Skip to content
Permalink
master
Switch branches/tags
Go to file
 
 
Cannot retrieve contributors at this time
#include "wiScene.h"
#include "wiTextureHelper.h"
#include "wiResourceManager.h"
#include "wiPhysics.h"
#include "wiArchive.h"
#include "wiRenderer.h"
#include "wiJobSystem.h"
#include "wiSpinLock.h"
#include "wiHelper.h"
#include "wiRenderer.h"
#include "wiBacklog.h"
#include "wiTimer.h"
#include "wiUnorderedMap.h"
#include "shaders/ShaderInterop_SurfelGI.h"
#include "shaders/ShaderInterop_DDGI.h"
using namespace wi::ecs;
using namespace wi::enums;
using namespace wi::graphics;
using namespace wi::primitive;
namespace wi::scene
{
XMFLOAT3 TransformComponent::GetPosition() const
{
return *((XMFLOAT3*)&world._41);
}
XMFLOAT4 TransformComponent::GetRotation() const
{
XMFLOAT4 rotation;
XMStoreFloat4(&rotation, GetRotationV());
return rotation;
}
XMFLOAT3 TransformComponent::GetScale() const
{
XMFLOAT3 scale;
XMStoreFloat3(&scale, GetScaleV());
return scale;
}
XMVECTOR TransformComponent::GetPositionV() const
{
return XMLoadFloat3((XMFLOAT3*)&world._41);
}
XMVECTOR TransformComponent::GetRotationV() const
{
XMVECTOR S, R, T;
XMMatrixDecompose(&S, &R, &T, XMLoadFloat4x4(&world));
return R;
}
XMVECTOR TransformComponent::GetScaleV() const
{
XMVECTOR S, R, T;
XMMatrixDecompose(&S, &R, &T, XMLoadFloat4x4(&world));
return S;
}
XMMATRIX TransformComponent::GetLocalMatrix() const
{
XMVECTOR S_local = XMLoadFloat3(&scale_local);
XMVECTOR R_local = XMLoadFloat4(&rotation_local);
XMVECTOR T_local = XMLoadFloat3(&translation_local);
return
XMMatrixScalingFromVector(S_local) *
XMMatrixRotationQuaternion(R_local) *
XMMatrixTranslationFromVector(T_local);
}
void TransformComponent::UpdateTransform()
{
if (IsDirty())
{
SetDirty(false);
XMStoreFloat4x4(&world, GetLocalMatrix());
}
}
void TransformComponent::UpdateTransform_Parented(const TransformComponent& parent)
{
XMMATRIX W = GetLocalMatrix();
XMMATRIX W_parent = XMLoadFloat4x4(&parent.world);
W = W * W_parent;
XMStoreFloat4x4(&world, W);
}
void TransformComponent::ApplyTransform()
{
SetDirty();
XMVECTOR S, R, T;
XMMatrixDecompose(&S, &R, &T, XMLoadFloat4x4(&world));
XMStoreFloat3(&scale_local, S);
XMStoreFloat4(&rotation_local, R);
XMStoreFloat3(&translation_local, T);
}
void TransformComponent::ClearTransform()
{
SetDirty();
scale_local = XMFLOAT3(1, 1, 1);
rotation_local = XMFLOAT4(0, 0, 0, 1);
translation_local = XMFLOAT3(0, 0, 0);
}
void TransformComponent::Translate(const XMFLOAT3& value)
{
SetDirty();
translation_local.x += value.x;
translation_local.y += value.y;
translation_local.z += value.z;
}
void TransformComponent::Translate(const XMVECTOR& value)
{
XMFLOAT3 translation;
XMStoreFloat3(&translation, value);
Translate(translation);
}
void TransformComponent::RotateRollPitchYaw(const XMFLOAT3& value)
{
SetDirty();
// This needs to be handled a bit differently
XMVECTOR quat = XMLoadFloat4(&rotation_local);
XMVECTOR x = XMQuaternionRotationRollPitchYaw(value.x, 0, 0);
XMVECTOR y = XMQuaternionRotationRollPitchYaw(0, value.y, 0);
XMVECTOR z = XMQuaternionRotationRollPitchYaw(0, 0, value.z);
quat = XMQuaternionMultiply(x, quat);
quat = XMQuaternionMultiply(quat, y);
quat = XMQuaternionMultiply(z, quat);
quat = XMQuaternionNormalize(quat);
XMStoreFloat4(&rotation_local, quat);
}
void TransformComponent::Rotate(const XMFLOAT4& quaternion)
{
SetDirty();
XMVECTOR result = XMQuaternionMultiply(XMLoadFloat4(&rotation_local), XMLoadFloat4(&quaternion));
result = XMQuaternionNormalize(result);
XMStoreFloat4(&rotation_local, result);
}
void TransformComponent::Rotate(const XMVECTOR& quaternion)
{
XMFLOAT4 rotation;
XMStoreFloat4(&rotation, quaternion);
Rotate(rotation);
}
void TransformComponent::Scale(const XMFLOAT3& value)
{
SetDirty();
scale_local.x *= value.x;
scale_local.y *= value.y;
scale_local.z *= value.z;
}
void TransformComponent::Scale(const XMVECTOR& value)
{
XMFLOAT3 scale;
XMStoreFloat3(&scale, value);
Scale(scale);
}
void TransformComponent::MatrixTransform(const XMFLOAT4X4& matrix)
{
MatrixTransform(XMLoadFloat4x4(&matrix));
}
void TransformComponent::MatrixTransform(const XMMATRIX& matrix)
{
SetDirty();
XMVECTOR S;
XMVECTOR R;
XMVECTOR T;
XMMatrixDecompose(&S, &R, &T, GetLocalMatrix() * matrix);
XMStoreFloat3(&scale_local, S);
XMStoreFloat4(&rotation_local, R);
XMStoreFloat3(&translation_local, T);
}
void TransformComponent::Lerp(const TransformComponent& a, const TransformComponent& b, float t)
{
SetDirty();
XMVECTOR aS, aR, aT;
XMMatrixDecompose(&aS, &aR, &aT, XMLoadFloat4x4(&a.world));
XMVECTOR bS, bR, bT;
XMMatrixDecompose(&bS, &bR, &bT, XMLoadFloat4x4(&b.world));
XMVECTOR S = XMVectorLerp(aS, bS, t);
XMVECTOR R = XMQuaternionSlerp(aR, bR, t);
XMVECTOR T = XMVectorLerp(aT, bT, t);
XMStoreFloat3(&scale_local, S);
XMStoreFloat4(&rotation_local, R);
XMStoreFloat3(&translation_local, T);
}
void TransformComponent::CatmullRom(const TransformComponent& a, const TransformComponent& b, const TransformComponent& c, const TransformComponent& d, float t)
{
SetDirty();
XMVECTOR aS, aR, aT;
XMMatrixDecompose(&aS, &aR, &aT, XMLoadFloat4x4(&a.world));
XMVECTOR bS, bR, bT;
XMMatrixDecompose(&bS, &bR, &bT, XMLoadFloat4x4(&b.world));
XMVECTOR cS, cR, cT;
XMMatrixDecompose(&cS, &cR, &cT, XMLoadFloat4x4(&c.world));
XMVECTOR dS, dR, dT;
XMMatrixDecompose(&dS, &dR, &dT, XMLoadFloat4x4(&d.world));
XMVECTOR T = XMVectorCatmullRom(aT, bT, cT, dT, t);
XMVECTOR setupA;
XMVECTOR setupB;
XMVECTOR setupC;
aR = XMQuaternionNormalize(aR);
bR = XMQuaternionNormalize(bR);
cR = XMQuaternionNormalize(cR);
dR = XMQuaternionNormalize(dR);
XMQuaternionSquadSetup(&setupA, &setupB, &setupC, aR, bR, cR, dR);
XMVECTOR R = XMQuaternionSquad(bR, setupA, setupB, setupC, t);
XMVECTOR S = XMVectorCatmullRom(aS, bS, cS, dS, t);
XMStoreFloat3(&translation_local, T);
XMStoreFloat4(&rotation_local, R);
XMStoreFloat3(&scale_local, S);
}
void MaterialComponent::WriteShaderMaterial(ShaderMaterial* dest) const
{
ShaderMaterial material;
material.baseColor = baseColor;
material.emissive_r11g11b10 = wi::math::Pack_R11G11B10_FLOAT(XMFLOAT3(emissiveColor.x * emissiveColor.w, emissiveColor.y * emissiveColor.w, emissiveColor.z * emissiveColor.w));
material.specular_r11g11b10 = wi::math::Pack_R11G11B10_FLOAT(XMFLOAT3(specularColor.x * specularColor.w, specularColor.y * specularColor.w, specularColor.z * specularColor.w));
material.texMulAdd = texMulAdd;
material.roughness = roughness;
material.reflectance = reflectance;
material.metalness = metalness;
material.refraction = refraction;
material.normalMapStrength = (textures[NORMALMAP].resource.IsValid() ? normalMapStrength : 0);
material.parallaxOcclusionMapping = parallaxOcclusionMapping;
material.displacementMapping = displacementMapping;
XMFLOAT4 sss = subsurfaceScattering;
sss.x *= sss.w;
sss.y *= sss.w;
sss.z *= sss.w;
XMFLOAT4 sss_inv = XMFLOAT4(
sss_inv.x = 1.0f / ((1 + sss.x) * (1 + sss.x)),
sss_inv.y = 1.0f / ((1 + sss.y) * (1 + sss.y)),
sss_inv.z = 1.0f / ((1 + sss.z) * (1 + sss.z)),
sss_inv.w = 1.0f / ((1 + sss.w) * (1 + sss.w))
);
material.subsurfaceScattering = sss;
material.subsurfaceScattering_inv = sss_inv;
material.uvset_baseColorMap = textures[BASECOLORMAP].GetUVSet();
material.uvset_surfaceMap = textures[SURFACEMAP].GetUVSet();
material.uvset_normalMap = textures[NORMALMAP].GetUVSet();
material.uvset_displacementMap = textures[DISPLACEMENTMAP].GetUVSet();
material.uvset_emissiveMap = textures[EMISSIVEMAP].GetUVSet();
material.uvset_occlusionMap = textures[OCCLUSIONMAP].GetUVSet();
material.uvset_transmissionMap = textures[TRANSMISSIONMAP].GetUVSet();
material.uvset_sheenColorMap = textures[SHEENCOLORMAP].GetUVSet();
material.uvset_sheenRoughnessMap = textures[SHEENROUGHNESSMAP].GetUVSet();
material.uvset_clearcoatMap = textures[CLEARCOATMAP].GetUVSet();
material.uvset_clearcoatRoughnessMap = textures[CLEARCOATROUGHNESSMAP].GetUVSet();
material.uvset_clearcoatNormalMap = textures[CLEARCOATNORMALMAP].GetUVSet();
material.uvset_specularMap = textures[SPECULARMAP].GetUVSet();
material.sheenColor_r11g11b10 = wi::math::Pack_R11G11B10_FLOAT(XMFLOAT3(sheenColor.x, sheenColor.y, sheenColor.z));
material.sheenRoughness = sheenRoughness;
material.clearcoat = clearcoat;
material.clearcoatRoughness = clearcoatRoughness;
material.alphaTest = 1 - alphaRef;
material.layerMask = layerMask;
material.transmission = transmission;
material.shaderType = (uint)shaderType;
material.options = 0;
if (IsUsingVertexColors())
{
material.options |= SHADERMATERIAL_OPTION_BIT_USE_VERTEXCOLORS;
}
if (IsUsingSpecularGlossinessWorkflow())
{
material.options |= SHADERMATERIAL_OPTION_BIT_SPECULARGLOSSINESS_WORKFLOW;
}
if (IsOcclusionEnabled_Primary())
{
material.options |= SHADERMATERIAL_OPTION_BIT_OCCLUSION_PRIMARY;
}
if (IsOcclusionEnabled_Secondary())
{
material.options |= SHADERMATERIAL_OPTION_BIT_OCCLUSION_SECONDARY;
}
if (IsUsingWind())
{
material.options |= SHADERMATERIAL_OPTION_BIT_USE_WIND;
}
if (IsReceiveShadow())
{
material.options |= SHADERMATERIAL_OPTION_BIT_RECEIVE_SHADOW;
}
if (IsCastingShadow())
{
material.options |= SHADERMATERIAL_OPTION_BIT_CAST_SHADOW;
}
if (IsDoubleSided())
{
material.options |= SHADERMATERIAL_OPTION_BIT_DOUBLE_SIDED;
}
if (GetRenderTypes() & RENDERTYPE_TRANSPARENT)
{
material.options |= SHADERMATERIAL_OPTION_BIT_TRANSPARENT;
}
if (userBlendMode == BLENDMODE_ADDITIVE)
{
material.options |= SHADERMATERIAL_OPTION_BIT_ADDITIVE;
}
if (shaderType == SHADERTYPE_UNLIT)
{
material.options |= SHADERMATERIAL_OPTION_BIT_UNLIT;
}
GraphicsDevice* device = wi::graphics::GetDevice();
material.texture_basecolormap_index = device->GetDescriptorIndex(textures[BASECOLORMAP].GetGPUResource(), SubresourceType::SRV);
material.texture_surfacemap_index = device->GetDescriptorIndex(textures[SURFACEMAP].GetGPUResource(), SubresourceType::SRV);
material.texture_emissivemap_index = device->GetDescriptorIndex(textures[EMISSIVEMAP].GetGPUResource(), SubresourceType::SRV);
material.texture_normalmap_index = device->GetDescriptorIndex(textures[NORMALMAP].GetGPUResource(), SubresourceType::SRV);
material.texture_displacementmap_index = device->GetDescriptorIndex(textures[DISPLACEMENTMAP].GetGPUResource(), SubresourceType::SRV);
material.texture_occlusionmap_index = device->GetDescriptorIndex(textures[OCCLUSIONMAP].GetGPUResource(), SubresourceType::SRV);
material.texture_transmissionmap_index = device->GetDescriptorIndex(textures[TRANSMISSIONMAP].GetGPUResource(), SubresourceType::SRV);
material.texture_sheencolormap_index = device->GetDescriptorIndex(textures[SHEENCOLORMAP].GetGPUResource(), SubresourceType::SRV);
material.texture_sheenroughnessmap_index = device->GetDescriptorIndex(textures[SHEENROUGHNESSMAP].GetGPUResource(), SubresourceType::SRV);
material.texture_clearcoatmap_index = device->GetDescriptorIndex(textures[CLEARCOATMAP].GetGPUResource(), SubresourceType::SRV);
material.texture_clearcoatroughnessmap_index = device->GetDescriptorIndex(textures[CLEARCOATROUGHNESSMAP].GetGPUResource(), SubresourceType::SRV);
material.texture_clearcoatnormalmap_index = device->GetDescriptorIndex(textures[CLEARCOATNORMALMAP].GetGPUResource(), SubresourceType::SRV);
material.texture_specularmap_index = device->GetDescriptorIndex(textures[SPECULARMAP].GetGPUResource(), SubresourceType::SRV);
std::memcpy(dest, &material, sizeof(ShaderMaterial)); // memcpy whole structure into mapped pointer to avoid read from uncached memory
}
void MaterialComponent::WriteTextures(const wi::graphics::GPUResource** dest, int count) const
{
count = std::min(count, (int)TEXTURESLOT_COUNT);
for (int i = 0; i < count; ++i)
{
dest[i] = textures[i].GetGPUResource();
}
}
uint32_t MaterialComponent::GetRenderTypes() const
{
if (IsCustomShader() && customShaderID < (int)wi::renderer::GetCustomShaders().size())
{
auto& customShader = wi::renderer::GetCustomShaders()[customShaderID];
return customShader.renderTypeFlags;
}
if (shaderType == SHADERTYPE_WATER)
{
return RENDERTYPE_TRANSPARENT | RENDERTYPE_WATER;
}
if (transmission > 0)
{
return RENDERTYPE_TRANSPARENT;
}
if (userBlendMode == BLENDMODE_OPAQUE)
{
return RENDERTYPE_OPAQUE;
}
return RENDERTYPE_TRANSPARENT;
}
void MaterialComponent::CreateRenderData()
{
for (auto& x : textures)
{
if (!x.name.empty())
{
x.resource = wi::resourcemanager::Load(x.name, wi::resourcemanager::Flags::IMPORT_RETAIN_FILEDATA);
}
}
}
uint32_t MaterialComponent::GetStencilRef() const
{
return wi::renderer::CombineStencilrefs(engineStencilRef, userStencilRef);
}
void MeshComponent::CreateRenderData()
{
GraphicsDevice* device = wi::graphics::GetDevice();
