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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.
// This file contains test for deprecated parts of Dawn's API while following WebGPU's evolution.
// It contains test for the "old" behavior that will be deleted once users are migrated, tests that
// a deprecation warning is emitted when the "old" behavior is used, and tests that an error is
// emitted when both the old and the new behavior are used (when applicable).
#include "tests/DawnTest.h"
#include "common/Constants.h"
#include "common/VertexFormatUtils.h"
#include "utils/ComboRenderPipelineDescriptor.h"
#include "utils/WGPUHelpers.h"
#include <cmath>
class DeprecationTests : public DawnTest {
protected:
void SetUp() override {
DawnTest::SetUp();
// Skip when validation is off because warnings might be emitted during validation calls
DAWN_TEST_UNSUPPORTED_IF(HasToggleEnabled("skip_validation"));
}
};
// Test that SetBlendColor is deprecated.
TEST_P(DeprecationTests, SetSetBlendColor) {
wgpu::Color blendColor{1.0, 0.0, 0.0, 1.0};
utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, 1, 1);
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo);
EXPECT_DEPRECATION_WARNING(pass.SetBlendColor(&blendColor));
pass.EndPass();
}
// Test that setting attachment rather than view for render pass color and depth/stencil attachments
// is deprecated.
TEST_P(DeprecationTests, SetAttachmentDescriptorAttachment) {
utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, 1, 1);
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
wgpu::RenderPassEncoder pass;
// Check that using .attachment with color attachments gives the warning.
wgpu::RenderPassColorAttachmentDescriptor* colorAttachment =
&renderPass.renderPassInfo.cColorAttachments[0];
colorAttachment->attachment = colorAttachment->view;
colorAttachment->view = nullptr;
EXPECT_DEPRECATION_WARNING(pass = encoder.BeginRenderPass(&renderPass.renderPassInfo));
pass.EndPass();
colorAttachment->view = colorAttachment->attachment;
colorAttachment->attachment = nullptr;
// Check that using .attachment with depth/stencil attachments gives the warning.
wgpu::TextureDescriptor descriptor;
descriptor.dimension = wgpu::TextureDimension::e2D;
descriptor.size = {1, 1, 1};
descriptor.sampleCount = 1;
descriptor.format = wgpu::TextureFormat::Depth24PlusStencil8;
descriptor.mipLevelCount = 1;
descriptor.usage = wgpu::TextureUsage::RenderAttachment;
wgpu::Texture depthStencil = device.CreateTexture(&descriptor);
wgpu::RenderPassDepthStencilAttachmentDescriptor* depthAttachment =
&renderPass.renderPassInfo.cDepthStencilAttachmentInfo;
renderPass.renderPassInfo.depthStencilAttachment = depthAttachment;
depthAttachment->attachment = depthStencil.CreateView();
EXPECT_DEPRECATION_WARNING(pass = encoder.BeginRenderPass(&renderPass.renderPassInfo));
pass.EndPass();
}
// Test that setting computeStage in a ComputePipelineDescriptor is deprecated.
