Add vulkan files into skia repo.

include/gpu/vk/GrVkInterface.h

Index: include/gpu/vk/GrVkInterface.h
diff --git a/include/gpu/vk/GrVkInterface.h b/include/gpu/vk/GrVkInterface.h
new file mode 100644
index 0000000000000000000000000000000000000000..5676b86e3aed9bb1ab67313dafe95850948cbc54
--- /dev/null
+++ b/include/gpu/vk/GrVkInterface.h
@@ -0,0 +1,218 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrRadInterface_DEFINED
+#define GrRadInterface_DEFINED
+
+#include "SkRefCnt.h"
+
+#include "vulkan/vulkan.h"
+
+////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * The default interface is returned by GrVkDefaultInterface. This function's
+ * implementation is platform-specific.
+ */
+
+struct GrVkInterface;
+
+/**
+ * Creates a GrVkInterface.
+ */
+const GrVkInterface* GrVkCreateInterface(VkInstance instance);
+
+
+/**
+ * GrContext uses the following interface to make all calls into Vulkan. When a
+ * GrContext is created it is given a GrVkInterface. All functions that should be
+ * available based on the Vulkan's version must be non-NULL or GrContext creation
+ * will fail. This can be tested with the validate() method.
+ */
+struct SK_API GrVkInterface : public SkRefCnt {
+private:
+    // simple wrapper class that exists only to initialize a pointer to NULL
+    template <typename FNPTR_TYPE> class VkPtr {
+    public:
+        VkPtr() : fPtr(NULL) {}
+        VkPtr operator=(FNPTR_TYPE ptr) { fPtr = ptr; return *this; }
+        operator FNPTR_TYPE() const { return fPtr; }
+    private:
+        FNPTR_TYPE fPtr;
+    };
+
+    typedef SkRefCnt INHERITED;
+
+public:
+    GrVkInterface();
+
+    // Validates that the GrVkInterface supports its advertised standard. This means the necessary
+    // function pointers have been initialized for Vulkan version.
+    bool validate() const;
+
+    /**
+     * The function pointers are in a struct so that we can have a compiler generated assignment
+     * operator.
+     */
+    struct Functions {
+        VkPtr<PFN_vkCreateInstance> fCreateInstance;
+        VkPtr<PFN_vkDestroyInstance> fDestroyInstance;
+        VkPtr<PFN_vkEnumeratePhysicalDevices> fEnumeratePhysicalDevices;
+        VkPtr<PFN_vkGetPhysicalDeviceFeatures> fGetPhysicalDeviceFeatures;
+        VkPtr<PFN_vkGetPhysicalDeviceFormatProperties> fGetPhysicalDeviceFormatProperties;
+        VkPtr<PFN_vkGetPhysicalDeviceImageFormatProperties> fGetPhysicalDeviceImageFormatProperties;
+        VkPtr<PFN_vkGetPhysicalDeviceProperties> fGetPhysicalDeviceProperties;
+        VkPtr<PFN_vkGetPhysicalDeviceQueueFamilyProperties> fGetPhysicalDeviceQueueFamilyProperties;
+        VkPtr<PFN_vkGetPhysicalDeviceMemoryProperties> fGetPhysicalDeviceMemoryProperties;
+        VkPtr<PFN_vkCreateDevice> fCreateDevice;
+        VkPtr<PFN_vkDestroyDevice> fDestroyDevice;
+        VkPtr<PFN_vkEnumerateInstanceExtensionProperties> fEnumerateInstanceExtensionProperties;
+        VkPtr<PFN_vkEnumerateDeviceExtensionProperties> fEnumerateDeviceExtensionProperties;
