# Copyright 2018 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.

import("scripts/dawn_overrides_with_defaults.gni")
import("scripts/dawn_features.gni")
import("//build_overrides/build.gni")
import("generator/dawn_generator.gni")

# Use Chromium's dcheck_always_on when available so that we respect it when
# running tests on the GPU builders
if (build_with_chromium) {
  import("//build/config/dcheck_always_on.gni")
} else {
  dcheck_always_on = false
}

###############################################################################
# Common dawn libraries and configs
###############################################################################

config("libdawn_public") {
  include_dirs = [
    target_gen_dir,
    "src/include",
  ]
}

# Executable needs an rpath to find our shared libraries on OSX and Linux
config("dawn_shared_library_public") {
  if (is_mac) {
    ldflags = [
      "-rpath",
      "@executable_path/",
    ]
  }

  if (is_linux) {
    configs = [ "//build/config/gcc:rpath_for_built_shared_libraries" ]
  }
}

config("dawn_internal") {
  include_dirs = [ "src" ]

  defines = []
  if (dawn_always_assert || dcheck_always_on || is_debug) {
    defines += [ "DAWN_ENABLE_ASSERTS" ]
  }

  if (dawn_enable_d3d12) {
    defines += [ "DAWN_ENABLE_BACKEND_D3D12" ]
  }
  if (dawn_enable_metal) {
    defines += [ "DAWN_ENABLE_BACKEND_METAL" ]
  }
  if (dawn_enable_null) {
    defines += [ "DAWN_ENABLE_BACKEND_NULL" ]
  }
  if (dawn_enable_opengl) {
    defines += [ "DAWN_ENABLE_BACKEND_OPENGL" ]
  }
  if (dawn_enable_vulkan) {
    defines += [ "DAWN_ENABLE_BACKEND_VULKAN" ]
  }

  configs = [
    ":libdawn_public",
    ":dawn_shared_library_public",
  ]

  # Only internal Dawn targets can use this config, this means only targets in
  # this BUILD.gn file.
  visibility = [ ":*" ]
}

static_library("dawn_common") {
  sources = [
    "src/common/Assert.cpp",
    "src/common/Assert.h",
    "src/common/BitSetIterator.h",
    "src/common/Compiler.h",
    "src/common/DynamicLib.cpp",
    "src/common/DynamicLib.h",
    "src/common/HashUtils.h",
    "src/common/Math.cpp",
    "src/common/Math.h",
    "src/common/Platform.h",
    "src/common/Result.h",
    "src/common/Serial.h",
    "src/common/SerialMap.h",
    "src/common/SerialQueue.h",
    "src/common/SerialStorage.h",
    "src/common/SwapChainUtils.h",
    "src/common/vulkan_platform.h",
    "src/common/windows_with_undefs.h",
  ]

  configs += [ ":dawn_internal" ]
  deps = [
    ":dawn_headers",
  ]
}

###############################################################################
# Dawn headers and libdawn.so
###############################################################################

dawn_generator("dawn_headers_gen") {
  target = "dawn_headers"
  outputs = [
    "dawn/dawncpp.h",
    "dawn/dawn.h",
    "dawn/dawncpp_traits.h",
  ]
}

source_set("dawn_headers") {
  public_configs = [ ":libdawn_public" ]
  deps = [
    ":dawn_headers_gen",
  ]

  sources = get_target_outputs(":dawn_headers_gen")
  sources += [
    "src/include/dawn/EnumClassBitmasks.h",
    "src/include/dawn/dawn_export.h",
    "src/include/dawn/dawn_wsi.h",
  ]
}

dawn_generator("libdawn_gen") {
  target = "libdawn"
  outputs = [
    "dawn/dawncpp.cpp",
    "dawn/dawn.c",
  ]
}

config("libdawn_export") {
  defines = [ "DAWN_IMPLEMENTATION" ]
}

source_set("libdawn_sources") {
  public_deps = [
    ":dawn_headers",
  ]

  deps = [
    ":libdawn_gen",
  ]
  sources = get_target_outputs(":libdawn_gen")

  # Put the export config public so that dependents use the same declspec.
  public_configs = [ ":libdawn_export" ]
}

shared_library("libdawn") {
  public_deps = [
    ":dawn_headers",
  ]

  deps = [
    ":libdawn_sources",
  ]

