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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 "GrVkTextureRenderTarget.h"
#include "GrRenderTargetPriv.h"
#include "GrVkGpu.h"
#include "GrVkImageView.h"
#include "GrVkUtil.h"
#include "SkMipMap.h"
#include "vk/GrVkTypes.h"
#define VK_CALL(GPU, X) GR_VK_CALL(GPU->vkInterface(), X)
GrVkTextureRenderTarget* GrVkTextureRenderTarget::Create(GrVkGpu* gpu,
const GrSurfaceDesc& desc,
const GrVkImageInfo& info,
SkBudgeted budgeted,
GrVkImage::Wrapped wrapped) {
VkImage image = info.fImage;
// Create the texture ImageView
const GrVkImageView* imageView = GrVkImageView::Create(gpu, image, info.fFormat,
GrVkImageView::kColor_Type,
info.fLevelCount);
if (!imageView) {
return nullptr;
}
VkFormat pixelFormat;
GrPixelConfigToVkFormat(desc.fConfig, &pixelFormat);
VkImage colorImage;
// create msaa surface if necessary
GrVkImageInfo msInfo;
const GrVkImageView* resolveAttachmentView = nullptr;
if (desc.fSampleCnt) {
GrVkImage::ImageDesc msImageDesc;
msImageDesc.fImageType = VK_IMAGE_TYPE_2D;
msImageDesc.fFormat = pixelFormat;
msImageDesc.fWidth = desc.fWidth;
msImageDesc.fHeight = desc.fHeight;
msImageDesc.fLevels = 1;
msImageDesc.fSamples = desc.fSampleCnt;
msImageDesc.fImageTiling = VK_IMAGE_TILING_OPTIMAL;
msImageDesc.fUsageFlags = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
VK_IMAGE_USAGE_TRANSFER_DST_BIT |
VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
msImageDesc.fMemProps = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
if (!GrVkImage::InitImageInfo(gpu, msImageDesc, &msInfo)) {
imageView->unref(gpu);
return nullptr;
}
// Set color attachment image
colorImage = msInfo.fImage;
// Create resolve attachment view.
resolveAttachmentView = GrVkImageView::Create(gpu, image, pixelFormat,
GrVkImageView::kColor_Type,
info.fLevelCount);
if (!resolveAttachmentView) {
GrVkImage::DestroyImageInfo(gpu, &msInfo);
imageView->unref(gpu);
return nullptr;
}
} else {
// Set color attachment image
colorImage = info.fImage;
}
const GrVkImageView* colorAttachmentView = GrVkImageView::Create(gpu, colorImage, pixelFormat,
GrVkImageView::kColor_Type, 1);
if (!colorAttachmentView) {
if (desc.fSampleCnt) {
resolveAttachmentView->unref(gpu);
GrVkImage::DestroyImageInfo(gpu, &msInfo);
}
imageView->unref(gpu);
return nullptr;
}
GrVkTextureRenderTarget* texRT;
if (desc.fSampleCnt) {
if (GrVkImage::kNot_Wrapped == wrapped) {
texRT = new GrVkTextureRenderTarget(gpu, budgeted, desc,
info, imageView, msInfo,
colorAttachmentView,
resolveAttachmentView);
} else {
texRT = new GrVkTextureRenderTarget(gpu, desc,
info, imageView, msInfo,
colorAttachmentView,
resolveAttachmentView, wrapped);
}
} else {
if (GrVkImage::kNot_Wrapped == wrapped) {
texRT = new GrVkTextureRenderTarget(gpu, budgeted, desc,
info, imageView,
colorAttachmentView);
} else {
texRT = new GrVkTextureRenderTarget(gpu, desc,
info, imageView,
colorAttachmentView, wrapped);
}
}
return texRT;
}
GrVkTextureRenderTarget*
GrVkTextureRenderTarget::CreateNewTextureRenderTarget(GrVkGpu* gpu,
SkBudgeted budgeted,
const GrSurfaceDesc& desc,
const GrVkImage::ImageDesc& imageDesc) {
SkASSERT(imageDesc.fUsageFlags & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT);
SkASSERT(imageDesc.fUsageFlags & VK_IMAGE_USAGE_SAMPLED_BIT);
GrVkImageInfo info;
if (!GrVkImage::InitImageInfo(gpu, imageDesc, &info)) {
return nullptr;
}
GrVkTextureRenderTarget* trt = Create(gpu, desc, info, budgeted, GrVkImage::kNot_Wrapped);
if (!trt) {
GrVkImage::DestroyImageInfo(gpu, &info);
}
return trt;
}
sk_sp<GrVkTextureRenderTarget>
GrVkTextureRenderTarget::MakeWrappedTextureRenderTarget(GrVkGpu* gpu,
const GrSurfaceDesc& desc,
GrWrapOwnership ownership,
const GrVkImageInfo* 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.fMemory);
GrVkImage::Wrapped wrapped = kBorrow_GrWrapOwnership == ownership ? GrVkImage::kBorrowed_Wrapped
: GrVkImage::kAdopted_Wrapped;
return sk_sp<GrVkTextureRenderTarget>(Create(gpu, desc, *info, SkBudgeted::kNo, wrapped));
}
bool GrVkTextureRenderTarget::updateForMipmap(GrVkGpu* gpu, const GrVkImageInfo& newInfo) {
VkFormat pixelFormat;
GrPixelConfigToVkFormat(fDesc.fConfig, &pixelFormat);
if (fDesc.fSampleCnt) {
const GrVkImageView* resolveAttachmentView =
GrVkImageView::Create(gpu,
newInfo.fImage,
pixelFormat,
GrVkImageView::kColor_Type,
newInfo.fLevelCount);
if (!resolveAttachmentView) {
return false;
}
fResolveAttachmentView->unref(gpu);
fResolveAttachmentView = resolveAttachmentView;
} else {
const GrVkImageView* colorAttachmentView = GrVkImageView::Create(gpu,
newInfo.fImage,
pixelFormat,
GrVkImageView::kColor_Type,
1);
if (!colorAttachmentView) {
return false;
}
fColorAttachmentView->unref(gpu);
fColorAttachmentView = colorAttachmentView;
}
this->createFramebuffer(gpu);
return true;
}
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