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MacroLibX/src/renderer/images/vk_image.cpp

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22 KiB
C++

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* vk_image.cpp :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/01/25 11:59:07 by maldavid #+# #+# */
/* Updated: 2023/11/18 17:21:14 by maldavid ### ########.fr */
/* */
/* ************************************************************************** */
#include "vk_image.h"
#include <renderer/core/render_core.h>
#include <renderer/buffers/vk_buffer.h>
#include <renderer/command/vk_cmd_pool.h>
#include <renderer/core/vk_fence.h>
namespace mlx
{
bool isStencilFormat(VkFormat format)
{
switch(format)
{
case VK_FORMAT_D32_SFLOAT_S8_UINT:
case VK_FORMAT_D24_UNORM_S8_UINT:
return true;
default: return false;
}
}
bool isDepthFormat(VkFormat format)
{
switch(format)
{
case VK_FORMAT_D16_UNORM:
case VK_FORMAT_D32_SFLOAT:
case VK_FORMAT_D32_SFLOAT_S8_UINT:
case VK_FORMAT_D24_UNORM_S8_UINT:
case VK_FORMAT_D16_UNORM_S8_UINT:
return true;
default: return false;
}
}
VkFormat bitsToFormat(uint32_t bits)
{
switch(bits)
{
case 8: return VK_FORMAT_R8_UNORM;
case 16: return VK_FORMAT_R8G8_UNORM;
case 24: return VK_FORMAT_R8G8B8_UNORM;
case 32: return VK_FORMAT_R8G8B8A8_UNORM;
case 48: return VK_FORMAT_R16G16B16_SFLOAT;
case 64: return VK_FORMAT_R16G16B16A16_SFLOAT;
case 96: return VK_FORMAT_R32G32B32_SFLOAT;
case 128: return VK_FORMAT_R32G32B32A32_SFLOAT;
default:
core::error::report(e_kind::fatal_error, "Vulkan : unsupported image bit-depth");
return VK_FORMAT_R8G8B8A8_UNORM;
}
}
VkPipelineStageFlags layoutToAccessMask(VkImageLayout layout, bool isDestination)
{
VkPipelineStageFlags accessMask = 0;
switch(layout)
{
case VK_IMAGE_LAYOUT_UNDEFINED:
if(isDestination)
core::error::report(e_kind::error, "Vulkan : the new layout used in a transition must not be VK_IMAGE_LAYOUT_UNDEFINED");
break;
case VK_IMAGE_LAYOUT_GENERAL: accessMask = VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_SHADER_WRITE_BIT; break;
case VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL: accessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; break;
case VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL: accessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT; break;
case VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL:
accessMask = VK_ACCESS_SHADER_READ_BIT; // VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT;
break;
case VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL: accessMask = VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_INPUT_ATTACHMENT_READ_BIT; break;
case VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL: accessMask = VK_ACCESS_TRANSFER_READ_BIT; break;
case VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL: accessMask = VK_ACCESS_TRANSFER_WRITE_BIT; break;
case VK_IMAGE_LAYOUT_PREINITIALIZED:
if(!isDestination)
accessMask = VK_ACCESS_HOST_WRITE_BIT;
else
core::error::report(e_kind::error, "Vulkan : the new layout used in a transition must not be VK_IMAGE_LAYOUT_PREINITIALIZED");
break;
case VK_IMAGE_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_OPTIMAL: accessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT; break;
case VK_IMAGE_LAYOUT_DEPTH_ATTACHMENT_STENCIL_READ_ONLY_OPTIMAL: accessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT; break;
case VK_IMAGE_LAYOUT_PRESENT_SRC_KHR: accessMask = VK_ACCESS_MEMORY_READ_BIT; break;
