src/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 "tests/unittests/wire/WireTest.h"

 #include "common/Constants.h"

 #include <array>

 using namespace testing;
 using namespace dawn_wire;

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

 // Test that the wire is able to send numerical values
 TEST_F(WireArgumentTests, ValueArgument) {
     DawnCommandEncoder encoder = dawnDeviceCreateCommandEncoder(device);
     DawnComputePassEncoder pass = dawnCommandEncoderBeginComputePass(encoder);
     dawnComputePassEncoderDispatch(pass, 1, 2, 3);

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

     DawnComputePassEncoder apiPass = api.GetNewComputePassEncoder();
     EXPECT_CALL(api, CommandEncoderBeginComputePass(apiEncoder)).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.
     DawnBindGroupLayoutDescriptor bglDescriptor;
     bglDescriptor.nextInChain = nullptr;
     bglDescriptor.bindingCount = 0;
     bglDescriptor.bindings = nullptr;

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

     DawnBindGroupDescriptor bindGroupDescriptor;
     bindGroupDescriptor.nextInChain = nullptr;
     bindGroupDescriptor.layout = bgl;
     bindGroupDescriptor.bindingCount = 0;
     bindGroupDescriptor.bindings = nullptr;

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

     // Use the bindgroup in SetBindGroup that takes an array of value offsets.
     DawnCommandEncoder encoder = dawnDeviceCreateCommandEncoder(device);
     DawnComputePassEncoder pass = dawnCommandEncoderBeginComputePass(encoder);

     std::array<uint64_t, 4> testOffsets = {0, 42, 0xDEAD'BEEF'DEAD'BEEFu, 0xFFFF'FFFF'FFFF'FFFFu};
     dawnComputePassEncoderSetBindGroup(pass, 0, bindGroup, testOffsets.size(), testOffsets.data());

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

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

     EXPECT_CALL(api, ComputePassEncoderSetBindGroup(
                          apiPass, 0, apiBindGroup, testOffsets.size(),
                          MatchesLambda([testOffsets](const uint64_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
     DawnShaderModuleDescriptor vertexDescriptor;
     vertexDescriptor.nextInChain = nullptr;
     vertexDescriptor.codeSize = 0;
     DawnShaderModule vsModule = dawnDeviceCreateShaderModule(device, &vertexDescriptor);
     DawnShaderModule apiVsModule = api.GetNewShaderModule();
     EXPECT_CALL(api, DeviceCreateShaderModule(apiDevice, _)).WillOnce(Return(apiVsModule));

     // Create the color state descriptor
     DawnBlendDescriptor blendDescriptor;
     blendDescriptor.operation = DAWN_BLEND_OPERATION_ADD;
     blendDescriptor.srcFactor = DAWN_BLEND_FACTOR_ONE;
     blendDescriptor.dstFactor = DAWN_BLEND_FACTOR_ONE;
     DawnColorStateDescriptor colorStateDescriptor;
     colorStateDescriptor.nextInChain = nullptr;
     colorStateDescriptor.format = DAWN_TEXTURE_FORMAT_RGBA8_UNORM;
     colorStateDescriptor.alphaBlend = blendDescriptor;
     colorStateDescriptor.colorBlend = blendDescriptor;
     colorStateDescriptor.writeMask = DAWN_COLOR_WRITE_MASK_ALL;

     // Create the input state
     DawnVertexInputDescriptor vertexInput;
     vertexInput.nextInChain = nullptr;
     vertexInput.indexFormat = DAWN_INDEX_FORMAT_UINT32;
     vertexInput.bufferCount = 0;
     vertexInput.buffers = nullptr;

     // Create the rasterization state
     DawnRasterizationStateDescriptor rasterizationState;
     rasterizationState.nextInChain = nullptr;
     rasterizationState.frontFace = DAWN_FRONT_FACE_CCW;
     rasterizationState.cullMode = DAWN_CULL_MODE_NONE;
     rasterizationState.depthBias = 0;
     rasterizationState.depthBiasSlopeScale = 0.0;
     rasterizationState.depthBiasClamp = 0.0;

     // Create the depth-stencil state
     DawnStencilStateFaceDescriptor stencilFace;
     stencilFace.compare = DAWN_COMPARE_FUNCTION_ALWAYS;
     stencilFace.failOp = DAWN_STENCIL_OPERATION_KEEP;
     stencilFace.depthFailOp = DAWN_STENCIL_OPERATION_KEEP;
     stencilFace.passOp = DAWN_STENCIL_OPERATION_KEEP;

