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 f1;
float2x2 f2;
};
struct main_out {
float4 x_GLF_color_1;
};
struct tint_symbol_2 {
float4 x_GLF_color_1 [[color(0)]];
};
void main_1(thread float4* const tint_symbol_5, thread float4* const tint_symbol_6) {
float2x2 x_41 = float2x2(0.0f);
int x_6 = 0;
float2x2 x_42 = float2x2(0.0f);
float2x2 x_49_phi = float2x2(0.0f);
float const x_44 = (*(tint_symbol_5)).x;
if ((x_44 < 0.0f)) {
x_42 = float2x2(float2(1.0f, 2.0f), float2(3.0f, 4.0f));
x_49_phi = float2x2(float2(1.0f, 2.0f), float2(3.0f, 4.0f));
} else {
x_42 = float2x2(float2(0.5f, -0.5f), float2(-0.5f, 0.5f));
x_49_phi = float2x2(float2(0.5f, -0.5f), float2(-0.5f, 0.5f));
}
float2x2 const x_49 = x_49_phi;
S const x_51 = {.f1=1, .f2=transpose(x_49)};
int const x_52 = x_51.f1;
x_6 = x_52;
x_41 = x_51.f2;
float2x2 const x_56 = x_41;
float2x2 const x_59 = x_41;
float2x2 const x_63 = x_41;
float2x2 const x_66 = x_41;
*(tint_symbol_6) = float4(float(x_52), (x_56[0u].x + x_59[1u].x), (x_63[0u].y + x_66[1u].y), float(x_52));
return;
}
fragment tint_symbol_2 tint_symbol(float4 gl_FragCoord_param [[position]]) {
thread float4 tint_symbol_7 = 0.0f;
thread float4 tint_symbol_8 = 0.0f;
tint_symbol_7 = gl_FragCoord_param;
main_1(&(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;
}