VulkanWindowContext_unix.cpp 3.1 KB

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  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. #include "include/gpu/vk/GrVkVulkan.h"
  8. #include "src/gpu/vk/GrVkInterface.h"
  9. #include "src/gpu/vk/GrVkUtil.h"
  10. #include "tools/gpu/vk/VkTestUtils.h"
  11. #include "tools/sk_app/VulkanWindowContext.h"
  12. #include "tools/sk_app/unix/WindowContextFactory_unix.h"
  13. #include <X11/Xlib-xcb.h>
  14. namespace sk_app {
  15. namespace window_context_factory {
  16. WindowContext* NewVulkanForXlib(const XlibWindowInfo& info, const DisplayParams& displayParams) {
  17. PFN_vkGetInstanceProcAddr instProc;
  18. PFN_vkGetDeviceProcAddr devProc;
  19. if (!sk_gpu_test::LoadVkLibraryAndGetProcAddrFuncs(&instProc, &devProc)) {
  20. return nullptr;
  21. }
  22. auto createVkSurface = [&info, instProc](VkInstance instance) -> VkSurfaceKHR {
  23. static PFN_vkCreateXcbSurfaceKHR createXcbSurfaceKHR = nullptr;
  24. if (!createXcbSurfaceKHR) {
  25. createXcbSurfaceKHR =
  26. (PFN_vkCreateXcbSurfaceKHR) instProc(instance, "vkCreateXcbSurfaceKHR");
  27. }
  28. VkSurfaceKHR surface;
  29. VkXcbSurfaceCreateInfoKHR surfaceCreateInfo;
  30. memset(&surfaceCreateInfo, 0, sizeof(VkXcbSurfaceCreateInfoKHR));
  31. surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
  32. surfaceCreateInfo.pNext = nullptr;
  33. surfaceCreateInfo.flags = 0;
  34. surfaceCreateInfo.connection = XGetXCBConnection(info.fDisplay);
  35. surfaceCreateInfo.window = info.fWindow;
  36. VkResult res = createXcbSurfaceKHR(instance, &surfaceCreateInfo, nullptr, &surface);
  37. if (VK_SUCCESS != res) {
  38. return VK_NULL_HANDLE;
  39. }
  40. return surface;
  41. };
  42. auto canPresent = [&info, instProc](VkInstance instance, VkPhysicalDevice physDev,
  43. uint32_t queueFamilyIndex) {
  44. static PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR
  45. getPhysicalDeviceXcbPresentationSupportKHR = nullptr;
  46. if (!getPhysicalDeviceXcbPresentationSupportKHR) {
  47. getPhysicalDeviceXcbPresentationSupportKHR =
  48. (PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR)
  49. instProc(instance, "vkGetPhysicalDeviceXcbPresentationSupportKHR");
  50. }
  51. Display* display = info.fDisplay;
  52. VisualID visualID = info.fVisualInfo->visualid;
  53. VkBool32 check = getPhysicalDeviceXcbPresentationSupportKHR(physDev,
  54. queueFamilyIndex,
  55. XGetXCBConnection(display),
  56. visualID);
  57. return (VK_FALSE != check);
  58. };
  59. WindowContext* context = new VulkanWindowContext(displayParams, createVkSurface, canPresent,
  60. instProc, devProc);
  61. if (!context->isValid()) {
  62. delete context;
  63. return nullptr;
  64. }
  65. return context;
  66. }
  67. } // namespace VulkanWindowContextFactory
  68. } // namespace sk_app