void VkHelper::copyImage(VkDevice device, VkCommandPool cmdPool, VkQueue queue, VkImage srcImageId, VkImage dstImageId, uint32_t width, uint32_t height)
{
VkCommandBuffer cmdBuffer = beginSingleTimeCommandBufffer(device, cmdPool);
VkImageSubresourceLayers subResource = {};
subResource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
subResource.baseArrayLayer = 0;
subResource.layerCount = 1;
subResource.mipLevel = 0;
VkImageCopy region{};
region.srcOffset = { 0, 0, 0 };
region.srcSubresource = subResource;
region.dstOffset = { 0, 0, 0 };
region.dstSubresource = subResource;
region.extent.width = width;
region.extent.height = height;
region.extent.depth = 1;
vkCmdCopyImage(
cmdBuffer,
srcImageId, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
dstImageId, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, ®ion);
endSingleTimeCommandBuffer(device, cmdPool, queue, cmdBuffer);
}
void Renderer::copyImage(VkCommandPool pool, VkImage srcImage, VkImage dstImage, uint32_t width, uint32_t height) {
VkCommandBuffer command_buffer = _BeginSingleTimeCommands(pool);
VkImageSubresourceLayers subresource {};
subresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
subresource.baseArrayLayer = 0;
subresource.mipLevel = 0;
subresource.layerCount = 1;
VkImageCopy region {};
region.srcSubresource = subresource;
region.dstSubresource = subresource;
region.srcOffset = { 0, 0, 0 };
region.dstOffset = { 0, 0, 0 };
region.extent.width = width;
region.extent.height = height;
region.extent.depth = 1;
vkCmdCopyImage(
command_buffer,
srcImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
dstImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, ®ion
);
_EndSingleTimeCommands(pool, command_buffer);
}
void op3d::Engine::copyImage(VkImage srcImage, VkImage dstImage, uint32_t width, uint32_t height)
{
VkCommandBuffer commandBuffer = commandBufferManager.beginSingleTimeCommands();
VkImageSubresourceLayers subResource = {};
subResource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
subResource.baseArrayLayer = 0;
subResource.mipLevel = 0;
subResource.layerCount = 1;
VkImageCopy region = {};
region.srcSubresource = subResource;
region.dstSubresource = subResource;
region.srcOffset = {0, 0, 0};
region.dstOffset = {0, 0, 0};
region.extent.width = width;
region.extent.height = height;
region.extent.depth = 1;
vkCmdCopyImage(
commandBuffer,
srcImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
dstImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, ®ion
);
commandBufferManager.endSingleTimeCommands(commandBuffer, graphicsQueue);
}
void StagingTexture2DLinear::CopyFromImage(VkCommandBuffer command_buffer, VkImage image,
VkImageAspectFlags src_aspect, u32 x, u32 y, u32 width,
u32 height, u32 level, u32 layer)
{
// Prepare the buffer for copying.
// We don't care about the existing contents, so set to UNDEFINED.
VkImageMemoryBarrier before_transfer_barrier = {
VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, // VkStructureType sType
nullptr, // const void* pNext
0, // VkAccessFlags srcAccessMask
VK_ACCESS_TRANSFER_WRITE_BIT, // VkAccessFlags dstAccessMask
VK_IMAGE_LAYOUT_UNDEFINED, // VkImageLayout oldLayout
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, // VkImageLayout newLayout
VK_QUEUE_FAMILY_IGNORED, // uint32_t srcQueueFamilyIndex
VK_QUEUE_FAMILY_IGNORED, // uint32_t dstQueueFamilyIndex
m_image, // VkImage image
{VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1} // VkImageSubresourceRange subresourceRange
};
vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, nullptr, 0, nullptr, 1,
&before_transfer_barrier);
// Issue the image copy, gpu -> host.
VkImageCopy copy_region = {
{src_aspect, level, layer, 1}, // VkImageSubresourceLayers srcSubresource
{static_cast<s32>(x), static_cast<s32>(y), 0}, // VkOffset3D srcOffset
{VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1}, // VkImageSubresourceLayers dstSubresource
{0, 0, 0}, // VkOffset3D dstOffset
{width, height, 1} // VkExtent3D extent
};
vkCmdCopyImage(command_buffer, image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, m_image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ©_region);
// Ensure writes are visible to the host.
VkImageMemoryBarrier visible_barrier = {
VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, // VkStructureType sType
nullptr, // const void* pNext
VK_ACCESS_TRANSFER_WRITE_BIT, // VkAccessFlags srcAccessMask
VK_ACCESS_HOST_READ_BIT, // VkAccessFlags dstAccessMask
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, // VkImageLayout oldLayout
VK_IMAGE_LAYOUT_GENERAL, // VkImageLayout newLayout
VK_QUEUE_FAMILY_IGNORED, // uint32_t srcQueueFamilyIndex
VK_QUEUE_FAMILY_IGNORED, // uint32_t dstQueueFamilyIndex
m_image, // VkImage image
{VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1} // VkImageSubresourceRange subresourceRange
};
vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_HOST_BIT,
0, 0, nullptr, 0, nullptr, 1, &visible_barrier);
m_layout = VK_IMAGE_LAYOUT_GENERAL;
// Invalidate memory range if currently mapped.
if (m_map_pointer && !m_coherent)
{
VkMappedMemoryRange range = {VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE, nullptr, m_memory,
m_map_offset, m_map_size};
vkInvalidateMappedMemoryRanges(g_vulkan_context->GetDevice(), 1, &range);
}
}
void CopyContext::copySubresource(const Texture* pDst, uint32_t dstSubresourceIdx, const Texture* pSrc, uint32_t srcSubresourceIdx)
{
resourceBarrier(pDst, Resource::State::CopyDest);
resourceBarrier(pSrc, Resource::State::CopySource);
VkImageCopy region = {};
initRegionSubresourceData(pSrc, srcSubresourceIdx, region.srcSubresource);
initRegionSubresourceData(pDst, dstSubresourceIdx, region.dstSubresource);
uint32_t mipLevel = region.dstSubresource.mipLevel;
region.extent.width = pDst->getWidth(mipLevel);
region.extent.height = pDst->getHeight(mipLevel);
region.extent.depth = pDst->getDepth(mipLevel);
vkCmdCopyImage(mpLowLevelData->getCommandList(), pSrc->getApiHandle(), VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, pDst->getApiHandle(), VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion);
mCommandsPending = true;
}
void CopyContext::copyResource(const Resource* pDst, const Resource* pSrc)
{
const Buffer* pDstBuffer = dynamic_cast<const Buffer*>(pDst);
if (pDstBuffer)
{
const Buffer* pSrcBuffer = dynamic_cast<const Buffer*>(pSrc);
assert(pSrcBuffer && (pSrcBuffer->getSize() == pDstBuffer->getSize()));
copyBufferRegion(pDstBuffer, 0, pSrcBuffer, 0, pSrcBuffer->getSize());
}
else
{
const Texture* pSrcTex = dynamic_cast<const Texture*>(pSrc);
const Texture* pDstTex = dynamic_cast<const Texture*>(pDst);
assert(pSrcTex && pDstTex);
assert((pSrcTex->getArraySize() == pDstTex->getArraySize()) && (pSrcTex->getMipCount() == pDstTex->getMipCount()));
uint32_t mipCount = pSrcTex->getMipCount();
std::vector<VkImageCopy> regions(mipCount);
VkImageAspectFlags srcAspect = getAspectFlagsFromFormat(pSrcTex->getFormat());
VkImageAspectFlags dstAspect = getAspectFlagsFromFormat(pDstTex->getFormat());
uint32_t arraySize = pSrcTex->getArraySize();
for (uint32_t i = 0; i < mipCount; i++)
{
regions[i] = {};
regions[i].srcSubresource.aspectMask = srcAspect;
regions[i].srcSubresource.baseArrayLayer = 0;
regions[i].srcSubresource.layerCount = arraySize;
regions[i].srcSubresource.mipLevel = i;
regions[i].dstSubresource = regions[i].srcSubresource;
regions[i].dstSubresource.aspectMask = dstAspect;
regions[i].extent.width = pSrcTex->getWidth(i);
regions[i].extent.height = pSrcTex->getHeight(i);
regions[i].extent.depth = pSrcTex->getDepth(i);
}
resourceBarrier(pDst, Resource::State::CopyDest);
resourceBarrier(pSrc, Resource::State::CopySource);
vkCmdCopyImage(mpLowLevelData->getCommandList(), pSrc->getApiHandle(), VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, pDst->getApiHandle(), VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, mipCount, regions.data());
}
mCommandsPending = true;
}
void StagingTexture2DLinear::CopyToImage(VkCommandBuffer command_buffer, VkImage image,
VkImageAspectFlags dst_aspect, u32 x, u32 y, u32 width,
u32 height, u32 level, u32 layer)
{
// Flush memory range if currently mapped.
if (m_map_pointer && !m_coherent)
{
VkMappedMemoryRange range = {VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE, nullptr, m_memory,
m_map_offset, m_map_size};
vkFlushMappedMemoryRanges(g_vulkan_context->GetDevice(), 1, &range);
}
// Ensure any writes to the image are visible to the GPU.
VkImageMemoryBarrier barrier = {
VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, // VkStructureType sType
nullptr, // const void* pNext
VK_ACCESS_HOST_WRITE_BIT, // VkAccessFlags srcAccessMask
VK_ACCESS_TRANSFER_READ_BIT, // VkAccessFlags dstAccessMask
m_layout, // VkImageLayout oldLayout
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, // VkImageLayout newLayout
VK_QUEUE_FAMILY_IGNORED, // uint32_t srcQueueFamilyIndex
VK_QUEUE_FAMILY_IGNORED, // uint32_t dstQueueFamilyIndex
m_image, // VkImage image
{VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1} // VkImageSubresourceRange subresourceRange
};
vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT,
0, 0, nullptr, 0, nullptr, 1, &barrier);
m_layout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
// Issue the image copy, host -> gpu.
VkImageCopy copy_region = {
{VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1}, // VkImageSubresourceLayers srcSubresource
{0, 0, 0}, // VkOffset3D srcOffset
{dst_aspect, level, layer, 1}, // VkImageSubresourceLayers dstSubresource
{static_cast<s32>(x), static_cast<s32>(y), 0}, // VkOffset3D dstOffset
{width, height, 1} // VkExtent3D extent
};
vkCmdCopyImage(command_buffer, m_image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ©_region);
}
void VKTexture::CopyRectangleFromTexture(const AbstractTexture* src,
const MathUtil::Rectangle<int>& src_rect, u32 src_layer,
u32 src_level, const MathUtil::Rectangle<int>& dst_rect,
u32 dst_layer, u32 dst_level)
{
Texture2D* src_texture = static_cast<const VKTexture*>(src)->GetRawTexIdentifier();
_assert_msg_(VIDEO, static_cast<u32>(src_rect.GetWidth()) <= src_texture->GetWidth() &&
static_cast<u32>(src_rect.GetHeight()) <= src_texture->GetHeight(),
"Source rect is too large for CopyRectangleFromTexture");
_assert_msg_(VIDEO, static_cast<u32>(dst_rect.GetWidth()) <= m_config.width &&
static_cast<u32>(dst_rect.GetHeight()) <= m_config.height,
"Dest rect is too large for CopyRectangleFromTexture");
VkImageCopy image_copy = {
{VK_IMAGE_ASPECT_COLOR_BIT, src_level, src_layer, src_texture->GetLayers()},
{src_rect.left, src_rect.top, 0},
{VK_IMAGE_ASPECT_COLOR_BIT, dst_level, dst_layer, m_config.layers},
{dst_rect.left, dst_rect.top, 0},
{static_cast<uint32_t>(src_rect.GetWidth()), static_cast<uint32_t>(src_rect.GetHeight()), 1}};
// Must be called outside of a render pass.
