src/dawn/tests/unittests/wire/WireArgumentTests.cpp - dawn - Git at Google

 // Copyright 2019 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 <array>
 #include <string>

 #include "dawn/common/Constants.h"
 #include "dawn/tests/unittests/wire/WireTest.h"

 namespace dawn::wire {

 using testing::_;
 using testing::Return;
 using testing::Sequence;

 class WireArgumentTests : public WireTest {
   public:
     WireArgumentTests() {}
     ~WireArgumentTests() override = default;
 };

 // Test that the wire is able to send numerical values
 TEST_F(WireArgumentTests, ValueArgument) {
     WGPUCommandEncoder encoder = wgpuDeviceCreateCommandEncoder(device, nullptr);
     WGPUComputePassEncoder pass = wgpuCommandEncoderBeginComputePass(encoder, nullptr);
     wgpuComputePassEncoderDispatch(pass, 1, 2, 3);

     WGPUCommandEncoder apiEncoder = api.GetNewCommandEncoder();
     EXPECT_CALL(api, DeviceCreateCommandEncoder(apiDevice, nullptr)).WillOnce(Return(apiEncoder));

     WGPUComputePassEncoder apiPass = api.GetNewComputePassEncoder();
     EXPECT_CALL(api, CommandEncoderBeginComputePass(apiEncoder, nullptr)).WillOnce(Return(apiPass));

     EXPECT_CALL(api, ComputePassEncoderDispatch(apiPass, 1, 2, 3)).Times(1);

     FlushClient();
 }

 // Test that the wire is able to send arrays of numerical values
 TEST_F(WireArgumentTests, ValueArrayArgument) {
     // Create a bindgroup.
     WGPUBindGroupLayoutDescriptor bglDescriptor = {};
     bglDescriptor.entryCount = 0;
     bglDescriptor.entries = nullptr;

     WGPUBindGroupLayout bgl = wgpuDeviceCreateBindGroupLayout(device, &bglDescriptor);
     WGPUBindGroupLayout apiBgl = api.GetNewBindGroupLayout();
     EXPECT_CALL(api, DeviceCreateBindGroupLayout(apiDevice, _)).WillOnce(Return(apiBgl));

     WGPUBindGroupDescriptor bindGroupDescriptor = {};
     bindGroupDescriptor.layout = bgl;
     bindGroupDescriptor.entryCount = 0;
     bindGroupDescriptor.entries = nullptr;

     WGPUBindGroup bindGroup = wgpuDeviceCreateBindGroup(device, &bindGroupDescriptor);
     WGPUBindGroup apiBindGroup = api.GetNewBindGroup();
     EXPECT_CALL(api, DeviceCreateBindGroup(apiDevice, _)).WillOnce(Return(apiBindGroup));

     // Use the bindgroup in SetBindGroup that takes an array of value offsets.
     WGPUCommandEncoder encoder = wgpuDeviceCreateCommandEncoder(device, nullptr);
     WGPUComputePassEncoder pass = wgpuCommandEncoderBeginComputePass(encoder, nullptr);

     std::array<uint32_t, 4> testOffsets = {0, 42, 0xDEAD'BEEFu, 0xFFFF'FFFFu};
     wgpuComputePassEncoderSetBindGroup(pass, 0, bindGroup, testOffsets.size(), testOffsets.data());

     WGPUCommandEncoder apiEncoder = api.GetNewCommandEncoder();
     EXPECT_CALL(api, DeviceCreateCommandEncoder(apiDevice, nullptr)).WillOnce(Return(apiEncoder));

     WGPUComputePassEncoder apiPass = api.GetNewComputePassEncoder();
     EXPECT_CALL(api, CommandEncoderBeginComputePass(apiEncoder, nullptr)).WillOnce(Return(apiPass));

     EXPECT_CALL(api, ComputePassEncoderSetBindGroup(
                          apiPass, 0, apiBindGroup, testOffsets.size(),
                          MatchesLambda([testOffsets](const uint32_t* offsets) -> bool {
                              for (size_t i = 0; i < testOffsets.size(); i++) {
                                  if (offsets[i] != testOffsets[i]) {
                                      return false;
                                  }
                              }
                              return true;
                          })));

     FlushClient();
 }

 // Test that the wire is able to send C strings
 TEST_F(WireArgumentTests, CStringArgument) {
     // Create shader module
     WGPUShaderModuleDescriptor vertexDescriptor = {};
     WGPUShaderModule vsModule = wgpuDeviceCreateShaderModule(device, &vertexDescriptor);
     WGPUShaderModule apiVsModule = api.GetNewShaderModule();
     EXPECT_CALL(api, DeviceCreateShaderModule(apiDevice, _)).WillOnce(Return(apiVsModule));