  # Tell dependents where to find this shared library
  if (is_mac) {
    ldflags = [
      "-install_name",
      "@rpath/${target_name}.dylib",
    ]
  }
}

###############################################################################
# libdawn_native.so
###############################################################################

config("libdawn_native_internal") {
  configs = [ ":dawn_internal" ]

  # Suppress warnings that Metal isn't in the deployment target of Chrome
  if (is_mac) {
    cflags_objcc = [ "-Wno-unguarded-availability" ]
  }
}

config("libdawn_native_export") {
  defines = [ "DAWN_NATIVE_IMPLEMENTATION" ]
}

dawn_generator("libdawn_native_utils_gen") {
  target = "dawn_native_utils"
  outputs = [
    "dawn_native/ProcTable.cpp",
    "dawn_native/dawn_structs_autogen.h",
    "dawn_native/dawn_structs_autogen.cpp",
    "dawn_native/ValidationUtils_autogen.h",
    "dawn_native/ValidationUtils_autogen.cpp",
  ]
}

# Public libdawn_native headers so they can be publically visible for
# dependencies of libdawn_native
source_set("libdawn_native_headers") {
  public_deps = [
    ":dawn_headers",
  ]
  sources = [
    "src/include/dawn_native/DawnNative.h",
    "src/include/dawn_native/dawn_native_export.h",

    # Include all backend's public headers so that dependencies can include
    # them even when the backends are disabled.
    "src/include/dawn_native/D3D12Backend.h",
    "src/include/dawn_native/MetalBackend.h",
    "src/include/dawn_native/NullBackend.h",
    "src/include/dawn_native/OpenGLBackend.h",
    "src/include/dawn_native/VulkanBackend.h",
  ]
}

# The meat of the compilation for libdawn_native so that we can cheaply have
# shared_library / static_library / component versions of it.
source_set("libdawn_native_sources") {
  deps = [
    ":dawn_common",
    ":libdawn_native_utils_gen",
    "${dawn_spirv_tools_dir}:spvtools_val",
    "third_party:spirv_cross",
  ]
  public_deps = [
    ":libdawn_native_headers",
  ]

  # Put the export config public so that dependents use the same declspec.
  public_configs = [ ":libdawn_native_export" ]

  configs += [ ":libdawn_native_internal" ]
  libs = []

  sources = get_target_outputs(":libdawn_native_utils_gen")
  sources += [
    "src/dawn_native/BindGroup.cpp",
    "src/dawn_native/BindGroup.h",
    "src/dawn_native/BindGroupLayout.cpp",
    "src/dawn_native/BindGroupLayout.h",
    "src/dawn_native/BlendState.cpp",
    "src/dawn_native/BlendState.h",
    "src/dawn_native/Buffer.cpp",
    "src/dawn_native/Buffer.h",
    "src/dawn_native/Builder.cpp",
    "src/dawn_native/Builder.h",
    "src/dawn_native/CommandAllocator.cpp",
    "src/dawn_native/CommandAllocator.h",
    "src/dawn_native/CommandBuffer.cpp",
    "src/dawn_native/CommandBuffer.h",
    "src/dawn_native/CommandBufferStateTracker.cpp",
    "src/dawn_native/CommandBufferStateTracker.h",
    "src/dawn_native/Commands.cpp",
    "src/dawn_native/Commands.h",
    "src/dawn_native/ComputePassEncoder.cpp",
    "src/dawn_native/ComputePassEncoder.h",
    "src/dawn_native/ComputePipeline.cpp",
    "src/dawn_native/ComputePipeline.h",
    "src/dawn_native/DawnNative.cpp",
    "src/dawn_native/DepthStencilState.cpp",
    "src/dawn_native/DepthStencilState.h",
    "src/dawn_native/Device.cpp",
    "src/dawn_native/Device.h",
    "src/dawn_native/Error.cpp",
    "src/dawn_native/Error.h",
    "src/dawn_native/ErrorData.cpp",
    "src/dawn_native/ErrorData.h",
    "src/dawn_native/Fence.cpp",
    "src/dawn_native/Fence.h",
    "src/dawn_native/FenceSignalTracker.cpp",
    "src/dawn_native/FenceSignalTracker.h",
    "src/dawn_native/Forward.h",
    "src/dawn_native/InputState.cpp",
    "src/dawn_native/InputState.h",
    "src/dawn_native/ObjectBase.cpp",
    "src/dawn_native/ObjectBase.h",
    "src/dawn_native/PassResourceUsage.h",
    "src/dawn_native/PerStage.cpp",
    "src/dawn_native/PerStage.h",
    "src/dawn_native/Pipeline.cpp",
    "src/dawn_native/Pipeline.h",
    "src/dawn_native/PipelineLayout.cpp",
    "src/dawn_native/PipelineLayout.h",
    "src/dawn_native/ProgrammablePassEncoder.cpp",
    "src/dawn_native/ProgrammablePassEncoder.h",
    "src/dawn_native/Queue.cpp",
    "src/dawn_native/Queue.h",
    "src/dawn_native/RefCounted.cpp",
    "src/dawn_native/RefCounted.h",
    "src/dawn_native/RenderPassDescriptor.cpp",
    "src/dawn_native/RenderPassDescriptor.h",
    "src/dawn_native/RenderPassEncoder.cpp",
    "src/dawn_native/RenderPassEncoder.h",
    "src/dawn_native/RenderPipeline.cpp",
    "src/dawn_native/RenderPipeline.h",
    "src/dawn_native/Sampler.cpp",
    "src/dawn_native/Sampler.h",
    "src/dawn_native/ShaderModule.cpp",
    "src/dawn_native/ShaderModule.h",
    "src/dawn_native/SwapChain.cpp",
    "src/dawn_native/SwapChain.h",
    "src/dawn_native/Texture.cpp",
    "src/dawn_native/Texture.h",
    "src/dawn_native/ToBackend.h",
    "src/dawn_native/dawn_platform.h",
  ]