StateTracker::GetInstance()->EndRenderPass();
src_texture->TransitionToLayout(g_command_buffer_mgr->GetCurrentCommandBuffer(),
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
m_texture->TransitionToLayout(g_command_buffer_mgr->GetCurrentCommandBuffer(),
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
vkCmdCopyImage(g_command_buffer_mgr->GetCurrentCommandBuffer(), src_texture->GetImage(),
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, m_texture->GetImage(),
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &image_copy);
// Ensure both textures remain in the SHADER_READ_ONLY layout so they can be bound.
src_texture->TransitionToLayout(g_command_buffer_mgr->GetCurrentCommandBuffer(),
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
m_texture->TransitionToLayout(g_command_buffer_mgr->GetCurrentCommandBuffer(),
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
}
void Image::copyImage(const VkCommandBuffer cmdBuffer, IImageSP& targetImage, const VkImageCopy& imageCopy)
{
if (!targetImage.get())
{
return;
}
VkImageLayout sourceImageLayout = getImageLayout(imageCopy.srcSubresource.mipLevel, imageCopy.srcSubresource.baseArrayLayer);
VkAccessFlags sourceAccessMask = getAccessMask(imageCopy.srcSubresource.mipLevel, imageCopy.srcSubresource.baseArrayLayer);
VkImageLayout targetImageLayout = targetImage->getImageLayout(imageCopy.dstSubresource.mipLevel, imageCopy.dstSubresource.baseArrayLayer);
VkAccessFlags targetAccessMask = targetImage->getAccessMask(imageCopy.dstSubresource.mipLevel, imageCopy.dstSubresource.baseArrayLayer);
// Prepare source image for copy.
VkImageSubresourceRange srcImageSubresourceRange = {imageCopy.srcSubresource.aspectMask, imageCopy.srcSubresource.mipLevel, 1, imageCopy.srcSubresource.baseArrayLayer, imageCopy.srcSubresource.layerCount};
cmdPipelineBarrier(cmdBuffer, VK_ACCESS_TRANSFER_READ_BIT, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, srcImageSubresourceRange);
// Prepare target image for copy.
VkImageSubresourceRange dstImageSubresourceRange = {imageCopy.dstSubresource.aspectMask, imageCopy.dstSubresource.mipLevel, 1, imageCopy.dstSubresource.baseArrayLayer, imageCopy.dstSubresource.layerCount};
targetImage->cmdPipelineBarrier(cmdBuffer, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, dstImageSubresourceRange);
// Copy image by command.
vkCmdCopyImage(cmdBuffer, image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, targetImage->getImage(), VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &imageCopy);
// Revert back.
targetImage->cmdPipelineBarrier(cmdBuffer, targetAccessMask, targetImageLayout, dstImageSubresourceRange);
// Revert back.
cmdPipelineBarrier(cmdBuffer, sourceAccessMask, sourceImageLayout, srcImageSubresourceRange);
}
void TextureCache::CopyTextureRectangle(TCacheEntry* dst_texture,
const MathUtil::Rectangle<int>& dst_rect,
Texture2D* src_texture,
const MathUtil::Rectangle<int>& src_rect)
{
_assert_msg_(VIDEO, static_cast<u32>(src_rect.GetWidth()) <= src_texture->GetWidth() &&
static_cast<u32>(src_rect.GetHeight()) <= src_texture->GetHeight(),
"Source rect is too large for CopyRectangleFromTexture");
_assert_msg_(VIDEO, static_cast<u32>(dst_rect.GetWidth()) <= dst_texture->config.width &&
static_cast<u32>(dst_rect.GetHeight()) <= dst_texture->config.height,
"Dest rect is too large for CopyRectangleFromTexture");
VkImageCopy image_copy = {
{ VK_IMAGE_ASPECT_COLOR_BIT, 0, 0,
src_texture->GetLayers() }, // VkImageSubresourceLayers srcSubresource
{ src_rect.left, src_rect.top, 0 }, // VkOffset3D srcOffset
{ VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, // VkImageSubresourceLayers dstSubresource
dst_texture->config.layers },
{ dst_rect.left, dst_rect.top, 0 }, // VkOffset3D dstOffset
{ static_cast<uint32_t>(src_rect.GetWidth()), static_cast<uint32_t>(src_rect.GetHeight()),
1 } // VkExtent3D extent
};
// Must be called outside of a render pass.
StateTracker::GetInstance()->EndRenderPass();
src_texture->TransitionToLayout(g_command_buffer_mgr->GetCurrentCommandBuffer(),
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
dst_texture->GetTexture()->TransitionToLayout(g_command_buffer_mgr->GetCurrentCommandBuffer(),
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
vkCmdCopyImage(g_command_buffer_mgr->GetCurrentCommandBuffer(), src_texture->GetImage(),
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, dst_texture->GetTexture()->GetImage(),
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &image_copy);
}
// Take a screenshot for the curretn swapchain image
// This is done using a blit from the swapchain image to a linear image whose memory content is then saved as a ppm image
// Getting the image date directly from a swapchain image wouldn't work as they're usually stored in an implementation dependant optimal tiling format
// Note: This requires the swapchain images to be created with the VK_IMAGE_USAGE_TRANSFER_SRC_BIT flag (see VulkanSwapChain::create)
void saveScreenshot(const char *filename)
{
screenshotSaved = false;
// Get format properties for the swapchain color format
VkFormatProperties formatProps;
bool supportsBlit = true;
// Check blit support for source and destination
// Check if the device supports blitting from optimal images (the swapchain images are in optimal format)
vkGetPhysicalDeviceFormatProperties(physicalDevice, swapChain.colorFormat, &formatProps);
if (!(formatProps.optimalTilingFeatures & VK_FORMAT_FEATURE_BLIT_SRC_BIT)) {
std::cerr << "Device does not support blitting from optimal tiled images, using copy instead of blit!" << std::endl;
supportsBlit = false;
}
// Check if the device supports blitting to linear images
vkGetPhysicalDeviceFormatProperties(physicalDevice, VK_FORMAT_R8G8B8A8_UNORM, &formatProps);
if (!(formatProps.linearTilingFeatures & VK_FORMAT_FEATURE_BLIT_DST_BIT)) {
std::cerr << "Device does not support blitting to linear tiled images, using copy instead of blit!" << std::endl;
supportsBlit = false;
}
// Source for the copy is the last rendered swapchain image
VkImage srcImage = swapChain.images[currentBuffer];
// Create the linear tiled destination image to copy to and to read the memory from
VkImageCreateInfo imgCreateInfo(vks::initializers::imageCreateInfo());
imgCreateInfo.imageType = VK_IMAGE_TYPE_2D;
// Note that vkCmdBlitImage (if supported) will also do format conversions if the swapchain color format would differ
imgCreateInfo.format = VK_FORMAT_R8G8B8A8_UNORM;
imgCreateInfo.extent.width = width;
imgCreateInfo.extent.height = height;
imgCreateInfo.extent.depth = 1;
imgCreateInfo.arrayLayers = 1;
imgCreateInfo.mipLevels = 1;
imgCreateInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
imgCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
imgCreateInfo.tiling = VK_IMAGE_TILING_LINEAR;
imgCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT;
// Create the image
VkImage dstImage;
VK_CHECK_RESULT(vkCreateImage(device, &imgCreateInfo, nullptr, &dstImage));
// Create memory to back up the image
VkMemoryRequirements memRequirements;
VkMemoryAllocateInfo memAllocInfo(vks::initializers::memoryAllocateInfo());
VkDeviceMemory dstImageMemory;
vkGetImageMemoryRequirements(device, dstImage, &memRequirements);
memAllocInfo.allocationSize = memRequirements.size;
// Memory must be host visible to copy from
memAllocInfo.memoryTypeIndex = vulkanDevice->getMemoryType(memRequirements.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
VK_CHECK_RESULT(vkAllocateMemory(device, &memAllocInfo, nullptr, &dstImageMemory));
VK_CHECK_RESULT(vkBindImageMemory(device, dstImage, dstImageMemory, 0));
// Do the actual blit from the swapchain image to our host visible destination image
VkCommandBuffer copyCmd = vulkanDevice->createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true);
VkImageMemoryBarrier imageMemoryBarrier = vks::initializers::imageMemoryBarrier();
// Transition destination image to transfer destination layout
vks::tools::insertImageMemoryBarrier(
copyCmd,
dstImage,
0,
VK_ACCESS_TRANSFER_WRITE_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VkImageSubresourceRange{ VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 });
// Transition swapchain image from present to transfer source layout
vks::tools::insertImageMemoryBarrier(
copyCmd,
srcImage,
VK_ACCESS_MEMORY_READ_BIT,
VK_ACCESS_TRANSFER_READ_BIT,
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VkImageSubresourceRange{ VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 });
// If source and destination support blit we'll blit as this also does automatic format conversion (e.g. from BGR to RGB)
if (supportsBlit)
{
// Define the region to blit (we will blit the whole swapchain image)
VkOffset3D blitSize;
blitSize.x = width;
blitSize.y = height;
blitSize.z = 1;
VkImageBlit imageBlitRegion{};
imageBlitRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imageBlitRegion.srcSubresource.layerCount = 1;
imageBlitRegion.srcOffsets[1] = blitSize;
imageBlitRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imageBlitRegion.dstSubresource.layerCount = 1;
imageBlitRegion.dstOffsets[1] = blitSize;
// Issue the blit command
vkCmdBlitImage(
copyCmd,
srcImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
dstImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1,
&imageBlitRegion,
VK_FILTER_NEAREST);
}
else
{
// Otherwise use image copy (requires us to manually flip components)
VkImageCopy imageCopyRegion{};
imageCopyRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imageCopyRegion.srcSubresource.layerCount = 1;
imageCopyRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imageCopyRegion.dstSubresource.layerCount = 1;
imageCopyRegion.extent.width = width;
imageCopyRegion.extent.height = height;
imageCopyRegion.extent.depth = 1;
// Issue the copy command
vkCmdCopyImage(
copyCmd,
srcImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
dstImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1,
&imageCopyRegion);
}
// Transition destination image to general layout, which is the required layout for mapping the image memory later on
vks::tools::insertImageMemoryBarrier(
copyCmd,
dstImage,
VK_ACCESS_TRANSFER_WRITE_BIT,
VK_ACCESS_MEMORY_READ_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_IMAGE_LAYOUT_GENERAL,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VkImageSubresourceRange{ VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 });
// Transition back the swap chain image after the blit is done
vks::tools::insertImageMemoryBarrier(
copyCmd,
srcImage,
VK_ACCESS_TRANSFER_READ_BIT,
VK_ACCESS_MEMORY_READ_BIT,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VkImageSubresourceRange{ VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 });
vulkanDevice->flushCommandBuffer(copyCmd, queue);
// Get layout of the image (including row pitch)
VkImageSubresource subResource{};
subResource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
VkSubresourceLayout subResourceLayout;
vkGetImageSubresourceLayout(device, dstImage, &subResource, &subResourceLayout);
// Map image memory so we can start copying from it
const char* data;
vkMapMemory(device, dstImageMemory, 0, VK_WHOLE_SIZE, 0, (void**)&data);
