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mach: add a standard way to access platform specific structs

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This is done by adding platform.zig which is a file providing types like
``CoreType``, ``GpuDriverType`` and ``BackingTimerType``.
This commit is contained in:
iddev5 2022-05-23 13:23:26 +05:30 • committed by Stephen Gutekanst
parent e5050e856e
commit f3e2b8b74c
5 changed files with 74 additions and 77 deletions
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19
src/Engine.zig
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@ -3,6 +3,7 @@ const Allocator = std.mem.Allocator;
const builtin = @import("builtin");
const glfw = @import("glfw");
const gpu = @import("gpu");
const platform = @import("platform.zig");
const structs = @import("structs.zig");
const enums = @import("enums.zig");
const Timer = @import("Timer.zig");
@ -29,7 +30,7 @@ delta_time_ns: u64 = 0,
timer: Timer,
pub const Core = struct {
internal: GetCoreInternalType(),
internal: platform.CoreType,
pub fn setShouldClose(core: *Core, value: bool) void {
core.internal.setShouldClose(value);
@ -59,7 +60,7 @@ pub const Core = struct {
};
pub const GpuDriver = struct {
internal: GetGpuDriverInternalType(),
internal: platform.GpuDriverType,
device: gpu.Device,
backend_type: gpu.Adapter.BackendType,
@ -82,18 +83,8 @@ pub fn init(allocator: std.mem.Allocator, options: structs.Options) !Engine {
// Note: if in future, there is a conflict in init() signature of different backends,
// move these calls to the entry point file, which is native.zig for Glfw, for example
engine.core.internal = try GetCoreInternalType().init(allocator, &engine);
engine.gpu_driver.internal = try GetGpuDriverInternalType().init(allocator, &engine);
engine.core.internal = try platform.CoreType.init(allocator, &engine);
engine.gpu_driver.internal = try platform.GpuDriverType.init(allocator, &engine);
return engine;
}
fn GetCoreInternalType() type {
if (builtin.cpu.arch == .wasm32) return @import("wasm.zig").CoreWasm;
return @import("native.zig").CoreGlfw;
}
fn GetGpuDriverInternalType() type {
if (builtin.cpu.arch == .wasm32) return @import("wasm.zig").GpuDriverWeb;
return @import("native.zig").GpuDriverNative;
}