     // Create the color state descriptor
     WGPUBlendComponent blendComponent = {};
     blendComponent.operation = WGPUBlendOperation_Add;
     blendComponent.srcFactor = WGPUBlendFactor_One;
     blendComponent.dstFactor = WGPUBlendFactor_One;
     WGPUBlendState blendState = {};
     blendState.alpha = blendComponent;
     blendState.color = blendComponent;
     WGPUColorTargetState colorTargetState = {};
     colorTargetState.format = WGPUTextureFormat_RGBA8Unorm;
     colorTargetState.blend = &blendState;
     colorTargetState.writeMask = WGPUColorWriteMask_All;

     // Create the depth-stencil state
     WGPUStencilFaceState stencilFace = {};
     stencilFace.compare = WGPUCompareFunction_Always;
     stencilFace.failOp = WGPUStencilOperation_Keep;
     stencilFace.depthFailOp = WGPUStencilOperation_Keep;
     stencilFace.passOp = WGPUStencilOperation_Keep;

     WGPUDepthStencilState depthStencilState = {};
     depthStencilState.format = WGPUTextureFormat_Depth24PlusStencil8;
     depthStencilState.depthWriteEnabled = false;
     depthStencilState.depthCompare = WGPUCompareFunction_Always;
     depthStencilState.stencilBack = stencilFace;
     depthStencilState.stencilFront = stencilFace;
     depthStencilState.stencilReadMask = 0xff;
     depthStencilState.stencilWriteMask = 0xff;
     depthStencilState.depthBias = 0;
     depthStencilState.depthBiasSlopeScale = 0.0;
     depthStencilState.depthBiasClamp = 0.0;

     // Create the pipeline layout
     WGPUPipelineLayoutDescriptor layoutDescriptor = {};
     layoutDescriptor.bindGroupLayoutCount = 0;
     layoutDescriptor.bindGroupLayouts = nullptr;
     WGPUPipelineLayout layout = wgpuDeviceCreatePipelineLayout(device, &layoutDescriptor);
     WGPUPipelineLayout apiLayout = api.GetNewPipelineLayout();
     EXPECT_CALL(api, DeviceCreatePipelineLayout(apiDevice, _)).WillOnce(Return(apiLayout));

     // Create pipeline
     WGPURenderPipelineDescriptor pipelineDescriptor = {};

     pipelineDescriptor.vertex.module = vsModule;
     pipelineDescriptor.vertex.entryPoint = "main";
     pipelineDescriptor.vertex.bufferCount = 0;
     pipelineDescriptor.vertex.buffers = nullptr;

     WGPUFragmentState fragment = {};
     fragment.module = vsModule;
     fragment.entryPoint = "main";
     fragment.targetCount = 1;
     fragment.targets = &colorTargetState;
     pipelineDescriptor.fragment = &fragment;

     pipelineDescriptor.multisample.count = 1;
     pipelineDescriptor.multisample.mask = 0xFFFFFFFF;
     pipelineDescriptor.multisample.alphaToCoverageEnabled = false;
     pipelineDescriptor.layout = layout;
     pipelineDescriptor.primitive.topology = WGPUPrimitiveTopology_TriangleList;
     pipelineDescriptor.primitive.frontFace = WGPUFrontFace_CCW;
     pipelineDescriptor.primitive.cullMode = WGPUCullMode_None;
     pipelineDescriptor.depthStencil = &depthStencilState;

     wgpuDeviceCreateRenderPipeline(device, &pipelineDescriptor);

     WGPURenderPipeline apiPlaceholderPipeline = api.GetNewRenderPipeline();
     EXPECT_CALL(api,
                 DeviceCreateRenderPipeline(
                     apiDevice, MatchesLambda([](const WGPURenderPipelineDescriptor* desc) -> bool {
                         return desc->vertex.entryPoint == std::string("main");
                     })))
         .WillOnce(Return(apiPlaceholderPipeline));

     FlushClient();
 }

 // Test that the wire is able to send objects as value arguments
 TEST_F(WireArgumentTests, ObjectAsValueArgument) {
     WGPUCommandEncoder cmdBufEncoder = wgpuDeviceCreateCommandEncoder(device, nullptr);
     WGPUCommandEncoder apiEncoder = api.GetNewCommandEncoder();
     EXPECT_CALL(api, DeviceCreateCommandEncoder(apiDevice, nullptr)).WillOnce(Return(apiEncoder));