generalBuffer = {};
streamoutBuffer = {};
ib = {};
vb_pos_nor_wind = {};
vb_tan = {};
vb_uvs = {};
vb_atl = {};
vb_col = {};
vb_bon = {};
so_pos_nor_wind = {};
so_tan = {};
so_pre = {};
if (vertex_tangents.empty() && !vertex_uvset_0.empty() && !vertex_normals.empty())
{
// Generate tangents if not found:
vertex_tangents.resize(vertex_positions.size());
uint32_t first_subset = 0;
uint32_t last_subset = 0;
GetLODSubsetRange(0, first_subset, last_subset);
for (uint32_t subsetIndex = first_subset; subsetIndex < last_subset; ++subsetIndex)
{
const MeshComponent::MeshSubset& subset = subsets[subsetIndex];
for (size_t i = 0; i < subset.indexCount; i += 3)
{
const uint32_t i0 = indices[subset.indexOffset + i + 0];
const uint32_t i1 = indices[subset.indexOffset + i + 1];
const uint32_t i2 = indices[subset.indexOffset + i + 2];
const XMFLOAT3 v0 = vertex_positions[i0];
const XMFLOAT3 v1 = vertex_positions[i1];
const XMFLOAT3 v2 = vertex_positions[i2];
const XMFLOAT2 u0 = vertex_uvset_0[i0];
const XMFLOAT2 u1 = vertex_uvset_0[i1];
const XMFLOAT2 u2 = vertex_uvset_0[i2];
const XMFLOAT3 n0 = vertex_normals[i0];
const XMFLOAT3 n1 = vertex_normals[i1];
const XMFLOAT3 n2 = vertex_normals[i2];
const XMVECTOR nor0 = XMLoadFloat3(&n0);
const XMVECTOR nor1 = XMLoadFloat3(&n1);
const XMVECTOR nor2 = XMLoadFloat3(&n2);
const XMVECTOR facenormal = XMVector3Normalize(nor0 + nor1 + nor2);
const float x1 = v1.x - v0.x;
const float x2 = v2.x - v0.x;
const float y1 = v1.y - v0.y;
const float y2 = v2.y - v0.y;
const float z1 = v1.z - v0.z;
const float z2 = v2.z - v0.z;
const float s1 = u1.x - u0.x;
const float s2 = u2.x - u0.x;
const float t1 = u1.y - u0.y;
const float t2 = u2.y - u0.y;
const float r = 1.0f / (s1 * t2 - s2 * t1);
const XMVECTOR sdir = XMVectorSet((t2 * x1 - t1 * x2) * r, (t2 * y1 - t1 * y2) * r,
(t2 * z1 - t1 * z2) * r, 0);
const XMVECTOR tdir = XMVectorSet((s1 * x2 - s2 * x1) * r, (s1 * y2 - s2 * y1) * r,
(s1 * z2 - s2 * z1) * r, 0);
XMVECTOR tangent;
tangent = XMVector3Normalize(sdir - facenormal * XMVector3Dot(facenormal, sdir));
float sign = XMVectorGetX(XMVector3Dot(XMVector3Cross(tangent, facenormal), tdir)) < 0.0f ? -1.0f : 1.0f;
XMFLOAT3 t;
XMStoreFloat3(&t, tangent);
vertex_tangents[i0].x += t.x;
vertex_tangents[i0].y += t.y;
vertex_tangents[i0].z += t.z;
vertex_tangents[i0].w = sign;
vertex_tangents[i1].x += t.x;
vertex_tangents[i1].y += t.y;
vertex_tangents[i1].z += t.z;
vertex_tangents[i1].w = sign;
vertex_tangents[i2].x += t.x;
vertex_tangents[i2].y += t.y;
vertex_tangents[i2].z += t.z;
vertex_tangents[i2].w = sign;
}
}
}
{
vertex_subsets.resize(vertex_positions.size());
uint32_t first_subset = 0;
uint32_t last_subset = 0;
GetLODSubsetRange(0, first_subset, last_subset);
for (uint32_t subsetIndex = first_subset; subsetIndex < last_subset; ++subsetIndex)
{
const MeshComponent::MeshSubset& subset = subsets[subsetIndex];
for (uint32_t i = 0; i < subset.indexCount; ++i)
{
uint32_t index = indices[subset.indexOffset + i];
vertex_subsets[index] = subsetIndex;
}
}
}
const size_t uv_count = std::max(vertex_uvset_0.size(), vertex_uvset_1.size());
GPUBufferDesc bd;
bd.usage = Usage::DEFAULT;
bd.bind_flags = BindFlag::VERTEX_BUFFER | BindFlag::INDEX_BUFFER | BindFlag::SHADER_RESOURCE;
bd.misc_flags = ResourceMiscFlag::BUFFER_RAW;
if (device->CheckCapability(GraphicsDeviceCapability::RAYTRACING))
{
bd.misc_flags |= ResourceMiscFlag::RAY_TRACING;
}
const uint64_t alignment = device->GetMinOffsetAlignment(&bd);
bd.size =
AlignTo(indices.size() * GetIndexStride(), alignment) +
AlignTo(vertex_positions.size() * sizeof(Vertex_POS), alignment) +
AlignTo(vertex_tangents.size() * sizeof(Vertex_TAN), alignment) +
AlignTo(uv_count * sizeof(Vertex_UVS), alignment) +
AlignTo(vertex_atlas.size() * sizeof(Vertex_TEX), alignment) +
AlignTo(vertex_colors.size() * sizeof(Vertex_COL), alignment) +
AlignTo(vertex_boneindices.size() * sizeof(Vertex_BON), alignment)
;
// single allocation storage for GPU buffer data:
wi::vector<uint8_t> buffer_data(bd.size);
uint64_t buffer_offset = 0ull;
// Create index buffer GPU data:
if (GetIndexFormat() == IndexBufferFormat::UINT32)
{
ib.offset = buffer_offset;
ib.size = indices.size() * sizeof(uint32_t);
uint32_t* indexdata = (uint32_t*)(buffer_data.data() + buffer_offset);
buffer_offset += AlignTo(ib.size, alignment);
for (size_t i = 0; i < indices.size(); ++i)
{
indexdata[i] = indices[i];
}
}
else
{
ib.offset = buffer_offset;
ib.size = indices.size() * sizeof(uint16_t);
uint16_t* indexdata = (uint16_t*)(buffer_data.data() + buffer_offset);
buffer_offset += AlignTo(ib.size, alignment);
for (size_t i = 0; i < indices.size(); ++i)
{
indexdata[i] = (uint16_t)indices[i];
}
}
XMFLOAT3 _min = XMFLOAT3(std::numeric_limits<float>::max(), std::numeric_limits<float>::max(), std::numeric_limits<float>::max());
XMFLOAT3 _max = XMFLOAT3(std::numeric_limits<float>::lowest(), std::numeric_limits<float>::lowest(), std::numeric_limits<float>::lowest());
// vertexBuffer - POSITION + NORMAL + WIND:
{
if (!targets.empty())
{
vertex_positions_morphed.resize(vertex_positions.size());
dirty_morph = true;
}
vb_pos_nor_wind.offset = buffer_offset;
vb_pos_nor_wind.size = vertex_positions.size() * sizeof(Vertex_POS);
Vertex_POS* vertices = (Vertex_POS*)(buffer_data.data() + buffer_offset);
buffer_offset += AlignTo(vb_pos_nor_wind.size, alignment);
for (size_t i = 0; i < vertex_positions.size(); ++i)
{
const XMFLOAT3& pos = vertex_positions[i];
XMFLOAT3 nor = vertex_normals.empty() ? XMFLOAT3(1, 1, 1) : vertex_normals[i];
XMStoreFloat3(&nor, XMVector3Normalize(XMLoadFloat3(&nor)));
const uint8_t wind = vertex_windweights.empty() ? 0xFF : vertex_windweights[i];
vertices[i].FromFULL(pos, nor, wind);
_min = wi::math::Min(_min, pos);
_max = wi::math::Max(_max, pos);
}
}
aabb = AABB(_min, _max);
// vertexBuffer - TANGENTS
if (!vertex_tangents.empty())
{
vb_tan.offset = buffer_offset;
vb_tan.size = vertex_tangents.size() * sizeof(Vertex_TAN);
Vertex_TAN* vertices = (Vertex_TAN*)(buffer_data.data() + buffer_offset);
buffer_offset += AlignTo(vb_tan.size, alignment);
for (size_t i = 0; i < vertex_tangents.size(); ++i)
{
vertices[i].FromFULL(vertex_tangents[i]);
}
}
// vertexBuffer - UV SETS
if (!vertex_uvset_0.empty() || !vertex_uvset_1.empty())
{
const XMFLOAT2* uv0_stream = vertex_uvset_0.empty() ? vertex_uvset_1.data() : vertex_uvset_0.data();
const XMFLOAT2* uv1_stream = vertex_uvset_1.empty() ? vertex_uvset_0.data() : vertex_uvset_1.data();
vb_uvs.offset = buffer_offset;
vb_uvs.size = uv_count * sizeof(Vertex_UVS);
Vertex_UVS* vertices = (Vertex_UVS*)(buffer_data.data() + buffer_offset);
buffer_offset += AlignTo(vb_uvs.size, alignment);
for (size_t i = 0; i < uv_count; ++i)
{
vertices[i].uv0.FromFULL(uv0_stream[i]);
vertices[i].uv1.FromFULL(uv1_stream[i]);
}
}
// vertexBuffer - ATLAS
if (!vertex_atlas.empty())
{
vb_atl.offset = buffer_offset;
vb_atl.size = vertex_atlas.size() * sizeof(Vertex_TEX);
Vertex_TEX* vertices = (Vertex_TEX*)(buffer_data.data() + buffer_offset);
buffer_offset += AlignTo(vb_atl.size, alignment);
for (size_t i = 0; i < vertex_atlas.size(); ++i)
{
vertices[i].FromFULL(vertex_atlas[i]);
}
}
// vertexBuffer - COLORS
if (!vertex_colors.empty())
{
vb_col.offset = buffer_offset;
vb_col.size = vertex_colors.size() * sizeof(Vertex_COL);
Vertex_COL* vertices = (Vertex_COL*)(buffer_data.data() + buffer_offset);
buffer_offset += AlignTo(vb_col.size, alignment);
for (size_t i = 0; i < vertex_colors.size(); ++i)
{
vertices[i].color = vertex_colors[i];
}
}
// skinning buffers:
if (!vertex_boneindices.empty())
{
vb_bon.offset = buffer_offset;
vb_bon.size = vertex_boneindices.size() * sizeof(Vertex_BON);
Vertex_BON* vertices = (Vertex_BON*)(buffer_data.data() + buffer_offset);
buffer_offset += AlignTo(vb_bon.size, alignment);
assert(vertex_boneindices.size() == vertex_boneweights.size());
for (size_t i = 0; i < vertex_boneindices.size(); ++i)
{
XMFLOAT4& wei = vertex_boneweights[i];
// normalize bone weights
float len = wei.x + wei.y + wei.z + wei.w;
if (len > 0)
{
wei.x /= len;
wei.y /= len;
wei.z /= len;
wei.w /= len;
}
vertices[i].FromFULL(vertex_boneindices[i], wei);
}
CreateStreamoutRenderData();
}
bool success = device->CreateBuffer(&bd, buffer_data.data(), &generalBuffer);
assert(success);
device->SetName(&generalBuffer, "MeshComponent::generalBuffer");
assert(ib.IsValid());
const Format ib_format = GetIndexFormat() == IndexBufferFormat::UINT32 ? Format::R32_UINT : Format::R16_UINT;
ib.subresource_srv = device->CreateSubresource(&generalBuffer, SubresourceType::SRV, ib.offset, ib.size, &ib_format);
ib.descriptor_srv = device->GetDescriptorIndex(&generalBuffer, SubresourceType::SRV, ib.subresource_srv);
assert(vb_pos_nor_wind.IsValid());
vb_pos_nor_wind.subresource_srv = device->CreateSubresource(&generalBuffer, SubresourceType::SRV, vb_pos_nor_wind.offset, vb_pos_nor_wind.size);
vb_pos_nor_wind.descriptor_srv = device->GetDescriptorIndex(&generalBuffer, SubresourceType::SRV, vb_pos_nor_wind.subresource_srv);
if (vb_tan.IsValid())
{
vb_tan.subresource_srv = device->CreateSubresource(&generalBuffer, SubresourceType::SRV, vb_tan.offset, vb_tan.size);
vb_tan.descriptor_srv = device->GetDescriptorIndex(&generalBuffer, SubresourceType::SRV, vb_tan.subresource_srv);
}
if (vb_uvs.IsValid())
{
vb_uvs.subresource_srv = device->CreateSubresource(&generalBuffer, SubresourceType::SRV, vb_uvs.offset, vb_uvs.size);
vb_uvs.descriptor_srv = device->GetDescriptorIndex(&generalBuffer, SubresourceType::SRV, vb_uvs.subresource_srv);
}
if (vb_atl.IsValid())
{
vb_atl.subresource_srv = device->CreateSubresource(&generalBuffer, SubresourceType::SRV, vb_atl.offset, vb_atl.size);
vb_atl.descriptor_srv = device->GetDescriptorIndex(&generalBuffer, SubresourceType::SRV, vb_atl.subresource_srv);
}
if (vb_col.IsValid())
{
vb_col.subresource_srv = device->CreateSubresource(&generalBuffer, SubresourceType::SRV, vb_col.offset, vb_col.size);
vb_col.descriptor_srv = device->GetDescriptorIndex(&generalBuffer, SubresourceType::SRV, vb_col.subresource_srv);
}
if (vb_bon.IsValid())
{
vb_bon.subresource_srv = device->CreateSubresource(&generalBuffer, SubresourceType::SRV, vb_bon.offset, vb_bon.size);
vb_bon.descriptor_srv = device->GetDescriptorIndex(&generalBuffer, SubresourceType::SRV, vb_bon.subresource_srv);
}
if (device->CheckCapability(GraphicsDeviceCapability::RAYTRACING))
{
BLAS_state = MeshComponent::BLAS_STATE_NEEDS_REBUILD;
RaytracingAccelerationStructureDesc desc;
desc.type = RaytracingAccelerationStructureDesc::Type::BOTTOMLEVEL;
if (streamoutBuffer.IsValid())
{
desc.flags |= RaytracingAccelerationStructureDesc::FLAG_ALLOW_UPDATE;
desc.flags |= RaytracingAccelerationStructureDesc::FLAG_PREFER_FAST_BUILD;
}
else
{
desc.flags |= RaytracingAccelerationStructureDesc::FLAG_PREFER_FAST_TRACE;
}
uint32_t first_subset = 0;
uint32_t last_subset = 0;
GetLODSubsetRange(0, first_subset, last_subset);
for (uint32_t subsetIndex = first_subset; subsetIndex < last_subset; ++subsetIndex)
{
const MeshComponent::MeshSubset& subset = subsets[subsetIndex];
desc.bottom_level.geometries.emplace_back();
auto& geometry = desc.bottom_level.geometries.back();
geometry.type = RaytracingAccelerationStructureDesc::BottomLevel::Geometry::Type::TRIANGLES;
geometry.triangles.vertex_buffer = generalBuffer;
geometry.triangles.vertex_byte_offset = vb_pos_nor_wind.offset;
geometry.triangles.index_buffer = generalBuffer;
geometry.triangles.index_format = GetIndexFormat();
geometry.triangles.index_count = subset.indexCount;
geometry.triangles.index_offset = ib.offset / GetIndexStride() + subset.indexOffset;
geometry.triangles.vertex_count = (uint32_t)vertex_positions.size();
geometry.triangles.vertex_format = Format::R32G32B32_FLOAT;
geometry.triangles.vertex_stride = sizeof(MeshComponent::Vertex_POS);
}
bool success = device->CreateRaytracingAccelerationStructure(&desc, &BLAS);
assert(success);
device->SetName(&BLAS, "MeshComponent::BLAS");
}
}
void MeshComponent::CreateStreamoutRenderData()
{
GraphicsDevice* device = wi::graphics::GetDevice();
GPUBufferDesc desc;
desc.usage = Usage::DEFAULT;
desc.bind_flags = BindFlag::VERTEX_BUFFER | BindFlag::SHADER_RESOURCE | BindFlag::UNORDERED_ACCESS;
desc.misc_flags = ResourceMiscFlag::BUFFER_RAW;
if (device->CheckCapability(GraphicsDeviceCapability::RAYTRACING))
{
desc.misc_flags |= ResourceMiscFlag::RAY_TRACING;
}
const uint64_t alignment = device->GetMinOffsetAlignment(&desc);
desc.size =
AlignTo(vertex_positions.size() * sizeof(Vertex_POS) * 2, alignment) + // *2 because prevpos also goes into this!
