Files
Seele/src/Engine/Graphics/StaticMeshVertexData.cpp
T
2024-08-07 21:19:33 +02:00

314 lines
11 KiB
C++

#include "StaticMeshVertexData.h"
#include "Graphics.h"
#include "Graphics/Enums.h"
#include "Mesh.h"
#include <fstream>
using namespace Seele;
extern List<VertexData*> vertexDataList;
StaticMeshVertexData::StaticMeshVertexData() { vertexDataList.add(this); }
StaticMeshVertexData::~StaticMeshVertexData() {}
StaticMeshVertexData* StaticMeshVertexData::getInstance() {
static StaticMeshVertexData instance;
return &instance;
}
void StaticMeshVertexData::loadPositions(uint64 offset, const Array<Vector4>& data) {
if (swappedOut) {
swapIn();
}
assert(offset + data.size() <= head);
std::memcpy(positionData.data() + offset, data.data(), data.size() * sizeof(Vector4));
dirty = true;
}
void StaticMeshVertexData::loadTexCoords(uint64 offset, uint64 index, const Array<Vector2>& data) {
if (swappedOut) {
swapIn();
}
assert(offset + data.size() <= head);
std::memcpy(texCoordsData[index].data() + offset, data.data(), data.size() * sizeof(Vector2));
dirty = true;
}
void StaticMeshVertexData::loadNormals(uint64 offset, const Array<Vector4>& data) {
if (swappedOut) {
swapIn();
}
assert(offset + data.size() <= head);
std::memcpy(normalData.data() + offset, data.data(), data.size() * sizeof(Vector4));
dirty = true;
}
void StaticMeshVertexData::loadTangents(uint64 offset, const Array<Vector4>& data) {
if (swappedOut) {
swapIn();
}
assert(offset + data.size() <= head);
std::memcpy(tangentData.data() + offset, data.data(), data.size() * sizeof(Vector4));
dirty = true;
}
void StaticMeshVertexData::loadBiTangents(uint64 offset, const Array<Vector4>& data) {
if (swappedOut) {
swapIn();
}
assert(offset + data.size() <= head);
std::memcpy(biTangentData.data() + offset, data.data(), data.size() * sizeof(Vector4));
dirty = true;
}
void Seele::StaticMeshVertexData::loadColors(uint64 offset, const Array<Vector4>& data) {
if (swappedOut) {
swapIn();
}
assert(offset + data.size() <= head);
std::memcpy(colorData.data() + offset, data.data(), data.size() * sizeof(Vector4));
dirty = true;
}
void StaticMeshVertexData::serializeMesh(MeshId id, uint64 numVertices, ArchiveBuffer& buffer) {
VertexData::serializeMesh(id, numVertices, buffer);
uint64 offset;
{
std::unique_lock l(vertexDataLock);
offset = meshOffsets[id];
}
Array<Vector4> pos(numVertices);
Array<Vector2> tex[MAX_TEXCOORDS];
for (size_t i = 0; i < MAX_TEXCOORDS; ++i) {
tex[i].resize(numVertices);
std::memcpy(tex[i].data(), texCoordsData[i].data() + offset, numVertices * sizeof(Vector2));
Serialization::save(buffer, tex[i]);
}
Array<Vector4> nor(numVertices);
Array<Vector4> tan(numVertices);
Array<Vector4> bit(numVertices);
Array<Vector4> col(numVertices);
std::memcpy(pos.data(), positionData.data() + offset, numVertices * sizeof(Vector4));
std::memcpy(nor.data(), normalData.data() + offset, numVertices * sizeof(Vector4));
std::memcpy(tan.data(), tangentData.data() + offset, numVertices * sizeof(Vector4));
std::memcpy(bit.data(), biTangentData.data() + offset, numVertices * sizeof(Vector4));
std::memcpy(col.data(), colorData.data() + offset, numVertices * sizeof(Vector4));
Serialization::save(buffer, pos);
Serialization::save(buffer, nor);
Serialization::save(buffer, tan);
Serialization::save(buffer, bit);
