9b9805959d
This reverts commit9d24b02c2f
. Reason for revert: needs premul/unpremul conversion fix (http://review.skia.org/465798) Original change's description: > Revert "Add support for half-precision types in Metal." > > This reverts commitd90e09b1ae
. > > Reason for revert: MacMini failing CompressedBackendAllocationTest > > Original change's description: > > Add support for half-precision types in Metal. > > > > 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> > > Bug: skia:12339 > Change-Id: Ic5aa4bef454ca67f5ce26c600444d9565e0158cb > No-Presubmit: true > No-Tree-Checks: true > No-Try: true > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/465796 > Auto-Submit: Brian Osman <brianosman@google.com> > Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> > Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Bug: skia:12339 Change-Id: I53a8a6fef299da15d206d884ba7029820ffcff43 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/465799 Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Commit-Queue: John Stiles <johnstiles@google.com>
42 lines
1.3 KiB
Metal
42 lines
1.3 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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half4 colorGreen;
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half4 colorRed;
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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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half2 tricky_h2hhh2h(half x, half y, thread half2& color, half z);
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half2 _skOutParamHelper0_tricky_h2hhh2h(half _var0, half _var1, thread half4& color, half _var3) {
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half2 _var2 = color.xz;
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half2 _skResult = tricky_h2hhh2h(_var0, _var1, _var2, _var3);
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color.xz = _var2;
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return _skResult;
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}
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void func_vh4(thread half4& color);
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void _skOutParamHelper1_func_vh4(thread half4& result) {
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half4 _var0 = result;
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func_vh4(_var0);
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result = _var0;
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}
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half2 tricky_h2hhh2h(half x, half y, thread half2& color, half z) {
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color = color.yx;
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return half2(x + y, z);
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}
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void func_vh4(thread half4& color) {
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half2 t = _skOutParamHelper0_tricky_h2hhh2h(1.0h, 2.0h, color, 5.0h);
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color.yw = t;
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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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half4 result = half4(0.0h, 1.0h, 2.0h, 3.0h);
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_skOutParamHelper1_func_vh4(result);
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_out.sk_FragColor = all(result == half4(2.0h, 3.0h, 0.0h, 5.0h)) ? _uniforms.colorGreen : _uniforms.colorRed;
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return _out;
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}
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