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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "vk/GrVkInterface.h"
#include "vk/GrVkUtil.h"
#include "vk/VkTestUtils.h"
#include <X11/Xlib-xcb.h>
#include "WindowContextFactory_unix.h"
#include "../VulkanWindowContext.h"
namespace sk_app {
namespace window_context_factory {
WindowContext* NewVulkanForXlib(const XlibWindowInfo& info, const DisplayParams& displayParams) {
PFN_vkGetInstanceProcAddr instProc;
PFN_vkGetDeviceProcAddr devProc;
if (!sk_gpu_test::LoadVkLibraryAndGetProcAddrFuncs(&instProc, &devProc)) {
return nullptr;
}
auto createVkSurface = [&info, instProc](VkInstance instance) -> VkSurfaceKHR {
static PFN_vkCreateXcbSurfaceKHR createXcbSurfaceKHR = nullptr;
if (!createXcbSurfaceKHR) {
createXcbSurfaceKHR =
(PFN_vkCreateXcbSurfaceKHR) instProc(instance, "vkCreateXcbSurfaceKHR");
}
VkSurfaceKHR surface;
VkXcbSurfaceCreateInfoKHR surfaceCreateInfo;
memset(&surfaceCreateInfo, 0, sizeof(VkXcbSurfaceCreateInfoKHR));
surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
surfaceCreateInfo.pNext = nullptr;
surfaceCreateInfo.flags = 0;
surfaceCreateInfo.connection = XGetXCBConnection(info.fDisplay);
surfaceCreateInfo.window = info.fWindow;
VkResult res = createXcbSurfaceKHR(instance, &surfaceCreateInfo, nullptr, &surface);
if (VK_SUCCESS != res) {
return VK_NULL_HANDLE;
}
return surface;
};
auto canPresent = [&info, instProc](VkInstance instance, VkPhysicalDevice physDev,
uint32_t queueFamilyIndex) {
static PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR
getPhysicalDeviceXcbPresentationSupportKHR = nullptr;
if (!getPhysicalDeviceXcbPresentationSupportKHR) {
getPhysicalDeviceXcbPresentationSupportKHR =
(PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR)
instProc(instance, "vkGetPhysicalDeviceXcbPresentationSupportKHR");
}
Display* display = info.fDisplay;
VisualID visualID = info.fVisualInfo->visualid;
VkBool32 check = getPhysicalDeviceXcbPresentationSupportKHR(physDev,
queueFamilyIndex,
XGetXCBConnection(display),
visualID);
return (VK_FALSE != check);
};
WindowContext* context = new VulkanWindowContext(displayParams, createVkSurface, canPresent,
instProc, devProc);
if (!context->isValid()) {
delete context;
return nullptr;
}
return context;
}
} // namespace VulkanWindowContextFactory
} // namespace sk_app
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