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Now copying vertex and index buffers to GPUs

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Kearwood Gilbert
2022-01-22 01:58:06 -08:00
parent 100ab0d3de
commit 227a2acaf4
1 changed files with 15 additions and 0 deletions
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15
kraken/KRMeshManager.cpp
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@@ -594,19 +594,34 @@ void KRMeshManager::KRVBOData::load()
VmaAllocator allocator = device.getAllocator(); VmaAllocator allocator = device.getAllocator();
// TODO - Use staging buffers
VkBufferCreateInfo bufferInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; VkBufferCreateInfo bufferInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO };
bufferInfo.size = m_data->getSize(); bufferInfo.size = m_data->getSize();
bufferInfo.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; bufferInfo.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT;
VmaAllocationCreateInfo allocInfo = {}; VmaAllocationCreateInfo allocInfo = {};
allocInfo.usage = VMA_MEMORY_USAGE_GPU_ONLY; allocInfo.usage = VMA_MEMORY_USAGE_GPU_ONLY;
allocInfo.requiredFlags = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT;
VkResult res = vmaCreateBuffer(allocator, &bufferInfo, &allocInfo, &allocation.vertex_buffer, &allocation.vertex_allocation, nullptr); VkResult res = vmaCreateBuffer(allocator, &bufferInfo, &allocInfo, &allocation.vertex_buffer, &allocation.vertex_allocation, nullptr);
void* mappedData = nullptr;
m_data->lock();
vmaMapMemory(allocator, allocation.vertex_allocation, &mappedData);
memcpy(mappedData, m_data->getStart(), m_data->getSize());
vmaUnmapMemory(allocator, allocation.vertex_allocation);
m_data->unlock();
if (m_index_data->getSize() > 0) { if (m_index_data->getSize() > 0) {
bufferInfo.size = m_index_data->getSize(); bufferInfo.size = m_index_data->getSize();
bufferInfo.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; bufferInfo.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT;
res = vmaCreateBuffer(allocator, &bufferInfo, &allocInfo, &allocation.index_buffer, &allocation.index_allocation, nullptr); res = vmaCreateBuffer(allocator, &bufferInfo, &allocInfo, &allocation.index_buffer, &allocation.index_allocation, nullptr);
mappedData = nullptr;
m_index_data->lock();
vmaMapMemory(allocator, allocation.index_allocation, &mappedData);
memcpy(mappedData, m_index_data->getStart(), m_index_data->getSize());
vmaUnmapMemory(allocator, allocation.index_allocation);
m_index_data->unlock();
} }
} }