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spirv: start.zig support for vulkan

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* Use builtin.zig_backend instead of builtin.cpu.arch, the latter
  does not yet compile under VK.
* Don't call regular _start for either opencl or vulkan. We might
  even want to disable these completely.
This commit is contained in:
Robin Voetter 2024-10-20 16:51:15 +02:00
parent 6a364b4a5e
commit 9b42bc1ce5
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1 changed files with 2 additions and 3 deletions
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5
lib/std/start.zig
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@ -19,8 +19,7 @@ pub const simplified_logic =
builtin.zig_backend == .stage2_aarch64 or builtin.zig_backend == .stage2_aarch64 or
builtin.zig_backend == .stage2_arm or builtin.zig_backend == .stage2_arm or
builtin.zig_backend == .stage2_sparc64 or builtin.zig_backend == .stage2_sparc64 or
builtin.cpu.arch == .spirv32 or builtin.zig_backend == .stage2_spirv64;
builtin.cpu.arch == .spirv64;
comptime { comptime {
// No matter what, we import the root file, so that any export, test, comptime // No matter what, we import the root file, so that any export, test, comptime
@ -37,7 +36,7 @@ comptime {
if (!@hasDecl(root, "wWinMainCRTStartup") and !@hasDecl(root, "mainCRTStartup")) { if (!@hasDecl(root, "wWinMainCRTStartup") and !@hasDecl(root, "mainCRTStartup")) {
@export(&wWinMainCRTStartup2, .{ .name = "wWinMainCRTStartup" }); @export(&wWinMainCRTStartup2, .{ .name = "wWinMainCRTStartup" });
} }
} else if (builtin.os.tag == .opencl) { } else if (builtin.os.tag == .opencl or builtin.os.tag == .vulkan) {
if (@hasDecl(root, "main")) if (@hasDecl(root, "main"))
@export(&spirvMain2, .{ .name = "main" }); @export(&spirvMain2, .{ .name = "main" });
} else { } else {