// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com) // This file is part of the "Nazara Engine - Utility module" // For conditions of distribution and use, see copyright notice in Config.hpp #include #include #include #include #include #include #include #include #include namespace Nz { namespace NAZARA_ANONYMOUS_NAMESPACE { std::size_t s_componentStride[ComponentTypeCount] = { 4 * sizeof(UInt8), // ComponentType::Color 1 * sizeof(double), // ComponentType::Double1 2 * sizeof(double), // ComponentType::Double2 3 * sizeof(double), // ComponentType::Double3 4 * sizeof(double), // ComponentType::Double4 1 * sizeof(float), // ComponentType::Float1 2 * sizeof(float), // ComponentType::Float2 3 * sizeof(float), // ComponentType::Float3 4 * sizeof(float), // ComponentType::Float4 1 * sizeof(UInt32), // ComponentType::Int1 2 * sizeof(UInt32), // ComponentType::Int2 3 * sizeof(UInt32), // ComponentType::Int3 4 * sizeof(UInt32), // ComponentType::Int4 4 * sizeof(float) // ComponentType::Quaternion }; } VertexDeclaration::VertexDeclaration(VertexInputRate inputRate, std::initializer_list components) : m_inputRate(inputRate) { NAZARA_USE_ANONYMOUS_NAMESPACE ErrorFlags errFlags(ErrorMode::ThrowException); std::size_t offset = 0; m_components.reserve(components.size()); for (const ComponentEntry& entry : components) { NazaraAssert(IsTypeSupported(entry.type), "Component type 0x" + NumberToString(UnderlyingCast(entry.type), 16) + " is not supported by vertex declarations"); NazaraAssert(entry.componentIndex == 0 || entry.component == VertexComponent::Userdata, "Only userdata components can have non-zero component indexes"); if (entry.component != VertexComponent::Unused) { // Check for duplicates for (const Component& component : m_components) { if (component.component == entry.component && component.componentIndex == entry.componentIndex) NazaraError("Duplicate component type found"); } } auto& component = m_components.emplace_back(); component.component = entry.component; component.componentIndex = entry.componentIndex; component.offset = offset; component.type = entry.type; offset += s_componentStride[UnderlyingCast(component.type)]; } m_stride = offset; } bool VertexDeclaration::IsTypeSupported(ComponentType type) { switch (type) { case ComponentType::Color: case ComponentType::Double1: case ComponentType::Double2: case ComponentType::Double3: case ComponentType::Double4: case ComponentType::Float1: case ComponentType::Float2: case ComponentType::Float3: case ComponentType::Float4: case ComponentType::Int1: case ComponentType::Int2: case ComponentType::Int3: case ComponentType::Int4: return true; case ComponentType::Quaternion: return false; } NazaraError("Component type not handled (0x" + NumberToString(UnderlyingCast(type), 16) + ')'); return false; } bool VertexDeclaration::Initialize() { try { ErrorFlags flags(ErrorMode::Silent | ErrorMode::ThrowException); auto NewDeclaration = [](VertexInputRate inputRate, std::initializer_list components) { return std::make_shared(inputRate, std::move(components)); }; // VertexLayout::XY : VertexStruct_XY s_declarations[UnderlyingCast(VertexLayout::XY)] = NewDeclaration(VertexInputRate::Vertex, { { VertexComponent::Position, ComponentType::Float2, 0 } }); NazaraAssert(s_declarations[UnderlyingCast(VertexLayout::XY)]->GetStride() == sizeof(VertexStruct_XY), "Invalid stride for declaration VertexLayout::XY"); s_declarations[UnderlyingCast(VertexLayout::XY_Color)] = NewDeclaration(VertexInputRate::Vertex, { { VertexComponent::Position, ComponentType::Float2, 0 }, { VertexComponent::Color, ComponentType::Color, 0 }, }); NazaraAssert(s_declarations[UnderlyingCast(VertexLayout::XY_Color)]->GetStride() == sizeof(VertexStruct_XY_Color), "Invalid stride for declaration VertexLayout::XY_Color"); // VertexLayout::XY_UV : VertexStruct_XY_UV s_declarations[UnderlyingCast(VertexLayout::XY_UV)] = NewDeclaration(VertexInputRate::Vertex, { { VertexComponent::Position, ComponentType::Float2, 0 }, { VertexComponent::TexCoord, ComponentType::Float2, 0 }, }); NazaraAssert(s_declarations[UnderlyingCast(VertexLayout::XY_UV)]->GetStride() == sizeof(VertexStruct_XY_UV), "Invalid stride for declaration VertexLayout::XY_UV"); // VertexLayout::XYZ : VertexStruct_XYZ s_declarations[UnderlyingCast(VertexLayout::XYZ)] = NewDeclaration(VertexInputRate::Vertex, { { VertexComponent::Position, ComponentType::Float3, 0 }, }); NazaraAssert(s_declarations[UnderlyingCast(VertexLayout::XYZ)]->GetStride() == sizeof(VertexStruct_XYZ), "Invalid stride for declaration VertexLayout::XYZ"); // VertexLayout::XYZ_Color : VertexStruct_XYZ_Color