Add static buffer support

src/gpu/vk/GrVkGpu.cpp

Index: src/gpu/vk/GrVkGpu.cpp
diff --git a/src/gpu/vk/GrVkGpu.cpp b/src/gpu/vk/GrVkGpu.cpp
index e5d24fc5806ff8044a55da6416b311f9c9bcb8f3..ab6761cc32b5ccda141ca310bdd8215ed9065ed8 100644
--- a/src/gpu/vk/GrVkGpu.cpp
+++ b/src/gpu/vk/GrVkGpu.cpp
@@ -425,9 +425,9 @@ bool GrVkGpu::uploadTexDataLinear(GrVkTexture* tex,
 }
 
 bool GrVkGpu::uploadTexDataOptimal(GrVkTexture* tex,
-                                    int left, int top, int width, int height,
-                                    GrPixelConfig dataConfig,
-                                    const SkTArray<GrMipLevel>& texels) {
+                                   int left, int top, int width, int height,
+                                   GrPixelConfig dataConfig,
+                                   const SkTArray<GrMipLevel>& texels) {
     SkASSERT(!tex->isLinearTiled());
     // The assumption is either that we have no mipmaps, or that our rect is the entire texture
     SkASSERT(1 == texels.count() ||
@@ -555,10 +555,6 @@ bool GrVkGpu::uploadTexDataOptimal(GrVkTexture* tex,
                                          VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
                                          regions.count(),
                                          regions.begin());
-
-    // Submit the current command buffer to the Queue
-    this->submitCommandBuffer(kSkip_SyncQueue);
-
     transferBuffer->unref();
 
     return true;
@@ -661,6 +657,16 @@ GrTexture* GrVkGpu::onCreateTexture(const GrSurfaceDesc& desc, SkBudgeted budget
 
 ////////////////////////////////////////////////////////////////////////////////
 
+bool GrVkGpu::updateBuffer(GrVkBuffer* buffer, const void* src, size_t srcSizeInBytes) {
+
+    // Update the buffer
+    fCurrentCmdBuffer->updateBuffer(this, buffer, 0, srcSizeInBytes, src);
+
+    return true;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
 static GrSurfaceOrigin resolve_origin(GrSurfaceOrigin origin) {
     // By default, all textures in Vk use TopLeft
     if (kDefault_GrSurfaceOrigin == origin) {