878d8fbf2f
The additional tests from http://review.skia.org/441238 uncovered a gap in the constant folder's abilities; it was not able to fold away boolean vector comparisons even when they were constant. These are ES2 constant-expressions, so folding them properly is a requirement. Change-Id: Ia0b4d5d1215c5fc2b247ac3f0dec4c8747d2153e Reviewed-on: https://skia-review.googlesource.com/c/skia/+/441579 Commit-Queue: John Stiles <johnstiles@google.com> Commit-Queue: Brian Osman <brianosman@google.com> Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
29 lines
1.0 KiB
Metal
29 lines
1.0 KiB
Metal
#include <metal_stdlib>
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#include <simd/simd.h>
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using namespace metal;
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struct Uniforms {
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float4 colorGreen;
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float4 colorRed;
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float2x2 testMatrix2x2;
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};
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struct Inputs {
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};
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struct Outputs {
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float4 sk_FragColor [[color(0)]];
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};
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float4 float4_from_float2x2(float2x2 x) {
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return float4(x[0].xy, x[1].xy);
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}
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fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
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Outputs _out;
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(void)_out;
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bool ok = true;
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ok = ok && all(float4_from_float2x2(_uniforms.testMatrix2x2) == float4(1.0, 2.0, 3.0, 4.0));
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ok = ok && all(float4_from_float2x2(_uniforms.testMatrix2x2) == float4(1.0, 2.0, 3.0, 4.0));
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ok = ok && all(int4(float4_from_float2x2(_uniforms.testMatrix2x2)) == int4(1, 2, 3, 4));
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ok = ok && all(bool4(float4_from_float2x2(_uniforms.testMatrix2x2)) == bool4(true, true, true, true));
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_out.sk_FragColor = ok ? _uniforms.colorGreen : _uniforms.colorRed;
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return _out;
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}
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