AlignTo(vertex_tangents.size() * sizeof(Vertex_TAN), alignment)
;
bool success = device->CreateBuffer(&desc, nullptr, &streamoutBuffer);
assert(success);
device->SetName(&streamoutBuffer, "MeshComponent::streamoutBuffer");
so_pos_nor_wind.offset = 0;
so_pos_nor_wind.size = vb_pos_nor_wind.size;
so_pos_nor_wind.subresource_srv = device->CreateSubresource(&streamoutBuffer, SubresourceType::SRV, so_pos_nor_wind.offset, so_pos_nor_wind.size);
so_pos_nor_wind.subresource_uav = device->CreateSubresource(&streamoutBuffer, SubresourceType::UAV, so_pos_nor_wind.offset, so_pos_nor_wind.size);
so_pos_nor_wind.descriptor_srv = device->GetDescriptorIndex(&streamoutBuffer, SubresourceType::SRV, so_pos_nor_wind.subresource_srv);
so_pos_nor_wind.descriptor_uav = device->GetDescriptorIndex(&streamoutBuffer, SubresourceType::UAV, so_pos_nor_wind.subresource_uav);
so_tan.offset = AlignTo(so_pos_nor_wind.offset + so_pos_nor_wind.size, alignment);
so_tan.size = vb_tan.size;
so_tan.subresource_srv = device->CreateSubresource(&streamoutBuffer, SubresourceType::SRV, so_tan.offset, so_tan.size);
so_tan.subresource_uav = device->CreateSubresource(&streamoutBuffer, SubresourceType::UAV, so_tan.offset, so_tan.size);
so_tan.descriptor_srv = device->GetDescriptorIndex(&streamoutBuffer, SubresourceType::SRV, so_tan.subresource_srv);
so_tan.descriptor_uav = device->GetDescriptorIndex(&streamoutBuffer, SubresourceType::UAV, so_tan.subresource_uav);
so_pre.offset = AlignTo(so_tan.offset + so_tan.size, alignment);
so_pre.size = vb_pos_nor_wind.size;
so_pre.subresource_srv = device->CreateSubresource(&streamoutBuffer, SubresourceType::SRV, so_pre.offset, so_pre.size);
so_pre.subresource_uav = device->CreateSubresource(&streamoutBuffer, SubresourceType::UAV, so_pre.offset, so_pre.size);
so_pre.descriptor_srv = device->GetDescriptorIndex(&streamoutBuffer, SubresourceType::SRV, so_pre.subresource_srv);
so_pre.descriptor_uav = device->GetDescriptorIndex(&streamoutBuffer, SubresourceType::UAV, so_pre.subresource_uav);
}
void MeshComponent::ComputeNormals(COMPUTE_NORMALS compute)
{
// Start recalculating normals:
if(compute != COMPUTE_NORMALS_SMOOTH_FAST)
{
// Compute hard surface normals:
// Right now they are always computed even before smooth setting
wi::vector<uint32_t> newIndexBuffer;
wi::vector<XMFLOAT3> newPositionsBuffer;
wi::vector<XMFLOAT3> newNormalsBuffer;
wi::vector<XMFLOAT2> newUV0Buffer;
wi::vector<XMFLOAT2> newUV1Buffer;
wi::vector<XMFLOAT2> newAtlasBuffer;
wi::vector<XMUINT4> newBoneIndicesBuffer;
wi::vector<XMFLOAT4> newBoneWeightsBuffer;
wi::vector<uint32_t> newColorsBuffer;
for (size_t face = 0; face < indices.size() / 3; face++)
{
uint32_t i0 = indices[face * 3 + 0];
uint32_t i1 = indices[face * 3 + 1];
uint32_t i2 = indices[face * 3 + 2];
XMFLOAT3& p0 = vertex_positions[i0];
XMFLOAT3& p1 = vertex_positions[i1];
XMFLOAT3& p2 = vertex_positions[i2];
XMVECTOR U = XMLoadFloat3(&p2) - XMLoadFloat3(&p0);
XMVECTOR V = XMLoadFloat3(&p1) - XMLoadFloat3(&p0);
XMVECTOR N = XMVector3Cross(U, V);
N = XMVector3Normalize(N);
XMFLOAT3 normal;
XMStoreFloat3(&normal, N);
newPositionsBuffer.push_back(p0);
newPositionsBuffer.push_back(p1);
newPositionsBuffer.push_back(p2);
newNormalsBuffer.push_back(normal);
newNormalsBuffer.push_back(normal);
newNormalsBuffer.push_back(normal);
if (!vertex_uvset_0.empty())
{
newUV0Buffer.push_back(vertex_uvset_0[i0]);
newUV0Buffer.push_back(vertex_uvset_0[i1]);
newUV0Buffer.push_back(vertex_uvset_0[i2]);
}
if (!vertex_uvset_1.empty())
{
newUV1Buffer.push_back(vertex_uvset_1[i0]);
newUV1Buffer.push_back(vertex_uvset_1[i1]);
newUV1Buffer.push_back(vertex_uvset_1[i2]);
}
if (!vertex_atlas.empty())
{
newAtlasBuffer.push_back(vertex_atlas[i0]);
newAtlasBuffer.push_back(vertex_atlas[i1]);
newAtlasBuffer.push_back(vertex_atlas[i2]);
}
if (!vertex_boneindices.empty())
{
newBoneIndicesBuffer.push_back(vertex_boneindices[i0]);
newBoneIndicesBuffer.push_back(vertex_boneindices[i1]);
newBoneIndicesBuffer.push_back(vertex_boneindices[i2]);
}
if (!vertex_boneweights.empty())
{
newBoneWeightsBuffer.push_back(vertex_boneweights[i0]);
newBoneWeightsBuffer.push_back(vertex_boneweights[i1]);
newBoneWeightsBuffer.push_back(vertex_boneweights[i2]);
}
if (!vertex_colors.empty())
{
newColorsBuffer.push_back(vertex_colors[i0]);
newColorsBuffer.push_back(vertex_colors[i1]);
newColorsBuffer.push_back(vertex_colors[i2]);
}
newIndexBuffer.push_back(static_cast<uint32_t>(newIndexBuffer.size()));
newIndexBuffer.push_back(static_cast<uint32_t>(newIndexBuffer.size()));
newIndexBuffer.push_back(static_cast<uint32_t>(newIndexBuffer.size()));
}
// For hard surface normals, we created a new mesh in the previous loop through faces, so swap data:
vertex_positions = newPositionsBuffer;
vertex_normals = newNormalsBuffer;
vertex_uvset_0 = newUV0Buffer;
vertex_uvset_1 = newUV1Buffer;
vertex_atlas = newAtlasBuffer;
vertex_colors = newColorsBuffer;
if (!vertex_boneindices.empty())
{
vertex_boneindices = newBoneIndicesBuffer;
}
if (!vertex_boneweights.empty())
{
vertex_boneweights = newBoneWeightsBuffer;
}
indices = newIndexBuffer;
}
switch (compute)
{
case MeshComponent::COMPUTE_NORMALS_HARD:
break;
case MeshComponent::COMPUTE_NORMALS_SMOOTH:
{
// Compute smooth surface normals:
// 1.) Zero normals, they will be averaged later
for (size_t i = 0; i < vertex_normals.size(); i++)
{
vertex_normals[i] = XMFLOAT3(0, 0, 0);
}
// 2.) Find identical vertices by POSITION, accumulate face normals
for (size_t i = 0; i < vertex_positions.size(); i++)
{
XMFLOAT3& v_search_pos = vertex_positions[i];
for (size_t ind = 0; ind < indices.size() / 3; ++ind)
{
uint32_t i0 = indices[ind * 3 + 0];
uint32_t i1 = indices[ind * 3 + 1];
uint32_t i2 = indices[ind * 3 + 2];
XMFLOAT3& v0 = vertex_positions[i0];
XMFLOAT3& v1 = vertex_positions[i1];
XMFLOAT3& v2 = vertex_positions[i2];
bool match_pos0 =
fabs(v_search_pos.x - v0.x) < FLT_EPSILON &&
fabs(v_search_pos.y - v0.y) < FLT_EPSILON &&
fabs(v_search_pos.z - v0.z) < FLT_EPSILON;
bool match_pos1 =
fabs(v_search_pos.x - v1.x) < FLT_EPSILON &&
fabs(v_search_pos.y - v1.y) < FLT_EPSILON &&
fabs(v_search_pos.z - v1.z) < FLT_EPSILON;
bool match_pos2 =
fabs(v_search_pos.x - v2.x) < FLT_EPSILON &&
fabs(v_search_pos.y - v2.y) < FLT_EPSILON &&
fabs(v_search_pos.z - v2.z) < FLT_EPSILON;
if (match_pos0 || match_pos1 || match_pos2)
{
XMVECTOR U = XMLoadFloat3(&v2) - XMLoadFloat3(&v0);
XMVECTOR V = XMLoadFloat3(&v1) - XMLoadFloat3(&v0);
XMVECTOR N = XMVector3Cross(U, V);
N = XMVector3Normalize(N);
XMFLOAT3 normal;
XMStoreFloat3(&normal, N);
vertex_normals[i].x += normal.x;
vertex_normals[i].y += normal.y;
vertex_normals[i].z += normal.z;
}
}
}
// 3.) Find duplicated vertices by POSITION and UV0 and UV1 and ATLAS and SUBSET and remove them:
for (auto& subset : subsets)
{
for (uint32_t i = 0; i < subset.indexCount - 1; i++)
{
uint32_t ind0 = indices[subset.indexOffset + (uint32_t)i];
const XMFLOAT3& p0 = vertex_positions[ind0];
const XMFLOAT2& u00 = vertex_uvset_0.empty() ? XMFLOAT2(0, 0) : vertex_uvset_0[ind0];
const XMFLOAT2& u10 = vertex_uvset_1.empty() ? XMFLOAT2(0, 0) : vertex_uvset_1[ind0];
const XMFLOAT2& at0 = vertex_atlas.empty() ? XMFLOAT2(0, 0) : vertex_atlas[ind0];
for (uint32_t j = i + 1; j < subset.indexCount; j++)
{
uint32_t ind1 = indices[subset.indexOffset + (uint32_t)j];
if (ind1 == ind0)
{
continue;
}
const XMFLOAT3& p1 = vertex_positions[ind1];
const XMFLOAT2& u01 = vertex_uvset_0.empty() ? XMFLOAT2(0, 0) : vertex_uvset_0[ind1];
const XMFLOAT2& u11 = vertex_uvset_1.empty() ? XMFLOAT2(0, 0) : vertex_uvset_1[ind1];
const XMFLOAT2& at1 = vertex_atlas.empty() ? XMFLOAT2(0, 0) : vertex_atlas[ind1];
const bool duplicated_pos =
fabs(p0.x - p1.x) < FLT_EPSILON &&
fabs(p0.y - p1.y) < FLT_EPSILON &&
fabs(p0.z - p1.z) < FLT_EPSILON;
const bool duplicated_uv0 =
fabs(u00.x - u01.x) < FLT_EPSILON &&
fabs(u00.y - u01.y) < FLT_EPSILON;
const bool duplicated_uv1 =
fabs(u10.x - u11.x) < FLT_EPSILON &&
fabs(u10.y - u11.y) < FLT_EPSILON;
const bool duplicated_atl =
fabs(at0.x - at1.x) < FLT_EPSILON &&
fabs(at0.y - at1.y) < FLT_EPSILON;
if (duplicated_pos && duplicated_uv0 && duplicated_uv1 && duplicated_atl)
{
// Erase vertices[ind1] because it is a duplicate:
if (ind1 < vertex_positions.size())
{
vertex_positions.erase(vertex_positions.begin() + ind1);
}
if (ind1 < vertex_normals.size())
{
vertex_normals.erase(vertex_normals.begin() + ind1);
}
if (ind1 < vertex_uvset_0.size())
{
vertex_uvset_0.erase(vertex_uvset_0.begin() + ind1);
}
if (ind1 < vertex_uvset_1.size())
{
vertex_uvset_1.erase(vertex_uvset_1.begin() + ind1);
}
if (ind1 < vertex_atlas.size())
{
vertex_atlas.erase(vertex_atlas.begin() + ind1);
}
if (ind1 < vertex_boneindices.size())
{
vertex_boneindices.erase(vertex_boneindices.begin() + ind1);
}
if (ind1 < vertex_boneweights.size())
{
vertex_boneweights.erase(vertex_boneweights.begin() + ind1);
}
// The vertices[ind1] was removed, so each index after that needs to be updated:
for (auto& index : indices)
{
if (index > ind1 && index > 0)
{
index--;
}
else if (index == ind1)
{
index = ind0;
}
}
}
}
}
}
}
break;
case MeshComponent::COMPUTE_NORMALS_SMOOTH_FAST:
{
for (size_t i = 0; i < vertex_normals.size(); i++)
{
vertex_normals[i] = XMFLOAT3(0, 0, 0);
}
for (size_t i = 0; i < indices.size() / 3; ++i)
{
uint32_t index1 = indices[i * 3];
uint32_t index2 = indices[i * 3 + 1];
uint32_t index3 = indices[i * 3 + 2];
XMVECTOR side1 = XMLoadFloat3(&vertex_positions[index1]) - XMLoadFloat3(&vertex_positions[index3]);
XMVECTOR side2 = XMLoadFloat3(&vertex_positions[index1]) - XMLoadFloat3(&vertex_positions[index2]);
XMVECTOR N = XMVector3Normalize(XMVector3Cross(side1, side2));
XMFLOAT3 normal;
XMStoreFloat3(&normal, N);
vertex_normals[index1].x += normal.x;
vertex_normals[index1].y += normal.y;
vertex_normals[index1].z += normal.z;
vertex_normals[index2].x += normal.x;
vertex_normals[index2].y += normal.y;
vertex_normals[index2].z += normal.z;
vertex_normals[index3].x += normal.x;
vertex_normals[index3].y += normal.y;
vertex_normals[index3].z += normal.z;
}
}
break;
}
vertex_tangents.clear(); // <- will be recomputed
CreateRenderData(); // <- normals will be normalized here!
