diguyOglGraphicsMesh.h

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/****************************************************************************
 * Copyright (c) 2024 MAK Technologies, Inc.
 * All rights reserved.
 ****************************************************************************/

#pragma once

// needed for function prototypes
#include <GL/glew.h>
#include <GL/gl.h>

#include <diguyGraphicsMesh.h>
class diguyGraphicsVertexData;


class diguyOglGraphicsMesh : public diguyGraphicsMesh
{

public:

   diguyOglGraphicsMesh(void* internal_data);

   virtual void build() override;
   virtual void unbuild() override;
   virtual void draw(diguyDrawCallData* draw_data) override;


   static int s_nverts;
   static int s_ntris;
   static int s_nvbos;

   static int s_ntris_drawn;
   static int s_nverts_drawn;
   static int s_nvbos_drawn;
   static int s_skinned_vbos_drawn;
   static int s_rigid_vbos_drawn;

protected:
   void download_to_gpu();

   virtual void draw_fixed_function_mesh();

protected:

   int m_is_skinned_mesh;
   int m_has_tangents;

   GLuint m_vertex_buffer;
   GLuint m_index_buffer;
   GLuint m_vertex_array_object;
   GLuint m_blend_shape_ssbo_object;

   GLenum m_gl_index_type;

};


diguyGraphicsMesh* diguyOglGraphicsMesh_create_func(void* internal_data);