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[3];
};
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[3];
};
struct buf0 {
/* 0x0000 */ tint_array_wrapper_1 x_GLF_uniform_int_values;
};
struct tint_array_wrapper_2 {
float arr[3];
};
struct main_out {
float4 x_GLF_color_1;
};
struct tint_symbol_1 {
float4 x_GLF_color_1 [[color(0)]];
};
void main_1(constant buf1& x_6, constant buf0& x_9, thread float4* const tint_symbol_5) {
tint_array_wrapper_2 arr = {};
int a = 0;
bool x_69 = false;
bool x_79 = false;
bool x_70_phi = false;
bool x_80_phi = false;
float const x_34 = x_6.x_GLF_uniform_float_values.arr[1].el;
float const x_36 = x_6.x_GLF_uniform_float_values.arr[0].el;
float const x_38 = x_6.x_GLF_uniform_float_values.arr[2].el;
tint_array_wrapper_2 const tint_symbol_3 = {.arr={x_34, x_36, x_38}};
arr = tint_symbol_3;
a = 0;
while (true) {
int const x_44 = a;
int const x_46 = x_9.x_GLF_uniform_int_values.arr[1].el;
if ((x_44 <= x_46)) {
} else {
break;
}
int const x_49 = a;
a = (x_49 + 1);
float const x_52 = x_6.x_GLF_uniform_float_values.arr[0].el;
arr.arr[x_49] = x_52;
}
int const x_55 = x_9.x_GLF_uniform_int_values.arr[1].el;
float const x_57 = arr.arr[x_55];
float const x_59 = x_6.x_GLF_uniform_float_values.arr[0].el;
bool const x_60 = (x_57 == x_59);
x_70_phi = x_60;
if (x_60) {
int const x_64 = x_9.x_GLF_uniform_int_values.arr[2].el;
float const x_66 = arr.arr[x_64];
float const x_68 = x_6.x_GLF_uniform_float_values.arr[0].el;
x_69 = (x_66 == x_68);
x_70_phi = x_69;
}
bool const x_70 = x_70_phi;
x_80_phi = x_70;
if (x_70) {
int const x_74 = x_9.x_GLF_uniform_int_values.arr[0].el;
float const x_76 = arr.arr[x_74];
float const x_78 = x_6.x_GLF_uniform_float_values.arr[2].el;
x_79 = (x_76 == x_78);
x_80_phi = x_79;
}
bool const x_80 = x_80_phi;
if (x_80) {
int const x_85 = x_9.x_GLF_uniform_int_values.arr[1].el;
float const x_87 = arr.arr[x_85];
float const x_89 = x_6.x_GLF_uniform_float_values.arr[1].el;
float const x_91 = x_6.x_GLF_uniform_float_values.arr[1].el;
float const x_93 = x_6.x_GLF_uniform_float_values.arr[0].el;
*(tint_symbol_5) = float4(x_87, x_89, x_91, x_93);
} else {
float const x_96 = x_6.x_GLF_uniform_float_values.arr[1].el;
*(tint_symbol_5) = float4(x_96, x_96, x_96, x_96);
}
return;
}
fragment tint_symbol_1 tint_symbol(constant buf1& x_6 [[buffer(1)]], constant buf0& x_9 [[buffer(0)]]) {
thread float4 tint_symbol_6 = 0.0f;
main_1(x_6, x_9, &(tint_symbol_6));
main_out const tint_symbol_2 = {.x_GLF_color_1=tint_symbol_6};
tint_symbol_1 const tint_symbol_4 = {.x_GLF_color_1=tint_symbol_2.x_GLF_color_1};
return tint_symbol_4;
}