}
void MeshComponent::FlipCulling()
{
for (size_t face = 0; face < indices.size() / 3; face++)
{
uint32_t i0 = indices[face * 3 + 0];
uint32_t i1 = indices[face * 3 + 1];
uint32_t i2 = indices[face * 3 + 2];
indices[face * 3 + 0] = i0;
indices[face * 3 + 1] = i2;
indices[face * 3 + 2] = i1;
}
CreateRenderData();
}
void MeshComponent::FlipNormals()
{
for (auto& normal : vertex_normals)
{
normal.x *= -1;
normal.y *= -1;
normal.z *= -1;
}
CreateRenderData();
}
void MeshComponent::Recenter()
{
XMFLOAT3 center = aabb.getCenter();
for (auto& pos : vertex_positions)
{
pos.x -= center.x;
pos.y -= center.y;
pos.z -= center.z;
}
CreateRenderData();
}
void MeshComponent::RecenterToBottom()
{
XMFLOAT3 center = aabb.getCenter();
center.y -= aabb.getHalfWidth().y;
for (auto& pos : vertex_positions)
{
pos.x -= center.x;
pos.y -= center.y;
pos.z -= center.z;
}
CreateRenderData();
}
Sphere MeshComponent::GetBoundingSphere() const
{
XMFLOAT3 halfwidth = aabb.getHalfWidth();
Sphere sphere;
sphere.center = aabb.getCenter();
sphere.radius = std::max(halfwidth.x, std::max(halfwidth.y, halfwidth.z));
return sphere;
}
void ObjectComponent::ClearLightmap()
{
lightmap = Texture();
lightmapWidth = 0;
lightmapHeight = 0;
lightmapIterationCount = 0;
lightmapTextureData.clear();
SetLightmapRenderRequest(false);
}
#if __has_include("OpenImageDenoise/oidn.hpp")
#define OPEN_IMAGE_DENOISE
#include "OpenImageDenoise/oidn.hpp"
#pragma comment(lib,"OpenImageDenoise.lib")
#pragma comment(lib,"tbb.lib")
// Also provide OpenImageDenoise.dll and tbb.dll near the exe!
#endif
void ObjectComponent::SaveLightmap()
{
if (lightmap.IsValid() && has_flag(lightmap.desc.bind_flags, BindFlag::RENDER_TARGET))
{
SetLightmapRenderRequest(false);
bool success = wi::helper::saveTextureToMemory(lightmap, lightmapTextureData);
assert(success);
#ifdef OPEN_IMAGE_DENOISE
if (success)
{
wi::vector<uint8_t> texturedata_dst(lightmapTextureData.size());
size_t width = (size_t)lightmapWidth;
size_t height = (size_t)lightmapHeight;
{
// https://github.com/OpenImageDenoise/oidn#c11-api-example
// Create an Intel Open Image Denoise device
static oidn::DeviceRef device = oidn::newDevice();
static bool init = false;
if (!init)
{
device.commit();
init = true;
}
// Create a denoising filter
oidn::FilterRef filter = device.newFilter("RTLightmap");
filter.setImage("color", lightmapTextureData.data(), oidn::Format::Float3, width, height, 0, sizeof(XMFLOAT4));
filter.setImage("output", texturedata_dst.data(), oidn::Format::Float3, width, height, 0, sizeof(XMFLOAT4));
filter.commit();
// Filter the image
filter.execute();
// Check for errors
const char* errorMessage;
auto error = device.getError(errorMessage);
if (error != oidn::Error::None && error != oidn::Error::Cancelled)
{
wi::backlog::post(std::string("[OpenImageDenoise error] ") + errorMessage);
}
}
lightmapTextureData = std::move(texturedata_dst); // replace old (raw) data with denoised data
}
#endif // OPEN_IMAGE_DENOISE
CompressLightmap();
wi::texturehelper::CreateTexture(lightmap, lightmapTextureData.data(), lightmapWidth, lightmapHeight, lightmap.desc.format);
wi::graphics::GetDevice()->SetName(&lightmap, "lightmap");
}
}
void ObjectComponent::CompressLightmap()
{
// BC6 Block compression code that uses DirectXTex library, but it's not cross platform, so disabled:
#if 0
wi::Timer timer;
wi::backlog::post("compressing lightmap...");
lightmap.desc.Format = lightmap_block_format;
lightmap.desc.BindFlags = BindFlag::SHADER_RESOURCE;
static constexpr wi::graphics::FORMAT lightmap_block_format = wi::graphics::FORMAT_BC6H_UF16;
static constexpr uint32_t lightmap_blocksize = wi::graphics::GetFormatBlockSize(lightmap_block_format);
static_assert(lightmap_blocksize == 4u);
const uint32_t bc6_width = lightmapWidth / lightmap_blocksize;
const uint32_t bc6_height = lightmapHeight / lightmap_blocksize;
wi::vector<uint8_t> bc6_data;
bc6_data.resize(sizeof(XMFLOAT4) * bc6_width * bc6_height);
const XMFLOAT4* raw_data = (const XMFLOAT4*)lightmapTextureData.data();
for (uint32_t x = 0; x < bc6_width; ++x)
{
for (uint32_t y = 0; y < bc6_height; ++y)
{
uint32_t bc6_idx = x + y * bc6_width;
uint8_t* ptr = (uint8_t*)((XMFLOAT4*)bc6_data.data() + bc6_idx);
XMVECTOR raw_vec[lightmap_blocksize * lightmap_blocksize];
for (uint32_t i = 0; i < lightmap_blocksize; ++i)
{
for (uint32_t j = 0; j < lightmap_blocksize; ++j)
{
uint32_t raw_idx = (x * lightmap_blocksize + i) + (y * lightmap_blocksize + j) * lightmapWidth;
uint32_t block_idx = i + j * lightmap_blocksize;
raw_vec[block_idx] = XMLoadFloat4(raw_data + raw_idx);
}
}
static_assert(arraysize(raw_vec) == 16); // it will work only for a certain block size!
D3DXEncodeBC6HU(ptr, raw_vec, 0);
}
}
lightmapTextureData = std::move(bc6_data); // replace old (raw) data with compressed data
wi::backlog::post(
"compressing lightmap [" +
std::to_string(lightmapWidth) +
"x" +
std::to_string(lightmapHeight) +
"] finished in " +
std::to_string(timer.elapsed_seconds()) +
" seconds"
);
#else
// Simple compression to R11G11B10_FLOAT format:
using namespace PackedVector;
wi::vector<uint8_t> packed_data;
packed_data.resize(sizeof(XMFLOAT3PK) * lightmapWidth * lightmapHeight);
XMFLOAT3PK* packed_ptr = (XMFLOAT3PK*)packed_data.data();
XMFLOAT4* raw_ptr = (XMFLOAT4*)lightmapTextureData.data();
uint32_t texelcount = lightmapWidth * lightmapHeight;
for (uint32_t i = 0; i < texelcount; ++i)
{
XMStoreFloat3PK(packed_ptr + i, XMLoadFloat4(raw_ptr + i));
}
lightmapTextureData = std::move(packed_data);
lightmap.desc.format = Format::R11G11B10_FLOAT;
lightmap.desc.bind_flags = BindFlag::SHADER_RESOURCE;
#endif
}
void ArmatureComponent::CreateRenderData()
{
GraphicsDevice* device = wi::graphics::GetDevice();
GPUBufferDesc bd;
bd.size = sizeof(ShaderTransform) * (uint32_t)boneCollection.size();
bd.bind_flags = BindFlag::SHADER_RESOURCE;
bd.misc_flags = ResourceMiscFlag::BUFFER_RAW;
bd.stride = sizeof(ShaderTransform);
bool success = device->CreateBuffer(&bd, nullptr, &boneBuffer);
assert(success);
device->SetName(&boneBuffer, "ArmatureComponent::boneBuffer");
descriptor_srv = device->GetDescriptorIndex(&boneBuffer, SubresourceType::SRV);
}
void SoftBodyPhysicsComponent::CreateFromMesh(const MeshComponent& mesh)
{
vertex_positions_simulation.resize(mesh.vertex_positions.size());
vertex_tangents_tmp.resize(mesh.vertex_tangents.size());
vertex_tangents_simulation.resize(mesh.vertex_tangents.size());
XMMATRIX W = XMLoadFloat4x4(&worldMatrix);
XMFLOAT3 _min = XMFLOAT3(std::numeric_limits<float>::max(), std::numeric_limits<float>::max(), std::numeric_limits<float>::max());
XMFLOAT3 _max = XMFLOAT3(std::numeric_limits<float>::lowest(), std::numeric_limits<float>::lowest(), std::numeric_limits<float>::lowest());
for (size_t i = 0; i < vertex_positions_simulation.size(); ++i)
{
XMFLOAT3 pos = mesh.vertex_positions[i];
XMStoreFloat3(&pos, XMVector3Transform(XMLoadFloat3(&pos), W));
XMFLOAT3 nor = mesh.vertex_normals.empty() ? XMFLOAT3(1, 1, 1) : mesh.vertex_normals[i];
XMStoreFloat3(&nor, XMVector3Normalize(XMVector3TransformNormal(XMLoadFloat3(&nor), W)));
const uint8_t wind = mesh.vertex_windweights.empty() ? 0xFF : mesh.vertex_windweights[i];
vertex_positions_simulation[i].FromFULL(pos, nor, wind);
_min = wi::math::Min(_min, pos);
_max = wi::math::Max(_max, pos);
}
aabb = AABB(_min, _max);
if(physicsToGraphicsVertexMapping.empty())
{
// Create a mapping that maps unique vertex positions to all vertex indices that share that. Unique vertex positions will make up the physics mesh:
wi::unordered_map<size_t, uint32_t> uniquePositions;
graphicsToPhysicsVertexMapping.resize(mesh.vertex_positions.size());
physicsToGraphicsVertexMapping.clear();
weights.clear();
for (size_t i = 0; i < mesh.vertex_positions.size(); ++i)
{
const XMFLOAT3& position = mesh.vertex_positions[i];
size_t hashes[] = {
std::hash<float>{}(position.x),
std::hash<float>{}(position.y),
std::hash<float>{}(position.z),
};
size_t vertexHash = (((hashes[0] ^ (hashes[1] << 1) >> 1) ^ (hashes[2] << 1)) >> 1);
if (uniquePositions.count(vertexHash) == 0)
{
uniquePositions[vertexHash] = (uint32_t)physicsToGraphicsVertexMapping.size();
physicsToGraphicsVertexMapping.push_back((uint32_t)i);
}
graphicsToPhysicsVertexMapping[i] = uniquePositions[vertexHash];
}
weights.resize(physicsToGraphicsVertexMapping.size());
std::fill(weights.begin(), weights.end(), 1.0f);
}
}
void CameraComponent::CreatePerspective(float newWidth, float newHeight, float newNear, float newFar, float newFOV)
{
zNearP = newNear;
zFarP = newFar;
width = newWidth;
height = newHeight;
fov = newFOV;
SetCustomProjectionEnabled(false);
UpdateCamera();
}
void CameraComponent::UpdateCamera()
{
if (!IsCustomProjectionEnabled())
{
XMStoreFloat4x4(&Projection, XMMatrixPerspectiveFovLH(fov, width / height, zFarP, zNearP)); // reverse zbuffer!
