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r_vk_backend.cpp
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#define VK_USE_PLATFORM_WIN32_KHR
#define VK_NO_PROTOTYPES
#define __VK
#include "DEFS_WIN32_NO_BS.h"
// TODO: autogen custom vulkan ?
#include <vulkan.h>
// TODO: header + .cpp ?
// TODO: revisit this
#include "vk_procs.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <string_view>
#include <charconv>
#include <span>
import handles;
// TODO: use own allocator
// NOTE: clang-cl on VS issue
#ifdef __clang__
#undef __clang__
#define _XM_NO_XMVECTOR_OVERLOADS_
#include <DirectXMath.h>
#define __clang__
#elif _MSC_VER >= 1916
#define _XM_NO_XMVECTOR_OVERLOADS_
#include <DirectXMath.h>
#endif
#include "r_vk_resources.hpp"
#include "vk_utils.hpp"
#include "r_vk_sync.hpp"
#include "r_vk_pipelines.hpp"
#include <DirectXPackedVector.h>
namespace DXPacked = DirectX::PackedVector;
#include "sys_os_api.h"
#include "core_lib_api.h"
//====================CONSTS====================//
constexpr u32 VK_SWAPCHAIN_MAX_IMG_ALLOWED = 3;
constexpr u64 VK_MAX_FRAMES_IN_FLIGHT_ALLOWED = 2;
constexpr u32 NOT_USED_IDX = -1;
constexpr u32 OBJ_CULL_WORKSIZE = 64;
constexpr u32 MLET_CULL_WORKSIZE = 256;
constexpr u32 VK_API_VERSION = VK_API_VERSION_1_3;
//==============================================//
// TODO: cvars
//====================CVARS====================//
//==============================================//
// TODO: compile time switches
//==============CONSTEXPR_SWITCH==============//
constexpr bool multiPassDepthPyramid = 1;
static_assert( multiPassDepthPyramid );
// TODO: enable gfx debug outside of VS Debug
constexpr bool vkValidationLayerFeatures = 1;
constexpr bool worldLeftHanded = 1;
// TODO: cvar or constexpr ?
constexpr bool dbgDraw = true;
//==============================================//
// NOTE: GPU validation broken
// NOTE: Sync validation doesn't work with desc indexing ?
constexpr VkValidationFeatureEnableEXT enabledValidationFeats[] = {
//VK_VALIDATION_FEATURE_ENABLE_GPU_ASSISTED_EXT,
//VK_VALIDATION_FEATURE_ENABLE_GPU_ASSISTED_RESERVE_BINDING_SLOT_EXT,
VK_VALIDATION_FEATURE_ENABLE_DEBUG_PRINTF_EXT,
//VK_VALIDATION_FEATURE_ENABLE_SYNCHRONIZATION_VALIDATION_EXT,
//VK_VALIDATION_FEATURE_ENABLE_BEST_PRACTICES_EXT
};
static u64 VK_DLL = 0;
// TODO: gfx_api_instance ?
struct vk_instance
{
VkInstance inst;
VkDebugUtilsMessengerEXT dbgMsg;
};
inline static vk_instance VkMakeInstance()
{
constexpr const char* ENABLED_INST_EXTS[] =
{
VK_KHR_SURFACE_EXTENSION_NAME,
#ifdef VK_USE_PLATFORM_WIN32_KHR
VK_KHR_WIN32_SURFACE_EXTENSION_NAME,
#endif // VK_USE_PLATFORM_WIN32_KHR
#ifdef _VK_DEBUG_
VK_EXT_DEBUG_UTILS_EXTENSION_NAME,
#endif // _VK_DEBUG_
};
constexpr const char* LAYERS[] =
{
#ifdef _VK_DEBUG_
"VK_LAYER_KHRONOS_validation",
//"VK_LAYER_LUNARG_api_dump"
#endif // _VK_DEBUG_
};
VK_CHECK( VK_INTERNAL_ERROR( !( VK_DLL = SysDllLoad( "vulkan-1.dll" ) ) ) );
// TODO: full vk file generation ?