default: core::error::report(e_kind::error, "Vulkan : unexpected image layout"); break;
}
return accessMask;
}
VkPipelineStageFlags accessFlagsToPipelineStage(VkAccessFlags accessFlags, VkPipelineStageFlags stageFlags)
{
VkPipelineStageFlags stages = 0;
while(accessFlags != 0)
{
VkAccessFlagBits AccessFlag = static_cast<VkAccessFlagBits>(accessFlags & (~(accessFlags - 1)));
if(AccessFlag == 0 || (AccessFlag & (AccessFlag - 1)) != 0)
core::error::report(e_kind::fatal_error, "Vulkan : an error has been caught during access flag to pipeline stage operation");
accessFlags &= ~AccessFlag;
switch(AccessFlag)
{
case VK_ACCESS_INDIRECT_COMMAND_READ_BIT: stages |= VK_PIPELINE_STAGE_DRAW_INDIRECT_BIT; break;
case VK_ACCESS_INDEX_READ_BIT: stages |= VK_PIPELINE_STAGE_VERTEX_INPUT_BIT; break;
case VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT: stages |= VK_PIPELINE_STAGE_VERTEX_INPUT_BIT; break;
case VK_ACCESS_UNIFORM_READ_BIT: stages |= stageFlags | VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT; break;
case VK_ACCESS_INPUT_ATTACHMENT_READ_BIT: stages |= VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT; break;
case VK_ACCESS_SHADER_READ_BIT: stages |= stageFlags | VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT; break;
case VK_ACCESS_SHADER_WRITE_BIT: stages |= stageFlags | VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT; break;
case VK_ACCESS_COLOR_ATTACHMENT_READ_BIT: stages |= VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; break;
case VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT: stages |= VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; break;
case VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT: stages |= VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT | VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT; break;
case VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT: stages |= VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT | VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT; break;
case VK_ACCESS_TRANSFER_READ_BIT: stages |= VK_PIPELINE_STAGE_TRANSFER_BIT; break;
case VK_ACCESS_TRANSFER_WRITE_BIT: stages |= VK_PIPELINE_STAGE_TRANSFER_BIT; break;
case VK_ACCESS_HOST_READ_BIT: stages |= VK_PIPELINE_STAGE_HOST_BIT; break;
case VK_ACCESS_HOST_WRITE_BIT: stages |= VK_PIPELINE_STAGE_HOST_BIT; break;
case VK_ACCESS_MEMORY_READ_BIT: break;
case VK_ACCESS_MEMORY_WRITE_BIT: break;
default: core::error::report(e_kind::error, "Vulkan : unknown access flag"); break;
}
}
return stages;
}
void Image::create(uint32_t width, uint32_t height, VkFormat format, VkImageTiling tiling, VkImageUsageFlags usage, const char* name, bool dedicated_memory)
{
_width = width;
_height = height;
_format = format;
_tiling = tiling;
VkImageCreateInfo imageInfo{};
imageInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
imageInfo.imageType = VK_IMAGE_TYPE_2D;
imageInfo.extent.width = width;
imageInfo.extent.height = height;
imageInfo.extent.depth = 1;
imageInfo.mipLevels = 1;
imageInfo.arrayLayers = 1;
imageInfo.format = format;
imageInfo.tiling = tiling;
imageInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
imageInfo.usage = usage;
imageInfo.samples = VK_SAMPLE_COUNT_1_BIT;
imageInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
VmaAllocationCreateInfo alloc_info{};
alloc_info.usage = VMA_MEMORY_USAGE_AUTO_PREFER_DEVICE;
if(dedicated_memory)
{
alloc_info.flags = VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT;
alloc_info.priority = 1.0f;
}