     WGPUBufferDescriptor descriptor = {};
     descriptor.size = 8;
     descriptor.usage =
         static_cast<WGPUBufferUsage>(WGPUBufferUsage_CopySrc | WGPUBufferUsage_CopyDst);

     WGPUBuffer buffer = wgpuDeviceCreateBuffer(device, &descriptor);
     WGPUBuffer apiBuffer = api.GetNewBuffer();
     EXPECT_CALL(api, DeviceCreateBuffer(apiDevice, _))
         .WillOnce(Return(apiBuffer))
         .RetiresOnSaturation();

     wgpuCommandEncoderCopyBufferToBuffer(cmdBufEncoder, buffer, 0, buffer, 4, 4);
     EXPECT_CALL(api, CommandEncoderCopyBufferToBuffer(apiEncoder, apiBuffer, 0, apiBuffer, 4, 4));

     FlushClient();
 }

 // Test that the wire is able to send array of objects
 TEST_F(WireArgumentTests, ObjectsAsPointerArgument) {
     WGPUCommandBuffer cmdBufs[2];
     WGPUCommandBuffer apiCmdBufs[2];

     // Create two command buffers we need to use a GMock sequence otherwise the order of the
     // CreateCommandEncoder might be swapped since they are equivalent in term of matchers
     Sequence s;
     for (int i = 0; i < 2; ++i) {
         WGPUCommandEncoder cmdBufEncoder = wgpuDeviceCreateCommandEncoder(device, nullptr);
         cmdBufs[i] = wgpuCommandEncoderFinish(cmdBufEncoder, nullptr);

         WGPUCommandEncoder apiCmdBufEncoder = api.GetNewCommandEncoder();
         EXPECT_CALL(api, DeviceCreateCommandEncoder(apiDevice, nullptr))
             .InSequence(s)
             .WillOnce(Return(apiCmdBufEncoder));

         apiCmdBufs[i] = api.GetNewCommandBuffer();
         EXPECT_CALL(api, CommandEncoderFinish(apiCmdBufEncoder, nullptr))
             .WillOnce(Return(apiCmdBufs[i]));
     }

     // Submit command buffer and check we got a call with both API-side command buffers
     wgpuQueueSubmit(queue, 2, cmdBufs);

     EXPECT_CALL(
         api, QueueSubmit(apiQueue, 2, MatchesLambda([=](const WGPUCommandBuffer* cmdBufs) -> bool {
                              return cmdBufs[0] == apiCmdBufs[0] && cmdBufs[1] == apiCmdBufs[1];
                          })));

     FlushClient();
 }

 // Test that the wire is able to send structures that contain pure values (non-objects)
 TEST_F(WireArgumentTests, StructureOfValuesArgument) {
     WGPUSamplerDescriptor descriptor = {};
     descriptor.magFilter = WGPUFilterMode_Linear;
     descriptor.minFilter = WGPUFilterMode_Nearest;
     descriptor.mipmapFilter = WGPUFilterMode_Linear;
     descriptor.addressModeU = WGPUAddressMode_ClampToEdge;
     descriptor.addressModeV = WGPUAddressMode_Repeat;
     descriptor.addressModeW = WGPUAddressMode_MirrorRepeat;
     descriptor.lodMinClamp = kLodMin;
     descriptor.lodMaxClamp = kLodMax;
     descriptor.compare = WGPUCompareFunction_Never;

     wgpuDeviceCreateSampler(device, &descriptor);

     WGPUSampler apiPlaceholderSampler = api.GetNewSampler();
     EXPECT_CALL(api, DeviceCreateSampler(
                          apiDevice, MatchesLambda([](const WGPUSamplerDescriptor* desc) -> bool {
                              return desc->nextInChain == nullptr &&
                                     desc->magFilter == WGPUFilterMode_Linear &&
                                     desc->minFilter == WGPUFilterMode_Nearest &&
                                     desc->mipmapFilter == WGPUFilterMode_Linear &&
                                     desc->addressModeU == WGPUAddressMode_ClampToEdge &&
                                     desc->addressModeV == WGPUAddressMode_Repeat &&
                                     desc->addressModeW == WGPUAddressMode_MirrorRepeat &&
                                     desc->compare == WGPUCompareFunction_Never &&
                                     desc->lodMinClamp == kLodMin && desc->lodMaxClamp == kLodMax;
                          })))
         .WillOnce(Return(apiPlaceholderSampler));