vkGetInstanceProcAddr = ( PFN_vkGetInstanceProcAddr ) SysGetProcAddr( VK_DLL, "vkGetInstanceProcAddr" );
vkCreateInstance = ( PFN_vkCreateInstance ) vkGetInstanceProcAddr( 0, "vkCreateInstance" );
vkEnumerateInstanceExtensionProperties =
( PFN_vkEnumerateInstanceExtensionProperties ) vkGetInstanceProcAddr( 0, "vkEnumerateInstanceExtensionProperties" );
vkEnumerateInstanceLayerProperties =
( PFN_vkEnumerateInstanceLayerProperties ) vkGetInstanceProcAddr( 0, "vkEnumerateInstanceLayerProperties" );
vkEnumerateInstanceVersion = ( PFN_vkEnumerateInstanceVersion ) vkGetInstanceProcAddr( 0, "vkEnumerateInstanceVersion" );
u32 vkExtsNum = 0;
VK_CHECK( vkEnumerateInstanceExtensionProperties( 0, &vkExtsNum, 0 ) );
std::vector<VkExtensionProperties> givenExts( vkExtsNum );
VK_CHECK( vkEnumerateInstanceExtensionProperties( 0, &vkExtsNum, std::data( givenExts ) ) );
for( std::string_view requiredExt : ENABLED_INST_EXTS )
{
bool foundExt = false;
for( VkExtensionProperties& availableExt : givenExts )
{
if( requiredExt == availableExt.extensionName )
{
foundExt = true;
break;
}
}
VK_CHECK( VK_INTERNAL_ERROR( !foundExt ) );
};
u32 layerCount = 0;
VK_CHECK( vkEnumerateInstanceLayerProperties( &layerCount, 0 ) );
std::vector<VkLayerProperties> layersAvailable( layerCount );
VK_CHECK( vkEnumerateInstanceLayerProperties( &layerCount, std::data( layersAvailable ) ) );
for( std::string_view requiredLayer : LAYERS )
{
bool foundLayer = false;
for( VkLayerProperties& availableLayer : layersAvailable )
{
if( requiredLayer == availableLayer.layerName )
{
foundLayer = true;
break;
}
}
VK_CHECK( VK_INTERNAL_ERROR( !foundLayer ) );
}
VkInstance vkInstance = 0;
VkDebugUtilsMessengerEXT vkDbgUtilsMsgExt = 0;
VkApplicationInfo appInfo = { VK_STRUCTURE_TYPE_APPLICATION_INFO };
VK_CHECK( vkEnumerateInstanceVersion( &appInfo.apiVersion ) );
VK_CHECK( VK_INTERNAL_ERROR( appInfo.apiVersion < VK_API_VERSION ) );
VkInstanceCreateInfo instInfo = { VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO };
#ifdef _VK_DEBUG_
VkValidationFeaturesEXT vkValidationFeatures = { VK_STRUCTURE_TYPE_VALIDATION_FEATURES_EXT };
vkValidationFeatures.enabledValidationFeatureCount = std::size( enabledValidationFeats );
vkValidationFeatures.pEnabledValidationFeatures = enabledValidationFeats;
VkDebugUtilsMessengerCreateInfoEXT vkDbgExt = { VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT };
vkDbgExt.pNext = vkValidationLayerFeatures ? &vkValidationFeatures : 0;
vkDbgExt.messageSeverity =
VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT |
VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT |
VK_DEBUG_UTILS_MESSAGE_SEVERITY_INFO_BIT_EXT;
vkDbgExt.messageType = VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT;
vkDbgExt.pfnUserCallback = VkDbgUtilsMsgCallback;
instInfo.pNext = &vkDbgExt;
#endif
instInfo.pApplicationInfo = &appInfo;
instInfo.enabledLayerCount = std::size( LAYERS );
instInfo.ppEnabledLayerNames = LAYERS;
instInfo.enabledExtensionCount = std::size( ENABLED_INST_EXTS );
instInfo.ppEnabledExtensionNames = ENABLED_INST_EXTS;
VK_CHECK( vkCreateInstance( &instInfo, 0, &vkInstance ) );
VkLoadInstanceProcs( vkInstance, *vkGetInstanceProcAddr );
#ifdef _VK_DEBUG_
VK_CHECK( vkCreateDebugUtilsMessengerEXT( vkInstance, &vkDbgExt, 0, &vkDbgUtilsMsgExt ) );
#endif
return { vkInstance, vkDbgUtilsMsgExt };
}
// TODO: keep global ?
static VkInstance vkInst = 0;
static VkDebugUtilsMessengerEXT vkDbgMsg = 0;
// TODO: separate GPU and logical device ?
// TODO: physical_device_info ?
struct vk_device
{
VkPhysicalDeviceProperties gpuProps;
VkPhysicalDevice gpu;
VkDevice device;
VkQueue gfxQueue;
VkQueue compQueue;
VkQueue transfQueue;
u32 gfxQueueIdx;
u32 compQueueIdx;
u32 transfQueueIdx;
float timestampPeriod;
u8 waveSize;
};
inline static vk_device VkMakeDeviceContext( VkInstance vkInst, VkSurfaceKHR vkSurf )
{
constexpr const char* ENABLED_DEVICE_EXTS[] = {
VK_KHR_SWAPCHAIN_EXTENSION_NAME,
VK_KHR_PRESENT_ID_EXTENSION_NAME,
VK_KHR_PRESENT_WAIT_EXTENSION_NAME,
VK_KHR_ZERO_INITIALIZE_WORKGROUP_MEMORY_EXTENSION_NAME,
VK_KHR_PUSH_DESCRIPTOR_EXTENSION_NAME,
//VK_KHR_PIPELINE_EXECUTABLE_PROPERTIES_EXTENSION_NAME,
VK_KHR_SHADER_NON_SEMANTIC_INFO_EXTENSION_NAME,
//VK_KHR_FORMAT_FEATURE_FLAGS_2_EXTENSION_NAME,
//VK_EXT_LOAD_STORE_OP_NONE_EXTENSION_NAME,
VK_EXT_CONSERVATIVE_RASTERIZATION_EXTENSION_NAME,
VK_EXT_EXTENDED_DYNAMIC_STATE_EXTENSION_NAME,
