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core: cleanup sysgpu feature flag logic

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* `@import("mach").core.gpu` has been renamed to `@import("mach").gpu`
* `pub const SYSGPUInterface` now has a default value (i.e. you do not need to write it in your main.zig, if you were.)
* You can now check `if (comptime mach.use_sysgpu)` for any conditional code you might have that should only run with sysgpu.

This (old):

```
pub const mach_core_options = core.ComptimeOptions{
    .use_wgpu = false,
    .use_sysgpu = true,
};
```

Has been replaced by this:

```
pub const use_sysgpu = true;
```

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2024-04-19 20:48:33 -07:00
parent 6a2358baf8
commit 7a1efdaa69
32 changed files with 85 additions and 132 deletions
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12
src/core/platform/native_entrypoint.zig
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@ -8,14 +8,16 @@ pub usingnamespace @import("app");
const App = @import("app").App;
const std = @import("std");
const core = @import("mach").core;
const mach = @import("mach");
const core = mach.core;
pub usingnamespace if (!@hasDecl(App, "GPUInterface")) struct {
pub const GPUInterface = core.wgpu.dawn.Interface;
pub const GPUInterface = mach.wgpu.dawn.Interface;
} else struct {};
pub usingnamespace if (!@hasDecl(App, "SYSGPUInterface")) extern struct {
pub const SYSGPUInterface = core.sysgpu.Impl;
pub const SYSGPUInterface = mach.sysgpu.Impl;
} else struct {};
pub fn main() !void {
@ -29,8 +31,8 @@ pub fn main() !void {
core.allocator = gpa.allocator();
// Initialize GPU implementation
if (comptime core.options.use_wgpu) try core.wgpu.Impl.init(core.allocator, .{});
if (comptime core.options.use_sysgpu) try core.sysgpu.Impl.init(core.allocator, .{});
if (comptime !mach.use_sysgpu) try mach.wgpu.Impl.init(core.allocator, .{});
if (comptime mach.use_sysgpu) try mach.sysgpu.Impl.init(core.allocator, .{});
var app: App = undefined;
try app.init();