9/12/2023 0 Comments Opengl 4.3 textures and lightingThis is different from the conventional 2D Cartesian coordinates, where y-axis is pointing upwards. The origin (0, 0) is located at the top-left corner, with x-axis pointing right and y-axis pointing down. The position is expressed in terms of (x, y) coordinates. Color is expressed in RGB (Red-Green-Blue) components - typically 8 bits per component or 24 bits per pixel (or true color). ![]() A pixel has two properties: a color and a position. A raster is a 2D rectangular grid of pixels (or picture elements). Pixels and FrameĪll modern displays are raster-based. Modern day computer has dedicated Graphics Processing Unit (GPU) to produce images for the display, with its own graphics memory (or Video RAM or VRAM). ![]() ![]() Computer Graphics Hardware GPU (Graphics Processing Unit)
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