1 // Copyright 2019 The SwiftShader Authors. All Rights Reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef SWIFTSHADER_WIN32SURFACEKHR_HPP 16 #define SWIFTSHADER_WIN32SURFACEKHR_HPP 17 18 #include "VkSurfaceKHR.hpp" 19 #include "Vulkan/VkImage.hpp" 20 #include "Vulkan/VkObject.hpp" 21 22 #if !defined(WIN32_LEAN_AND_MEAN) 23 # define WIN32_LEAN_AND_MEAN 24 #endif // !defined(WIN32_LEAN_AND_MEAN) 25 #include <Windows.h> 26 #include <vulkan/vulkan_win32.h> 27 28 #include <map> 29 30 namespace vk { 31 32 class Win32SurfaceKHR : public SurfaceKHR, public ObjectBase<Win32SurfaceKHR, VkSurfaceKHR> 33 { 34 public: 35 Win32SurfaceKHR(const VkWin32SurfaceCreateInfoKHR *pCreateInfo, void *mem); 36 37 void destroySurface(const VkAllocationCallbacks *pAllocator) override; 38 39 static size_t ComputeRequiredAllocationSize(const VkWin32SurfaceCreateInfoKHR *pCreateInfo); 40 41 VkResult getSurfaceCapabilities(VkSurfaceCapabilitiesKHR *pSurfaceCapabilities) const override; 42 43 virtual void attachImage(PresentImage *image) override; 44 virtual void detachImage(PresentImage *image) override; 45 VkResult present(PresentImage *image) override; 46 47 private: 48 void lazyCreateFrameBuffer(); 49 void destroyFrameBuffer(); 50 51 const HWND hwnd; 52 53 HDC windowContext = {}; 54 HDC bitmapContext = {}; 55 VkExtent2D windowExtent = {}; 56 57 HBITMAP bitmap = {}; 58 unsigned int bitmapRowPitch = 0; 59 void *framebuffer = nullptr; 60 }; 61 62 } // namespace vk 63 #endif //SWIFTSHADER_WIN32SURFACEKHR_HPP 64