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// 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 "dawn/tests/unittests/wire/WireTest.h"
namespace dawn::wire {
namespace {
using testing::_;
using testing::Return;
class WireOptionalTests : public WireTest {
public:
WireOptionalTests() {}
~WireOptionalTests() override = default;
};
// Test passing nullptr instead of objects - object as value version
TEST_F(WireOptionalTests, OptionalObjectValue) {
WGPUBindGroupLayoutDescriptor bglDesc = {};
bglDesc.entryCount = 0;
WGPUBindGroupLayout bgl = wgpuDeviceCreateBindGroupLayout(device, &bglDesc);
WGPUBindGroupLayout apiBindGroupLayout = api.GetNewBindGroupLayout();
EXPECT_CALL(api, DeviceCreateBindGroupLayout(apiDevice, _))
.WillOnce(Return(apiBindGroupLayout));
// The `sampler`, `textureView` and `buffer` members of a binding are optional.
WGPUBindGroupEntry entry;
entry.binding = 0;
entry.sampler = nullptr;
entry.textureView = nullptr;
entry.buffer = nullptr;
entry.nextInChain = nullptr;
WGPUBindGroupDescriptor bgDesc = {};
bgDesc.layout = bgl;
bgDesc.entryCount = 1;
bgDesc.entries = &entry;
wgpuDeviceCreateBindGroup(device, &bgDesc);
WGPUBindGroup apiPlaceholderBindGroup = api.GetNewBindGroup();
EXPECT_CALL(api, DeviceCreateBindGroup(
apiDevice, MatchesLambda([](const WGPUBindGroupDescriptor* desc) -> bool {
return desc->nextInChain == nullptr && desc->entryCount == 1 &&
desc->entries[0].binding == 0 &&
desc->entries[0].sampler == nullptr &&
desc->entries[0].buffer == nullptr &&
desc->entries[0].textureView == nullptr;
})))
.WillOnce(Return(apiPlaceholderBindGroup));
FlushClient();
}
// Test that the wire is able to send optional pointers to structures
TEST_F(WireOptionalTests, OptionalStructPointer) {
// 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;
// First case: depthStencil is not null.
pipelineDescriptor.depthStencil = &depthStencilState;
wgpuDeviceCreateRenderPipeline(device, &pipelineDescriptor);
WGPURenderPipeline apiPlaceholderPipeline = api.GetNewRenderPipeline();
EXPECT_CALL(
api,
DeviceCreateRenderPipeline(
apiDevice, MatchesLambda([](const WGPURenderPipelineDescriptor* desc) -> bool {
return desc->depthStencil != nullptr &&
desc->depthStencil->nextInChain == nullptr &&
desc->depthStencil->depthWriteEnabled == false &&
desc->depthStencil->depthCompare == WGPUCompareFunction_Always &&
desc->depthStencil->stencilBack.compare == WGPUCompareFunction_Always &&
desc->depthStencil->stencilBack.failOp == WGPUStencilOperation_Keep &&
desc->depthStencil->stencilBack.depthFailOp == WGPUStencilOperation_Keep &&
desc->depthStencil->stencilBack.passOp == WGPUStencilOperation_Keep &&
desc->depthStencil->stencilFront.compare == WGPUCompareFunction_Always &&
desc->depthStencil->stencilFront.failOp == WGPUStencilOperation_Keep &&
desc->depthStencil->stencilFront.depthFailOp == WGPUStencilOperation_Keep &&
desc->depthStencil->stencilFront.passOp == WGPUStencilOperation_Keep &&
desc->depthStencil->stencilReadMask == 0xff &&
desc->depthStencil->stencilWriteMask == 0xff &&
desc->depthStencil->depthBias == 0 &&
desc->depthStencil->depthBiasSlopeScale == 0.0 &&
desc->depthStencil->depthBiasClamp == 0.0;
})))
.WillOnce(Return(apiPlaceholderPipeline));
FlushClient();
// Second case: depthStencil is null.
pipelineDescriptor.depthStencil = nullptr;
wgpuDeviceCreateRenderPipeline(device, &pipelineDescriptor);
EXPECT_CALL(api,
DeviceCreateRenderPipeline(
apiDevice, MatchesLambda([](const WGPURenderPipelineDescriptor* desc) -> bool {
return desc->depthStencil == nullptr;
})))
.WillOnce(Return(apiPlaceholderPipeline));
FlushClient();
}
} // anonymous namespace
} // namespace dawn::wire