diff options
Diffstat (limited to 'gfx/models/mesh.h')
| -rw-r--r-- | gfx/models/mesh.h | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/gfx/models/mesh.h b/gfx/models/mesh.h index f022c2a..972fe30 100644 --- a/gfx/models/mesh.h +++ b/gfx/models/mesh.h @@ -1,5 +1,6 @@ #pragma once +#include "gfx/gl/vertexArrayObject.h" #include <GL/glew.h> #include <glArrays.h> #include <memory> @@ -7,19 +8,36 @@ #include <stdTypeDefs.h> class Vertex; -class VertexArrayObject; -class Mesh : public ConstTypeDefs<Mesh> { +class MeshBase { public: - Mesh(const std::span<const Vertex> vertices, const std::span<const unsigned int> indices, GLenum = GL_TRIANGLES); - void Draw() const; void DrawInstanced(GLuint vao, GLsizei count) const; - VertexArrayObject & configureVAO(VertexArrayObject &&) const; -private: +protected: + MeshBase(GLsizei m_numIndices, GLenum mode); + glVertexArray m_vertexArrayObject; glBuffers<2> m_vertexArrayBuffers; GLsizei m_numIndices; GLenum mode; }; + +template<typename V> class MeshT : public MeshBase, public ConstTypeDefs<MeshT<V>> { +public: + MeshT(const std::span<const V> vertices, const std::span<const unsigned int> indices, GLenum mode = GL_TRIANGLES) : + MeshBase {static_cast<GLsizei>(indices.size()), mode} + { + VertexArrayObject::data(vertices, m_vertexArrayBuffers[0], GL_ARRAY_BUFFER); + VertexArrayObject::data(indices, m_vertexArrayBuffers[1], GL_ARRAY_BUFFER); + configureVAO(m_vertexArrayObject); + } + + VertexArrayObject & + configureVAO(VertexArrayObject && vao) const + { + return vao.addAttribsFor<V>(m_vertexArrayBuffers[0]).addIndices(m_vertexArrayBuffers[1]); + } +}; + +using Mesh = MeshT<Vertex>; |