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// Copyright 2020 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "tests/unittests/validation/ValidationTest.h"
#include "tests/MockCallback.h"
#include "utils/ComboRenderBundleEncoderDescriptor.h"
#include "utils/ComboRenderPipelineDescriptor.h"
#include "utils/WGPUHelpers.h"
class UnsafeAPIValidationTest : public ValidationTest {
protected:
WGPUDevice CreateTestDevice() override {
dawn_native::DeviceDescriptor descriptor;
descriptor.forceEnabledToggles.push_back("disallow_unsafe_apis");
return adapter.CreateDevice(&descriptor);
}
};
// Check that DispatchIndirect is disallowed as part of unsafe APIs.
TEST_F(UnsafeAPIValidationTest, DispatchIndirectDisallowed) {
// Create the index and indirect buffers.
wgpu::BufferDescriptor indirectBufferDesc;
indirectBufferDesc.size = 64;
indirectBufferDesc.usage = wgpu::BufferUsage::Indirect;
wgpu::Buffer indirectBuffer = device.CreateBuffer(&indirectBufferDesc);
// Create the dummy compute pipeline.
wgpu::ComputePipelineDescriptor pipelineDesc;
pipelineDesc.compute.entryPoint = "main";
pipelineDesc.compute.module =
utils::CreateShaderModule(device, "[[stage(compute), workgroup_size(1)]] fn main() {}");
wgpu::ComputePipeline pipeline = device.CreateComputePipeline(&pipelineDesc);
// Control case: dispatch is allowed.
{
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
wgpu::ComputePassEncoder pass = encoder.BeginComputePass();
pass.SetPipeline(pipeline);
pass.Dispatch(1, 1, 1);
pass.EndPass();
encoder.Finish();
}
// Error case: dispatch indirect is disallowed.
{
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
wgpu::ComputePassEncoder pass = encoder.BeginComputePass();
pass.SetPipeline(pipeline);
pass.DispatchIndirect(indirectBuffer, 0);
pass.EndPass();
ASSERT_DEVICE_ERROR(encoder.Finish());
}
}
// Check that dynamic storage buffers are disallowed.
TEST_F(UnsafeAPIValidationTest, DynamicStorageBuffer) {
wgpu::BindGroupLayoutEntry entry;
entry.visibility = wgpu::ShaderStage::Fragment;
wgpu::BindGroupLayoutDescriptor desc;
desc.entries = &entry;
desc.entryCount = 1;
// Control case: storage buffer without a dynamic offset is allowed.
{
entry.buffer.type = wgpu::BufferBindingType::Storage;
entry.buffer.hasDynamicOffset = false;
device.CreateBindGroupLayout(&desc);
}
// Control case: readonly storage buffer without a dynamic offset is allowed.
{
entry.buffer.type = wgpu::BufferBindingType::ReadOnlyStorage;
entry.buffer.hasDynamicOffset = false;
device.CreateBindGroupLayout(&desc);
}
// Storage buffer with a dynamic offset is disallowed.
{
entry.buffer.type = wgpu::BufferBindingType::Storage;
entry.buffer.hasDynamicOffset = true;
ASSERT_DEVICE_ERROR(device.CreateBindGroupLayout(&desc));
}
// Readonly storage buffer with a dynamic offset is disallowed.
{
entry.buffer.type = wgpu::BufferBindingType::ReadOnlyStorage;
entry.buffer.hasDynamicOffset = true;
ASSERT_DEVICE_ERROR(device.CreateBindGroupLayout(&desc));
}
}
// Check that pipeline overridable constants are disallowed as part of unsafe APIs.
// TODO(dawn:1041) Remove when implementation for all backend is added
TEST_F(UnsafeAPIValidationTest, PipelineOverridableConstants) {
// Create the dummy compute pipeline.
wgpu::ComputePipelineDescriptor pipelineDescBase;
pipelineDescBase.compute.entryPoint = "main";
// Control case: shader without overridable constant is allowed.
{
wgpu::ComputePipelineDescriptor pipelineDesc = pipelineDescBase;
pipelineDesc.compute.module =
utils::CreateShaderModule(device, "[[stage(compute), workgroup_size(1)]] fn main() {}");
device.CreateComputePipeline(&pipelineDesc);
}
// Error case: shader with overridable constant with default value
{
ASSERT_DEVICE_ERROR(utils::CreateShaderModule(device, R"(
[[override(1000)]] let c0: u32 = 1u;
[[override(1000)]] let c1: u32;
[[stage(compute), workgroup_size(1)]] fn main() {
_ = c0;
_ = c1;
})"));
}
// Error case: pipeline stage with constant entry is disallowed
{
wgpu::ComputePipelineDescriptor pipelineDesc = pipelineDescBase;
pipelineDesc.compute.module =
utils::CreateShaderModule(device, "[[stage(compute), workgroup_size(1)]] fn main() {}");
std::vector<wgpu::ConstantEntry> constants{{nullptr, "c", 1u}};
pipelineDesc.compute.constants = constants.data();
pipelineDesc.compute.constantCount = constants.size();
ASSERT_DEVICE_ERROR(device.CreateComputePipeline(&pipelineDesc));
}
}
class UnsafeQueryAPIValidationTest : public ValidationTest {
protected:
WGPUDevice CreateTestDevice() override {
dawn_native::DeviceDescriptor descriptor;
descriptor.requiredFeatures.push_back("pipeline-statistics-query");
descriptor.requiredFeatures.push_back("timestamp-query");
descriptor.forceEnabledToggles.push_back("disallow_unsafe_apis");
return adapter.CreateDevice(&descriptor);
}
};
// Check that pipeline statistics query are disallowed.
TEST_F(UnsafeQueryAPIValidationTest, PipelineStatisticsDisallowed) {
wgpu::QuerySetDescriptor descriptor;
descriptor.count = 1;
// Control case: occlusion query creation is allowed.
{
descriptor.type = wgpu::QueryType::Occlusion;
device.CreateQuerySet(&descriptor);
}
// Error case: pipeline statistics query creation is disallowed.
{
descriptor.type = wgpu::QueryType::PipelineStatistics;
std::vector<wgpu::PipelineStatisticName> pipelineStatistics = {
wgpu::PipelineStatisticName::VertexShaderInvocations};
descriptor.pipelineStatistics = pipelineStatistics.data();
descriptor.pipelineStatisticsCount = pipelineStatistics.size();
ASSERT_DEVICE_ERROR(device.CreateQuerySet(&descriptor));
}
}
// Check timestamp queries are disallowed.
TEST_F(UnsafeQueryAPIValidationTest, TimestampQueryDisallowed) {
wgpu::QuerySetDescriptor descriptor;
descriptor.count = 1;
// Control case: occlusion query creation is allowed.
{
descriptor.type = wgpu::QueryType::Occlusion;
device.CreateQuerySet(&descriptor);
}
// Error case: timestamp query creation is disallowed.
{
descriptor.type = wgpu::QueryType::Timestamp;
ASSERT_DEVICE_ERROR(device.CreateQuerySet(&descriptor));
}
}