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GDS optimization

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This commit is contained in:
philippe44
2023-11-16 22:52:18 -08:00
parent 2afbee7cb1
commit e85a3cddf1
5 changed files with 85 additions and 85 deletions
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6
components/display/SH1122.c
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@@ -88,11 +88,6 @@ static void Update( struct GDS_Device* Device ) {
#endif
}
static void DrawPixelFast4( struct GDS_Device* Device, int X, int Y, int Color ) {
uint8_t* FBOffset = Device->Framebuffer + ( (Y * Device->Width >> 1) + (X >> 1));
*FBOffset = X & 0x01 ? ((*FBOffset & 0xf0) | (Color & 0x0f)) : (*FBOffset & 0x0f) | ((Color & 0x0f) << 4);
}
static void SetLayout( struct GDS_Device* Device, struct GDS_Layout *Layout ) {
if (Layout->HFlip) {
Device->WriteCommand( Device, 0x40 + 0x20 );
@@ -165,7 +160,6 @@ static bool Init( struct GDS_Device* Device ) {
static const struct GDS_Device SH1122 = {
.DisplayOn = DisplayOn, .DisplayOff = DisplayOff, .SetContrast = SetContrast,
.DrawPixelFast = DrawPixelFast4,
.SetLayout = SetLayout,
.Update = Update, .Init = Init,
.Mode = GDS_GRAYSCALE, .Depth = 4,