Add vulkan files into skia repo.

src/gpu/vk/GrVkGpu.h

Index: src/gpu/vk/GrVkGpu.h
diff --git a/src/gpu/vk/GrVkGpu.h b/src/gpu/vk/GrVkGpu.h
new file mode 100644
index 0000000000000000000000000000000000000000..5bffdfdf93f8739f77929d656fbcea7e765f12b1
--- /dev/null
+++ b/src/gpu/vk/GrVkGpu.h
@@ -0,0 +1,220 @@
+/*
+ * 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 GrVkGpu_DEFINED
+#define GrVkGpu_DEFINED
+
+#include "GrGpu.h"
+#include "GrGpuFactory.h"
+#include "GrVkCaps.h"
+#include "GrVkIndexBuffer.h"
+#include "GrVkProgram.h"
+#include "GrVkResourceProvider.h"
+#include "GrVkVertexBuffer.h"
+#include "GrVkUtil.h"
+
+#include "shaderc/shaderc.h"
+#include "vulkan/vulkan.h"
+
+class GrPipeline;
+class GrNonInstancedVertices;
+
+class GrVkBufferImpl;
+class GrVkCommandBuffer;
+class GrVkPipeline;
+class GrVkRenderPass;
+class GrVkTexture;
+struct GrVkInterface;
+
+class GrVkGpu : public GrGpu {
+public:
+    // Currently passing in the inst so that we can properly delete it when we are done.
+    // Normally this would be done by the client.
+    GrVkGpu(GrContext* context, const GrContextOptions& options,
+            VkPhysicalDevice physDev, VkDevice device, VkQueue queue, VkCommandPool cmdPool,
+            VkInstance inst);
+    ~GrVkGpu() override;
+
+    const GrVkInterface* vkInterface() const { return fInterface.get(); }
+    const GrVkCaps& vkCaps() const { return *fVkCaps; }
+
+    VkDevice device() const { return fDevice; }
+    VkQueue  queue() const { return fQueue; }
+    VkCommandPool cmdPool() const { return fCmdPool; }
+    VkPhysicalDeviceMemoryProperties physicalDeviceMemoryProperties() const {
+        return fPhysDevMemProps;
+    }
+
+    GrVkResourceProvider& resourceProvider() { return fResourceProvider;  }
+
+    enum SyncQueue {
+        kForce_SyncQueue,
+        kSkip_SyncQueue
+    };
+
+    bool onGetReadPixelsInfo(GrSurface* srcSurface, int readWidth, int readHeight, size_t rowBytes,
+                             GrPixelConfig readConfig, DrawPreference*,
+                             ReadPixelTempDrawInfo*) override;
+
+    bool onGetWritePixelsInfo(GrSurface* dstSurface, int width, int height,
+                              GrPixelConfig srcConfig, DrawPreference*,
+                              WritePixelTempDrawInfo*) override;
+
+    void buildProgramDesc(GrProgramDesc*, const GrPrimitiveProcessor&,
+                          const GrPipeline&) const override;
+
+    void discard(GrRenderTarget*) override {
+        SkDebugf("discard not yet implemented for Vulkan\n");
+    }
+
+    bool onCopySurface(GrSurface* dst,
+                       GrSurface* src,
+                       const SkIRect& srcRect,
+                       const SkIPoint& dstPoint) override;
+
+    bool initCopySurfaceDstDesc(const GrSurface* src, GrSurfaceDesc* desc) const override {
+        SkDebugf("initCopySurfaceDstDesc not yet implemented for Vulkan\n");
+        return false;
+    }
+
+    void xferBarrier(GrRenderTarget*, GrXferBarrierType) override {}
+
+    GrBackendObject createTestingOnlyBackendTexture(void* pixels, int w, int h,
+                                                    GrPixelConfig config) override;
+    bool isTestingOnlyBackendTexture(GrBackendObject id) const override;
+    void deleteTestingOnlyBackendTexture(GrBackendObject id, bool abandonTexture) override;
+
+    GrStencilAttachment* createStencilAttachmentForRenderTarget(const GrRenderTarget*,
+                                                                int width,
+                                                                int height) override;
+
+    void clearStencil(GrRenderTarget* target) override {
+        SkDebugf("clearStencil not yet implemented for Vulkan\n");
+    }
+
+    void drawDebugWireRect(GrRenderTarget*, const SkIRect&, GrColor) override {
+        SkDebugf("drawDebugWireRect not yet implemented for Vulkan\n");
+    }
+
+    void addMemoryBarrier(VkPipelineStageFlags srcStageMask,
+                          VkPipelineStageFlags dstStageMask,
+                          bool byRegion,
+                          VkMemoryBarrier* barrier) const;
+    void addBufferMemoryBarrier(VkPipelineStageFlags srcStageMask,
+                                VkPipelineStageFlags dstStageMask,
+                                bool byRegion,
+                                VkBufferMemoryBarrier* barrier) const;
+    void addImageMemoryBarrier(VkPipelineStageFlags srcStageMask,
+                               VkPipelineStageFlags dstStageMask,
+                               bool byRegion,
