1
2 /*
3 * Copyright 2023 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 "tools/gpu/vk/VkTestUtils.h"
10
11 #include "tools/window/GraphiteVulkanWindowContext.h"
12 #include "tools/window/unix/WindowContextFactory_unix.h"
13
14 #include <X11/Xlib-xcb.h>
15
16 namespace skwindow {
17
MakeGraphiteVulkanForXlib(const XlibWindowInfo & info,const DisplayParams & displayParams)18 std::unique_ptr<WindowContext> MakeGraphiteVulkanForXlib(const XlibWindowInfo& info,
19 const DisplayParams& displayParams) {
20 PFN_vkGetInstanceProcAddr instProc;
21 if (!sk_gpu_test::LoadVkLibraryAndGetProcAddrFuncs(&instProc)) {
22 SkDebugf("Could not load vulkan library\n");
23 return nullptr;
24 }
25
26 auto createVkSurface = [&info, instProc](VkInstance instance) -> VkSurfaceKHR {
27 static PFN_vkCreateXcbSurfaceKHR createXcbSurfaceKHR = nullptr;
28 if (!createXcbSurfaceKHR) {
29 createXcbSurfaceKHR =
30 (PFN_vkCreateXcbSurfaceKHR) instProc(instance, "vkCreateXcbSurfaceKHR");
31 }
32
33 VkSurfaceKHR surface;
34
35 VkXcbSurfaceCreateInfoKHR surfaceCreateInfo;
36 memset(&surfaceCreateInfo, 0, sizeof(VkXcbSurfaceCreateInfoKHR));
37 surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
38 surfaceCreateInfo.pNext = nullptr;
39 surfaceCreateInfo.flags = 0;
40 surfaceCreateInfo.connection = XGetXCBConnection(info.fDisplay);
41 surfaceCreateInfo.window = info.fWindow;
42
43 VkResult res = createXcbSurfaceKHR(instance, &surfaceCreateInfo, nullptr, &surface);
44 if (res != VK_SUCCESS) {
45 return VK_NULL_HANDLE;
46 }
47
48 return surface;
49 };
50
51 auto canPresent = [&info, instProc](VkInstance instance, VkPhysicalDevice physDev,
52 uint32_t queueFamilyIndex) {
53 static PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR
54 getPhysicalDeviceXcbPresentationSupportKHR = nullptr;
55 if (!getPhysicalDeviceXcbPresentationSupportKHR) {
56 getPhysicalDeviceXcbPresentationSupportKHR =
57 (PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR)
58 instProc(instance, "vkGetPhysicalDeviceXcbPresentationSupportKHR");
59 }
60
61 Display* display = info.fDisplay;
62 VisualID visualID = XVisualIDFromVisual(DefaultVisual(info.fDisplay,
63 DefaultScreen(info.fDisplay)));
64 VkBool32 check = getPhysicalDeviceXcbPresentationSupportKHR(physDev,
65 queueFamilyIndex,
66 XGetXCBConnection(display),
67 visualID);
68 return (check != VK_FALSE);
69 };
70 std::unique_ptr<WindowContext> ctx(
71 new internal::GraphiteVulkanWindowContext(displayParams,
72 createVkSurface,
73 canPresent,
74 instProc));
75 if (!ctx->isValid()) {
76 return nullptr;
77 }
78 return ctx;
79 }
80
81 } // namespace skwindow
82