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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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37
src/SceneGraph/Vulkan/VKArrayBuffer.cpp
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@@ -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