blob: 1a801f5cbc9ab3fbcc485edc75eaea82882310e4 [file] [log] [blame]
// 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.
#include "dawn_native/Instance.h"
#include "common/Assert.h"
#include "common/Log.h"
#include "dawn_native/ErrorData.h"
#include "dawn_native/Surface.h"
#include "dawn_native/ValidationUtils_autogen.h"
#include "dawn_platform/DawnPlatform.h"
#if defined(DAWN_USE_X11)
# include "dawn_native/XlibXcbFunctions.h"
#endif // defined(DAWN_USE_X11)
namespace dawn_native {
// Forward definitions of each backend's "Connect" function that creates new BackendConnection.
// Conditionally compiled declarations are used to avoid using static constructors instead.
#if defined(DAWN_ENABLE_BACKEND_D3D12)
namespace d3d12 {
BackendConnection* Connect(InstanceBase* instance);
}
#endif // defined(DAWN_ENABLE_BACKEND_D3D12)
#if defined(DAWN_ENABLE_BACKEND_METAL)
namespace metal {
BackendConnection* Connect(InstanceBase* instance);
}
#endif // defined(DAWN_ENABLE_BACKEND_METAL)
#if defined(DAWN_ENABLE_BACKEND_NULL)
namespace null {
BackendConnection* Connect(InstanceBase* instance);
}
#endif // defined(DAWN_ENABLE_BACKEND_NULL)
#if defined(DAWN_ENABLE_BACKEND_OPENGL)
namespace opengl {
BackendConnection* Connect(InstanceBase* instance, wgpu::BackendType backendType);
}
#endif // defined(DAWN_ENABLE_BACKEND_OPENGL)
#if defined(DAWN_ENABLE_BACKEND_VULKAN)
namespace vulkan {
BackendConnection* Connect(InstanceBase* instance);
}
#endif // defined(DAWN_ENABLE_BACKEND_VULKAN)
namespace {
BackendsBitset GetEnabledBackends() {
BackendsBitset enabledBackends;
#if defined(DAWN_ENABLE_BACKEND_NULL)
enabledBackends.set(wgpu::BackendType::Null);
#endif // defined(DAWN_ENABLE_BACKEND_NULL)
#if defined(DAWN_ENABLE_BACKEND_D3D12)
enabledBackends.set(wgpu::BackendType::D3D12);
#endif // defined(DAWN_ENABLE_BACKEND_D3D12)
#if defined(DAWN_ENABLE_BACKEND_METAL)
enabledBackends.set(wgpu::BackendType::Metal);
#endif // defined(DAWN_ENABLE_BACKEND_METAL)
#if defined(DAWN_ENABLE_BACKEND_VULKAN)
enabledBackends.set(wgpu::BackendType::Vulkan);
#endif // defined(DAWN_ENABLE_BACKEND_VULKAN)
#if defined(DAWN_ENABLE_BACKEND_DESKTOP_GL)
enabledBackends.set(wgpu::BackendType::OpenGL);
#endif // defined(DAWN_ENABLE_BACKEND_DESKTOP_GL)
#if defined(DAWN_ENABLE_BACKEND_OPENGLES)
enabledBackends.set(wgpu::BackendType::OpenGLES);
#endif // defined(DAWN_ENABLE_BACKEND_OPENGLES)
return enabledBackends;
}
} // anonymous namespace
// InstanceBase
// static
InstanceBase* InstanceBase::Create(const InstanceDescriptor* descriptor) {
Ref<InstanceBase> instance = AcquireRef(new InstanceBase);
if (!instance->Initialize(descriptor)) {
return nullptr;
}
return instance.Detach();
}
// TODO(crbug.com/dawn/832): make the platform an initialization parameter of the instance.
bool InstanceBase::Initialize(const InstanceDescriptor*) {
return true;
}
void InstanceBase::APIRequestAdapter(const RequestAdapterOptions* options,
WGPURequestAdapterCallback callback,
void* userdata) {
callback(WGPURequestAdapterStatus_Error, nullptr, "Not implemented", userdata);
}
void InstanceBase::DiscoverDefaultAdapters() {
for (wgpu::BackendType b : IterateBitSet(GetEnabledBackends())) {
EnsureBackendConnection(b);
}
if (mDiscoveredDefaultAdapters) {
return;
}
// Query and merge all default adapters for all backends
for (std::unique_ptr<BackendConnection>& backend : mBackends) {
std::vector<std::unique_ptr<AdapterBase>> backendAdapters =
backend->DiscoverDefaultAdapters();
for (std::unique_ptr<AdapterBase>& adapter : backendAdapters) {
ASSERT(adapter->GetBackendType() == backend->GetType());
ASSERT(adapter->GetInstance() == this);
mAdapters.push_back(std::move(adapter));
}
}
mDiscoveredDefaultAdapters = true;
}
// This is just a wrapper around the real logic that uses Error.h error handling.