VK_EXT_INDEX_TYPE_UINT8_EXTENSION_NAME,
VK_EXT_INLINE_UNIFORM_BLOCK_EXTENSION_NAME,
//VK_EXT_DESCRIPTOR_BUFFER_EXTENSION_NAME
};
u32 numDevices = 0;
VK_CHECK( vkEnumeratePhysicalDevices( vkInst, &numDevices, 0 ) );
std::vector<VkPhysicalDevice> availableDevices( numDevices );
VK_CHECK( vkEnumeratePhysicalDevices( vkInst, &numDevices, std::data( availableDevices ) ) );
//VkPhysicalDeviceDescriptorBufferPropertiesEXT descBuffProps =
//{ VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DESCRIPTOR_BUFFER_PROPERTIES_EXT };
VkPhysicalDeviceInlineUniformBlockPropertiesEXT inlineBlockProps =
{ VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_INLINE_UNIFORM_BLOCK_PROPERTIES_EXT };
VkPhysicalDeviceConservativeRasterizationPropertiesEXT conservativeRasterProps =
{ VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_CONSERVATIVE_RASTERIZATION_PROPERTIES_EXT, &inlineBlockProps };
VkPhysicalDeviceSubgroupProperties waveProps = { VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SUBGROUP_PROPERTIES, &conservativeRasterProps };
VkPhysicalDeviceVulkan12Properties gpuProps12 = { VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_1_2_PROPERTIES, &waveProps };
VkPhysicalDeviceProperties2 gpuProps2 = { VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2, &gpuProps12 };
//VkPhysicalDeviceDescriptorBufferFeaturesEXT descBuffFeatures =
//{ VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DESCRIPTOR_BUFFER_FEATURES_EXT };
VkPhysicalDeviceDynamicRenderingFeatures dynamicRenderingFeatures =
{ VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DYNAMIC_RENDERING_FEATURES };
VkPhysicalDevicePresentWaitFeaturesKHR presentWaitFeatures =
{ VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PRESENT_WAIT_FEATURES_KHR, &dynamicRenderingFeatures };
VkPhysicalDevicePresentIdFeaturesKHR presentIdFeatures =
{ VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PRESENT_ID_FEATURES_KHR, &presentWaitFeatures };
VkPhysicalDeviceInlineUniformBlockFeaturesEXT inlineBlockFeatures =
{ VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_INLINE_UNIFORM_BLOCK_FEATURES_EXT, &presentIdFeatures };
VkPhysicalDeviceIndexTypeUint8FeaturesEXT uint8IdxFeatures =
{ VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_INDEX_TYPE_UINT8_FEATURES_EXT, &inlineBlockFeatures };
VkPhysicalDeviceZeroInitializeWorkgroupMemoryFeaturesKHR zeroInitWorkgrMemFeatures =
{ VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ZERO_INITIALIZE_WORKGROUP_MEMORY_FEATURES_KHR, &uint8IdxFeatures };
VkPhysicalDeviceSynchronization2Features sync2Features =
{ VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SYNCHRONIZATION_2_FEATURES, &zeroInitWorkgrMemFeatures };
VkPhysicalDeviceExtendedDynamicStateFeaturesEXT extDynamicStateFeatures =
{ VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTENDED_DYNAMIC_STATE_FEATURES_EXT, &sync2Features };
VkPhysicalDeviceVulkan12Features gpuFeatures12 = { VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_1_2_FEATURES, &extDynamicStateFeatures };
// NOTE: Vulkan SDK 1.2.189 complains about this stuff , wtf ?
VkPhysicalDeviceVulkan11Features gpuFeatures11 = { VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_1_1_FEATURES, &gpuFeatures12 };
VkPhysicalDeviceFeatures2 gpuFeatures = { VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2, &gpuFeatures11 };
// TODO: check for more stuff ?
VkPhysicalDevice gpu = 0;
for( u64 i = 0; i < numDevices; ++i )
{
u32 extsNum = 0;
if( vkEnumerateDeviceExtensionProperties( availableDevices[ i ], 0, &extsNum, 0 ) || !extsNum ) continue;
std::vector<VkExtensionProperties> availableExts( extsNum );
if( vkEnumerateDeviceExtensionProperties( availableDevices[ i ], 0, &extsNum, std::data( availableExts ) ) ) continue;
for( std::string_view requiredExt : ENABLED_DEVICE_EXTS )
{
bool foundExt = false;
for( VkExtensionProperties& availableExt : availableExts )
{
if( requiredExt == availableExt.extensionName )
{
foundExt = true;
break;
}
}
if( !foundExt ) goto NEXT_DEVICE;
};
vkGetPhysicalDeviceProperties2( availableDevices[ i ], &gpuProps2 );
if( gpuProps2.properties.apiVersion < VK_API_VERSION_1_2 ) continue;
if( gpuProps2.properties.deviceType != VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU ) continue;
if( !gpuProps2.properties.limits.timestampComputeAndGraphics ) continue;
vkGetPhysicalDeviceFeatures2( availableDevices[ i ], &gpuFeatures );
