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core: provide a default sysgpu interface implementation

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2024-04-29 11:57:54 -07:00 • committed by Stephen Gutekanst
parent fc0ff2fffd
commit 44f950a7f3
3 changed files with 8 additions and 11 deletions
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7
src/core/platform/glfw/Core.zig
View file

@ -137,11 +137,8 @@ pub fn init(
input: *Frequency,
options: Options,
) !void {
if (!@import("builtin").is_test and !mach.use_sysgpu) _ = mach.wgpu.Export(blk: {
if (@hasDecl(@import("root"), "GPUInterface")) break :blk @import("root").GPUInterface;
break :blk mach.wgpu.dawn.Interface;
});
if (!@import("builtin").is_test and mach.use_sysgpu) _ = mach.sysgpu.sysgpu.Export(@import("root").SYSGPUInterface);
if (!@import("builtin").is_test and !mach.use_sysgpu) _ = mach.wgpu.Export(mach.wgpu.Impl);
if (!@import("builtin").is_test and mach.use_sysgpu) _ = mach.sysgpu.sysgpu.Export(mach.sysgpu.Impl);
const backend_type = try detectBackendType(allocator);

7
src/core/platform/x11/Core.zig
View file

@ -300,11 +300,8 @@ pub fn init(
input: *Frequency,
options: Options,
) !void {
if (!@import("builtin").is_test and !mach.use_sysgpu) _ = mach.wgpu.Export(blk: {
if (@hasDecl(@import("root"), "GPUInterface")) break :blk @import("root").GPUInterface;
break :blk mach.wgpu.dawn.Interface;
});
if (!@import("builtin").is_test and mach.use_sysgpu) _ = mach.sysgpu.sysgpu.Export(@import("root").SYSGPUInterface);
if (!@import("builtin").is_test and !mach.use_sysgpu) _ = mach.wgpu.Export(mach.wgpu.Impl);
if (!@import("builtin").is_test and mach.use_sysgpu) _ = mach.sysgpu.sysgpu.Export(mach.sysgpu.Impl);
const libx11 = try LibX11.load();
const libxcursor: ?LibXCursor = LibXCursor.load() catch |err| switch (err) {

5
src/sysgpu/sysgpu/interface.zig
View file

@ -9,7 +9,10 @@ pub const Impl = blk: {
break :blk StubInterface;
} else {
const root = @import("root");
if (!@hasDecl(root, "SYSGPUInterface")) @compileError("expected to find `pub const SYSGPUInterface = T;` in root file");
// Default to standard implementation of sysgpu.Interface if none was specified.
if (!@hasDecl(root, "SYSGPUInterface")) break :blk Interface(@import("../main.zig").Impl);
_ = sysgpu.Interface(root.SYSGPUInterface); // verify the type
break :blk root.SYSGPUInterface;
}