  if (dawn_enable_d3d12) {
    libs += [ "dxguid.lib" ]
    sources += [
      "src/dawn_native/d3d12/BindGroupD3D12.cpp",
      "src/dawn_native/d3d12/BindGroupD3D12.h",
      "src/dawn_native/d3d12/BindGroupLayoutD3D12.cpp",
      "src/dawn_native/d3d12/BindGroupLayoutD3D12.h",
      "src/dawn_native/d3d12/BlendStateD3D12.cpp",
      "src/dawn_native/d3d12/BlendStateD3D12.h",
      "src/dawn_native/d3d12/BufferD3D12.cpp",
      "src/dawn_native/d3d12/BufferD3D12.h",
      "src/dawn_native/d3d12/CommandAllocatorManager.cpp",
      "src/dawn_native/d3d12/CommandAllocatorManager.h",
      "src/dawn_native/d3d12/CommandBufferD3D12.cpp",
      "src/dawn_native/d3d12/CommandBufferD3D12.h",
      "src/dawn_native/d3d12/ComputePipelineD3D12.cpp",
      "src/dawn_native/d3d12/ComputePipelineD3D12.h",
      "src/dawn_native/d3d12/DepthStencilStateD3D12.cpp",
      "src/dawn_native/d3d12/DepthStencilStateD3D12.h",
      "src/dawn_native/d3d12/DescriptorHeapAllocator.cpp",
      "src/dawn_native/d3d12/DescriptorHeapAllocator.h",
      "src/dawn_native/d3d12/DeviceD3D12.cpp",
      "src/dawn_native/d3d12/DeviceD3D12.h",
      "src/dawn_native/d3d12/Forward.h",
      "src/dawn_native/d3d12/InputStateD3D12.cpp",
      "src/dawn_native/d3d12/InputStateD3D12.h",
      "src/dawn_native/d3d12/NativeSwapChainImplD3D12.cpp",
      "src/dawn_native/d3d12/NativeSwapChainImplD3D12.h",
      "src/dawn_native/d3d12/PipelineLayoutD3D12.cpp",
      "src/dawn_native/d3d12/PipelineLayoutD3D12.h",
      "src/dawn_native/d3d12/PlatformFunctions.cpp",
      "src/dawn_native/d3d12/PlatformFunctions.h",
      "src/dawn_native/d3d12/QueueD3D12.cpp",
      "src/dawn_native/d3d12/QueueD3D12.h",
      "src/dawn_native/d3d12/RenderPassDescriptorD3D12.cpp",
      "src/dawn_native/d3d12/RenderPassDescriptorD3D12.h",
      "src/dawn_native/d3d12/RenderPipelineD3D12.cpp",
      "src/dawn_native/d3d12/RenderPipelineD3D12.h",
      "src/dawn_native/d3d12/ResourceAllocator.cpp",
      "src/dawn_native/d3d12/ResourceAllocator.h",
      "src/dawn_native/d3d12/ResourceUploader.cpp",
      "src/dawn_native/d3d12/ResourceUploader.h",
      "src/dawn_native/d3d12/SamplerD3D12.cpp",
      "src/dawn_native/d3d12/SamplerD3D12.h",
      "src/dawn_native/d3d12/ShaderModuleD3D12.cpp",
      "src/dawn_native/d3d12/ShaderModuleD3D12.h",
      "src/dawn_native/d3d12/SwapChainD3D12.cpp",
      "src/dawn_native/d3d12/SwapChainD3D12.h",
      "src/dawn_native/d3d12/TextureCopySplitter.cpp",
      "src/dawn_native/d3d12/TextureCopySplitter.h",
      "src/dawn_native/d3d12/TextureD3D12.cpp",
      "src/dawn_native/d3d12/TextureD3D12.h",
      "src/dawn_native/d3d12/d3d12_platform.h",
    ]
  }