gpu = availableDevices[ i ];
break;
NEXT_DEVICE:;
}
VK_CHECK( VK_INTERNAL_ERROR( !gpu ) );
gpuFeatures.features.geometryShader = 0;
gpuFeatures.features.robustBufferAccess = 0;
u32 queueFamNum = 0;
vkGetPhysicalDeviceQueueFamilyProperties( gpu, &queueFamNum, 0 );
VK_CHECK( VK_INTERNAL_ERROR( !queueFamNum ) );
std::vector<VkQueueFamilyProperties> queueFamProps( queueFamNum );
vkGetPhysicalDeviceQueueFamilyProperties( gpu, &queueFamNum, std::data( queueFamProps ) );
constexpr VkQueueFlags careAboutQueueTypes = VK_QUEUE_GRAPHICS_BIT | VK_QUEUE_COMPUTE_BIT | VK_QUEUE_TRANSFER_BIT;
constexpr VkQueueFlags presentQueueFlags = careAboutQueueTypes ^ VK_QUEUE_TRANSFER_BIT;
u32 qGfxIdx = -1, qCompIdx = -1, qTransfIdx = -1;
for( u32 qIdx = 0; qIdx < queueFamNum; ++qIdx )
{
if( queueFamProps[ qIdx ].queueCount == 0 ) continue;
VkQueueFlags familyFlags = queueFamProps[ qIdx ].queueFlags & careAboutQueueTypes;
if( familyFlags & presentQueueFlags )
{
VkBool32 present = 0;
vkGetPhysicalDeviceSurfaceSupportKHR( gpu, qIdx, vkSurf, &present );
VK_CHECK( VK_INTERNAL_ERROR( !present ) );
}
if( familyFlags & VK_QUEUE_GRAPHICS_BIT ) qGfxIdx = qIdx;
else if( familyFlags & VK_QUEUE_COMPUTE_BIT ) qCompIdx = qIdx;
else if( familyFlags & VK_QUEUE_TRANSFER_BIT ) qTransfIdx = qIdx;
}
VK_CHECK( VK_INTERNAL_ERROR( ( qGfxIdx == u32( -1 ) ) || ( qCompIdx == u32( -1 ) ) || ( qTransfIdx == u32( -1 ) ) ) );
float queuePriorities = 1.0f;
VkDeviceQueueCreateInfo queueInfos[ 3 ] = {};
for( u32 qi = 0; qi < std::size( queueInfos ); ++qi )
{
queueInfos[ qi ].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
queueInfos[ qi ].queueFamilyIndex = qi;
queueInfos[ qi ].queueCount = 1;
queueInfos[ qi ].pQueuePriorities = &queuePriorities;
}
vk_device dc = {};
VkDeviceCreateInfo deviceInfo = { VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO };
deviceInfo.pNext = &gpuFeatures;
deviceInfo.queueCreateInfoCount = std::size( queueInfos );
deviceInfo.pQueueCreateInfos = &queueInfos[ 0 ];
deviceInfo.enabledExtensionCount = std::size( ENABLED_DEVICE_EXTS );
deviceInfo.ppEnabledExtensionNames = ENABLED_DEVICE_EXTS;
VK_CHECK( vkCreateDevice( gpu, &deviceInfo, 0, &dc.device ) );
VkLoadDeviceProcs( dc.device );
vkGetDeviceQueue( dc.device, queueInfos[ qGfxIdx ].queueFamilyIndex, 0, &dc.gfxQueue );
vkGetDeviceQueue( dc.device, queueInfos[ qCompIdx ].queueFamilyIndex, 0, &dc.compQueue );
vkGetDeviceQueue( dc.device, queueInfos[ qTransfIdx ].queueFamilyIndex, 0, &dc.transfQueue );
VK_CHECK( VK_INTERNAL_ERROR( !dc.gfxQueue ) );
VK_CHECK( VK_INTERNAL_ERROR( !dc.compQueue ) );
VK_CHECK( VK_INTERNAL_ERROR( !dc.transfQueue ) );
dc.gfxQueueIdx = queueInfos[ qGfxIdx ].queueFamilyIndex;
dc.compQueueIdx = queueInfos[ qCompIdx ].queueFamilyIndex;
dc.transfQueueIdx = queueInfos[ qTransfIdx ].queueFamilyIndex;
dc.gpu = gpu;
dc.gpuProps = gpuProps2.properties;
dc.timestampPeriod = gpuProps2.properties.limits.timestampPeriod;
dc.waveSize = waveProps.subgroupSize;
return dc;
}
static vk_device dc;
static vk_mem_arena vkRscArena, vkStagingArena, vkAlbumArena, vkHostComArena, vkDbgArena;
// TODO: move debug stuff out of here ?
// TODO: make into a mem system
inline void VkStartGfxMemory( VkPhysicalDevice vkPhysicalDevice, VkDevice vkDevice )
{
VkPhysicalDeviceMemoryProperties memProps;
vkGetPhysicalDeviceMemoryProperties( vkPhysicalDevice, &memProps );
vkRscArena = VkMakeMemoryArena( memProps, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, vkDevice );
vkAlbumArena = VkMakeMemoryArena( memProps, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, vkDevice );
vkStagingArena =
VkMakeMemoryArena( memProps, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, vkDevice );
vkHostComArena = VkMakeMemoryArena( memProps,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT |
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
vkDevice );
vkDbgArena = VkMakeMemoryArena( memProps, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, vkDevice );
}
// NOTE: for timestamps we need 2 queries
struct vk_gpu_timer
{
vk_buffer resultBuff;
VkQueryPool queryPool;
u32 queryCount;
float timestampPeriod;
};
static inline vk_gpu_timer VkMakeGpuTimer( VkDevice vkDevice, u32 timerRegionsCount, float tsPeriod )
{
u32 queryCount = 2 * timerRegionsCount;
vk_buffer resultBuff = VkCreateAllocBindBuffer( queryCount * sizeof( u64 ), VK_BUFFER_USAGE_TRANSFER_DST_BIT, vkHostComArena, dc.gpu );
