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 #include "tools/window/unix/GraphiteNativeVulkanWindowContext_unix.h"
8
9 #include "tools/gpu/vk/VkTestUtils.h"
10 #include "tools/window/GraphiteNativeVulkanWindowContext.h"
11 #include "tools/window/unix/XlibWindowInfo.h"
12
13 #include <X11/Xlib-xcb.h>
14
15 namespace skwindow {
16
MakeGraphiteNativeVulkanForXlib(const XlibWindowInfo & info,std::unique_ptr<const DisplayParams> displayParams)17 std::unique_ptr<WindowContext> MakeGraphiteNativeVulkanForXlib(
18 const XlibWindowInfo& info, std::unique_ptr<const DisplayParams> displayParams) {
19 PFN_vkGetInstanceProcAddr instProc;
20 if (!sk_gpu_test::LoadVkLibraryAndGetProcAddrFuncs(&instProc)) {
21 SkDebugf("Could not load vulkan library\n");
22 return nullptr;
23 }
24
25 auto createVkSurface = [&info, instProc](VkInstance instance) -> VkSurfaceKHR {
26 static PFN_vkCreateXcbSurfaceKHR createXcbSurfaceKHR = nullptr;
27 if (!createXcbSurfaceKHR) {
28 createXcbSurfaceKHR =
29 (PFN_vkCreateXcbSurfaceKHR)instProc(instance, "vkCreateXcbSurfaceKHR");
30 }
31
32 VkSurfaceKHR surface;
33
34 VkXcbSurfaceCreateInfoKHR surfaceCreateInfo;
35 memset(&surfaceCreateInfo, 0, sizeof(VkXcbSurfaceCreateInfoKHR));
36 surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
37 surfaceCreateInfo.pNext = nullptr;
38 surfaceCreateInfo.flags = 0;
39 surfaceCreateInfo.connection = XGetXCBConnection(info.fDisplay);
40 surfaceCreateInfo.window = info.fWindow;
41
42 VkResult res = createXcbSurfaceKHR(instance, &surfaceCreateInfo, nullptr, &surface);
43 if (res != VK_SUCCESS) {
44 return VK_NULL_HANDLE;
45 }
46
47 return surface;
48 };
49
50 auto canPresent = [&info, instProc](VkInstance instance,
51 VkPhysicalDevice physDev,
52 uint32_t queueFamilyIndex) {
53 static PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR
54 getPhysicalDeviceXcbPresentationSupportKHR = nullptr;
55 if (!getPhysicalDeviceXcbPresentationSupportKHR) {
56 getPhysicalDeviceXcbPresentationSupportKHR =
57 (PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR)instProc(
58 instance, "vkGetPhysicalDeviceXcbPresentationSupportKHR");
59 }
60
61 Display* display = info.fDisplay;
62 VisualID visualID =
63 XVisualIDFromVisual(DefaultVisual(info.fDisplay, DefaultScreen(info.fDisplay)));
64 VkBool32 check = getPhysicalDeviceXcbPresentationSupportKHR(
65 physDev, queueFamilyIndex, XGetXCBConnection(display), visualID);
66 return (check != VK_FALSE);
67 };
68 std::unique_ptr<WindowContext> ctx(new internal::GraphiteVulkanWindowContext(
69 std::move(displayParams), createVkSurface, canPresent, instProc));
70 if (!ctx->isValid()) {
71 return nullptr;
72 }
73 return ctx;
74 }
75
76 } // namespace skwindow
77