     DawnDepthStencilStateDescriptor depthStencilState;
     depthStencilState.nextInChain = nullptr;
     depthStencilState.format = DAWN_TEXTURE_FORMAT_DEPTH24_PLUS_STENCIL8;
     depthStencilState.depthWriteEnabled = false;
     depthStencilState.depthCompare = DAWN_COMPARE_FUNCTION_ALWAYS;
     depthStencilState.stencilBack = stencilFace;
     depthStencilState.stencilFront = stencilFace;
     depthStencilState.stencilReadMask = 0xff;
     depthStencilState.stencilWriteMask = 0xff;

     // Create the pipeline layout
     DawnPipelineLayoutDescriptor layoutDescriptor;
     layoutDescriptor.nextInChain = nullptr;
     layoutDescriptor.bindGroupLayoutCount = 0;
     layoutDescriptor.bindGroupLayouts = nullptr;
     DawnPipelineLayout layout = dawnDeviceCreatePipelineLayout(device, &layoutDescriptor);
     DawnPipelineLayout apiLayout = api.GetNewPipelineLayout();
     EXPECT_CALL(api, DeviceCreatePipelineLayout(apiDevice, _)).WillOnce(Return(apiLayout));

     // Create pipeline
     DawnRenderPipelineDescriptor pipelineDescriptor;
     pipelineDescriptor.nextInChain = nullptr;

     DawnPipelineStageDescriptor vertexStage;
     vertexStage.nextInChain = nullptr;
     vertexStage.module = vsModule;
     vertexStage.entryPoint = "main";
     pipelineDescriptor.vertexStage = &vertexStage;

     DawnPipelineStageDescriptor fragmentStage;
     fragmentStage.nextInChain = nullptr;
     fragmentStage.module = vsModule;
     fragmentStage.entryPoint = "main";
     pipelineDescriptor.fragmentStage = &fragmentStage;

     pipelineDescriptor.colorStateCount = 1;
     DawnColorStateDescriptor* colorStatesPtr[] = {&colorStateDescriptor};
     pipelineDescriptor.colorStates = colorStatesPtr;

     pipelineDescriptor.sampleCount = 1;
     pipelineDescriptor.layout = layout;
     pipelineDescriptor.vertexInput = &vertexInput;
     pipelineDescriptor.primitiveTopology = DAWN_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
     pipelineDescriptor.rasterizationState = &rasterizationState;
     pipelineDescriptor.depthStencilState = &depthStencilState;

     dawnDeviceCreateRenderPipeline(device, &pipelineDescriptor);

     DawnRenderPipeline apiDummyPipeline = api.GetNewRenderPipeline();
     EXPECT_CALL(api,
                 DeviceCreateRenderPipeline(
                     apiDevice, MatchesLambda([](const DawnRenderPipelineDescriptor* desc) -> bool {
                         return desc->vertexStage->entryPoint == std::string("main");
                     })))
         .WillOnce(Return(apiDummyPipeline));

     FlushClient();
 }


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

     DawnBufferDescriptor descriptor;
     descriptor.nextInChain = nullptr;
     descriptor.size = 8;
     descriptor.usage = static_cast<DawnBufferUsageBit>(DAWN_BUFFER_USAGE_BIT_COPY_SRC |
                                                        DAWN_BUFFER_USAGE_BIT_COPY_DST);

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

     dawnCommandEncoderCopyBufferToBuffer(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) {
     DawnCommandBuffer cmdBufs[2];
     DawnCommandBuffer 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) {
         DawnCommandEncoder cmdBufEncoder = dawnDeviceCreateCommandEncoder(device);
         cmdBufs[i] = dawnCommandEncoderFinish(cmdBufEncoder);

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

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

     // Create queue
     DawnQueue queue = dawnDeviceCreateQueue(device);
     DawnQueue apiQueue = api.GetNewQueue();
     EXPECT_CALL(api, DeviceCreateQueue(apiDevice)).WillOnce(Return(apiQueue));