+        VkPtr<PFN_vkEnumerateInstanceLayerProperties> fEnumerateInstanceLayerProperties;
+        VkPtr<PFN_vkEnumerateDeviceLayerProperties> fEnumerateDeviceLayerProperties;
+        VkPtr<PFN_vkGetDeviceQueue> fGetDeviceQueue;
+        VkPtr<PFN_vkQueueSubmit> fQueueSubmit;
+        VkPtr<PFN_vkQueueWaitIdle> fQueueWaitIdle;
+        VkPtr<PFN_vkDeviceWaitIdle> fDeviceWaitIdle;
+        VkPtr<PFN_vkAllocateMemory> fAllocateMemory;
+        VkPtr<PFN_vkFreeMemory> fFreeMemory;
+        VkPtr<PFN_vkMapMemory> fMapMemory;
+        VkPtr<PFN_vkUnmapMemory> fUnmapMemory;
+        VkPtr<PFN_vkFlushMappedMemoryRanges> fFlushMappedMemoryRanges;
+        VkPtr<PFN_vkInvalidateMappedMemoryRanges> fInvalidateMappedMemoryRanges;
+        VkPtr<PFN_vkGetDeviceMemoryCommitment> fGetDeviceMemoryCommitment;
+        VkPtr<PFN_vkBindBufferMemory> fBindBufferMemory;
+        VkPtr<PFN_vkBindImageMemory> fBindImageMemory;
+        VkPtr<PFN_vkGetBufferMemoryRequirements> fGetBufferMemoryRequirements;
+        VkPtr<PFN_vkGetImageMemoryRequirements> fGetImageMemoryRequirements;
+        VkPtr<PFN_vkGetImageSparseMemoryRequirements> fGetImageSparseMemoryRequirements;
+        VkPtr<PFN_vkGetPhysicalDeviceSparseImageFormatProperties> fGetPhysicalDeviceSparseImageFormatProperties;
+        VkPtr<PFN_vkQueueBindSparse> fQueueBindSparse;
+        VkPtr<PFN_vkCreateFence> fCreateFence;
+        VkPtr<PFN_vkDestroyFence> fDestroyFence;
+        VkPtr<PFN_vkResetFences> fResetFences;
+        VkPtr<PFN_vkGetFenceStatus> fGetFenceStatus;
+        VkPtr<PFN_vkWaitForFences> fWaitForFences;
+        VkPtr<PFN_vkCreateSemaphore> fCreateSemaphore;
+        VkPtr<PFN_vkDestroySemaphore> fDestroySemaphore;
+        VkPtr<PFN_vkCreateEvent> fCreateEvent;
+        VkPtr<PFN_vkDestroyEvent> fDestroyEvent;
+        VkPtr<PFN_vkGetEventStatus> fGetEventStatus;
+        VkPtr<PFN_vkSetEvent> fSetEvent;
+        VkPtr<PFN_vkResetEvent> fResetEvent;
+        VkPtr<PFN_vkCreateQueryPool> fCreateQueryPool;
+        VkPtr<PFN_vkDestroyQueryPool> fDestroyQueryPool;
+        VkPtr<PFN_vkGetQueryPoolResults> fGetQueryPoolResults;
+        VkPtr<PFN_vkCreateBuffer> fCreateBuffer;
+        VkPtr<PFN_vkDestroyBuffer> fDestroyBuffer;
+        VkPtr<PFN_vkCreateBufferView> fCreateBufferView;
+        VkPtr<PFN_vkDestroyBufferView> fDestroyBufferView;
+        VkPtr<PFN_vkCreateImage> fCreateImage;
+        VkPtr<PFN_vkDestroyImage> fDestroyImage;
+        VkPtr<PFN_vkGetImageSubresourceLayout> fGetImageSubresourceLayout;
+        VkPtr<PFN_vkCreateImageView> fCreateImageView;
+        VkPtr<PFN_vkDestroyImageView> fDestroyImageView;
+        VkPtr<PFN_vkCreateShaderModule> fCreateShaderModule;
+        VkPtr<PFN_vkDestroyShaderModule> fDestroyShaderModule;
+        VkPtr<PFN_vkCreatePipelineCache> fCreatePipelineCache;
+        VkPtr<PFN_vkDestroyPipelineCache> fDestroyPipelineCache;
+        VkPtr<PFN_vkGetPipelineCacheData> fGetPipelineCacheData;