  if (dawn_enable_metal) {
    libs += [
      "Metal.framework",
      "Cocoa.framework",
      "IOKit.framework",
    ]
    sources += [
      "src/dawn_native/metal/BlendStateMTL.h",
      "src/dawn_native/metal/BlendStateMTL.mm",
      "src/dawn_native/metal/BufferMTL.h",
      "src/dawn_native/metal/BufferMTL.mm",
      "src/dawn_native/metal/CommandBufferMTL.h",
      "src/dawn_native/metal/CommandBufferMTL.mm",
      "src/dawn_native/metal/ComputePipelineMTL.h",
      "src/dawn_native/metal/ComputePipelineMTL.mm",
      "src/dawn_native/metal/DepthStencilStateMTL.h",
      "src/dawn_native/metal/DepthStencilStateMTL.mm",
      "src/dawn_native/metal/DeviceMTL.h",
      "src/dawn_native/metal/DeviceMTL.mm",
      "src/dawn_native/metal/Forward.h",
      "src/dawn_native/metal/InputStateMTL.h",
      "src/dawn_native/metal/InputStateMTL.mm",
      "src/dawn_native/metal/PipelineLayoutMTL.h",
      "src/dawn_native/metal/PipelineLayoutMTL.mm",
      "src/dawn_native/metal/QueueMTL.h",
      "src/dawn_native/metal/QueueMTL.mm",
      "src/dawn_native/metal/RenderPipelineMTL.h",
      "src/dawn_native/metal/RenderPipelineMTL.mm",
      "src/dawn_native/metal/ResourceUploader.h",
      "src/dawn_native/metal/ResourceUploader.mm",
      "src/dawn_native/metal/SamplerMTL.h",
      "src/dawn_native/metal/SamplerMTL.mm",
      "src/dawn_native/metal/ShaderModuleMTL.h",
      "src/dawn_native/metal/ShaderModuleMTL.mm",
      "src/dawn_native/metal/SwapChainMTL.h",
      "src/dawn_native/metal/SwapChainMTL.mm",
      "src/dawn_native/metal/TextureMTL.h",
      "src/dawn_native/metal/TextureMTL.mm",
    ]
  }

  if (dawn_enable_null) {
    sources += [
      "src/dawn_native/null/NullBackend.cpp",
      "src/dawn_native/null/NullBackend.h",
    ]
  }

