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 "src/gpu/vk/GrVkInterface.h"
12 #include "src/gpu/vk/GrVkUtil.h"
13
14 #include "tools/gpu/vk/VkTestUtils.h"
15
16 #include "tools/sk_app/VulkanWindowContext.h"
17 #include "tools/sk_app/unix/WindowContextFactory_unix.h"
18
19 #include <X11/Xlib-xcb.h>
20
21 namespace sk_app {
22
23 namespace window_context_factory {
24
MakeVulkanForXlib(const XlibWindowInfo & info,const DisplayParams & displayParams)25 std::unique_ptr<WindowContext> MakeVulkanForXlib(const XlibWindowInfo& info,
26 const DisplayParams& displayParams) {
27 PFN_vkGetInstanceProcAddr instProc;
28 if (!sk_gpu_test::LoadVkLibraryAndGetProcAddrFuncs(&instProc)) {
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 std::unique_ptr<WindowContext> ctx(
77 new VulkanWindowContext(displayParams, createVkSurface, canPresent, instProc));
78 if (!ctx->isValid()) {
79 return nullptr;
80 }
81 return ctx;
82 }
83
84 } // namespace window_context_factory
85
86 } // namespace sk_app
87