/**
* AUTO-GENERATED - DO NOT EDIT. Source: https://github.com/gpuweb/cts
**/export const description = `Test that variables in the shader are value initialized`;import { makeTestGroup } from '../../../common/framework/test_group.js';
import { AllFeaturesMaxLimitsGPUTest } from '../../gpu_test.js';
import { Type } from '../../util/conversion.js';

export const g = makeTestGroup(AllFeaturesMaxLimitsGPUTest);

function generateShader(
isF16,
addressSpace,
typeDecl,
testValue,
comparison)
{
  let moduleScope = `
    ${isF16 ? 'enable f16;' : ''}
    struct Output {
      failed : atomic<u32>
    }
    @group(0) @binding(0) var<storage, read_write> output : Output;
  `;

  let functionScope = '';
  switch (addressSpace) {
    case 'private':
      moduleScope += `\nvar<private> testVar: ${typeDecl} = ${testValue};`;
      break;
    case 'function':
      functionScope += `\nvar testVar: ${typeDecl} = ${testValue};`;
      break;
  }

  return `
    ${moduleScope}
    @compute @workgroup_size(1, 1, 1)
    fn main() {
      ${functionScope}
      ${comparison}
    }
  `;
}

async function run(t, wgsl) {
  const pipeline = await t.device.createComputePipelineAsync({
    layout: 'auto',
    compute: {
      module: t.device.createShaderModule({
        code: wgsl
      }),
      entryPoint: 'main'
    }
  });

  const resultBuffer = t.createBufferTracked({
    size: 4,
    usage: GPUBufferUsage.STORAGE | GPUBufferUsage.COPY_SRC
  });

  const bindGroup = t.device.createBindGroup({
    layout: pipeline.getBindGroupLayout(0),
    entries: [
    {
      binding: 0,
      resource: {
        buffer: resultBuffer
      }
    }]

  });

  const encoder = t.device.createCommandEncoder();
  const pass = encoder.beginComputePass();
  pass.setPipeline(pipeline);
  pass.setBindGroup(0, bindGroup);
  pass.dispatchWorkgroups(1);
  pass.end();
  t.queue.submit([encoder.finish()]);
  t.expectGPUBufferValuesEqual(resultBuffer, new Uint32Array([0]));
}

g.test('scalars').
desc(`Test that scalars in private, and function storage classes can be initialized to a value.`).
params((u) =>
u.
combine('addressSpace', ['private', 'function']).
combine('type', ['bool', 'f32', 'f16', 'i32', 'u32'])
).
fn(async (t) => {
  const typeDecl = t.params.type;
  if (typeDecl === 'f16') {
    t.skipIfDeviceDoesNotHaveFeature('shader-f16');
  }
  const testValue = Type[typeDecl].create(5).wgsl();

  const comparison = `if (testVar != ${testValue}) {
      atomicStore(&output.failed, 1u);
    }`;
  const wgsl = generateShader(
    t.params.type === 'f16',
    t.params.addressSpace,
    typeDecl,
    testValue,
    comparison
  );

  await run(t, wgsl);
});

g.test('vec').
desc(`Test that vectors in private, and function storage classes can be initialized to a value.`).
params((u) =>
u.
combine('addressSpace', ['private', 'function']).
combine('type', ['bool', 'f32', 'f16', 'i32', 'u32']).
combine('count', [2, 3, 4])
).
fn(async (t) => {
  if (t.params.type === 'f16') {
    t.skipIfDeviceDoesNotHaveFeature('shader-f16');
  }
  const typeDecl = `vec${t.params.count}<${t.params.type}>`;
  const testValue = `${typeDecl}(${Type[t.params.type].create(5).wgsl()})`;
  const comparison = `if (!all(testVar == ${testValue})) {
      atomicStore(&output.failed, 1u);
    }`;
  const wgsl = generateShader(
    t.params.type === 'f16',
    t.params.addressSpace,
    typeDecl,
    testValue,
    comparison
  );

  await run(t, wgsl);
});

g.test('mat').
desc(
  `Test that matrices in private, and function storage classes can be initialized to a value.`
).
params((u) =>
u.
combine('addressSpace', ['private', 'function']).
combine('type', ['f32', 'f16']).
beginSubcases().
combine('c', [2, 3, 4]).
combine('r', [2, 3, 4])
).
fn(async (t) => {
  if (t.params.type === 'f16') {
    t.skipIfDeviceDoesNotHaveFeature('shader-f16');
  }
  const typeDecl = `mat${t.params.c}x${t.params.r}<${t.params.type}>`;
  const testScalarValue = Type[t.params.type].create(5).wgsl();

