1
2/*
3 * Copyright 2016 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9#include "include/gpu/vk/GrVkVulkan.h"
10
11#include "tools/sk_app/android/WindowContextFactory_android.h"
12
13#include "tools/sk_app/VulkanWindowContext.h"
14
15#include "tools/gpu/vk/VkTestUtils.h"
16
17namespace sk_app {
18
19namespace window_context_factory {
20
21std::unique_ptr<WindowContext> MakeVulkanForAndroid(ANativeWindow* window,
22                                                    const DisplayParams& params) {
23    PFN_vkGetInstanceProcAddr instProc;
24    PFN_vkGetDeviceProcAddr devProc;
25    if (!sk_gpu_test::LoadVkLibraryAndGetProcAddrFuncs(&instProc, &devProc)) {
26        return nullptr;
27    }
28
29    auto createVkSurface = [window, instProc] (VkInstance instance) -> VkSurfaceKHR {
30        PFN_vkCreateAndroidSurfaceKHR createAndroidSurfaceKHR =
31                (PFN_vkCreateAndroidSurfaceKHR) instProc(instance, "vkCreateAndroidSurfaceKHR");
32
33        if (!window) {
34            return VK_NULL_HANDLE;
35        }
36        VkSurfaceKHR surface;
37
38        VkAndroidSurfaceCreateInfoKHR surfaceCreateInfo;
39        memset(&surfaceCreateInfo, 0, sizeof(VkAndroidSurfaceCreateInfoKHR));
40        surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR;
41        surfaceCreateInfo.pNext = nullptr;
42        surfaceCreateInfo.flags = 0;
43        surfaceCreateInfo.window = window;
44
45        VkResult res = createAndroidSurfaceKHR(instance, &surfaceCreateInfo,
46                                               nullptr, &surface);
47        return (VK_SUCCESS == res) ? surface : VK_NULL_HANDLE;
48    };
49
50    auto canPresent = [](VkInstance, VkPhysicalDevice, uint32_t) { return true; };
51
52    std::unique_ptr<WindowContext> ctx(
53            new VulkanWindowContext(params, createVkSurface, canPresent, instProc, devProc));
54    if (!ctx->isValid()) {
55        return nullptr;
56    }
57    return ctx;
58}
59
60}  // namespace window_context_factory
61}  // namespace sk_app
62