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export const description = `
This test dedicatedly tests createRenderPipeline validation issues related to the shader modules.

Note: entry point matching tests are in ../shader_module/entry_point.spec.ts
`;

import { makeTestGroup } from '../../../../common/framework/test_group.js';
import {
  getFragmentShaderCodeWithOutput,
  kDefaultVertexShaderCode,
  kDefaultFragmentShaderCode,
} from '../../../util/shader.js';
import * as vtu from '../validation_test_utils.js';

import { CreateRenderPipelineValidationTest } from './common.js';

export const g = makeTestGroup(CreateRenderPipelineValidationTest);

const values = [0, 1, 0, 1];

g.test('device_mismatch')
  .desc(
    'Tests createRenderPipeline(Async) cannot be called with a shader module created from another device'
  )
  .paramsSubcasesOnly(u =>
    u.combine('isAsync', [true, false]).combineWithParams([
      { vertex_mismatched: false, fragment_mismatched: false, _success: true },
      { vertex_mismatched: true, fragment_mismatched: false, _success: false },
      { vertex_mismatched: false, fragment_mismatched: true, _success: false },
    ])
  )
  .beforeAllSubcases(t => t.usesMismatchedDevice())
  .fn(t => {
    const { isAsync, vertex_mismatched, fragment_mismatched, _success } = t.params;

    const code = `
      @vertex fn main() -> @builtin(position) vec4<f32> {
        return vec4<f32>(0.0, 0.0, 0.0, 1.0);
      }
    `;

    const descriptor = {
      vertex: {
        module: vertex_mismatched
          ? t.mismatchedDevice.createShaderModule({ code })
          : t.device.createShaderModule({ code }),
        entryPoint: 'main',
      },
      fragment: {
        module: fragment_mismatched
          ? t.mismatchedDevice.createShaderModule({
              code: getFragmentShaderCodeWithOutput([
                { values, plainType: 'f32', componentCount: 4 },
              ]),
            })
          : t.device.createShaderModule({
              code: getFragmentShaderCodeWithOutput([
                { values, plainType: 'f32', componentCount: 4 },
              ]),
            }),
        entryPoint: 'main',
        targets: [{ format: 'rgba8unorm' }] as const,
      },
      layout: t.getPipelineLayout(),
    };

    vtu.doCreateRenderPipelineTest(t, isAsync, _success, descriptor);
  });

g.test('invalid,vertex')
  .desc(`Tests shader module must be valid.`)
  .params(u => u.combine('isAsync', [true, false]).combine('isVertexShaderValid', [true, false]))
  .fn(t => {
    const { isAsync, isVertexShaderValid } = t.params;
    vtu.doCreateRenderPipelineTest(t, isAsync, isVertexShaderValid, {
      layout: 'auto',
      vertex: {
        module: isVertexShaderValid
          ? t.device.createShaderModule({
              code: kDefaultVertexShaderCode,
            })
          : vtu.createInvalidShaderModule(t),
        entryPoint: 'main',
      },
      // Specify a color attachment so we have at least one render target.
      fragment: {
        targets: [{ format: 'rgba8unorm' }],
        module: t.device.createShaderModule({
          code: `@fragment fn main() -> @location(0) vec4f { return vec4f(0); }`,
        }),
      },
    });
  });

g.test('invalid,fragment')
  .desc(`Tests shader module must be valid.`)
  .params(u => u.combine('isAsync', [true, false]).combine('isFragmentShaderValid', [true, false]))
  .fn(t => {
    const { isAsync, isFragmentShaderValid } = t.params;
    vtu.doCreateRenderPipelineTest(t, isAsync, isFragmentShaderValid, {
      layout: 'auto',
      vertex: {
        module: t.device.createShaderModule({
          code: kDefaultVertexShaderCode,
        }),
        entryPoint: 'main',
      },
      fragment: {
        module: isFragmentShaderValid
          ? t.device.createShaderModule({
              code: kDefaultFragmentShaderCode,
            })
          : vtu.createInvalidShaderModule(t),
        entryPoint: 'main',
        targets: [{ format: 'rgba8unorm' }],
      },
    });
  });