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optimized VKArrayBuffer

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This commit is contained in:
HuYingzhuo(hugo/hyzboy) 2023-03-28 22:24:22 +08:00
parent 05e96c58ba
commit 59b02bcb8c
4 changed files with 33 additions and 25 deletions
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15
inc/hgl/graph/VKArrayBuffer.h
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@ -23,11 +23,10 @@ namespace hgl
VkBufferUsageFlags buffer_usage_flags;
uint item_length; ///<单个数据长度
uint unit_size;
VKMemoryAllocator *vk_ma;
uint32_t offset_alignment;
Collection *coll;
protected:
@ -35,13 +34,17 @@ namespace hgl
void * Map(const uint32 start,const uint32 count);
void Flush(const uint32 count);
private:
GPUArrayBuffer(GPUDevice *dev,const VkBufferUsageFlags &flag,const uint il,const uint us);
friend class GPUDevice;
public:
GPUArrayBuffer(GPUDevice *dev,VkBufferUsageFlags flags,const uint il,VkDescriptorType dt);
virtual ~GPUArrayBuffer();
const uint32_t GetOffsetAlignment()const{return offset_alignment;}
const uint32_t GetUnitSize()const;
const uint32_t GetUnitSize()const{return unit_size;}
DeviceBuffer * GetBuffer();
uint32 Alloc(const uint32 max_count); ///<预分配空间
@ -56,7 +59,7 @@ namespace hgl
if(!ptr)return(false);
ubo_access->Start((uchar *)ptr,offset_alignment,count);
ubo_access->Start((uchar *)ptr,start,count);
return(true);
}

4
inc/hgl/graph/VKDevice.h
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@ -22,6 +22,7 @@ VK_NAMESPACE_BEGIN
class TileData;
class TileFont;
class FontSource;
class GPUArrayBuffer;
/*
* GPU设备创建信息
@ -148,6 +149,9 @@ public: //Buffer相关
#undef CREATE_BUFFER_OBJECT
GPUArrayBuffer *CreateUBO(const VkDeviceSize &uint_size);
GPUArrayBuffer *CreateSSBO(const VkDeviceSize &uint_size);
public: //Image
VkImage CreateImage (VkImageCreateInfo *);

2
inc/hgl/graph/VKMemoryAllocator.h
View File

@ -25,7 +25,7 @@ public:
const uint32_t GetBufferUsageFlagBits ()const{return buffer_usage_flag_bits;}
DeviceBuffer * GetBuffer (){return gpu_buffer;}
DeviceBuffer * GetBuffer (){return gpu_buffer;}
public:

37
src/SceneGraph/Vulkan/VKArrayBuffer.cpp
View File

@ -8,23 +8,13 @@ namespace hgl
{
namespace graph
{
GPUArrayBuffer::GPUArrayBuffer(GPUDevice *dev,VkBufferUsageFlags flags,const uint il,VkDescriptorType dt)
GPUArrayBuffer::GPUArrayBuffer(GPUDevice *dev,const VkBufferUsageFlags &flag,const uint il,const uint us)
{
device=dev;
buffer_usage_flags=flags;
item_length=il;
buffer_usage_flags=flag;
if(dt==VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER
||dt==VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC)
offset_alignment=device->GetUBOAlign();
else
if(dt==VK_DESCRIPTOR_TYPE_STORAGE_BUFFER
||dt==VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC)
offset_alignment=device->GetSSBOAlign();
else
offset_alignment=0;
const uint32_t unit_size=hgl_align<uint32_t>(item_length,offset_alignment);
unit_size=hgl_align<VkDeviceSize>(item_length,us);
vk_ma=new VKMemoryAllocator(device,buffer_usage_flags,unit_size); // construct function is going to set AllocUnitSize by minUniformOffsetAlignment
MemoryBlock *mb=new MemoryBlock(vk_ma);
@ -37,11 +27,6 @@ namespace hgl
delete coll;
}
const uint32_t GPUArrayBuffer::GetUnitSize()const
{
return coll->GetUnitBytes();
}
DeviceBuffer *GPUArrayBuffer::GetBuffer()
{
return vk_ma->GetBuffer();
@ -69,5 +54,21 @@ namespace hgl
{
vk_ma->Flush(count*GetUnitSize());
}
GPUArrayBuffer *GPUDevice::CreateUBO(const VkDeviceSize &uint_size)
{
return(new GPUArrayBuffer( this,
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
uint_size,
GetUBOAlign()));
}
GPUArrayBuffer *GPUDevice::CreateSSBO(const VkDeviceSize &uint_size)
{
return(new GPUArrayBuffer( this,
VK_BUFFER_USAGE_STORAGE_BUFFER_BIT,
uint_size,
GetSSBOAlign()));
}
}//namespace graph
}//namespace hgl