Add vulkan files into skia repo. This is an incomplete backend with only partial functionality at this time.
R=robertphillips@google.com
TBR=bsalomon@google.com
BUG=skia:4955
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1718693002
Committed: https://skia.googlesource.com/skia/+/48cf268defad66f58f1aa03b4835e5583be96b2f
Review URL: https://codereview.chromium.org/1718693002
diff --git a/src/gpu/vk/GrVkTexture.cpp b/src/gpu/vk/GrVkTexture.cpp
new file mode 100644
index 0000000..24157be
--- /dev/null
+++ b/src/gpu/vk/GrVkTexture.cpp
@@ -0,0 +1,124 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "GrVkTexture.h"
+#include "GrVkGpu.h"
+#include "GrVkImageView.h"
+#include "GrVkUtil.h"
+
+#define VK_CALL(GPU, X) GR_VK_CALL(GPU->vkInterface(), X)
+
+// Because this class is virtually derived from GrSurface we must explicitly call its constructor.
+GrVkTexture::GrVkTexture(GrVkGpu* gpu,
+ const GrSurfaceDesc& desc,
+ GrGpuResource::LifeCycle lifeCycle,
+ const GrVkImage::Resource* imageResource,
+ const GrVkImageView* view)
+ : GrSurface(gpu, lifeCycle, desc)
+ , GrVkImage(imageResource)
+ , INHERITED(gpu, lifeCycle, desc)
+ , fTextureView(view) {
+ this->registerWithCache();
+}
+
+// Because this class is virtually derived from GrSurface we must explicitly call its constructor.
+GrVkTexture::GrVkTexture(GrVkGpu* gpu,
+ const GrSurfaceDesc& desc,
+ GrGpuResource::LifeCycle lifeCycle,
+ const GrVkImage::Resource* imageResource,
+ const GrVkImageView* view,
+ Derived)
+ : GrSurface(gpu, lifeCycle, desc)
+ , GrVkImage(imageResource)
+ , INHERITED(gpu, lifeCycle, desc)
+ , fTextureView(view) {}
+
+
+GrVkTexture* GrVkTexture::Create(GrVkGpu* gpu,
+ const GrSurfaceDesc& desc,
+ GrGpuResource::LifeCycle lifeCycle,
+ VkFormat format,
+ const GrVkImage::Resource* imageResource) {
+ VkImage image = imageResource->fImage;
+ const GrVkImageView* imageView = GrVkImageView::Create(gpu, image, format,
+ GrVkImageView::kColor_Type);
+ if (!imageView) {
+ return nullptr;
+ }
+
+ return new GrVkTexture(gpu, desc, lifeCycle, imageResource, imageView);
+}
+
+GrVkTexture* GrVkTexture::CreateNewTexture(GrVkGpu* gpu, const GrSurfaceDesc& desc,
+ GrGpuResource::LifeCycle lifeCycle,
+ const GrVkImage::ImageDesc& imageDesc) {
+ SkASSERT(imageDesc.fUsageFlags & VK_IMAGE_USAGE_SAMPLED_BIT);
+
+ const GrVkImage::Resource* imageResource = GrVkImage::CreateResource(gpu, imageDesc);
+ if (!imageResource) {
+ return nullptr;
+ }
+
+ GrVkTexture* texture = Create(gpu, desc, lifeCycle, imageDesc.fFormat, imageResource);
+ // Create() will increment the refCount of the image resource if it succeeds
+ imageResource->unref(gpu);
+
+ return texture;
+}
+
+GrVkTexture* GrVkTexture::CreateWrappedTexture(GrVkGpu* gpu, const GrSurfaceDesc& desc,
+ GrGpuResource::LifeCycle lifeCycle,
+ VkFormat format,
+ const GrVkImage::Resource* imageResource) {
+ SkASSERT(imageResource);
+
+ // Note: we assume the caller will unref the imageResource
+ // Create() will increment the refCount, and we'll unref when we're done with it
+ return Create(gpu, desc, lifeCycle, format, imageResource);
+}
+
+GrVkTexture::~GrVkTexture() {
+ // either release or abandon should have been called by the owner of this object.
+ SkASSERT(!fTextureView);
+}
+
+void GrVkTexture::onRelease() {
+ // we create this and don't hand it off, so we should always destroy it
+ if (fTextureView) {
+ fTextureView->unref(this->getVkGpu());
+ fTextureView = nullptr;
+ }
+
+ if (this->shouldFreeResources()) {
+ this->releaseImage(this->getVkGpu());
+ } else {
+ this->abandonImage();
+ }
+
+ INHERITED::onRelease();
+}
+
+void GrVkTexture::onAbandon() {
+ if (fTextureView) {
+ fTextureView->unrefAndAbandon();
+ fTextureView = nullptr;
+ }
+
+ this->abandonImage();
+ INHERITED::onAbandon();
+}
+
+GrBackendObject GrVkTexture::getTextureHandle() const {
+ // Currently just passing back the pointer to the Resource as the handle
+ return (GrBackendObject)&fResource;
+}
+
+GrVkGpu* GrVkTexture::getVkGpu() const {
+ SkASSERT(!this->wasDestroyed());
+ return static_cast<GrVkGpu*>(this->getGpu());
+}
+