data += subResourceLayout.offset;
std::ofstream file(filename, std::ios::out | std::ios::binary);
// ppm header
file << "P6\n" << width << "\n" << height << "\n" << 255 << "\n";
// If source is BGR (destination is always RGB) and we can't use blit (which does automatic conversion), we'll have to manually swizzle color components
bool colorSwizzle = false;
// Check if source is BGR
// Note: Not complete, only contains most common and basic BGR surface formats for demonstation purposes
if (!supportsBlit)
{
std::vector<VkFormat> formatsBGR = { VK_FORMAT_B8G8R8A8_SRGB, VK_FORMAT_B8G8R8A8_UNORM, VK_FORMAT_B8G8R8A8_SNORM };
colorSwizzle = (std::find(formatsBGR.begin(), formatsBGR.end(), swapChain.colorFormat) != formatsBGR.end());
}
// ppm binary pixel data
for (uint32_t y = 0; y < height; y++)
{
unsigned int *row = (unsigned int*)data;
for (uint32_t x = 0; x < width; x++)
{
if (colorSwizzle)
{
file.write((char*)row+2, 1);
file.write((char*)row+1, 1);
file.write((char*)row, 1);
}
else
{
file.write((char*)row, 3);
}
row++;
}
data += subResourceLayout.rowPitch;
}
file.close();
std::cout << "Screenshot saved to disk" << std::endl;
// Clean up resources
vkUnmapMemory(device, dstImageMemory);
vkFreeMemory(device, dstImageMemory, nullptr);
vkDestroyImage(device, dstImage, nullptr);
screenshotSaved = true;
}
void VulkanTexture::copyImpl(const SPtr<Texture>& target, const TEXTURE_COPY_DESC& desc,
const SPtr<CommandBuffer>& commandBuffer)
{
VulkanTexture* other = static_cast<VulkanTexture*>(target.get());
const TextureProperties& srcProps = mProperties;
const TextureProperties& dstProps = other->getProperties();
bool srcHasMultisample = srcProps.getNumSamples() > 1;
bool destHasMultisample = dstProps.getNumSamples() > 1;
if ((srcProps.getUsage() & TU_DEPTHSTENCIL) != 0 || (dstProps.getUsage() & TU_DEPTHSTENCIL) != 0)
{
LOGERR("Texture copy/resolve isn't supported for depth-stencil textures.");
return;
}
bool needsResolve = srcHasMultisample && !destHasMultisample;
bool isMSCopy = srcHasMultisample || destHasMultisample;
if (!needsResolve && isMSCopy)
{
if (srcProps.getNumSamples() != dstProps.getNumSamples())
{
LOGERR("When copying textures their multisample counts must match. Ignoring copy.");
return;
}
}
VkImageLayout transferSrcLayout = mDirectlyMappable ? VK_IMAGE_LAYOUT_GENERAL : VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
VkImageLayout transferDstLayout = other->mDirectlyMappable ? VK_IMAGE_LAYOUT_GENERAL : VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
UINT32 mipWidth, mipHeight, mipDepth;
bool copyEntireSurface = desc.srcVolume.getWidth() == 0 ||
desc.srcVolume.getHeight() == 0 ||
desc.srcVolume.getDepth() == 0;
if(copyEntireSurface)
{
PixelUtil::getSizeForMipLevel(
srcProps.getWidth(),
srcProps.getHeight(),
srcProps.getDepth(),
desc.srcMip,
mipWidth,
mipHeight,
mipDepth);
}
else
{
mipWidth = desc.srcVolume.getWidth();
mipHeight = desc.srcVolume.getHeight();
mipDepth = desc.srcVolume.getDepth();
}
VkImageResolve resolveRegion;
resolveRegion.srcOffset = { (INT32)desc.srcVolume.left, (INT32)desc.srcVolume.top, (INT32)desc.srcVolume.front };
resolveRegion.dstOffset = { desc.dstPosition.x, desc.dstPosition.y, desc.dstPosition.z };
resolveRegion.extent = { mipWidth, mipHeight, mipDepth };
resolveRegion.srcSubresource.baseArrayLayer = desc.srcFace;
resolveRegion.srcSubresource.layerCount = 1;
resolveRegion.srcSubresource.mipLevel = desc.srcMip;
resolveRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
resolveRegion.dstSubresource.baseArrayLayer = desc.dstFace;
resolveRegion.dstSubresource.layerCount = 1;
resolveRegion.dstSubresource.mipLevel = desc.dstMip;
resolveRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
VkImageCopy imageRegion;
imageRegion.srcOffset = { (INT32)desc.srcVolume.left, (INT32)desc.srcVolume.top, (INT32)desc.srcVolume.front };
imageRegion.dstOffset = { desc.dstPosition.x, desc.dstPosition.y, desc.dstPosition.z };
imageRegion.extent = { mipWidth, mipHeight, mipDepth };
imageRegion.srcSubresource.baseArrayLayer = desc.srcFace;
imageRegion.srcSubresource.layerCount = 1;
imageRegion.srcSubresource.mipLevel = desc.srcMip;
imageRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imageRegion.dstSubresource.baseArrayLayer = desc.dstFace;
imageRegion.dstSubresource.layerCount = 1;
imageRegion.dstSubresource.mipLevel = desc.dstMip;
imageRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
VkImageSubresourceRange srcRange;
srcRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
srcRange.baseArrayLayer = desc.srcFace;
srcRange.layerCount = 1;
srcRange.baseMipLevel = desc.srcMip;
srcRange.levelCount = 1;
VkImageSubresourceRange dstRange;
dstRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
dstRange.baseArrayLayer = desc.dstFace;
dstRange.layerCount = 1;
dstRange.baseMipLevel = desc.dstMip;
dstRange.levelCount = 1;
VulkanRenderAPI& rapi = static_cast<VulkanRenderAPI&>(RenderAPI::instance());
VulkanCmdBuffer* vkCB;
if (commandBuffer != nullptr)
vkCB = static_cast<VulkanCommandBuffer*>(commandBuffer.get())->getInternal();
else
vkCB = rapi._getMainCommandBuffer()->getInternal();
UINT32 deviceIdx = vkCB->getDeviceIdx();
VulkanImage* srcImage = mImages[deviceIdx];
VulkanImage* dstImage = other->getResource(deviceIdx);
if (srcImage == nullptr || dstImage == nullptr)
return;
VkImageLayout srcLayout = vkCB->getCurrentLayout(srcImage, srcRange, false);
VkImageLayout dstLayout = vkCB->getCurrentLayout(dstImage, dstRange, false);
VkCommandBuffer vkCmdBuf = vkCB->getHandle();
VkAccessFlags srcAccessMask = srcImage->getAccessFlags(srcLayout);
VkAccessFlags dstAccessMask = dstImage->getAccessFlags(dstLayout);
if (vkCB->isInRenderPass())
vkCB->endRenderPass();
// Transfer textures to a valid layout
vkCB->setLayout(srcImage->getHandle(), srcAccessMask, VK_ACCESS_TRANSFER_READ_BIT, srcLayout,
transferSrcLayout, srcRange);
vkCB->setLayout(dstImage->getHandle(), dstAccessMask, VK_ACCESS_TRANSFER_WRITE_BIT,
dstLayout, transferDstLayout, dstRange);
if (srcHasMultisample && !destHasMultisample) // Resolving from MS to non-MS texture
{
vkCmdResolveImage(vkCmdBuf, srcImage->getHandle(), transferSrcLayout, dstImage->getHandle(), transferDstLayout,
1, &resolveRegion);
}
else // Just a normal copy
{
vkCmdCopyImage(vkCmdBuf, srcImage->getHandle(), transferSrcLayout, dstImage->getHandle(), transferDstLayout,
1, &imageRegion);
}
// Transfer back to optimal layouts
srcLayout = srcImage->getOptimalLayout();
// Notify the command buffer that these resources are being used on it
vkCB->registerResource(srcImage, srcRange, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, VulkanUseFlag::Read, ResourceUsage::Transfer);
vkCB->registerResource(dstImage, dstRange, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VulkanUseFlag::Write, ResourceUsage::Transfer);
}
void TextureConverter::DecodeTexture(VkCommandBuffer command_buffer,
TextureCache::TCacheEntry* entry, u32 dst_level,
const u8* data, size_t data_size, TextureFormat format,
u32 width, u32 height, u32 aligned_width, u32 aligned_height,
u32 row_stride, const u8* palette, TlutFormat palette_format)
{
VKTexture* destination_texture = static_cast<VKTexture*>(entry->texture.get());
auto key = std::make_pair(format, palette_format);
auto iter = m_decoding_pipelines.find(key);
if (iter == m_decoding_pipelines.end())
return;
struct PushConstants
{
u32 dst_size[2];
u32 src_size[2];
u32 src_offset;
u32 src_row_stride;
u32 palette_offset;
};
// Copy to GPU-visible buffer, aligned to the data type
auto info = iter->second;
u32 bytes_per_buffer_elem =
TextureConversionShader::GetBytesPerBufferElement(info.base_info->buffer_format);
// Calculate total data size, including palette.
// Only copy palette if it is required.
u32 total_upload_size = static_cast<u32>(data_size);
u32 palette_size = iter->second.base_info->palette_size;
u32 palette_offset = total_upload_size;
bool has_palette = palette_size > 0;
if (has_palette)
{
// Align to u16.
if ((total_upload_size % sizeof(u16)) != 0)
{
total_upload_size++;
palette_offset++;
}
total_upload_size += palette_size;
}
// Allocate space for upload, if it fails, execute the buffer.
if (!m_texel_buffer->ReserveMemory(total_upload_size, bytes_per_buffer_elem))
{
Util::ExecuteCurrentCommandsAndRestoreState(true, false);
if (!m_texel_buffer->ReserveMemory(total_upload_size, bytes_per_buffer_elem))
PanicAlert("Failed to reserve memory for encoded texture upload");
}
// Copy/commit upload buffer.
u32 texel_buffer_offset = static_cast<u32>(m_texel_buffer->GetCurrentOffset());
std::memcpy(m_texel_buffer->GetCurrentHostPointer(), data, data_size);
if (has_palette)
std::memcpy(m_texel_buffer->GetCurrentHostPointer() + palette_offset, palette, palette_size);
m_texel_buffer->CommitMemory(total_upload_size);
// Determine uniforms.
PushConstants constants = {
{width, height},
{aligned_width, aligned_height},
texel_buffer_offset / bytes_per_buffer_elem,
row_stride / bytes_per_buffer_elem,
static_cast<u32>((texel_buffer_offset + palette_offset) / sizeof(u16))};
// Determine view to use for texel buffers.
VkBufferView data_view = VK_NULL_HANDLE;
switch (iter->second.base_info->buffer_format)
{
case TextureConversionShader::BUFFER_FORMAT_R8_UINT:
data_view = m_texel_buffer_view_r8_uint;
break;
case TextureConversionShader::BUFFER_FORMAT_R16_UINT:
data_view = m_texel_buffer_view_r16_uint;
break;
case TextureConversionShader::BUFFER_FORMAT_R32G32_UINT:
data_view = m_texel_buffer_view_r32g32_uint;
break;
default:
break;
}
// Dispatch compute to temporary texture.
ComputeShaderDispatcher dispatcher(command_buffer,
g_object_cache->GetPipelineLayout(PIPELINE_LAYOUT_COMPUTE),
iter->second.compute_shader);
m_decoding_texture->TransitionToLayout(command_buffer, Texture2D::ComputeImageLayout::WriteOnly);
dispatcher.SetPushConstants(&constants, sizeof(constants));
dispatcher.SetStorageImage(m_decoding_texture->GetView(), m_decoding_texture->GetLayout());
dispatcher.SetTexelBuffer(0, data_view);
if (has_palette)
dispatcher.SetTexelBuffer(1, m_texel_buffer_view_r16_uint);
auto groups = TextureConversionShader::GetDispatchCount(iter->second.base_info, aligned_width,
aligned_height);
dispatcher.Dispatch(groups.first, groups.second, 1);
// Copy from temporary texture to final destination.
Texture2D* vulkan_tex_identifier = destination_texture->GetRawTexIdentifier();
m_decoding_texture->TransitionToLayout(command_buffer, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
vulkan_tex_identifier->TransitionToLayout(command_buffer, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
VkImageCopy image_copy = {{VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
{0, 0, 0},
{VK_IMAGE_ASPECT_COLOR_BIT, dst_level, 0, 1},
{0, 0, 0},
{width, height, 1}};
vkCmdCopyImage(command_buffer, m_decoding_texture->GetImage(),
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, vulkan_tex_identifier->GetImage(),
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &image_copy);
}
void VulkanTexture::Unlock() {
vkUnmapMemory(vulkan_->GetDevice(), mappableMemory);
VkCommandBuffer cmd = vulkan_->GetInitCommandBuffer();
// if we already have an image, queue it for destruction and forget it.