     FlushClient();
 }

 // Test that the wire is able to send structures that contain objects
 TEST_F(WireArgumentTests, StructureOfObjectArrayArgument) {
     WGPUBindGroupLayoutDescriptor bglDescriptor = {};
     bglDescriptor.entryCount = 0;
     bglDescriptor.entries = nullptr;

     WGPUBindGroupLayout bgl = wgpuDeviceCreateBindGroupLayout(device, &bglDescriptor);
     WGPUBindGroupLayout apiBgl = api.GetNewBindGroupLayout();
     EXPECT_CALL(api, DeviceCreateBindGroupLayout(apiDevice, _)).WillOnce(Return(apiBgl));

     WGPUPipelineLayoutDescriptor descriptor = {};
     descriptor.bindGroupLayoutCount = 1;
     descriptor.bindGroupLayouts = &bgl;

     wgpuDeviceCreatePipelineLayout(device, &descriptor);

     WGPUPipelineLayout apiPlaceholderLayout = api.GetNewPipelineLayout();
     EXPECT_CALL(api, DeviceCreatePipelineLayout(
                          apiDevice,
                          MatchesLambda([apiBgl](const WGPUPipelineLayoutDescriptor* desc) -> bool {
                              return desc->nextInChain == nullptr &&
                                     desc->bindGroupLayoutCount == 1 &&
                                     desc->bindGroupLayouts[0] == apiBgl;
                          })))
         .WillOnce(Return(apiPlaceholderLayout));

     FlushClient();
 }

 // Test that the wire is able to send structures that contain objects
 TEST_F(WireArgumentTests, StructureOfStructureArrayArgument) {
     static constexpr int NUM_BINDINGS = 3;
     WGPUBindGroupLayoutEntry entries[NUM_BINDINGS]{
         {nullptr,
          0,
          WGPUShaderStage_Vertex,
          {},
          {nullptr, WGPUSamplerBindingType_Filtering},
          {},
          {}},
         {nullptr,
          1,
          WGPUShaderStage_Vertex,
          {},
          {},
          {nullptr, WGPUTextureSampleType_Float, WGPUTextureViewDimension_2D, false},
          {}},
         {nullptr,
          2,
          static_cast<WGPUShaderStage>(WGPUShaderStage_Vertex | WGPUShaderStage_Fragment),
          {nullptr, WGPUBufferBindingType_Uniform, false, 0},
          {},
          {},
          {}},
     };
     WGPUBindGroupLayoutDescriptor bglDescriptor = {};
     bglDescriptor.entryCount = NUM_BINDINGS;
     bglDescriptor.entries = entries;

     wgpuDeviceCreateBindGroupLayout(device, &bglDescriptor);
     WGPUBindGroupLayout apiBgl = api.GetNewBindGroupLayout();
     EXPECT_CALL(
         api,
         DeviceCreateBindGroupLayout(
             apiDevice, MatchesLambda([entries](const WGPUBindGroupLayoutDescriptor* desc) -> bool {
                 for (int i = 0; i < NUM_BINDINGS; ++i) {
                     const auto& a = desc->entries[i];
                     const auto& b = entries[i];
                     if (a.binding != b.binding || a.visibility != b.visibility ||
                         a.buffer.type != b.buffer.type || a.sampler.type != b.sampler.type ||
                         a.texture.sampleType != b.texture.sampleType) {
                         return false;
                     }
                 }
                 return desc->nextInChain == nullptr && desc->entryCount == 3;
             })))
         .WillOnce(Return(apiBgl));

     FlushClient();
 }

 // Test passing nullptr instead of objects - array of objects version
 TEST_F(WireArgumentTests, DISABLED_NullptrInArray) {
     WGPUBindGroupLayout nullBGL = nullptr;

     WGPUPipelineLayoutDescriptor descriptor = {};
     descriptor.bindGroupLayoutCount = 1;
     descriptor.bindGroupLayouts = &nullBGL;

     wgpuDeviceCreatePipelineLayout(device, &descriptor);
     EXPECT_CALL(api,
                 DeviceCreatePipelineLayout(
                     apiDevice, MatchesLambda([](const WGPUPipelineLayoutDescriptor* desc) -> bool {
                         return desc->nextInChain == nullptr && desc->bindGroupLayoutCount == 1 &&
                                desc->bindGroupLayouts[0] == nullptr;
                     })))
         .WillOnce(Return(nullptr));

