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#include "entities.hpp"
DynArray<EntityType> globalEntityTypes{16};
void EntityType_Init() {
globalEntityTypes.Push(
EntityType {
.modelFile = "assets/models/cube.gltf",
.entityTypeCode = "EntTypeCube",
.entityHandle = ECS_CreateEntity(),
.startingInstanceCount = 16,
.Importer_GLTF = {
.AccessorIndexVertex = 0,
.AccessorIndexNormal = 1,
.AccessorIndexUV = 2,
.AccessorIndexIndex = 3,
}
}
);
long entityTypeCount = globalEntityTypes.Count();
for (long i = 0; i < entityTypeCount; ++i) {
EntityType_Load(globalEntityTypes[i]);
}
}
void EntityType_Load(EntityType &et) {
assert(et.startingInstanceCount > 0);
if (et.modelFile != nullptr && et.modelFile != CAFE_BABE(char)) {
// assert(et.vkPipelineLayoutCreateInfo != nullptr && et.vkPipelineLayoutCreateInfo != CAFE_BABE(VkPipelineLayoutCreateInfo) && "EntityType with a defined model must also contain appropriate Vulkan CreateInfos");
AssetHandle assetHandle{AM_Register(et.modelFile)};
const Asset *asset = AM_Get(assetHandle);
CompGrBinds &grBinds = ECS_CreateGrBinds(et.entityHandle);
// auto vkResult = vkCreatePipelineLayout(vkDevice, et.vkPipelineLayoutCreateInfo, vkAllocator, &grBinds.vkPipelineLayout);
// assert(vkResult == VK_SUCCESS);
// TODO grBinds.vkDescriptorSet
cgltf_options options{};
// TODO allocator
cgltf_data *gltfData = nullptr;
cgltf_result result = cgltf_parse(&options, asset->ptr, asset->size, &gltfData);
assert(result == cgltf_result_success);
// TODO consider using AssetHandler OR loading this directly to the GPU
result = cgltf_load_buffers(&options, gltfData, et.modelFile);
assert(result == cgltf_result_success);
result = cgltf_validate(gltfData);
assert(result == cgltf_result_success);
// make sure cgltf can interpret our model
for (long i = 0; i < gltfData->accessors_count; ++i) {
assert(gltfData->accessors[i].type != cgltf_type_invalid);
}
for (long i = 0; i < gltfData->buffers_count; ++i) {
assert(gltfData->buffer_views[i].type != cgltf_buffer_view_type_invalid);
}
assert(et.Importer_GLTF.AccessorIndexVertex > -1);
VkBufferCreateInfo bufferCI;
bufferCI.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
bufferCI.pNext = nullptr;
bufferCI.flags = {};
bufferCI.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
bufferCI.queueFamilyIndexCount = 1;
bufferCI.pQueueFamilyIndices = &graphicsFamilyIndex;
VkMemoryRequirements vkMemoryRequirements;
if (et.Importer_GLTF.AccessorIndexVertex > -1) {
const auto &acc = gltfData->accessors[et.Importer_GLTF.AccessorIndexVertex];
grBinds.vertexCount = acc.count;
bufferCI.size = acc.buffer_view->size;
bufferCI.usage = VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT;
vkCreateBuffer(vkDevice, &bufferCI, vkAllocator, &grBinds.vertexBuffer);
vkGetBufferMemoryRequirements(vkDevice, grBinds.vertexBuffer, &vkMemoryRequirements);
}
if (et.Importer_GLTF.AccessorIndexNormal > -1) {
const auto &acc = gltfData->accessors[et.Importer_GLTF.AccessorIndexNormal];
grBinds.normalsCount = acc.count;
bufferCI.size = acc.buffer_view->size;
vkCreateBuffer(vkDevice, &bufferCI, vkAllocator, &grBinds.normalsBuffer);
VkMemoryRequirements vkMemoryRequirementsNormals;
vkGetBufferMemoryRequirements(vkDevice, grBinds.normalsBuffer, &vkMemoryRequirementsNormals);
vkMemoryRequirements.memoryTypeBits |= vkMemoryRequirementsNormals.memoryTypeBits;
vkMemoryRequirements.size += vkMemoryRequirementsNormals.size;
assert(vkMemoryRequirementsNormals.alignment == vkMemoryRequirements.alignment);
}
if (et.Importer_GLTF.AccessorIndexUV > -1) {
const auto &acc = gltfData->accessors[et.Importer_GLTF.AccessorIndexUV];
grBinds.uvCount = acc.count;
bufferCI.size = acc.buffer_view->size;
vkCreateBuffer(vkDevice, &bufferCI, vkAllocator, &grBinds.uvBuffer);
VkMemoryRequirements vkMemoryRequirementsUV;
vkGetBufferMemoryRequirements(vkDevice, grBinds.uvBuffer, &vkMemoryRequirementsUV);
vkMemoryRequirements.memoryTypeBits |= vkMemoryRequirementsUV.memoryTypeBits;