Wipe();
if (!needStaging) {
// If we can use the linear tiled image as a texture, just do it
image = mappableImage;
mem = mappableMemory;
TransitionImageLayout(cmd, image, VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_PREINITIALIZED, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
// Make sure we don't accidentally delete the main image.
mappableImage = VK_NULL_HANDLE;
mappableMemory = VK_NULL_HANDLE;
} else {
VkImageCreateInfo image_create_info = { VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO };
image_create_info.imageType = VK_IMAGE_TYPE_2D;
image_create_info.format = format_;
image_create_info.extent.width = tex_width;
image_create_info.extent.height = tex_height;
image_create_info.extent.depth = 1;
image_create_info.mipLevels = 1;
image_create_info.arrayLayers = 1;
image_create_info.samples = VK_SAMPLE_COUNT_1_BIT;
image_create_info.queueFamilyIndexCount = 0;
image_create_info.pQueueFamilyIndices = NULL;
image_create_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
image_create_info.flags = 0;
// The mappable image cannot be our texture, so create an optimally tiled image and blit to it
image_create_info.tiling = VK_IMAGE_TILING_OPTIMAL;
image_create_info.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
image_create_info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
VkResult res = vkCreateImage(vulkan_->GetDevice(), &image_create_info, NULL, &image);
assert(res == VK_SUCCESS);
vkGetImageMemoryRequirements(vulkan_->GetDevice(), image, &mem_reqs);
VkMemoryAllocateInfo mem_alloc = { VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO };
mem_alloc.memoryTypeIndex = 0;
mem_alloc.allocationSize = mem_reqs.size;
// Find memory type - don't specify any mapping requirements
bool pass = vulkan_->MemoryTypeFromProperties(mem_reqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &mem_alloc.memoryTypeIndex);
assert(pass);
res = vkAllocateMemory(vulkan_->GetDevice(), &mem_alloc, NULL, &mem);
assert(res == VK_SUCCESS);
res = vkBindImageMemory(vulkan_->GetDevice(), image, mem, 0);
assert(res == VK_SUCCESS);
// Since we're going to blit from the mappable image, set its layout to SOURCE_OPTIMAL
TransitionImageLayout(cmd, mappableImage,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_PREINITIALIZED,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
TransitionImageLayout(cmd, image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
VkImageCopy copy_region;
copy_region.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
copy_region.srcSubresource.mipLevel = 0;
copy_region.srcSubresource.baseArrayLayer = 0;
copy_region.srcSubresource.layerCount = 1;
copy_region.srcOffset.x = 0;
copy_region.srcOffset.y = 0;
copy_region.srcOffset.z = 0;
copy_region.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
copy_region.dstSubresource.mipLevel = 0;
copy_region.dstSubresource.baseArrayLayer = 0;
copy_region.dstSubresource.layerCount = 1;
copy_region.dstOffset.x = 0;
copy_region.dstOffset.y = 0;
copy_region.dstOffset.z = 0;
copy_region.extent.width = tex_width;
copy_region.extent.height = tex_height;
copy_region.extent.depth = 1;
// Put the copy command into the command buffer
vkCmdCopyImage(cmd,
mappableImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, ©_region);
assert(res == VK_SUCCESS);
// Set the layout for the texture image from DESTINATION_OPTIMAL to SHADER_READ_ONLY
TransitionImageLayout(cmd, image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
// Then drop the temporary mappable image - although should not be necessary...
vulkan_->Delete().QueueDeleteImage(mappableImage);
vulkan_->Delete().QueueDeleteDeviceMemory(mappableMemory);
mappableImage = VK_NULL_HANDLE;
mappableMemory = VK_NULL_HANDLE;
}
VkImageViewCreateInfo view_info = { VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO };
view_info.image = image;
view_info.viewType = VK_IMAGE_VIEW_TYPE_2D;
view_info.format = format_;
view_info.components.r = VK_COMPONENT_SWIZZLE_R;
view_info.components.g = VK_COMPONENT_SWIZZLE_G;
view_info.components.b = VK_COMPONENT_SWIZZLE_B;
view_info.components.a = VK_COMPONENT_SWIZZLE_A;
view_info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
view_info.subresourceRange.baseMipLevel = 0;
view_info.subresourceRange.levelCount = 1;
view_info.subresourceRange.baseArrayLayer = 0;
view_info.subresourceRange.layerCount = 1;
VkResult res = vkCreateImageView(vulkan_->GetDevice(), &view_info, NULL, &view);
assert(res == VK_SUCCESS);
}
int sample_main(int argc, char *argv[]) {
VkResult U_ASSERT_ONLY res;
struct sample_info info = {};
char sample_title[] = "Copy/Blit Image";
VkImageCreateInfo image_info;
VkImage bltSrcImage;
VkImage bltDstImage;
VkMemoryRequirements memReq;
VkMemoryAllocateInfo memAllocInfo;
VkDeviceMemory dmem;
unsigned char *pImgMem;
process_command_line_args(info, argc, argv);
init_global_layer_properties(info);
init_instance_extension_names(info);
init_device_extension_names(info);
init_instance(info, sample_title);
init_enumerate_device(info);
init_window_size(info, 640, 640);
init_connection(info);
init_window(info);
init_swapchain_extension(info);
VkSurfaceCapabilitiesKHR surfCapabilities;
res = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(info.gpus[0], info.surface,
&surfCapabilities);
if (!(surfCapabilities.supportedUsageFlags & VK_IMAGE_USAGE_TRANSFER_DST_BIT)) {
std::cout << "Surface cannot be destination of blit - abort \n";
exit(-1);
}
init_device(info);
init_command_pool(info);
init_command_buffer(info);
execute_begin_command_buffer(info);
init_device_queue(info);
init_swap_chain(info, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
VK_IMAGE_USAGE_TRANSFER_DST_BIT);
/* VULKAN_KEY_START */
VkFormatProperties formatProps;
vkGetPhysicalDeviceFormatProperties(info.gpus[0], info.format,
&formatProps);
assert(
(formatProps.linearTilingFeatures & VK_FORMAT_FEATURE_BLIT_SRC_BIT) &&
"Format cannot be used as transfer source");
VkSemaphore presentCompleteSemaphore;
VkSemaphoreCreateInfo presentCompleteSemaphoreCreateInfo;
presentCompleteSemaphoreCreateInfo.sType =
VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
presentCompleteSemaphoreCreateInfo.pNext = NULL;
presentCompleteSemaphoreCreateInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT;
res = vkCreateSemaphore(info.device, &presentCompleteSemaphoreCreateInfo,
NULL, &presentCompleteSemaphore);
assert(res == VK_SUCCESS);
// Get the index of the next available swapchain image:
res = vkAcquireNextImageKHR(info.device, info.swap_chain, UINT64_MAX,
presentCompleteSemaphore, VK_NULL_HANDLE,
&info.current_buffer);
// TODO: Deal with the VK_SUBOPTIMAL_KHR and VK_ERROR_OUT_OF_DATE_KHR
// return codes
assert(res == VK_SUCCESS);
// Create an image, map it, and write some values to the image
image_info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
image_info.pNext = NULL;
image_info.imageType = VK_IMAGE_TYPE_2D;
image_info.format = info.format;
image_info.extent.width = info.width;
image_info.extent.height = info.height;
image_info.extent.depth = 1;
image_info.mipLevels = 1;
image_info.arrayLayers = 1;
image_info.samples = NUM_SAMPLES;
image_info.queueFamilyIndexCount = 0;
image_info.pQueueFamilyIndices = NULL;
image_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
image_info.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
image_info.flags = 0;
image_info.tiling = VK_IMAGE_TILING_LINEAR;
image_info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
res = vkCreateImage(info.device, &image_info, NULL, &bltSrcImage);
memAllocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
memAllocInfo.pNext = NULL;
vkGetImageMemoryRequirements(info.device, bltSrcImage, &memReq);
bool pass = memory_type_from_properties(info, memReq.memoryTypeBits,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
&memAllocInfo.memoryTypeIndex);
assert(pass);
memAllocInfo.allocationSize = memReq.size;
res = vkAllocateMemory(info.device, &memAllocInfo, NULL, &dmem);
res = vkBindImageMemory(info.device, bltSrcImage, dmem, 0);
set_image_layout(info, bltSrcImage, VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_GENERAL);
res = vkEndCommandBuffer(info.cmd);
assert(res == VK_SUCCESS);
VkFence cmdFence;
init_fence(info, cmdFence);
VkPipelineStageFlags pipe_stage_flags =
VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
VkSubmitInfo submit_info = {};
submit_info.pNext = NULL;
submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submit_info.waitSemaphoreCount = 1;
submit_info.pWaitSemaphores = &presentCompleteSemaphore;
submit_info.pWaitDstStageMask = &pipe_stage_flags;
submit_info.commandBufferCount = 1;
submit_info.pCommandBuffers = &info.cmd;
submit_info.signalSemaphoreCount = 0;
submit_info.pSignalSemaphores = NULL;
/* Queue the command buffer for execution */
res = vkQueueSubmit(info.queue, 1, &submit_info, cmdFence);
assert(res == VK_SUCCESS);
/* Make sure command buffer is finished before mapping */
do {
res =
vkWaitForFences(info.device, 1, &cmdFence, VK_TRUE, FENCE_TIMEOUT);
} while (res == VK_TIMEOUT);
assert(res == VK_SUCCESS);
vkDestroyFence(info.device, cmdFence, NULL);
res = vkMapMemory(info.device, dmem, 0, memReq.size, 0, (void **)&pImgMem);
// Checkerboard of 8x8 pixel squares
for (int row = 0; row < info.height; row++) {
for (int col = 0; col < info.width; col++) {
unsigned char rgb = (((row & 0x8) == 0) ^ ((col & 0x8) == 0)) * 255;
pImgMem[0] = rgb;
pImgMem[1] = rgb;
pImgMem[2] = rgb;
pImgMem[3] = 255;
pImgMem += 4;
}
}
// Flush the mapped memory and then unmap it Assume it isn't coherent since
// we didn't really confirm
VkMappedMemoryRange memRange;
memRange.sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE;
memRange.pNext = NULL;
memRange.memory = dmem;
memRange.offset = 0;
memRange.size = memReq.size;
res = vkFlushMappedMemoryRanges(info.device, 1, &memRange);
vkUnmapMemory(info.device, dmem);
vkResetCommandBuffer(info.cmd, 0);
execute_begin_command_buffer(info);
set_image_layout(info, bltSrcImage, VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_GENERAL,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
bltDstImage = info.buffers[info.current_buffer].image;
// init_swap_chain will create the images as color attachment optimal
// but we want transfer dst optimal
set_image_layout(info, bltDstImage, VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
// Do a 32x32 blit to all of the dst image - should get big squares
VkImageBlit region;
region.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
region.srcSubresource.mipLevel = 0;
region.srcSubresource.baseArrayLayer = 0;
region.srcSubresource.layerCount = 1;
region.srcOffsets[0].x = 0;
region.srcOffsets[0].y = 0;
region.srcOffsets[0].z = 0;
region.srcOffsets[1].x = 32;
region.srcOffsets[1].y = 32;
region.srcOffsets[1].z = 1;
region.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
region.dstSubresource.mipLevel = 0;
region.dstSubresource.baseArrayLayer = 0;
region.dstSubresource.layerCount = 1;
region.dstOffsets[0].x = 0;
region.dstOffsets[0].y = 0;
region.dstOffsets[0].z = 0;
region.dstOffsets[1].x = info.width;
region.dstOffsets[1].y = info.height;
region.dstOffsets[1].z = 1;
vkCmdBlitImage(info.cmd, bltSrcImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
bltDstImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1,
®ion, VK_FILTER_LINEAR);
// Do a image copy to part of the dst image - checks should stay small
VkImageCopy cregion;
cregion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
cregion.srcSubresource.mipLevel = 0;
cregion.srcSubresource.baseArrayLayer = 0;
cregion.srcSubresource.layerCount = 1;
cregion.srcOffset.x = 0;
cregion.srcOffset.y = 0;
cregion.srcOffset.z = 0;
cregion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
cregion.dstSubresource.mipLevel = 0;
cregion.dstSubresource.baseArrayLayer = 0;
cregion.dstSubresource.layerCount = 1;
cregion.dstOffset.x = 256;
cregion.dstOffset.y = 256;
cregion.dstOffset.z = 0;
cregion.extent.width = 128;
cregion.extent.height = 128;
cregion.extent.depth = 1;
vkCmdCopyImage(info.cmd, bltSrcImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
bltDstImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1,
&cregion);
VkImageMemoryBarrier prePresentBarrier = {};
prePresentBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
prePresentBarrier.pNext = NULL;
prePresentBarrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
prePresentBarrier.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT;
prePresentBarrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
prePresentBarrier.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
prePresentBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
prePresentBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
prePresentBarrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
prePresentBarrier.subresourceRange.baseMipLevel = 0;
prePresentBarrier.subresourceRange.levelCount = 1;
prePresentBarrier.subresourceRange.baseArrayLayer = 0;
prePresentBarrier.subresourceRange.layerCount = 1;
prePresentBarrier.image = info.buffers[info.current_buffer].image;
vkCmdPipelineBarrier(info.cmd, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, NULL, 0,
NULL, 1, &prePresentBarrier);
res = vkEndCommandBuffer(info.cmd);
VkFenceCreateInfo fenceInfo;
VkFence drawFence;
fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
fenceInfo.pNext = NULL;
fenceInfo.flags = 0;
vkCreateFence(info.device, &fenceInfo, NULL, &drawFence);
submit_info.pNext = NULL;
submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submit_info.waitSemaphoreCount = 0;
submit_info.pWaitSemaphores = NULL;
submit_info.pWaitDstStageMask = NULL;
submit_info.commandBufferCount = 1;
submit_info.pCommandBuffers = &info.cmd;
submit_info.signalSemaphoreCount = 0;
submit_info.pSignalSemaphores = NULL;
/* Queue the command buffer for execution */
res = vkQueueSubmit(info.queue, 1, &submit_info, drawFence);
assert(res == VK_SUCCESS);
res = vkQueueWaitIdle(info.queue);
assert(res == VK_SUCCESS);
/* Now present the image in the window */
VkPresentInfoKHR present;
present.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
present.pNext = NULL;
present.swapchainCount = 1;
present.pSwapchains = &info.swap_chain;
present.pImageIndices = &info.current_buffer;
present.pWaitSemaphores = NULL;
present.waitSemaphoreCount = 0;
present.pResults = NULL;
/* Make sure command buffer is finished before presenting */
do {
res =
vkWaitForFences(info.device, 1, &drawFence, VK_TRUE, FENCE_TIMEOUT);
} while (res == VK_TIMEOUT);
assert(res == VK_SUCCESS);
res = vkQueuePresentKHR(info.queue, &present);
assert(res == VK_SUCCESS);
wait_seconds(1);
/* VULKAN_KEY_END */
if (info.save_images)
write_ppm(info, "copyblitimage");
vkDestroySemaphore(info.device, presentCompleteSemaphore, NULL);
vkDestroyFence(info.device, drawFence, NULL);
vkDestroyImage(info.device, bltSrcImage, NULL);
vkFreeMemory(info.device, dmem, NULL);
destroy_swap_chain(info);
destroy_command_buffer(info);
destroy_command_pool(info);
destroy_device(info);
destroy_window(info);
destroy_instance(info);
return 0;
}
void loadTextureArray(std::string filename, VkFormat format)
{
#if defined(__ANDROID__)
// Textures are stored inside the apk on Android (compressed)
// So they need to be loaded via the asset manager
AAsset* asset = AAssetManager_open(androidApp->activity->assetManager, filename.c_str(), AASSET_MODE_STREAMING);
assert(asset);
size_t size = AAsset_getLength(asset);
assert(size > 0);
void *textureData = malloc(size);
AAsset_read(asset, textureData, size);
AAsset_close(asset);
gli::texture2DArray tex2DArray(gli::load((const char*)textureData, size));
#else
gli::texture2DArray tex2DArray(gli::load(filename));
#endif
assert(!tex2DArray.empty());
textureArray.width = tex2DArray.dimensions().x;
textureArray.height = tex2DArray.dimensions().y;
layerCount = tex2DArray.layers();
// Get device properites for the requested texture format
VkFormatProperties formatProperties;
vkGetPhysicalDeviceFormatProperties(physicalDevice, format, &formatProperties);
VkImageCreateInfo imageCreateInfo = vkTools::initializers::imageCreateInfo();
imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
imageCreateInfo.format = format;
imageCreateInfo.extent = { textureArray.width, textureArray.height, 1 };
imageCreateInfo.mipLevels = 1;
imageCreateInfo.arrayLayers = 1;
imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
imageCreateInfo.tiling = VK_IMAGE_TILING_LINEAR;
imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
imageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED;
imageCreateInfo.flags = 0;
VkMemoryAllocateInfo memAllocInfo = vkTools::initializers::memoryAllocateInfo();
VkMemoryRequirements memReqs;
struct Layer {
VkImage image;
VkDeviceMemory memory;
};
std::vector<Layer> arrayLayer;
arrayLayer.resize(layerCount);
// Allocate command buffer for image copies and layouts
VkCommandBuffer cmdBuffer;
VkCommandBufferAllocateInfo cmdBufAlllocatInfo =
vkTools::initializers::commandBufferAllocateInfo(
cmdPool,
VK_COMMAND_BUFFER_LEVEL_PRIMARY,
1);
VkResult err = vkAllocateCommandBuffers(device, &cmdBufAlllocatInfo, &cmdBuffer);
assert(!err);
VkCommandBufferBeginInfo cmdBufInfo =
vkTools::initializers::commandBufferBeginInfo();
err = vkBeginCommandBuffer(cmdBuffer, &cmdBufInfo);
assert(!err);
// Load separate cube map faces into linear tiled textures
for (uint32_t i = 0; i < layerCount; ++i)
{
err = vkCreateImage(device, &imageCreateInfo, nullptr, &arrayLayer[i].image);
assert(!err);
vkGetImageMemoryRequirements(device, arrayLayer[i].image, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAllocInfo.memoryTypeIndex);
err = vkAllocateMemory(device, &memAllocInfo, nullptr, &arrayLayer[i].memory);
assert(!err);
err = vkBindImageMemory(device, arrayLayer[i].image, arrayLayer[i].memory, 0);
assert(!err);
VkImageSubresource subRes = {};
subRes.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
VkSubresourceLayout subResLayout;
void *data;
vkGetImageSubresourceLayout(device, arrayLayer[i].image, &subRes, &subResLayout);
assert(!err);
err = vkMapMemory(device, arrayLayer[i].memory, 0, memReqs.size, 0, &data);
assert(!err);
memcpy(data, tex2DArray[i].data(), tex2DArray[i].size());
vkUnmapMemory(device, arrayLayer[i].memory);
// Image barrier for linear image (base)
// Linear image will be used as a source for the copy
vkTools::setImageLayout(
cmdBuffer,
arrayLayer[i].image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_PREINITIALIZED,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
}
// Transfer cube map faces to optimal tiling
// Setup texture as blit target with optimal tiling
imageCreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
imageCreateInfo.arrayLayers = layerCount;
err = vkCreateImage(device, &imageCreateInfo, nullptr, &textureArray.image);
assert(!err);
vkGetImageMemoryRequirements(device, textureArray.image, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &memAllocInfo.memoryTypeIndex);
err = vkAllocateMemory(device, &memAllocInfo, nullptr, &textureArray.deviceMemory);
assert(!err);
err = vkBindImageMemory(device, textureArray.image, textureArray.deviceMemory, 0);
assert(!err);
// Image barrier for optimal image (target)
// Set initial layout for all array layers of the optimal (target) tiled texture
VkImageSubresourceRange subresourceRange = {};
subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
subresourceRange.baseMipLevel = 0;
subresourceRange.levelCount = 1;
subresourceRange.layerCount = layerCount;
vkTools::setImageLayout(
cmdBuffer,
textureArray.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_PREINITIALIZED,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
subresourceRange);
// Copy cube map faces one by one
for (uint32_t i = 0; i < layerCount; ++i)
{
// Copy region for image blit
VkImageCopy copyRegion = {};
copyRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
copyRegion.srcSubresource.baseArrayLayer = 0;
copyRegion.srcSubresource.mipLevel = 0;
copyRegion.srcSubresource.layerCount = 1;
copyRegion.srcOffset = { 0, 0, 0 };
copyRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
copyRegion.dstSubresource.baseArrayLayer = i;
copyRegion.dstSubresource.mipLevel = 0;
copyRegion.dstSubresource.layerCount = 1;
copyRegion.dstOffset = { 0, 0, 0 };
copyRegion.extent.width = textureArray.width;
copyRegion.extent.height = textureArray.height;
copyRegion.extent.depth = 1;
// Put image copy into command buffer
vkCmdCopyImage(
cmdBuffer,
arrayLayer[i].image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
textureArray.image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, ©Region);
}
// Change texture image layout to shader read after all layers have been copied
textureArray.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
vkTools::setImageLayout(
cmdBuffer,
textureArray.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
textureArray.imageLayout,
subresourceRange);
err = vkEndCommandBuffer(cmdBuffer);
assert(!err);
VkFence nullFence = { VK_NULL_HANDLE };
// Submit command buffer to graphis queue
VkSubmitInfo submitInfo = vkTools::initializers::submitInfo();
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &cmdBuffer;
err = vkQueueSubmit(queue, 1, &submitInfo, nullFence);
assert(!err);
err = vkQueueWaitIdle(queue);
assert(!err);
// Create sampler
VkSamplerCreateInfo sampler = vkTools::initializers::samplerCreateInfo();
sampler.magFilter = VK_FILTER_LINEAR;
sampler.minFilter = VK_FILTER_LINEAR;
sampler.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
sampler.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
sampler.addressModeV = sampler.addressModeU;
sampler.addressModeW = sampler.addressModeU;
sampler.mipLodBias = 0.0f;
sampler.maxAnisotropy = 8;
sampler.compareOp = VK_COMPARE_OP_NEVER;
sampler.minLod = 0.0f;
sampler.maxLod = 0.0f;
sampler.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
err = vkCreateSampler(device, &sampler, nullptr, &textureArray.sampler);
assert(!err);
// Create image view
VkImageViewCreateInfo view = vkTools::initializers::imageViewCreateInfo();
view.image = VK_NULL_HANDLE;
view.viewType = VK_IMAGE_VIEW_TYPE_2D_ARRAY;
view.format = format;
view.components = { VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A };
view.subresourceRange = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 };
view.subresourceRange.layerCount = layerCount;
view.image = textureArray.image;
err = vkCreateImageView(device, &view, nullptr, &textureArray.view);
assert(!err);
// Cleanup
for (auto& layer : arrayLayer)
{
vkDestroyImage(device, layer.image, nullptr);
vkFreeMemory(device, layer.memory, nullptr);
}
}
int sample_main(int argc, char *argv[]) {
VkResult U_ASSERT_ONLY res;
bool U_ASSERT_ONLY pass;
struct sample_info info = {};
char sample_title[] = "Texture Initialization Sample";
init_global_layer_properties(info);
init_instance_extension_names(info);
init_device_extension_names(info);
init_instance(info, sample_title);
init_enumerate_device(info);
init_connection(info);
init_window_size(info, 50, 50);
init_window(info);
init_swapchain_extension(info);
init_device(info);
init_command_pool(info);
init_command_buffer(info);
execute_begin_command_buffer(info);
init_device_queue(info);
/* VULKAN_KEY_START */
/*
* Set up textures:
* - Create a linear tiled image
* - Map it and write the texture data into it
* - If linear images cannot be used as textures, create an optimally
* tiled image and blit from the linearly tiled image to the optimally
* tiled image
* -
* -
* -
*/
struct texture_object texObj;
std::string filename = get_base_data_dir();
filename.append("lunarg.ppm");
if (!read_ppm(filename.c_str(), texObj.tex_width, texObj.tex_height, 0,
NULL)) {
std::cout << "Could not read texture file lunarg.ppm\n";
exit(-1);
}
VkFormatProperties formatProps;
vkGetPhysicalDeviceFormatProperties(info.gpus[0], VK_FORMAT_R8G8B8A8_UNORM,
&formatProps);
/* See if we can use a linear tiled image for a texture, if not, we will
* need a staging image for the texture data */
bool needStaging = (!(formatProps.linearTilingFeatures &
VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT))
? true
: false;
VkImageCreateInfo image_create_info = {};
image_create_info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
image_create_info.pNext = NULL;
image_create_info.imageType = VK_IMAGE_TYPE_2D;
image_create_info.format = VK_FORMAT_R8G8B8A8_UNORM;
image_create_info.extent.width = texObj.tex_width;
image_create_info.extent.height = texObj.tex_height;
image_create_info.extent.depth = 1;
image_create_info.mipLevels = 1;
image_create_info.arrayLayers = 1;
image_create_info.samples = NUM_SAMPLES;
image_create_info.tiling = VK_IMAGE_TILING_LINEAR;
image_create_info.initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED;
image_create_info.usage = needStaging ? VK_IMAGE_USAGE_TRANSFER_SRC_BIT
: VK_IMAGE_USAGE_SAMPLED_BIT;
image_create_info.queueFamilyIndexCount = 0;
image_create_info.pQueueFamilyIndices = NULL;
image_create_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
image_create_info.flags = 0;
VkMemoryAllocateInfo mem_alloc = {};
mem_alloc.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
mem_alloc.pNext = NULL;
mem_alloc.allocationSize = 0;
mem_alloc.memoryTypeIndex = 0;
VkImage mappableImage;
VkDeviceMemory mappableMemory;
VkMemoryRequirements mem_reqs;
/* Create a mappable image. It will be the texture if linear images are ok
* to be textures or it will be the staging image if they are not.