     FlushClient();
 }

 }  // namespace dawn::wire
	// Copyright 2019 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 <array>
	#include <string>

	#include "dawn/common/Constants.h"
	#include "dawn/tests/unittests/wire/WireTest.h"

	namespace dawn::wire {

	using testing::_;
	using testing::Return;
	using testing::Sequence;

	class WireArgumentTests : public WireTest {
	public:
	WireArgumentTests() {}
	~WireArgumentTests() override = default;
	};

	// Test that the wire is able to send numerical values
	TEST_F(WireArgumentTests, ValueArgument) {
	WGPUCommandEncoder encoder = wgpuDeviceCreateCommandEncoder(device, nullptr);
	WGPUComputePassEncoder pass = wgpuCommandEncoderBeginComputePass(encoder, nullptr);
	wgpuComputePassEncoderDispatch(pass, 1, 2, 3);

	WGPUCommandEncoder apiEncoder = api.GetNewCommandEncoder();
	EXPECT_CALL(api, DeviceCreateCommandEncoder(apiDevice, nullptr)).WillOnce(Return(apiEncoder));

	WGPUComputePassEncoder apiPass = api.GetNewComputePassEncoder();
	EXPECT_CALL(api, CommandEncoderBeginComputePass(apiEncoder, nullptr)).WillOnce(Return(apiPass));

	EXPECT_CALL(api, ComputePassEncoderDispatch(apiPass, 1, 2, 3)).Times(1);

	FlushClient();
	}

	// Test that the wire is able to send arrays of numerical values
	TEST_F(WireArgumentTests, ValueArrayArgument) {
	// Create a bindgroup.
	WGPUBindGroupLayoutDescriptor bglDescriptor = {};
	bglDescriptor.entryCount = 0;
	bglDescriptor.entries = nullptr;

	WGPUBindGroupLayout bgl = wgpuDeviceCreateBindGroupLayout(device, &bglDescriptor);
	WGPUBindGroupLayout apiBgl = api.GetNewBindGroupLayout();
	EXPECT_CALL(api, DeviceCreateBindGroupLayout(apiDevice, _)).WillOnce(Return(apiBgl));

	WGPUBindGroupDescriptor bindGroupDescriptor = {};
	bindGroupDescriptor.layout = bgl;
	bindGroupDescriptor.entryCount = 0;
	bindGroupDescriptor.entries = nullptr;

	WGPUBindGroup bindGroup = wgpuDeviceCreateBindGroup(device, &bindGroupDescriptor);
	WGPUBindGroup apiBindGroup = api.GetNewBindGroup();
	EXPECT_CALL(api, DeviceCreateBindGroup(apiDevice, _)).WillOnce(Return(apiBindGroup));

	// Use the bindgroup in SetBindGroup that takes an array of value offsets.
	WGPUCommandEncoder encoder = wgpuDeviceCreateCommandEncoder(device, nullptr);
	WGPUComputePassEncoder pass = wgpuCommandEncoderBeginComputePass(encoder, nullptr);

	std::array<uint32_t, 4> testOffsets = {0, 42, 0xDEAD'BEEFu, 0xFFFF'FFFFu};
	wgpuComputePassEncoderSetBindGroup(pass, 0, bindGroup, testOffsets.size(), testOffsets.data());

	WGPUCommandEncoder apiEncoder = api.GetNewCommandEncoder();
	EXPECT_CALL(api, DeviceCreateCommandEncoder(apiDevice, nullptr)).WillOnce(Return(apiEncoder));

	WGPUComputePassEncoder apiPass = api.GetNewComputePassEncoder();
	EXPECT_CALL(api, CommandEncoderBeginComputePass(apiEncoder, nullptr)).WillOnce(Return(apiPass));

	EXPECT_CALL(api, ComputePassEncoderSetBindGroup(
	apiPass, 0, apiBindGroup, testOffsets.size(),
	MatchesLambda([testOffsets](const uint32_t* offsets) -> bool {
	for (size_t i = 0; i < testOffsets.size(); i++) {
	if (offsets[i] != testOffsets[i]) {
	return false;
	}
	}
	return true;
	})));

	FlushClient();
	}

	// Test that the wire is able to send C strings
	TEST_F(WireArgumentTests, CStringArgument) {
	// Create shader module
	WGPUShaderModuleDescriptor vertexDescriptor = {};
	WGPUShaderModule vsModule = wgpuDeviceCreateShaderModule(device, &vertexDescriptor);
	WGPUShaderModule apiVsModule = api.GetNewShaderModule();
	EXPECT_CALL(api, DeviceCreateShaderModule(apiDevice, _)).WillOnce(Return(apiVsModule));

