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component:gpu [2020/05/18 03:49] payonel vram docs |
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| A GPU card has internal memory that you can allocate into pages. You can specify a custom page size (width and height each must be greater than zero). The total memory of a GPU is reduced by the width*height of an allocation. Each tier of gpu has more total memory than the last. Each page buffer acts like an offscreen [[component:screen|Screen]] with its own width, height, and color. The max color depth of a gpu buffer is based on the gpu tier. Rebooting a machine releases all bufffers. | A GPU card has internal memory that you can allocate into pages. You can specify a custom page size (width and height each must be greater than zero). The total memory of a GPU is reduced by the width*height of an allocation. Each tier of gpu has more total memory than the last. Each page buffer acts like an offscreen [[component:screen|Screen]] with its own width, height, and color. The max color depth of a gpu buffer is based on the gpu tier. Rebooting a machine releases all bufffers. | ||
| - | Each page buffer has its own index; the gpu finds the next available index. Index zero (0) has a special meaning, it is reserved for the scren. Whether a gpu is bound to a screen or not, you can allocate pages, set them active, and read/write to them. Attaching and detaching a screen, even binding to a new screen, does not release the gpu pages. When a computer shuts off or reboots, the pages are released. Each GPU has its own video memory and pages. | + | Each page buffer has its own index; the gpu finds the next available index. Index zero (0) has a special meaning, it is reserved for the screen. Whether a gpu is bound to a screen or not, you can allocate pages, set them active, and read/write to them. Attaching and detaching a screen, even binding to a new screen, does not release the gpu pages. When a computer shuts off or reboots, the pages are released. Each GPU has its own video memory and pages. |
| - `getBuffer(): number` | - `getBuffer(): number` | ||