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gpu: implement basic Buffer .getConstMappedRange, .getMappedRange

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-03-18 22:42:56 -07:00 • committed by Stephen Gutekanst
parent 1209cb590d
commit 05d1eeb9ee
2 changed files with 24 additions and 4 deletions
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12
gpu/src/NativeInstance.zig
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@ -1700,6 +1700,18 @@ const buffer_vtable = Buffer.VTable{
c.wgpuBufferRelease(@ptrCast(c.WGPUBuffer, ptr));
}
}).release,
.getConstMappedRange = (struct {
pub fn getConstMappedRange(ptr: *anyopaque, offset: usize, size: usize) []const u8 {
const range = c.wgpuBufferGetConstMappedRange(@ptrCast(c.WGPUBuffer, ptr), offset, size);
return @ptrCast([*c]const u8, range.?)[0..size];
}
}).getConstMappedRange,
.getMappedRange = (struct {
pub fn getMappedRange(ptr: *anyopaque, offset: usize, size: usize) []u8 {
const range = c.wgpuBufferGetMappedRange(@ptrCast(c.WGPUBuffer, ptr), offset, size);
return @ptrCast([*c]u8, range.?)[0..size];
}
}).getMappedRange,
.setLabel = (struct {
pub fn setLabel(ptr: *anyopaque, label: [:0]const u8) void {
c.wgpuBufferSetLabel(@ptrCast(c.WGPUBuffer, ptr), label);