	// Create the color state descriptor
	WGPUBlendComponent blendComponent = {};
	blendComponent.operation = WGPUBlendOperation_Add;
	blendComponent.srcFactor = WGPUBlendFactor_One;
	blendComponent.dstFactor = WGPUBlendFactor_One;
	WGPUBlendState blendState = {};
	blendState.alpha = blendComponent;
	blendState.color = blendComponent;
	WGPUColorTargetState colorTargetState = {};
	colorTargetState.format = WGPUTextureFormat_RGBA8Unorm;
	colorTargetState.blend = &blendState;
	colorTargetState.writeMask = WGPUColorWriteMask_All;

	// Create the depth-stencil state
	WGPUStencilFaceState stencilFace = {};
	stencilFace.compare = WGPUCompareFunction_Always;
	stencilFace.failOp = WGPUStencilOperation_Keep;
	stencilFace.depthFailOp = WGPUStencilOperation_Keep;
	stencilFace.passOp = WGPUStencilOperation_Keep;

	WGPUDepthStencilState depthStencilState = {};
	depthStencilState.format = WGPUTextureFormat_Depth24PlusStencil8;
	depthStencilState.depthWriteEnabled = false;
	depthStencilState.depthCompare = WGPUCompareFunction_Always;
	depthStencilState.stencilBack = stencilFace;
	depthStencilState.stencilFront = stencilFace;
	depthStencilState.stencilReadMask = 0xff;
	depthStencilState.stencilWriteMask = 0xff;
	depthStencilState.depthBias = 0;
	depthStencilState.depthBiasSlopeScale = 0.0;
	depthStencilState.depthBiasClamp = 0.0;

	// Create the pipeline layout
	WGPUPipelineLayoutDescriptor layoutDescriptor = {};
	layoutDescriptor.bindGroupLayoutCount = 0;
	layoutDescriptor.bindGroupLayouts = nullptr;
	WGPUPipelineLayout layout = wgpuDeviceCreatePipelineLayout(device, &layoutDescriptor);
	WGPUPipelineLayout apiLayout = api.GetNewPipelineLayout();
	EXPECT_CALL(api, DeviceCreatePipelineLayout(apiDevice, _)).WillOnce(Return(apiLayout));

	// Create pipeline
	WGPURenderPipelineDescriptor pipelineDescriptor = {};

	pipelineDescriptor.vertex.module = vsModule;
	pipelineDescriptor.vertex.entryPoint = "main";
	pipelineDescriptor.vertex.bufferCount = 0;
	pipelineDescriptor.vertex.buffers = nullptr;

	WGPUFragmentState fragment = {};
	fragment.module = vsModule;
	fragment.entryPoint = "main";
	fragment.targetCount = 1;
	fragment.targets = &colorTargetState;
	pipelineDescriptor.fragment = &fragment;

	pipelineDescriptor.multisample.count = 1;
	pipelineDescriptor.multisample.mask = 0xFFFFFFFF;
	pipelineDescriptor.multisample.alphaToCoverageEnabled = false;
	pipelineDescriptor.layout = layout;
	pipelineDescriptor.primitive.topology = WGPUPrimitiveTopology_TriangleList;
	pipelineDescriptor.primitive.frontFace = WGPUFrontFace_CCW;
	pipelineDescriptor.primitive.cullMode = WGPUCullMode_None;
	pipelineDescriptor.depthStencil = &depthStencilState;

	wgpuDeviceCreateRenderPipeline(device, &pipelineDescriptor);

	WGPURenderPipeline apiPlaceholderPipeline = api.GetNewRenderPipeline();
	EXPECT_CALL(api,
	DeviceCreateRenderPipeline(
	apiDevice, MatchesLambda([](const WGPURenderPipelineDescriptor* desc) -> bool {
	return desc->vertex.entryPoint == std::string("main");
	})))
	.WillOnce(Return(apiPlaceholderPipeline));

	FlushClient();
	}

	// Test that the wire is able to send objects as value arguments
	TEST_F(WireArgumentTests, ObjectAsValueArgument) {
	WGPUCommandEncoder cmdBufEncoder = wgpuDeviceCreateCommandEncoder(device, nullptr);
	WGPUCommandEncoder apiEncoder = api.GetNewCommandEncoder();
	EXPECT_CALL(api, DeviceCreateCommandEncoder(apiDevice, nullptr)).WillOnce(Return(apiEncoder));