_allocation = Render_Core::get().getAllocator().createImage(&imageInfo, &alloc_info, _image, name);
_pool.init();
}
void Image::createImageView(VkImageViewType type, VkImageAspectFlags aspectFlags) noexcept
{
VkImageViewCreateInfo viewInfo{};
viewInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
viewInfo.image = _image;
viewInfo.viewType = type;
viewInfo.format = _format;
viewInfo.subresourceRange.aspectMask = aspectFlags;
viewInfo.subresourceRange.baseMipLevel = 0;
viewInfo.subresourceRange.levelCount = 1;
viewInfo.subresourceRange.baseArrayLayer = 0;
viewInfo.subresourceRange.layerCount = 1;
if(vkCreateImageView(Render_Core::get().getDevice().get(), &viewInfo, nullptr, &_image_view) != VK_SUCCESS)
core::error::report(e_kind::fatal_error, "Vulkan : failed to create an image view");
}
void Image::createSampler() noexcept
{
VkSamplerCreateInfo info{};
info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
info.magFilter = VK_FILTER_NEAREST;
info.minFilter = VK_FILTER_NEAREST;
info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_NEAREST;
info.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT;
info.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT;
info.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT;
info.minLod = -1000;
info.maxLod = 1000;
info.anisotropyEnable = VK_FALSE;
info.maxAnisotropy = 1.0f;
if(vkCreateSampler(Render_Core::get().getDevice().get(), &info, nullptr, &_sampler) != VK_SUCCESS)
core::error::report(e_kind::fatal_error, "Vulkan : failed to create an image");
}
void Image::copyFromBuffer(Buffer& buffer)
{
if(!_transfer_cmd.isInit())
_transfer_cmd.init(&_pool);
_transfer_cmd.reset();
_transfer_cmd.beginRecord();
VkImageMemoryBarrier copy_barrier{};
copy_barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
copy_barrier.dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
copy_barrier.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;
copy_barrier.newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
copy_barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
copy_barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
copy_barrier.image = _image;
copy_barrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
copy_barrier.subresourceRange.levelCount = 1;
copy_barrier.subresourceRange.layerCount = 1;
vkCmdPipelineBarrier(_transfer_cmd.get(), VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, nullptr, 0, nullptr, 1, &copy_barrier);
VkBufferImageCopy region{};
region.bufferOffset = 0;
region.bufferRowLength = 0;
region.bufferImageHeight = 0;
region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
region.imageSubresource.mipLevel = 0;
region.imageSubresource.baseArrayLayer = 0;
region.imageSubresource.layerCount = 1;
region.imageOffset = { 0, 0, 0 };
region.imageExtent = { _width, _height, 1 };
vkCmdCopyBufferToImage(_transfer_cmd.get(), buffer.get(), _image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &region);
VkImageMemoryBarrier use_barrier{};
use_barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
use_barrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
use_barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
use_barrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
use_barrier.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
use_barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
use_barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
use_barrier.image = _image;
use_barrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
use_barrier.subresourceRange.levelCount = 1;
