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>
67 lines
2.8 KiB
Metal
67 lines
2.8 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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thread bool operator==(const half2x4 left, const half2x4 right);
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thread bool operator!=(const half2x4 left, const half2x4 right);
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thread bool operator==(const half4x2 left, const half4x2 right);
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thread bool operator!=(const half4x2 left, const half4x2 right);
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thread bool operator==(const float4x3 left, const float4x3 right);
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thread bool operator!=(const float4x3 left, const float4x3 right);
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template <typename T, int C, int R>
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matrix<T, C, R> matrixCompMult(matrix<T, C, R> a, const matrix<T, C, R> b) {
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for (int c = 0; c < C; ++c) {
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a[c] *= b[c];
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}
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return a;
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}
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half4x2 half4x2_from_half4_half4(half4 x0, half4 x1) {
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return half4x2(half2(x0.xy), half2(x0.zw), half2(x1.xy), half2(x1.zw));
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}
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thread bool operator==(const half2x4 left, const half2x4 right) {
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return all(left[0] == right[0]) &&
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all(left[1] == right[1]);
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}
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thread bool operator!=(const half2x4 left, const half2x4 right) {
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return !(left == right);
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}
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thread bool operator==(const half4x2 left, const half4x2 right) {
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return all(left[0] == right[0]) &&
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all(left[1] == right[1]) &&
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all(left[2] == right[2]) &&
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all(left[3] == right[3]);
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}
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thread bool operator!=(const half4x2 left, const half4x2 right) {
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return !(left == right);
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}
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thread bool operator==(const float4x3 left, const float4x3 right) {
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return all(left[0] == right[0]) &&
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all(left[1] == right[1]) &&
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all(left[2] == right[2]) &&
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all(left[3] == right[3]);
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}
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thread bool operator!=(const float4x3 left, const float4x3 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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half2x4 h24 = matrixCompMult(half2x4(half4(9.0h, 9.0h, 9.0h, 9.0h), half4(9.0h, 9.0h, 9.0h, 9.0h)), half2x4(_uniforms.colorRed, _uniforms.colorGreen));
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half4x2 h42 = matrixCompMult(half4x2(half2(1.0h, 2.0h), half2(3.0h, 4.0h), half2(5.0h, 6.0h), half2(7.0h, 8.0h)), half4x2_from_half4_half4(_uniforms.colorRed, _uniforms.colorGreen));
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float4x3 f43 = float4x3(float3(12.0, 22.0, 30.0), float3(36.0, 40.0, 42.0), float3(42.0, 40.0, 36.0), float3(30.0, 22.0, 12.0));
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_out.sk_FragColor = (h24 == half2x4(half4(9.0h, 0.0h, 0.0h, 9.0h), half4(0.0h, 9.0h, 0.0h, 9.0h)) && h42 == half4x2(half2(1.0h, 0.0h), half2(0.0h, 4.0h), half2(0.0h, 6.0h), half2(0.0h, 8.0h))) && f43 == float4x3(float3(12.0, 22.0, 30.0), float3(36.0, 40.0, 42.0), float3(42.0, 40.0, 36.0), float3(30.0, 22.0, 12.0)) ? _uniforms.colorGreen : _uniforms.colorRed;
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return _out;
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}
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