*/
res = vkCreateImage(info.device, &image_create_info, NULL, &mappableImage);
assert(res == VK_SUCCESS);
vkGetImageMemoryRequirements(info.device, mappableImage, &mem_reqs);
mem_alloc.allocationSize = mem_reqs.size;
/* Find the memory type that is host mappable */
pass = memory_type_from_properties(info, mem_reqs.memoryTypeBits,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
&mem_alloc.memoryTypeIndex);
assert(pass);
/* allocate memory */
res = vkAllocateMemory(info.device, &mem_alloc, NULL, &(mappableMemory));
assert(res == VK_SUCCESS);
/* bind memory */
res = vkBindImageMemory(info.device, mappableImage, mappableMemory, 0);
assert(res == VK_SUCCESS);
VkImageSubresource subres = {};
subres.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
subres.mipLevel = 0;
subres.arrayLayer = 0;
VkSubresourceLayout layout;
void *data;
/* Get the subresource layout so we know what the row pitch is */
vkGetImageSubresourceLayout(info.device, mappableImage, &subres, &layout);
res = vkMapMemory(info.device, mappableMemory, 0, mem_reqs.size, 0, &data);
assert(res == VK_SUCCESS);
/* Read the ppm file into the mappable image's memory */
if (!read_ppm(filename.c_str(), texObj.tex_width, texObj.tex_height,
layout.rowPitch, (unsigned char *)data)) {
std::cout << "Could not load texture file lunarg.ppm\n";
exit(-1);
}
vkUnmapMemory(info.device, mappableMemory);
if (!needStaging) {
/* If we can use the linear tiled image as a texture, just do it */
texObj.image = mappableImage;
texObj.mem = mappableMemory;
texObj.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
set_image_layout(info, texObj.image, VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_PREINITIALIZED, texObj.imageLayout);
} else {
/* The mappable image cannot be our texture, so create an optimally
* tiled image and blit to it */
image_create_info.tiling = VK_IMAGE_TILING_OPTIMAL;
image_create_info.usage =
VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
image_create_info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
res =
vkCreateImage(info.device, &image_create_info, NULL, &texObj.image);
assert(res == VK_SUCCESS);
vkGetImageMemoryRequirements(info.device, texObj.image, &mem_reqs);
mem_alloc.allocationSize = mem_reqs.size;
/* Find memory type - don't specify any mapping requirements */
pass = memory_type_from_properties(info, mem_reqs.memoryTypeBits, 0,
&mem_alloc.memoryTypeIndex);
assert(pass);
/* allocate memory */
res = vkAllocateMemory(info.device, &mem_alloc, NULL, &texObj.mem);
assert(res == VK_SUCCESS);
/* bind memory */
res = vkBindImageMemory(info.device, texObj.image, texObj.mem, 0);
assert(res == VK_SUCCESS);
/* Since we're going to blit from the mappable image, set its layout to
* SOURCE_OPTIMAL */
/* Side effect is that this will create info.cmd */
set_image_layout(info, mappableImage, VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_PREINITIALIZED,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
/* Since we're going to blit to the texture image, set its layout to
* DESTINATION_OPTIMAL */
set_image_layout(info, texObj.image, VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
VkImageCopy copy_region;
copy_region.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
copy_region.srcSubresource.mipLevel = 0;
copy_region.srcSubresource.baseArrayLayer = 0;
copy_region.srcSubresource.layerCount = 1;
copy_region.srcOffset.x = 0;
copy_region.srcOffset.y = 0;
copy_region.srcOffset.z = 0;
copy_region.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
copy_region.dstSubresource.mipLevel = 0;
copy_region.dstSubresource.baseArrayLayer = 0;
copy_region.dstSubresource.layerCount = 1;
copy_region.dstOffset.x = 0;
copy_region.dstOffset.y = 0;
copy_region.dstOffset.z = 0;
copy_region.extent.width = texObj.tex_width;
copy_region.extent.height = texObj.tex_height;
copy_region.extent.depth = 1;
/* Put the copy command into the command buffer */
vkCmdCopyImage(info.cmd, mappableImage,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, texObj.image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ©_region);
/* Set the layout for the texture image from DESTINATION_OPTIMAL to
* SHADER_READ_ONLY */
texObj.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
set_image_layout(info, texObj.image, VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
texObj.imageLayout);
}
execute_end_command_buffer(info);
execute_queue_command_buffer(info);
VkSamplerCreateInfo samplerCreateInfo = {};
samplerCreateInfo.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
samplerCreateInfo.magFilter = VK_FILTER_NEAREST;
samplerCreateInfo.minFilter = VK_FILTER_NEAREST;
samplerCreateInfo.mipmapMode = VK_SAMPLER_MIPMAP_MODE_NEAREST;
samplerCreateInfo.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
samplerCreateInfo.addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
samplerCreateInfo.addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
samplerCreateInfo.mipLodBias = 0.0;
samplerCreateInfo.anisotropyEnable = VK_FALSE,
samplerCreateInfo.maxAnisotropy = 0;
samplerCreateInfo.compareEnable = VK_FALSE;
samplerCreateInfo.compareOp = VK_COMPARE_OP_NEVER;
samplerCreateInfo.minLod = 0.0;
samplerCreateInfo.maxLod = 0.0;
samplerCreateInfo.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
/* create sampler */
res =
vkCreateSampler(info.device, &samplerCreateInfo, NULL, &texObj.sampler);
assert(res == VK_SUCCESS);
VkImageViewCreateInfo view_info = {};
view_info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
view_info.pNext = NULL;
view_info.image = VK_NULL_HANDLE;
view_info.viewType = VK_IMAGE_VIEW_TYPE_2D;
view_info.format = VK_FORMAT_R8G8B8A8_UNORM;
view_info.components.r = VK_COMPONENT_SWIZZLE_R;
view_info.components.g = VK_COMPONENT_SWIZZLE_G;
view_info.components.b = VK_COMPONENT_SWIZZLE_B;
view_info.components.a = VK_COMPONENT_SWIZZLE_A;
view_info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
view_info.subresourceRange.baseMipLevel = 0;
view_info.subresourceRange.levelCount = 1;
view_info.subresourceRange.baseArrayLayer = 0;
view_info.subresourceRange.layerCount = 1;
/* create image view */
view_info.image = texObj.image;
res = vkCreateImageView(info.device, &view_info, NULL, &texObj.view);
assert(res == VK_SUCCESS);
info.textures.push_back(texObj);
/* VULKAN_KEY_END */
/* Clean Up */
vkDestroySampler(info.device, texObj.sampler, NULL);
vkDestroyImageView(info.device, texObj.view, NULL);
vkDestroyImage(info.device, texObj.image, NULL);
vkFreeMemory(info.device, texObj.mem, NULL);
if (needStaging) {
/* Release the resources for the staging image */
vkFreeMemory(info.device, mappableMemory, NULL);
vkDestroyImage(info.device, mappableImage, NULL);
}
destroy_command_buffer(info);
destroy_command_pool(info);
destroy_device(info);
destroy_window(info);
destroy_instance(info);
return 0;
}
void VulkanTexture::copyImage(VulkanTransferBuffer* cb, VulkanImage* srcImage, VulkanImage* dstImage,
VkImageLayout srcFinalLayout, VkImageLayout dstFinalLayout)
{
UINT32 numFaces = mProperties.getNumFaces();
UINT32 numMipmaps = mProperties.getNumMipmaps() + 1;
UINT32 mipWidth = mProperties.getWidth();
UINT32 mipHeight = mProperties.getHeight();
UINT32 mipDepth = mProperties.getDepth();
VkImageCopy* imageRegions = bs_stack_alloc<VkImageCopy>(numMipmaps);
for(UINT32 i = 0; i < numMipmaps; i++)
{
VkImageCopy& imageRegion = imageRegions[i];
imageRegion.srcOffset = { 0, 0, 0 };
imageRegion.dstOffset = { 0, 0, 0 };
imageRegion.extent = { mipWidth, mipHeight, mipDepth };
imageRegion.srcSubresource.baseArrayLayer = 0;
imageRegion.srcSubresource.layerCount = numFaces;
imageRegion.srcSubresource.mipLevel = i;
imageRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imageRegion.dstSubresource.baseArrayLayer = 0;
imageRegion.dstSubresource.layerCount = numFaces;
imageRegion.dstSubresource.mipLevel = i;
imageRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
if (mipWidth != 1) mipWidth /= 2;
if (mipHeight != 1) mipHeight /= 2;
if (mipDepth != 1) mipDepth /= 2;
}
VkImageSubresourceRange range;
range.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
range.baseArrayLayer = 0;
range.layerCount = numFaces;
range.baseMipLevel = 0;
range.levelCount = numMipmaps;
VkImageLayout transferSrcLayout, transferDstLayout;
if (mDirectlyMappable)
{
transferSrcLayout = VK_IMAGE_LAYOUT_GENERAL;
transferDstLayout = VK_IMAGE_LAYOUT_GENERAL;
}
else
{
transferSrcLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
transferDstLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
}
// Transfer textures to a valid layout
cb->setLayout(srcImage, range, VK_ACCESS_TRANSFER_READ_BIT, transferSrcLayout);
cb->setLayout(dstImage, range, VK_ACCESS_TRANSFER_WRITE_BIT, transferDstLayout);
vkCmdCopyImage(cb->getCB()->getHandle(), srcImage->getHandle(), VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
dstImage->getHandle(), VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, numMipmaps, imageRegions);
// Transfer back to final layouts
VkAccessFlags srcAccessMask = srcImage->getAccessFlags(srcFinalLayout);
cb->setLayout(srcImage->getHandle(), VK_ACCESS_TRANSFER_READ_BIT, srcAccessMask,
transferSrcLayout, srcFinalLayout, range);
VkAccessFlags dstAccessMask = dstImage->getAccessFlags(dstFinalLayout);
cb->setLayout(dstImage->getHandle(), VK_ACCESS_TRANSFER_WRITE_BIT, dstAccessMask,
transferDstLayout, dstFinalLayout, range);
cb->getCB()->registerResource(srcImage, range, VulkanUseFlag::Read, ResourceUsage::Transfer);
cb->getCB()->registerResource(dstImage, range, VulkanUseFlag::Write, ResourceUsage::Transfer);
bs_stack_free(imageRegions);
}
void Image::loadTexture(const char *path) {
PixelBuffer<uint8_t> pb;
if(!pb.load(path))
throw "Failed to load texture";
VkFormatProperties &props = formatProperties[VK_FORMAT_R8G8B8A8_UNORM];
bool direct = (props.linearTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) != 0;
VkImageSubresource subres = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 0 };
VkSubresourceLayout sublayout;
createTexture(VK_FORMAT_R8G8B8A8_UNORM, VK_IMAGE_TILING_LINEAR, direct ? VK_IMAGE_USAGE_SAMPLED_BIT : VK_IMAGE_USAGE_TRANSFER_SRC_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, pb.getWidth(), pb.getHeight());
vkGetImageSubresourceLayout(vk, image, &subres, &sublayout);
uint8_t *data = NULL;
OBJ_CHECK(vkMapMemory(vk, mem, 0, allocInfo.allocationSize, 0, (void **)&data));
uint32_t x = 0, y = 0;
uint8_t temp[4] = {0, 0, 0, 255};
for (y = 0; y < pb.getHeight(); y++) {
uint32_t *dest = (uint32_t *)data;
uint8_t *src = pb(0, y);
switch (pb.getChannels()) {
case 4:
memcpy(dest, src, pb.getWidth() * 4);
break;
case 3:
for (x = 0; x < pb.getWidth(); x++) {
temp[0] = *src++; // R
temp[1] = *src++; // G
temp[2] = *src++; // B
*dest++ = *(uint32_t *)temp;
}
break;
case 2:
for (x = 0; x < pb.getWidth(); x++) {
temp[0] = *src++; // R
temp[1] = *src++; // G
*dest++ = *(uint32_t *)temp;
}
break;
case 1:
for (x = 0; x < pb.getWidth(); x++) {
temp[0] = *src++; // R
*dest++ = *(uint32_t *)temp;
}
break;
}
data += sublayout.rowPitch;
}
vkUnmapMemory(vk, mem);
if (direct) {
setLayout(VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_PREINITIALIZED, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
} else {
// Create a staging image visible to the host to load the texture into with linear tiling
Image staging;
Math::Swap(staging.image, image);
Math::Swap(mem, staging.mem);
Math::Swap(layout, staging.layout);
Math::Swap(imageInfo, staging.imageInfo);
Math::Swap(allocInfo, staging.allocInfo);
staging.setLayout(VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_PREINITIALIZED, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
// Now create the actual device-local image and copy into it from the staging image
createTexture(VK_FORMAT_R8G8B8A8_UNORM, VK_IMAGE_TILING_OPTIMAL, (VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT), VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, pb.getWidth(), pb.getHeight());
setLayout(VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_PREINITIALIZED, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
ImageCopy copy_region(pb.getWidth(), pb.getHeight());
vkCmdCopyImage(vk, staging.image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ©_region);
setLayout(VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
vk.flush(); // Wait for the copy command to complete before the staging texture goes out of scope!
