1 files changed, 76 insertions, 0 deletions
diff --git a/gfx/skia/skia/include/gpu/vk/GrVkBackendContext.h b/gfx/skia/skia/include/gpu/vk/GrVkBackendContext.h
new file mode 100644
index 0000000000..a4fd336ff7
--- /dev/null
+++ b/gfx/skia/skia/include/gpu/vk/GrVkBackendContext.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrVkBackendContext_DEFINED
+#define GrVkBackendContext_DEFINED
+
+#include "include/core/SkRefCnt.h"
+#include "include/gpu/vk/GrVkMemoryAllocator.h"
+#include "include/gpu/vk/GrVkTypes.h"
+
+class GrVkExtensions;
+
+enum GrVkExtensionFlags {
+    kEXT_debug_report_GrVkExtensionFlag    = 0x0001,
+    kNV_glsl_shader_GrVkExtensionFlag      = 0x0002,
+    kKHR_surface_GrVkExtensionFlag         = 0x0004,
+    kKHR_swapchain_GrVkExtensionFlag       = 0x0008,
+    kKHR_win32_surface_GrVkExtensionFlag   = 0x0010,
+    kKHR_android_surface_GrVkExtensionFlag = 0x0020,
+    kKHR_xcb_surface_GrVkExtensionFlag     = 0x0040,
+};
+
+enum GrVkFeatureFlags {
+    kGeometryShader_GrVkFeatureFlag    = 0x0001,
+    kDualSrcBlend_GrVkFeatureFlag      = 0x0002,
+    kSampleRateShading_GrVkFeatureFlag = 0x0004,
+};
+
+// It is not guarenteed VkPhysicalDeviceProperties2 will be in the client's header so we forward
+// declare it here to be safe.
+struct VkPhysicalDeviceFeatures2;
+
+// The BackendContext contains all of the base Vulkan objects needed by the GrVkGpu. The assumption
+// 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 {
+    VkInstance                       fInstance;
+    VkPhysicalDevice                 fPhysicalDevice;
+    VkDevice                         fDevice;
+    VkQueue                          fQueue;
+    uint32_t                         fGraphicsQueueIndex;
+    uint32_t                         fMinAPIVersion; // Deprecated. Set fInstanceVersion instead.
+    uint32_t                         fInstanceVersion = 0; // Deprecated. Set fMaxApiVersion instead
+    // The max api version set here should match the value set in VkApplicationInfo::apiVersion when
+    // then VkInstance was created.
+    uint32_t                         fMaxAPIVersion = 0;
+    uint32_t                         fExtensions = 0; // Deprecated. Use fVkExtensions instead.
+    const GrVkExtensions*            fVkExtensions = nullptr;
+    uint32_t                         fFeatures; // Deprecated. Use fDeviceFeatures[2] instead.
+    // The client can create their VkDevice with either a VkPhysicalDeviceFeatures or
+    // VkPhysicalDeviceFeatures2 struct, thus we have to support taking both. The
+    // VkPhysicalDeviceFeatures2 struct is needed so we know if the client enabled any extension
+    // specific features. If fDeviceFeatures2 is not null then we ignore fDeviceFeatures. If both
+    // fDeviceFeatures and fDeviceFeatures2 are null we will assume no features are enabled.
+    const VkPhysicalDeviceFeatures*  fDeviceFeatures = nullptr;
+    const VkPhysicalDeviceFeatures2* fDeviceFeatures2 = nullptr;
+    sk_sp<GrVkMemoryAllocator>       fMemoryAllocator;
+    GrVkGetProc                      fGetProc = nullptr;
+    // 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;
+    // Indicates that we are working with protected content and all CommandPool and Queue operations
+    // should be done in a protected context.
+    GrProtected                      fProtectedContext = GrProtected::kNo;
+};
+
+#endif