Projection.m[2][0] = jitter.x;
Projection.m[2][1] = jitter.y;
}
XMVECTOR _Eye = XMLoadFloat3(&Eye);
XMVECTOR _At = XMLoadFloat3(&At);
XMVECTOR _Up = XMLoadFloat3(&Up);
XMMATRIX _V = XMMatrixLookToLH(_Eye, _At, _Up);
XMStoreFloat4x4(&View, _V);
XMMATRIX _P = XMLoadFloat4x4(&Projection);
XMMATRIX _InvP = XMMatrixInverse(nullptr, _P);
XMStoreFloat4x4(&InvProjection, _InvP);
XMMATRIX _VP = XMMatrixMultiply(_V, _P);
XMStoreFloat4x4(&View, _V);
XMStoreFloat4x4(&VP, _VP);
XMStoreFloat4x4(&InvView, XMMatrixInverse(nullptr, _V));
XMStoreFloat4x4(&InvVP, XMMatrixInverse(nullptr, _VP));
XMStoreFloat4x4(&Projection, _P);
XMStoreFloat4x4(&InvProjection, XMMatrixInverse(nullptr, _P));
frustum.Create(_VP);
}
void CameraComponent::TransformCamera(const TransformComponent& transform)
{
XMVECTOR S, R, T;
XMMatrixDecompose(&S, &R, &T, XMLoadFloat4x4(&transform.world));
XMVECTOR _Eye = T;
XMVECTOR _At = XMVectorSet(0, 0, 1, 0);
XMVECTOR _Up = XMVectorSet(0, 1, 0, 0);
XMMATRIX _Rot = XMMatrixRotationQuaternion(R);
_At = XMVector3TransformNormal(_At, _Rot);
_Up = XMVector3TransformNormal(_Up, _Rot);
XMStoreFloat3x3(&rotationMatrix, _Rot);
XMMATRIX _V = XMMatrixLookToLH(_Eye, _At, _Up);
XMStoreFloat4x4(&View, _V);
XMStoreFloat3(&Eye, _Eye);
XMStoreFloat3(&At, _At);
XMStoreFloat3(&Up, _Up);
}
void CameraComponent::Reflect(const XMFLOAT4& plane)
{
XMVECTOR _Eye = XMLoadFloat3(&Eye);
XMVECTOR _At = XMLoadFloat3(&At);
XMVECTOR _Up = XMLoadFloat3(&Up);
XMMATRIX _Ref = XMMatrixReflect(XMLoadFloat4(&plane));
// reverse clipping if behind clip plane ("if underwater")
clipPlane = plane;
float d = XMVectorGetX(XMPlaneDotCoord(XMLoadFloat4(&clipPlane), _Eye));
if (d < 0)
{
clipPlane.x *= -1;
clipPlane.y *= -1;
clipPlane.z *= -1;
clipPlane.w *= -1;
}
_Eye = XMVector3Transform(_Eye, _Ref);
_At = XMVector3TransformNormal(_At, _Ref);
_Up = XMVector3TransformNormal(_Up, _Ref);
XMStoreFloat3(&Eye, _Eye);
XMStoreFloat3(&At, _At);
XMStoreFloat3(&Up, _Up);
UpdateCamera();
}
const uint32_t small_subtask_groupsize = 64u;
void Scene::Update(float dt)
{
this->dt = dt;
GraphicsDevice* device = wi::graphics::GetDevice();
instanceArraySize = objects.GetCount() + hairs.GetCount() + emitters.GetCount();
if (instanceBuffer.desc.size < (instanceArraySize * sizeof(ShaderMeshInstance)))
{
GPUBufferDesc desc;
desc.stride = sizeof(ShaderMeshInstance);
desc.size = desc.stride * instanceArraySize * 2; // *2 to grow fast
desc.bind_flags = BindFlag::SHADER_RESOURCE;
desc.misc_flags = ResourceMiscFlag::BUFFER_RAW;
device->CreateBuffer(&desc, nullptr, &instanceBuffer);
device->SetName(&instanceBuffer, "Scene::instanceBuffer");
desc.usage = Usage::UPLOAD;
desc.bind_flags = BindFlag::NONE;
desc.misc_flags = ResourceMiscFlag::NONE;
for (int i = 0; i < arraysize(instanceUploadBuffer); ++i)
{
device->CreateBuffer(&desc, nullptr, &instanceUploadBuffer[i]);
device->SetName(&instanceUploadBuffer[i], "Scene::instanceUploadBuffer");
}
}
instanceArrayMapped = (ShaderMeshInstance*)instanceUploadBuffer[device->GetBufferIndex()].mapped_data;
materialArraySize = materials.GetCount();
if (materialBuffer.desc.size < (materialArraySize * sizeof(ShaderMaterial)))
{
GPUBufferDesc desc;
desc.stride = sizeof(ShaderMaterial);
desc.size = desc.stride * materialArraySize * 2; // *2 to grow fast
desc.bind_flags = BindFlag::SHADER_RESOURCE;
desc.misc_flags = ResourceMiscFlag::BUFFER_RAW;
device->CreateBuffer(&desc, nullptr, &materialBuffer);
device->SetName(&materialBuffer, "Scene::materialBuffer");
desc.usage = Usage::UPLOAD;
desc.bind_flags = BindFlag::NONE;
desc.misc_flags = ResourceMiscFlag::NONE;
for (int i = 0; i < arraysize(materialUploadBuffer); ++i)
{
device->CreateBuffer(&desc, nullptr, &materialUploadBuffer[i]);
device->SetName(&materialUploadBuffer[i], "Scene::materialUploadBuffer");
}
}
materialArrayMapped = (ShaderMaterial*)materialUploadBuffer[device->GetBufferIndex()].mapped_data;
TLAS_instancesMapped = nullptr;
if (device->CheckCapability(GraphicsDeviceCapability::RAYTRACING))
{
GPUBufferDesc desc;
desc.stride = (uint32_t)device->GetTopLevelAccelerationStructureInstanceSize();
desc.size = desc.stride * instanceArraySize * 2; // *2 to grow fast
desc.usage = Usage::UPLOAD;
if (TLAS_instancesUpload->desc.size < desc.size)
{
for (int i = 0; i < arraysize(TLAS_instancesUpload); ++i)
{
device->CreateBuffer(&desc, nullptr, &TLAS_instancesUpload[i]);
device->SetName(&TLAS_instancesUpload[i], "Scene::TLAS_instancesUpload");
}
}
TLAS_instancesMapped = TLAS_instancesUpload[device->GetBufferIndex()].mapped_data;
}
// Occlusion culling read:
if(wi::renderer::GetOcclusionCullingEnabled() && !wi::renderer::GetFreezeCullingCameraEnabled())
{
uint32_t minQueryCount = uint32_t(objects.GetCount() + lights.GetCount() + 1); // +1 : ocean
if (queryHeap.desc.query_count < minQueryCount)
{
GPUQueryHeapDesc desc;
desc.type = GpuQueryType::OCCLUSION_BINARY;
desc.query_count = minQueryCount * 2; // *2 to grow fast
bool success = device->CreateQueryHeap(&desc, &queryHeap);
assert(success);
GPUBufferDesc bd;
bd.usage = Usage::READBACK;
bd.size = desc.query_count * sizeof(uint64_t);
for (int i = 0; i < arraysize(queryResultBuffer); ++i)
{
success = device->CreateBuffer(&bd, nullptr, &queryResultBuffer[i]);
assert(success);
device->SetName(&queryResultBuffer[i], "Scene::queryResultBuffer");
}
if (device->CheckCapability(GraphicsDeviceCapability::PREDICATION))
{
bd.usage = Usage::DEFAULT;
bd.misc_flags |= ResourceMiscFlag::PREDICATION;
success = device->CreateBuffer(&bd, nullptr, &queryPredicationBuffer);
assert(success);
device->SetName(&queryPredicationBuffer, "Scene::queryPredicationBuffer");
}
}
// Advance to next query result buffer to use (this will be the oldest one that was written)
queryheap_idx = (queryheap_idx + 1) % arraysize(queryResultBuffer);
// Clear query allocation state:
queryAllocator.store(0);
}
wi::jobsystem::context ctx;
// Scan mesh subset counts to allocate GPU geometry data:
geometryAllocator.store(0u);
wi::jobsystem::Dispatch(ctx, (uint32_t)meshes.GetCount(), small_subtask_groupsize, [&](wi::jobsystem::JobArgs args) {
MeshComponent& mesh = meshes[args.jobIndex];
mesh.geometryOffset = geometryAllocator.fetch_add((uint32_t)mesh.subsets.size());
});
wi::jobsystem::Execute(ctx, [&](wi::jobsystem::JobArgs args) {
// Must not keep inactive TLAS instances, so zero them out for safety:
std::memset(TLAS_instancesMapped, 0, TLAS_instancesUpload->desc.size);
});
wi::physics::RunPhysicsUpdateSystem(ctx, *this, dt);
RunAnimationUpdateSystem(ctx);
RunTransformUpdateSystem(ctx);
wi::jobsystem::Wait(ctx); // dependencies
RunHierarchyUpdateSystem(ctx);
// GPU subset count allocation is ready at this point:
geometryArraySize = geometryAllocator.load();
geometryArraySize += hairs.GetCount();
geometryArraySize += emitters.GetCount();
if (geometryBuffer.desc.size < (geometryArraySize * sizeof(ShaderGeometry)))
{
GPUBufferDesc desc;
desc.stride = sizeof(ShaderGeometry);
desc.size = desc.stride * geometryArraySize * 2; // *2 to grow fast
desc.bind_flags = BindFlag::SHADER_RESOURCE;
desc.misc_flags = ResourceMiscFlag::BUFFER_RAW;
device->CreateBuffer(&desc, nullptr, &geometryBuffer);
device->SetName(&geometryBuffer, "Scene::geometryBuffer");
desc.usage = Usage::UPLOAD;
desc.bind_flags = BindFlag::NONE;
desc.misc_flags = ResourceMiscFlag::NONE;
for (int i = 0; i < arraysize(geometryUploadBuffer); ++i)
{
device->CreateBuffer(&desc, nullptr, &geometryUploadBuffer[i]);
device->SetName(&geometryUploadBuffer[i], "Scene::geometryUploadBuffer");
}
}
geometryArrayMapped = (ShaderGeometry*)geometryUploadBuffer[device->GetBufferIndex()].mapped_data;
RunMeshUpdateSystem(ctx);
RunMaterialUpdateSystem(ctx);
wi::jobsystem::Wait(ctx); // dependencies
RunSpringUpdateSystem(ctx);
RunInverseKinematicsUpdateSystem(ctx);
RunArmatureUpdateSystem(ctx);
RunImpostorUpdateSystem(ctx);
RunWeatherUpdateSystem(ctx);
wi::jobsystem::Wait(ctx); // dependencies
RunObjectUpdateSystem(ctx);
RunCameraUpdateSystem(ctx);
RunDecalUpdateSystem(ctx);
RunProbeUpdateSystem(ctx);
RunForceUpdateSystem(ctx);
RunLightUpdateSystem(ctx);
RunParticleUpdateSystem(ctx);
RunSoundUpdateSystem(ctx);
wi::jobsystem::Wait(ctx); // dependencies
// Merge parallel bounds computation (depends on object update system):
bounds = AABB();
for (auto& group_bound : parallel_bounds)
{
bounds = AABB::Merge(bounds, group_bound);
}
// Meshlet buffer:
uint32_t meshletCount = meshletAllocator.load();
if(meshletBuffer.desc.size < meshletCount * sizeof(ShaderMeshlet))
{
GPUBufferDesc desc;
desc.stride = sizeof(ShaderMeshlet);
desc.size = desc.stride * meshletCount * 2; // *2 to grow fast
desc.bind_flags = BindFlag::SHADER_RESOURCE | BindFlag::UNORDERED_ACCESS;
desc.misc_flags = ResourceMiscFlag::BUFFER_RAW;
bool success = device->CreateBuffer(&desc, nullptr, &meshletBuffer);
assert(success);
device->SetName(&meshletBuffer, "meshletBuffer");
}
if (lightmap_refresh_needed.load())
{
SetAccelerationStructureUpdateRequested(true);
}
if (device->CheckCapability(GraphicsDeviceCapability::RAYTRACING))
{
// Recreate top level acceleration structure if the object count changed:
if (TLAS.desc.top_level.count < instanceArraySize)
{
RaytracingAccelerationStructureDesc desc;
desc.flags = RaytracingAccelerationStructureDesc::FLAG_PREFER_FAST_BUILD;
desc.type = RaytracingAccelerationStructureDesc::Type::TOPLEVEL;
desc.top_level.count = (uint32_t)instanceArraySize * 2; // *2 to grow fast
GPUBufferDesc bufdesc;
bufdesc.misc_flags |= ResourceMiscFlag::RAY_TRACING;
bufdesc.stride = (uint32_t)device->GetTopLevelAccelerationStructureInstanceSize();
bufdesc.size = bufdesc.stride * desc.top_level.count;
bool success = device->CreateBuffer(&bufdesc, nullptr, &desc.top_level.instance_buffer);
assert(success);
device->SetName(&desc.top_level.instance_buffer, "Scene::TLAS.instanceBuffer");
success = device->CreateRaytracingAccelerationStructure(&desc, &TLAS);
assert(success);
device->SetName(&TLAS, "Scene::TLAS");
}
}
if (!device->CheckCapability(GraphicsDeviceCapability::RAYTRACING) && IsAccelerationStructureUpdateRequested())
{
BVH.Update(*this);
}
// Update water ripples:
for (size_t i = 0; i < waterRipples.size(); ++i)
{
auto& ripple = waterRipples[i];
ripple.Update(dt * 60);
// Remove inactive ripples:
if (ripple.params.opacity <= 0 + FLT_EPSILON || ripple.params.fade >= 1 - FLT_EPSILON)
{
ripple = waterRipples.back();
waterRipples.pop_back();
i--;
}
}
if (wi::renderer::GetSurfelGIEnabled())
{
if (!surfelBuffer.IsValid())
{
GPUBufferDesc desc;
desc.stride = sizeof(Surfel);
desc.size = desc.stride * SURFEL_CAPACITY;
desc.misc_flags = ResourceMiscFlag::BUFFER_STRUCTURED;
desc.bind_flags = BindFlag::SHADER_RESOURCE | BindFlag::UNORDERED_ACCESS;
device->CreateBuffer(&desc, nullptr, &surfelBuffer);
device->SetName(&surfelBuffer, "surfelBuffer");
desc.stride = sizeof(SurfelData);
desc.size = desc.stride * SURFEL_CAPACITY;
desc.misc_flags = ResourceMiscFlag::BUFFER_STRUCTURED;
device->CreateBuffer(&desc, nullptr, &surfelDataBuffer);
device->SetName(&surfelDataBuffer, "surfelDataBuffer");
desc.stride = sizeof(uint);
desc.size = desc.stride * SURFEL_CAPACITY;
desc.misc_flags = ResourceMiscFlag::BUFFER_STRUCTURED;
device->CreateBuffer(&desc, nullptr, &surfelAliveBuffer[0]);
device->SetName(&surfelAliveBuffer[0], "surfelAliveBuffer[0]");
device->CreateBuffer(&desc, nullptr, &surfelAliveBuffer[1]);
device->SetName(&surfelAliveBuffer[1], "surfelAliveBuffer[1]");
wi::vector<uint32_t> dead_indices(SURFEL_CAPACITY);
for (uint32_t i = 0; i < dead_indices.size(); ++i)
{
dead_indices[i] = uint32_t(dead_indices.size() - 1 - i);
}
device->CreateBuffer(&desc, dead_indices.data(), &surfelDeadBuffer);
device->SetName(&surfelDeadBuffer, "surfelDeadBuffer");
desc.stride = sizeof(uint);
desc.size = SURFEL_STATS_SIZE;
desc.misc_flags = ResourceMiscFlag::BUFFER_RAW;
uint stats_data[] = { 0,0,SURFEL_CAPACITY,0,0,0 };
device->CreateBuffer(&desc, &stats_data, &surfelStatsBuffer);
device->SetName(&surfelStatsBuffer, "surfelStatsBuffer");
desc.stride = sizeof(uint);
desc.size = SURFEL_INDIRECT_SIZE;
desc.misc_flags = ResourceMiscFlag::BUFFER_RAW | ResourceMiscFlag::INDIRECT_ARGS;
uint indirect_data[] = { 0,0,0, 0,0,0, 0,0,0 };
device->CreateBuffer(&desc, &indirect_data, &surfelIndirectBuffer);
device->SetName(&surfelIndirectBuffer, "surfelIndirectBuffer");
desc.stride = sizeof(SurfelGridCell);
desc.size = desc.stride * SURFEL_TABLE_SIZE;
desc.misc_flags = ResourceMiscFlag::BUFFER_STRUCTURED;
device->CreateBuffer(&desc, nullptr, &surfelGridBuffer);
device->SetName(&surfelGridBuffer, "surfelGridBuffer");
desc.stride = sizeof(uint);
desc.size = desc.stride * SURFEL_CAPACITY * 27; // each surfel can be in 3x3x3=27 cells
desc.misc_flags = ResourceMiscFlag::BUFFER_STRUCTURED;
device->CreateBuffer(&desc, nullptr, &surfelCellBuffer);
device->SetName(&surfelCellBuffer, "surfelCellBuffer");
desc.stride = sizeof(SurfelRayDataPacked);
desc.size = desc.stride * SURFEL_RAY_BUDGET;
desc.misc_flags = ResourceMiscFlag::BUFFER_STRUCTURED;
device->CreateBuffer(&desc, nullptr, &surfelRayBuffer);
device->SetName(&surfelRayBuffer, "surfelRayBuffer");
TextureDesc tex;
tex.width = SURFEL_MOMENT_ATLAS_TEXELS;
tex.height = SURFEL_MOMENT_ATLAS_TEXELS;
tex.format = Format::R16G16_FLOAT;
tex.bind_flags = BindFlag::UNORDERED_ACCESS | BindFlag::SHADER_RESOURCE;
device->CreateTexture(&tex, nullptr, &surfelMomentsTexture[0]);
device->SetName(&surfelMomentsTexture[0], "surfelMomentsTexture[0]");
device->CreateTexture(&tex, nullptr, &surfelMomentsTexture[1]);
device->SetName(&surfelMomentsTexture[1], "surfelMomentsTexture[1]");
}
std::swap(surfelAliveBuffer[0], surfelAliveBuffer[1]);
std::swap(surfelMomentsTexture[0], surfelMomentsTexture[1]);
}
if (wi::renderer::GetDDGIEnabled())
{
ddgi_frameIndex++;
if (!ddgiColorTexture[0].IsValid())
{
ddgi_frameIndex = 0;
GPUBufferDesc buf;
buf.stride = sizeof(DDGIRayDataPacked);
buf.size = buf.stride * DDGI_PROBE_COUNT * DDGI_MAX_RAYCOUNT;
buf.bind_flags = BindFlag::UNORDERED_ACCESS | BindFlag::SHADER_RESOURCE;
buf.misc_flags = ResourceMiscFlag::BUFFER_STRUCTURED;
device->CreateBuffer(&buf, nullptr, &ddgiRayBuffer);
device->SetName(&ddgiRayBuffer, "ddgiRayBuffer");
buf.stride = sizeof(DDGIProbeOffset);
buf.size = buf.stride * DDGI_PROBE_COUNT;
buf.bind_flags = BindFlag::UNORDERED_ACCESS | BindFlag::SHADER_RESOURCE;
buf.misc_flags = ResourceMiscFlag::BUFFER_RAW;