use_barrier.subresourceRange.layerCount = 1;
vkCmdPipelineBarrier(_transfer_cmd.get(), VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, nullptr, 0, nullptr, 1, &use_barrier);
_transfer_cmd.endRecord();
_transfer_cmd.submitIdle();
}
void Image::copyToBuffer(Buffer& buffer)
{
if(!_transfer_cmd.isInit())
_transfer_cmd.init(&_pool);
_transfer_cmd.reset();
_transfer_cmd.beginRecord();
VkImageMemoryBarrier copy_barrier{};
copy_barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
copy_barrier.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
copy_barrier.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;
copy_barrier.newLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
copy_barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
copy_barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
copy_barrier.image = _image;
copy_barrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
copy_barrier.subresourceRange.levelCount = 1;
copy_barrier.subresourceRange.layerCount = 1;
vkCmdPipelineBarrier(_transfer_cmd.get(), VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, nullptr, 0, nullptr, 1, &copy_barrier);
VkBufferImageCopy region{};
region.bufferOffset = 0;
region.bufferRowLength = 0;
region.bufferImageHeight = 0;
region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
region.imageSubresource.mipLevel = 0;
region.imageSubresource.baseArrayLayer = 0;
region.imageSubresource.layerCount = 1;
region.imageOffset = { 0, 0, 0 };
region.imageExtent = { _width, _height, 1 };
vkCmdCopyImageToBuffer(_transfer_cmd.get(), _image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, buffer.get(), 1, &region);
VkImageMemoryBarrier use_barrier{};
use_barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
use_barrier.srcAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
use_barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
use_barrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
use_barrier.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
use_barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
use_barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
use_barrier.image = _image;
use_barrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
use_barrier.subresourceRange.levelCount = 1;
use_barrier.subresourceRange.layerCount = 1;
vkCmdPipelineBarrier(_transfer_cmd.get(), VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, nullptr, 0, nullptr, 1, &use_barrier);
_transfer_cmd.endRecord();
_transfer_cmd.submitIdle();
}
void Image::transitionLayout(VkImageLayout new_layout)
{
if(new_layout == _layout)
return;
if(!_transfer_cmd.isInit())
_transfer_cmd.init(&_pool);
_transfer_cmd.reset();
_transfer_cmd.beginRecord();
VkImageMemoryBarrier barrier{};
barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
barrier.oldLayout = _layout;
barrier.newLayout = new_layout;
barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.image = _image;
barrier.subresourceRange.aspectMask = isDepthFormat(_format) ? VK_IMAGE_ASPECT_DEPTH_BIT : VK_IMAGE_ASPECT_COLOR_BIT;
barrier.subresourceRange.baseMipLevel = 0;
barrier.subresourceRange.levelCount = 1;
barrier.subresourceRange.baseArrayLayer = 0;
barrier.subresourceRange.layerCount = 1;
barrier.srcAccessMask = layoutToAccessMask(_layout, false);
barrier.dstAccessMask = layoutToAccessMask(new_layout, true);
if(isStencilFormat(_format))
barrier.subresourceRange.aspectMask |= VK_IMAGE_ASPECT_STENCIL_BIT;
VkPipelineStageFlags sourceStage = 0;
if(barrier.oldLayout == VK_IMAGE_LAYOUT_PRESENT_SRC_KHR)
