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supported SSBAlign in ArrayBuffer

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This commit is contained in:
HuYingzhuo(hugo/hyzboy)
2023-03-24 22:14:05 +08:00
parent 8363275b36
commit 19a20411d8
4 changed files with 20 additions and 6 deletions
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14
src/SceneGraph/Vulkan/VKArrayBuffer.cpp
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@@ -8,15 +8,23 @@ namespace hgl
{
namespace graph
{
GPUArrayBuffer::GPUArrayBuffer(GPUDevice *dev,VkBufferUsageFlags flags,const uint il)
GPUArrayBuffer::GPUArrayBuffer(GPUDevice *dev,VkBufferUsageFlags flags,const uint il,VkDescriptorType dt)
{
device=dev;
buffer_usage_flags=flags;
item_length=il;
ubo_offset_alignment=device->GetUBOAlign();
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,ubo_offset_alignment);
const uint32_t unit_size=hgl_align<uint32_t>(item_length,offset_alignment);
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);

5
src/SceneGraph/Vulkan/VKDeviceBuffer.cpp
View File

@@ -9,6 +9,11 @@ const VkDeviceSize GPUDevice::GetUBOAlign()
return attr->physical_device->GetUBOAlign();
}
const VkDeviceSize GPUDevice::GetSSBOAlign()
{
return attr->physical_device->GetSSBOAlign();
}
bool GPUDevice::CreateBuffer(DeviceBufferData *buf,VkBufferUsageFlags buf_usage,VkDeviceSize range,VkDeviceSize size,const void *data,SharingMode sharing_mode)
{
BufferCreateInfo buf_info;