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gpu: convert Sampler from enum(usize) to *opaque

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-07-24 14:57:40 -07:00 • committed by Stephen Gutekanst
parent cb8c874536
commit 34edad6a2c
3 changed files with 35 additions and 38 deletions
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2
gpu/src/bind_group.zig
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@ -12,7 +12,7 @@ pub const BindGroupEntry = extern struct {
buffer: ?Buffer, buffer: ?Buffer,
offset: u64, offset: u64,
size: u64, size: u64,
sampler: Sampler = Sampler.none, // nullable sampler: ?Sampler,
texture_view: TextureView = TextureView.none, // nullable texture_view: TextureView = TextureView.none, // nullable
}; };

3
gpu/src/bind_group_layout.zig
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@ -3,6 +3,7 @@ const ShaderStageFlags = @import("types.zig").ShaderStageFlags;
const Buffer = @import("buffer.zig").Buffer; const Buffer = @import("buffer.zig").Buffer;
const BufferBindingLayout = @import("buffer.zig").BufferBindingLayout; const BufferBindingLayout = @import("buffer.zig").BufferBindingLayout;
const Sampler = @import("sampler.zig").Sampler; const Sampler = @import("sampler.zig").Sampler;
const SamplerBindingLayout = @import("sampler.zig").SamplerBindingLayout;
const Texture = @import("texture.zig").Texture; const Texture = @import("texture.zig").Texture;
const StorageTextureBindingLayout = @import("types.zig").StorageTextureBindingLayout; const StorageTextureBindingLayout = @import("types.zig").StorageTextureBindingLayout;
@ -13,7 +14,7 @@ pub const BindGroupLayoutEntry = extern struct {
binding: u32, binding: u32,
visibility: ShaderStageFlags, visibility: ShaderStageFlags,
buffer: BufferBindingLayout, buffer: BufferBindingLayout,
sampler: Sampler.BindingLayout, sampler: SamplerBindingLayout,
texture: Texture.BindingLayout, texture: Texture.BindingLayout,
storage_texture: StorageTextureBindingLayout, storage_texture: StorageTextureBindingLayout,
}; };

68
gpu/src/sampler.zig
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@ -2,41 +2,37 @@ const ChainedStruct = @import("types.zig").ChainedStruct;
const FilterMode = @import("types.zig").FilterMode; const FilterMode = @import("types.zig").FilterMode;
const CompareFunction = @import("types.zig").CompareFunction; const CompareFunction = @import("types.zig").CompareFunction;
pub const Sampler = enum(usize) { pub const Sampler = *opaque {};
_,
pub const none: Sampler = @intToEnum(Sampler, 0); pub const SamplerAddressMode = enum(u32) {
repeat = 0x00000000,
pub const AddressMode = enum(u32) { mirror_repeat = 0x00000001,
repeat = 0x00000000, clamp_to_edge = 0x00000002,
mirror_repeat = 0x00000001, };
clamp_to_edge = 0x00000002,
}; pub const SamplerBindingType = enum(u32) {
undef = 0x00000000,
pub const BindingType = enum(u32) { filtering = 0x00000001,
undef = 0x00000000, non_filtering = 0x00000002,
filtering = 0x00000001, comparison = 0x00000003,
non_filtering = 0x00000002, };
comparison = 0x00000003,
}; pub const SamplerBindingLayout = extern struct {
next_in_chain: *const ChainedStruct,
pub const BindingLayout = extern struct { type: SamplerBindingType,
next_in_chain: *const ChainedStruct, };
type: BindingType,
}; pub const SamplerDescriptor = extern struct {
next_in_chain: *const ChainedStruct,
pub const Descriptor = extern struct { label: ?[*:0]const u8 = null,
next_in_chain: *const ChainedStruct, address_mode_u: SamplerAddressMode,
label: ?[*:0]const u8 = null, address_mode_v: SamplerAddressMode,
address_mode_u: AddressMode, address_mode_w: SamplerAddressMode,
address_mode_v: AddressMode, mag_filter: FilterMode,
address_mode_w: AddressMode, min_filter: FilterMode,
mag_filter: FilterMode, mipmap_filter: FilterMode,
min_filter: FilterMode, lod_min_clamp: f32,
mipmap_filter: FilterMode, lod_max_clamp: f32,
lod_min_clamp: f32, compare: CompareFunction,
lod_max_clamp: f32, max_anisotropy: u16,
compare: CompareFunction,
max_anisotropy: u16,
};
}; };