sourceStage = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
else if(barrier.srcAccessMask != 0)
sourceStage = accessFlagsToPipelineStage(barrier.srcAccessMask, VK_PIPELINE_STAGE_VERTEX_SHADER_BIT | VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT | VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT);
else
sourceStage = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkPipelineStageFlags destinationStage = 0;
if(barrier.newLayout == VK_IMAGE_LAYOUT_PRESENT_SRC_KHR)
destinationStage = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
else if(barrier.dstAccessMask != 0)
destinationStage = accessFlagsToPipelineStage(barrier.dstAccessMask, VK_PIPELINE_STAGE_VERTEX_SHADER_BIT | VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT | VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT);
else
destinationStage = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
vkCmdPipelineBarrier(_transfer_cmd.get(), sourceStage, destinationStage, 0, 0, nullptr, 0, nullptr, 1, &barrier);
_transfer_cmd.endRecord();
_transfer_cmd.submitIdle();
_layout = new_layout;
}
void Image::destroySampler() noexcept
{
if(_sampler != VK_NULL_HANDLE)
vkDestroySampler(Render_Core::get().getDevice().get(), _sampler, nullptr);
_sampler = VK_NULL_HANDLE;
}
void Image::destroyImageView() noexcept
{
if(_image_view != VK_NULL_HANDLE)
vkDestroyImageView(Render_Core::get().getDevice().get(), _image_view, nullptr);
_image_view = VK_NULL_HANDLE;
}
void Image::destroy() noexcept
{
destroySampler();
destroyImageView();
destroyCmdPool();
if(_image != VK_NULL_HANDLE)
Render_Core::get().getAllocator().destroyImage(_allocation, _image);
_image = VK_NULL_HANDLE;
}
uint32_t formatSize(VkFormat format)
{
switch(format)
{
case VK_FORMAT_UNDEFINED: return 0;
case VK_FORMAT_R4G4_UNORM_PACK8: return 1;
case VK_FORMAT_R4G4B4A4_UNORM_PACK16: return 2;
case VK_FORMAT_B4G4R4A4_UNORM_PACK16: return 2;
case VK_FORMAT_R5G6B5_UNORM_PACK16: return 2;
case VK_FORMAT_B5G6R5_UNORM_PACK16: return 2;
case VK_FORMAT_R5G5B5A1_UNORM_PACK16: return 2;
case VK_FORMAT_B5G5R5A1_UNORM_PACK16: return 2;
case VK_FORMAT_A1R5G5B5_UNORM_PACK16: return 2;
case VK_FORMAT_R8_UNORM: return 1;
case VK_FORMAT_R8_SNORM: return 1;
case VK_FORMAT_R8_USCALED: return 1;
case VK_FORMAT_R8_SSCALED: return 1;
case VK_FORMAT_R8_UINT: return 1;
case VK_FORMAT_R8_SINT: return 1;
case VK_FORMAT_R8_SRGB: return 1;
case VK_FORMAT_R8G8_UNORM: return 2;
case VK_FORMAT_R8G8_SNORM: return 2;
case VK_FORMAT_R8G8_USCALED: return 2;
case VK_FORMAT_R8G8_SSCALED: return 2;
case VK_FORMAT_R8G8_UINT: return 2;
case VK_FORMAT_R8G8_SINT: return 2;
case VK_FORMAT_R8G8_SRGB: return 2;
case VK_FORMAT_R8G8B8_UNORM: return 3;
case VK_FORMAT_R8G8B8_SNORM: return 3;
case VK_FORMAT_R8G8B8_USCALED: return 3;
case VK_FORMAT_R8G8B8_SSCALED: return 3;
case VK_FORMAT_R8G8B8_UINT: return 3;
case VK_FORMAT_R8G8B8_SINT: return 3;
case VK_FORMAT_R8G8B8_SRGB: return 3;
case VK_FORMAT_B8G8R8_UNORM: return 3;
case VK_FORMAT_B8G8R8_SNORM: return 3;
case VK_FORMAT_B8G8R8_USCALED: return 3;
case VK_FORMAT_B8G8R8_SSCALED: return 3;
case VK_FORMAT_B8G8R8_UINT: return 3;
case VK_FORMAT_B8G8R8_SINT: return 3;
case VK_FORMAT_B8G8R8_SRGB: return 3;
case VK_FORMAT_R8G8B8A8_UNORM: return 4;
case VK_FORMAT_R8G8B8A8_SNORM: return 4;
case VK_FORMAT_R8G8B8A8_USCALED: return 4;
case VK_FORMAT_R8G8B8A8_SSCALED: return 4;
case VK_FORMAT_R8G8B8A8_UINT: return 4;
case VK_FORMAT_R8G8B8A8_SINT: return 4;
case VK_FORMAT_R8G8B8A8_SRGB: return 4;