vkMemoryRequirements.size += vkMemoryRequirementsUV.size;
assert(vkMemoryRequirementsUV.alignment == vkMemoryRequirements.alignment);
}
if (et.Importer_GLTF.AccessorIndexIndex > -1) {
const auto &acc = gltfData->accessors[et.Importer_GLTF.AccessorIndexIndex];
grBinds.indexCount = acc.count;
bufferCI.size = acc.buffer_view->size;
bufferCI.usage = VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT;
vkCreateBuffer(vkDevice, &bufferCI, vkAllocator, &grBinds.indexBuffer);
VkMemoryRequirements vkMemoryRequirementsIndex;
vkGetBufferMemoryRequirements(vkDevice, grBinds.indexBuffer, &vkMemoryRequirementsIndex);
vkMemoryRequirements.memoryTypeBits |= vkMemoryRequirementsIndex.memoryTypeBits;
vkMemoryRequirements.size += vkMemoryRequirementsIndex.size;
assert(vkMemoryRequirementsIndex.alignment == vkMemoryRequirements.alignment);
}
// create VkDeviceMemory
VkMemoryAllocateInfo vkMemoryAllocateInfo;
vkMemoryAllocateInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
vkMemoryAllocateInfo.pNext = nullptr;
vkMemoryAllocateInfo.allocationSize = vkMemoryRequirements.size;
vkMemoryAllocateInfo.memoryTypeIndex = FindMemoryTypeIndex(vkMemoryRequirements.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
vkAllocateMemory(vkDevice, &vkMemoryAllocateInfo, vkAllocator, &grBinds.deviceMemoryVert);
// bind buffers
if (et.Importer_GLTF.AccessorIndexVertex > -1) {
const auto &acc = gltfData->accessors[et.Importer_GLTF.AccessorIndexVertex];
assert(acc.buffer_view->offset % vkMemoryRequirements.alignment == 0);
vkBindBufferMemory(vkDevice, grBinds.vertexBuffer, grBinds.deviceMemoryVert, acc.buffer_view->offset);
}
if (et.Importer_GLTF.AccessorIndexNormal > -1) {
const auto &acc = gltfData->accessors[et.Importer_GLTF.AccessorIndexNormal];
assert(acc.buffer_view->offset % vkMemoryRequirements.alignment == 0);
vkBindBufferMemory(vkDevice, grBinds.normalsBuffer, grBinds.deviceMemoryVert, acc.buffer_view->offset);
}
if (et.Importer_GLTF.AccessorIndexUV > -1) {
const auto &acc = gltfData->accessors[et.Importer_GLTF.AccessorIndexUV];
assert(acc.buffer_view->offset % vkMemoryRequirements.alignment == 0);
vkBindBufferMemory(vkDevice, grBinds.uvBuffer , grBinds.deviceMemoryVert, acc.buffer_view->offset);
}
if (et.Importer_GLTF.AccessorIndexIndex > -1) {
const auto &acc = gltfData->accessors[et.Importer_GLTF.AccessorIndexIndex];
assert(acc.buffer_view->offset % vkMemoryRequirements.alignment == 0);
vkBindBufferMemory(vkDevice, grBinds.indexBuffer, grBinds.deviceMemoryVert, acc.buffer_view->offset);
}
// create transfer items && transfer
{
// reminder that we don't need to do instance here, because we're just
// setting up the type. No instances have been created yet.
VkDeviceMemory transferDeviceMemory;
VkBuffer transferBuffer;
VkMemoryRequirements vkMemoryRequirementsTransfer;
bufferCI.size = vkMemoryRequirements.size;
bufferCI.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
vkCreateBuffer(vkDevice, &bufferCI, vkAllocator, &transferBuffer);
vkGetBufferMemoryRequirements(vkDevice, transferBuffer, &vkMemoryRequirementsTransfer);
vkMemoryAllocateInfo.memoryTypeIndex = FindMemoryTypeIndex(vkMemoryRequirementsTransfer.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_COHERENT_BIT | VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
// note, this should be identical (other than memory type) to the dst buffer
vkAllocateMemory(vkDevice, &vkMemoryAllocateInfo, vkAllocator, &transferDeviceMemory);
vkBindBufferMemory(vkDevice, transferBuffer, transferDeviceMemory, 0);
void *data;
vkMapMemory(vkDevice, transferDeviceMemory, 0, gltfData->buffers[0].size, 0, &data);
memcpy(data, gltfData->buffers[0].data, gltfData->buffers[0].size);
vkUnmapMemory(vkDevice, transferDeviceMemory);
VkCommandBufferBeginInfo vkCommandBufferBeginInfo;
vkCommandBufferBeginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
vkCommandBufferBeginInfo.pNext = nullptr;
// TODO consider single-use?