device->CreateBuffer(&buf, nullptr, &ddgiOffsetBuffer);
device->SetName(&ddgiOffsetBuffer, "ddgiOffsetBuffer");
TextureDesc tex;
tex.width = DDGI_COLOR_TEXTURE_WIDTH;
tex.height = DDGI_COLOR_TEXTURE_HEIGHT;
//tex.format = Format::R11G11B10_FLOAT; // not enough precision with this format, causes green hue in GI
tex.format = Format::R16G16B16A16_FLOAT;
tex.bind_flags = BindFlag::UNORDERED_ACCESS | BindFlag::SHADER_RESOURCE;
device->CreateTexture(&tex, nullptr, &ddgiColorTexture[0]);
device->SetName(&ddgiColorTexture[0], "ddgiColorTexture[0]");
device->CreateTexture(&tex, nullptr, &ddgiColorTexture[1]);
device->SetName(&ddgiColorTexture[1], "ddgiColorTexture[1]");
tex.width = DDGI_DEPTH_TEXTURE_WIDTH;
tex.height = DDGI_DEPTH_TEXTURE_HEIGHT;
tex.format = Format::R16G16_FLOAT;
tex.bind_flags = BindFlag::UNORDERED_ACCESS | BindFlag::SHADER_RESOURCE;
device->CreateTexture(&tex, nullptr, &ddgiDepthTexture[0]);
device->SetName(&ddgiDepthTexture[0], "ddgiDepthTexture[0]");
device->CreateTexture(&tex, nullptr, &ddgiDepthTexture[1]);
device->SetName(&ddgiDepthTexture[1], "ddgiDepthTexture[1]");
}
std::swap(ddgiColorTexture[0], ddgiColorTexture[1]);
std::swap(ddgiDepthTexture[0], ddgiDepthTexture[1]);
}
else if (ddgiColorTexture[0].IsValid())
{
ddgiRayBuffer = {};
ddgiOffsetBuffer = {};
ddgiColorTexture[0] = {};
ddgiColorTexture[1] = {};
ddgiDepthTexture[0] = {};
ddgiDepthTexture[1] = {};
}
// Shader scene resources:
shaderscene.instancebuffer = device->GetDescriptorIndex(&instanceBuffer, SubresourceType::SRV);
shaderscene.geometrybuffer = device->GetDescriptorIndex(&geometryBuffer, SubresourceType::SRV);
shaderscene.materialbuffer = device->GetDescriptorIndex(&materialBuffer, SubresourceType::SRV);
shaderscene.meshletbuffer = device->GetDescriptorIndex(&meshletBuffer, SubresourceType::SRV);
shaderscene.envmaparray = device->GetDescriptorIndex(&envmapArray, SubresourceType::SRV);
if (weather.skyMap.IsValid())
{
shaderscene.globalenvmap = device->GetDescriptorIndex(&weather.skyMap.GetTexture(), SubresourceType::SRV);
}
else
{
shaderscene.globalenvmap = -1;
}
shaderscene.TLAS = device->GetDescriptorIndex(&TLAS, SubresourceType::SRV);
shaderscene.BVH_counter = device->GetDescriptorIndex(&BVH.primitiveCounterBuffer, SubresourceType::SRV);
shaderscene.BVH_nodes = device->GetDescriptorIndex(&BVH.bvhNodeBuffer, SubresourceType::SRV);
shaderscene.BVH_primitives = device->GetDescriptorIndex(&BVH.primitiveBuffer, SubresourceType::SRV);
shaderscene.aabb_min = bounds.getMin();
shaderscene.aabb_max = bounds.getMax();
shaderscene.aabb_extents.x = abs(shaderscene.aabb_max.x - shaderscene.aabb_min.x);
shaderscene.aabb_extents.y = abs(shaderscene.aabb_max.y - shaderscene.aabb_min.y);
shaderscene.aabb_extents.z = abs(shaderscene.aabb_max.z - shaderscene.aabb_min.z);
shaderscene.aabb_extents_rcp.x = 1.0f / shaderscene.aabb_extents.x;
shaderscene.aabb_extents_rcp.y = 1.0f / shaderscene.aabb_extents.y;
shaderscene.aabb_extents_rcp.z = 1.0f / shaderscene.aabb_extents.z;
shaderscene.weather.sun_color = weather.sunColor;
shaderscene.weather.sun_direction = weather.sunDirection;
shaderscene.weather.sun_energy = weather.sunEnergy;
shaderscene.weather.most_important_light_index = weather.most_important_light_index;
shaderscene.weather.ambient = weather.ambient;
shaderscene.weather.cloudiness = weather.cloudiness;
shaderscene.weather.cloud_scale = weather.cloudScale;
shaderscene.weather.cloud_speed = weather.cloudSpeed;
shaderscene.weather.cloud_shadow_amount = weather.cloud_shadow_amount;
shaderscene.weather.cloud_shadow_scale = weather.cloud_shadow_scale;
shaderscene.weather.cloud_shadow_speed = weather.cloud_shadow_speed;
shaderscene.weather.fog.start = weather.fogStart;
shaderscene.weather.fog.end = weather.fogEnd;
shaderscene.weather.fog.height_start = weather.fogHeightStart;
shaderscene.weather.fog.height_end = weather.fogHeightEnd;
shaderscene.weather.fog.height_sky = weather.fogHeightSky;
shaderscene.weather.horizon = weather.horizon;
shaderscene.weather.zenith = weather.zenith;
shaderscene.weather.sky_exposure = weather.skyExposure;
shaderscene.weather.wind.speed = weather.windSpeed;
shaderscene.weather.wind.randomness = weather.windRandomness;
shaderscene.weather.wind.wavesize = weather.windWaveSize;
shaderscene.weather.wind.direction = weather.windDirection;
shaderscene.weather.atmosphere = weather.atmosphereParameters;
shaderscene.weather.volumetric_clouds = weather.volumetricCloudParameters;
shaderscene.weather.ocean.water_color = weather.oceanParameters.waterColor;
shaderscene.weather.ocean.water_height = weather.oceanParameters.waterHeight;
shaderscene.weather.ocean.patch_size_rcp = 1.0f / weather.oceanParameters.patch_length;
shaderscene.weather.ocean.texture_displacementmap = device->GetDescriptorIndex(ocean.getDisplacementMap(), SubresourceType::SRV);
shaderscene.weather.ocean.texture_gradientmap = device->GetDescriptorIndex(ocean.getGradientMap(), SubresourceType::SRV);
shaderscene.weather.stars = weather.stars;
XMStoreFloat4x4(&shaderscene.weather.stars_rotation, XMMatrixRotationQuaternion(XMLoadFloat4(&weather.stars_rotation_quaternion)));
shaderscene.ddgi.color_texture = device->GetDescriptorIndex(&ddgiColorTexture[0], SubresourceType::SRV);
shaderscene.ddgi.depth_texture = device->GetDescriptorIndex(&ddgiDepthTexture[0], SubresourceType::SRV);
shaderscene.ddgi.offset_buffer = device->GetDescriptorIndex(&ddgiOffsetBuffer, SubresourceType::SRV);
shaderscene.ddgi.grid_min.x = shaderscene.aabb_min.x - 1;
shaderscene.ddgi.grid_min.y = shaderscene.aabb_min.y - 1;
shaderscene.ddgi.grid_min.z = shaderscene.aabb_min.z - 1;
float3 grid_max = shaderscene.aabb_max;
grid_max.x += 1;
grid_max.y += 1;
grid_max.z += 1;
shaderscene.ddgi.grid_extents.x = abs(grid_max.x - shaderscene.ddgi.grid_min.x);
shaderscene.ddgi.grid_extents.y = abs(grid_max.y - shaderscene.ddgi.grid_min.y);
shaderscene.ddgi.grid_extents.z = abs(grid_max.z - shaderscene.ddgi.grid_min.z);
shaderscene.ddgi.grid_extents_rcp.x = 1.0f / shaderscene.ddgi.grid_extents.x;
shaderscene.ddgi.grid_extents_rcp.y = 1.0f / shaderscene.ddgi.grid_extents.y;
shaderscene.ddgi.grid_extents_rcp.z = 1.0f / shaderscene.ddgi.grid_extents.z;
shaderscene.ddgi.cell_size.x = shaderscene.ddgi.grid_extents.x / (DDGI_GRID_DIMENSIONS.x - 1);
shaderscene.ddgi.cell_size.y = shaderscene.ddgi.grid_extents.y / (DDGI_GRID_DIMENSIONS.y - 1);
shaderscene.ddgi.cell_size.z = shaderscene.ddgi.grid_extents.z / (DDGI_GRID_DIMENSIONS.z - 1);
shaderscene.ddgi.cell_size_rcp.x = 1.0f / shaderscene.ddgi.cell_size.x;
shaderscene.ddgi.cell_size_rcp.y = 1.0f / shaderscene.ddgi.cell_size.y;
shaderscene.ddgi.cell_size_rcp.z = 1.0f / shaderscene.ddgi.cell_size.z;
shaderscene.ddgi.max_distance = std::max(shaderscene.ddgi.cell_size.x, std::max(shaderscene.ddgi.cell_size.y, shaderscene.ddgi.cell_size.z)) * 1.5f;
}
void Scene::Clear()
{
names.Clear();
layers.Clear();
transforms.Clear();
hierarchy.Clear();
materials.Clear();
meshes.Clear();
impostors.Clear();
objects.Clear();
aabb_objects.Clear();
rigidbodies.Clear();
softbodies.Clear();
armatures.Clear();
lights.Clear();
aabb_lights.Clear();
cameras.Clear();
probes.Clear();
aabb_probes.Clear();
forces.Clear();
decals.Clear();
aabb_decals.Clear();
animations.Clear();
animation_datas.Clear();
emitters.Clear();
hairs.Clear();
weathers.Clear();
sounds.Clear();
inverse_kinematics.Clear();
springs.Clear();
TLAS = RaytracingAccelerationStructure();
BVH.Clear();
waterRipples.clear();
surfelBuffer = {};
surfelDataBuffer = {};
surfelAliveBuffer[0] = {};
surfelAliveBuffer[1] = {};
surfelDeadBuffer = {};
surfelStatsBuffer = {};
surfelGridBuffer = {};
surfelCellBuffer = {};
}
void Scene::Merge(Scene& other)
{
names.Merge(other.names);
layers.Merge(other.layers);
transforms.Merge(other.transforms);
hierarchy.Merge(other.hierarchy);
materials.Merge(other.materials);
meshes.Merge(other.meshes);
impostors.Merge(other.impostors);
objects.Merge(other.objects);
aabb_objects.Merge(other.aabb_objects);
rigidbodies.Merge(other.rigidbodies);
softbodies.Merge(other.softbodies);
armatures.Merge(other.armatures);
lights.Merge(other.lights);
aabb_lights.Merge(other.aabb_lights);
cameras.Merge(other.cameras);
probes.Merge(other.probes);
aabb_probes.Merge(other.aabb_probes);
forces.Merge(other.forces);
decals.Merge(other.decals);
aabb_decals.Merge(other.aabb_decals);
animations.Merge(other.animations);
animation_datas.Merge(other.animation_datas);
emitters.Merge(other.emitters);
hairs.Merge(other.hairs);
weathers.Merge(other.weathers);
sounds.Merge(other.sounds);
inverse_kinematics.Merge(other.inverse_kinematics);
springs.Merge(other.springs);
bounds = AABB::Merge(bounds, other.bounds);
}
void Scene::Entity_Remove(Entity entity, bool recursive)
{
if (recursive)
{
wi::vector<Entity> entities_to_remove;
for (size_t i = 0; i < hierarchy.GetCount(); ++i)
{
const HierarchyComponent& hier = hierarchy[i];
if (hier.parentID == entity)
{
Entity child = hierarchy.GetEntity(i);
entities_to_remove.push_back(child);
}
}
for (auto& child : entities_to_remove)
{
Entity_Remove(child);
}
}
names.Remove(entity);
layers.Remove(entity);
transforms.Remove(entity);
hierarchy.Remove(entity);
materials.Remove(entity);
meshes.Remove(entity);
impostors.Remove(entity);
objects.Remove(entity);
aabb_objects.Remove(entity);
rigidbodies.Remove(entity);
softbodies.Remove(entity);
armatures.Remove(entity);
lights.Remove(entity);
aabb_lights.Remove(entity);
cameras.Remove(entity);
probes.Remove(entity);
aabb_probes.Remove(entity);
forces.Remove(entity);
decals.Remove(entity);
aabb_decals.Remove(entity);
animations.Remove(entity);
animation_datas.Remove(entity);
emitters.Remove(entity);
hairs.Remove(entity);
weathers.Remove(entity);
sounds.Remove(entity);
inverse_kinematics.Remove(entity);
springs.Remove(entity);
}
Entity Scene::Entity_FindByName(const std::string& name)
{
for (size_t i = 0; i < names.GetCount(); ++i)
{
if (names[i] == name)
{
return names.GetEntity(i);
}
}
return INVALID_ENTITY;
}
Entity Scene::Entity_Duplicate(Entity entity)
{
wi::Archive archive;
EntitySerializer seri;
// First write the root entity to staging area:
archive.SetReadModeAndResetPos(false);
Entity_Serialize(archive, seri, entity, EntitySerializeFlags::RECURSIVE);
// Then deserialize root:
archive.SetReadModeAndResetPos(true);
Entity root = Entity_Serialize(archive, seri, INVALID_ENTITY, EntitySerializeFlags::RECURSIVE | EntitySerializeFlags::KEEP_INTERNAL_ENTITY_REFERENCES);
return root;
}
Entity Scene::Entity_CreateMaterial(
const std::string& name
)
{
Entity entity = CreateEntity();
names.Create(entity) = name;
materials.Create(entity);
return entity;
}
Entity Scene::Entity_CreateObject(
const std::string& name
)
{
Entity entity = CreateEntity();
names.Create(entity) = name;
layers.Create(entity);
transforms.Create(entity);
aabb_objects.Create(entity);
objects.Create(entity);
return entity;
}
Entity Scene::Entity_CreateMesh(
const std::string& name
)
{
Entity entity = CreateEntity();
names.Create(entity) = name;
meshes.Create(entity);
return entity;
}
Entity Scene::Entity_CreateLight(
const std::string& name,
const XMFLOAT3& position,
const XMFLOAT3& color,
float energy,
float range,
LightComponent::LightType type)
{
Entity entity = CreateEntity();
names.Create(entity) = name;
layers.Create(entity);
TransformComponent& transform = transforms.Create(entity);
transform.Translate(position);
transform.UpdateTransform();
aabb_lights.Create(entity).createFromHalfWidth(position, XMFLOAT3(range, range, range));
LightComponent& light = lights.Create(entity);
light.energy = energy;
light.range_local = range;
light.fov = XM_PIDIV4;
light.color = color;
light.SetType(type);
return entity;
}
Entity Scene::Entity_CreateForce(
const std::string& name,
const XMFLOAT3& position
)
{
Entity entity = CreateEntity();
names.Create(entity) = name;
layers.Create(entity);
TransformComponent& transform = transforms.Create(entity);
transform.Translate(position);
transform.UpdateTransform();
ForceFieldComponent& force = forces.Create(entity);
force.gravity = 0;
force.range_local = 0;
force.type = ENTITY_TYPE_FORCEFIELD_POINT;
return entity;
}
Entity Scene::Entity_CreateEnvironmentProbe(
const std::string& name,
const XMFLOAT3& position
)
{
Entity entity = CreateEntity();
names.Create(entity) = name;
layers.Create(entity);
TransformComponent& transform = transforms.Create(entity);
transform.Translate(position);
transform.UpdateTransform();
aabb_probes.Create(entity);
probes.Create(entity);
return entity;
}
Entity Scene::Entity_CreateDecal(
const std::string& name,
const std::string& textureName,
const std::string& normalMapName
)
{
Entity entity = CreateEntity();
names.Create(entity) = name;
layers.Create(entity);
transforms.Create(entity);
aabb_decals.Create(entity);
decals.Create(entity);
MaterialComponent& material = materials.Create(entity);
material.textures[MaterialComponent::BASECOLORMAP].name = textureName;
material.textures[MaterialComponent::NORMALMAP].name = normalMapName;
material.CreateRenderData();
return entity;
}
Entity Scene::Entity_CreateCamera(
const std::string& name,
float width, float height, float nearPlane, float farPlane, float fov
)
{
Entity entity = CreateEntity();
names.Create(entity) = name;
layers.Create(entity);
transforms.Create(entity);
CameraComponent& camera = cameras.Create(entity);
camera.CreatePerspective(width, height, nearPlane, farPlane, fov);
return entity;
}
Entity Scene::Entity_CreateEmitter(
const std::string& name,
const XMFLOAT3& position
)
{
Entity entity = CreateEntity();
names.Create(entity) = name;
emitters.Create(entity).count = 10;
TransformComponent& transform = transforms.Create(entity);
transform.Translate(position);
transform.UpdateTransform();
materials.Create(entity).userBlendMode = BLENDMODE_ALPHA;
return entity;
}
Entity Scene::Entity_CreateHair(
const std::string& name,
const XMFLOAT3& position
)
{
Entity entity = CreateEntity();
names.Create(entity) = name;
hairs.Create(entity);
TransformComponent& transform = transforms.Create(entity);
transform.Translate(position);
transform.UpdateTransform();
materials.Create(entity);
return entity;
}
Entity Scene::Entity_CreateSound(
const std::string& name,
const std::string& filename,
const XMFLOAT3& position
)
{
Entity entity = CreateEntity();
names.Create(entity) = name;
SoundComponent& sound = sounds.Create(entity);
sound.filename = filename;
