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 tint_padded_array_element {
/* 0x0000 */ int el;
/* 0x0004 */ int8_t tint_pad[12];
};
struct tint_array_wrapper {
/* 0x0000 */ tint_padded_array_element arr[3];
};
struct buf1 {
/* 0x0000 */ tint_array_wrapper x_GLF_uniform_int_values;
};
struct tint_padded_array_element_1 {
/* 0x0000 */ float el;
/* 0x0004 */ int8_t tint_pad_1[12];
};
struct tint_array_wrapper_1 {
/* 0x0000 */ tint_padded_array_element_1 arr[1];
};
struct buf0 {
/* 0x0000 */ tint_array_wrapper_1 x_GLF_uniform_float_values;
};
struct tint_array_wrapper_2 {
int arr[2];
};
struct main_out {
float4 x_GLF_color_1;
};
struct tint_symbol_2 {
float4 x_GLF_color_1 [[color(0)]];
};
void main_1(constant buf1& x_7, constant buf0& x_11, thread float4* const tint_symbol_5, thread float4* const tint_symbol_6) {
int i = 0;
tint_array_wrapper_2 arr = {};
int a = 0;
int const x_40 = x_7.x_GLF_uniform_int_values.arr[0].el;
i = x_40;
while (true) {
int const x_45 = i;
int const x_47 = x_7.x_GLF_uniform_int_values.arr[2].el;
if ((x_45 < x_47)) {
} else {
break;
}
int const x_50 = i;
int const x_52 = x_7.x_GLF_uniform_int_values.arr[0].el;
arr.arr[x_50] = x_52;
{
int const x_54 = i;
i = (x_54 + 1);
}
}
a = -1;
float const x_57 = (*(tint_symbol_5)).y;
float const x_59 = x_11.x_GLF_uniform_float_values.arr[0].el;
if (!((x_57 < x_59))) {
int const x_64 = a;
int const x_65 = (x_64 + 1);
a = x_65;
int const x_67 = x_7.x_GLF_uniform_int_values.arr[1].el;
arr.arr[x_65] = x_67;
}
int const x_69 = a;
int const x_70 = (x_69 + 1);
a = x_70;
int const x_72 = x_7.x_GLF_uniform_int_values.arr[2].el;
arr.arr[x_70] = x_72;
int const x_75 = x_7.x_GLF_uniform_int_values.arr[0].el;
int const x_77 = arr.arr[x_75];
int const x_79 = x_7.x_GLF_uniform_int_values.arr[1].el;
if ((x_77 == x_79)) {
int const x_84 = a;
int const x_87 = x_7.x_GLF_uniform_int_values.arr[0].el;
int const x_90 = x_7.x_GLF_uniform_int_values.arr[0].el;
int const x_92 = a;
*(tint_symbol_6) = float4(float(x_84), float(x_87), float(x_90), float(x_92));
} else {
int const x_96 = x_7.x_GLF_uniform_int_values.arr[0].el;
float const x_97 = float(x_96);
*(tint_symbol_6) = float4(x_97, x_97, x_97, x_97);
}
return;
}
fragment tint_symbol_2 tint_symbol(float4 gl_FragCoord_param [[position]], constant buf1& x_7 [[buffer(1)]], constant buf0& x_11 [[buffer(0)]]) {
thread float4 tint_symbol_7 = 0.0f;
thread float4 tint_symbol_8 = 0.0f;
tint_symbol_7 = gl_FragCoord_param;
main_1(x_7, x_11, &(tint_symbol_7), &(tint_symbol_8));
main_out const tint_symbol_3 = {.x_GLF_color_1=tint_symbol_8};
tint_symbol_2 const tint_symbol_4 = {.x_GLF_color_1=tint_symbol_3.x_GLF_color_1};
return tint_symbol_4;
}