| 1 | // Copyright 2018 The SwiftShader Authors. All Rights Reserved. |
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| 2 | // |
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| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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| 4 | // you may not use this file except in compliance with the License. |
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| 5 | // You may obtain a copy of the License at |
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| 6 | // |
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| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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| 8 | // |
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| 9 | // Unless required by applicable law or agreed to in writing, software |
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| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 12 | // See the License for the specific language governing permissions and |
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| 13 | // limitations under the License. |
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| 14 | |
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| 15 | #ifndef SWIFTSHADER_XCBSURFACEKHR_HPP |
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| 16 | #define SWIFTSHADER_XCBSURFACEKHR_HPP |
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| 17 | |
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| 18 | #include "VkSurfaceKHR.hpp" |
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| 19 | #include "Vulkan/VkObject.hpp" |
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| 20 | |
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| 21 | #include <xcb/shm.h> |
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| 22 | #include <xcb/xcb.h> |
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| 23 | // XCB headers must be included before the Vulkan header. |
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| 24 | #include <vulkan/vulkan_xcb.h> |
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| 25 | |
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| 26 | #include <unordered_map> |
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| 27 | |
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| 28 | namespace vk { |
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| 29 | |
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| 30 | class XcbSurfaceKHR : public SurfaceKHR, public ObjectBase<XcbSurfaceKHR, VkSurfaceKHR> |
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| 31 | { |
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| 32 | public: |
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| 33 | static bool isSupported(); |
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| 34 | XcbSurfaceKHR(const VkXcbSurfaceCreateInfoKHR *pCreateInfo, void *mem); |
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| 35 | |
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| 36 | void destroySurface(const VkAllocationCallbacks *pAllocator) override; |
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| 37 | |
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| 38 | static size_t ComputeRequiredAllocationSize(const VkXcbSurfaceCreateInfoKHR *pCreateInfo); |
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| 39 | |
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| 40 | VkResult getSurfaceCapabilities(const void *pSurfaceInfoPNext, VkSurfaceCapabilitiesKHR *pSurfaceCapabilities, void *pSurfaceCapabilitiesPNext) const override; |
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| 41 | |
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| 42 | virtual void *allocateImageMemory(PresentImage *image, const VkMemoryAllocateInfo &allocateInfo) override; |
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| 43 | virtual void releaseImageMemory(PresentImage *image) override; |
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| 44 | virtual void attachImage(PresentImage *image) override; |
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| 45 | virtual void detachImage(PresentImage *image) override; |
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| 46 | VkResult present(PresentImage *image) override; |
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| 47 | |
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| 48 | private: |
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| 49 | xcb_connection_t *connection = nullptr; |
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| 50 | xcb_window_t window = XCB_NONE; |
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| 51 | bool mitSHM = false; |
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| 52 | xcb_gcontext_t gc = XCB_NONE; |
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| 53 | int windowDepth = 0; |
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| 54 | mutable bool surfaceLost = false; |
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| 55 | struct SHMPixmap |
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| 56 | { |
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| 57 | xcb_shm_seg_t shmseg = XCB_NONE; |
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| 58 | void *shmaddr = nullptr; |
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| 59 | xcb_pixmap_t pixmap = XCB_NONE; |
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| 60 | }; |
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| 61 | std::unordered_map<PresentImage *, SHMPixmap> pixmaps; |
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| 62 | // std::unordered_map<PresentImage *, uint32_t> graphicsContexts; |
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| 63 | }; |
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| 64 | |
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| 65 | } // namespace vk |
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| 66 | #endif // SWIFTSHADER_XCBSURFACEKHR_HPP |
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| 67 | |
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