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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 "GrVkStencilAttachment.h"
#include "GrVkGpu.h"
#include "GrVkImage.h"
#include "GrVkImageView.h"
#include "GrVkUtil.h"
#define VK_CALL(GPU, X) GR_VK_CALL(GPU->vkInterface(), X)
GrVkStencilAttachment::GrVkStencilAttachment(GrVkGpu* gpu,
const Format& format,
const GrVkImage::ImageDesc& desc,
const GrVkImageInfo& info,
const GrVkImageView* stencilView)
: GrStencilAttachment(gpu, desc.fWidth, desc.fHeight, format.fStencilBits, desc.fSamples)
, GrVkImage(info, GrBackendObjectOwnership::kOwned)
, fFormat(format)
, fStencilView(stencilView) {
this->registerWithCache(SkBudgeted::kYes);
stencilView->ref();
}
GrVkStencilAttachment* GrVkStencilAttachment::Create(GrVkGpu* gpu,
int width,
int height,
int sampleCnt,
const Format& format) {
GrVkImage::ImageDesc imageDesc;
imageDesc.fImageType = VK_IMAGE_TYPE_2D;
imageDesc.fFormat = format.fInternalFormat;
imageDesc.fWidth = width;
imageDesc.fHeight = height;
imageDesc.fLevels = 1;
imageDesc.fSamples = sampleCnt;
imageDesc.fImageTiling = VK_IMAGE_TILING_OPTIMAL;
imageDesc.fUsageFlags = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT |
VK_IMAGE_USAGE_TRANSFER_DST_BIT;
imageDesc.fMemProps = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
GrVkImageInfo info;
if (!GrVkImage::InitImageInfo(gpu, imageDesc, &info)) {
return nullptr;
}
const GrVkImageView* imageView = GrVkImageView::Create(gpu, info.fImage,
format.fInternalFormat,
GrVkImageView::kStencil_Type, 1);
if (!imageView) {
GrVkImage::DestroyImageInfo(gpu, &info);
return nullptr;
}
GrVkStencilAttachment* stencil = new GrVkStencilAttachment(gpu, format, imageDesc,
info, imageView);
imageView->unref(gpu);
return stencil;
}
GrVkStencilAttachment::~GrVkStencilAttachment() {
// should have been released or abandoned first
SkASSERT(!fStencilView);
}
size_t GrVkStencilAttachment::onGpuMemorySize() const {
uint64_t size = this->width();
size *= this->height();
size *= fFormat.fTotalBits;
size *= SkTMax(1,this->numSamples());
return static_cast<size_t>(size / 8);
}
void GrVkStencilAttachment::onRelease() {
GrVkGpu* gpu = this->getVkGpu();
this->releaseImage(gpu);
fStencilView->unref(gpu);
fStencilView = nullptr;
GrStencilAttachment::onRelease();
}
void GrVkStencilAttachment::onAbandon() {
this->abandonImage();
fStencilView->unrefAndAbandon();
fStencilView = nullptr;
GrStencilAttachment::onAbandon();
}
GrVkGpu* GrVkStencilAttachment::getVkGpu() const {
SkASSERT(!this->wasDestroyed());
return static_cast<GrVkGpu*>(this->getGpu());
}
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