1 /*
2 * Copyright 2016 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 "src/gpu/ganesh/vk/GrVkUtil.h"
9
10 #include "tools/gpu/vk/VkTestUtils.h"
11
12 #include "tools/window/VulkanWindowContext.h"
13 #include "tools/window/unix/WindowContextFactory_unix.h"
14
15 #include <X11/Xlib-xcb.h>
16
17 namespace skwindow {
18
MakeVulkanForXlib(const XlibWindowInfo & info,const DisplayParams & displayParams)19 std::unique_ptr<WindowContext> MakeVulkanForXlib(const XlibWindowInfo& info,
20 const DisplayParams& displayParams) {
21 PFN_vkGetInstanceProcAddr instProc;
22 if (!sk_gpu_test::LoadVkLibraryAndGetProcAddrFuncs(&instProc)) {
23 SkDebugf("Could not load vulkan library\n");
24 return nullptr;
25 }
26
27 auto createVkSurface = [&info, instProc](VkInstance instance) -> VkSurfaceKHR {
28 static PFN_vkCreateXcbSurfaceKHR createXcbSurfaceKHR = nullptr;
29 if (!createXcbSurfaceKHR) {
30 createXcbSurfaceKHR =
31 (PFN_vkCreateXcbSurfaceKHR) instProc(instance, "vkCreateXcbSurfaceKHR");
32 }
33
34 VkSurfaceKHR surface;
35
36 VkXcbSurfaceCreateInfoKHR surfaceCreateInfo;
37 memset(&surfaceCreateInfo, 0, sizeof(VkXcbSurfaceCreateInfoKHR));
38 surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
39 surfaceCreateInfo.pNext = nullptr;
40 surfaceCreateInfo.flags = 0;
41 surfaceCreateInfo.connection = XGetXCBConnection(info.fDisplay);
42 surfaceCreateInfo.window = info.fWindow;
43
44 VkResult res = createXcbSurfaceKHR(instance, &surfaceCreateInfo, nullptr, &surface);
45 if (VK_SUCCESS != res) {
46 return VK_NULL_HANDLE;
47 }
48
49 return surface;
50 };
51
52 auto canPresent = [&info, instProc](VkInstance instance, VkPhysicalDevice physDev,
53 uint32_t queueFamilyIndex) {
54 static PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR
55 getPhysicalDeviceXcbPresentationSupportKHR = nullptr;
56 if (!getPhysicalDeviceXcbPresentationSupportKHR) {
57 getPhysicalDeviceXcbPresentationSupportKHR =
58 (PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR)
59 instProc(instance, "vkGetPhysicalDeviceXcbPresentationSupportKHR");
60 }
61
62 Display* display = info.fDisplay;
63 VisualID visualID = XVisualIDFromVisual(DefaultVisual(info.fDisplay,
64 DefaultScreen(info.fDisplay)));
65 VkBool32 check = getPhysicalDeviceXcbPresentationSupportKHR(physDev,
66 queueFamilyIndex,
67 XGetXCBConnection(display),
68 visualID);
69 return (VK_FALSE != check);
70 };
71 std::unique_ptr<WindowContext> ctx(
72 new internal::VulkanWindowContext(displayParams,
73 createVkSurface,
74 canPresent,
75 instProc));
76 if (!ctx->isValid()) {
77 return nullptr;
78 }
79 return ctx;
80 }
81
82 } // namespace skwindow
83