sound.soundResource = wi::resourcemanager::Load(filename, wi::resourcemanager::Flags::IMPORT_RETAIN_FILEDATA);
wi::audio::CreateSoundInstance(&sound.soundResource.GetSound(), &sound.soundinstance);
TransformComponent& transform = transforms.Create(entity);
transform.Translate(position);
transform.UpdateTransform();
return entity;
}
void Scene::Component_Attach(Entity entity, Entity parent, bool child_already_in_local_space)
{
assert(entity != parent);
if (hierarchy.Contains(entity))
{
Component_Detach(entity);
}
HierarchyComponent& parentcomponent = hierarchy.Create(entity);
parentcomponent.parentID = parent;
TransformComponent* transform_parent = transforms.GetComponent(parent);
TransformComponent* transform_child = transforms.GetComponent(entity);
if (transform_parent != nullptr && transform_child != nullptr)
{
if (!child_already_in_local_space)
{
XMMATRIX B = XMMatrixInverse(nullptr, XMLoadFloat4x4(&transform_parent->world));
transform_child->MatrixTransform(B);
transform_child->UpdateTransform();
}
transform_child->UpdateTransform_Parented(*transform_parent);
}
}
void Scene::Component_Detach(Entity entity)
{
const HierarchyComponent* parent = hierarchy.GetComponent(entity);
if (parent != nullptr)
{
TransformComponent* transform = transforms.GetComponent(entity);
if (transform != nullptr)
{
transform->ApplyTransform();
}
LayerComponent* layer = layers.GetComponent(entity);
if (layer != nullptr)
{
layer->propagationMask = ~0;
}
hierarchy.Remove(entity);
}
}
void Scene::Component_DetachChildren(Entity parent)
{
for (size_t i = 0; i < hierarchy.GetCount(); )
{
if (hierarchy[i].parentID == parent)
{
Entity entity = hierarchy.GetEntity(i);
Component_Detach(entity);
}
else
{
++i;
}
}
}
void Scene::RunAnimationUpdateSystem(wi::jobsystem::context& ctx)
{
for (size_t i = 0; i < animations.GetCount(); ++i)
{
AnimationComponent& animation = animations[i];
if (!animation.IsPlaying() && animation.timer == 0.0f)
{
continue;
}
for (const AnimationComponent::AnimationChannel& channel : animation.channels)
{
assert(channel.samplerIndex < (int)animation.samplers.size());
AnimationComponent::AnimationSampler& sampler = animation.samplers[channel.samplerIndex];
if (sampler.data == INVALID_ENTITY)
{
// backwards-compatibility mode
sampler.data = CreateEntity();
animation_datas.Create(sampler.data) = sampler.backwards_compatibility_data;
sampler.backwards_compatibility_data.keyframe_times.clear();
sampler.backwards_compatibility_data.keyframe_data.clear();
}
const AnimationDataComponent* animationdata = animation_datas.GetComponent(sampler.data);
if (animationdata == nullptr)
{
continue;
}
int keyLeft = 0;
int keyRight = 0;
if (animationdata->keyframe_times.back() < animation.timer)
{
// Rightmost keyframe is already outside animation, so just snap to last keyframe:
keyLeft = keyRight = (int)animationdata->keyframe_times.size() - 1;
}
else
{
// Search for the right keyframe (greater/equal to anim time):
while (animationdata->keyframe_times[keyRight++] < animation.timer) {}
keyRight--;
// Left keyframe is just near right:
keyLeft = std::max(0, keyRight - 1);
}
float left = animationdata->keyframe_times[keyLeft];
TransformComponent transform;
TransformComponent* target_transform = nullptr;
MeshComponent* target_mesh = nullptr;
if (channel.path == AnimationComponent::AnimationChannel::Path::WEIGHTS)
{
ObjectComponent* object = objects.GetComponent(channel.target);
if (object == nullptr)
continue;
target_mesh = meshes.GetComponent(object->meshID);
if (target_mesh == nullptr)
continue;
animation.morph_weights_temp.resize(target_mesh->targets.size());
}
else
{
target_transform = transforms.GetComponent(channel.target);
if (target_transform == nullptr)
continue;
transform = *target_transform;
}
switch (sampler.mode)
{
default:
case AnimationComponent::AnimationSampler::Mode::STEP:
{
// Nearest neighbor method (snap to left):
switch (channel.path)
{
default:
case AnimationComponent::AnimationChannel::Path::TRANSLATION:
{
assert(animationdata->keyframe_data.size() == animationdata->keyframe_times.size() * 3);
transform.translation_local = ((const XMFLOAT3*)animationdata->keyframe_data.data())[keyLeft];
}
break;
case AnimationComponent::AnimationChannel::Path::ROTATION:
{
assert(animationdata->keyframe_data.size() == animationdata->keyframe_times.size() * 4);
transform.rotation_local = ((const XMFLOAT4*)animationdata->keyframe_data.data())[keyLeft];
}
break;
case AnimationComponent::AnimationChannel::Path::SCALE:
{
assert(animationdata->keyframe_data.size() == animationdata->keyframe_times.size() * 3);
transform.scale_local = ((const XMFLOAT3*)animationdata->keyframe_data.data())[keyLeft];
}
break;
case AnimationComponent::AnimationChannel::Path::WEIGHTS:
{
assert(animationdata->keyframe_data.size() == animationdata->keyframe_times.size() * animation.morph_weights_temp.size());
for (size_t j = 0; j < animation.morph_weights_temp.size(); ++j)
{
animation.morph_weights_temp[j] = animationdata->keyframe_data[keyLeft * animation.morph_weights_temp.size() + j];
}
}
break;
}
}
break;
case AnimationComponent::AnimationSampler::Mode::LINEAR:
{
// Linear interpolation method:
float t;
if (keyLeft == keyRight)
{
t = 0;
}
else
{
float right = animationdata->keyframe_times[keyRight];
t = (animation.timer - left) / (right - left);
}
switch (channel.path)
{
default:
case AnimationComponent::AnimationChannel::Path::TRANSLATION:
{
assert(animationdata->keyframe_data.size() == animationdata->keyframe_times.size() * 3);
const XMFLOAT3* data = (const XMFLOAT3*)animationdata->keyframe_data.data();
XMVECTOR vLeft = XMLoadFloat3(&data[keyLeft]);
XMVECTOR vRight = XMLoadFloat3(&data[keyRight]);
XMVECTOR vAnim = XMVectorLerp(vLeft, vRight, t);
XMStoreFloat3(&transform.translation_local, vAnim);
}
break;
case AnimationComponent::AnimationChannel::Path::ROTATION:
{
assert(animationdata->keyframe_data.size() == animationdata->keyframe_times.size() * 4);
const XMFLOAT4* data = (const XMFLOAT4*)animationdata->keyframe_data.data();
XMVECTOR vLeft = XMLoadFloat4(&data[keyLeft]);
XMVECTOR vRight = XMLoadFloat4(&data[keyRight]);
XMVECTOR vAnim = XMQuaternionSlerp(vLeft, vRight, t);
vAnim = XMQuaternionNormalize(vAnim);
XMStoreFloat4(&transform.rotation_local, vAnim);
}
break;
case AnimationComponent::AnimationChannel::Path::SCALE:
{
assert(animationdata->keyframe_data.size() == animationdata->keyframe_times.size() * 3);
const XMFLOAT3* data = (const XMFLOAT3*)animationdata->keyframe_data.data();
XMVECTOR vLeft = XMLoadFloat3(&data[keyLeft]);
XMVECTOR vRight = XMLoadFloat3(&data[keyRight]);
XMVECTOR vAnim = XMVectorLerp(vLeft, vRight, t);
XMStoreFloat3(&transform.scale_local, vAnim);
}
break;
case AnimationComponent::AnimationChannel::Path::WEIGHTS:
{
assert(animationdata->keyframe_data.size() == animationdata->keyframe_times.size() * animation.morph_weights_temp.size());
for (size_t j = 0; j < animation.morph_weights_temp.size(); ++j)
{
float vLeft = animationdata->keyframe_data[keyLeft * animation.morph_weights_temp.size() + j];
float vRight = animationdata->keyframe_data[keyLeft * animation.morph_weights_temp.size() + j];
float vAnim = wi::math::Lerp(vLeft, vRight, t);
animation.morph_weights_temp[j] = vAnim;
}
}
break;
}
}
break;
case AnimationComponent::AnimationSampler::Mode::CUBICSPLINE:
{
// Cubic Spline interpolation method:
float t;
if (keyLeft == keyRight)
{
t = 0;
}
else
{
float right = animationdata->keyframe_times[keyRight];
t = (animation.timer - left) / (right - left);
}
const float t2 = t * t;
const float t3 = t2 * t;
switch (channel.path)
{
default:
case AnimationComponent::AnimationChannel::Path::TRANSLATION:
{
assert(animationdata->keyframe_data.size() == animationdata->keyframe_times.size() * 3 * 3);
const XMFLOAT3* data = (const XMFLOAT3*)animationdata->keyframe_data.data();
XMVECTOR vLeft = XMLoadFloat3(&data[keyLeft * 3 + 1]);
XMVECTOR vLeftTanOut = dt * XMLoadFloat3(&data[keyLeft * 3 + 2]);
XMVECTOR vRightTanIn = dt * XMLoadFloat3(&data[keyRight * 3 + 0]);
XMVECTOR vRight = XMLoadFloat3(&data[keyRight * 3 + 1]);
XMVECTOR vAnim = (2 * t3 - 3 * t2 + 1) * vLeft + (t3 - 2 * t2 + t) * vLeftTanOut + (-2 * t3 + 3 * t2) * vRight + (t3 - t2) * vRightTanIn;
XMStoreFloat3(&transform.translation_local, vAnim);
}
break;
case AnimationComponent::AnimationChannel::Path::ROTATION:
{
assert(animationdata->keyframe_data.size() == animationdata->keyframe_times.size() * 4 * 3);
const XMFLOAT4* data = (const XMFLOAT4*)animationdata->keyframe_data.data();
XMVECTOR vLeft = XMLoadFloat4(&data[keyLeft * 3 + 1]);
XMVECTOR vLeftTanOut = dt * XMLoadFloat4(&data[keyLeft * 3 + 2]);
XMVECTOR vRightTanIn = dt * XMLoadFloat4(&data[keyRight * 3 + 0]);
XMVECTOR vRight = XMLoadFloat4(&data[keyRight * 3 + 1]);
XMVECTOR vAnim = (2 * t3 - 3 * t2 + 1) * vLeft + (t3 - 2 * t2 + t) * vLeftTanOut + (-2 * t3 + 3 * t2) * vRight + (t3 - t2) * vRightTanIn;
vAnim = XMQuaternionNormalize(vAnim);
XMStoreFloat4(&transform.rotation_local, vAnim);
}
break;
case AnimationComponent::AnimationChannel::Path::SCALE:
{
assert(animationdata->keyframe_data.size() == animationdata->keyframe_times.size() * 3 * 3);
const XMFLOAT3* data = (const XMFLOAT3*)animationdata->keyframe_data.data();
XMVECTOR vLeft = XMLoadFloat3(&data[keyLeft * 3 + 1]);
XMVECTOR vLeftTanOut = dt * XMLoadFloat3(&data[keyLeft * 3 + 2]);
XMVECTOR vRightTanIn = dt * XMLoadFloat3(&data[keyRight * 3 + 0]);
XMVECTOR vRight = XMLoadFloat3(&data[keyRight * 3 + 1]);
XMVECTOR vAnim = (2 * t3 - 3 * t2 + 1) * vLeft + (t3 - 2 * t2 + t) * vLeftTanOut + (-2 * t3 + 3 * t2) * vRight + (t3 - t2) * vRightTanIn;
XMStoreFloat3(&transform.scale_local, vAnim);
}
break;
case AnimationComponent::AnimationChannel::Path::WEIGHTS:
{
assert(animationdata->keyframe_data.size() == animationdata->keyframe_times.size() * animation.morph_weights_temp.size() * 3);
for (size_t j = 0; j < animation.morph_weights_temp.size(); ++j)
{
float vLeft = animationdata->keyframe_data[(keyLeft * animation.morph_weights_temp.size() + j) * 3 + 1];
float vLeftTanOut = animationdata->keyframe_data[(keyLeft * animation.morph_weights_temp.size() + j) * 3 + 2];
float vRightTanIn = animationdata->keyframe_data[(keyLeft * animation.morph_weights_temp.size() + j) * 3 + 0];
float vRight = animationdata->keyframe_data[(keyLeft * animation.morph_weights_temp.size() + j) * 3 + 1];
float vAnim = (2 * t3 - 3 * t2 + 1) * vLeft + (t3 - 2 * t2 + t) * vLeftTanOut + (-2 * t3 + 3 * t2) * vRight + (t3 - t2) * vRightTanIn;
animation.morph_weights_temp[j] = vAnim;
}
}
break;
}
}
break;
}
if (target_transform != nullptr)
{
target_transform->SetDirty();
const float t = animation.amount;
const XMVECTOR aS = XMLoadFloat3(&target_transform->scale_local);
const XMVECTOR aR = XMLoadFloat4(&target_transform->rotation_local);
const XMVECTOR aT = XMLoadFloat3(&target_transform->translation_local);
const XMVECTOR bS = XMLoadFloat3(&transform.scale_local);
const XMVECTOR bR = XMLoadFloat4(&transform.rotation_local);
const XMVECTOR bT = XMLoadFloat3(&transform.translation_local);
const XMVECTOR S = XMVectorLerp(aS, bS, t);
const XMVECTOR R = XMQuaternionSlerp(aR, bR, t);
const XMVECTOR T = XMVectorLerp(aT, bT, t);
XMStoreFloat3(&target_transform->scale_local, S);
XMStoreFloat4(&target_transform->rotation_local, R);
XMStoreFloat3(&target_transform->translation_local, T);
}
if (target_mesh != nullptr)
{
const float t = animation.amount;
for (size_t j = 0; j < target_mesh->targets.size(); ++j)
{
target_mesh->targets[j].weight = wi::math::Lerp(target_mesh->targets[j].weight, animation.morph_weights_temp[j], t);
}
target_mesh->dirty_morph = true;
}
}
if (animation.IsPlaying())
{
animation.timer += dt * animation.speed;
}
if (animation.IsLooped() && animation.timer > animation.end)
{
animation.timer = animation.start;
}
}
}
void Scene::RunTransformUpdateSystem(wi::jobsystem::context& ctx)
{
wi::jobsystem::Dispatch(ctx, (uint32_t)transforms.GetCount(), small_subtask_groupsize, [&](wi::jobsystem::JobArgs args) {
TransformComponent& transform = transforms[args.jobIndex];
transform.UpdateTransform();
});
}
void Scene::RunHierarchyUpdateSystem(wi::jobsystem::context& ctx)
{
wi::jobsystem::Dispatch(ctx, (uint32_t)hierarchy.GetCount(), small_subtask_groupsize, [&](wi::jobsystem::JobArgs args) {
HierarchyComponent& hier = hierarchy[args.jobIndex];
Entity entity = hierarchy.GetEntity(args.jobIndex);
TransformComponent* transform_child = transforms.GetComponent(entity);
XMMATRIX worldmatrix;
if (transform_child != nullptr)
{
worldmatrix = transform_child->GetLocalMatrix();
}
LayerComponent* layer_child = layers.GetComponent(entity);
if (layer_child != nullptr)
{
layer_child->propagationMask = ~0u; // clear propagation mask to full
}
if (transform_child == nullptr && layer_child == nullptr)
return;
Entity parentID = hier.parentID;
while (parentID != INVALID_ENTITY)
{
TransformComponent* transform_parent = transforms.GetComponent(parentID);
if (transform_child != nullptr && transform_parent != nullptr)
{
worldmatrix *= transform_parent->GetLocalMatrix();
}
LayerComponent* layer_parent = layers.GetComponent(parentID);
if (layer_child != nullptr && layer_parent != nullptr)
{
layer_child->propagationMask &= layer_parent->layerMask;
}
const HierarchyComponent* hier_recursive = hierarchy.GetComponent(parentID);
if (hier_recursive != nullptr)
{
parentID = hier_recursive->parentID;
}
else
{
parentID = INVALID_ENTITY;
}
}
if (transform_child != nullptr)
{
XMStoreFloat4x4(&transform_child->world, worldmatrix);
}
});
}
void Scene::RunSpringUpdateSystem(wi::jobsystem::context& ctx)
{
static float time = 0;
time += dt;
const XMVECTOR windDir = XMLoadFloat3(&weather.windDirection);
const XMVECTOR gravity = XMVectorSet(0, -9.8f, 0, 0);
for (size_t i = 0; i < springs.GetCount(); ++i)
{
SpringComponent& spring = springs[i];
if (spring.IsDisabled())
{
continue;
}
Entity entity = springs.GetEntity(i);
TransformComponent* transform = transforms.GetComponent(entity);
if (transform == nullptr)
{
assert(0);
continue;
}
if (spring.IsResetting())
{
spring.Reset(false);
spring.center_of_mass = transform->GetPosition();
spring.velocity = XMFLOAT3(0, 0, 0);
}
const HierarchyComponent* hier = hierarchy.GetComponent(entity);
TransformComponent* parent_transform = hier == nullptr ? nullptr : transforms.GetComponent(hier->parentID);
if (parent_transform != nullptr)
{
// Spring hierarchy resolve depends on spring component order!
