Alastair Donaldson f7e73d4ee3 Add tests derived from VK-GL-CTS
This adds SPIR-V assembly and WGSL tests derived from VK-GL-CTS commit
571256871c2e2f03995373e1e4a02958d8cd8cf5. The following procedure was
followed:

- Those .amber files in VK-GL-CTS wholly owned by Google were
  identified

- All GLSL and SPIR-V shaders were extracted from the Amber files and
  converted into SPIR-V binaries

- The compact-ids pass of spirv-opt was applied to each binary

- Duplicate binaries were removed

- spirv-opt -O was used to obtain an optimized version of each remaining
  binary, with duplicates discarded

- Binaries that failed validation using spirv-val with target
  environment SPIR-V 1.3 were discarded

- Those binaries that tint could not successfully convert into WGSL were
  put aside for further investigation

- SPIR-V assembly versions of the remaining binaries are included in
  this CL

- test-runner with -generate-expected and -generate-skip was used to
  generate expected .spvasm, .msl, .hlsl and .wgsl outputs for these
  SPIR-V assembly tests

- Each successfully-generated .expected.wgsl is included in this CL
  again, as a WGLSL test

- test-runner with -generate-expected and -generate-skip was used again,
  to generate expected outputs for these WGSL tests

Change-Id: Ibe9baf2729cf97e0b633db9a426f53362a5de540
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/58842
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
2021-07-23 13:10:12 +00:00

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#include <metal_stdlib>
using namespace metal;
struct S {
int a;
int b;
int c;
};
struct tint_padded_array_element {
/* 0x0000 */ int el;
/* 0x0004 */ int8_t tint_pad[12];
};
struct tint_array_wrapper {
/* 0x0000 */ tint_padded_array_element arr[2];
};
struct buf0 {
/* 0x0000 */ tint_array_wrapper x_GLF_uniform_int_values;
};
struct tint_array_wrapper_1 {
S arr[2];
};
struct main_out {
float4 x_GLF_color_1;
};
struct tint_symbol_1 {
float4 x_GLF_color_1 [[color(0)]];
};
void main_1(constant buf0& x_7, thread float4* const tint_symbol_6) {
tint_array_wrapper_1 A = {};
int const x_29 = x_7.x_GLF_uniform_int_values.arr[1].el;
int const x_31 = x_7.x_GLF_uniform_int_values.arr[1].el;
int const x_33 = x_7.x_GLF_uniform_int_values.arr[1].el;
int const x_35 = x_7.x_GLF_uniform_int_values.arr[1].el;
S const tint_symbol_3 = {.a=x_31, .b=x_33, .c=x_35};
A.arr[x_29] = tint_symbol_3;
int const x_39 = x_7.x_GLF_uniform_int_values.arr[0].el;
int const x_41 = x_7.x_GLF_uniform_int_values.arr[1].el;
int const x_43 = x_7.x_GLF_uniform_int_values.arr[1].el;
int const x_45 = x_7.x_GLF_uniform_int_values.arr[1].el;
S const tint_symbol_4 = {.a=x_41, .b=x_43, .c=x_45};
A.arr[x_39] = tint_symbol_4;
int const x_49 = x_7.x_GLF_uniform_int_values.arr[1].el;
int const x_51 = A.arr[x_49].b;
int const x_53 = x_7.x_GLF_uniform_int_values.arr[1].el;
if ((x_51 == x_53)) {
int const x_58 = x_7.x_GLF_uniform_int_values.arr[1].el;
int const x_61 = x_7.x_GLF_uniform_int_values.arr[0].el;
A.arr[clamp(x_58, 1, 2)].b = x_61;
}
int const x_64 = x_7.x_GLF_uniform_int_values.arr[0].el;
int const x_66 = A.arr[x_64].b;
int const x_68 = x_7.x_GLF_uniform_int_values.arr[0].el;
if ((x_66 == x_68)) {
int const x_74 = x_7.x_GLF_uniform_int_values.arr[0].el;
int const x_77 = x_7.x_GLF_uniform_int_values.arr[1].el;
int const x_80 = x_7.x_GLF_uniform_int_values.arr[1].el;
int const x_83 = x_7.x_GLF_uniform_int_values.arr[0].el;
*(tint_symbol_6) = float4(float(x_74), float(x_77), float(x_80), float(x_83));
} else {
int const x_87 = x_7.x_GLF_uniform_int_values.arr[0].el;
float const x_88 = float(x_87);
*(tint_symbol_6) = float4(x_88, x_88, x_88, x_88);
}
return;
}
fragment tint_symbol_1 tint_symbol(constant buf0& x_7 [[buffer(0)]]) {
thread float4 tint_symbol_7 = 0.0f;
main_1(x_7, &(tint_symbol_7));
main_out const tint_symbol_2 = {.x_GLF_color_1=tint_symbol_7};
tint_symbol_1 const tint_symbol_5 = {.x_GLF_color_1=tint_symbol_2.x_GLF_color_1};
return tint_symbol_5;
}