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| 1 |
| 2 /* |
| 3 * Copyright 2016 Google Inc. |
| 4 * |
| 5 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. |
| 7 */ |
| 8 #ifndef VulkanTestContext_DEFINED |
| 9 #define VulkanTestContext_DEFINED |
| 10 |
| 11 #ifdef SK_VULKAN |
| 12 |
| 13 #include "GrTypes.h" |
| 14 #include "vk/GrVkBackendContext.h" |
| 15 |
| 16 class SkSurface; |
| 17 class GrContext; |
| 18 |
| 19 class VulkanTestContext { |
| 20 public: |
| 21 ~VulkanTestContext(); |
| 22 |
| 23 // each platform will have to implement these in its CPP file |
| 24 VkSurfaceKHR createVkSurface(void* platformData); |
| 25 bool canPresent(uint32_t queueFamilyIndex); |
| 26 |
| 27 static VulkanTestContext* Create(void* platformData, int msaaSampleCount) { |
| 28 VulkanTestContext* ctx = new VulkanTestContext(platformData, msaaSampleC
ount); |
| 29 if (!ctx->isValid()) { |
| 30 delete ctx; |
| 31 return nullptr; |
| 32 } |
| 33 return ctx; |
| 34 } |
| 35 |
| 36 SkSurface* getBackbufferSurface(); |
| 37 void swapBuffers(); |
| 38 |
| 39 bool makeCurrent() { return true; } |
| 40 int getStencilBits() { return 0; } |
| 41 int getSampleCount() { return 0; } |
| 42 |
| 43 bool isValid() { return SkToBool(fBackendContext.get()); } |
| 44 |
| 45 void resize() { |
| 46 this->createSwapchain(0, 0); |
| 47 } |
| 48 |
| 49 GrBackendContext getBackendContext() { return (GrBackendContext)fBackendCont
ext.get(); } |
| 50 |
| 51 private: |
| 52 VulkanTestContext(); |
| 53 VulkanTestContext(void*, int msaaSampleCount); |
| 54 void initializeContext(void*); |
| 55 void destroyContext(); |
| 56 |
| 57 struct BackbufferInfo { |
| 58 uint32_t fImageIndex; // image this is associated with |
| 59 VkSemaphore fAcquireSemaphore; // we signal on this for acquisiti
on of image |
| 60 VkSemaphore fRenderSemaphore; // we wait on this for rendering t
o be done |
| 61 VkCommandBuffer fTransitionCmdBuffers[2]; // to transition layout betwee
n present and render |
| 62 VkFence fUsageFences[2]; // used to ensure this data is no
longer used on GPU |
| 63 }; |
| 64 |
| 65 BackbufferInfo* getAvailableBackbuffer(); |
| 66 bool createSwapchain(uint32_t width, uint32_t height); |
| 67 void createBuffers(); |
| 68 void destroyBuffers(); |
| 69 |
| 70 SkAutoTUnref<const GrVkBackendContext> fBackendContext; |
| 71 |
| 72 GrContext* fContext; |
| 73 VkSurfaceKHR fSurface; |
| 74 VkSwapchainKHR fSwapchain; |
| 75 uint32_t fPresentQueueIndex; |
| 76 VkQueue fPresentQueue; |
| 77 int fWidth; |
| 78 int fHeight; |
| 79 GrPixelConfig fPixelConfig; |
| 80 |
| 81 uint32_t fImageCount; |
| 82 VkImage* fImages; // images in the swapchain |
| 83 VkImageLayout* fImageLayouts; // layouts of these images when not color
attachment |
| 84 sk_sp<SkSurface>* fSurfaces; // wrapped surface for those images |
| 85 VkCommandPool fCommandPool; |
| 86 BackbufferInfo* fBackbuffers; |
| 87 uint32_t fCurrentBackbufferIndex; |
| 88 }; |
| 89 |
| 90 #endif // SK_VULKAN |
| 91 |
| 92 #endif |
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