vkCommandBufferBeginInfo.flags = 0;
vkCommandBufferBeginInfo.pInheritanceInfo = nullptr;
vkBeginCommandBuffer(transferCommandBuffer, &vkCommandBufferBeginInfo);
VkBufferCopy bufferCopys[4];
for (long i = 0; i < 4; ++i) {
bufferCopys[i].dstOffset = 0;
}
long index = 0;
if (et.Importer_GLTF.AccessorIndexVertex > -1) {
const auto &acc = gltfData->accessors[et.Importer_GLTF.AccessorIndexVertex];
bufferCopys[index].srcOffset = acc.buffer_view->offset;
bufferCopys[index].size = acc.buffer_view->size;
vkCmdCopyBuffer(transferCommandBuffer, transferBuffer, grBinds.vertexBuffer, 1, &bufferCopys[index]);
index += 1;
}
if (et.Importer_GLTF.AccessorIndexNormal > -1) {
const auto &acc = gltfData->accessors[et.Importer_GLTF.AccessorIndexNormal];
bufferCopys[index].srcOffset = acc.buffer_view->offset;
bufferCopys[index].size = acc.buffer_view->size;
vkCmdCopyBuffer(transferCommandBuffer, transferBuffer, grBinds.normalsBuffer, 1, &bufferCopys[index]);
index += 1;
}
if (et.Importer_GLTF.AccessorIndexUV > -1) {
const auto &acc = gltfData->accessors[et.Importer_GLTF.AccessorIndexUV];
bufferCopys[index].srcOffset = acc.buffer_view->offset;
bufferCopys[index].size = acc.buffer_view->size;
vkCmdCopyBuffer(transferCommandBuffer, transferBuffer, grBinds.uvBuffer, 1, &bufferCopys[index]);
index += 1;
}
if (et.Importer_GLTF.AccessorIndexIndex > -1) {
const auto &acc = gltfData->accessors[et.Importer_GLTF.AccessorIndexIndex];
bufferCopys[index].srcOffset = acc.buffer_view->offset;
bufferCopys[index].size = acc.buffer_view->size;
vkCmdCopyBuffer(transferCommandBuffer, transferBuffer, grBinds.indexBuffer, 1, &bufferCopys[index]);
}
vkEndCommandBuffer(transferCommandBuffer);
VkSubmitInfo submitInfo{};
submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submitInfo.pNext = nullptr;
submitInfo.waitSemaphoreCount = 0;
submitInfo.pWaitSemaphores = nullptr;
submitInfo.pWaitDstStageMask = nullptr;
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &transferCommandBuffer;
submitInfo.signalSemaphoreCount = 0;
submitInfo.pSignalSemaphores = nullptr;
vkQueueSubmit(transferQueue, 1, &submitInfo, nullptr);
vkQueueWaitIdle(transferQueue);
vkDestroyBuffer(vkDevice, transferBuffer, vkAllocator);
vkFreeMemory(vkDevice, transferDeviceMemory, vkAllocator);
}
// set up instance buffer
bufferCI.size = sizeof(InstPos) * et.startingInstanceCount;
bufferCI.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT;
vkCreateBuffer(vkDevice, &bufferCI, vkAllocator, &grBinds.instanceBuffer);
VkMemoryRequirements vkMemoryRequirementsInst;
vkGetBufferMemoryRequirements(vkDevice, grBinds.instanceBuffer, &vkMemoryRequirementsInst);
vkMemoryAllocateInfo.allocationSize = vkMemoryRequirementsInst.size;
vkMemoryAllocateInfo.memoryTypeIndex = FindMemoryTypeIndex(vkMemoryRequirementsInst.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
vkAllocateMemory(vkDevice, &vkMemoryAllocateInfo, vkAllocator, &grBinds.deviceMemoryInst);
vkBindBufferMemory(vkDevice, grBinds.instanceBuffer, grBinds.deviceMemoryInst, 0);
// cleanup
cgltf_free(gltfData);
}
}
void EntityType_Teardown() {
long entityTypeCount = globalEntityTypes.Count();
for (long i = 0; i < entityTypeCount; ++i) {
if (globalEntityTypes[i].modelFile == nullptr) continue;
auto *grBinds = ECS_GetGrBinds(globalEntityTypes[i].entityHandle);
vkDestroyPipelineLayout(vkDevice, grBinds->vkPipelineLayout, vkAllocator);
if (grBinds->vertexBuffer != VK_NULL_HANDLE)
vkDestroyBuffer(vkDevice, grBinds->vertexBuffer, vkAllocator);
if (grBinds->normalsBuffer != VK_NULL_HANDLE)
vkDestroyBuffer(vkDevice, grBinds->normalsBuffer, vkAllocator);
if (grBinds->uvBuffer != VK_NULL_HANDLE)
vkDestroyBuffer(vkDevice, grBinds->uvBuffer, vkAllocator);
if (grBinds->indexBuffer != VK_NULL_HANDLE)
vkDestroyBuffer(vkDevice, grBinds->indexBuffer, vkAllocator);
if (grBinds->instanceBuffer != VK_NULL_HANDLE)
vkDestroyBuffer(vkDevice, grBinds->instanceBuffer, vkAllocator);
if (grBinds->deviceMemoryInst != VK_NULL_HANDLE)
vkFreeMemory(vkDevice, grBinds->deviceMemoryInst, vkAllocator);
if (grBinds->deviceMemoryVert != VK_NULL_HANDLE)
vkFreeMemory(vkDevice, grBinds->deviceMemoryVert, vkAllocator);
}
}
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