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The Quartz Composer API supports processing and rendering graphical data and allows developers to create custom patches for the Quartz Composer developer tool. ImageKit provides user interface support for browsing, editing, and saving images, showing slideshows, and browsing and previewing Core Image filters. It appears that Apple is refactoring their graphics (and perhaps GPU) code behind the scenes (the system interfaces used by developers are unchanged) and a side-effect of this is that the experimental Quartz 2D Extreme stuff in Tiger is currently causing the Mac kernel to panic (typically within a few minutes of Quartz 2D Extreme being turned on). Quartz extreme social advice Mac users interested in Quartz extreme generally download: Quartz Extreme Check 1.2 Free. Analyze your system and check if it is compatible and using the Quartz Extreme acceleration for OpenGL content. Quartz extreme download. Quartz Extreme, introduced in Mac OS X 10.2, is an enhanced version of Quartz that takes advantage of modern video cards to accelerate certain display functions and animations. With Quartz Extreme, image processing is performed with the graphics card instead of the CPU, making the whole computer more responsive.
Operating system | macOS |
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Type | |
License | Proprietary software under EULA |
Website | developer.apple.com/technologies/mac/graphics-and-animation.html |
macOS graphics model |
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Rendering |
Compositing |
Quartz Compositor is the display server (and at the same time the compositing window manager) in macOS. It is responsible for presenting and maintaining rasterized, rendered graphics from the rest of the Core Graphics framework and other renderers in the Quartz technologies family.[1]
Overview[edit]
The bitmap output from Quartz 2D, OpenGL, Core Image, QuickTime, or other process is written to a specific memory location, or backing store. The Compositor then reads the data from the backing stores and assembles each into one image for the display, writing that image to the frame buffer memory of the graphics card. Quartz Compositor only accepts raster data, and is the only process that can directly access the graphics frame buffer.[2]
In managing individual windows, Quartz Compositor accepts a bitmap image of the window's contents from its renderer, along with its position. The choice of the renderer is up to the individual application, although most use Quartz 2D. Quartz Compositor then acts as a 'visual mixing board,' by adding the given window to the whole scene for the display.
In its role as window manager, Quartz Compositor also has an event queue which receives events, such as key strokes and mouse clicks. The Quartz Compositor takes the events from the queue, determines which process owns the window where the event occurred, and passes the event on to the process.[3]
Quartz Extreme[edit]
Mac OS X v10.2 introduced Quartz Extreme: graphics processor (GPU) acceleration for the Quartz Compositor. With Quartz Extreme, far fewer central processor (CPU) cycles are needed for scene composition. Instead, the Quartz Compositor encapsulates each rendered backing store in an OpenGL texture map or surface. It then directs the GPU to compose the surfaces and maps to provide the final image, which is delivered to the frame buffer.
Quartz Extreme only uses OpenGL commands, and requires a graphics card connected to an AGP 2X or faster bus (including AGP 4X, 8X, and PCI Express), supporting textures and maps of arbitrary size, since many of the renderers have no size limitation (Quartz 2D for example).[2] In Mac OS X Tiger, it is automatically enabled on Mac systems with one of the following types of graphics cards:[4]
- AMD (ATI) Radeon, AGP-based, 16MB VRAM minimum, or better
- NVIDIA GeForce2 MX, 16MB VRAM minimum, or better
As of OS X El Capitan, Quartz Extreme is enabled on all supported Macs.
QuartzGL[edit]
Quartz Extreme Download Mac Os
QuartzGL (called Quartz 2D Extreme when it was introduced in Mac OS X Tiger) is GPU acceleration for the Quartz 2D API. With QuartzGL enabled, all Quartz drawing commands are translated to OpenGL commands and executed on the GPU. This differs from Quartz Extreme, which still executes Quartz drawing commands on the CPU but performs final composition using the GPU.
As of OS X Mountain Lion, QuartzGL is still not enabled by default. However, it is possible to enable it using the Quartz Debug application included in the Apple Developer Tools. QuartzGL will be disabled once again upon quitting the Quartz Debug utility. A workaround is to force quit the Quartz Debug application, which will leave QuartzGL enabled system-wide.
All graphics cards capable of supporting Core Image also support QuartzGL.
References[edit]
- ^Russell, Matthew. 'What Is Quartz (or Why Can't Windows Do That)'. O'Reilly Mac DevCenter. O'Reilly Media. Retrieved 17 November 2011.
- ^ abJohn Siracusa (2005-04-28). 'Mac OS X 10.4 Tiger'. ArsTechnica. Retrieved 2010-01-15.
- ^'Apple - Developer - Mac OS X Technology Overview: Graphics, Imaging, and Multimedia'. Retrieved 2007-04-18.
- ^'Apple - Mac OS X 10.4: Requirements for Quartz Extreme and Core Image graphics'. Archived from the original on 2012-04-04. Retrieved 2007-02-12.
See also[edit]
Quartz Extreme Download Mac Download
External links[edit]
- The Graphics and Windowing Environment - from Apple's Mac OS X Documentation
Quartz Extreme Download Mac Installer
Retrieved from 'https://en.wikipedia.org/w/index.php?title=Quartz_Compositor&oldid=983780929#Quartz_Extreme'