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

     EXPECT_CALL(
         api, QueueSubmit(apiQueue, 2, MatchesLambda([=](const DawnCommandBuffer* 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) {
     DawnSamplerDescriptor descriptor;
     descriptor.nextInChain = nullptr;
     descriptor.magFilter = DAWN_FILTER_MODE_LINEAR;
     descriptor.minFilter = DAWN_FILTER_MODE_NEAREST;
     descriptor.mipmapFilter = DAWN_FILTER_MODE_LINEAR;
     descriptor.addressModeU = DAWN_ADDRESS_MODE_CLAMP_TO_EDGE;
     descriptor.addressModeV = DAWN_ADDRESS_MODE_REPEAT;
     descriptor.addressModeW = DAWN_ADDRESS_MODE_MIRROR_REPEAT;
     descriptor.lodMinClamp = kLodMin;
     descriptor.lodMaxClamp = kLodMax;
     descriptor.compare = DAWN_COMPARE_FUNCTION_NEVER;

     dawnDeviceCreateSampler(device, &descriptor);

     DawnSampler apiDummySampler = api.GetNewSampler();
     EXPECT_CALL(api, DeviceCreateSampler(
                          apiDevice, MatchesLambda([](const DawnSamplerDescriptor* desc) -> bool {
                              return desc->nextInChain == nullptr &&
                                     desc->magFilter == DAWN_FILTER_MODE_LINEAR &&
                                     desc->minFilter == DAWN_FILTER_MODE_NEAREST &&
                                     desc->mipmapFilter == DAWN_FILTER_MODE_LINEAR &&
                                     desc->addressModeU == DAWN_ADDRESS_MODE_CLAMP_TO_EDGE &&
                                     desc->addressModeV == DAWN_ADDRESS_MODE_REPEAT &&
                                     desc->addressModeW == DAWN_ADDRESS_MODE_MIRROR_REPEAT &&
                                     desc->compare == DAWN_COMPARE_FUNCTION_NEVER &&
                                     desc->lodMinClamp == kLodMin && desc->lodMaxClamp == kLodMax;
                          })))
         .WillOnce(Return(apiDummySampler));

     FlushClient();
 }

 // Test that the wire is able to send structures that contain objects
 TEST_F(WireArgumentTests, StructureOfObjectArrayArgument) {
     DawnBindGroupLayoutDescriptor bglDescriptor;
     bglDescriptor.nextInChain = nullptr;
     bglDescriptor.bindingCount = 0;
     bglDescriptor.bindings = nullptr;

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

     DawnPipelineLayoutDescriptor descriptor;
     descriptor.nextInChain = nullptr;
     descriptor.bindGroupLayoutCount = 1;
     descriptor.bindGroupLayouts = &bgl;

     dawnDeviceCreatePipelineLayout(device, &descriptor);

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

     FlushClient();
 }

 // Test that the wire is able to send structures that contain objects
 TEST_F(WireArgumentTests, StructureOfStructureArrayArgument) {
     static constexpr int NUM_BINDINGS = 3;
     DawnBindGroupLayoutBinding bindings[NUM_BINDINGS]{
         {0, DAWN_SHADER_STAGE_BIT_VERTEX, DAWN_BINDING_TYPE_SAMPLER},
         {1, DAWN_SHADER_STAGE_BIT_VERTEX, DAWN_BINDING_TYPE_SAMPLED_TEXTURE},
         {2,
          static_cast<DawnShaderStageBit>(DAWN_SHADER_STAGE_BIT_VERTEX |
                                          DAWN_SHADER_STAGE_BIT_FRAGMENT),
          DAWN_BINDING_TYPE_UNIFORM_BUFFER},
     };
     DawnBindGroupLayoutDescriptor bglDescriptor;
     bglDescriptor.bindingCount = NUM_BINDINGS;
     bglDescriptor.bindings = bindings;

     dawnDeviceCreateBindGroupLayout(device, &bglDescriptor);
     DawnBindGroupLayout apiBgl = api.GetNewBindGroupLayout();
     EXPECT_CALL(
         api,
         DeviceCreateBindGroupLayout(
             apiDevice, MatchesLambda([bindings](const DawnBindGroupLayoutDescriptor* desc) -> bool {
                 for (int i = 0; i < NUM_BINDINGS; ++i) {
                     const auto& a = desc->bindings[i];
                     const auto& b = bindings[i];
                     if (a.binding != b.binding || a.visibility != b.visibility ||
                         a.type != b.type) {
                         return false;
                     }
                 }
                 return desc->nextInChain == nullptr && desc->bindingCount == 3;
             })))
         .WillOnce(Return(apiBgl));

     FlushClient();
 }

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

     DawnPipelineLayoutDescriptor descriptor;
     descriptor.nextInChain = nullptr;
     descriptor.bindGroupLayoutCount = 1;
     descriptor.bindGroupLayouts = &nullBGL;

