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add ClearWindow optimization

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This commit is contained in:
philippe44
2020-02-24 23:43:03 -08:00
parent f008229acd
commit 9a5d8dac4a
3 changed files with 28 additions and 5 deletions
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9
components/display/core/gds.h
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@@ -4,6 +4,15 @@
#include <stdint.h>
#include <stdbool.h>
/* NOTE for drivers:
The build-in DrawPixel(Fast), DrawCBR and ClearWindow are optimized for 1 bit
and 4 bits screen depth. For any other type of screen, DrawCBR and ClearWindow
default to use DrawPixel, which is very sub-optimal. For such other depth, you
must supply the DrawPixelFast. The built-in 1 bit depth function are only for
screen with vertical framing (1 byte = 8 lines). For example SSD1326 in
monochrome mode is not such type of screen, SH1106 and SSD1306 are
*/
enum { GDS_COLOR_L0 = 0, GDS_COLOR_L1, GDS_COLOR_L2, GDS_COLOR_L3, GDS_COLOR_L4, GDS_COLOR_L5, GDS_COLOR_L6, GDS_COLOR_L7,
GDS_COLOR_L8, GDS_COLOR_L9, GDS_COLOR_L10, GDS_COLOR_L11, GDS_COLOR_L12, GDS_COLOR_L13, GDS_COLOR_L14, GDS_COLOR_L15,
};