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export const description = `
Validation tests for setVertexBuffer/setIndexBuffer state (not validation). See also operation tests.
`;
import { makeTestGroup } from '../../../../../../common/framework/test_group.js';
import { range } from '../../../../../../common/util/util.js';
import { ValidationTest } from '../../../validation_test.js';
class F extends ValidationTest {
getVertexBuffer(): GPUBuffer {
return this.device.createBuffer({
size: 256,
usage: GPUBufferUsage.VERTEX,
});
}
createRenderPipeline(bufferCount: number): GPURenderPipeline {
return this.device.createRenderPipeline({
layout: 'auto',
vertex: {
module: this.device.createShaderModule({
code: `
struct Inputs {
${range(bufferCount, i => `\n@location(${i}) a_position${i} : vec3<f32>,`).join('')}
};
@vertex fn main(input : Inputs
) -> @builtin(position) vec4<f32> {
return vec4<f32>(0.0, 0.0, 0.0, 1.0);
}`,
}),
entryPoint: 'main',
buffers: [
{
arrayStride: 3 * 4,
attributes: range(bufferCount, i => ({
format: 'float32x3',
offset: 0,
shaderLocation: i,
})),
},
],
},
fragment: {
module: this.device.createShaderModule({
code: `
@fragment fn main() -> @location(0) vec4<f32> {
return vec4<f32>(0.0, 1.0, 0.0, 1.0);
}`,
}),
entryPoint: 'main',
targets: [{ format: 'rgba8unorm' }],
},
primitive: { topology: 'triangle-list' },
});
}
beginRenderPass(commandEncoder: GPUCommandEncoder): GPURenderPassEncoder {
const attachmentTexture = this.device.createTexture({
format: 'rgba8unorm',
size: { width: 16, height: 16, depthOrArrayLayers: 1 },
usage: GPUTextureUsage.RENDER_ATTACHMENT,
});
return commandEncoder.beginRenderPass({
colorAttachments: [
{
view: attachmentTexture.createView(),
clearValue: { r: 1.0, g: 0.0, b: 0.0, a: 1.0 },
loadOp: 'clear',
storeOp: 'store',
},
],
});
}
}
export const g = makeTestGroup(F);
g.test(`all_needed_vertex_buffer_should_be_bound`)
.desc(
`
In this test we test that any missing vertex buffer for a used slot will cause validation errors when drawing.
- All (non/indexed, in/direct) draw commands
- A needed vertex buffer is not bound
- Was bound in another render pass but not the current one
`
)
.unimplemented();
g.test(`all_needed_index_buffer_should_be_bound`)
.desc(
`
In this test we test that missing index buffer for a used slot will cause validation errors when drawing.
- All indexed in/direct draw commands
- No index buffer is bound
`
)
.unimplemented();
g.test('vertex_buffers_inherit_from_previous_pipeline').fn(async t => {
const pipeline1 = t.createRenderPipeline(1);
const pipeline2 = t.createRenderPipeline(2);
const vertexBuffer1 = t.getVertexBuffer();
const vertexBuffer2 = t.getVertexBuffer();
{
// Check failure when vertex buffer is not set
const commandEncoder = t.device.createCommandEncoder();
const renderPass = t.beginRenderPass(commandEncoder);
renderPass.setPipeline(pipeline1);
renderPass.draw(3);
renderPass.end();
t.expectValidationError(() => {
commandEncoder.finish();
});
}
{
// Check success when vertex buffer is inherited from previous pipeline
const commandEncoder = t.device.createCommandEncoder();
const renderPass = t.beginRenderPass(commandEncoder);
renderPass.setPipeline(pipeline2);
renderPass.setVertexBuffer(0, vertexBuffer1);
renderPass.setVertexBuffer(1, vertexBuffer2);
renderPass.draw(3);
renderPass.setPipeline(pipeline1);
renderPass.draw(3);
renderPass.end();
commandEncoder.finish();
}
});
g.test('vertex_buffers_do_not_inherit_between_render_passes').fn(async t => {
const pipeline1 = t.createRenderPipeline(1);
const pipeline2 = t.createRenderPipeline(2);
const vertexBuffer1 = t.getVertexBuffer();
const vertexBuffer2 = t.getVertexBuffer();
{
// Check success when vertex buffer is set for each render pass
const commandEncoder = t.device.createCommandEncoder();
{
const renderPass = t.beginRenderPass(commandEncoder);
renderPass.setPipeline(pipeline2);
renderPass.setVertexBuffer(0, vertexBuffer1);
renderPass.setVertexBuffer(1, vertexBuffer2);
renderPass.draw(3);
renderPass.end();
}
{
const renderPass = t.beginRenderPass(commandEncoder);
renderPass.setPipeline(pipeline1);
renderPass.setVertexBuffer(0, vertexBuffer1);
renderPass.draw(3);
renderPass.end();
}
commandEncoder.finish();
}
{
// Check failure because vertex buffer is not inherited in second subpass
const commandEncoder = t.device.createCommandEncoder();
{
const renderPass = t.beginRenderPass(commandEncoder);
renderPass.setPipeline(pipeline2);
renderPass.setVertexBuffer(0, vertexBuffer1);
renderPass.setVertexBuffer(1, vertexBuffer2);
renderPass.draw(3);
renderPass.end();
}
{
const renderPass = t.beginRenderPass(commandEncoder);
renderPass.setPipeline(pipeline1);
renderPass.draw(3);
renderPass.end();
}
t.expectValidationError(() => {
commandEncoder.finish();
});
}
});
|
