos: u64,
offset: u64,
length: u64,
};
pub const CompilationInfo = struct {
messages: []const CompilationMessage,
};
pub const MultisampleState = struct {
count: u32,
mask: u32,
alpha_to_coverage_enabled: bool,
};
pub const PrimitiveState = struct {
topology: PrimitiveTopology,
strip_index_format: IndexFormat,
front_face: FrontFace,
cull_mode: CullMode,
};
pub const StorageTextureBindingLayout = struct {
access: StorageTextureAccess,
format: Texture.Format,
view_dimension: TextureView.Dimension,
};
pub const DepthStencilState = struct {
format: Texture.Format,
depth_write_enabled: bool,
depth_compare: CompareFunction,
stencil_front: StencilFaceState,
stencil_back: StencilFaceState,
stencil_read_mask: u32,
stencil_write_mask: u32,
depth_bias: i32,
depth_bias_slope_scale: f32,
depth_bias_clamp: f32,
};
// TODO: how does this map to browser API?
pub const ConstantEntry = struct {
key: [*:0]const u8,
value: f64,
};
pub const ProgrammableStageDescriptor = struct {
label: ?[*:0]const u8 = null,
module: ShaderModule,
entryPoint: [*:0]const u8,
constants: []const ConstantEntry,
};
pub const ComputePassTimestampWrite = struct {
query_set: QuerySet,
query_index: u32,
location: ComputePassTimestampLocation,
};
test "syntax" {
_ = CompilationMessage;
_ = CompilationInfo;
_ = MultisampleState;
_ = PrimitiveState;
_ = StorageTextureBindingLayout;
_ = DepthStencilState;
_ = ConstantEntry;
_ = ProgrammableStageDescriptor;
_ = ComputePassTimestampWrite;
}