TEST_P(DeprecationTests, ComputeStage) {
wgpu::ComputePipelineDescriptor csDesc;
csDesc.computeStage.module = utils::CreateShaderModule(device, R"(
[[stage(compute)]] fn main() {
})");
csDesc.computeStage.entryPoint = "main";
wgpu::ComputePipeline pipeline;
EXPECT_DEPRECATION_WARNING(pipeline = device.CreateComputePipeline(&csDesc));
}
DAWN_INSTANTIATE_TEST(DeprecationTests,
D3D12Backend(),
MetalBackend(),
NullBackend(),
OpenGLBackend(),
OpenGLESBackend(),
VulkanBackend());
class ImageCopyBufferDeprecationTests : public DeprecationTests {
protected:
wgpu::ImageCopyTexture MakeImageCopyTexture() {
wgpu::TextureDescriptor desc = {};
desc.usage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst;
desc.dimension = wgpu::TextureDimension::e2D;
desc.size = {1, 1, 2};
desc.format = wgpu::TextureFormat::RGBA8Unorm;
wgpu::ImageCopyTexture copy;
copy.texture = device.CreateTexture(&desc);
copy.origin = {0, 0, 1};
return copy;
}
wgpu::Extent3D copySize = {1, 1, 1};
};
// Tests that deprecated blend factors properly raise a deprecation warning when used
class BlendFactorDeprecationTests : public DeprecationTests {
protected:
// Runs the test
void DoTest(const wgpu::BlendFactor blendFactor, bool deprecated) {
wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"(
[[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> {
return vec4<f32>(0.0, 0.0, 0.0, 1.0);
}
)");
wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, R"(
[[stage(fragment)]] fn main() -> [[location(0)]] vec4<f32> {
return vec4<f32>(1.0, 1.0, 1.0, 1.0);
}
)");
utils::ComboRenderPipelineDescriptor descriptor;
descriptor.vertex.module = vsModule;
descriptor.cFragment.module = fsModule;
descriptor.cTargets[0].blend = &descriptor.cBlends[0];
descriptor.cBlends[0].color.srcFactor = blendFactor;
if (deprecated) {
EXPECT_DEPRECATION_WARNING(device.CreateRenderPipeline(&descriptor));
} else {
device.CreateRenderPipeline(&descriptor);
}
descriptor.cBlends[0].color.srcFactor = wgpu::BlendFactor::One;
descriptor.cBlends[0].color.dstFactor = blendFactor;
if (deprecated) {
EXPECT_DEPRECATION_WARNING(device.CreateRenderPipeline(&descriptor));
} else {
device.CreateRenderPipeline(&descriptor);
}
descriptor.cBlends[0].color.dstFactor = wgpu::BlendFactor::Zero;
descriptor.cBlends[0].alpha.srcFactor = blendFactor;
if (deprecated) {
EXPECT_DEPRECATION_WARNING(device.CreateRenderPipeline(&descriptor));
} else {
device.CreateRenderPipeline(&descriptor);
}
descriptor.cBlends[0].alpha.srcFactor = wgpu::BlendFactor::One;
descriptor.cBlends[0].alpha.dstFactor = blendFactor;
if (deprecated) {
EXPECT_DEPRECATION_WARNING(device.CreateRenderPipeline(&descriptor));
} else {
device.CreateRenderPipeline(&descriptor);
}
descriptor.cBlends[0].alpha.dstFactor = wgpu::BlendFactor::Zero;
}
};
static constexpr std::array<wgpu::BlendFactor, 13> kBlendFactors = {
wgpu::BlendFactor::Zero,
wgpu::BlendFactor::One,
wgpu::BlendFactor::Src,
wgpu::BlendFactor::OneMinusSrc,
wgpu::BlendFactor::SrcAlpha,
wgpu::BlendFactor::OneMinusSrcAlpha,
wgpu::BlendFactor::Dst,
wgpu::BlendFactor::OneMinusDst,
wgpu::BlendFactor::DstAlpha,
wgpu::BlendFactor::OneMinusDstAlpha,
wgpu::BlendFactor::SrcAlphaSaturated,
wgpu::BlendFactor::Constant,
wgpu::BlendFactor::OneMinusConstant,
};
TEST_P(BlendFactorDeprecationTests, CurrentBlendFactors) {
// Using the new blend factors does not emit a warning.
for (auto& format : kBlendFactors) {
DoTest(format, false);
}
}
static constexpr std::array<wgpu::BlendFactor, 6> kDeprecatedBlendFactors = {
wgpu::BlendFactor::SrcColor, wgpu::BlendFactor::OneMinusSrcColor,
wgpu::BlendFactor::DstColor, wgpu::BlendFactor::OneMinusDstColor,
wgpu::BlendFactor::BlendColor, wgpu::BlendFactor::OneMinusBlendColor,
};
TEST_P(BlendFactorDeprecationTests, DeprecatedBlendFactors) {
// Using deprecated blend factors does emit a warning.
for (auto& format : kDeprecatedBlendFactors) {
DoTest(format, true);
}
}
DAWN_INSTANTIATE_TEST(BlendFactorDeprecationTests,
D3D12Backend(),
MetalBackend(),
NullBackend(),
OpenGLBackend(),
OpenGLESBackend(),
VulkanBackend());