  if (dawn_enable_opengl) {
    deps += [ "third_party:glad" ]
    sources += [
      "src/dawn_native/opengl/BlendStateGL.cpp",
      "src/dawn_native/opengl/BlendStateGL.h",
      "src/dawn_native/opengl/BufferGL.cpp",
      "src/dawn_native/opengl/BufferGL.h",
      "src/dawn_native/opengl/CommandBufferGL.cpp",
      "src/dawn_native/opengl/CommandBufferGL.h",
      "src/dawn_native/opengl/ComputePipelineGL.cpp",
      "src/dawn_native/opengl/ComputePipelineGL.h",
      "src/dawn_native/opengl/DepthStencilStateGL.cpp",
      "src/dawn_native/opengl/DepthStencilStateGL.h",
      "src/dawn_native/opengl/DeviceGL.cpp",
      "src/dawn_native/opengl/DeviceGL.h",
      "src/dawn_native/opengl/Forward.h",
      "src/dawn_native/opengl/InputStateGL.cpp",
      "src/dawn_native/opengl/InputStateGL.h",
      "src/dawn_native/opengl/PersistentPipelineStateGL.cpp",
      "src/dawn_native/opengl/PersistentPipelineStateGL.h",
      "src/dawn_native/opengl/PipelineGL.cpp",
      "src/dawn_native/opengl/PipelineGL.h",
      "src/dawn_native/opengl/PipelineLayoutGL.cpp",
      "src/dawn_native/opengl/PipelineLayoutGL.h",
      "src/dawn_native/opengl/QueueGL.cpp",
      "src/dawn_native/opengl/QueueGL.h",
      "src/dawn_native/opengl/RenderPipelineGL.cpp",
      "src/dawn_native/opengl/RenderPipelineGL.h",
      "src/dawn_native/opengl/SamplerGL.cpp",
      "src/dawn_native/opengl/SamplerGL.h",
      "src/dawn_native/opengl/ShaderModuleGL.cpp",
      "src/dawn_native/opengl/ShaderModuleGL.h",
      "src/dawn_native/opengl/SwapChainGL.cpp",
      "src/dawn_native/opengl/SwapChainGL.h",
      "src/dawn_native/opengl/TextureGL.cpp",
      "src/dawn_native/opengl/TextureGL.h",
    ]
  }

  if (dawn_enable_vulkan) {
    deps += [ "third_party:vulkan_headers" ]
    sources += [
      "src/dawn_native/vulkan/BindGroupLayoutVk.cpp",
      "src/dawn_native/vulkan/BindGroupLayoutVk.h",
      "src/dawn_native/vulkan/BindGroupVk.cpp",
      "src/dawn_native/vulkan/BindGroupVk.h",
      "src/dawn_native/vulkan/BlendStateVk.cpp",
      "src/dawn_native/vulkan/BlendStateVk.h",
      "src/dawn_native/vulkan/BufferUploader.cpp",
      "src/dawn_native/vulkan/BufferUploader.h",
      "src/dawn_native/vulkan/BufferVk.cpp",
      "src/dawn_native/vulkan/BufferVk.h",
      "src/dawn_native/vulkan/CommandBufferVk.cpp",
      "src/dawn_native/vulkan/CommandBufferVk.h",
      "src/dawn_native/vulkan/ComputePipelineVk.cpp",
      "src/dawn_native/vulkan/ComputePipelineVk.h",
      "src/dawn_native/vulkan/DepthStencilStateVk.cpp",
      "src/dawn_native/vulkan/DepthStencilStateVk.h",
      "src/dawn_native/vulkan/DeviceVk.cpp",
      "src/dawn_native/vulkan/DeviceVk.h",
      "src/dawn_native/vulkan/FencedDeleter.cpp",
      "src/dawn_native/vulkan/FencedDeleter.h",
      "src/dawn_native/vulkan/Forward.h",
      "src/dawn_native/vulkan/InputStateVk.cpp",
      "src/dawn_native/vulkan/InputStateVk.h",
      "src/dawn_native/vulkan/MemoryAllocator.cpp",
      "src/dawn_native/vulkan/MemoryAllocator.h",
      "src/dawn_native/vulkan/NativeSwapChainImplVk.cpp",
      "src/dawn_native/vulkan/NativeSwapChainImplVk.h",
      "src/dawn_native/vulkan/PipelineLayoutVk.cpp",
      "src/dawn_native/vulkan/PipelineLayoutVk.h",
      "src/dawn_native/vulkan/QueueVk.cpp",
      "src/dawn_native/vulkan/QueueVk.h",
      "src/dawn_native/vulkan/RenderPassCache.cpp",
      "src/dawn_native/vulkan/RenderPassCache.h",
      "src/dawn_native/vulkan/RenderPassDescriptorVk.cpp",
      "src/dawn_native/vulkan/RenderPassDescriptorVk.h",
      "src/dawn_native/vulkan/RenderPipelineVk.cpp",
      "src/dawn_native/vulkan/RenderPipelineVk.h",
      "src/dawn_native/vulkan/SamplerVk.cpp",
      "src/dawn_native/vulkan/SamplerVk.h",
      "src/dawn_native/vulkan/ShaderModuleVk.cpp",
      "src/dawn_native/vulkan/ShaderModuleVk.h",
      "src/dawn_native/vulkan/SwapChainVk.cpp",
      "src/dawn_native/vulkan/SwapChainVk.h",
      "src/dawn_native/vulkan/TextureVk.cpp",
      "src/dawn_native/vulkan/TextureVk.h",
      "src/dawn_native/vulkan/VulkanFunctions.cpp",
      "src/dawn_native/vulkan/VulkanFunctions.h",
      "src/dawn_native/vulkan/VulkanInfo.cpp",
      "src/dawn_native/vulkan/VulkanInfo.h",
    ]
  }
}

