Files
funnygame/materialsystem/vulkan/commandbuffer.cpp
2025-12-14 22:46:45 +02:00

180 lines
4.3 KiB
C++

#include "materialsystem/imaterialsystem.h"
#include "tier0/platform.h"
#include "tier1/interface.h"
#include "tier1/utlvector.h"
#include "vulkan_state.h"
CUtlVector<VkCommandBuffer> g_vkCommandBuffers;
IVkCommandBufferManager *g_pCommandBufferManager;
class CVkCommandBuffer: public IVkCommandBuffer
{
public:
virtual void AddCommand( CVkCommand *pCommand ) override;
virtual void Reset() override;
virtual void Submit( int iFrameIndex ) override;
virtual void Render() override;
private:
void SortDependencies();
void TryBarrier();
VulkanCommandDepenency_t *FindLastObjectDependency( IRenderingObject *pObject );
CUtlSelfReferencingVector<CVkCommand*> m_commands;
CUtlVector<VkCommandBuffer> m_hBuffers = NULL;
CUtlVector<VulkanCommandDepenency_t> m_usedDependencies;
};
void CVkCommandBuffer::Reset()
{
VkCommandBufferAllocateInfo commandBufferAllocInfo = {};
int i = 0;
m_hBuffers = {};
m_hBuffers.Resize(g_vkCommandPools.GetSize());
for ( auto pool: g_vkCommandPools)
{
commandBufferAllocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
commandBufferAllocInfo.commandPool = pool;
commandBufferAllocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
commandBufferAllocInfo.commandBufferCount = 1;
vkAllocateCommandBuffers(g_vkDevice, &commandBufferAllocInfo, &m_hBuffers[i]);
i++;
}
m_commands = {};
}
void CVkCommandBuffer::AddCommand( CVkCommand *pCommand )
{
m_commands.AppendTail(pCommand);
}
void CVkCommandBuffer::Submit( int iFrameIndex )
{
g_vkCommandBuffers.AppendTail(m_hBuffers[iFrameIndex]);
};
struct VulkanBarrierObjects_t
{
VulkanCommandDepenency_t m_dependency;
};
void CVkCommandBuffer::Render()
{
uint32_t nNumDependencies;
int i = 0;
for (auto hBuffer: m_hBuffers)
{
VkCommandBufferBeginInfo stCommandBufferBeginInfo = {};
stCommandBufferBeginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
vkBeginCommandBuffer(hBuffer, &stCommandBufferBeginInfo);
for (auto &pCommand: m_commands)
{
TryBarrier();
pCommand->Execute(hBuffer, i);
};
vkEndCommandBuffer(hBuffer);
i++;
}
}
struct VulkanCommandBarrier_t
{
EDependencyMode m_eOldDependency;
EDependencyMode m_eNewDependency;
IRenderingObject *m_pObject;
};
void CVkCommandBuffer::SortDependencies()
{
}
void CVkCommandBuffer::TryBarrier()
{
CUtlVector<VulkanCommandBarrier_t> barriers;
for (auto &pCommand: m_commands)
{
for ( auto dependency: pCommand->m_depedencies)
{
VulkanCommandDepenency_t *pLastDependency = FindLastObjectDependency(dependency.m_pObject);
}
}
};
VulkanCommandDepenency_t *CVkCommandBuffer::FindLastObjectDependency( IRenderingObject *pObject )
{
VulkanCommandDepenency_t *pDependency = NULL;
for ( auto &dependency: m_usedDependencies )
{
if ( dependency.m_pObject == pObject )
pDependency = &dependency;
}
return pDependency;
}
class CVkCommandBufferManager: public IVkCommandBufferManager
{
public:
virtual void Init() override;
virtual void Shutdown() override;
virtual IVkCommandBuffer *CreateCommandBuffer() override;
virtual CVkCommand *CreateCommand( const char *szName ) override;
};
EXPOSE_INTERFACE(CVkCommandBufferManager, IVkCommandBufferManager, VULKAN_COMMAND_BUFFER_MANAGER_INTERFACE_NAME);
void CVkCommandBufferManager::Init()
{
}
void CVkCommandBufferManager::Shutdown()
{
}
IVkCommandBuffer *CVkCommandBufferManager::CreateCommandBuffer()
{
return new CVkCommandBuffer;
}
struct VulkanCommandRegistry_t
{
const char *m_szName;
fnCreateVulkanCommand_t m_pfnCreate;
struct VulkanCommandRegistry_t *m_pNext;
} *s_pVulkanCommands = NULL;
CVkCommand *CVkCommandBufferManager::CreateCommand( const char *szName )
{
VulkanCommandRegistry_t *pCommand;
for ( pCommand = s_pVulkanCommands; pCommand; pCommand = pCommand->m_pNext )
{
if (!V_strcmp(pCommand->m_szName, szName))
return pCommand->m_pfnCreate();
}
Plat_FatalErrorFunc("Command %s not found\n", szName);
return NULL;
}
CVkCommandRegistry::CVkCommandRegistry( const char *szName, fnCreateVulkanCommand_t pfnCreate )
{
VulkanCommandRegistry_t *pCommand = new VulkanCommandRegistry_t;
pCommand->m_szName = szName;
pCommand->m_pfnCreate = pfnCreate;
pCommand->m_pNext = s_pVulkanCommands;
s_pVulkanCommands = pCommand;
}
void CVkCommand::AddDependency( IRenderingObject *pObject, EDependencyMode eDependencyMode )
{
m_depedencies.AppendTail({ pObject, eDependencyMode });
}