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add direct to display wsi swapchain option

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direct to display swapchain needs to be enabled at compile time with option -DUSE_D2D_WSI=ON

currently tested under linux
This commit is contained in:
Shi Yan 2016-11-04 13:32:58 -07:00
parent 6f75370240
commit 9b5127f894
25 changed files with 262 additions and 45 deletions
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48
base/vulkanexamplebase.cpp
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@ -25,6 +25,8 @@ VkResult VulkanExampleBase::createInstance(bool enableValidation)
enabledExtensions.push_back(VK_KHR_WIN32_SURFACE_EXTENSION_NAME);
#elif defined(__ANDROID__)
enabledExtensions.push_back(VK_KHR_ANDROID_SURFACE_EXTENSION_NAME);
#elif defined(_DIRECT2DISPLAY)
enabledExtensions.push_back(VK_KHR_DISPLAY_EXTENSION_NAME);
#elif defined(__linux__)
enabledExtensions.push_back(VK_KHR_XCB_SURFACE_EXTENSION_NAME);
#endif
@ -509,6 +511,43 @@ void VulkanExampleBase::renderLoop()
}
}
}
#elif defined(_DIRECT2DISPLAY)
while (!quit)
{
auto tStart = std::chrono::high_resolution_clock::now();
if (viewUpdated)
{
viewUpdated = false;
viewChanged();
}
render();
frameCounter++;
auto tEnd = std::chrono::high_resolution_clock::now();
auto tDiff = std::chrono::duration<double, std::milli>(tEnd - tStart).count();
frameTimer = tDiff / 1000.0f;
camera.update(frameTimer);
if (camera.moving())
{
viewUpdated = true;
}
// Convert to clamped timer value
if (!paused)
{
timer += timerSpeed * frameTimer;
if (timer > 1.0)
{
timer -= 1.0f;
}
}
fpsTimer += (float)tDiff;
if (fpsTimer > 1000.0f)
{
lastFPS = frameCounter;
updateTextOverlay();
fpsTimer = 0.0f;
frameCounter = 0;
}
}
#elif defined(__linux__)
xcb_flush(connection);
while (!quit)
@ -654,6 +693,8 @@ VulkanExampleBase::VulkanExampleBase(bool enableValidation, PFN_GetEnabledFeatur
// Vulkan library is loaded dynamically on Android
bool libLoaded = loadVulkanLibrary();
assert(libLoaded);
#elif defined(_DIRECT2DISPLAY)
#elif defined(__linux__)
initxcbConnection();
#endif
@ -733,7 +774,9 @@ VulkanExampleBase::~VulkanExampleBase()
vkDestroyInstance(instance, nullptr);
#if defined(__linux)
#if defined(_DIRECT2DISPLAY)
#elif defined(__linux)
#if defined(__ANDROID__)
// todo : android cleanup (if required)
#else
@ -1212,6 +1255,7 @@ void VulkanExampleBase::handleAppCommand(android_app * app, int32_t cmd)
break;
}
}
#elif defined(_DIRECT2DISPLAY)
#elif defined(__linux__)
// Set up a window using XCB and request event types
xcb_window_t VulkanExampleBase::setupWindow()
@ -1652,6 +1696,8 @@ void VulkanExampleBase::initSwapchain()
swapChain.initSurface(windowInstance, window);
#elif defined(__ANDROID__)
swapChain.initSurface(androidApp->window);
#elif defined(_DIRECT2DISPLAY)
swapChain.initSurface(width, height);
#elif defined(__linux__)
swapChain.initSurface(connection, window);
#endif