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>
55 lines
1.7 KiB
Metal
55 lines
1.7 KiB
Metal
#include <metal_stdlib>
|
|
#include <simd/simd.h>
|
|
using namespace metal;
|
|
struct Uniforms {
|
|
half4 colorGreen;
|
|
half4 colorRed;
|
|
};
|
|
struct Inputs {
|
|
};
|
|
struct Outputs {
|
|
half4 sk_FragColor [[color(0)]];
|
|
};
|
|
float _skOutParamHelper0_frexp(float _var0, thread int4& exp) {
|
|
int _var1;
|
|
float _skResult = frexp(_var0, _var1);
|
|
exp.x = _var1;
|
|
return _skResult;
|
|
}
|
|
float2 _skOutParamHelper1_frexp(float2 _var0, thread int4& exp) {
|
|
int2 _var1;
|
|
float2 _skResult = frexp(_var0, _var1);
|
|
exp.xy = _var1;
|
|
return _skResult;
|
|
}
|
|
float3 _skOutParamHelper2_frexp(float3 _var0, thread int4& exp) {
|
|
int3 _var1;
|
|
float3 _skResult = frexp(_var0, _var1);
|
|
exp.xyz = _var1;
|
|
return _skResult;
|
|
}
|
|
float4 _skOutParamHelper3_frexp(float4 _var0, thread int4& exp) {
|
|
int4 _var1;
|
|
float4 _skResult = frexp(_var0, _var1);
|
|
exp = _var1;
|
|
return _skResult;
|
|
}
|
|
fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
|
|
Outputs _out;
|
|
(void)_out;
|
|
float4 value = float4(_uniforms.colorGreen.yyyy * 6.0h);
|
|
int4 exp;
|
|
float4 result;
|
|
bool4 ok;
|
|
result.x = _skOutParamHelper0_frexp(value.x, exp);
|
|
ok.x = result.x == 0.75 && exp.x == 3;
|
|
result.xy = _skOutParamHelper1_frexp(value.xy, exp);
|
|
ok.y = result.y == 0.75 && exp.y == 3;
|
|
result.xyz = _skOutParamHelper2_frexp(value.xyz, exp);
|
|
ok.z = result.z == 0.75 && exp.z == 3;
|
|
result = _skOutParamHelper3_frexp(value, exp);
|
|
ok.w = result.w == 0.75 && exp.w == 3;
|
|
_out.sk_FragColor = all(ok) ? _uniforms.colorGreen : _uniforms.colorRed;
|
|
return _out;
|
|
}
|