bool InstanceBase::DiscoverAdapters(const AdapterDiscoveryOptionsBase* options) {
return !ConsumedError(DiscoverAdaptersInternal(options));
}
const ToggleInfo* InstanceBase::GetToggleInfo(const char* toggleName) {
return mTogglesInfo.GetToggleInfo(toggleName);
}
Toggle InstanceBase::ToggleNameToEnum(const char* toggleName) {
return mTogglesInfo.ToggleNameToEnum(toggleName);
}
const FeatureInfo* InstanceBase::GetFeatureInfo(wgpu::FeatureName feature) {
return mFeaturesInfo.GetFeatureInfo(feature);
}
const std::vector<std::unique_ptr<AdapterBase>>& InstanceBase::GetAdapters() const {
return mAdapters;
}
void InstanceBase::EnsureBackendConnection(wgpu::BackendType backendType) {
if (mBackendsConnected[backendType]) {
return;
}
auto Register = [this](BackendConnection* connection, wgpu::BackendType expectedType) {
if (connection != nullptr) {
ASSERT(connection->GetType() == expectedType);
ASSERT(connection->GetInstance() == this);
mBackends.push_back(std::unique_ptr<BackendConnection>(connection));
}
};
switch (backendType) {
#if defined(DAWN_ENABLE_BACKEND_NULL)
case wgpu::BackendType::Null:
Register(null::Connect(this), wgpu::BackendType::Null);
break;
#endif // defined(DAWN_ENABLE_BACKEND_NULL)
#if defined(DAWN_ENABLE_BACKEND_D3D12)
case wgpu::BackendType::D3D12:
Register(d3d12::Connect(this), wgpu::BackendType::D3D12);
break;
#endif // defined(DAWN_ENABLE_BACKEND_D3D12)
#if defined(DAWN_ENABLE_BACKEND_METAL)
case wgpu::BackendType::Metal:
Register(metal::Connect(this), wgpu::BackendType::Metal);
break;
#endif // defined(DAWN_ENABLE_BACKEND_METAL)
#if defined(DAWN_ENABLE_BACKEND_VULKAN)
case wgpu::BackendType::Vulkan:
Register(vulkan::Connect(this), wgpu::BackendType::Vulkan);
break;
#endif // defined(DAWN_ENABLE_BACKEND_VULKAN)
#if defined(DAWN_ENABLE_BACKEND_DESKTOP_GL)
case wgpu::BackendType::OpenGL:
Register(opengl::Connect(this, wgpu::BackendType::OpenGL),
wgpu::BackendType::OpenGL);
break;
#endif // defined(DAWN_ENABLE_BACKEND_DESKTOP_GL)
#if defined(DAWN_ENABLE_BACKEND_OPENGLES)
case wgpu::BackendType::OpenGLES:
Register(opengl::Connect(this, wgpu::BackendType::OpenGLES),
wgpu::BackendType::OpenGLES);
break;
#endif // defined(DAWN_ENABLE_BACKEND_OPENGLES)
default:
UNREACHABLE();
}
mBackendsConnected.set(backendType);
}
MaybeError InstanceBase::DiscoverAdaptersInternal(const AdapterDiscoveryOptionsBase* options) {
wgpu::BackendType backendType = static_cast<wgpu::BackendType>(options->backendType);
DAWN_TRY(ValidateBackendType(backendType));
if (!GetEnabledBackends()[backendType]) {
return DAWN_FORMAT_VALIDATION_ERROR("%s not supported.", backendType);
}
EnsureBackendConnection(backendType);
bool foundBackend = false;
for (std::unique_ptr<BackendConnection>& backend : mBackends) {
if (backend->GetType() != backendType) {
continue;
}
foundBackend = true;
std::vector<std::unique_ptr<AdapterBase>> newAdapters;
DAWN_TRY_ASSIGN(newAdapters, backend->DiscoverAdapters(options));
for (std::unique_ptr<AdapterBase>& adapter : newAdapters) {
ASSERT(adapter->GetBackendType() == backend->GetType());
ASSERT(adapter->GetInstance() == this);
mAdapters.push_back(std::move(adapter));
}
}
DAWN_INVALID_IF(!foundBackend, "%s not available.", backendType);
return {};
}
bool InstanceBase::ConsumedError(MaybeError maybeError) {
if (maybeError.IsError()) {
std::unique_ptr<ErrorData> error = maybeError.AcquireError();
ASSERT(error != nullptr);
dawn::InfoLog() << error->GetFormattedMessage();
return true;
}
return false;
}
bool InstanceBase::IsBackendValidationEnabled() const {
return mBackendValidationLevel != BackendValidationLevel::Disabled;
}
void InstanceBase::SetBackendValidationLevel(BackendValidationLevel level) {
mBackendValidationLevel = level;
}
BackendValidationLevel InstanceBase::GetBackendValidationLevel() const {
return mBackendValidationLevel;
}
void InstanceBase::EnableBeginCaptureOnStartup(bool beginCaptureOnStartup) {
mBeginCaptureOnStartup = beginCaptureOnStartup;
}
bool InstanceBase::IsBeginCaptureOnStartupEnabled() const {
return mBeginCaptureOnStartup;
}
void InstanceBase::SetPlatform(dawn::platform::Platform* platform) {
mPlatform = platform;
}
dawn::platform::Platform* InstanceBase::GetPlatform() {
if (mPlatform != nullptr) {
return mPlatform;
}
if (mDefaultPlatform == nullptr) {
mDefaultPlatform = std::make_unique<dawn::platform::Platform>();
}
return mDefaultPlatform.get();
}
const XlibXcbFunctions* InstanceBase::GetOrCreateXlibXcbFunctions() {
#if defined(DAWN_USE_X11)
if (mXlibXcbFunctions == nullptr) {
mXlibXcbFunctions = std::make_unique<XlibXcbFunctions>();
}
return mXlibXcbFunctions.get();
#else
UNREACHABLE();
#endif // defined(DAWN_USE_X11)
}
Surface* InstanceBase::APICreateSurface(const SurfaceDescriptor* descriptor) {
if (ConsumedError(ValidateSurfaceDescriptor(this, descriptor))) {
return nullptr;
}
return new Surface(this, descriptor);
}
} // namespace dawn_native