OpenGL OSD Header File. More...

#include <cstdio>
#include <memory>
#include <mutex>
#include <queue>
#include <ft2build.h>
#include <GLES2/gl2.h>
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <vdr/osd.h>

Classes
struct	sOglImage

class	cOglShader
	OpenGL OSD Vertex/Fragment Shader. More...

class	cOglGlyph
	OpenGL OSD Glyph of a Font. More...

struct	cOglGlyph::tKerning

class	cOglAtlasGlyph
	OpenGL OSD Glyph on a Texture Atlas. More...

class	cOglFontAtlas
	OpenGL OSD Texture Atlas for a Font. More...

class	cOglFont
	OpenGL OSD Representation of a VDR Font. More...

class	cOglFb
	OpenGL OSD Framebuffer/ Texture Object. More...

class	cOglOutputFb
	Main Framebuffer/ Texture Object for OSD. More...

class	cOglVb
	OpenGL OSD Vertex Buffers. More...

class	cOglCmd
	OpenGL Hardware Command. More...

class	cOglCmdInitOutputFb
	OpenGL command: Init the output framebuffer. More...

class	cOglCmdInitFb
	OpenGL command: Init a framebuffer. More...

class	cOglCmdDeleteFb
	OpenGL command: Delete a framebuffer. More...

class	cOglCmdRenderFbToBufferFb
	OpenGL command: Render a framebuffer to another framebuffer. More...

class	cOglCmdCopyBufferToOutputFb
	OpenGL command: Render a framebuffer to the output framebuffer. More...

class	cOglCmdFill
	OpenGL command: Fill a polygon. More...

class	cOglCmdBufferFill
	OpenGL command: Fill a framebuffer. More...

class	cOglCmdDrawRectangle
	OpenGL command: Draw a rectangle. More...

class	cOglCmdDrawEllipse
	OpenGL command: Draw an ellipse. More...

class	cOglCmdDrawSlope
	OpenGL command: Draw a slope. More...

class	cOglCmdDrawText
	OpenGL command: Draw a text. More...

class	cOglCmdDrawImage
	OpenGL command: Draw an image. More...

class	cOglCmdDrawTexture
	OpenGL command: Draw a texture. More...

class	cOglCmdStoreImage
	OpenGL command: Store image in the cache. More...

class	cOglCmdDropImage
	OpenGL command: Drop image from cache. More...

class	cOglThread
	OpenGL Commands Processing Thread. More...

class	cOglPixmap
	OpenGL Implementation of a cPixmap. More...

class	cOglOsd
	OpenGL OSD Implementation (GPU accelerated) More...

Macros
#define	FT_ERRORDEF(e, v, s) { e, s },

#define	FT_ERROR_START_LIST {

#define	FT_ERROR_END_LIST { 0, 0 } };

#define	BORDERCOLOR 0x00000000
	OpenGL OSD (GPU)

#define	MIN_CHARCODE 32

#define	MAX_CHARCODE 255

#define	OGL_MAX_OSDIMAGES 512

#define	OGL_CMDQUEUE_SIZE 200

Enumerations
enum	eShaderType { stRect , stTexture , stTextureSwapBR , stText , stCount }

enum	eVertexBufferType { vbRect , vbEllipse , vbSlope , vbTexture , vbTextureSwapBR , vbText , vbCount }

Variables
struct {

int code

const char * message

}	FT_Errors []

Detailed Description

OpenGL OSD Header File.

Note: This file was originally authored by Stefan Braun (see README), but there was never set any copyright info.

Copyright: 2025 - 2026 by Andreas Baierl. All Rights Reserved.

License: AGPL-3.0-or-later

Definition in file openglosd.h.

Macro Definition Documentation

◆ FT_ERROR_END_LIST

#define FT_ERROR_END_LIST { 0, 0 } };

Definition at line 31 of file openglosd.h.

◆ FT_ERROR_START_LIST

#define FT_ERROR_START_LIST {

Definition at line 30 of file openglosd.h.

◆ FT_ERRORDEF

#define FT_ERRORDEF	(	e,
		v,
		s
	)	{ e, s },

Definition at line 29 of file openglosd.h.

◆ MAX_CHARCODE

#define MAX_CHARCODE 255

Definition at line 164 of file openglosd.h.

◆ MIN_CHARCODE

#define MIN_CHARCODE 32

Definition at line 163 of file openglosd.h.

◆ OGL_CMDQUEUE_SIZE

#define OGL_CMDQUEUE_SIZE 200

Definition at line 697 of file openglosd.h.

◆ OGL_MAX_OSDIMAGES

#define OGL_MAX_OSDIMAGES 512

Definition at line 696 of file openglosd.h.

Enumeration Type Documentation

◆ eShaderType

enum eShaderType

Enumerator
stRect
stTexture
stTextureSwapBR
stText
stCount

Definition at line 62 of file openglosd.h.

◆ eVertexBufferType

enum eVertexBufferType

Enumerator
vbRect
vbEllipse
vbSlope
vbTexture
vbTextureSwapBR
vbText
vbCount

Definition at line 282 of file openglosd.h.

Variable Documentation

◆ code

int code

Definition at line 33 of file openglosd.h.

Referenced by cOglFont::Glyph(), and cSoftHdMenu::HandleHotKey().

◆ [struct]

const struct { ... } FT_Errors[]

Initial value:

=
 
class cSoftHdDevice

Referenced by cOglFont::Glyph().

◆ message

const char* message

Definition at line 34 of file openglosd.h.