IMemoryImageSP VKTS_APIENTRY memoryImageCreate(IImageSP& stageImage, IBufferSP& stageBuffer, IDeviceMemorySP& stageDeviceMemory, const IInitialResourcesSP& initialResources, const ICommandBuffersSP& cmdBuffer, const std::string& name, const IImageDataSP& imageData, const VkImageCreateInfo& imageCreateInfo, const VkAccessFlags srcAccessMask, const VkAccessFlags dstAccessMask, const VkImageLayout newLayout, const VkImageSubresourceRange& subresourceRange, const VkMemoryPropertyFlags memoryPropertyFlags)
{
if (!cmdBuffer || !imageData.get())
{
return IMemoryImageSP();
}
VkResult result;
//
IImageSP image;
IDeviceMemorySP deviceMemory;
//
if (!memoryImagePrepare(image, deviceMemory, initialResources, cmdBuffer, imageCreateInfo, srcAccessMask, dstAccessMask, newLayout, subresourceRange, memoryPropertyFlags))
{
return IMemoryImageSP();
}
//
if (memoryPropertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT)
{
for (uint32_t i = 0; i < imageData->getMipLevels(); i++)
{
VkImageSubresource imageSubresource;
imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imageSubresource.mipLevel = i;
imageSubresource.arrayLayer = 0;
VkSubresourceLayout subresourceLayout;
image->getImageSubresourceLayout(subresourceLayout, imageSubresource);
if (!memoryImageUpload(deviceMemory, imageData, i, subresourceLayout))
{
logPrint(VKTS_LOG_ERROR, "MemoryImage: Could not upload image data.");
return IMemoryImageSP();
}
}
}
else
{
if (initialResources->getPhysicalDevice()->isImageTilingAvailable(VK_IMAGE_TILING_LINEAR, imageData->getFormat(), imageData->getImageType(), 0, imageData->getExtent3D(), imageData->getMipLevels(), 1, VK_SAMPLE_COUNT_1_BIT, imageData->getSize()))
{
VkImageCreateInfo stageImageCreateInfo;
memcpy(&stageImageCreateInfo, &imageCreateInfo, sizeof(VkImageCreateInfo));
stageImageCreateInfo.tiling = VK_IMAGE_TILING_LINEAR;
stageImageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
stageImageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED;
if (!memoryImagePrepare(stageImage, stageDeviceMemory, initialResources, cmdBuffer, stageImageCreateInfo, VK_ACCESS_HOST_WRITE_BIT, VK_ACCESS_TRANSFER_READ_BIT, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, subresourceRange, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT))
{
logPrint(VKTS_LOG_ERROR, "MemoryImage: Could not prepare staging image.");
return IMemoryImageSP();
}
for (uint32_t i = 0; i < imageData->getMipLevels(); i++)
{
VkImageSubresource imageSubresource;
imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imageSubresource.mipLevel = i;
imageSubresource.arrayLayer = 0;
VkSubresourceLayout subresourceLayout;
stageImage->getImageSubresourceLayout(subresourceLayout, imageSubresource);
if (!memoryImageUpload(stageDeviceMemory, imageData, i, subresourceLayout))
{
logPrint(VKTS_LOG_ERROR, "MemoryImage: Could not upload image data.");
return IMemoryImageSP();
}
VkImageCopy imageCopy;
imageCopy.srcSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, i, 0, 1};
imageCopy.srcOffset = {0, 0, 0};
imageCopy.dstSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, i, 0, 1};
imageCopy.dstOffset = {0, 0, 0};
imageCopy.extent = {glm::max(imageData->getWidth() >> i, 1u), glm::max(imageData->getHeight() >> i, 1u), glm::max(imageData->getDepth() >> i, 1u)};
stageImage->copyImage(cmdBuffer->getCommandBuffer(), image, imageCopy);
}
}
SmartPointerVector<IImageDataSP> VKTS_APIENTRY imageDataMipmap(const IImageDataSP& sourceImage, VkBool32 addSourceAsCopy, const std::string& name)
{
if (name.size() == 0 || !sourceImage.get())
{
return SmartPointerVector<IImageDataSP>();
}
std::string sourceImageFilename = name;
auto dotIndex = sourceImageFilename.rfind(".");
if (dotIndex == sourceImageFilename.npos)
{
return SmartPointerVector<IImageDataSP>();
}
auto sourceImageName = sourceImageFilename.substr(0, dotIndex);
auto sourceImageExtension = sourceImageFilename.substr(dotIndex);
IImageDataSP currentSourceImage = sourceImage;
int32_t width = currentSourceImage->getWidth();
int32_t height = currentSourceImage->getHeight();
int32_t depth = currentSourceImage->getDepth();
IImageDataSP currentTargetImage;
std::string targetImageFilename;
int32_t level = 0;
SmartPointerVector<IImageDataSP> result;
if (addSourceAsCopy)
{
targetImageFilename = sourceImageName + "_L" + std::to_string(level++) + sourceImageExtension;
currentTargetImage = imageDataCopy(sourceImage, targetImageFilename);
if (!currentTargetImage.get())
{
return SmartPointerVector<IImageDataSP>();
}
result.append(currentTargetImage);
}
else
{
result.append(sourceImage);
level++;
}
while (width > 1 || height > 1 || depth > 1)
{
width = glm::max(width / 2, 1);
height = glm::max(height / 2, 1);
depth = glm::max(depth / 2, 1);
targetImageFilename = sourceImageName + "_L" + std::to_string(level++) + sourceImageExtension;
currentTargetImage = imageDataCreate(targetImageFilename, width, height, depth, 0.0f, 0.0f, 0.0f, 0.0f, sourceImage->getImageType(), sourceImage->getFormat());
if (!currentTargetImage.get())
{
return SmartPointerVector<IImageDataSP>();
}
for (int32_t z = 0; z < depth; z++)
{
for (int32_t y = 0; y < height; y++)
{
for (int32_t x = 0; x < width; x++)
{
glm::vec4 rgba = glm::vec4(0.0f, 0.0f, 0.0f, 0.0f);
float sampleCount = 0.0f;
for (int32_t iz = z * 2; iz < z * 2 + 1; iz++)
{
for (int32_t iy = y * 2; iy < y * 2 + 1; iy++)
{
for (int32_t ix = x * 2; ix < x * 2 + 1; ix++)
{
rgba += currentSourceImage->getTexel(ix, iy, iz);
sampleCount += 1.0f;
}
}
}
if (sampleCount > 0.0f)
{
rgba /= sampleCount;
currentTargetImage->setTexel(rgba, x, y, z);
}
}
}
}
result.append(currentTargetImage);
//
currentSourceImage = currentTargetImage;
width = currentSourceImage->getWidth();
height = currentSourceImage->getHeight();
depth = currentSourceImage->getDepth();
}
return result;
}