s_declarations[UnderlyingCast(VertexLayout::XYZ_Color)] = NewDeclaration(VertexInputRate::Vertex, { { VertexComponent::Position, ComponentType::Float3, 0 }, { VertexComponent::Color, ComponentType::Color, 0 } }); NazaraAssert(s_declarations[UnderlyingCast(VertexLayout::XYZ_Color)]->GetStride() == sizeof(VertexStruct_XYZ_Color), "Invalid stride for declaration VertexLayout::XYZ_Color"); // VertexLayout::XYZ_Color_UV : VertexStruct_XYZ_Color_UV s_declarations[UnderlyingCast(VertexLayout::XYZ_Color_UV)] = NewDeclaration(VertexInputRate::Vertex, { { VertexComponent::Position, ComponentType::Float3, 0 }, { VertexComponent::Color, ComponentType::Color, 0 }, { VertexComponent::TexCoord, ComponentType::Float2, 0 }, }); NazaraAssert(s_declarations[UnderlyingCast(VertexLayout::XYZ_Color_UV)]->GetStride() == sizeof(VertexStruct_XYZ_Color_UV), "Invalid stride for declaration VertexLayout::XYZ_Color_UV"); // VertexLayout::XYZ_Normal : VertexStruct_XYZ_Normal s_declarations[UnderlyingCast(VertexLayout::XYZ_Normal)] = NewDeclaration(VertexInputRate::Vertex, { { VertexComponent::Position, ComponentType::Float3, 0 }, { VertexComponent::Normal, ComponentType::Float3, 0 } }); NazaraAssert(s_declarations[UnderlyingCast(VertexLayout::XYZ_Normal)]->GetStride() == sizeof(VertexStruct_XYZ_Normal), "Invalid stride for declaration VertexLayout::XYZ_Normal"); // VertexLayout::XYZ_Normal_UV : VertexStruct_XYZ_Normal_UV s_declarations[UnderlyingCast(VertexLayout::XYZ_Normal_UV)] = NewDeclaration(VertexInputRate::Vertex, { { VertexComponent::Position, ComponentType::Float3, 0 }, { VertexComponent::Normal, ComponentType::Float3, 0 }, { VertexComponent::TexCoord, ComponentType::Float2, 0 } }); NazaraAssert(s_declarations[UnderlyingCast(VertexLayout::XYZ_Normal_UV)]->GetStride() == sizeof(VertexStruct_XYZ_Normal_UV), "Invalid stride for declaration VertexLayout::XYZ_Normal_UV"); // VertexLayout::XYZ_Normal_UV_Tangent : VertexStruct_XYZ_Normal_UV_Tangent s_declarations[UnderlyingCast(VertexLayout::XYZ_Normal_UV_Tangent)] = NewDeclaration(VertexInputRate::Vertex, { { VertexComponent::Position, ComponentType::Float3, 0 }, { VertexComponent::Normal, ComponentType::Float3, 0 }, { VertexComponent::TexCoord, ComponentType::Float2, 0 }, { VertexComponent::Tangent, ComponentType::Float3, 0 } }); NazaraAssert(s_declarations[UnderlyingCast(VertexLayout::XYZ_Normal_UV_Tangent)]->GetStride() == sizeof(VertexStruct_XYZ_Normal_UV_Tangent), "Invalid stride for declaration VertexLayout::XYZ_Normal_UV_Tangent"); // VertexLayout::XYZ_Normal_UV_Tangent_Skinning : VertexStruct_XYZ_Normal_UV_Tangent_Skinning s_declarations[UnderlyingCast(VertexLayout::XYZ_Normal_UV_Tangent_Skinning)] = NewDeclaration(VertexInputRate::Vertex, { { VertexComponent::Position, ComponentType::Float3, 0 }, { VertexComponent::Normal, ComponentType::Float3, 0 }, { VertexComponent::TexCoord, ComponentType::Float2, 0 }, { VertexComponent::Tangent, ComponentType::Float3, 0 }, { VertexComponent::Userdata, ComponentType::Int1, 0 // Weight count }, { VertexComponent::Userdata, ComponentType::Float4, 1 // Weights }, { VertexComponent::Userdata, ComponentType::Int4, 2 // Joint indexes }, }); NazaraAssert(s_declarations[UnderlyingCast(VertexLayout::XYZ_Normal_UV_Tangent_Skinning)]->GetStride() == sizeof(VertexStruct_XYZ_Normal_UV_Tangent_Skinning), "Invalid stride for declaration VertexLayout::XYZ_Normal_UV_Tangent_Skinning"); // VertexLayout::XYZ_UV : VertexStruct_XYZ_UV s_declarations[UnderlyingCast(VertexLayout::XYZ_UV)] = NewDeclaration(VertexInputRate::Vertex, { { VertexComponent::Position, ComponentType::Float3, 0 }, { VertexComponent::TexCoord, ComponentType::Float2, 0 } }); NazaraAssert(s_declarations[UnderlyingCast(VertexLayout::XYZ_UV)]->GetStride() == sizeof(VertexStruct_XYZ_UV), "Invalid stride for declaration VertexLayout::XYZ_UV"); // VertexLayout::Matrix4 : Matrix4f s_declarations[UnderlyingCast(VertexLayout::Matrix4)] = NewDeclaration(VertexInputRate::Vertex, { { VertexComponent::Userdata, ComponentType::Float4, 0 }, { VertexComponent::Userdata, ComponentType::Float4, 1 }, { VertexComponent::Userdata, ComponentType::Float4, 2 }, { VertexComponent::Userdata, ComponentType::Float4, 3 } }); NazaraAssert(s_declarations[UnderlyingCast(VertexLayout::Matrix4)]->GetStride() == sizeof(Matrix4f), "Invalid stride for declaration VertexLayout::Matrix4"); } catch (const std::exception& e) { NazaraError("Failed to initialize vertex declaration: " + std::string(e.what())); return false; } return true; } void VertexDeclaration::Uninitialize() { s_declarations.fill(nullptr); } std::array, VertexLayoutCount> VertexDeclaration::s_declarations; }