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gpu: improve how limits are represented

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-03-07 22:55:24 -07:00 • committed by Stephen Gutekanst
parent 070126b85d
commit 39ab0105a9
6 changed files with 36 additions and 25 deletions
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36
gpu/src/NativeInstance.zig
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@ -2,20 +2,20 @@
const std = @import("std");
const c = @import("c.zig").c;
pub const Interface = @import("Interface.zig");
pub const RequestAdapterOptions = Interface.RequestAdapterOptions;
pub const RequestAdapterErrorCode = Interface.RequestAdapterErrorCode;
pub const RequestAdapterError = Interface.RequestAdapterError;
pub const RequestAdapterResponse = Interface.RequestAdapterResponse;
const Interface = @import("Interface.zig");
const RequestAdapterOptions = Interface.RequestAdapterOptions;
const RequestAdapterErrorCode = Interface.RequestAdapterErrorCode;
const RequestAdapterError = Interface.RequestAdapterError;
const RequestAdapterResponse = Interface.RequestAdapterResponse;
pub const Adapter = @import("Adapter.zig");
pub const RequestDeviceErrorCode = Adapter.RequestDeviceErrorCode;
pub const RequestDeviceError = Adapter.RequestDeviceError;
pub const RequestDeviceResponse = Adapter.RequestDeviceResponse;
pub const Device = @import("Device.zig");
const Adapter = @import("Adapter.zig");
const RequestDeviceErrorCode = Adapter.RequestDeviceErrorCode;
const RequestDeviceError = Adapter.RequestDeviceError;
const RequestDeviceResponse = Adapter.RequestDeviceResponse;
const Device = @import("Device.zig");
const Surface = @import("Surface.zig");
const Limits = @import("Limits.zig");
const NativeInstance = @This();
@ -233,12 +233,17 @@ const adapter_vtable = Adapter.VTable{
pub fn requestDevice(ptr: *anyopaque, descriptor: *const Device.Descriptor) callconv(.Async) RequestDeviceResponse {
const adapter = @ptrCast(c.WGPUAdapter, @alignCast(@alignOf(c.WGPUAdapter), ptr));
const required_limits = if (descriptor.required_limits) |l| c.WGPURequiredLimits{
.nextInChain = null,
.limits = convertLimits(l),
} else null;
const desc = c.WGPUDeviceDescriptor{
.nextInChain = null,
.label = if (descriptor.label) |l| @ptrCast([*c]const u8, l) else null,
.requiredFeaturesCount = if (descriptor.required_features) |f| @intCast(u32, f.len) else 0,
.requiredFeatures = if (descriptor.required_features) |f| @ptrCast([*c]const c_uint, &f[0]) else null,
.requiredLimits = null, // TODO
.requiredLimits = if (required_limits) |*l| l else null,
};
const callback = (struct {
@ -295,6 +300,12 @@ const device_vtable = Device.VTable{
}).release,
};
fn convertLimits(l: Limits) c.WGPULimits {
// TODO: implement!
_ = l;
return std.mem.zeroes(c.WGPULimits);
}
test "syntax" {
_ = wrap;
_ = interface_vtable;
@ -304,4 +315,5 @@ test "syntax" {
_ = adapter_vtable;
_ = wrapDevice;
_ = device_vtable;
_ = convertLimits;
}