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

     FlushClient();
 }
	// 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 "tests/unittests/wire/WireTest.h"

	#include "common/Constants.h"

	#include <array>

	using namespace testing;
	using namespace dawn_wire;

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

	// Test that the wire is able to send numerical values
	TEST_F(WireArgumentTests, ValueArgument) {
	DawnCommandEncoder encoder = dawnDeviceCreateCommandEncoder(device);
	DawnComputePassEncoder pass = dawnCommandEncoderBeginComputePass(encoder);
	dawnComputePassEncoderDispatch(pass, 1, 2, 3);

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

	DawnComputePassEncoder apiPass = api.GetNewComputePassEncoder();
	EXPECT_CALL(api, CommandEncoderBeginComputePass(apiEncoder)).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.
	DawnBindGroupLayoutDescriptor bglDescriptor;
	bglDescriptor.nextInChain = nullptr;
	bglDescriptor.bindingCount = 0;
	bglDescriptor.bindings = nullptr;

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

	DawnBindGroupDescriptor bindGroupDescriptor;
	bindGroupDescriptor.nextInChain = nullptr;
	bindGroupDescriptor.layout = bgl;
	bindGroupDescriptor.bindingCount = 0;
	bindGroupDescriptor.bindings = nullptr;

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

	// Use the bindgroup in SetBindGroup that takes an array of value offsets.
	DawnCommandEncoder encoder = dawnDeviceCreateCommandEncoder(device);
	DawnComputePassEncoder pass = dawnCommandEncoderBeginComputePass(encoder);

	std::array<uint64_t, 4> testOffsets = {0, 42, 0xDEAD'BEEF'DEAD'BEEFu, 0xFFFF'FFFF'FFFF'FFFFu};
	dawnComputePassEncoderSetBindGroup(pass, 0, bindGroup, testOffsets.size(), testOffsets.data());

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

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

	EXPECT_CALL(api, ComputePassEncoderSetBindGroup(
	apiPass, 0, apiBindGroup, testOffsets.size(),
	MatchesLambda([testOffsets](const uint64_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
	DawnShaderModuleDescriptor vertexDescriptor;
	vertexDescriptor.nextInChain = nullptr;
	vertexDescriptor.codeSize = 0;
	DawnShaderModule vsModule = dawnDeviceCreateShaderModule(device, &vertexDescriptor);
	DawnShaderModule apiVsModule = api.GetNewShaderModule();
	EXPECT_CALL(api, DeviceCreateShaderModule(apiDevice, _)).WillOnce(Return(apiVsModule));

	// Create the color state descriptor
	DawnBlendDescriptor blendDescriptor;
	blendDescriptor.operation = DAWN_BLEND_OPERATION_ADD;
	blendDescriptor.srcFactor = DAWN_BLEND_FACTOR_ONE;
	blendDescriptor.dstFactor = DAWN_BLEND_FACTOR_ONE;
	DawnColorStateDescriptor colorStateDescriptor;
	colorStateDescriptor.nextInChain = nullptr;
	colorStateDescriptor.format = DAWN_TEXTURE_FORMAT_RGBA8_UNORM;
	colorStateDescriptor.alphaBlend = blendDescriptor;
	colorStateDescriptor.colorBlend = blendDescriptor;
	colorStateDescriptor.writeMask = DAWN_COLOR_WRITE_MASK_ALL;

	// Create the input state
	DawnVertexInputDescriptor vertexInput;
	vertexInput.nextInChain = nullptr;
	vertexInput.indexFormat = DAWN_INDEX_FORMAT_UINT32;
	vertexInput.bufferCount = 0;
	vertexInput.buffers = nullptr;

	// Create the rasterization state
	DawnRasterizationStateDescriptor rasterizationState;
	rasterizationState.nextInChain = nullptr;
	rasterizationState.frontFace = DAWN_FRONT_FACE_CCW;
	rasterizationState.cullMode = DAWN_CULL_MODE_NONE;
	rasterizationState.depthBias = 0;
	rasterizationState.depthBiasSlopeScale = 0.0;
	rasterizationState.depthBiasClamp = 0.0;

	// Create the depth-stencil state
	DawnStencilStateFaceDescriptor stencilFace;
	stencilFace.compare = DAWN_COMPARE_FUNCTION_ALWAYS;
	stencilFace.failOp = DAWN_STENCIL_OPERATION_KEEP;
	stencilFace.depthFailOp = DAWN_STENCIL_OPERATION_KEEP;
	stencilFace.passOp = DAWN_STENCIL_OPERATION_KEEP;