VkDbgNameObj( resultBuff.hndl, vkDevice, "Buff_Timestamp_Queries" );
VkQueryPoolCreateInfo queryPoolInfo = { VK_STRUCTURE_TYPE_QUERY_POOL_CREATE_INFO };
queryPoolInfo.queryType = VK_QUERY_TYPE_TIMESTAMP;
queryPoolInfo.queryCount = queryCount;
queryPoolInfo.pipelineStatistics;
VkQueryPool queryPool = {};
VK_CHECK( vkCreateQueryPool( vkDevice, &queryPoolInfo, 0, &queryPool ) );
VkDbgNameObj( queryPool, vkDevice, "VkQueryPool_GPU_timer" );
return { resultBuff, queryPool, queryCount, tsPeriod };
}
static inline float VkCmdReadGpuTimeInMs( VkCommandBuffer cmdBuff, const vk_gpu_timer& vkTimer )
{
vkCmdCopyQueryPoolResults(
cmdBuff, vkTimer.queryPool, 0, vkTimer.queryCount, vkTimer.resultBuff.hndl, 0, sizeof( u64 ),
VK_QUERY_RESULT_64_BIT );// | VK_QUERY_RESULT_WITH_AVAILABILITY_BIT );
VkMemoryBarrier2 readTimestampsBarrier[] = {
VkMakeMemoryBarrier2(
VK_ACCESS_2_TRANSFER_WRITE_BIT, VK_PIPELINE_STAGE_2_TRANSFER_BIT,
VK_ACCESS_2_HOST_READ_BIT, VK_PIPELINE_STAGE_2_HOST_BIT )
};
VkCmdPipelineFlushCacheBarriers( cmdBuff, readTimestampsBarrier );
const u64* pTimestamps = ( const u64* ) vkTimer.resultBuff.hostVisible;
u64 timestampBeg = pTimestamps[ 0 ];
u64 timestampEnd = pTimestamps[ 1 ];
constexpr float nsToMs = 1e-6;
return ( timestampEnd - timestampBeg ) / vkTimer.timestampPeriod * nsToMs;
}
struct vk_time_section
{
const VkCommandBuffer& cmdBuff;
const VkQueryPool& queryPool;
const u32 queryIdx;
inline vk_time_section( const VkCommandBuffer& _cmdBuff, const VkQueryPool& _queryPool, u32 _queryIdx )
: cmdBuff{ _cmdBuff }, queryPool{ _queryPool }, queryIdx{ _queryIdx }
{
vkCmdWriteTimestamp2( cmdBuff, VK_PIPELINE_STAGE_2_TOP_OF_PIPE_BIT, queryPool, queryIdx );
}
inline ~vk_time_section()
{
// VK_PIPELINE_STAGE_2_NONE_KHR
vkCmdWriteTimestamp2( cmdBuff, VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT, queryPool, queryIdx + 1 );
}
};
struct virtual_frame
{
vk_buffer frameData;
vk_gpu_timer frameTimer;
VkCommandPool cmdPool;
VkCommandBuffer cmdBuff;
VkSemaphore canGetImgSema;
VkSemaphore canPresentSema;
u16 frameDescIdx;
};
// TODO: buffer_desc ?
// TODO: revisit
static inline virtual_frame VkCreateVirtualFrame(
VkDevice vkDevice,
VkPhysicalDevice vkGpu,
float timestampPeriod,
u32 exectutionQueueIdx,
u32 bufferSize,
vk_mem_arena& arena
) {
virtual_frame vrtFrame = {};
VkCommandPoolCreateInfo cmdPoolInfo = { VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO };
//cmdPoolInfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT | VK_COMMAND_POOL_CREATE_TRANSIENT_BIT;
cmdPoolInfo.flags = VK_COMMAND_POOL_CREATE_TRANSIENT_BIT;
cmdPoolInfo.queueFamilyIndex = exectutionQueueIdx;
VK_CHECK( vkCreateCommandPool( vkDevice, &cmdPoolInfo, 0, &vrtFrame.cmdPool ) );
VkCommandBufferAllocateInfo cmdBuffAllocInfo = { VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO };
cmdBuffAllocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
cmdBuffAllocInfo.commandBufferCount = 1;
cmdBuffAllocInfo.commandPool = vrtFrame.cmdPool;
VK_CHECK( vkAllocateCommandBuffers( vkDevice, &cmdBuffAllocInfo, &vrtFrame.cmdBuff ) );
VkSemaphoreCreateInfo semaInfo = { VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO };
VK_CHECK( vkCreateSemaphore( vkDevice, &semaInfo, 0, &vrtFrame.canGetImgSema ) );
VK_CHECK( vkCreateSemaphore( vkDevice, &semaInfo, 0, &vrtFrame.canPresentSema ) );
vrtFrame.frameData = VkCreateAllocBindBuffer(
bufferSize, VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, arena, vkGpu );
vrtFrame.frameTimer = VkMakeGpuTimer( vkDevice, 1, timestampPeriod );
return vrtFrame;
}
struct swapchain
{
VkSwapchainKHR swapchain;
VkImageView imgViews[ VK_SWAPCHAIN_MAX_IMG_ALLOWED ];
VkImage imgs[ VK_SWAPCHAIN_MAX_IMG_ALLOWED ];
VkFormat imgFormat;
u16 width;
u16 height;
u8 imgCount;
};
// TODO: where to place these ?
extern HINSTANCE hInst;
extern HWND hWnd;
inline static VkSurfaceKHR VkMakeWinSurface( VkInstance vkInst, HINSTANCE hInst, HWND hWnd )
{
#ifdef VK_USE_PLATFORM_WIN32_KHR
VkWin32SurfaceCreateInfoKHR surfInfo = { VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR };
surfInfo.hinstance = hInst;
surfInfo.hwnd = hWnd;
VkSurfaceKHR vkSurf;
VK_CHECK( vkCreateWin32SurfaceKHR( vkInst, &surfInfo, 0, &vkSurf ) );
return vkSurf;
#else
#error Must provide OS specific Surface
#endif // VK_USE_PLATFORM_WIN32_KHR
}
// TODO: sep initial validation form sc creation when resize ?
