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>
84 lines
2.6 KiB
Metal
84 lines
2.6 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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template <typename T1, typename T2, size_t N>
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bool operator==(thread const array<T1, N>& left, thread const array<T2, N>& right);
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template <typename T1, typename T2, size_t N>
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bool operator!=(thread const array<T1, N>& left, thread const array<T2, N>& right);
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template <size_t N>
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array<int, N> array_of_int_from_short(thread const array<short, N>& x) {
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array<int, N> result;
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for (int i = 0; i < N; ++i) {
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result[i] = int(x[i]);
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}
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return result;
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}
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template <size_t N>
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array<short, N> array_of_short_from_int(thread const array<int, N>& x) {
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array<short, N> result;
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for (int i = 0; i < N; ++i) {
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result[i] = short(x[i]);
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}
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return result;
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}
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template <size_t N>
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array<float, N> array_of_float_from_half(thread const array<half, N>& x) {
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array<float, N> result;
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for (int i = 0; i < N; ++i) {
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result[i] = float(x[i]);
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}
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return result;
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}
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template <size_t N>
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array<half, N> array_of_half_from_float(thread const array<float, N>& x) {
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array<half, N> result;
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for (int i = 0; i < N; ++i) {
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result[i] = half(x[i]);
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}
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return result;
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}
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template <typename T1, typename T2, size_t N>
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bool operator==(thread const array<T1, N>& left, thread const array<T2, N>& right) {
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for (size_t index = 0; index < N; ++index) {
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if (!all(left[index] == right[index])) {
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return false;
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}
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}
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return true;
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}
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template <typename T1, typename T2, size_t N>
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bool operator!=(thread const array<T1, N>& left, thread const array<T2, N>& right) {
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return !(left == right);
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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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array<int, 2> i2 = array<int, 2>{1, 2};
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array<short, 2> s2 = array<short, 2>{1, 2};
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array<float, 2> f2 = array<float, 2>{1.0, 2.0};
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array<half, 2> h2 = array<half, 2>{1.0h, 2.0h};
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i2 = array_of_int_from_short(s2);
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s2 = array_of_short_from_int(i2);
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f2 = array_of_float_from_half(h2);
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h2 = array_of_half_from_float(f2);
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const array<float, 2> cf2 = array<float, 2>{1.0, 2.0};
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_out.sk_FragColor = ((i2 == array_of_int_from_short(s2) && f2 == array_of_float_from_half(h2)) && i2 == array<int, 2>{1, 2}) && array_of_float_from_half(h2) == cf2 ? _uniforms.colorGreen : _uniforms.colorRed;
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return _out;
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}
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