+        VkPtr<PFN_vkMergePipelineCaches> fMergePipelineCaches;
+        VkPtr<PFN_vkCreateGraphicsPipelines> fCreateGraphicsPipelines;
+        VkPtr<PFN_vkCreateComputePipelines> fCreateComputePipelines;
+        VkPtr<PFN_vkDestroyPipeline> fDestroyPipeline;
+        VkPtr<PFN_vkCreatePipelineLayout> fCreatePipelineLayout;
+        VkPtr<PFN_vkDestroyPipelineLayout> fDestroyPipelineLayout;
+        VkPtr<PFN_vkCreateSampler> fCreateSampler;
+        VkPtr<PFN_vkDestroySampler> fDestroySampler;
+        VkPtr<PFN_vkCreateDescriptorSetLayout> fCreateDescriptorSetLayout;
+        VkPtr<PFN_vkDestroyDescriptorSetLayout> fDestroyDescriptorSetLayout;
+        VkPtr<PFN_vkCreateDescriptorPool> fCreateDescriptorPool;
+        VkPtr<PFN_vkDestroyDescriptorPool> fDestroyDescriptorPool;
+        VkPtr<PFN_vkResetDescriptorPool> fResetDescriptorPool;
+        VkPtr<PFN_vkAllocateDescriptorSets> fAllocateDescriptorSets;
+        VkPtr<PFN_vkFreeDescriptorSets> fFreeDescriptorSets;
+        VkPtr<PFN_vkUpdateDescriptorSets> fUpdateDescriptorSets;
+        VkPtr<PFN_vkCreateFramebuffer> fCreateFramebuffer;
+        VkPtr<PFN_vkDestroyFramebuffer> fDestroyFramebuffer;
+        VkPtr<PFN_vkCreateRenderPass> fCreateRenderPass;
+        VkPtr<PFN_vkDestroyRenderPass> fDestroyRenderPass;
+        VkPtr<PFN_vkGetRenderAreaGranularity> fGetRenderAreaGranularity;
+        VkPtr<PFN_vkCreateCommandPool> fCreateCommandPool;
+        VkPtr<PFN_vkDestroyCommandPool> fDestroyCommandPool;
+        VkPtr<PFN_vkResetCommandPool> fResetCommandPool;
+        VkPtr<PFN_vkAllocateCommandBuffers> fAllocateCommandBuffers;
+        VkPtr<PFN_vkFreeCommandBuffers> fFreeCommandBuffers;
+        VkPtr<PFN_vkBeginCommandBuffer> fBeginCommandBuffer;
+        VkPtr<PFN_vkEndCommandBuffer> fEndCommandBuffer;
+        VkPtr<PFN_vkResetCommandBuffer> fResetCommandBuffer;
+        VkPtr<PFN_vkCmdBindPipeline> fCmdBindPipeline;
+        VkPtr<PFN_vkCmdSetViewport> fCmdSetViewport;
+        VkPtr<PFN_vkCmdSetScissor> fCmdSetScissor;
+        VkPtr<PFN_vkCmdSetLineWidth> fCmdSetLineWidth;
+        VkPtr<PFN_vkCmdSetDepthBias> fCmdSetDepthBias;
+        VkPtr<PFN_vkCmdSetBlendConstants> fCmdSetBlendConstants;
+        VkPtr<PFN_vkCmdSetDepthBounds> fCmdSetDepthBounds;
+        VkPtr<PFN_vkCmdSetStencilCompareMask> fCmdSetStencilCompareMask;
+        VkPtr<PFN_vkCmdSetStencilWriteMask> fCmdSetStencilWriteMask;
+        VkPtr<PFN_vkCmdSetStencilReference> fCmdSetStencilReference;
+        VkPtr<PFN_vkCmdBindDescriptorSets> fCmdBindDescriptorSets;
+        VkPtr<PFN_vkCmdBindIndexBuffer> fCmdBindIndexBuffer;
+        VkPtr<PFN_vkCmdBindVertexBuffers> fCmdBindVertexBuffers;
+        VkPtr<PFN_vkCmdDraw> fCmdDraw;
+        VkPtr<PFN_vkCmdDrawIndexed> fCmdDrawIndexed;
+        VkPtr<PFN_vkCmdDrawIndirect> fCmdDrawIndirect;
+        VkPtr<PFN_vkCmdDrawIndexedIndirect> fCmdDrawIndexedIndirect;
+        VkPtr<PFN_vkCmdDispatch> fCmdDispatch;
+        VkPtr<PFN_vkCmdDispatchIndirect> fCmdDispatchIndirect;
