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/*
* 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"
#include "vk/GrVkTypes.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, kSampler2D_GrSLType,
false) // false because we don't upload MIP data in Vk yet
, 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, kSampler2D_GrSLType,
false) // false because we don't upload MIP data in Vk yet
, 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 GrVkTextureInfo* info) {
SkASSERT(info);
// Wrapped textures require both image and allocation (because they can be mapped)
SkASSERT(VK_NULL_HANDLE != info->fImage && VK_NULL_HANDLE != info->fAlloc);
GrVkImage::Resource::Flags flags = (VK_IMAGE_TILING_LINEAR == info->fImageTiling)
? Resource::kLinearTiling_Flag : Resource::kNo_Flags;
const GrVkImage::Resource* imageResource;
if (kBorrowed_LifeCycle == lifeCycle) {
imageResource = new GrVkImage::BorrowedResource(info->fImage, info->fAlloc, flags);
} else {
imageResource = new GrVkImage::Resource(info->fImage, info->fAlloc, flags);
}
if (!imageResource) {
return nullptr;
}
GrVkTexture* texture = Create(gpu, desc, lifeCycle, format, imageResource);
if (texture) {
texture->fCurrentLayout = info->fImageLayout;
}
// Create() will increment the refCount of the image resource if it succeeds
imageResource->unref(gpu);
return texture;
}
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());
}
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