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 */ float el;
/* 0x0004 */ int8_t tint_pad[12];
};
struct tint_array_wrapper {
/* 0x0000 */ tint_padded_array_element arr[2];
};
struct buf1 {
/* 0x0000 */ tint_array_wrapper x_GLF_uniform_float_values;
};
struct tint_padded_array_element_1 {
/* 0x0000 */ int el;
/* 0x0004 */ int8_t tint_pad_1[12];
};
struct tint_array_wrapper_1 {
/* 0x0000 */ tint_padded_array_element_1 arr[4];
};
struct buf0 {
/* 0x0000 */ tint_array_wrapper_1 x_GLF_uniform_int_values;
};
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_10, thread float4* const tint_symbol_5, thread float4* const tint_symbol_6) {
float2x3 m23 = float2x3(0.0f);
int i = 0;
float const x_46 = x_7.x_GLF_uniform_float_values.arr[1].el;
m23 = float2x3(float3(x_46, 0.0f, 0.0f), float3(0.0f, x_46, 0.0f));
i = 1;
while (true) {
bool x_80 = false;
bool x_81_phi = false;
int const x_54 = i;
int const x_56 = x_10.x_GLF_uniform_int_values.arr[3].el;
if ((x_54 < x_56)) {
} else {
break;
}
int const x_60 = x_10.x_GLF_uniform_int_values.arr[0].el;
int const x_62 = x_10.x_GLF_uniform_int_values.arr[2].el;
float const x_64 = x_7.x_GLF_uniform_float_values.arr[0].el;
float const x_66 = m23[x_60][x_62];
m23[x_60][x_62] = (x_66 + x_64);
float const x_70 = (*(tint_symbol_5)).y;
float const x_72 = x_7.x_GLF_uniform_float_values.arr[0].el;
if ((x_70 < x_72)) {
}
x_81_phi = true;
if (true) {
float const x_79 = (*(tint_symbol_5)).x;
x_80 = (x_79 < 0.0f);
x_81_phi = x_80;
}
bool const x_81 = x_81_phi;
if (!(x_81)) {
break;
}
{
int const x_85 = i;
i = (x_85 + 1);
}
}
float2x3 const x_87 = m23;
int const x_89 = x_10.x_GLF_uniform_int_values.arr[1].el;
int const x_92 = x_10.x_GLF_uniform_int_values.arr[1].el;
int const x_95 = x_10.x_GLF_uniform_int_values.arr[1].el;
int const x_98 = x_10.x_GLF_uniform_int_values.arr[1].el;
int const x_101 = x_10.x_GLF_uniform_int_values.arr[1].el;
int const x_104 = x_10.x_GLF_uniform_int_values.arr[0].el;
float2x3 const x_108 = float2x3(float3(float(x_89), float(x_92), float(x_95)), float3(float(x_98), float(x_101), float(x_104)));
if ((all((x_87[0u] == x_108[0u])) && all((x_87[1u] == x_108[1u])))) {
int const x_122 = x_10.x_GLF_uniform_int_values.arr[0].el;
int const x_125 = x_10.x_GLF_uniform_int_values.arr[1].el;
int const x_128 = x_10.x_GLF_uniform_int_values.arr[1].el;
int const x_131 = x_10.x_GLF_uniform_int_values.arr[0].el;
*(tint_symbol_6) = float4(float(x_122), float(x_125), float(x_128), float(x_131));
} else {
int const x_135 = x_10.x_GLF_uniform_int_values.arr[1].el;
float const x_136 = float(x_135);
*(tint_symbol_6) = float4(x_136, x_136, x_136, x_136);
}
return;
}
fragment tint_symbol_2 tint_symbol(float4 gl_FragCoord_param [[position]], constant buf1& x_7 [[buffer(1)]], constant buf0& x_10 [[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_10, &(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;
}