// TODO: tweak settings/config
// TODO: present from compute and graphics
inline static swapchain
VkMakeSwapchain(
VkDevice vkDevice,
VkPhysicalDevice vkPhysicalDevice,
VkSurfaceKHR vkSurf,
u32 queueFamIdx,
VkFormat scDesiredFormat
) {
VkSurfaceCapabilitiesKHR surfaceCaps;
VK_CHECK( vkGetPhysicalDeviceSurfaceCapabilitiesKHR( vkPhysicalDevice, vkSurf, &surfaceCaps ) );
VkCompositeAlphaFlagBitsKHR surfaceComposite =
( surfaceCaps.supportedCompositeAlpha & VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR )
? VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR
: ( surfaceCaps.supportedCompositeAlpha & VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR )
? VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR
: ( surfaceCaps.supportedCompositeAlpha & VK_COMPOSITE_ALPHA_POST_MULTIPLIED_BIT_KHR )
? VK_COMPOSITE_ALPHA_POST_MULTIPLIED_BIT_KHR
: VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR;
VkSurfaceFormatKHR scFormatAndColSpace = {};
{
u32 formatCount = 0;
VK_CHECK( vkGetPhysicalDeviceSurfaceFormatsKHR( vkPhysicalDevice, vkSurf, &formatCount, 0 ) );
std::vector<VkSurfaceFormatKHR> formats( formatCount );
VK_CHECK( vkGetPhysicalDeviceSurfaceFormatsKHR( vkPhysicalDevice, vkSurf, &formatCount, std::data( formats ) ) );
for( u64 i = 0; i < formatCount; ++i )
if( formats[ i ].format == scDesiredFormat )
{
scFormatAndColSpace = formats[ i ];
break;
}
VK_CHECK( VK_INTERNAL_ERROR( !scFormatAndColSpace.format ) );
}
VkPresentModeKHR presentMode = VkPresentModeKHR( 0 );
{
u32 numPresentModes;
VK_CHECK( vkGetPhysicalDeviceSurfacePresentModesKHR( vkPhysicalDevice, vkSurf, &numPresentModes, 0 ) );
std::vector<VkPresentModeKHR> presentModes( numPresentModes );
VK_CHECK( vkGetPhysicalDeviceSurfacePresentModesKHR( vkPhysicalDevice, vkSurf, &numPresentModes, std::data( presentModes ) ) );
constexpr VkPresentModeKHR desiredPresentMode = VK_PRESENT_MODE_MAILBOX_KHR;
for( u32 j = 0; j < numPresentModes; ++j )
if( presentModes[ j ] == desiredPresentMode )
{
presentMode = desiredPresentMode;
break;
}
VK_CHECK( VK_INTERNAL_ERROR( !presentMode ) );
}
u32 scImgCount = VK_SWAPCHAIN_MAX_IMG_ALLOWED;
assert( ( scImgCount > surfaceCaps.minImageCount ) && ( scImgCount < surfaceCaps.maxImageCount ) );
assert( ( surfaceCaps.currentExtent.width <= surfaceCaps.maxImageExtent.width ) &&
( surfaceCaps.currentExtent.height <= surfaceCaps.maxImageExtent.height ) );
VkImageUsageFlags scImgUsage =
VK_IMAGE_USAGE_TRANSFER_DST_BIT |
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
VK_IMAGE_USAGE_STORAGE_BIT;
VK_CHECK( VK_INTERNAL_ERROR( ( surfaceCaps.supportedUsageFlags & scImgUsage ) != scImgUsage ) );
VkSwapchainCreateInfoKHR scInfo = { VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR };
scInfo.surface = vkSurf;
scInfo.minImageCount = scImgCount;
scInfo.imageFormat = scFormatAndColSpace.format;
scInfo.imageColorSpace = scFormatAndColSpace.colorSpace;
scInfo.imageExtent = surfaceCaps.currentExtent;
assert( surfaceCaps.maxImageArrayLayers >= 1 );
scInfo.imageArrayLayers = 1;
scInfo.imageUsage = scImgUsage;
scInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
scInfo.preTransform = surfaceCaps.currentTransform;
scInfo.compositeAlpha = surfaceComposite;
scInfo.presentMode = presentMode;
scInfo.queueFamilyIndexCount = 1;
scInfo.pQueueFamilyIndices = &queueFamIdx;
scInfo.clipped = VK_TRUE;
scInfo.oldSwapchain = 0;
VkImageFormatProperties scImageProps = {};
VK_CHECK( vkGetPhysicalDeviceImageFormatProperties( vkPhysicalDevice,
scInfo.imageFormat,
VK_IMAGE_TYPE_2D,
VK_IMAGE_TILING_OPTIMAL,
scInfo.imageUsage,
scInfo.flags,
&scImageProps ) );
swapchain sc = {};
VK_CHECK( vkCreateSwapchainKHR( vkDevice, &scInfo, 0, &sc.swapchain ) );
u32 scImgsNum = 0;
VK_CHECK( vkGetSwapchainImagesKHR( vkDevice, sc.swapchain, &scImgsNum, 0 ) );
VK_CHECK( VK_INTERNAL_ERROR( !( scImgsNum == scInfo.minImageCount ) ) );
VK_CHECK( vkGetSwapchainImagesKHR( vkDevice, sc.swapchain, &scImgsNum, sc.imgs ) );
for( u64 i = 0; i < scImgsNum; ++i )
{
sc.imgViews[ i ] = VkMakeImgView( vkDevice, sc.imgs[ i ], scInfo.imageFormat, 0, 1, VK_IMAGE_VIEW_TYPE_2D, 0, 1 );
}
sc.width = scInfo.imageExtent.width;
sc.height = scInfo.imageExtent.height;
sc.imgCount = scInfo.minImageCount;
sc.imgFormat = scInfo.imageFormat;
return sc;
}
static VkSurfaceKHR vkSurf;
static swapchain sc;
// TODO:
struct renderer_config
{
static constexpr u8 MAX_FRAMES_ALLOWED = 2;
VkFormat desiredDepthFormat = VK_FORMAT_D32_SFLOAT;
VkFormat desiredColorFormat = VK_FORMAT_R16G16B16A16_SFLOAT;
u16 renderWidth;
u16 rednerHeight;
u8 maxAllowedFramesInFlight = 2;
};
// TODO: remake
struct render_context
{
VkPipeline gfxPipeline;
VkPipeline gfxMeshletPipeline;
VkPipeline gfxMergedPipeline;
VkPipeline compPipeline;
VkPipeline compHiZPipeline;
VkPipeline compAvgLumPipe;
VkPipeline compTonemapPipe;
VkPipeline compExpanderPipe;
VkPipeline compClusterCullPipe;
VkPipeline compExpMergePipe;
