diff options
| author | Christian Cunningham <cc@localhost> | 2022-04-06 11:38:04 -0700 |
|---|---|---|
| committer | Christian Cunningham <cc@localhost> | 2022-04-06 11:38:04 -0700 |
| commit | c91e11c05885a62a9c3ef2bb5af5834edde959c9 (patch) | |
| tree | f113a0526abd35dc4d5733fa1bccbc6c6b84272f /kernel/graphics | |
| parent | f95e042ce284510a78c7dab85f8053c966ff114e (diff) | |
Make changing resolution easier
Diffstat (limited to 'kernel/graphics')
| -rw-r--r-- | kernel/graphics/lfb.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/kernel/graphics/lfb.c b/kernel/graphics/lfb.c index 8c41b1c..e76fccb 100644 --- a/kernel/graphics/lfb.c +++ b/kernel/graphics/lfb.c @@ -7,13 +7,10 @@ unsigned char *lfb; /* raw frame buffer address */ -#define SCR_WIDTH 1920 -#define SCR_HEIGHT 1080 - /** * Set screen resolution */ -void lfb_init(void) +void lfb_init(unsigned long w, unsigned long h) { mbox[0] = 35*4; mbox[1] = MBOX_REQUEST; @@ -21,14 +18,14 @@ void lfb_init(void) mbox[2] = 0x48003; //set phy wh mbox[3] = 8; mbox[4] = 8; - mbox[5] = SCR_WIDTH; //FrameBufferInfo.width - mbox[6] = SCR_HEIGHT; //FrameBufferInfo.height + mbox[5] = w; //FrameBufferInfo.width + mbox[6] = h; //FrameBufferInfo.height mbox[7] = 0x48004; //set virt wh mbox[8] = 8; mbox[9] = 8; - mbox[10] = SCR_WIDTH; //FrameBufferInfo.virtual_width - mbox[11] = SCR_HEIGHT; //FrameBufferInfo.virtual_height + mbox[10] = w; //FrameBufferInfo.virtual_width + mbox[11] = h; //FrameBufferInfo.virtual_height mbox[12] = 0x48009; //set virt offset mbox[13] = 8; @@ -92,8 +89,8 @@ void lfb_showpicture(void) clear_screen(); #define FWIDTH 240 #define FHEIGHT 80 - draw_cbox(SCR_WIDTH-FWIDTH, SCR_HEIGHT-FHEIGHT*2, FWIDTH, FHEIGHT, 0x0057b7); - draw_cbox(SCR_WIDTH-FWIDTH, SCR_HEIGHT-FHEIGHT, FWIDTH, FHEIGHT, 0xffd700); + draw_cbox(gwidth-FWIDTH, gheight-FHEIGHT*2, FWIDTH, FHEIGHT, 0x0057b7); + draw_cbox(gwidth-FWIDTH, gheight-FHEIGHT, FWIDTH, FHEIGHT, 0xffd700); } void draw_cpixel(unsigned int lx, unsigned int ly, unsigned int c) |