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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 "GrVkGpu.h"
#include "GrVkImage.h"
#include "GrVkMemory.h"
#include "GrVkUtil.h"
#define VK_CALL(GPU, X) GR_VK_CALL(GPU->vkInterface(), X)
VkImageAspectFlags vk_format_to_aspect_flags(VkFormat format) {
switch (format) {
case VK_FORMAT_S8_UINT:
return VK_IMAGE_ASPECT_STENCIL_BIT;
case VK_FORMAT_D24_UNORM_S8_UINT: // fallthrough
case VK_FORMAT_D32_SFLOAT_S8_UINT:
return VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
default:
SkASSERT(GrVkFormatToPixelConfig(format, nullptr));
return VK_IMAGE_ASPECT_COLOR_BIT;
}
}
void GrVkImage::setImageLayout(const GrVkGpu* gpu, VkImageLayout newLayout,
VkAccessFlags dstAccessMask,
VkPipelineStageFlags dstStageMask,
bool byRegion) {
SkASSERT(VK_IMAGE_LAYOUT_UNDEFINED != newLayout &&
VK_IMAGE_LAYOUT_PREINITIALIZED != newLayout);
VkImageLayout currentLayout = this->currentLayout();
// If the old and new layout are the same, there is no reason to put in a barrier since the
// operations used for each layout are implicitly synchronized with eachother. The one exception
// is if the layout is GENERAL. In this case the image could have been used for any operation so
// we must respect the barrier.
if (newLayout == currentLayout && VK_IMAGE_LAYOUT_GENERAL != currentLayout) {
return;
}
VkAccessFlags srcAccessMask = GrVkMemory::LayoutToSrcAccessMask(currentLayout);
VkPipelineStageFlags srcStageMask = GrVkMemory::LayoutToPipelineStageFlags(currentLayout);
VkImageAspectFlags aspectFlags = vk_format_to_aspect_flags(fInfo.fFormat);
VkImageMemoryBarrier imageMemoryBarrier = {
VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, // sType
nullptr, // pNext
srcAccessMask, // outputMask
dstAccessMask, // inputMask
currentLayout, // oldLayout
newLayout, // newLayout
VK_QUEUE_FAMILY_IGNORED, // srcQueueFamilyIndex
VK_QUEUE_FAMILY_IGNORED, // dstQueueFamilyIndex
fInfo.fImage, // image
{ aspectFlags, 0, fInfo.fLevelCount, 0, 1 } // subresourceRange
};
gpu->addImageMemoryBarrier(srcStageMask, dstStageMask, byRegion, &imageMemoryBarrier);
fInfo.fImageLayout = newLayout;
}
bool GrVkImage::InitImageInfo(const GrVkGpu* gpu, const ImageDesc& imageDesc, GrVkImageInfo* info) {
if (0 == imageDesc.fWidth || 0 == imageDesc.fHeight) {
return false;
}
VkImage image = 0;
GrVkAlloc alloc;
bool isLinear = VK_IMAGE_TILING_LINEAR == imageDesc.fImageTiling;
VkImageLayout initialLayout = isLinear ? VK_IMAGE_LAYOUT_PREINITIALIZED
: VK_IMAGE_LAYOUT_UNDEFINED;
// Create Image
VkSampleCountFlagBits vkSamples;
if (!GrSampleCountToVkSampleCount(imageDesc.fSamples, &vkSamples)) {
return false;
}
SkASSERT(VK_IMAGE_TILING_OPTIMAL == imageDesc.fImageTiling ||
VK_SAMPLE_COUNT_1_BIT == vkSamples);
// sRGB format images may need to be aliased to linear for various reasons (legacy mode):
VkImageCreateFlags createFlags = GrVkFormatIsSRGB(imageDesc.fFormat, nullptr)
? VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT : 0;
const VkImageCreateInfo imageCreateInfo = {
VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO, // sType
NULL, // pNext
createFlags, // VkImageCreateFlags
imageDesc.fImageType, // VkImageType
imageDesc.fFormat, // VkFormat
{ imageDesc.fWidth, imageDesc.fHeight, 1 }, // VkExtent3D
imageDesc.fLevels, // mipLevels
1, // arrayLayers
vkSamples, // samples
imageDesc.fImageTiling, // VkImageTiling
imageDesc.fUsageFlags, // VkImageUsageFlags
VK_SHARING_MODE_EXCLUSIVE, // VkSharingMode
0, // queueFamilyCount
0, // pQueueFamilyIndices
initialLayout // initialLayout
};
GR_VK_CALL_ERRCHECK(gpu->vkInterface(), CreateImage(gpu->device(), &imageCreateInfo, nullptr,
&image));
if (!GrVkMemory::AllocAndBindImageMemory(gpu, image, isLinear, &alloc)) {
VK_CALL(gpu, DestroyImage(gpu->device(), image, nullptr));
return false;
}
info->fImage = image;
info->fAlloc = alloc;
info->fImageTiling = imageDesc.fImageTiling;
info->fImageLayout = initialLayout;
info->fFormat = imageDesc.fFormat;
info->fLevelCount = imageDesc.fLevels;
return true;
}
void GrVkImage::DestroyImageInfo(const GrVkGpu* gpu, GrVkImageInfo* info) {
VK_CALL(gpu, DestroyImage(gpu->device(), info->fImage, nullptr));
bool isLinear = VK_IMAGE_TILING_LINEAR == info->fImageTiling;
GrVkMemory::FreeImageMemory(gpu, isLinear, info->fAlloc);
}
void GrVkImage::setNewResource(VkImage image, const GrVkAlloc& alloc, VkImageTiling tiling) {
fResource = new Resource(image, alloc, tiling);
}
GrVkImage::~GrVkImage() {
// should have been released or abandoned first
SkASSERT(!fResource);
}
void GrVkImage::releaseImage(const GrVkGpu* gpu) {
if (fResource) {
fResource->unref(gpu);
fResource = nullptr;
}
}
void GrVkImage::abandonImage() {
if (fResource) {
fResource->unrefAndAbandon();
fResource = nullptr;
}
}
void GrVkImage::Resource::freeGPUData(const GrVkGpu* gpu) const {
VK_CALL(gpu, DestroyImage(gpu->device(), fImage, nullptr));
bool isLinear = (VK_IMAGE_TILING_LINEAR == fImageTiling);
GrVkMemory::FreeImageMemory(gpu, isLinear, fAlloc);
}
void GrVkImage::BorrowedResource::freeGPUData(const GrVkGpu* gpu) const {
}
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