[Webkit-unassigned] [Bug 250169] Shader not working on Safari

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=250169

--- Comment #3 from Karl Dubost <karlcow at apple.com> ---
The error message in Chrome is 

[.WebGL-0x1200324d500] GL_INVALID_OPERATION: Error: 0x00000502, in ../../third_party/angle/src/libANGLE/renderer/metal/ProgramMtl.mm, createMslShaderLib:673. Internal error compiling shader with Metal backend.
program_source:1771:16: error: no matching function for call to 'ANGLE_inout'
        _uswap(ANGLE_inout(ANGLE_elem_ref(_urnd3, 0)), ANGLE_inout(ANGLE_elem_ref(_urnd3, 1)));
               ^~~~~~~~~~~
program_source:301:36: note: candidate function [with T = ANGLE_VectorElemRef<float, 3>] not viable: expects an l-value for 1st argument
ANGLE_ALWAYS_INLINE ANGLE_InOut<T> ANGLE_inout(thread T &dest)
                                   ^
program_source:1771:56: error: no matching function for call to 'ANGLE_inout'
        _uswap(ANGLE_inout(ANGLE_elem_ref(_urnd3, 0)), ANGLE_inout(ANGLE_elem_ref(_urnd3, 1)));
                                                       ^~~~~~~~~~~
program_source:301:36: note: candidate function [with T = ANGLE_VectorElemRef<float, 3>] not viable: expects an l-value for 1st argument
ANGLE_ALWAYS_INLINE ANGLE_InOut<T> ANGLE_inout(thread T &dest)
                                   ^
program_source:1777:16: error: no matching function for call to 'ANGLE_inout'
        _uswap(ANGLE_inout(ANGLE_elem_ref(_urnd3, 0)), ANGLE_inout(ANGLE_elem_ref(_urnd3, 2)));
               ^~~~~~~~~~~
program_source:301:36: note: candidate function [with T = ANGLE_VectorElemRef<float, 3>] not viable: expects an l-value for 1st argument
ANGLE_ALWAYS_INLINE ANGLE_InOut<T> ANGLE_inout(thread T &dest)
                                   ^
program_source:1777:56: error: no matching function for call to 'ANGLE_inout'
        _uswap(ANGLE_inout(ANGLE_elem_ref(_urnd3, 0)), ANGLE_inout(ANGLE_elem_ref(_urnd3, 2)));
                                                       ^~~~~~~~~~~
program_source:301:36: note: candidate function [with T = ANGLE_VectorElemRef<float, 3>] not viable: expects an l-value for 1st argument
ANGLE_ALWAYS_INLINE ANGLE_InOut<T> ANGLE_inout(thread T &dest)
                                   ^
program_source:1783:16: error: no matching function for call to 'ANGLE_inout'
        _uswap(ANGLE_inout(ANGLE_elem_ref(_urnd3, 1)), ANGLE_inout(ANGLE_elem_ref(_urnd3, 2)));
               ^~~~~~~~~~~
program_source:301:36: note: candidate function [with T = ANGLE_VectorElemRef<float, 3>] not viable: expects an l-value for 1st argument
ANGLE_ALWAYS_INLINE ANGLE_InOut<T> ANGLE_inout(thread T &dest)
                                   ^

and … going on…


and in Safari

[Log] WebGL (2.0=true): Asynch Compile: yes, Textures: F32 [yes], F16 [yes], Depth [yes], LOD [yes], Aniso [yes], Units [16], Max Size [16384], Cube Max Size [16384], Targets: MRT [yes], F32 [yes], Max Size [16384] (7ldfzS, line 2574)
[Log] WARNING: This browser doesn't support ResizeObserver + device-pixel-content-box (1) (7ldfzS, line 19710)

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