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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.
27 lines
517 B
GLSL
27 lines
517 B
GLSL
// SPDX-License-Identifier: Apache-2.0 OR MIT OR Unlicense
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// Clear a buffer.
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#version 450
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layout(local_size_x = 256) in;
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// This should probably be uniform rather than readonly,
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// but we haven't done the binding work yet.
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layout(binding = 0) readonly buffer ConfigBuf {
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// size is in uint (4 byte) units
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uint size;
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uint value;
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};
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layout(binding = 1) buffer TargetBuf {
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uint[] data;
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};
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void main() {
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uint ix = gl_GlobalInvocationID.x;
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if (ix < size) {
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data[ix] = value;
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}
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}
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