.\" Copyright (c) 2022-2023 Julien Nadeau Carriere <vedge@csoft.net>
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.Dd December 21, 2022
.Dt AG_DRIVERSDL2GL 3
.Os Agar 1.7
.Sh NAME
.Nm AG_DriverSDL2MW
.Nd agar SDL2 multi-window OpenGL driver
.Sh DESCRIPTION
.\" IMAGE(/widgets/AG_DriverSDL2MW.png, "The sdl2mw driver")
The Agar
.Va sdl2mw
driver provides an interface to the Simple DirectMedia Layer (SDL) library
version 2 (SDL2) and renders GUI elements using OpenGL primitives and
managed textures under separate windows.
.Sh INHERITANCE HIERARCHY
.Xr AG_Driver 3 ->
.Xr AG_DriverMw 3 ->
.Nm .
.Sh EXAMPLES
.Bd -literal -offset indent
.\" SYNTAX(c)
AG_InitGraphics("sdl2mw");
AG_InitGraphics("sdl2mw(stereo)");
AG_InitGraphics("sdl2mw(out=%08d.jpg)");
.Ed
.Sh OPTIONS
.Bl -tag -compact -width "noAutoCapture "
.It ctrl
Enable game controller (gamepad) support.
.It haptic
Enable haptic (force feedback) subsystem.
.It joy
Enable joystick input device support.
.It debug
Capture
.Dv GL_DEBUG_OUTPUT
errors.
.It noAutoCapture
Disable mouse auto-capture on click
(see SDL2 docs for
.Dv SDL_HINT_MOUSE_AUTO_CAPTURE ) .
May be set by widget code with the
.Fn setMouseAutoCapture
.Xr AG_Driver 3
operation.
.It out
Export video frames to JPEG or PNG.
Specify a format string for output file names.
Example:
.Sq %04d.jpg
will output frames to 0001.jpg, 0002.jpg, and so on.
.It outFirst
Override first frame number (default = 0).
.It outLast
Terminate after # frames have been rendered.
.It jpegDCT
(JPEG Export) DCT method ("islow", "ifast" or "float").
.It jpegQual
(JPEG Export) Quality factor (100% = best).
.It stereo
Request a stereoscopic visual.
.El
.Sh SEE ALSO
.Xr AG_DriverSDL2FB 3 ,
.Xr AG_DriverSDL2GL 3 ,
.Xr AG_DriverSDLFB 3 ,
.Xr AG_DriverSDLGL 3 ,
.Xr AG_Driver 3 ,
.Xr AG_DriverMw 3 ,
.Xr AG_GL 3 ,
.Xr AG_InitGraphics 3 ,
.Xr AG_Intro 3
.Pp
.Bl -tag -compact
.It Lk https://libsdl.org/ Simple DirectMedia Layer
.It Lk https://www.opengl.org/ OpenGL
.El
.Sh HISTORY
The
.Va sdl2mw
driver first appeared in Agar 1.7.0.