VkSampler quadMinSampler;
VkSampler pbrTexSampler;
VkFormat desiredDepthFormat = VK_FORMAT_D32_SFLOAT;
VkFormat desiredColorFormat = VK_FORMAT_R16G16B16A16_SFLOAT;
vk_gpu_timer vkGpuTimer[ VK_MAX_FRAMES_IN_FLIGHT_ALLOWED ];
virtual_frame vrtFrames[ VK_MAX_FRAMES_IN_FLIGHT_ALLOWED ];
VkSemaphore timelineSema;
u64 vFrameIdx = 0;
u8 framesInFlight = VK_MAX_FRAMES_IN_FLIGHT_ALLOWED;
};
static render_context rndCtx;
#include "r_data_structs.h"
// TODO: tewak ? make own ?
// TODO: provide with own allocators
#define WIN32
#include "spirv_reflect.h"
#undef WIN32
// TODO: rethink
// TODO: cache shader ?
struct vk_shader
{
VkShaderModule module;
std::vector<u8> spvByteCode;
u64 timestamp;
char entryPointName[ 32 ];
};
// TODO: where to place this ?
struct group_size
{
u32 x;
u32 y;
u32 z;
};
// TODO: should make obsolete
// TODO: vk_shader_program ?
// TODO: put shader module inside ?
struct vk_program
{
VkPipelineLayout pipeLayout;
VkDescriptorUpdateTemplate descUpdateTemplate;
VkShaderStageFlags pushConstStages;
VkDescriptorSetLayout descSetLayout;
group_size groupSize;
};
struct vk_descriptor_info
{
union
{
VkDescriptorBufferInfo buff;
VkDescriptorImageInfo img;
};
vk_descriptor_info() = default;
vk_descriptor_info( VkBuffer buff, u64 offset, u64 range ) : buff{ buff, offset, range } {}
vk_descriptor_info( VkDescriptorBufferInfo buffInfo ) : buff{ buffInfo } {}
vk_descriptor_info( VkSampler sampler, VkImageView view, VkImageLayout imgLayout ) : img{ sampler, view, imgLayout } {}
vk_descriptor_info( VkDescriptorImageInfo imgInfo ) : img{ imgInfo } {}
};
// TODO: no indexable samplers ?
constexpr VkDescriptorType globalDescTable[] = {
VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
VK_DESCRIPTOR_TYPE_SAMPLER,
VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
VK_DESCRIPTOR_TYPE_INLINE_UNIFORM_BLOCK_EXT
};
struct vk_global_descriptor
{
VkDescriptorSetLayout setLayout;
VkDescriptorSet set;
};
static vk_global_descriptor globBindlessDesc;
struct vk_slot_info
{
VkDescriptorType type;
u32 slot;
u32 count;
};
using vk_slot_list = std::initializer_list<vk_slot_info>;
inline static VkDescriptorSetLayout VkMakeDescriptorSetLayout(
VkDevice vkDevice,
vk_slot_list bindingList
) {
std::vector<VkDescriptorSetLayoutBinding> bindingEntries;
for( auto& e : bindingList )
{
bindingEntries.push_back( { e.slot, e.type, e.count, VK_SHADER_STAGE_ALL } );
}
constexpr VkDescriptorBindingFlags flag =
VK_DESCRIPTOR_BINDING_UPDATE_UNUSED_WHILE_PENDING_BIT | VK_DESCRIPTOR_BINDING_PARTIALLY_BOUND_BIT;
std::vector<VkDescriptorBindingFlags> flags( std::size( bindingEntries ), flag );
VkDescriptorSetLayoutBindingFlagsCreateInfo descSetFalgs = { VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_BINDING_FLAGS_CREATE_INFO };
descSetFalgs.bindingCount = std::size( flags );
descSetFalgs.pBindingFlags = std::data( flags );
VkDescriptorSetLayoutCreateInfo descSetLayoutInfo = { VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO };
descSetLayoutInfo.pNext = &descSetFalgs;
descSetLayoutInfo.bindingCount = std::size( bindingEntries );
descSetLayoutInfo.pBindings = std::data( bindingEntries );
VkDescriptorSetLayout layout = {};
VK_CHECK( vkCreateDescriptorSetLayout( vkDevice, &descSetLayoutInfo, 0, &layout ) );
return layout;
}
using vk_binding_list = std::initializer_list<std::pair<u32, u32>>;
inline static vk_global_descriptor VkMakeBindlessGlobalDescriptor(
VkDevice vkDevice,
VkDescriptorPool vkDescPool,
vk_binding_list bindingList
) {
std::vector<VkDescriptorSetLayoutBinding> bindingEntries;
for( auto& e : bindingList )
{
bindingEntries.push_back( { e.first, globalDescTable[ e.first ], e.second, VK_SHADER_STAGE_ALL } );
}
constexpr VkDescriptorBindingFlags flag =
VK_DESCRIPTOR_BINDING_UPDATE_UNUSED_WHILE_PENDING_BIT | VK_DESCRIPTOR_BINDING_PARTIALLY_BOUND_BIT;
std::vector<VkDescriptorBindingFlags> flags( std::size( bindingEntries ), flag );
VkDescriptorSetLayoutBindingFlagsCreateInfo descSetFalgs = { VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_BINDING_FLAGS_CREATE_INFO };
descSetFalgs.bindingCount = std::size( flags );
descSetFalgs.pBindingFlags = std::data( flags );
VkDescriptorSetLayoutCreateInfo descSetLayoutInfo = { VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO };
descSetLayoutInfo.pNext = &descSetFalgs;
descSetLayoutInfo.bindingCount = std::size( bindingEntries );
descSetLayoutInfo.pBindings = std::data( bindingEntries );
VkDescriptorSetLayout layout = {};
VK_CHECK( vkCreateDescriptorSetLayout( vkDevice, &descSetLayoutInfo, 0, &layout ) );
VkDescriptorSetAllocateInfo descSetInfo = { VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO };
descSetInfo.descriptorPool = vkDescPool;
descSetInfo.descriptorSetCount = 1;
descSetInfo.pSetLayouts = &layout;
VkDescriptorSet set = {};
VK_CHECK( vkAllocateDescriptorSets( vkDevice, &descSetInfo, &set ) );
return { layout, set };
}
// TODO: keep Vk Descriptor stuff in here ?
