diff options
Diffstat (limited to 'include/gpu/vk/GrVkBackendContext.h')
-rw-r--r-- | include/gpu/vk/GrVkBackendContext.h | 55 |
1 files changed, 47 insertions, 8 deletions
diff --git a/include/gpu/vk/GrVkBackendContext.h b/include/gpu/vk/GrVkBackendContext.h index fe018e494f..e68e27988a 100644 --- a/include/gpu/vk/GrVkBackendContext.h +++ b/include/gpu/vk/GrVkBackendContext.h @@ -34,11 +34,9 @@ enum GrVkFeatureFlags { // is that the client will set these up and pass them to the GrVkGpu constructor. The VkDevice // created must support at least one graphics queue, which is passed in as well. // The QueueFamilyIndex must match the family of the given queue. It is needed for CommandPool -// creation, and any GrBackendObjects handed to us (e.g., for wrapped textures) needs to be created -// in or transitioned to that family. The refs held by members of this struct must be released -// (either by deleting the struct or manually releasing the refs) before the underlying vulkan -// device and instance are destroyed. -struct SK_API GrVkBackendContext { +// creation, and any GrBackendObjects handed to us (e.g., for wrapped textures) need to be created +// in or transitioned to that family. +struct SK_API GrVkBackendContext : public SkRefCnt { VkInstance fInstance; VkPhysicalDevice fPhysicalDevice; VkDevice fDevice; @@ -50,9 +48,50 @@ struct SK_API GrVkBackendContext { sk_sp<const GrVkInterface> fInterface; sk_sp<GrVkMemoryAllocator> fMemoryAllocator; - // This is deprecated and should be set to false. The client is responsible for managing the - // lifetime of the VkInstance and VkDevice objects. - bool fOwnsInstanceAndDevice = false; + /** + * Controls whether this object destroys the instance and device upon destruction. The default + * is temporarily 'true' to avoid breaking existing clients but will be changed to 'false'. + */ + bool fOwnsInstanceAndDevice = true; + +#if GR_TEST_UTILS || defined(SK_BUILD_FOR_ANDROID_FRAMEWORK) + using CanPresentFn = std::function<bool(VkInstance, VkPhysicalDevice, + uint32_t queueFamilyIndex)>; + + /** + * Helper function to create the Vulkan objects needed for a Vulkan-backed GrContext. + * Note that the version that uses the unified "GetProc" instead of separate "GetInstanceProc" + * and "GetDeviceProc" functions will be removed. + * + * If presentQueueIndex is non-NULL, will try to set up presentQueue as part of device + * creation using the platform-specific canPresent() function. + * + * This will set fOwnsInstanceAndDevice to 'true'. If it is subsequently set to 'false' then + * the client owns the lifetime of the created VkDevice and VkInstance. + */ + static const GrVkBackendContext* Create(uint32_t* presentQueueIndex = nullptr, + CanPresentFn = CanPresentFn(), + GrVkInterface::GetProc getProc = nullptr); + + static const GrVkBackendContext* Create(const GrVkInterface::GetInstanceProc& getInstanceProc, + const GrVkInterface::GetDeviceProc& getDeviceProc, + uint32_t* presentQueueIndex = nullptr, + CanPresentFn canPresent = CanPresentFn()) { + if (!getInstanceProc || !getDeviceProc) { + return nullptr; + } + auto getProc = [&getInstanceProc, &getDeviceProc](const char* proc_name, + VkInstance instance, VkDevice device) { + if (device != VK_NULL_HANDLE) { + return getDeviceProc(device, proc_name); + } + return getInstanceProc(instance, proc_name); + }; + return Create(presentQueueIndex, canPresent, getProc); + } +#endif // GR_TEST_UTILS || defined(SK_BUILD_FOR_ANDROID_FRAMEWORK) + + ~GrVkBackendContext() override; }; #endif |