case VK_FORMAT_B8G8R8A8_UNORM: return 4;
case VK_FORMAT_B8G8R8A8_SNORM: return 4;
case VK_FORMAT_B8G8R8A8_USCALED: return 4;
case VK_FORMAT_B8G8R8A8_SSCALED: return 4;
case VK_FORMAT_B8G8R8A8_UINT: return 4;
case VK_FORMAT_B8G8R8A8_SINT: return 4;
case VK_FORMAT_B8G8R8A8_SRGB: return 4;
case VK_FORMAT_A8B8G8R8_UNORM_PACK32: return 4;
case VK_FORMAT_A8B8G8R8_SNORM_PACK32: return 4;
case VK_FORMAT_A8B8G8R8_USCALED_PACK32: return 4;
case VK_FORMAT_A8B8G8R8_SSCALED_PACK32: return 4;
case VK_FORMAT_A8B8G8R8_UINT_PACK32: return 4;
case VK_FORMAT_A8B8G8R8_SINT_PACK32: return 4;
case VK_FORMAT_A8B8G8R8_SRGB_PACK32: return 4;
case VK_FORMAT_A2R10G10B10_UNORM_PACK32: return 4;
case VK_FORMAT_A2R10G10B10_SNORM_PACK32: return 4;
case VK_FORMAT_A2R10G10B10_USCALED_PACK32: return 4;
case VK_FORMAT_A2R10G10B10_SSCALED_PACK32: return 4;
case VK_FORMAT_A2R10G10B10_UINT_PACK32: return 4;
case VK_FORMAT_A2R10G10B10_SINT_PACK32: return 4;
case VK_FORMAT_A2B10G10R10_UNORM_PACK32: return 4;
case VK_FORMAT_A2B10G10R10_SNORM_PACK32: return 4;
case VK_FORMAT_A2B10G10R10_USCALED_PACK32: return 4;
case VK_FORMAT_A2B10G10R10_SSCALED_PACK32: return 4;
case VK_FORMAT_A2B10G10R10_UINT_PACK32: return 4;
case VK_FORMAT_A2B10G10R10_SINT_PACK32: return 4;
case VK_FORMAT_R16_UNORM: return 2;
case VK_FORMAT_R16_SNORM: return 2;
case VK_FORMAT_R16_USCALED: return 2;
case VK_FORMAT_R16_SSCALED: return 2;
case VK_FORMAT_R16_UINT: return 2;
case VK_FORMAT_R16_SINT: return 2;
case VK_FORMAT_R16_SFLOAT: return 2;
case VK_FORMAT_R16G16_UNORM: return 4;
case VK_FORMAT_R16G16_SNORM: return 4;
case VK_FORMAT_R16G16_USCALED: return 4;
case VK_FORMAT_R16G16_SSCALED: return 4;
case VK_FORMAT_R16G16_UINT: return 4;
case VK_FORMAT_R16G16_SINT: return 4;
case VK_FORMAT_R16G16_SFLOAT: return 4;
case VK_FORMAT_R16G16B16_UNORM: return 6;
case VK_FORMAT_R16G16B16_SNORM: return 6;
case VK_FORMAT_R16G16B16_USCALED: return 6;
case VK_FORMAT_R16G16B16_SSCALED: return 6;
case VK_FORMAT_R16G16B16_UINT: return 6;
case VK_FORMAT_R16G16B16_SINT: return 6;
case VK_FORMAT_R16G16B16_SFLOAT: return 6;
case VK_FORMAT_R16G16B16A16_UNORM: return 8;
case VK_FORMAT_R16G16B16A16_SNORM: return 8;
case VK_FORMAT_R16G16B16A16_USCALED: return 8;
case VK_FORMAT_R16G16B16A16_SSCALED: return 8;
case VK_FORMAT_R16G16B16A16_UINT: return 8;
case VK_FORMAT_R16G16B16A16_SINT: return 8;
case VK_FORMAT_R16G16B16A16_SFLOAT: return 8;
case VK_FORMAT_R32_UINT: return 4;
case VK_FORMAT_R32_SINT: return 4;
case VK_FORMAT_R32_SFLOAT: return 4;
case VK_FORMAT_R32G32_UINT: return 8;
case VK_FORMAT_R32G32_SINT: return 8;
case VK_FORMAT_R32G32_SFLOAT: return 8;
case VK_FORMAT_R32G32B32_UINT: return 12;
case VK_FORMAT_R32G32B32_SINT: return 12;
case VK_FORMAT_R32G32B32_SFLOAT: return 12;
case VK_FORMAT_R32G32B32A32_UINT: return 16;
case VK_FORMAT_R32G32B32A32_SINT: return 16;
case VK_FORMAT_R32G32B32A32_SFLOAT: return 16;
case VK_FORMAT_R64_UINT: return 8;
case VK_FORMAT_R64_SINT: return 8;
case VK_FORMAT_R64_SFLOAT: return 8;
case VK_FORMAT_R64G64_UINT: return 16;
case VK_FORMAT_R64G64_SINT: return 16;
case VK_FORMAT_R64G64_SFLOAT: return 16;
case VK_FORMAT_R64G64B64_UINT: return 24;
case VK_FORMAT_R64G64B64_SINT: return 24;
case VK_FORMAT_R64G64B64_SFLOAT: return 24;
case VK_FORMAT_R64G64B64A64_UINT: return 32;
case VK_FORMAT_R64G64B64A64_SINT: return 32;
case VK_FORMAT_R64G64B64A64_SFLOAT: return 32;
case VK_FORMAT_B10G11R11_UFLOAT_PACK32: return 4;
case VK_FORMAT_E5B9G9R9_UFLOAT_PACK32: return 4;
default: return 0;
}
}
}