	WGPUBufferDescriptor descriptor = {};
	descriptor.size = 8;
	descriptor.usage =
	static_cast<WGPUBufferUsage>(WGPUBufferUsage_CopySrc \| WGPUBufferUsage_CopyDst);

	WGPUBuffer buffer = wgpuDeviceCreateBuffer(device, &descriptor);
	WGPUBuffer apiBuffer = api.GetNewBuffer();
	EXPECT_CALL(api, DeviceCreateBuffer(apiDevice, _))
	.WillOnce(Return(apiBuffer))
	.RetiresOnSaturation();

	wgpuCommandEncoderCopyBufferToBuffer(cmdBufEncoder, buffer, 0, buffer, 4, 4);
	EXPECT_CALL(api, CommandEncoderCopyBufferToBuffer(apiEncoder, apiBuffer, 0, apiBuffer, 4, 4));

	FlushClient();
	}

	// Test that the wire is able to send array of objects
	TEST_F(WireArgumentTests, ObjectsAsPointerArgument) {
	WGPUCommandBuffer cmdBufs[2];
	WGPUCommandBuffer apiCmdBufs[2];

	// Create two command buffers we need to use a GMock sequence otherwise the order of the
	// CreateCommandEncoder might be swapped since they are equivalent in term of matchers
	Sequence s;
	for (int i = 0; i < 2; ++i) {
	WGPUCommandEncoder cmdBufEncoder = wgpuDeviceCreateCommandEncoder(device, nullptr);
	cmdBufs[i] = wgpuCommandEncoderFinish(cmdBufEncoder, nullptr);

	WGPUCommandEncoder apiCmdBufEncoder = api.GetNewCommandEncoder();
	EXPECT_CALL(api, DeviceCreateCommandEncoder(apiDevice, nullptr))
	.InSequence(s)
	.WillOnce(Return(apiCmdBufEncoder));

	apiCmdBufs[i] = api.GetNewCommandBuffer();
	EXPECT_CALL(api, CommandEncoderFinish(apiCmdBufEncoder, nullptr))
	.WillOnce(Return(apiCmdBufs[i]));
	}

	// Submit command buffer and check we got a call with both API-side command buffers
	wgpuQueueSubmit(queue, 2, cmdBufs);

	EXPECT_CALL(
	api, QueueSubmit(apiQueue, 2, MatchesLambda([=](const WGPUCommandBuffer* cmdBufs) -> bool {
	return cmdBufs[0] == apiCmdBufs[0] && cmdBufs[1] == apiCmdBufs[1];
	})));

	FlushClient();
	}

	// Test that the wire is able to send structures that contain pure values (non-objects)
	TEST_F(WireArgumentTests, StructureOfValuesArgument) {
	WGPUSamplerDescriptor descriptor = {};
	descriptor.magFilter = WGPUFilterMode_Linear;
	descriptor.minFilter = WGPUFilterMode_Nearest;
	descriptor.mipmapFilter = WGPUFilterMode_Linear;
	descriptor.addressModeU = WGPUAddressMode_ClampToEdge;
	descriptor.addressModeV = WGPUAddressMode_Repeat;
	descriptor.addressModeW = WGPUAddressMode_MirrorRepeat;
	descriptor.lodMinClamp = kLodMin;
	descriptor.lodMaxClamp = kLodMax;
	descriptor.compare = WGPUCompareFunction_Never;

	wgpuDeviceCreateSampler(device, &descriptor);

	WGPUSampler apiPlaceholderSampler = api.GetNewSampler();
	EXPECT_CALL(api, DeviceCreateSampler(
	apiDevice, MatchesLambda([](const WGPUSamplerDescriptor* desc) -> bool {
	return desc->nextInChain == nullptr &&
	desc->magFilter == WGPUFilterMode_Linear &&
	desc->minFilter == WGPUFilterMode_Nearest &&
	desc->mipmapFilter == WGPUFilterMode_Linear &&
	desc->addressModeU == WGPUAddressMode_ClampToEdge &&
	desc->addressModeV == WGPUAddressMode_Repeat &&
	desc->addressModeW == WGPUAddressMode_MirrorRepeat &&
	desc->compare == WGPUCompareFunction_Never &&
	desc->lodMinClamp == kLodMin && desc->lodMaxClamp == kLodMax;
	})))
	.WillOnce(Return(apiPlaceholderSampler));