+        VkPtr<PFN_vkCmdCopyBuffer> fCmdCopyBuffer;
+        VkPtr<PFN_vkCmdCopyImage> fCmdCopyImage;
+        VkPtr<PFN_vkCmdBlitImage> fCmdBlitImage;
+        VkPtr<PFN_vkCmdCopyBufferToImage> fCmdCopyBufferToImage;
+        VkPtr<PFN_vkCmdCopyImageToBuffer> fCmdCopyImageToBuffer;
+        VkPtr<PFN_vkCmdUpdateBuffer> fCmdUpdateBuffer;
+        VkPtr<PFN_vkCmdFillBuffer> fCmdFillBuffer;
+        VkPtr<PFN_vkCmdClearColorImage> fCmdClearColorImage;
+        VkPtr<PFN_vkCmdClearDepthStencilImage> fCmdClearDepthStencilImage;
+        VkPtr<PFN_vkCmdClearAttachments> fCmdClearAttachments;
+        VkPtr<PFN_vkCmdResolveImage> fCmdResolveImage;
+        VkPtr<PFN_vkCmdSetEvent> fCmdSetEvent;
+        VkPtr<PFN_vkCmdResetEvent> fCmdResetEvent;
+        VkPtr<PFN_vkCmdWaitEvents> fCmdWaitEvents;
+        VkPtr<PFN_vkCmdPipelineBarrier> fCmdPipelineBarrier;
+        VkPtr<PFN_vkCmdBeginQuery> fCmdBeginQuery;
+        VkPtr<PFN_vkCmdEndQuery> fCmdEndQuery;
+        VkPtr<PFN_vkCmdResetQueryPool> fCmdResetQueryPool;
+        VkPtr<PFN_vkCmdWriteTimestamp> fCmdWriteTimestamp;
+        VkPtr<PFN_vkCmdCopyQueryPoolResults> fCmdCopyQueryPoolResults;
+        VkPtr<PFN_vkCmdPushConstants> fCmdPushConstants;
+        VkPtr<PFN_vkCmdBeginRenderPass> fCmdBeginRenderPass;
+        VkPtr<PFN_vkCmdNextSubpass> fCmdNextSubpass;
+        VkPtr<PFN_vkCmdEndRenderPass> fCmdEndRenderPass;
+        VkPtr<PFN_vkCmdExecuteCommands> fCmdExecuteCommands;
+        VkPtr<PFN_vkDestroySurfaceKHR> fDestroySurfaceKHR;
+        VkPtr<PFN_vkGetPhysicalDeviceSurfaceSupportKHR> fGetPhysicalDeviceSurfaceSupportKHR;
+        VkPtr<PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR> fGetPhysicalDeviceSurfaceCapabilitiesKHR;
+        VkPtr<PFN_vkGetPhysicalDeviceSurfaceFormatsKHR> fGetPhysicalDeviceSurfaceFormatsKHR;
+        VkPtr<PFN_vkGetPhysicalDeviceSurfacePresentModesKHR> fGetPhysicalDeviceSurfacePresentModesKHR;
+        VkPtr<PFN_vkCreateSwapchainKHR> fCreateSwapchainKHR;
+        VkPtr<PFN_vkDestroySwapchainKHR> fDestroySwapchainKHR;
+        VkPtr<PFN_vkGetSwapchainImagesKHR> fGetSwapchainImagesKHR;
+        VkPtr<PFN_vkAcquireNextImageKHR> fAcquireNextImageKHR;
+        VkPtr<PFN_vkQueuePresentKHR> fQueuePresentKHR;
+        VkPtr<PFN_vkGetPhysicalDeviceDisplayPropertiesKHR> fGetPhysicalDeviceDisplayPropertiesKHR;
+        VkPtr<PFN_vkGetPhysicalDeviceDisplayPlanePropertiesKHR> fGetPhysicalDeviceDisplayPlanePropertiesKHR;
+        VkPtr<PFN_vkGetDisplayPlaneSupportedDisplaysKHR> fGetDisplayPlaneSupportedDisplaysKHR;
+        VkPtr<PFN_vkGetDisplayModePropertiesKHR> fGetDisplayModePropertiesKHR;
+        VkPtr<PFN_vkCreateDisplayModeKHR> fCreateDisplayModeKHR;
+        VkPtr<PFN_vkGetDisplayPlaneCapabilitiesKHR> fGetDisplayPlaneCapabilitiesKHR;
+        VkPtr<PFN_vkCreateDisplayPlaneSurfaceKHR> fCreateDisplayPlaneSurfaceKHR;
+        VkPtr<PFN_vkCreateSharedSwapchainsKHR> fCreateSharedSwapchainsKHR;
+    } fFunctions;
+};
+
+#endif