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Delta time or delta timing is a concept used amongst programmers in relation to hardware and network responsiveness. [1] In graphics programming, the term is usually used for variably updating scenery based on the elapsed time since the game last updated, [2] (i.e. the previous "frame") which will vary depending on the speed of the computer, and how much work needs to be done in the program at ...
These APIs have also proved vital to computer graphics hardware manufacturers, as they provide a way for programmers to access the hardware in an abstract way, while still taking advantage of the special hardware of any specific graphics card. The first 3D graphics framework was probably Core, published by the ACM in 1977.
On displays with a fixed refresh rate, a frame can only be shown on the screen at specific intervals, evenly spaced apart. If a new frame is not ready when that interval arrives, then the old frame is held on screen until the next interval (stutter) or a mixture of the old frame and the completed part of the new frame is shown . Conversely, if ...
Frame rate up-conversion (FRC) is the process of increasing the temporal resolution of a video sequence by synthesizing one or more intermediate frames between two consecutive frames. A low frame rate causes aliasing, yields abrupt motion artifacts, and degrades the video quality. Consequently, the temporal resolution is an important factor ...
Assuming a 60 Hz refresh rate, a benchmark tool may report this as 144 frames per second. However, the user will perceive less due to some frames existing for a tiny fraction of a display's refresh cycle. Micro stuttering is a quality defect that manifests as irregular delays between frames rendered by a graphics processing unit (GPU).
The amount of frames rendered per second (on average) is called the frame rate. Using common a 60 Hz monitor as an example, the maximum theoretical frame rate is 60 FPS (frames per second), which means the minimum theoretical input lag for the overall system is approximately 16.67 ms (1 frame/60 FPS) .
The OpenGL Architecture Review Board (ARB) was an industry consortium that governed the OpenGL specification. It was formed in 1992, and defined the conformance tests, approved the OpenGL specification and advanced the standard.
If a computer has two video cards that combine their outputs into a single video monitor, then one of four methods could be used to create the images. Alternate Frame Rendering (AFR): One graphics processing unit (GPU) computes all the odd video frames, the other renders the even frames. (i.e. time division)