Serialization::save(buffer, col);
}
uint64 StaticMeshVertexData::deserializeMesh(MeshId id, ArchiveBuffer& buffer) {
uint64 result = VertexData::deserializeMesh(id, buffer);
uint64 offset;
{
std::unique_lock l(vertexDataLock);
offset = meshOffsets[id];
}
Array<Vector4> pos;
Array<Vector2> tex[MAX_TEXCOORDS];
for (size_t i = 0; i < MAX_TEXCOORDS; ++i) {
Serialization::load(buffer, tex[i]);
loadTexCoords(offset, i, tex[i]);
result += tex[i].size() * sizeof(Vector2);
}
Array<Vector4> nor;
Array<Vector4> tan;
Array<Vector4> bit;
Array<Vector4> col;
Serialization::load(buffer, pos);
Serialization::load(buffer, nor);
Serialization::load(buffer, tan);
Serialization::load(buffer, bit);
Serialization::load(buffer, col);
loadPositions(offset, pos);
loadNormals(offset, nor);
loadTangents(offset, tan);
loadBiTangents(offset, bit);
loadColors(offset, col);
result += pos.size() * sizeof(Vector4);
result += nor.size() * sizeof(Vector4);
result += tan.size() * sizeof(Vector4);
result += bit.size() * sizeof(Vector4);
result += col.size() * sizeof(Vector4);
return result;
}
void StaticMeshVertexData::init(Gfx::PGraphics _graphics) {
VertexData::init(_graphics);
descriptorLayout = _graphics->createDescriptorLayout("pVertexData");
descriptorLayout->addDescriptorBinding(Gfx::DescriptorBinding{.binding = 0, .descriptorType = Gfx::SE_DESCRIPTOR_TYPE_STORAGE_BUFFER});
descriptorLayout->addDescriptorBinding(Gfx::DescriptorBinding{.binding = 1, .descriptorType = Gfx::SE_DESCRIPTOR_TYPE_STORAGE_BUFFER});
descriptorLayout->addDescriptorBinding(Gfx::DescriptorBinding{.binding = 2, .descriptorType = Gfx::SE_DESCRIPTOR_TYPE_STORAGE_BUFFER});
descriptorLayout->addDescriptorBinding(Gfx::DescriptorBinding{.binding = 3, .descriptorType = Gfx::SE_DESCRIPTOR_TYPE_STORAGE_BUFFER});
descriptorLayout->addDescriptorBinding(Gfx::DescriptorBinding{.binding = 4, .descriptorType = Gfx::SE_DESCRIPTOR_TYPE_STORAGE_BUFFER});
descriptorLayout->addDescriptorBinding(Gfx::DescriptorBinding{
.binding = 5,
.descriptorType = Gfx::SE_DESCRIPTOR_TYPE_STORAGE_BUFFER,
.descriptorCount = MAX_TEXCOORDS,
});
descriptorLayout->create();
descriptorSet = descriptorLayout->allocateDescriptorSet();
}
void StaticMeshVertexData::destroy() {
VertexData::destroy();
positions = nullptr;
for (size_t i = 0; i < MAX_TEXCOORDS; ++i) {
texCoords[i] = nullptr;
}
normals = nullptr;
tangents = nullptr;
biTangents = nullptr;
colors = nullptr;
descriptorSet = nullptr;
descriptorLayout = nullptr;
}
void StaticMeshVertexData::bindBuffers(Gfx::PRenderCommand) {
// TODO: for legacy vertex buffer binding
}
Gfx::PDescriptorLayout StaticMeshVertexData::getVertexDataLayout() { return descriptorLayout; }
Gfx::PDescriptorSet StaticMeshVertexData::getVertexDataSet() { return descriptorSet; }
void StaticMeshVertexData::resizeBuffers() {
ShaderBufferCreateInfo createInfo = {
.sourceData =
{
.size = verticesAllocated * sizeof(Vector4),
},
.numElements = verticesAllocated,
.dynamic = false,
.vertexBuffer = true,
.name = "Positions",
};
positions = graphics->createShaderBuffer(createInfo);
createInfo.vertexBuffer = false;
createInfo.name = "Normals";
normals = graphics->createShaderBuffer(createInfo);
createInfo.name = "Tangents";
tangents = graphics->createShaderBuffer(createInfo);
createInfo.name = "BiTangents";
biTangents = graphics->createShaderBuffer(createInfo);
