Remove SPIRV-Cross support from Vulkan backend.

Bug: dawn:1036

Change-Id: I463d067af03fbcd732402fd0e0cc7045669e13b6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/61220
Commit-Queue: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>

src/dawn_native/Device.cpp

@@ -134,14 +134,14 @@ namespace dawn_native {
 
         mFormatTable = BuildFormatTable(this);
         SetDefaultToggles();
-#if defined(DAWN_PLATFORM_MACOS)
+        if ((adapter->GetBackendType() == wgpu::BackendType::Metal ||
-        if (!IsToggleEnabled(Toggle::UseTintGenerator)) {
+             adapter->GetBackendType() == wgpu::BackendType::Vulkan) &&
+            !IsToggleEnabled(Toggle::UseTintGenerator)) {
             EmitLog(
                 WGPULoggingType_Warning,
-                "Non-tint generator is not available on this platform; toggle disable ignored.\n");
+                "Non-tint generator is not available on this backend; toggle disable ignored.\n");
             ForceSetToggle(Toggle::UseTintGenerator, true);
         }
-#endif
     }
 
     DeviceBase::~DeviceBase() = default;

src/dawn_native/metal/DeviceMTL.mm

@@ -192,7 +192,7 @@ namespace dawn_native { namespace metal {
 
         // Vertex buffer robustness is implemented by using programmable vertex pulling. Enable
         // that code path if it isn't explicitly disabled.
-        if (IsToggleEnabled(Toggle::UseTintGenerator) && IsRobustnessEnabled()) {
+        if (IsRobustnessEnabled()) {
             SetToggle(Toggle::MetalEnableVertexPulling, true);
         }
 

src/dawn_native/opengl/ShaderModuleGL.cpp

@@ -83,10 +83,8 @@ namespace dawn_native { namespace opengl {
         DAWN_TRY(InitializeBase(parseResult));
         // Tint currently does not support emitting GLSL, so when provided a Tint program need to
         // generate SPIRV and SPIRV-Cross reflection data to be used in this backend.
-        if (GetDevice()->IsToggleEnabled(Toggle::UseTintGenerator)) {
         tint::writer::spirv::Options options;
-            options.disable_workgroup_init =
+        options.disable_workgroup_init = GetDevice()->IsToggleEnabled(Toggle::DisableWorkgroupInit);
-                GetDevice()->IsToggleEnabled(Toggle::DisableWorkgroupInit);
         auto result = tint::writer::spirv::Generate(GetTintProgram(), options);
         if (!result.success) {
             std::ostringstream errorStream;
@@ -94,9 +92,7 @@ namespace dawn_native { namespace opengl {
             return DAWN_VALIDATION_ERROR(errorStream.str().c_str());
         }
 
-            DAWN_TRY_ASSIGN(mGLEntryPoints,
+        DAWN_TRY_ASSIGN(mGLEntryPoints, ReflectShaderUsingSPIRVCross(GetDevice(), result.spirv));
-                            ReflectShaderUsingSPIRVCross(GetDevice(), result.spirv));
-        }
 
         return {};
     }
@@ -126,7 +122,6 @@ namespace dawn_native { namespace opengl {
         options.version = version.GetMajor() * 100 + version.GetMinor() * 10;
 
         std::vector<uint32_t> spirv;
-        if (GetDevice()->IsToggleEnabled(Toggle::UseTintGenerator)) {
         tint::transform::SingleEntryPoint singleEntryPointTransform;
 
         tint::transform::DataMap transformInputs;
@@ -136,10 +131,10 @@ namespace dawn_native { namespace opengl {
         DAWN_TRY_ASSIGN(program, RunTransforms(&singleEntryPointTransform, GetTintProgram(),
                                                transformInputs, nullptr, nullptr));
 
-            tint::writer::spirv::Options options;
+        tint::writer::spirv::Options tintOptions;
-            options.disable_workgroup_init =
+        tintOptions.disable_workgroup_init =
             GetDevice()->IsToggleEnabled(Toggle::DisableWorkgroupInit);
-            auto result = tint::writer::spirv::Generate(&program, options);
+        auto result = tint::writer::spirv::Generate(&program, tintOptions);
         if (!result.success) {
             std::ostringstream errorStream;
             errorStream << "Generator: " << result.error << std::endl;
@@ -147,9 +142,6 @@ namespace dawn_native { namespace opengl {
         }
 
         spirv = std::move(result.spirv);
-        } else {
-            spirv = GetSpirv();
-        }
 
         if (GetDevice()->IsToggleEnabled(Toggle::DumpShaders)) {
             spvtools::SpirvTools spirvTools(SPV_ENV_VULKAN_1_1);
@@ -204,9 +196,7 @@ namespace dawn_native { namespace opengl {
         }
 
         const EntryPointMetadata::BindingInfoArray& bindingInfo =
-            GetDevice()->IsToggleEnabled(Toggle::UseTintGenerator)
+            (*mGLEntryPoints.at(entryPointName)).bindings;
-                ? (*mGLEntryPoints.at(entryPointName)).bindings
-                : GetEntryPoint(entryPointName).bindings;
 
