1 // Copyright (c) 2016 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef COMPONENTS_VIZ_COMMON_GPU_VULKAN_CONTEXT_PROVIDER_H_
6 #define COMPONENTS_VIZ_COMMON_GPU_VULKAN_CONTEXT_PROVIDER_H_
7 
8 #include <vector>
9 
10 #include "base/callback.h"
11 #include "base/memory/ref_counted.h"
12 #include "components/viz/common/viz_vulkan_context_provider_export.h"
13 #include "third_party/vulkan/include/vulkan/vulkan.h"
14 
15 class GrContext;
16 class GrVkSecondaryCBDrawContext;
17 
18 namespace gpu {
19 class VulkanDeviceQueue;
20 class VulkanImplementation;
21 }
22 
23 namespace viz {
24 
25 // The VulkanContextProvider groups sharing of vulkan objects synchronously.
26 class VIZ_VULKAN_CONTEXT_PROVIDER_EXPORT VulkanContextProvider
27     : public base::RefCountedThreadSafe<VulkanContextProvider> {
28  public:
29   virtual gpu::VulkanImplementation* GetVulkanImplementation() = 0;
30   virtual gpu::VulkanDeviceQueue* GetDeviceQueue() = 0;
31   virtual GrContext* GetGrContext() = 0;
32 
33   // Get the current SecondaryCBDrawContext for the default render target.
34   virtual GrVkSecondaryCBDrawContext* GetGrSecondaryCBDrawContext() = 0;
35 
36   // Enqueue semaphores which will be submitted with GrSecondaryCB to device
37   // queue for signalling.
38   virtual void EnqueueSecondaryCBSemaphores(
39       std::vector<VkSemaphore> semaphores) = 0;
40 
41   // Enqueue task which will be executed after the GrSecondaryCB and post submit
42   // semphores are submitted.
43   virtual void EnqueueSecondaryCBPostSubmitTask(base::OnceClosure closure) = 0;
44 
45  protected:
46   friend class base::RefCountedThreadSafe<VulkanContextProvider>;
~VulkanContextProvider()47   virtual ~VulkanContextProvider() {}
48 };
49 
50 }  // namespace viz
51 
52 #endif  // COMPONENTS_VIZ_COMMON_GPU_VULKAN_CONTEXT_PROVIDER_H_
53