	DawnDepthStencilStateDescriptor depthStencilState;
	depthStencilState.nextInChain = nullptr;
	depthStencilState.format = DAWN_TEXTURE_FORMAT_DEPTH24_PLUS_STENCIL8;
	depthStencilState.depthWriteEnabled = false;
	depthStencilState.depthCompare = DAWN_COMPARE_FUNCTION_ALWAYS;
	depthStencilState.stencilBack = stencilFace;
	depthStencilState.stencilFront = stencilFace;
	depthStencilState.stencilReadMask = 0xff;
	depthStencilState.stencilWriteMask = 0xff;

	// Create the pipeline layout
	DawnPipelineLayoutDescriptor layoutDescriptor;
	layoutDescriptor.nextInChain = nullptr;
	layoutDescriptor.bindGroupLayoutCount = 0;
	layoutDescriptor.bindGroupLayouts = nullptr;
	DawnPipelineLayout layout = dawnDeviceCreatePipelineLayout(device, &layoutDescriptor);
	DawnPipelineLayout apiLayout = api.GetNewPipelineLayout();
	EXPECT_CALL(api, DeviceCreatePipelineLayout(apiDevice, _)).WillOnce(Return(apiLayout));

	// Create pipeline
	DawnRenderPipelineDescriptor pipelineDescriptor;
	pipelineDescriptor.nextInChain = nullptr;

	DawnPipelineStageDescriptor vertexStage;
	vertexStage.nextInChain = nullptr;
	vertexStage.module = vsModule;
	vertexStage.entryPoint = "main";
	pipelineDescriptor.vertexStage = &vertexStage;

	DawnPipelineStageDescriptor fragmentStage;
	fragmentStage.nextInChain = nullptr;
	fragmentStage.module = vsModule;
	fragmentStage.entryPoint = "main";
	pipelineDescriptor.fragmentStage = &fragmentStage;

	pipelineDescriptor.colorStateCount = 1;
	DawnColorStateDescriptor* colorStatesPtr[] = {&colorStateDescriptor};
	pipelineDescriptor.colorStates = colorStatesPtr;

	pipelineDescriptor.sampleCount = 1;
	pipelineDescriptor.layout = layout;
	pipelineDescriptor.vertexInput = &vertexInput;
	pipelineDescriptor.primitiveTopology = DAWN_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
	pipelineDescriptor.rasterizationState = &rasterizationState;
	pipelineDescriptor.depthStencilState = &depthStencilState;

	dawnDeviceCreateRenderPipeline(device, &pipelineDescriptor);

	DawnRenderPipeline apiDummyPipeline = api.GetNewRenderPipeline();
	EXPECT_CALL(api,
	DeviceCreateRenderPipeline(
	apiDevice, MatchesLambda([](const DawnRenderPipelineDescriptor* desc) -> bool {
	return desc->vertexStage->entryPoint == std::string("main");
	})))
	.WillOnce(Return(apiDummyPipeline));

	FlushClient();
	}


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

	DawnBufferDescriptor descriptor;
	descriptor.nextInChain = nullptr;
	descriptor.size = 8;
	descriptor.usage = static_cast<DawnBufferUsageBit>(DAWN_BUFFER_USAGE_BIT_COPY_SRC \|
	DAWN_BUFFER_USAGE_BIT_COPY_DST);

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

	dawnCommandEncoderCopyBufferToBuffer(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) {
	DawnCommandBuffer cmdBufs[2];
	DawnCommandBuffer 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) {
	DawnCommandEncoder cmdBufEncoder = dawnDeviceCreateCommandEncoder(device);
	cmdBufs[i] = dawnCommandEncoderFinish(cmdBufEncoder);

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

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

	// Create queue
	DawnQueue queue = dawnDeviceCreateQueue(device);
	DawnQueue apiQueue = api.GetNewQueue();
	EXPECT_CALL(api, DeviceCreateQueue(apiDevice)).WillOnce(Return(apiQueue));