}
ImageViewCreateInfo viewInfo(image, imageInfo.format, VK_IMAGE_ASPECT_COLOR_BIT);
OBJ_CHECK(vkCreateImageView(vk, &viewInfo, NULL, &view));
}
void loadTexture(const char* filename, VkFormat format, bool forceLinearTiling)
{
VkFormatProperties formatProperties;
VkResult err;
gli::textureCube texCube(gli::load(filename));
assert(!texCube.empty());
cubeMap.width = texCube[0].dimensions().x;
cubeMap.height = texCube[0].dimensions().y;
// Get device properites for the requested texture format
vkGetPhysicalDeviceFormatProperties(physicalDevice, format, &formatProperties);
VkImageCreateInfo imageCreateInfo = vkTools::initializers::imageCreateInfo();
imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
imageCreateInfo.format = format;
imageCreateInfo.extent = { cubeMap.width, cubeMap.height, 1 };
imageCreateInfo.mipLevels = 1;
imageCreateInfo.arrayLayers = 1;
imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
imageCreateInfo.tiling = VK_IMAGE_TILING_LINEAR;
imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
imageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED;
imageCreateInfo.flags = 0;
VkMemoryAllocateInfo memAllocInfo = vkTools::initializers::memoryAllocateInfo();
VkMemoryRequirements memReqs;
struct {
VkImage image;
VkDeviceMemory memory;
} cubeFace[6];
// Allocate command buffer for image copies and layouts
VkCommandBuffer cmdBuffer;
VkCommandBufferAllocateInfo cmdBufAlllocatInfo =
vkTools::initializers::commandBufferAllocateInfo(
cmdPool,
VK_COMMAND_BUFFER_LEVEL_PRIMARY,
1);
err = vkAllocateCommandBuffers(device, &cmdBufAlllocatInfo, &cmdBuffer);
assert(!err);
VkCommandBufferBeginInfo cmdBufInfo =
vkTools::initializers::commandBufferBeginInfo();
err = vkBeginCommandBuffer(cmdBuffer, &cmdBufInfo);
assert(!err);
// Load separate cube map faces into linear tiled textures
for (uint32_t face = 0; face < 6; ++face)
{
err = vkCreateImage(device, &imageCreateInfo, nullptr, &cubeFace[face].image);
assert(!err);
vkGetImageMemoryRequirements(device, cubeFace[face].image, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAllocInfo.memoryTypeIndex);
err = vkAllocateMemory(device, &memAllocInfo, nullptr, &cubeFace[face].memory);
assert(!err);
err = vkBindImageMemory(device, cubeFace[face].image, cubeFace[face].memory, 0);
assert(!err);
VkImageSubresource subRes = {};
subRes.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
VkSubresourceLayout subResLayout;
void *data;
vkGetImageSubresourceLayout(device, cubeFace[face].image, &subRes, &subResLayout);
assert(!err);
err = vkMapMemory(device, cubeFace[face].memory, 0, memReqs.size, 0, &data);
assert(!err);
memcpy(data, texCube[face][subRes.mipLevel].data(), texCube[face][subRes.mipLevel].size());
vkUnmapMemory(device, cubeFace[face].memory);
// Image barrier for linear image (base)
// Linear image will be used as a source for the copy
vkTools::setImageLayout(
cmdBuffer,
cubeFace[face].image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_PREINITIALIZED,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
}
// Transfer cube map faces to optimal tiling
// Setup texture as blit target with optimal tiling
imageCreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
imageCreateInfo.flags = VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT;
imageCreateInfo.arrayLayers = 6;
err = vkCreateImage(device, &imageCreateInfo, nullptr, &cubeMap.image);
assert(!err);
vkGetImageMemoryRequirements(device, cubeMap.image, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &memAllocInfo.memoryTypeIndex);
err = vkAllocateMemory(device, &memAllocInfo, nullptr, &cubeMap.deviceMemory);
assert(!err);
err = vkBindImageMemory(device, cubeMap.image, cubeMap.deviceMemory, 0);
assert(!err);
// Image barrier for optimal image (target)
// Optimal image will be used as destination for the copy
// Set initial layout for all array layers of the optimal (target) tiled texture
VkImageSubresourceRange subresourceRange = {};
subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
subresourceRange.baseMipLevel = 0;
subresourceRange.levelCount = 1;
subresourceRange.layerCount = 6;
vkTools::setImageLayout(
cmdBuffer,
cubeMap.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_PREINITIALIZED,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
subresourceRange);
// Copy cube map faces one by one
for (uint32_t face = 0; face < 6; ++face)
{
// Copy region for image blit
VkImageCopy copyRegion = {};
copyRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
copyRegion.srcSubresource.baseArrayLayer = 0;
copyRegion.srcSubresource.mipLevel = 0;
copyRegion.srcSubresource.layerCount = 1;
copyRegion.srcOffset = { 0, 0, 0 };
copyRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
copyRegion.dstSubresource.baseArrayLayer = face;
copyRegion.dstSubresource.mipLevel = 0;
copyRegion.dstSubresource.layerCount = 1;
copyRegion.dstOffset = { 0, 0, 0 };
copyRegion.extent.width = cubeMap.width;
copyRegion.extent.height = cubeMap.height;
copyRegion.extent.depth = 1;
// Put image copy into command buffer
vkCmdCopyImage(
cmdBuffer,
cubeFace[face].image,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
cubeMap.image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, ©Region);
}
// Change texture image layout to shader read after all faces have been copied
cubeMap.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
vkTools::setImageLayout(
cmdBuffer,
cubeMap.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
cubeMap.imageLayout,
subresourceRange);
err = vkEndCommandBuffer(cmdBuffer);
assert(!err);
VkFence nullFence = { VK_NULL_HANDLE };
// Submit command buffer to graphis queue
VkSubmitInfo submitInfo = vkTools::initializers::submitInfo();
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &cmdBuffer;
err = vkQueueSubmit(queue, 1, &submitInfo, nullFence);
assert(!err);
err = vkQueueWaitIdle(queue);
assert(!err);
// Create sampler
VkSamplerCreateInfo sampler = vkTools::initializers::samplerCreateInfo();
sampler.magFilter = VK_FILTER_LINEAR;
sampler.minFilter = VK_FILTER_LINEAR;
sampler.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
sampler.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
sampler.addressModeV = sampler.addressModeU;
sampler.addressModeW = sampler.addressModeU;
sampler.mipLodBias = 0.0f;
sampler.maxAnisotropy = 8;
sampler.compareOp = VK_COMPARE_OP_NEVER;
sampler.minLod = 0.0f;
sampler.maxLod = 0.0f;
sampler.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
err = vkCreateSampler(device, &sampler, nullptr, &cubeMap.sampler);
assert(!err);
// Create image view
VkImageViewCreateInfo view = vkTools::initializers::imageViewCreateInfo();
view.image = VK_NULL_HANDLE;
view.viewType = VK_IMAGE_VIEW_TYPE_CUBE;
view.format = format;
view.components = { VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A };
view.subresourceRange = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 };
view.subresourceRange.layerCount = 6;
view.image = cubeMap.image;
err = vkCreateImageView(device, &view, nullptr, &cubeMap.view);
assert(!err);
// Cleanup
for (auto& face : cubeFace)
{
vkDestroyImage(device, face.image, nullptr);
vkFreeMemory(device, face.memory, nullptr);
}
}
VkBool32 Example::buildTexture(const vkts::ICommandBuffersSP& cmdBuffer, vkts::IImageSP& stageImage, vkts::IDeviceMemorySP& stageDeviceMemoryImage)
{
auto imageData = vkts::imageDataLoad(VKTS_TEXTURE_NAME);
if (!imageData.get())
{
vkts::logPrint(VKTS_LOG_ERROR, "Example: Could not load image data: '%s'", VKTS_TEXTURE_NAME);
return VK_FALSE;
}
//
VkFormatProperties formatProperties;
vkGetPhysicalDeviceFormatProperties(physicalDevice->getPhysicalDevice(), imageData->getFormat(), &formatProperties);
VkImageTiling imageTiling = VK_IMAGE_TILING_LINEAR;
VkMemoryPropertyFlagBits memoryPropertyFlagBits = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT;
VkImageLayout initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED;
VkAccessFlags accessMask = VK_ACCESS_HOST_WRITE_BIT;
// Check, how to upload image data.
if (!(formatProperties.linearTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT))
{
if (!(formatProperties.optimalTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT))
{
vkts::logPrint(VKTS_LOG_ERROR, "Example: Format not supported.");
return VK_FALSE;
}
imageTiling = VK_IMAGE_TILING_OPTIMAL;
memoryPropertyFlagBits = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
initialLayout = VK_IMAGE_LAYOUT_GENERAL;
accessMask = 0;
}
//
if (!createTexture(image, deviceMemoryImage, imageData, imageTiling, VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT, initialLayout, memoryPropertyFlagBits, accessMask))
{
vkts::logPrint(VKTS_LOG_ERROR, "Example: Could not create image.");
return VK_FALSE;
}
//
VkImageMemoryBarrier imageMemoryBarrier;
memset(&imageMemoryBarrier, 0, sizeof(VkImageMemoryBarrier));
imageMemoryBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
imageMemoryBarrier.srcAccessMask = 0; // Defined later.
imageMemoryBarrier.dstAccessMask = 0; // Defined later.
imageMemoryBarrier.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;// Defined later.
imageMemoryBarrier.newLayout = VK_IMAGE_LAYOUT_UNDEFINED;// Defined later.
imageMemoryBarrier.srcQueueFamilyIndex = 0;
imageMemoryBarrier.dstQueueFamilyIndex = 0;
imageMemoryBarrier.image = VK_NULL_HANDLE; // Defined later.
imageMemoryBarrier.subresourceRange = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1};
//
imageMemoryBarrier.dstAccessMask = VK_ACCESS_INPUT_ATTACHMENT_READ_BIT | VK_ACCESS_SHADER_READ_BIT;
imageMemoryBarrier.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
imageMemoryBarrier.image = image->getImage();
cmdBuffer->cmdPipelineBarrier(VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, 0, 0, nullptr, 0, nullptr, 1, &imageMemoryBarrier);
//
// If the image is only accessible by the device ...
if (memoryPropertyFlagBits == VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT)
{
// ... create texture with host visibility. This texture contains the pixel data.
if (!createTexture(stageImage, stageDeviceMemoryImage, imageData, VK_IMAGE_TILING_LINEAR, VK_IMAGE_USAGE_TRANSFER_SRC_BIT, VK_IMAGE_LAYOUT_PREINITIALIZED, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, VK_ACCESS_HOST_WRITE_BIT))
{
vkts::logPrint(VKTS_LOG_ERROR, "Example: Could not create image.");
return VK_FALSE;
}
// Prepare source image layout for copy.
imageMemoryBarrier.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
imageMemoryBarrier.newLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
imageMemoryBarrier.image = stageImage->getImage();
cmdBuffer->cmdPipelineBarrier(VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, 0, 0, nullptr, 0, nullptr, 1, &imageMemoryBarrier);
// Prepare target image layout for copy.
imageMemoryBarrier.srcAccessMask = VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_INPUT_ATTACHMENT_READ_BIT;
imageMemoryBarrier.dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
imageMemoryBarrier.oldLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
imageMemoryBarrier.newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
imageMemoryBarrier.image = image->getImage();
cmdBuffer->cmdPipelineBarrier(VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, 0, 0, nullptr, 0, nullptr, 1, &imageMemoryBarrier);
// Copy image data by command.
