Add vulkan files into skia repo.

src/gpu/vk/GrVkResourceProvider.h

Index: src/gpu/vk/GrVkResourceProvider.h
diff --git a/src/gpu/vk/GrVkResourceProvider.h b/src/gpu/vk/GrVkResourceProvider.h
new file mode 100644
index 0000000000000000000000000000000000000000..245062ea8df4827f69713b115373063ecd3400ac
--- /dev/null
+++ b/src/gpu/vk/GrVkResourceProvider.h
@@ -0,0 +1,77 @@
+/*
+* 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 GrVkResourceProvider_DEFINED
+#define GrVkResourceProvider_DEFINED
+
+#include "GrVkDescriptorPool.h"
+#include "GrVkResource.h"
+#include "GrVkUtil.h"
+#include "SkTArray.h"
+
+#include "vulkan/vulkan.h"
+
+class GrPipeline;
+class GrPrimitiveProcessor;
+class GrVkCommandBuffer;
+class GrVkGpu;
+class GrVkPipeline;
+class GrVkRenderPass;
+class GrVkRenderTarget;
+
+class GrVkResourceProvider {
+public:
+    GrVkResourceProvider(GrVkGpu* gpu);
+    ~GrVkResourceProvider();
+
+    GrVkPipeline* createPipeline(const GrPipeline& pipeline,
+                                 const GrPrimitiveProcessor& primProc,
+                                 VkPipelineShaderStageCreateInfo* shaderStageInfo,
+                                 int shaderStageCount,
+                                 GrPrimitiveType primitiveType,
+                                 const GrVkRenderPass& renderPass,
+                                 VkPipelineLayout layout);
+
+    // Finds or creates a simple render pass that matches the target, increments the refcount,
+    // and returns.
+    const GrVkRenderPass* findOrCreateCompatibleRenderPass(const GrVkRenderTarget& target);
+
+    GrVkCommandBuffer* createCommandBuffer();
+    void checkCommandBuffers();
+
+    // Finds or creates a compatible GrVkDescriptorPool for the requested DescriptorTypeCount.
+    // The refcount is incremented and a pointer returned.
+    // TODO: Currently this will just create a descriptor pool without holding onto a ref itself
+    //       so we currently do not reuse them. Rquires knowing if another draw is currently using
+    //       the GrVkDescriptorPool, the ability to reset pools, and the ability to purge pools out
+    //       of our cache of GrVkDescriptorPools.
+    GrVkDescriptorPool* findOrCreateCompatibleDescriptorPool(
+                                        const GrVkDescriptorPool::DescriptorTypeCounts& typeCounts);
+
+    // Destroy any cached resources. To be called before destroying the VkDevice.
+    // The assumption is that all queues are idle and all command buffers are finished.
+    // For resource tracing to work properly, this should be called after unrefing all other
+    // resource usages.
+    void destroyResources();
+
+    // Abandon any cached resources. To be used when the context/VkDevice is lost.
+    // For resource tracing to work properly, this should be called after unrefing all other
+    // resource usages.
+    void abandonResources();
+
+private:
+    GrVkGpu* fGpu;
+
+    // Array of RenderPasses that only have a single color attachment, optional stencil attachment,
+    // optional resolve attachment, and only one subpass
+    SkSTArray<4, GrVkRenderPass*> fSimpleRenderPasses;
+
+    // Array of CommandBuffers that are currently in flight
+    SkSTArray<4, GrVkCommandBuffer*> fActiveCommandBuffers;
+};
+
+#endif