+                               VkImageMemoryBarrier* barrier) const;
+    
+    shaderc_compiler_t shadercCompiler() const {
+        return fCompiler;
+    }
+
+    void finishDrawTarget() override;
+
+private:
+    void onResetContext(uint32_t resetBits) override {
+        SkDebugf("onResetContext not yet implemented for Vulkan\n");
+    }
+
+    GrTexture* onCreateTexture(const GrSurfaceDesc& desc, GrGpuResource::LifeCycle,
+                               const void* srcData, size_t rowBytes) override;
+
+    GrTexture* onCreateCompressedTexture(const GrSurfaceDesc& desc, GrGpuResource::LifeCycle,
+                                         const void* srcData) override {
+        SkDebugf("onCreateCompressedTexture not yet implemented for Vulkan\n");
+        return NULL;
+    }
+
+    GrTexture* onWrapBackendTexture(const GrBackendTextureDesc&, GrWrapOwnership) override;
+
+    GrRenderTarget* onWrapBackendRenderTarget(const GrBackendRenderTargetDesc&,
+                                              GrWrapOwnership) override;
+
+    GrVertexBuffer* onCreateVertexBuffer(size_t size, bool dynamic) override;
+    GrIndexBuffer* onCreateIndexBuffer(size_t size, bool dynamic) override;
+    GrTransferBuffer* onCreateTransferBuffer(size_t size, TransferType type) override;
+
+    void onClear(GrRenderTarget*, const SkIRect& rect, GrColor color) override;
+
+    void onClearStencilClip(GrRenderTarget*, const SkIRect& rect, bool insideClip) override {
+        SkDebugf("onClearStencilClip not yet implemented for Vulkan\n");
+    }
+
+    void onDraw(const DrawArgs&, const GrNonInstancedVertices&) override;
+
+    bool onReadPixels(GrSurface* surface,
+                      int left, int top, int width, int height,
+                      GrPixelConfig,
+                      void* buffer,
+                      size_t rowBytes) override;
+
+    bool onWritePixels(GrSurface* surface,
+                       int left, int top, int width, int height,
+                       GrPixelConfig config, const void* buffer, size_t rowBytes) override;
+
+    bool onTransferPixels(GrSurface*,
+                          int left, int top, int width, int height,
+                          GrPixelConfig config, GrTransferBuffer* buffer,
+                          size_t offset, size_t rowBytes) override {
+        SkDebugf("onTransferPixels not yet implemented for Vulkan\n");
+        return false;
+    }
+
+    void onResolveRenderTarget(GrRenderTarget* target) override {
+        SkDebugf("onResolveRenderTarget not yet implemented for Vulkan\n");
+    }
+
+    // Bind vertex and index buffers
+    void bindGeometry(const GrPrimitiveProcessor&, const GrNonInstancedVertices&);
+
+    // Ends and submits the current command buffer to the queue and then creates a new command
+    // buffer and begins it. If sync is set to kForce_SyncQueue, the function will wait for all 
+    // work in the queue to finish before returning.
+    void submitCommandBuffer(SyncQueue sync);
+
+    void copySurfaceAsCopyImage(GrSurface* dst,
+                                GrSurface* src,
+                                const SkIRect& srcRect,
+                                const SkIPoint& dstPoint);
+
+    void copySurfaceAsDraw(GrSurface* dst,
+                           GrSurface* src,
+                           const SkIRect& srcRect,
+                           const SkIPoint& dstPoint);
+
+    // helper for onCreateTexture and writeTexturePixels
+    bool uploadTexData(GrVkTexture* tex,
+                       int left, int top, int width, int height,
+                       GrPixelConfig dataConfig,
+                       const void* data,
+                       size_t rowBytes);
+
+    SkAutoTUnref<const GrVkInterface> fInterface;
+    SkAutoTUnref<GrVkCaps>            fVkCaps;
+    VkPhysicalDeviceMemoryProperties  fPhysDevMemProps;
+    VkDevice                          fDevice;
+    VkQueue                           fQueue;   // for now, one queue
+    VkCommandPool                     fCmdPool;
+    GrVkCommandBuffer*                fCurrentCmdBuffer;
+    GrVkResourceProvider              fResourceProvider;
+
+    // Shaderc compiler used for compiling glsl in spirv. We only want to create the compiler once
+    // since there is significant overhead to the first compile of any compiler.
+    shaderc_compiler_t fCompiler;
+
+    // This is only for our current testing and building. The client should be holding on to the
+    // VkInstance.
+    VkInstance                        fVkInstance;
+
+    typedef GrGpu INHERITED;
+};
+
+#endif