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1 /*
2  * Copyright 2023 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #include "tools/window/android/SkWindowContextFactory_android.h"
9 
10 #include "tools/window/SkVulkanWindowContext.h"
11 
12 #include "tools/gpu/vk/VkTestUtils.h"
13 
14 namespace window_context_factory {
15 
MakeVulkanForAndroid(ANativeWindow * window,const SkDisplayParams & params)16 std::unique_ptr<SkWindowContext> MakeVulkanForAndroid(ANativeWindow* window,
17                                                     const SkDisplayParams& params) {
18     PFN_vkGetInstanceProcAddr instProc;
19     if (!sk_gpu_test::LoadVkLibraryAndGetProcAddrFuncs(&instProc)) {
20         return nullptr;
21     }
22 
23     auto createVkSurface = [window, instProc] (VkInstance instance) -> VkSurfaceKHR {
24         PFN_vkCreateAndroidSurfaceKHR createAndroidSurfaceKHR =
25                 (PFN_vkCreateAndroidSurfaceKHR) instProc(instance, "vkCreateAndroidSurfaceKHR");
26 
27         if (!window) {
28             return VK_NULL_HANDLE;
29         }
30         VkSurfaceKHR surface;
31 
32         VkAndroidSurfaceCreateInfoKHR surfaceCreateInfo;
33         memset(&surfaceCreateInfo, 0, sizeof(VkAndroidSurfaceCreateInfoKHR));
34         surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR;
35         surfaceCreateInfo.pNext = nullptr;
36         surfaceCreateInfo.flags = 0;
37         surfaceCreateInfo.window = window;
38 
39         VkResult res = createAndroidSurfaceKHR(instance, &surfaceCreateInfo,
40                                                nullptr, &surface);
41         return (VK_SUCCESS == res) ? surface : VK_NULL_HANDLE;
42     };
43 
44     auto canPresent = [](VkInstance, VkPhysicalDevice, uint32_t) { return true; };
45 
46     std::unique_ptr<SkWindowContext> ctx(
47             new SkVulkanWindowContext(params, createVkSurface, canPresent, instProc));
48     if (!ctx->isValid()) {
49         return nullptr;
50     }
51     return ctx;
52 }
53 
54 }  // namespace window_context_factory
55