d90e09b1ae
This will hopefully improve performance on lower-end GPUs. Change-Id: I9c2ee6dc31acd08bec0bfb5f59edc3cf90163f9e Bug: skia:12339 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/465078 Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Brian Osman <brianosman@google.com> Commit-Queue: John Stiles <johnstiles@google.com>
22 lines
760 B
Metal
22 lines
760 B
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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uint a;
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};
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struct Inputs {
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};
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struct Outputs {
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half4 sk_FragColor [[color(0)]];
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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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_out.sk_FragColor.xy = half2(float2(as_type<half2>(_uniforms.a)));
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_out.sk_FragColor.xy = half2(unpack_unorm2x16_to_float(_uniforms.a));
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_out.sk_FragColor.xy = half2(unpack_snorm2x16_to_float(_uniforms.a));
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_out.sk_FragColor = half4(unpack_unorm4x8_to_float(_uniforms.a));
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_out.sk_FragColor = half4(unpack_snorm4x8_to_float(_uniforms.a));
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return _out;
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}
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