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AG_DRIVERSDLGL(3) Library Functions Manual AG_DRIVERSDLGL(3) NAME AG_DriverSDLGL -- agar SDL1 OpenGL driver DESCRIPTION The Agar sdlgl driver provides an interface to the Simple DirectMedia Layer (SDL) library version 1.2, and renders GUI elements as OpenGL primitives and managed textures. Using AG_InitVideoSDL(3) as opposed to AG_InitGraphics(3), it is possi- ble to attach Agar to an existing SDL display surface. If the SDL sur- face has the SDL_OPENGL flag set, Agar selects the sdlgl driver auto- matically. INHERITANCE HIERARCHY AG_Driver(3) -> AG_DriverSw(3) -> AG_DriverSDLGL. EXAMPLES AG_InitGraphics("sdlgl(width=640:height=480:joy)"); AG_InitGraphics("sdlgl(width=60%:height=80%)"); AG_InitGraphics("sdlgl(bgColor=0/120/120)"); AG_InitGraphics("sdlgl(out=%08d.jpg:outFirst=10)"); AG_InitGraphics("sdlgl(depth=64:stereo)"); AG_InitVideoSDL(an_existing_SDL_screen, 0); OPTIONS debug Capture GL_DEBUG_OUTPUT errors. joy Enable joystick input device support. stereo Request a stereoscopic visual. width Width (in pixels, in % of total desktop or "auto"). height Height (in pixels, in % of total desktop or "auto"). depth Depth (in bits per pixel or "auto"). fpsMax Limit refresh rate in frames/second (e.g., "60"). out Dump video frames to JPEG or PNG image files. The file- name path may include a printf-style (with frame number as argument). For example, `%08d.jpg' will output frames to 00000001.jpg, 00000002.jpg, etc. outFirst Override first frame number (default = 0). outLast Terminate application after # frames have been rendered. bgColor Solid background color specified as "R/G/B", from "0/0/0" (black) to "255/255/255" (white). !bgPopup Disable the right-click background popup menu (which in- cludes, notably the list of active windows). jpegQual If exporting to JPEG, set quality factor (100% = best). jpegDCT If exporting to JPEG, specify DCT method ("islow", "ifast" or "float"). clampOnResize Whenever the display is resized, clamp Agar window posi- tions and sizes to fit the new display size. SEE ALSO AG_DriverSDL2FB(3), AG_DriverSDL2GL(3), AG_Driver(3), AG_DriverSw(3), AG_GL(3), AG_InitGraphics(3), AG_Intro(3) Simple DirectMedia Layer: https://libsdl.org/ OpenGL: https://www.opengl.org/ HISTORY The sdlgl driver first appeared in Agar 1.4.0. The "debug" option ap- peared in Agar 1.6.0. The clampOnResize and joy options appeared in Agar 1.7.0. Agar 1.7 December 23, 2022 AG_DRIVERSDLGL(3)
NAME | DESCRIPTION | INHERITANCE HIERARCHY | EXAMPLES | OPTIONS | SEE ALSO | HISTORY
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