Greg Daniel | a5cb781 | 2017-06-16 09:45:32 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #ifndef GrBackendSemaphore_DEFINED |
| 9 | #define GrBackendSemaphore_DEFINED |
| 10 | |
| 11 | #include "GrTypes.h" |
| 12 | |
| 13 | #include "gl/GrGLTypes.h" |
| 14 | |
| 15 | #ifdef SK_VULKAN |
| 16 | #include "vk/GrVkTypes.h" |
| 17 | #endif |
| 18 | |
| 19 | /** |
| 20 | * Wrapper class for passing into and receiving data from Ganesh about a backend semaphore object. |
| 21 | */ |
| 22 | class GrBackendSemaphore { |
| 23 | public: |
| 24 | // For convenience we just set the backend here to OpenGL. The GrBackendSemaphore cannot be used |
| 25 | // until either initGL or initVulkan are called which will set the appropriate GrBackend. |
| 26 | GrBackendSemaphore() : fBackend(kOpenGL_GrBackend), fGLSync(0), fIsInitialized(false) {} |
| 27 | |
| 28 | void initGL(GrGLsync sync) { |
| 29 | fBackend = kOpenGL_GrBackend; |
| 30 | fGLSync = sync; |
| 31 | fIsInitialized = true; |
| 32 | } |
| 33 | |
| 34 | #ifdef SK_VULKAN |
| 35 | void initVulkan(VkSemaphore semaphore) { |
| 36 | fBackend = kVulkan_GrBackend; |
| 37 | fVkSemaphore = semaphore; |
| 38 | fIsInitialized = true; |
| 39 | } |
| 40 | #endif |
| 41 | |
Greg Daniel | 8761e0c | 2017-07-20 16:36:01 -0400 | [diff] [blame] | 42 | bool isInitialized() const { return fIsInitialized; } |
| 43 | |
Greg Daniel | a5cb781 | 2017-06-16 09:45:32 -0400 | [diff] [blame] | 44 | GrGLsync glSync() const { |
| 45 | if (!fIsInitialized || kOpenGL_GrBackend != fBackend) { |
| 46 | return 0; |
| 47 | } |
| 48 | return fGLSync; |
| 49 | } |
| 50 | |
| 51 | #ifdef SK_VULKAN |
| 52 | VkSemaphore vkSemaphore() const { |
| 53 | if (!fIsInitialized || kVulkan_GrBackend != fBackend) { |
| 54 | return VK_NULL_HANDLE; |
| 55 | } |
| 56 | return fVkSemaphore; |
| 57 | } |
| 58 | #endif |
| 59 | |
| 60 | private: |
| 61 | GrBackend fBackend; |
| 62 | union { |
| 63 | GrGLsync fGLSync; |
| 64 | #ifdef SK_VULKAN |
| 65 | VkSemaphore fVkSemaphore; |
| 66 | #endif |
| 67 | }; |
| 68 | bool fIsInitialized; |
| 69 | }; |
| 70 | |
| 71 | #endif |