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gpu: prepare for full-scale rewrite of library

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
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Stephen Gutekanst 2022-07-10 18:02:19 -07:00 • committed by Stephen Gutekanst
parent 9d05e7c656
commit 2174936469
30 changed files with 0 additions and 5865 deletions
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241
gpu/src/Texture.zig
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@ -1,241 +0,0 @@
const std = @import("std");
const Extent3D = @import("data.zig").Extent3D;
const TextureView = @import("TextureView.zig");
const Texture = @This();
/// The type erased pointer to the Texture implementation
/// Equal to c.WGPUTexture for NativeInstance.
ptr: *anyopaque,
vtable: *const VTable,
pub const VTable = struct {
reference: fn (ptr: *anyopaque) void,
release: fn (ptr: *anyopaque) void,
destroy: fn (ptr: *anyopaque) void,
setLabel: fn (ptr: *anyopaque, label: [:0]const u8) void,
createView: fn (ptr: *anyopaque, descriptor: *const TextureView.Descriptor) TextureView,
};
pub inline fn reference(texture: Texture) void {
texture.vtable.reference(texture.ptr);
}
pub inline fn release(texture: Texture) void {
texture.vtable.release(texture.ptr);
}
pub inline fn setLabel(texture: Texture, label: [:0]const u8) void {
texture.vtable.setLabel(texture.ptr, label);
}
pub inline fn destroy(texture: Texture) void {
texture.vtable.destroy(texture.ptr);
}
pub inline fn createView(texture: Texture, descriptor: *const TextureView.Descriptor) TextureView {
return texture.vtable.createView(texture.ptr, descriptor);
}
pub const Descriptor = struct {
reserved: ?*anyopaque = null,
label: ?[*:0]const u8 = null,
usage: Usage,
dimension: Dimension = .dimension_2d,
size: Extent3D,
format: Format,
mip_level_count: u32 = 1,
sample_count: u32 = 1,
view_formats: ?[]const Format = null,
};
pub const Usage = packed struct {
copy_src: bool = false,
copy_dst: bool = false,
texture_binding: bool = false,
storage_binding: bool = false,
render_attachment: bool = false,
present: bool = false,
_pad0: u2 = 0,
_pad1: u8 = 0,
_pad2: u16 = 0,
comptime {
std.debug.assert(
@sizeOf(@This()) == @sizeOf(u32) and
@bitSizeOf(@This()) == @bitSizeOf(u32),
);
}
pub fn equal(a: Usage, b: Usage) bool {
return a.copy_src == b.copy_src and
a.copy_dst == b.copy_dst and
a.texture_binding == b.texture_binding and
a.storage_binding == b.storage_binding and
a.render_attachment == b.render_attachment and
a.present == b.present;
}
};
pub const Format = enum(u32) {
none = 0x00000000,
r8_unorm = 0x00000001,
r8_snorm = 0x00000002,
r8_uint = 0x00000003,
r8_sint = 0x00000004,
r16_uint = 0x00000005,
r16_sint = 0x00000006,
r16_float = 0x00000007,
rg8_unorm = 0x00000008,
rg8_snorm = 0x00000009,
rg8_uint = 0x0000000a,
rg8_sint = 0x0000000b,
r32_float = 0x0000000c,
r32_uint = 0x0000000d,
r32_sint = 0x0000000e,
rg16_uint = 0x0000000f,
rg16_sint = 0x00000010,
rg16_float = 0x00000011,
rgba8_unorm = 0x00000012,
rgba8_unorm_srgb = 0x00000013,
rgba8_snorm = 0x00000014,
rgba8_uint = 0x00000015,
rgba8_sint = 0x00000016,
bgra8_unorm = 0x00000017,
bgra8_unorm_srgb = 0x00000018,
rgb10a2_unorm = 0x00000019,
