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 "vk/GrVkVulkan.h"
10
11 #include "vk/GrVkInterface.h"
12 #include "vk/GrVkUtil.h"
13
14 #include "vk/VkTestUtils.h"
15
16 #include "WindowContextFactory_unix.h"
17 #include "../VulkanWindowContext.h"
18
19 #include <X11/Xlib-xcb.h>
20
21 namespace sk_app {
22
23 namespace window_context_factory {
24
NewVulkanForXlib(const XlibWindowInfo & info,const DisplayParams & displayParams)25 WindowContext* NewVulkanForXlib(const XlibWindowInfo& info, const DisplayParams& displayParams) {
26 PFN_vkGetInstanceProcAddr instProc;
27 PFN_vkGetDeviceProcAddr devProc;
28 if (!sk_gpu_test::LoadVkLibraryAndGetProcAddrFuncs(&instProc, &devProc)) {
29 return nullptr;
30 }
31
32 auto createVkSurface = [&info, instProc](VkInstance instance) -> VkSurfaceKHR {
33 static PFN_vkCreateXcbSurfaceKHR createXcbSurfaceKHR = nullptr;
34 if (!createXcbSurfaceKHR) {
35 createXcbSurfaceKHR =
36 (PFN_vkCreateXcbSurfaceKHR) instProc(instance, "vkCreateXcbSurfaceKHR");
37 }
38
39 VkSurfaceKHR surface;
40
41 VkXcbSurfaceCreateInfoKHR surfaceCreateInfo;
42 memset(&surfaceCreateInfo, 0, sizeof(VkXcbSurfaceCreateInfoKHR));
43 surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
44 surfaceCreateInfo.pNext = nullptr;
45 surfaceCreateInfo.flags = 0;
46 surfaceCreateInfo.connection = XGetXCBConnection(info.fDisplay);
47 surfaceCreateInfo.window = info.fWindow;
48
49 VkResult res = createXcbSurfaceKHR(instance, &surfaceCreateInfo, nullptr, &surface);
50 if (VK_SUCCESS != res) {
51 return VK_NULL_HANDLE;
52 }
53
54 return surface;
55 };
56
57 auto canPresent = [&info, instProc](VkInstance instance, VkPhysicalDevice physDev,
58 uint32_t queueFamilyIndex) {
59 static PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR
60 getPhysicalDeviceXcbPresentationSupportKHR = nullptr;
61 if (!getPhysicalDeviceXcbPresentationSupportKHR) {
62 getPhysicalDeviceXcbPresentationSupportKHR =
63 (PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR)
64 instProc(instance, "vkGetPhysicalDeviceXcbPresentationSupportKHR");
65 }
66
67
68 Display* display = info.fDisplay;
69 VisualID visualID = info.fVisualInfo->visualid;
70 VkBool32 check = getPhysicalDeviceXcbPresentationSupportKHR(physDev,
71 queueFamilyIndex,
72 XGetXCBConnection(display),
73 visualID);
74 return (VK_FALSE != check);
75 };
76 WindowContext* context = new VulkanWindowContext(displayParams, createVkSurface, canPresent,
77 instProc, devProc);
78 if (!context->isValid()) {
79 delete context;
80 return nullptr;
81 }
82 return context;
83 }
84
85 } // namespace VulkanWindowContextFactory
86
87 } // namespace sk_app
88