  let testValue = `${typeDecl}(`;
  for (let c = 0; c < t.params.c; c++) {
    for (let r = 0; r < t.params.r; r++) {
      testValue += `${testScalarValue},`;
    }
  }
  testValue += ')';

  const comparison = `for ( var i = 0; i < ${t.params.c}; i++) {
      for (var k = 0; k < ${t.params.r}; k++) {
        if (testVar[i][k] != ${testScalarValue}) {
          atomicStore(&output.failed, 1u);
        }
      }
    }`;
  const wgsl = generateShader(
    t.params.type === 'f16',
    t.params.addressSpace,
    typeDecl,
    testValue,
    comparison
  );

  await run(t, wgsl);
});

g.test('array').
desc(`Test that arrays in private, and function storage classes can be initialized to a value.`).
params((u) =>
u.
combine('addressSpace', ['private', 'function']).
combine('type', ['bool', 'i32', 'u32', 'f32', 'f16'])
).
fn(async (t) => {
  if (t.params.type === 'f16') {
    t.skipIfDeviceDoesNotHaveFeature('shader-f16');
  }
  const arraySize = 4;
  const typeDecl = `array<${t.params.type}, ${arraySize}>`;

  const testScalarValue = Type[t.params.type].create(5).wgsl();

  let testValue = `${typeDecl}(`;
  for (let i = 0; i < arraySize; i++) {
    testValue += `${testScalarValue},`;
  }
  testValue += ')';

  const comparison = `for ( var i = 0; i < ${arraySize}; i++) {
      if (testVar[i] != ${testScalarValue}) {
        atomicStore(&output.failed, 1u);
      }
    }`;
  const wgsl = generateShader(
    t.params.type === 'f16',
    t.params.addressSpace,
    typeDecl,
    testValue,
    comparison
  );

  await run(t, wgsl);
});

g.test('array,nested').
desc(`Test that arrays in private, and function storage classes can be initialized to a value.`).
params((u) =>
u.
combine('addressSpace', ['private', 'function']).
combine('type', ['bool', 'i32', 'u32', 'f32', 'f16'])
).
fn(async (t) => {
  if (t.params.type === 'f16') {
    t.skipIfDeviceDoesNotHaveFeature('shader-f16');
  }
  const arraySize = 4;

  const innerDecl = `array<${t.params.type}, ${arraySize}>`;
  const typeDecl = `array<${innerDecl}, ${arraySize}>`;

  const testScalarValue = Type[t.params.type].create(5).wgsl();

  let testValue = `${typeDecl}(`;
  for (let i = 0; i < arraySize; i++) {
    testValue += `${innerDecl}(`;
    for (let j = 0; j < arraySize; j++) {
      testValue += `${testScalarValue},`;
    }
    testValue += `),`;
  }
  testValue += ')';

  const comparison = `
    for ( var i = 0; i < ${arraySize}; i++) {
      for ( var k = 0; k < ${arraySize}; k++) {
        if (testVar[i][k] != ${testScalarValue}) {
          atomicStore(&output.failed, 1u);
        }
      }
    }
    `;
  const wgsl = generateShader(
    t.params.type === 'f16',
    t.params.addressSpace,
    typeDecl,
    testValue,
    comparison
  );

  await run(t, wgsl);
});

g.test('struct').
desc(`Test that structs in private, and function storage classes can be initialized to a value.`).
params((u) => u.combine('addressSpace', ['private', 'function'])).
fn(async (t) => {
  let moduleScope = `
    struct Output {
      failed : atomic<u32>
    }
    @group(0) @binding(0) var<storage, read_write> output : Output;

    struct A {
        a: i32,
        b: f32,
    }

    struct S {
        c: f32,
        d: A,
        e: array<i32, 2>,
    }
  `;

  const typeDecl = 'S';
  const testValue = 'S(5.f, A(5i, 5.f), array<i32, 2>(5i, 5i))';

  let functionScope = '';
  switch (t.params.addressSpace) {
    case 'private':
      moduleScope += `\nvar<private> testVar: ${typeDecl} = ${testValue};`;
      break;
    case 'function':
      functionScope += `\nvar testVar: ${typeDecl} = ${testValue};`;
      break;
  }

  const comparison = `
    if (testVar.c != 5f || testVar.d.a != 5i || testVar.d.b != 5.f || testVar.e[0] != 5i || testVar.e[1] != 5i) {
      atomicStore(&output.failed, 1u);
    }
    `;

  const wgsl = `
      ${moduleScope}
      @compute @workgroup_size(1, 1, 1)
      fn main() {
        ${functionScope}
        ${comparison}
      }
    `;

  await run(t, wgsl);
});