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gpu: implement RenderPassEncoder.executeBundles

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-03-15 23:07:48 -07:00 • committed by Stephen Gutekanst
parent 45d27fdbb2
commit 8615f346dd
2 changed files with 30 additions and 1 deletions
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24
gpu/src/NativeInstance.zig
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@ -950,6 +950,30 @@ const render_pass_encoder_vtable = RenderPassEncoder.VTable{
c.wgpuRenderPassEncoderEnd(@ptrCast(c.WGPURenderPassEncoder, ptr));
}
}).end,
.executeBundles = (struct {
pub fn executeBundles(ptr: *anyopaque, bundles: []RenderBundle) void {
var few_bundles: [16]c.WGPURenderBundle = undefined;
const c_bundles = if (bundles.len <= 8) blk: {
for (bundles) |bundle, i| {
few_bundles[i] = @ptrCast(c.WGPURenderBundle, bundle.ptr);
}
break :blk few_bundles[0..bundles.len];
} else blk: {
const mem = std.heap.page_allocator.alloc(c.WGPURenderBundle, bundles.len) catch unreachable;
for (bundles) |bundle, i| {
mem[i] = @ptrCast(c.WGPURenderBundle, bundle.ptr);
}
break :blk mem;
};
defer if (bundles.len > 8) std.heap.page_allocator.free(c_bundles);
c.wgpuRenderPassEncoderExecuteBundles(
@ptrCast(c.WGPURenderPassEncoder, ptr),
@intCast(u32, c_bundles.len),
&c_bundles[0],
);
}
}).executeBundles,
};
fn wrapRenderBundleEncoder(enc: c.WGPURenderBundleEncoder) RenderBundleEncoder {