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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.
// VulkanBackend.cpp: contains the definition of symbols exported by VulkanBackend.h so that they
// can be compiled twice: once export (shared library), once not exported (static library)
// Include vulkan_platform.h before VulkanBackend.h includes vulkan.h so that we use our version
// of the non-dispatchable handles.
#include "common/vulkan_platform.h"
#include "dawn_native/VulkanBackend.h"
#include "common/SwapChainUtils.h"
#include "dawn_native/vulkan/DeviceVk.h"
#include "dawn_native/vulkan/NativeSwapChainImplVk.h"
#include "dawn_native/vulkan/TextureVk.h"
namespace dawn_native { namespace vulkan {
VkInstance GetInstance(WGPUDevice device) {
Device* backendDevice = reinterpret_cast<Device*>(device);
return backendDevice->GetVkInstance();
}
DAWN_NATIVE_EXPORT PFN_vkVoidFunction GetInstanceProcAddr(WGPUDevice device,
const char* pName) {
Device* backendDevice = reinterpret_cast<Device*>(device);
return (*backendDevice->fn.GetInstanceProcAddr)(backendDevice->GetVkInstance(), pName);
}
// Explicitly export this function because it uses the "native" type for surfaces while the
// header as seen in this file uses the wrapped type.
DAWN_NATIVE_EXPORT DawnSwapChainImplementation
CreateNativeSwapChainImpl(WGPUDevice device, VkSurfaceKHRNative surfaceNative) {
Device* backendDevice = reinterpret_cast<Device*>(device);
VkSurfaceKHR surface = VkSurfaceKHR::CreateFromHandle(surfaceNative);
DawnSwapChainImplementation impl;
impl = CreateSwapChainImplementation(new NativeSwapChainImpl(backendDevice, surface));
impl.textureUsage = WGPUTextureUsage_Present;
return impl;
}
WGPUTextureFormat GetNativeSwapChainPreferredFormat(
const DawnSwapChainImplementation* swapChain) {
NativeSwapChainImpl* impl = reinterpret_cast<NativeSwapChainImpl*>(swapChain->userData);
return static_cast<WGPUTextureFormat>(impl->GetPreferredFormat());
}
#ifdef DAWN_PLATFORM_LINUX
ExternalImageDescriptor::ExternalImageDescriptor(ExternalImageDescriptorType type)
: type(type) {
}
ExternalImageDescriptorFD::ExternalImageDescriptorFD(ExternalImageDescriptorType type)
: ExternalImageDescriptor(type) {
}
ExternalImageDescriptorOpaqueFD::ExternalImageDescriptorOpaqueFD()
: ExternalImageDescriptorFD(ExternalImageDescriptorType::OpaqueFD) {
}
ExternalImageDescriptorDmaBuf::ExternalImageDescriptorDmaBuf()
: ExternalImageDescriptorFD(ExternalImageDescriptorType::DmaBuf) {
}
int ExportSignalSemaphoreOpaqueFD(WGPUDevice cDevice, WGPUTexture cTexture) {
Device* device = reinterpret_cast<Device*>(cDevice);
Texture* texture = reinterpret_cast<Texture*>(cTexture);
if (!texture) {
return -1;
}
ExternalSemaphoreHandle outHandle;
if (device->ConsumedError(device->SignalAndExportExternalTexture(texture, &outHandle))) {
return -1;
}
return outHandle;
}
WGPUTexture WrapVulkanImage(WGPUDevice cDevice, const ExternalImageDescriptor* descriptor) {
Device* device = reinterpret_cast<Device*>(cDevice);
switch (descriptor->type) {
case ExternalImageDescriptorType::OpaqueFD:
case ExternalImageDescriptorType::DmaBuf: {
const ExternalImageDescriptorFD* fdDescriptor =
static_cast<const ExternalImageDescriptorFD*>(descriptor);
TextureBase* texture = device->CreateTextureWrappingVulkanImage(
descriptor, fdDescriptor->memoryFD, fdDescriptor->waitFDs);
return reinterpret_cast<WGPUTexture>(texture);
}
default:
return nullptr;
}
}
#endif
}} // namespace dawn_native::vulkan