// It works best when parent spring is located before child spring!
// It will work the other way, but results will be less convincing
transform->UpdateTransform_Parented(*parent_transform);
}
const XMVECTOR position_current = transform->GetPositionV();
XMVECTOR position_prev = XMLoadFloat3(&spring.center_of_mass);
XMVECTOR force = (position_current - position_prev) * spring.stiffness;
if (spring.wind_affection > 0)
{
force += std::sin(time * weather.windSpeed + XMVectorGetX(XMVector3Dot(position_current, windDir))) * windDir * spring.wind_affection;
}
if (spring.IsGravityEnabled())
{
force += gravity;
}
XMVECTOR velocity = XMLoadFloat3(&spring.velocity);
velocity += force * dt;
XMVECTOR position_target = position_prev + velocity * dt;
if (parent_transform != nullptr)
{
const XMVECTOR position_parent = parent_transform->GetPositionV();
const XMVECTOR parent_to_child = position_current - position_parent;
const XMVECTOR parent_to_target = position_target - position_parent;
if (!spring.IsStretchEnabled())
{
// Limit offset to keep distance from parent:
const XMVECTOR len = XMVector3Length(parent_to_child);
position_target = position_parent + XMVector3Normalize(parent_to_target) * len;
}
// Parent rotation to point to new child position:
const XMVECTOR dir_parent_to_child = XMVector3Normalize(parent_to_child);
const XMVECTOR dir_parent_to_target = XMVector3Normalize(parent_to_target);
const XMVECTOR axis = XMVector3Normalize(XMVector3Cross(dir_parent_to_child, dir_parent_to_target));
const float angle = XMScalarACos(XMVectorGetX(XMVector3Dot(dir_parent_to_child, dir_parent_to_target))); // don't use std::acos!
const XMVECTOR Q = XMQuaternionNormalize(XMQuaternionRotationNormal(axis, angle));
TransformComponent saved_parent = *parent_transform;
saved_parent.ApplyTransform();
saved_parent.Rotate(Q);
saved_parent.UpdateTransform();
std::swap(saved_parent.world, parent_transform->world); // only store temporary result, not modifying actual local space!
}
XMStoreFloat3(&spring.center_of_mass, position_target);
velocity *= spring.damping;
XMStoreFloat3(&spring.velocity, velocity);
*((XMFLOAT3*)&transform->world._41) = spring.center_of_mass;
}
}
void Scene::RunInverseKinematicsUpdateSystem(wi::jobsystem::context& ctx)
{
bool recompute_hierarchy = false;
for (size_t i = 0; i < inverse_kinematics.GetCount(); ++i)
{
const InverseKinematicsComponent& ik = inverse_kinematics[i];
if (ik.IsDisabled())
{
continue;
}
Entity entity = inverse_kinematics.GetEntity(i);
TransformComponent* transform = transforms.GetComponent(entity);
TransformComponent* target = transforms.GetComponent(ik.target);
const HierarchyComponent* hier = hierarchy.GetComponent(entity);
if (transform == nullptr || target == nullptr || hier == nullptr)
{
continue;
}
const XMVECTOR target_pos = target->GetPositionV();
for (uint32_t iteration = 0; iteration < ik.iteration_count; ++iteration)
{
TransformComponent* stack[32] = {};
Entity parent_entity = hier->parentID;
TransformComponent* child_transform = transform;
for (uint32_t chain = 0; chain < std::min(ik.chain_length, (uint32_t)arraysize(stack)); ++chain)
{
recompute_hierarchy = true; // any IK will trigger a full transform hierarchy recompute step at the end(**)
// stack stores all traversed chain links so far:
stack[chain] = child_transform;
// Compute required parent rotation that moves ik transform closer to target transform:
TransformComponent* parent_transform = transforms.GetComponent(parent_entity);
const XMVECTOR parent_pos = parent_transform->GetPositionV();
const XMVECTOR dir_parent_to_ik = XMVector3Normalize(transform->GetPositionV() - parent_pos);
const XMVECTOR dir_parent_to_target = XMVector3Normalize(target_pos - parent_pos);
const XMVECTOR axis = XMVector3Normalize(XMVector3Cross(dir_parent_to_ik, dir_parent_to_target));
const float angle = XMScalarACos(XMVectorGetX(XMVector3Dot(dir_parent_to_ik, dir_parent_to_target)));
const XMVECTOR Q = XMQuaternionNormalize(XMQuaternionRotationNormal(axis, angle));
// parent to world space:
parent_transform->ApplyTransform();
// rotate parent:
parent_transform->Rotate(Q);
parent_transform->UpdateTransform();
// parent back to local space (if parent has parent):
const HierarchyComponent* hier_parent = hierarchy.GetComponent(parent_entity);
if (hier_parent != nullptr)
{
Entity parent_of_parent_entity = hier_parent->parentID;
const TransformComponent* transform_parent_of_parent = transforms.GetComponent(parent_of_parent_entity);
XMMATRIX parent_of_parent_inverse = XMMatrixInverse(nullptr, XMLoadFloat4x4(&transform_parent_of_parent->world));
parent_transform->MatrixTransform(parent_of_parent_inverse);
// Do not call UpdateTransform() here, to keep parent world matrix in world space!
}
// update chain from parent to children:
const TransformComponent* recurse_parent = parent_transform;
for (int recurse_chain = (int)chain; recurse_chain >= 0; --recurse_chain)
{
stack[recurse_chain]->UpdateTransform_Parented(*recurse_parent);
recurse_parent = stack[recurse_chain];
}
if (hier_parent == nullptr)
{
// chain root reached, exit
break;
}
// move up in the chain by one:
child_transform = parent_transform;
parent_entity = hier_parent->parentID;
assert(chain < (uint32_t)arraysize(stack) - 1); // if this is encountered, just extend stack array size
}
}
}
if (recompute_hierarchy)
{
// (**)If there was IK, we need to recompute transform hierarchy. This is only necessary for transforms that have parent
// transforms that are IK. Because the IK chain is computed from child to parent upwards, IK that have child would not update
// its transform properly in some cases (such as if animation writes to that child)
for (size_t i = 0; i < hierarchy.GetCount(); ++i)
{
const HierarchyComponent& parentcomponent = hierarchy[i];
Entity entity = hierarchy.GetEntity(i);
TransformComponent* transform_child = transforms.GetComponent(entity);
TransformComponent* transform_parent = transforms.GetComponent(parentcomponent.parentID);
if (transform_child != nullptr && transform_parent != nullptr)
{
transform_child->UpdateTransform_Parented(*transform_parent);
}
}
}
}
void Scene::RunArmatureUpdateSystem(wi::jobsystem::context& ctx)
{
wi::jobsystem::Dispatch(ctx, (uint32_t)armatures.GetCount(), 1, [&](wi::jobsystem::JobArgs args) {
ArmatureComponent& armature = armatures[args.jobIndex];
Entity entity = armatures.GetEntity(args.jobIndex);
const TransformComponent& transform = *transforms.GetComponent(entity);
// The transform world matrices are in world space, but skinning needs them in armature-local space,
// so that the skin is reusable for instanced meshes.
// We remove the armature's world matrix from the bone world matrix to obtain the bone local transform
// These local bone matrices will only be used for skinning, the actual transform components for the bones
// remain unchanged.
//
// This is useful for an other thing too:
// If a whole transform tree is transformed by some parent (even gltf import does that to convert from RH to LH space)
// then the inverseBindMatrices are not reflected in that because they are not contained in the hierarchy system.
// But this will correct them too.
XMMATRIX R = XMMatrixInverse(nullptr, XMLoadFloat4x4(&transform.world));
if (armature.boneData.size() != armature.boneCollection.size())
{
armature.boneData.resize(armature.boneCollection.size());
}
XMFLOAT3 _min = XMFLOAT3(std::numeric_limits<float>::max(), std::numeric_limits<float>::max(), std::numeric_limits<float>::max());
XMFLOAT3 _max = XMFLOAT3(std::numeric_limits<float>::lowest(), std::numeric_limits<float>::lowest(), std::numeric_limits<float>::lowest());
int boneIndex = 0;
for (Entity boneEntity : armature.boneCollection)
{
const TransformComponent* bone = transforms.GetComponent(boneEntity);
if (bone == nullptr)
continue;
XMMATRIX B = XMLoadFloat4x4(&armature.inverseBindMatrices[boneIndex]);
XMMATRIX W = XMLoadFloat4x4(&bone->world);
XMMATRIX M = B * W * R;
XMFLOAT4X4 mat;
XMStoreFloat4x4(&mat, M);
armature.boneData[boneIndex++].Create(mat);
const float bone_radius = 1;
XMFLOAT3 bonepos = bone->GetPosition();
AABB boneAABB;
boneAABB.createFromHalfWidth(bonepos, XMFLOAT3(bone_radius, bone_radius, bone_radius));
_min = wi::math::Min(_min, boneAABB._min);
_max = wi::math::Max(_max, boneAABB._max);
}
armature.aabb = AABB(_min, _max);
if (!armature.boneBuffer.IsValid() || armature.boneBuffer.desc.size != armature.boneData.size() * sizeof(ShaderTransform))
{
armature.CreateRenderData();
}
});
}
void Scene::RunMeshUpdateSystem(wi::jobsystem::context& ctx)
{
wi::jobsystem::Dispatch(ctx, (uint32_t)meshes.GetCount(), small_subtask_groupsize, [&](wi::jobsystem::JobArgs args) {
Entity entity = meshes.GetEntity(args.jobIndex);
MeshComponent& mesh = meshes[args.jobIndex];
GraphicsDevice* device = wi::graphics::GetDevice();
if (!mesh.streamoutBuffer.IsValid())
{
const SoftBodyPhysicsComponent* softbody = softbodies.GetComponent(entity);
if (softbody != nullptr && wi::physics::IsSimulationEnabled())
{
mesh.CreateStreamoutRenderData();
}
}
if (mesh.so_pos_nor_wind.IsValid() && mesh.so_pre.IsValid())
{
std::swap(mesh.so_pos_nor_wind, mesh.so_pre);
}
mesh._flags &= ~MeshComponent::TLAS_FORCE_DOUBLE_SIDED;
// Update morph targets if needed:
if (mesh.dirty_morph && !mesh.targets.empty())
{
XMFLOAT3 _min = XMFLOAT3(std::numeric_limits<float>::max(), std::numeric_limits<float>::max(), std::numeric_limits<float>::max());
XMFLOAT3 _max = XMFLOAT3(std::numeric_limits<float>::lowest(), std::numeric_limits<float>::lowest(), std::numeric_limits<float>::lowest());
for (size_t i = 0; i < mesh.vertex_positions.size(); ++i)
{
XMFLOAT3 pos = mesh.vertex_positions[i];
XMFLOAT3 nor = mesh.vertex_normals.empty() ? XMFLOAT3(1, 1, 1) : mesh.vertex_normals[i];
const uint8_t wind = mesh.vertex_windweights.empty() ? 0xFF : mesh.vertex_windweights[i];
for (const MeshComponent::MeshMorphTarget& target : mesh.targets)
{
pos.x += target.weight * target.vertex_positions[i].x;
pos.y += target.weight * target.vertex_positions[i].y;
pos.z += target.weight * target.vertex_positions[i].z;
if (!target.vertex_normals.empty())
{
nor.x += target.weight * target.vertex_normals[i].x;
nor.y += target.weight * target.vertex_normals[i].y;
nor.z += target.weight * target.vertex_normals[i].z;
}
}
XMStoreFloat3(&nor, XMVector3Normalize(XMLoadFloat3(&nor)));
mesh.vertex_positions_morphed[i].FromFULL(pos, nor, wind);
_min = wi::math::Min(_min, pos);
_max = wi::math::Max(_max, pos);
}
mesh.aabb = AABB(_min, _max);
}
ShaderGeometry geometry;
geometry.init();
geometry.ib = mesh.ib.descriptor_srv;
if (mesh.so_pos_nor_wind.IsValid())
{
geometry.vb_pos_nor_wind = mesh.so_pos_nor_wind.descriptor_srv;
}
else
{
geometry.vb_pos_nor_wind = mesh.vb_pos_nor_wind.descriptor_srv;
}
if (mesh.so_tan.IsValid())
{
geometry.vb_tan = mesh.so_tan.descriptor_srv;
}
else
{
geometry.vb_tan = mesh.vb_tan.descriptor_srv;
}
geometry.vb_col = mesh.vb_col.descriptor_srv;
geometry.vb_uvs = mesh.vb_uvs.descriptor_srv;
geometry.vb_atl = mesh.vb_atl.descriptor_srv;
geometry.vb_pre = mesh.so_pre.descriptor_srv;
geometry.aabb_min = mesh.aabb._min;
geometry.aabb_max = mesh.aabb._max;
geometry.tessellation_factor = mesh.tessellationFactor;
if (mesh.IsDoubleSided())
{
geometry.