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/*
* Copyright (C) Volition, Inc. 1999. All rights reserved.
*
* All source code herein is the property of Volition, Inc. You may not sell
* or otherwise commercially exploit the source or things you created based on the
* source.
*
*/
#ifndef _GROPENGLTNL_H
#define _GROPENGLTNL_H
#include "globalincs/pstypes.h"
#include "graphics/gropengl.h"
#include "graphics/shadows.h"
#include "model/model.h"
extern GLint GL_max_elements_vertices;
extern GLint GL_max_elements_indices;
class poly_list;
class vertex_buffer;
extern float shadow_veryneardist;
extern float shadow_neardist;
extern float shadow_middist;
extern float shadow_fardist;
extern bool Rendering_to_shadow_map;
void gr_opengl_start_instance_matrix(const vec3d *offset, const matrix *rotation);
void gr_opengl_start_instance_angles(const vec3d *pos, const angles *rotation);
void gr_opengl_end_instance_matrix();
void gr_opengl_set_projection_matrix(float fov, float aspect, float z_near, float z_far);
void gr_opengl_end_projection_matrix();
void gr_opengl_set_view_matrix(const vec3d *pos, const matrix *orient);
void gr_opengl_end_view_matrix();
void gr_opengl_set_2d_matrix(/*int x, int y, int w, int h*/);
void gr_opengl_end_2d_matrix();
void gr_opengl_push_scale_matrix(const vec3d *scale_factor);
void gr_opengl_pop_scale_matrix();
void gr_opengl_start_clip_plane();
void gr_opengl_end_clip_plane();
int gr_opengl_create_buffer();
bool gr_opengl_pack_buffer(const int buffer_id, vertex_buffer *vb);
bool gr_opengl_config_buffer(const int buffer_id, vertex_buffer *vb, bool update_ibuffer_only);
void gr_opengl_destroy_buffer(int idx);
void gr_opengl_set_buffer(int idx);
void gr_opengl_render_buffer(int start, const vertex_buffer *bufferp, int texi, int flags);
void gr_opengl_render_to_env(int FACE);
void gr_opengl_update_buffer_object(int handle, uint size, void* data);
void opengl_delete_buffer_object(int handle);
void gr_opengl_update_transform_buffer(void* data, uint size);
void gr_opengl_set_transform_buffer_offset(int offset);
int gr_opengl_create_stream_buffer_object();
void gr_opengl_render_stream_buffer(int buffer_handle, int offset, int n_verts, int flags);
void gr_opengl_set_thrust_scale(float scale = -1.0f);
void gr_opengl_set_team_color(const team_color *colors);
void opengl_tnl_init();
void opengl_tnl_shutdown();
void opengl_tnl_set_material(int flags, uint shader_flags, int tmap_type);
void opengl_tnl_set_material_distortion(uint flags);
void opengl_tnl_set_material_soft_particle(uint flags);
#endif //_GROPENGLTNL_H
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