/*****************************************************************************
* renderer.h: OpenGL internal header
*****************************************************************************
* Copyright (C) 2016 VLC authors and VideoLAN
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef VLC_GL_RENDERER_H
#define VLC_GL_RENDERER_H
#include <vlc_common.h>
#include <vlc_codec.h>
#include <vlc_opengl.h>
#include <vlc_opengl_filter.h>
#include <vlc_plugin.h>
#include "gl_api.h"
#include "gl_common.h"
#include "interop.h"
#include "sampler.h"
#ifdef __cplusplus
extern "C"
{
#endif
#define add_opengl_submodule_renderer() \
add_submodule() \
add_shortcut("renderer") \
set_shortname("renderer") \
set_capability("opengl filter", 0) \
set_callback_opengl_filter(vlc_gl_renderer_Open)
/**
* OpenGL picture renderer
*/
struct vlc_gl_renderer
{
struct vlc_gl_api api;
const opengl_vtable_t *vt; /* for convenience, same as &api.vt */
/* True to dump shaders */
bool dump_shaders;
GLuint program_id;
struct {
GLfloat ProjectionMatrix[16];
GLfloat StereoMatrix[3*3];
GLfloat ZoomMatrix[16];
GLfloat ViewMatrix[16];
} var;
struct {
GLint StereoMatrix;
GLint ProjectionMatrix;
GLint ViewMatrix;
GLint ZoomMatrix;
GLint OrientationMatrix;
} uloc;
struct {
GLint PicCoordsIn;
GLint VertexPosition;
} aloc;
struct vlc_gl_sampler *sampler;
unsigned nb_indices;
GLuint vertex_buffer_object;
GLuint index_buffer_object;
GLuint texture_buffer_object;
GLuint vertex_array_object;
bool valid_coords;
/* View point */
vlc_viewpoint_t vp;
float f_teta;
float f_phi;
float f_roll;
float f_fovx; /* f_fovx and f_fovy are linked but we keep both */
float f_fovy; /* to avoid recalculating them when needed. */
float f_z; /* Position of the camera on the sphere radius vector */
float f_sar;
/* Original size from which f_sar is computed
* f_sar = (float) target_width / target_height */
unsigned target_width;
unsigned target_height;
/* Projection mode for the input data */
video_projection_mode_t projection_mode;
vlc_stereoscopic_mode_t stereo_mode;
video_multiview_mode_t multiview_mode;
};
vlc_gl_filter_open_fn vlc_gl_renderer_Open;
int
vlc_gl_renderer_SetViewpoint(struct vlc_gl_renderer *renderer,
const vlc_viewpoint_t *p_vp);
#ifdef __cplusplus
}
#endif
#endif /* include-guard */
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