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framebuffer: addrd 16bit per pixel support

This commit is contained in:
j.turek 2023-04-28 09:34:18 +02:00
parent 6b8687c52a
commit e51082096d
1 changed files with 20 additions and 0 deletions
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20
sys/linux-fb/common/u8x8_d_framebuffer.c
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@ -104,6 +104,26 @@ void u8x8_LinuxFb_DrawTiles(u8x8_linuxfb_t *fb, uint16_t tx, uint16_t ty, uint8_
case 1:
memcpy(fb->fbp+ty*8*tile_cnt, fb->u8x8_buf, tile_cnt*8);
break;
case 16:{
uint16_t pixel;
uint16_t *fbp16 = (uint16_t *)fb->fbp;
long int location = 0;
uint8_t b = (fb->active_color & 0x0000FF) >> 0;
uint8_t g = (fb->active_color & 0x00FF00) >> 8;
uint8_t r = (fb->active_color & 0xFF0000) >> 16;
for(int y=0; y<8;y++){
for(int x=0; x<8*tile_cnt;x++){
if(fb->u8x8_buf[(x/8) + (y*tile_cnt) ] & (1 << x%8))
pixel = r<<11 | g << 5 | b;
else
pixel = 0x000000;
location = (x + fb->vinfo.xoffset) + ((ty*8)+y + fb->vinfo.yoffset) * fb->finfo.line_length / 2;
memcpy(&fbp16[location], &pixel, sizeof(pixel));
}
}
}break;
case 32:{
uint32_t pixel;
uint32_t *fbp32 = (uint32_t *)fb->fbp;