5d08a27530
Declaring max_vertices before invocations fails to adjust max_vertices when invocation support is not present. (It should be 4, not 2 in this case). Bug: skia:10827 Change-Id: Ief7af97eabf5414ea8363808fc1ad2e9c480fe10 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/325664 Commit-Queue: Brian Osman <brianosman@google.com> Reviewed-by: John Stiles <johnstiles@google.com>
21 lines
577 B
GLSL
21 lines
577 B
GLSL
/*#pragma settings NoGSInvocationsSupport*/
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layout(points) in;
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// Subtle error: Declaring max_vertices before invocations causes us not to
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// apply the workaround fixup to max_vertices. It *should* be 4 (2*2) in the
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// GLSL, but is currently only 2. (skbug.com/10827)
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layout(line_strip, max_vertices = 2) out;
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layout(invocations = 2) in;
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void test() {
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sk_Position = sk_in[0].sk_Position + float4(0.5, 0, 0, sk_InvocationID);
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EmitVertex();
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}
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void main() {
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test();
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sk_Position = sk_in[0].sk_Position + float4(-0.5, 0, 0, sk_InvocationID);
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EmitVertex();
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}
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