createInfo.name = "Colors";
colors = graphics->createShaderBuffer(createInfo);
createInfo.sourceData.size = verticesAllocated * sizeof(Vector2);
createInfo.name = "TexCoords";
for (size_t i = 0; i < MAX_TEXCOORDS; ++i) {
texCoords[i] = graphics->createShaderBuffer(createInfo);
texCoordsData[i].resize(verticesAllocated);
}
positionData.resize(verticesAllocated);
normalData.resize(verticesAllocated);
tangentData.resize(verticesAllocated);
biTangentData.resize(verticesAllocated);
colorData.resize(verticesAllocated);
}
void StaticMeshVertexData::updateBuffers() {
positions->updateContents(ShaderBufferCreateInfo{
.sourceData{
.size = positionData.size() * sizeof(Vector4),
.data = (uint8*)positionData.data(),
},
.numElements = positionData.size(),
});
for (size_t i = 0; i < MAX_TEXCOORDS; ++i) {
texCoords[i]->updateContents(ShaderBufferCreateInfo{
.sourceData =
{
.size = texCoordsData[i].size() * sizeof(Vector2),
.data = (uint8*)texCoordsData[i].data(),
},
.numElements = texCoordsData[i].size(),
});
}
normals->updateContents(ShaderBufferCreateInfo{
.sourceData =
{
.size = normalData.size() * sizeof(Vector4),
.data = (uint8*)normalData.data(),
},
.numElements = normalData.size(),
});
tangents->updateContents(ShaderBufferCreateInfo{
.sourceData =
{
.size = tangentData.size() * sizeof(Vector4),
.data = (uint8*)tangentData.data(),
},
.numElements = tangentData.size(),
});
biTangents->updateContents(ShaderBufferCreateInfo{
.sourceData =
{
.size = biTangentData.size() * sizeof(Vector4),
.data = (uint8*)biTangentData.data(),
},
.numElements = biTangentData.size(),
});
colors->updateContents(ShaderBufferCreateInfo{
.sourceData =
{
.size = colorData.size() * sizeof(Vector4),
.data = (uint8*)colorData.data(),
},
.numElements = colorData.size(),
});
// we just updated the GPU buffers, might not change that for a while
swapOut();
descriptorLayout->reset();
descriptorSet = descriptorLayout->allocateDescriptorSet();
descriptorSet->updateBuffer(0, positions);
descriptorSet->updateBuffer(1, normals);
descriptorSet->updateBuffer(2, tangents);
descriptorSet->updateBuffer(3, biTangents);
descriptorSet->updateBuffer(4, colors);
for (size_t i = 0; i < MAX_TEXCOORDS; ++i) {
descriptorSet->updateBuffer(5, i, texCoords[i]);
}
descriptorSet->writeChanges();
}
void StaticMeshVertexData::swapOut() {
ArchiveBuffer buf;
Serialization::save(buf, positionData);
positionData.clear();
Serialization::save(buf, normalData);
normalData.clear();
Serialization::save(buf, tangentData);
tangentData.clear();
Serialization::save(buf, biTangentData);
biTangentData.clear();
Serialization::save(buf, colorData);
colorData.clear();
for (size_t i = 0; i < MAX_TEXCOORDS; ++i) {
Serialization::save(buf, texCoordsData[i]);
texCoordsData[i].clear();
}
std::ofstream str("vertex", std::ios::binary);
buf.writeToStream(str);
swappedOut = true;
}
void StaticMeshVertexData::swapIn() {
ArchiveBuffer buf;
std::ifstream str("vertex", std::ios::binary);
buf.readFromStream(str);
Serialization::load(buf, positionData);
Serialization::load(buf, normalData);
Serialization::load(buf, tangentData);
Serialization::load(buf, biTangentData);
Serialization::load(buf, colorData);
for (size_t i = 0; i < MAX_TEXCOORDS; ++i) {
Serialization::load(buf, texCoordsData[i]);
}
swappedOut = false;
}