rg11b10u_float = 0x0000001a,
rgb9e5u_float = 0x0000001b,
rg32_float = 0x0000001c,
rg32_uint = 0x0000001d,
rg32_sint = 0x0000001e,
rgba16_uint = 0x0000001f,
rgba16_sint = 0x00000020,
rgba16_float = 0x00000021,
rgba32_float = 0x00000022,
rgba32_uint = 0x00000023,
rgba32_sint = 0x00000024,
stencil8 = 0x00000025,
depth16_unorm = 0x00000026,
depth24_plus = 0x00000027,
depth24_plus_stencil8 = 0x00000028,
depth24_unorm_stencil8 = 0x00000029,
depth32_float = 0x0000002a,
depth32_float_stencil8 = 0x0000002b,
bc1rgba_unorm = 0x0000002c,
bc1rgba_unorm_srgb = 0x0000002d,
bc2rgba_unorm = 0x0000002e,
bc2rgba_unorm_srgb = 0x0000002f,
bc3rgba_unorm = 0x00000030,
bc3rgba_unorm_srgb = 0x00000031,
bc4r_unorm = 0x00000032,
bc4r_snorm = 0x00000033,
bc5rg_unorm = 0x00000034,
bc5rg_snorm = 0x00000035,
bc6hrgbu_float = 0x00000036,
bc6hrgb_float = 0x00000037,
bc7rgba_unorm = 0x00000038,
bc7rgba_unorm_srgb = 0x00000039,
etc2rgb8_unorm = 0x0000003a,
etc2rgb8_unorm_srgb = 0x0000003b,
etc2rgb8a1_unorm = 0x0000003c,
etc2rgb8a1_unorm_srgb = 0x0000003d,
etc2rgba8_unorm = 0x0000003e,
etc2rgba8_unorm_srgb = 0x0000003f,
eacr11_unorm = 0x00000040,
eacr11_snorm = 0x00000041,
eacrg11_unorm = 0x00000042,
eacrg11_snorm = 0x00000043,
astc4x4_unorm = 0x00000044,
astc4x4_unorm_srgb = 0x00000045,
astc5x4_unorm = 0x00000046,
astc5x4_unorm_srgb = 0x00000047,
astc5x5_unorm = 0x00000048,
astc5x5_unorm_srgb = 0x00000049,
astc6x5_unorm = 0x0000004a,
astc6x5_unorm_srgb = 0x0000004b,
astc6x6_unorm = 0x0000004c,
astc6x6_unorm_srgb = 0x0000004d,
astc8x5_unorm = 0x0000004e,
astc8x5_unorm_srgb = 0x0000004f,
astc8x6_unorm = 0x00000050,
astc8x6_unorm_srgb = 0x00000051,
astc8x8_unorm = 0x00000052,
astc8x8_unorm_srgb = 0x00000053,
astc10x5_unorm = 0x00000054,
astc10x5_unorm_srgb = 0x00000055,
astc10x6_unorm = 0x00000056,
astc10x6_unorm_srgb = 0x00000057,
astc10x8_unorm = 0x00000058,
astc10x8_unorm_srgb = 0x00000059,
astc10x10_unorm = 0x0000005a,
astc10x10_unorm_srgb = 0x0000005b,
astc12x10_unorm = 0x0000005c,
astc12x10_unorm_srgb = 0x0000005d,
astc12x12_unorm = 0x0000005e,
astc12x12_unorm_srgb = 0x0000005f,
r8bg8biplanar420_unorm = 0x00000060,
};
pub const Aspect = enum(u32) {
all = 0x00000000,
stencil_only = 0x00000001,
depth_only = 0x00000002,
plane0_only = 0x00000003,
plane1_only = 0x00000004,
};
pub const ComponentType = enum(u32) {
float = 0x00000000,
sint = 0x00000001,
uint = 0x00000002,
depth_comparison = 0x00000003,
};
pub const Dimension = enum(u32) {
dimension_1d = 0x00000000,
dimension_2d = 0x00000001,
dimension_3d = 0x00000002,
};
pub const SampleType = enum(u32) {
none = 0x00000000,
float = 0x00000001,
unfilterable_float = 0x00000002,
depth = 0x00000003,
sint = 0x00000004,
uint = 0x00000005,
};
pub const BindingLayout = extern struct {
reserved: ?*anyopaque = null,
sample_type: SampleType = .float,
view_dimension: TextureView.Dimension = .dimension_2d,
multisampled: bool = false,
};
pub const DataLayout = extern struct {
reserved: ?*anyopaque = null,
offset: u64 = 0,
bytes_per_row: u32,
rows_per_image: u32,
};
test {
_ = VTable;
_ = reference;
_ = release;
_ = destroy;
_ = Descriptor;
_ = Usage;
_ = Format;
_ = Aspect;
_ = ComponentType;
_ = Dimension;
_ = SampleType;
_ = BindingLayout;
_ = DataLayout;
}