         // Change binding names to be "dawn_binding_<group>_<binding>".
         // Also unsets the SPIRV "Binding" decoration as it outputs "layout(binding=)" which

src/dawn_native/vulkan/BindGroupLayoutVk.cpp

@@ -91,16 +91,12 @@ namespace dawn_native { namespace vulkan {
         ityp::vector<BindingIndex, VkDescriptorSetLayoutBinding> bindings;
         bindings.reserve(GetBindingCount());
 
-        bool useBindingIndex = GetDevice()->IsToggleEnabled(Toggle::UseTintGenerator);
-
         for (const auto& it : GetBindingMap()) {
-            BindingNumber bindingNumber = it.first;
             BindingIndex bindingIndex = it.second;
             const BindingInfo& bindingInfo = GetBindingInfo(bindingIndex);
 
             VkDescriptorSetLayoutBinding vkBinding;
-            vkBinding.binding = useBindingIndex ? static_cast<uint32_t>(bindingIndex)
+            vkBinding.binding = static_cast<uint32_t>(bindingIndex);
-                                                : static_cast<uint32_t>(bindingNumber);
             // TODO(dawn:728) In the future, special handling will be needed for external textures
             // here because they encompass multiple views.
             vkBinding.descriptorType = VulkanDescriptorType(bindingInfo);

src/dawn_native/vulkan/BindGroupLayoutVk.h

@@ -43,10 +43,6 @@ namespace dawn_native { namespace vulkan {
     // the pools are reused when no longer used. Minimizing the number of descriptor pool allocation
     // is important because creating them can incur GPU memory allocation which is usually an
     // expensive syscall.
-    //
-    // The Vulkan BindGroupLayout is dependent on UseTintGenerator or not.
-    // When UseTintGenerator is on, VkDescriptorSetLayoutBinding::binding is set to BindingIndex,
-    // otherwise it is set to BindingNumber.
     class BindGroupLayout final : public BindGroupLayoutBase {
       public:
         static ResultOrError<Ref<BindGroupLayout>> Create(

src/dawn_native/vulkan/BindGroupVk.cpp

@@ -48,11 +48,8 @@ namespace dawn_native { namespace vulkan {
         ityp::stack_vec<uint32_t, VkDescriptorImageInfo, kMaxOptimalBindingsPerGroup>
             writeImageInfo(bindingCount);
 
-        bool useBindingIndex = device->IsToggleEnabled(Toggle::UseTintGenerator);
-
         uint32_t numWrites = 0;
         for (const auto& it : GetLayout()->GetBindingMap()) {
-            BindingNumber bindingNumber = it.first;
             BindingIndex bindingIndex = it.second;
             const BindingInfo& bindingInfo = GetLayout()->GetBindingInfo(bindingIndex);
 
@@ -60,8 +57,7 @@ namespace dawn_native { namespace vulkan {
             write.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
             write.pNext = nullptr;
             write.dstSet = GetHandle();
-            write.dstBinding = useBindingIndex ? static_cast<uint32_t>(bindingIndex)
+            write.dstBinding = static_cast<uint32_t>(bindingIndex);
-                                               : static_cast<uint32_t>(bindingNumber);
             write.dstArrayElement = 0;
             write.descriptorCount = 1;
             write.descriptorType = VulkanDescriptorType(bindingInfo);

src/dawn_native/vulkan/BindGroupVk.h

@@ -26,9 +26,6 @@ namespace dawn_native { namespace vulkan {
 
     class Device;
 
-    // The Vulkan BindGroup is dependent on UseTintGenerator or not.
-    // When UseTintGenerator is on, VkWriteDescriptorSet::dstBinding is set to BindingIndex,
-    // otherwise it is set to BindingNumber.
     class BindGroup final : public BindGroupBase, public PlacementAllocated {
       public:
         static ResultOrError<Ref<BindGroup>> Create(Device* device,

src/dawn_native/vulkan/ComputePipelineVk.cpp

@@ -46,15 +46,11 @@ namespace dawn_native { namespace vulkan {
         createInfo.stage.pNext = nullptr;
         createInfo.stage.flags = 0;
         createInfo.stage.stage = VK_SHADER_STAGE_COMPUTE_BIT;
-        if (GetDevice()->IsToggleEnabled(Toggle::UseTintGenerator)) {
         // Generate a new VkShaderModule with BindingRemapper tint transform for each pipeline
         DAWN_TRY_ASSIGN(createInfo.stage.module,
                         ToBackend(descriptor->compute.module)
                             ->GetTransformedModuleHandle(descriptor->compute.entryPoint,
                                                          ToBackend(GetLayout())));
-        } else {
-            createInfo.stage.module = ToBackend(descriptor->compute.module)->GetHandle();
-        }
         createInfo.stage.pName = descriptor->compute.entryPoint;
         createInfo.stage.pSpecializationInfo = nullptr;
 

