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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 "GrTexturePriv.h"
#include "GrVkUtil.h"
#include "SkMipMap.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,
SkBudgeted budgeted,
const GrSurfaceDesc& desc,
const GrVkImage::Resource* imageResource,
const GrVkImageView* view)
: GrSurface(gpu, desc)
, GrVkImage(imageResource)
, INHERITED(gpu, desc, kSampler2D_GrSLType,
false) // false because we don't upload MIP data in Vk yet
, fTextureView(view) {
this->registerWithCache(budgeted);
}
GrVkTexture::GrVkTexture(GrVkGpu* gpu,
Wrapped,
const GrSurfaceDesc& desc,
const GrVkImage::Resource* imageResource,
const GrVkImageView* view)
: GrSurface(gpu, desc)
, GrVkImage(imageResource)
, INHERITED(gpu, desc, kSampler2D_GrSLType,
false) // false because we don't upload MIP data in Vk yet
, fTextureView(view) {
this->registerWithCacheWrapped();
}
// Because this class is virtually derived from GrSurface we must explicitly call its constructor.
GrVkTexture::GrVkTexture(GrVkGpu* gpu,
const GrSurfaceDesc& desc,
const GrVkImage::Resource* imageResource,
const GrVkImageView* view)
: GrSurface(gpu, desc)
, GrVkImage(imageResource)
, INHERITED(gpu, desc, kSampler2D_GrSLType,
false) // false because we don't upload MIP data in Vk yet
, fTextureView(view) {}
template<typename ResourceType>
GrVkTexture* GrVkTexture::Create(GrVkGpu* gpu,
ResourceType type,
const GrSurfaceDesc& desc,
VkFormat format,
const GrVkImage::Resource* imageResource) {
VkImage image = imageResource->fImage;
uint32_t mipLevels = 1;
// TODO: enable when mipLevel loading is implemented in GrVkGpu
//if (desc.fIsMipMapped) {
// mipLevels = SkMipMap::ComputeLevelCount(this->width(), this->height());
//}
const GrVkImageView* imageView = GrVkImageView::Create(gpu, image, format,
GrVkImageView::kColor_Type, mipLevels);
if (!imageView) {
return nullptr;
}
return new GrVkTexture(gpu, type, desc, imageResource, imageView);
}
GrVkTexture* GrVkTexture::CreateNewTexture(GrVkGpu* gpu, SkBudgeted budgeted,
const GrSurfaceDesc& desc,
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, budgeted, desc, 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,
GrWrapOwnership ownership,
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 (kBorrow_GrWrapOwnership == ownership) {
imageResource = new GrVkImage::BorrowedResource(info->fImage,
info->fAlloc,
flags,
info->fFormat);
} else {
imageResource = new GrVkImage::Resource(info->fImage, info->fAlloc, flags, info->fFormat);
}
if (!imageResource) {
return nullptr;
}
GrVkTexture* texture = Create(gpu, kWrapped, desc, 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;
}
this->releaseImage(this->getVkGpu());
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());
}
bool GrVkTexture::reallocForMipmap(const GrVkGpu* gpu) {
const GrVkImage::Resource* oldResource = fResource;
// Does this even make sense for rendertargets?
bool renderTarget = SkToBool(fDesc.fFlags & kRenderTarget_GrSurfaceFlag);
VkImageUsageFlags usageFlags = VK_IMAGE_USAGE_SAMPLED_BIT;
if (renderTarget) {
usageFlags |= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
}
usageFlags |= VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
uint32_t mipLevels = SkMipMap::ComputeLevelCount(this->width(), this->height());
if (mipLevels == 1) {
// don't need to do anything for a 1x1 texture
return false;
}
GrVkImage::ImageDesc imageDesc;
imageDesc.fImageType = VK_IMAGE_TYPE_2D;
imageDesc.fFormat = oldResource->fFormat;
imageDesc.fWidth = fDesc.fWidth;
imageDesc.fHeight = fDesc.fHeight;
imageDesc.fLevels = mipLevels;
imageDesc.fSamples = 1;
imageDesc.fImageTiling = VK_IMAGE_TILING_OPTIMAL;
imageDesc.fUsageFlags = usageFlags;
imageDesc.fMemProps = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
const GrVkImage::Resource* imageResource = GrVkImage::CreateResource(gpu, imageDesc);
if (!imageResource) {
return false;
}
// have to create a new image view for new resource
const GrVkImageView* oldView = fTextureView;
VkImage image = imageResource->fImage;
const GrVkImageView* textureView = GrVkImageView::Create(gpu, image, imageResource->fFormat,
GrVkImageView::kColor_Type, mipLevels);
if (!textureView) {
imageResource->unref(gpu);
return false;
}
oldResource->unref(gpu);
oldView->unref(gpu);
fResource = imageResource;
fTextureView = textureView;
this->texturePriv().setMaxMipMapLevel(mipLevels);
return true;
}
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