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// Copyright (c) 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/viz/common/gpu/vulkan_in_process_context_provider.h"
#include "gpu/vulkan/buildflags.h"
#include "gpu/vulkan/init/vulkan_factory.h"
#include "gpu/vulkan/vulkan_device_queue.h"
#include "gpu/vulkan/vulkan_implementation.h"
#include "third_party/skia/include/gpu/GrContext.h"
#include "third_party/skia/include/gpu/vk/GrVkInterface.h"
namespace viz {
scoped_refptr<VulkanInProcessContextProvider>
VulkanInProcessContextProvider::Create(
gpu::VulkanImplementation* vulkan_implementation) {
scoped_refptr<VulkanInProcessContextProvider> context_provider(
new VulkanInProcessContextProvider(vulkan_implementation));
if (!context_provider->Initialize())
return nullptr;
return context_provider;
}
GrVkInterface::GetProc make_unified_getter(
const GrVkInterface::GetInstanceProc& iproc,
const GrVkInterface::GetDeviceProc& dproc) {
return [&iproc, &dproc](const char* proc_name, VkInstance instance,
VkDevice device) {
if (device != VK_NULL_HANDLE) {
return dproc(device, proc_name);
}
return iproc(instance, proc_name);
};
}
bool VulkanInProcessContextProvider::Initialize() {
DCHECK(!device_queue_);
std::unique_ptr<gpu::VulkanDeviceQueue> device_queue =
gpu::CreateVulkanDeviceQueue(
vulkan_implementation_,
gpu::VulkanDeviceQueue::GRAPHICS_QUEUE_FLAG |
gpu::VulkanDeviceQueue::PRESENTATION_SUPPORT_QUEUE_FLAG);
if (!device_queue) {
return false;
}
device_queue_ = std::move(device_queue);
const uint32_t feature_flags = kGeometryShader_GrVkFeatureFlag |
kDualSrcBlend_GrVkFeatureFlag |
kSampleRateShading_GrVkFeatureFlag;
const uint32_t extension_flags =
kEXT_debug_report_GrVkExtensionFlag | kKHR_surface_GrVkExtensionFlag |
kKHR_swapchain_GrVkExtensionFlag | kKHR_xcb_surface_GrVkExtensionFlag;
GrVkBackendContext* backend_context = new GrVkBackendContext();
backend_context->fInstance = device_queue_->GetVulkanInstance();
backend_context->fPhysicalDevice = device_queue_->GetVulkanPhysicalDevice();
backend_context->fDevice = device_queue_->GetVulkanDevice();
backend_context->fQueue = device_queue_->GetVulkanQueue();
backend_context->fGraphicsQueueIndex = device_queue_->GetVulkanQueueIndex();
backend_context->fMinAPIVersion = VK_MAKE_VERSION(1, 0, 8);
backend_context->fExtensions = extension_flags;
backend_context->fFeatures = feature_flags;
auto interface = sk_make_sp<GrVkInterface>(
make_unified_getter(vkGetInstanceProcAddr, vkGetDeviceProcAddr),
backend_context->fInstance, backend_context->fDevice,
backend_context->fExtensions);
backend_context->fInterface.reset(interface.release());
backend_context->fOwnsInstanceAndDevice = false;
backend_context_.reset(backend_context);
gr_context_ = GrContext::MakeVulkan(backend_context_);
return true;
}
void VulkanInProcessContextProvider::Destroy() {
if (gr_context_)
gr_context_.reset();
if (device_queue_) {
device_queue_->Destroy();
device_queue_.reset();
backend_context_.reset();
}
}
GrContext* VulkanInProcessContextProvider::GetGrContext() {
return gr_context_.get();
}
gpu::VulkanImplementation*
VulkanInProcessContextProvider::GetVulkanImplementation() {
return vulkan_implementation_;
}
gpu::VulkanDeviceQueue* VulkanInProcessContextProvider::GetDeviceQueue() {
return device_queue_.get();
}
VulkanInProcessContextProvider::VulkanInProcessContextProvider(
gpu::VulkanImplementation* vulkan_implementation)
: vulkan_implementation_(vulkan_implementation) {}
VulkanInProcessContextProvider::~VulkanInProcessContextProvider() {
Destroy();
}
} // namespace viz
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