# The shared library for libdawn_native for use by samples, tests, etc.
shared_library("libdawn_native") {
  deps = [
    ":libdawn_native_sources",
  ]

  #Make headers publically visible
  public_deps = [
    ":libdawn_native_headers",
  ]
  public_configs = [ ":libdawn_public" ]

  # Tell dependents where to find this shared library
  if (is_mac) {
    ldflags = [
      "-install_name",
      "@rpath/${target_name}.dylib",
    ]
  }
}

###############################################################################
# libdawn_wire.so
###############################################################################

# Public libdawn_wire headers so they can be publically visible for
# dependencies of libdawn_wire
source_set("libdawn_wire_headers") {
  public_deps = [
    ":dawn_headers",
  ]
  sources = [
    "src/include/dawn_wire/Wire.h",
    "src/include/dawn_wire/dawn_wire_export.h",
  ]
}

config("libdawn_wire_export") {
  defines = [ "DAWN_WIRE_IMPLEMENTATION" ]
}

dawn_generator("libdawn_wire_gen") {
  target = "dawn_wire"
  outputs = [
    "dawn_wire/WireServer.cpp",
    "dawn_wire/WireCmd_autogen.h",
    "dawn_wire/WireClient.cpp",
    "dawn_wire/WireCmd_autogen.cpp",
  ]
}

source_set("libdawn_wire_sources") {
  deps = [
    ":dawn_common",
    ":libdawn_wire_gen",
    ":libdawn_wire_headers",
  ]

  configs += [ ":dawn_internal" ]
  sources = get_target_outputs(":libdawn_wire_gen")
  sources += [ "src/dawn_wire/WireCmd.h" ]

  # Make headers publically visible
  public_deps = [
    ":libdawn_wire_headers",
  ]
  public_configs = [ ":libdawn_public" ]

  # Put the export config public so that dependents use the same declspec.
  public_configs += [ ":libdawn_wire_export" ]
}

shared_library("libdawn_wire") {
  deps = [
    ":libdawn_wire_sources",
  ]

  # Make headers publically visible
  public_deps = [
    ":libdawn_wire_headers",
  ]
  public_configs = [ ":libdawn_public" ]

  # Tell dependents where to find this shared library
  if (is_mac) {
    ldflags = [
      "-install_name",
      "@rpath/${target_name}.dylib",
    ]
  }
}

###############################################################################
# Utils for tests and samples
###############################################################################

static_library("dawn_utils") {
  configs += [ ":dawn_internal" ]

  sources = [
    "src/utils/BackendBinding.cpp",
    "src/utils/BackendBinding.h",
    "src/utils/DawnHelpers.cpp",
    "src/utils/DawnHelpers.h",
    "src/utils/SystemUtils.cpp",
    "src/utils/SystemUtils.h",
    "src/utils/TerribleCommandBuffer.cpp",
    "src/utils/TerribleCommandBuffer.h",
  ]
  deps = [
    ":dawn_common",
    ":libdawn_native",
    ":libdawn_wire",
    "${dawn_shaderc_dir}:libshaderc",
    "third_party:glfw",
  ]
  libs = []

  if (dawn_enable_d3d12) {
    sources += [ "src/utils/D3D12Binding.cpp" ]
  }

  if (dawn_enable_metal) {
    sources += [ "src/utils/MetalBinding.mm" ]
    libs += [
      "Metal.framework",
      "QuartzCore.framework",
    ]