struct vk_srv_manager
{
u32 slotSizeTable[ std::size( globalDescTable ) ];
u32 slotsNext[ std::size( globalDescTable ) ];
VkDescriptorSet set;
};
static vk_srv_manager srvManager = {};
// TODO: inline uniforms
// TODO: no templates ?
template<typename T>
inline static VkWriteDescriptorSet
VkWriteDescriptorSetUpdate(
VkDevice vkDevice,
u32 dstBinding,
const T* srvInfos,
u32 srvInfosCount,
vk_srv_manager& srvManager
) {
assert( dstBinding >= 0 && dstBinding < std::size( globalDescTable ) );
u32 dstArrayIdx = srvManager.slotsNext[ dstBinding ];
assert( dstArrayIdx <= srvManager.slotSizeTable[ dstBinding ] );
assert( dstArrayIdx + srvInfosCount <= srvManager.slotSizeTable[ dstBinding ] );
srvManager.slotsNext[ dstBinding ] += srvInfosCount;
VkWriteDescriptorSet descSlotUpdate = { VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET };
descSlotUpdate.dstSet = srvManager.set;
descSlotUpdate.dstBinding = dstBinding;
descSlotUpdate.dstArrayElement = dstArrayIdx;
descSlotUpdate.descriptorCount = srvInfosCount;
descSlotUpdate.descriptorType = globalDescTable[ dstBinding ];
if constexpr( std::is_same<T, VkDescriptorBufferInfo>::value )
{
descSlotUpdate.pBufferInfo = ( const VkDescriptorBufferInfo* ) srvInfos;
}
else if constexpr( std::is_same<T, VkDescriptorImageInfo>::value )
{
descSlotUpdate.pImageInfo = ( const VkDescriptorImageInfo* ) srvInfos;
}
//else static_assert( 0 );
return descSlotUpdate;
}
constexpr VkDescriptorType bindingToTypeMap[] = {
VK_DESCRIPTOR_TYPE_SAMPLER,
VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE
};
constexpr VkDescriptorType VkDescBindingToType( u32 binding )
{
switch( binding )
{
case 0: return VK_DESCRIPTOR_TYPE_SAMPLER;
case 1: return VK_DESCRIPTOR_TYPE_STORAGE_BUFFER;
case 2: return VK_DESCRIPTOR_TYPE_STORAGE_IMAGE;
case 3: return VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE;
}
}
constexpr u32 VkDescTypeToBinding( VkDescriptorType type )
{
switch( type )
{
case VK_DESCRIPTOR_TYPE_SAMPLER: return 0;
case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER: return 1;
case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE: return 2;
case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE: return 3;
default: return INVALID_IDX;
}
}
// TODO: use ring buffers ?
// TODO: better bindingSlot <--> descType mapping
// TODO: internal handling of updates ?
// TODO: return u32 handles instead of raw u16 indices ?
struct vk_descriptor_dealer
{
struct vk_table_entry
{
std::vector<u16> freeSlots;
u16 slotsCount;
u16 usedSlots;
};
vk_table_entry table[ std::size( bindingToTypeMap ) ];
VkDescriptorPool pool;
VkDescriptorSetLayout setLayout;
VkDescriptorSet set;
};
inline vk_descriptor_dealer VkMakeDescriptorDealer( VkDevice vkDevice, const VkPhysicalDeviceProperties& gpuProps )
{
constexpr u32 maxSize = u16( -1 );
constexpr u32 maxSetCount = 1;
u32 descCount[ std::size( bindingToTypeMap ) ] = {
std::min( 8u, gpuProps.limits.maxDescriptorSetSamplers ),
std::min( maxSize, gpuProps.limits.maxDescriptorSetStorageBuffers ),
std::min( maxSize, gpuProps.limits.maxDescriptorSetStorageImages ),
std::min( maxSize, gpuProps.limits.maxDescriptorSetSampledImages )
};
vk_descriptor_dealer dealer = {};