src/dawn_native/vulkan/RenderPipelineVk.cpp

@@ -341,7 +341,6 @@ namespace dawn_native { namespace vulkan {
 
         VkPipelineShaderStageCreateInfo shaderStages[2];
         {
-            if (device->IsToggleEnabled(Toggle::UseTintGenerator)) {
             // Generate a new VkShaderModule with BindingRemapper tint transform for each
             // pipeline
             DAWN_TRY_ASSIGN(shaderStages[0].module,
@@ -352,11 +351,6 @@ namespace dawn_native { namespace vulkan {
                             ToBackend(descriptor->fragment->module)
                                 ->GetTransformedModuleHandle(descriptor->fragment->entryPoint,
                                                              ToBackend(GetLayout())));
-            } else {
-                shaderStages[0].module = ToBackend(descriptor->vertex.module)->GetHandle();
-                shaderStages[1].module = ToBackend(descriptor->fragment->module)->GetHandle();
-            }
-
             shaderStages[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
             shaderStages[0].pNext = nullptr;
             shaderStages[0].flags = 0;

src/dawn_native/vulkan/ShaderModuleVk.cpp

@@ -21,12 +21,6 @@
 #include "dawn_native/vulkan/PipelineLayoutVk.h"
 #include "dawn_native/vulkan/VulkanError.h"
 
-#include <spirv_cross.hpp>
-
-// Tint include must be after spirv_hlsl.hpp, because spirv-cross has its own
-// version of spirv_headers. We also need to undef SPV_REVISION because SPIRV-Cross
-// is at 3 while spirv-headers is at 4.
-#undef SPV_REVISION
 #include <tint/tint.h>
 
 namespace dawn_native { namespace vulkan {
@@ -89,7 +83,6 @@ namespace dawn_native { namespace vulkan {
 
         ScopedTintICEHandler scopedICEHandler(GetDevice());
 
-        if (GetDevice()->IsToggleEnabled(Toggle::UseTintGenerator)) {
         std::ostringstream errorStream;
         errorStream << "Tint SPIR-V writer failure:" << std::endl;
 
@@ -101,14 +94,12 @@ namespace dawn_native { namespace vulkan {
         tint::transform::DataMap transformInputs;
 
         tint::Program program;
-            DAWN_TRY_ASSIGN(program,
+        DAWN_TRY_ASSIGN(program, RunTransforms(&transformManager, parseResult->tintProgram.get(),
-                            RunTransforms(&transformManager, parseResult->tintProgram.get(),
                                                transformInputs, nullptr, nullptr));
 
         tint::writer::spirv::Options options;
         options.emit_vertex_point_size = true;
-            options.disable_workgroup_init =
+        options.disable_workgroup_init = GetDevice()->IsToggleEnabled(Toggle::DisableWorkgroupInit);
-                GetDevice()->IsToggleEnabled(Toggle::DisableWorkgroupInit);
         auto result = tint::writer::spirv::Generate(&program, options);
         if (!result.success) {
             errorStream << "Generator: " << result.error << std::endl;
@@ -120,13 +111,8 @@ namespace dawn_native { namespace vulkan {
 
         // Rather than use a new ParseResult object, we just reuse the original parseResult
         parseResult->tintProgram = std::make_unique<tint::Program>(std::move(program));
-            parseResult->spirv = spirv;
 
         DAWN_TRY(InitializeBase(parseResult));
-        } else {
-            DAWN_TRY(InitializeBase(parseResult));
-            spirvPtr = &GetSpirv();
-        }
 
         VkShaderModuleCreateInfo createInfo;
         createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
@@ -151,18 +137,11 @@ namespace dawn_native { namespace vulkan {
         }
     }
 
-    VkShaderModule ShaderModule::GetHandle() const {
-        ASSERT(!GetDevice()->IsToggleEnabled(Toggle::UseTintGenerator));
-        return mHandle;
-    }
-
     ResultOrError<VkShaderModule> ShaderModule::GetTransformedModuleHandle(
         const char* entryPointName,
         PipelineLayout* layout) {
         ScopedTintICEHandler scopedICEHandler(GetDevice());
 
-        ASSERT(GetDevice()->IsToggleEnabled(Toggle::UseTintGenerator));
-
         auto cacheKey = std::make_pair(layout, entryPointName);
         VkShaderModule cachedShaderModule =
             mTransformedShaderModuleCache.FindShaderModule(cacheKey);

src/dawn_native/vulkan/ShaderModuleVk.h

@@ -33,9 +33,6 @@ namespace dawn_native { namespace vulkan {
                                                        const ShaderModuleDescriptor* descriptor,
                                                        ShaderModuleParseResult* parseResult);
 
-        VkShaderModule GetHandle() const;
-
-        // This is only called when UseTintGenerator is on
         ResultOrError<VkShaderModule> GetTransformedModuleHandle(const char* entryPointName,
                                                                  PipelineLayout* layout);