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

	EXPECT_CALL(
	api, QueueSubmit(apiQueue, 2, MatchesLambda([=](const DawnCommandBuffer* 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) {
	DawnSamplerDescriptor descriptor;
	descriptor.nextInChain = nullptr;
	descriptor.magFilter = DAWN_FILTER_MODE_LINEAR;
	descriptor.minFilter = DAWN_FILTER_MODE_NEAREST;
	descriptor.mipmapFilter = DAWN_FILTER_MODE_LINEAR;
	descriptor.addressModeU = DAWN_ADDRESS_MODE_CLAMP_TO_EDGE;
	descriptor.addressModeV = DAWN_ADDRESS_MODE_REPEAT;
	descriptor.addressModeW = DAWN_ADDRESS_MODE_MIRROR_REPEAT;
	descriptor.lodMinClamp = kLodMin;
	descriptor.lodMaxClamp = kLodMax;
	descriptor.compare = DAWN_COMPARE_FUNCTION_NEVER;

	dawnDeviceCreateSampler(device, &descriptor);

	DawnSampler apiDummySampler = api.GetNewSampler();
	EXPECT_CALL(api, DeviceCreateSampler(
	apiDevice, MatchesLambda([](const DawnSamplerDescriptor* desc) -> bool {
	return desc->nextInChain == nullptr &&
	desc->magFilter == DAWN_FILTER_MODE_LINEAR &&
	desc->minFilter == DAWN_FILTER_MODE_NEAREST &&
	desc->mipmapFilter == DAWN_FILTER_MODE_LINEAR &&
	desc->addressModeU == DAWN_ADDRESS_MODE_CLAMP_TO_EDGE &&
	desc->addressModeV == DAWN_ADDRESS_MODE_REPEAT &&
	desc->addressModeW == DAWN_ADDRESS_MODE_MIRROR_REPEAT &&
	desc->compare == DAWN_COMPARE_FUNCTION_NEVER &&
	desc->lodMinClamp == kLodMin && desc->lodMaxClamp == kLodMax;
	})))
	.WillOnce(Return(apiDummySampler));

	FlushClient();
	}

	// Test that the wire is able to send structures that contain objects
	TEST_F(WireArgumentTests, StructureOfObjectArrayArgument) {
	DawnBindGroupLayoutDescriptor bglDescriptor;
	bglDescriptor.nextInChain = nullptr;
	bglDescriptor.bindingCount = 0;
	bglDescriptor.bindings = nullptr;

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

	DawnPipelineLayoutDescriptor descriptor;
	descriptor.nextInChain = nullptr;
	descriptor.bindGroupLayoutCount = 1;
	descriptor.bindGroupLayouts = &bgl;

	dawnDeviceCreatePipelineLayout(device, &descriptor);

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

	FlushClient();
	}

	// Test that the wire is able to send structures that contain objects
	TEST_F(WireArgumentTests, StructureOfStructureArrayArgument) {
	static constexpr int NUM_BINDINGS = 3;
	DawnBindGroupLayoutBinding bindings[NUM_BINDINGS]{
	{0, DAWN_SHADER_STAGE_BIT_VERTEX, DAWN_BINDING_TYPE_SAMPLER},
	{1, DAWN_SHADER_STAGE_BIT_VERTEX, DAWN_BINDING_TYPE_SAMPLED_TEXTURE},
	{2,
	static_cast<DawnShaderStageBit>(DAWN_SHADER_STAGE_BIT_VERTEX \|
	DAWN_SHADER_STAGE_BIT_FRAGMENT),
	DAWN_BINDING_TYPE_UNIFORM_BUFFER},
	};
	DawnBindGroupLayoutDescriptor bglDescriptor;
	bglDescriptor.bindingCount = NUM_BINDINGS;
	bglDescriptor.bindings = bindings;

	dawnDeviceCreateBindGroupLayout(device, &bglDescriptor);
	DawnBindGroupLayout apiBgl = api.GetNewBindGroupLayout();
	EXPECT_CALL(
	api,
	DeviceCreateBindGroupLayout(
	apiDevice, MatchesLambda([bindings](const DawnBindGroupLayoutDescriptor* desc) -> bool {
	for (int i = 0; i < NUM_BINDINGS; ++i) {
	const auto& a = desc->bindings[i];
	const auto& b = bindings[i];
	if (a.binding != b.binding \|\| a.visibility != b.visibility \|\|
	a.type != b.type) {
	return false;
	}
	}
	return desc->nextInChain == nullptr && desc->bindingCount == 3;
	})))
	.WillOnce(Return(apiBgl));

	FlushClient();
	}

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

	DawnPipelineLayoutDescriptor descriptor;
	descriptor.nextInChain = nullptr;
	descriptor.bindGroupLayoutCount = 1;
	descriptor.bindGroupLayouts = &nullBGL;

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

	FlushClient();
	}