	FlushClient();
	}

	// Test that the wire is able to send structures that contain objects
	TEST_F(WireArgumentTests, StructureOfObjectArrayArgument) {
	WGPUBindGroupLayoutDescriptor bglDescriptor = {};
	bglDescriptor.entryCount = 0;
	bglDescriptor.entries = nullptr;

	WGPUBindGroupLayout bgl = wgpuDeviceCreateBindGroupLayout(device, &bglDescriptor);
	WGPUBindGroupLayout apiBgl = api.GetNewBindGroupLayout();
	EXPECT_CALL(api, DeviceCreateBindGroupLayout(apiDevice, _)).WillOnce(Return(apiBgl));

	WGPUPipelineLayoutDescriptor descriptor = {};
	descriptor.bindGroupLayoutCount = 1;
	descriptor.bindGroupLayouts = &bgl;

	wgpuDeviceCreatePipelineLayout(device, &descriptor);

	WGPUPipelineLayout apiPlaceholderLayout = api.GetNewPipelineLayout();
	EXPECT_CALL(api, DeviceCreatePipelineLayout(
	apiDevice,
	MatchesLambda([apiBgl](const WGPUPipelineLayoutDescriptor* desc) -> bool {
	return desc->nextInChain == nullptr &&
	desc->bindGroupLayoutCount == 1 &&
	desc->bindGroupLayouts[0] == apiBgl;
	})))
	.WillOnce(Return(apiPlaceholderLayout));

	FlushClient();
	}

	// Test that the wire is able to send structures that contain objects
	TEST_F(WireArgumentTests, StructureOfStructureArrayArgument) {
	static constexpr int NUM_BINDINGS = 3;
	WGPUBindGroupLayoutEntry entries[NUM_BINDINGS]{
	{nullptr,
	0,
	WGPUShaderStage_Vertex,
	{},
	{nullptr, WGPUSamplerBindingType_Filtering},
	{},
	{}},
	{nullptr,
	1,
	WGPUShaderStage_Vertex,
	{},
	{},
	{nullptr, WGPUTextureSampleType_Float, WGPUTextureViewDimension_2D, false},
	{}},
	{nullptr,
	2,
	static_cast<WGPUShaderStage>(WGPUShaderStage_Vertex \| WGPUShaderStage_Fragment),
	{nullptr, WGPUBufferBindingType_Uniform, false, 0},
	{},
	{},
	{}},
	};
	WGPUBindGroupLayoutDescriptor bglDescriptor = {};
	bglDescriptor.entryCount = NUM_BINDINGS;
	bglDescriptor.entries = entries;

	wgpuDeviceCreateBindGroupLayout(device, &bglDescriptor);
	WGPUBindGroupLayout apiBgl = api.GetNewBindGroupLayout();
	EXPECT_CALL(
	api,
	DeviceCreateBindGroupLayout(
	apiDevice, MatchesLambda([entries](const WGPUBindGroupLayoutDescriptor* desc) -> bool {
	for (int i = 0; i < NUM_BINDINGS; ++i) {
	const auto& a = desc->entries[i];
	const auto& b = entries[i];
	if (a.binding != b.binding \|\| a.visibility != b.visibility \|\|
	a.buffer.type != b.buffer.type \|\| a.sampler.type != b.sampler.type \|\|
	a.texture.sampleType != b.texture.sampleType) {
	return false;
	}
	}
	return desc->nextInChain == nullptr && desc->entryCount == 3;
	})))
	.WillOnce(Return(apiBgl));

	FlushClient();
	}

	// Test passing nullptr instead of objects - array of objects version
	TEST_F(WireArgumentTests, DISABLED_NullptrInArray) {
	WGPUBindGroupLayout nullBGL = nullptr;

	WGPUPipelineLayoutDescriptor descriptor = {};
	descriptor.bindGroupLayoutCount = 1;
	descriptor.bindGroupLayouts = &nullBGL;

	wgpuDeviceCreatePipelineLayout(device, &descriptor);
	EXPECT_CALL(api,
	DeviceCreatePipelineLayout(
	apiDevice, MatchesLambda([](const WGPUPipelineLayoutDescriptor* desc) -> bool {
	return desc->nextInChain == nullptr && desc->bindGroupLayoutCount == 1 &&
	desc->bindGroupLayouts[0] == nullptr;
	})))
	.WillOnce(Return(nullptr));

	FlushClient();
	}

	} // namespace dawn::wire