    # Suppress warnings that Metal isn't in the deployment target of Chrome
    if (is_mac) {
      cflags_objcc = [ "-Wno-unguarded-availability" ]
    }
  }

  if (dawn_enable_null) {
    sources += [ "src/utils/NullBinding.cpp" ]
  }

  if (dawn_enable_opengl) {
    sources += [ "src/utils/OpenGLBinding.cpp" ]
    deps += [ "third_party:glad" ]
  }

  if (dawn_enable_vulkan) {
    sources += [ "src/utils/VulkanBinding.cpp" ]
    deps += [ "third_party:vulkan_headers" ]
  }
}

###############################################################################
# Dawn test targets
###############################################################################

# FIXME: Temporary proxies until Chrome references src/tests directly.
group("dawn_unittests") {
  testonly = true
  deps = [
    "src/tests:dawn_unittests",
  ]
}

group("dawn_end2end_tests") {
  testonly = true
  deps = [
    "src/tests:dawn_end2end_tests",
  ]
}

###############################################################################
# Dawn samples, only in standalone builds
###############################################################################

if (dawn_standalone) {
  # Static library to contain code and dependencies common to all samples
  static_library("dawn_sample_utils") {
    sources = [
      "examples/SampleUtils.cpp",
      "examples/SampleUtils.h",
    ]

    # Export all of these as public deps so that `gn check` allows includes
    public_deps = [
      ":dawn_common",
      ":dawn_utils",
      ":libdawn",
      ":libdawn_native",
      ":libdawn_wire",
      "third_party:glfw",
    ]
    public_configs = [ ":dawn_internal" ]
  }

  # Template for samples to avoid listing dawn_sample_utils as a dep every time
  template("dawn_sample") {
    executable(target_name) {
      deps = [
        ":dawn_sample_utils",
      ]
      forward_variables_from(invoker, "*", [ "deps" ])

      if (defined(invoker.deps)) {
        deps += invoker.deps
      }
    }
  }

  dawn_sample("CppHelloTriangle") {
    sources = [
      "examples/CppHelloTriangle.cpp",
    ]
  }

  dawn_sample("CHelloTriangle") {
    sources = [
      "examples/CHelloTriangle.cpp",
    ]
  }

  dawn_sample("ComputeBoids") {
    sources = [
      "examples/ComputeBoids.cpp",
    ]
    deps = [
      "third_party:glm",
    ]
  }

  dawn_sample("Animometer") {
    sources = [
      "examples/Animometer.cpp",
    ]
  }

  dawn_sample("CubeReflection") {
    sources = [
      "examples/CubeReflection.cpp",
    ]
    deps = [
      "third_party:glm",
    ]
  }

  dawn_sample("glTFViewer") {
    sources = [
      "examples/glTFViewer/Camera.inl",
      "examples/glTFViewer/glTFViewer.cpp",
    ]
    deps = [
      "third_party:glm",
      "third_party:tiny_gltf_loader",
    ]
  }

  group("dawn_samples") {
    deps = [
      ":Animometer",
      ":CHelloTriangle",
      ":ComputeBoids",
      ":CppHelloTriangle",
      ":CubeReflection",
      ":glTFViewer",
    ]
  }
}

###############################################################################
# Fuzzers
###############################################################################

group("dawn_fuzzers") {
  testonly = true
  deps = [
    "src/fuzzers:dawn_spirv_cross_glsl_fast_fuzzer",
    "src/fuzzers:dawn_spirv_cross_glsl_full_fuzzer",
    "src/fuzzers:dawn_spirv_cross_hlsl_fast_fuzzer",
    "src/fuzzers:dawn_spirv_cross_hlsl_full_fuzzer",
    "src/fuzzers:dawn_spirv_cross_msl_fast_fuzzer",
    "src/fuzzers:dawn_spirv_cross_msl_full_fuzzer",
    "src/fuzzers:dawn_wire_server_and_frontend_fuzzer",
  ]
}