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 PFN_vkGetDeviceProcAddr devProc;
29 if (!sk_gpu_test::LoadVkLibraryAndGetProcAddrFuncs(&instProc, &devProc)) {
30 return nullptr;
31 }
32
33 auto createVkSurface = [&info, instProc](VkInstance instance) -> VkSurfaceKHR {
34 static PFN_vkCreateXcbSurfaceKHR createXcbSurfaceKHR = nullptr;
35 if (!createXcbSurfaceKHR) {
36 createXcbSurfaceKHR =
37 (PFN_vkCreateXcbSurfaceKHR) instProc(instance, "vkCreateXcbSurfaceKHR");
38 }
39
40 VkSurfaceKHR surface;
41
42 VkXcbSurfaceCreateInfoKHR surfaceCreateInfo;
43 memset(&surfaceCreateInfo, 0, sizeof(VkXcbSurfaceCreateInfoKHR));
44 surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
45 surfaceCreateInfo.pNext = nullptr;
46 surfaceCreateInfo.flags = 0;
47 surfaceCreateInfo.connection = XGetXCBConnection(info.fDisplay);
48 surfaceCreateInfo.window = info.fWindow;
49
50 VkResult res = createXcbSurfaceKHR(instance, &surfaceCreateInfo, nullptr, &surface);
51 if (VK_SUCCESS != res) {
52 return VK_NULL_HANDLE;
53 }
54
55 return surface;
56 };
57
58 auto canPresent = [&info, instProc](VkInstance instance, VkPhysicalDevice physDev,
59 uint32_t queueFamilyIndex) {
60 static PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR
61 getPhysicalDeviceXcbPresentationSupportKHR = nullptr;
62 if (!getPhysicalDeviceXcbPresentationSupportKHR) {
63 getPhysicalDeviceXcbPresentationSupportKHR =
64 (PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR)
65 instProc(instance, "vkGetPhysicalDeviceXcbPresentationSupportKHR");
66 }
67
68
69 Display* display = info.fDisplay;
70 VisualID visualID = info.fVisualInfo->visualid;
71 VkBool32 check = getPhysicalDeviceXcbPresentationSupportKHR(physDev,
72 queueFamilyIndex,
73 XGetXCBConnection(display),
74 visualID);
75 return (VK_FALSE != check);
76 };
77 std::unique_ptr<WindowContext> ctx(
78 new VulkanWindowContext(displayParams, createVkSurface, canPresent, instProc, devProc));
79 if (!ctx->isValid()) {
80 return nullptr;
81 }
82 return ctx;
83 }
84
85 } // namespace window_context_factory
86
87 } // namespace sk_app
88