VkImageCopy imageCopy;
imageCopy.srcSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1};
imageCopy.srcOffset = { 0, 0, 0};
imageCopy.dstSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1};
imageCopy.dstOffset = { 0, 0, 0};
imageCopy.extent = { imageData->getWidth(), imageData->getHeight(), imageData->getDepth()};
vkCmdCopyImage(cmdBuffer->getCommandBuffer(), stageImage->getImage(), VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, image->getImage(), VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &imageCopy);
// Switch back to original layout.
imageMemoryBarrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
imageMemoryBarrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_INPUT_ATTACHMENT_READ_BIT;
imageMemoryBarrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
imageMemoryBarrier.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
cmdBuffer->cmdPipelineBarrier(VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, 0, 0, nullptr, 0, nullptr, 1, &imageMemoryBarrier);
}
//
sampler = vkts::samplerCreate(device->getDevice(), 0, VK_FILTER_NEAREST, VK_FILTER_NEAREST, VK_SAMPLER_MIPMAP_MODE_NEAREST, VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE, VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE, VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE, 0.0f, VK_FALSE, 1.0f, VK_FALSE, VK_COMPARE_OP_NEVER, 0.0f, 0.0f, VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE, VK_FALSE);
if (!sampler.get())
{
vkts::logPrint(VKTS_LOG_ERROR, "Example: Could not create sampler.");
return VK_FALSE;
}
imageView = vkts::imageViewCreate(device->getDevice(), 0, image->getImage(), VK_IMAGE_VIEW_TYPE_2D, image->getFormat(), { VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A }, { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 });
if (!imageView.get())
{
vkts::logPrint(VKTS_LOG_ERROR, "Example: Could not create image view.");
return VK_FALSE;
}
return VK_TRUE;
}
void loadTexture(const char* fileName, VkFormat format, bool forceLinearTiling)
{
VkFormatProperties formatProperties;
VkResult err;
AAsset* asset = AAssetManager_open(app->activity->assetManager, fileName, AASSET_MODE_STREAMING);
assert(asset);
size_t size = AAsset_getLength(asset);
assert(size > 0);
void *textureData = malloc(size);
AAsset_read(asset, textureData, size);
AAsset_close(asset);
gli::texture2D tex2D(gli::load((const char*)textureData, size));
assert(!tex2D.empty());
texture.width = tex2D[0].dimensions().x;
texture.height = tex2D[0].dimensions().y;
texture.mipLevels = tex2D.levels();
// Get device properites for the requested texture format
vkGetPhysicalDeviceFormatProperties(physicalDevice, format, &formatProperties);
// Only use linear tiling if requested (and supported by the device)
// Support for linear tiling is mostly limited, so prefer to use
// optimal tiling instead
// On most implementations linear tiling will only support a very
// limited amount of formats and features (mip maps, cubemaps, arrays, etc.)
VkBool32 useStaging = true;
// Only use linear tiling if forced
if (forceLinearTiling)
{
// Don't use linear if format is not supported for (linear) shader sampling
useStaging = !(formatProperties.linearTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT);
}
VkImageCreateInfo imageCreateInfo = vkTools::initializers::imageCreateInfo();
imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
imageCreateInfo.format = format;
imageCreateInfo.mipLevels = 1;
imageCreateInfo.arrayLayers = 1;
imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
imageCreateInfo.tiling = VK_IMAGE_TILING_LINEAR;
imageCreateInfo.usage = (useStaging) ? VK_IMAGE_USAGE_TRANSFER_SRC_BIT : VK_IMAGE_USAGE_SAMPLED_BIT;
imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
imageCreateInfo.flags = 0;
imageCreateInfo.extent = { texture.width, texture.height, 1 };
VkMemoryAllocateInfo memAllocInfo = vkTools::initializers::memoryAllocateInfo();
VkMemoryRequirements memReqs;
startSetupCommandBuffer();
if (useStaging)
{
// Load all available mip levels into linear textures
// and copy to optimal tiling target
struct MipLevel {
VkImage image;
VkDeviceMemory memory;
};
std::vector<MipLevel> mipLevels;
mipLevels.resize(texture.mipLevels);
// Copy mip levels
for (uint32_t level = 0; level < texture.mipLevels; ++level)
{
imageCreateInfo.extent.width = tex2D[level].dimensions().x;
imageCreateInfo.extent.height = tex2D[level].dimensions().y;
imageCreateInfo.extent.depth = 1;
err = vkCreateImage(device, &imageCreateInfo, nullptr, &mipLevels[level].image);
assert(!err);
vkGetImageMemoryRequirements(device, mipLevels[level].image, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAllocInfo.memoryTypeIndex);
err = vkAllocateMemory(device, &memAllocInfo, nullptr, &mipLevels[level].memory);
assert(!err);
err = vkBindImageMemory(device, mipLevels[level].image, mipLevels[level].memory, 0);
assert(!err);
VkImageSubresource subRes = {};
subRes.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
VkSubresourceLayout subResLayout;
void *data;
vkGetImageSubresourceLayout(device, mipLevels[level].image, &subRes, &subResLayout);
assert(!err);
err = vkMapMemory(device, mipLevels[level].memory, 0, memReqs.size, 0, &data);
assert(!err);
size_t levelSize = tex2D[level].size();
memcpy(data, tex2D[level].data(), levelSize);
vkUnmapMemory(device, mipLevels[level].memory);
LOGW("setImageLayout %d", 1);
// Image barrier for linear image (base)
// Linear image will be used as a source for the copy
vkTools::setImageLayout(
setupCmdBuffer,
mipLevels[level].image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
}
// Setup texture as blit target with optimal tiling
imageCreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
imageCreateInfo.mipLevels = texture.mipLevels;
imageCreateInfo.extent = { texture.width, texture.height, 1 };
err = vkCreateImage(device, &imageCreateInfo, nullptr, &texture.image);
assert(!err);
vkGetImageMemoryRequirements(device, texture.image, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &memAllocInfo.memoryTypeIndex);
err = vkAllocateMemory(device, &memAllocInfo, nullptr, &texture.deviceMemory);
assert(!err);
err = vkBindImageMemory(device, texture.image, texture.deviceMemory, 0);
assert(!err);
// Image barrier for optimal image (target)
// Optimal image will be used as destination for the copy
vkTools::setImageLayout(
setupCmdBuffer,
texture.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
// Copy mip levels one by one
for (uint32_t level = 0; level < texture.mipLevels; ++level)
{
// Copy region for image blit
VkImageCopy copyRegion = {};
copyRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
copyRegion.srcSubresource.baseArrayLayer = 0;
copyRegion.srcSubresource.mipLevel = 0;
copyRegion.srcSubresource.layerCount = 1;
copyRegion.srcOffset = { 0, 0, 0 };
copyRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
copyRegion.dstSubresource.baseArrayLayer = 0;
// Set mip level to copy the linear image to
copyRegion.dstSubresource.mipLevel = level;
copyRegion.dstSubresource.layerCount = 1;
copyRegion.dstOffset = { 0, 0, 0 };
copyRegion.extent.width = tex2D[level].dimensions().x;
copyRegion.extent.height = tex2D[level].dimensions().y;
copyRegion.extent.depth = 1;
// Put image copy into command buffer
vkCmdCopyImage(
setupCmdBuffer,
mipLevels[level].image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
texture.image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, ©Region);
// Change texture image layout to shader read after the copy
texture.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
vkTools::setImageLayout(
setupCmdBuffer,
texture.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
texture.imageLayout);
}
// Clean up linear images
// No longer required after mip levels
// have been transformed over to optimal tiling
for (auto& level : mipLevels)
{
vkDestroyImage(device, level.image, nullptr);
vkFreeMemory(device, level.memory, nullptr);
}
}
else
{
// Prefer using optimal tiling, as linear tiling
// may support only a small set of features
// depending on implementation (e.g. no mip maps, only one layer, etc.)
VkImage mappableImage;
VkDeviceMemory mappableMemory;
// Load mip map level 0 to linear tiling image
err = vkCreateImage(device, &imageCreateInfo, nullptr, &mappableImage);
assert(!err);
// Get memory requirements for this image
// like size and alignment
vkGetImageMemoryRequirements(device, mappableImage, &memReqs);
// Set memory allocation size to required memory size
memAllocInfo.allocationSize = memReqs.size;
// Get memory type that can be mapped to host memory
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAllocInfo.memoryTypeIndex);
// Allocate host memory
err = vkAllocateMemory(device, &memAllocInfo, nullptr, &mappableMemory);
assert(!err);
// Bind allocated image for use
err = vkBindImageMemory(device, mappableImage, mappableMemory, 0);
assert(!err);
// Get sub resource layout
// Mip map count, array layer, etc.
VkImageSubresource subRes = {};
subRes.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
VkSubresourceLayout subResLayout;
void *data;
// Get sub resources layout
// Includes row pitch, size offsets, etc.
vkGetImageSubresourceLayout(device, mappableImage, &subRes, &subResLayout);
assert(!err);
// Map image memory
err = vkMapMemory(device, mappableMemory, 0, memReqs.size, 0, &data);
assert(!err);
// Copy image data into memory
memcpy(data, tex2D[subRes.mipLevel].data(), tex2D[subRes.mipLevel].size());
vkUnmapMemory(device, mappableMemory);
// Linear tiled images don't need to be staged
// and can be directly used as textures
texture.image = mappableImage;
texture.deviceMemory = mappableMemory;
texture.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
// Setup image memory barrier
vkTools::setImageLayout(
setupCmdBuffer,
texture.image,
VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_UNDEFINED,
texture.imageLayout);
}
flushSetupCommandBuffer();
// Create sampler
// In Vulkan textures are accessed by samplers
// This separates all the sampling information from the
// texture data
// This means you could have multiple sampler objects
// for the same texture with different settings
// Similar to the samplers available with OpenGL 3.3
VkSamplerCreateInfo sampler = vkTools::initializers::samplerCreateInfo();
sampler.magFilter = VK_FILTER_LINEAR;
sampler.minFilter = VK_FILTER_LINEAR;
sampler.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
sampler.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
sampler.addressModeV = sampler.addressModeU;
sampler.addressModeW = sampler.addressModeU;
sampler.mipLodBias = 0.0f;
sampler.compareOp = VK_COMPARE_OP_NEVER;
sampler.minLod = 0.0f;
// Max level-of-detail should match mip level count
sampler.maxLod = (useStaging) ? (float)texture.mipLevels : 0.0f;
// Enable anisotropic filtering
sampler.maxAnisotropy = 8;
sampler.anisotropyEnable = VK_TRUE;
sampler.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
err = vkCreateSampler(device, &sampler, nullptr, &texture.sampler);
assert(!err);
// Create image view
// Textures are not directly accessed by the shaders and
// are abstracted by image views containing additional
// information and sub resource ranges
VkImageViewCreateInfo view = vkTools::initializers::imageViewCreateInfo();
view.image = VK_NULL_HANDLE;
view.viewType = VK_IMAGE_VIEW_TYPE_2D;
view.format = format;
view.components = { VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A };
view.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
view.subresourceRange.baseMipLevel = 0;
view.subresourceRange.baseArrayLayer = 0;
view.subresourceRange.layerCount = 1;
// Linear tiling usually won't support mip maps
// Only set mip map count if optimal tiling is used
view.subresourceRange.levelCount = (useStaging) ? texture.mipLevels : 1;
view.image = texture.image;
err = vkCreateImageView(device, &view, nullptr, &texture.view);
assert(!err);
}
vkUnmapMemory(device, uniformDataOffscreenVS.memory);
}
// Copy offscreen depth frame buffer contents to the depth texture
void updateTexture()
{
// Make sure color writes to the framebuffer are finished before using it as transfer source
vkTools::setImageLayout(
offScreenCmdBuffer,
offScreenFrameBuf.depth.image,
VK_IMAGE_ASPECT_DEPTH_BIT,
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
// Transform texture target to transfer source
vkTools::setImageLayout(
offScreenCmdBuffer,
offScreenFrameBuf.textureTarget.image,
VK_IMAGE_ASPECT_DEPTH_BIT,
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
VkImageCopy imgCopy = {};
imgCopy.srcSubresource.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT;
imgCopy.srcSubresource.mipLevel = 0;
imgCopy.srcSubresource.baseArrayLayer = 0;
imgCopy.srcSubresource.layerCount = 1;
imgCopy.srcOffset = { 0, 0, 0 };
imgCopy.dstSubresource.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT;
imgCopy.dstSubresource.mipLevel = 0;
imgCopy.dstSubresource.baseArrayLayer = 0;
imgCopy.dstSubresource.layerCount = 1;
imgCopy.dstOffset = { 0, 0, 0 };
imgCopy.extent.width = TEX_DIM;
imgCopy.extent.height = TEX_DIM;
imgCopy.extent.depth = 1;
vkCmdCopyImage(
offScreenCmdBuffer,
offScreenFrameBuf.depth.image,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
offScreenFrameBuf.textureTarget.image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1,
&imgCopy);
// Transform framebuffer color attachment back
vkTools::setImageLayout(
offScreenCmdBuffer,
offScreenFrameBuf.depth.image,
VK_IMAGE_ASPECT_DEPTH_BIT,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
// Transform texture target back to shader read
// Makes sure that writes to the textuer are finished before
// it's accessed in the shader
vkTools::setImageLayout(
offScreenCmdBuffer,
offScreenFrameBuf.textureTarget.image,