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https://github.com/italicsjenga/vello.git
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fbfd4ee81b
Add a clear stage and associated tests, and also use it on non-Vulkan backends to clear the state buffer. While that's a workaround and will go away when we implement the actual clear command, it's also a nice demo of how the new "stage" structure composes.
28 lines
508 B
Plaintext
28 lines
508 B
Plaintext
#include <metal_stdlib>
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#include <simd/simd.h>
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using namespace metal;
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struct ConfigBuf
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{
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uint size;
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uint value;
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};
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struct TargetBuf
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{
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uint data[1];
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};
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constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(256u, 1u, 1u);
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kernel void main0(const device ConfigBuf& _19 [[buffer(0)]], device TargetBuf& _32 [[buffer(1)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
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{
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uint ix = gl_GlobalInvocationID.x;
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if (ix < _19.size)
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{
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_32.data[ix] = _19.value;
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}
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}
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