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Diffstat (limited to 'firmware/target/hosted/ypr0/lcd-ypr0.c')
-rw-r--r--firmware/target/hosted/ypr0/lcd-ypr0.c53
1 files changed, 1 insertions, 52 deletions
diff --git a/firmware/target/hosted/ypr0/lcd-ypr0.c b/firmware/target/hosted/ypr0/lcd-ypr0.c
index f0565ae2d4..083a9fbe28 100644
--- a/firmware/target/hosted/ypr0/lcd-ypr0.c
+++ b/firmware/target/hosted/ypr0/lcd-ypr0.c
@@ -33,59 +33,8 @@
33#include "screendump.h" 33#include "screendump.h"
34#include "lcd.h" 34#include "lcd.h"
35 35
36/* eqivalent to fb + y*width + x */
37#define LCDADDR(x, y) (&lcd_framebuffer[(y)][(x)])
38
39static int dev_fd = 0; 36static int dev_fd = 0;
40static fb_data *dev_fb = 0; 37fb_data *dev_fb = 0;
41
42void lcd_update(void)
43{
44 /* update the entire display */
45 memcpy(dev_fb, lcd_framebuffer, sizeof(lcd_framebuffer));
46}
47
48/* Copy Rockbox frame buffer to the mmapped lcd device */
49void lcd_update_rect(int x, int y, int width, int height)
50{
51 /* nothing to draw? */
52 if ((width <= 0) || (height <= 0) || (x >= LCD_WIDTH) ||
53 (y >= LCD_HEIGHT) || (x + width <= 0) || (y + height <= 0))
54 return;
55
56 /* do the necessary clipping */
57 if (x < 0)
58 { /* clip left */
59 width += x;
60 x = 0;
61 }
62 if (y < 0)
63 { /* clip top */
64 height += y;
65 y = 0;
66 }
67 if (x + width > LCD_WIDTH)
68 width = LCD_WIDTH - x; /* clip right */
69 if (y + height > LCD_HEIGHT)
70 height = LCD_HEIGHT - y; /* clip bottom */
71
72 fb_data* src = LCDADDR(x, y);
73 fb_data* dst = dev_fb + y*LCD_WIDTH + x;
74
75 if (LCD_WIDTH == width)
76 { /* optimized full-width update */
77 memcpy(dst, src, width * height * sizeof(fb_data));
78 }
79 else
80 { /* row by row */
81 do
82 {
83 memcpy(dst, src, width * sizeof(fb_data));
84 src += LCD_WIDTH;
85 dst += LCD_WIDTH;
86 } while(--height > 0);
87 }
88}
89 38
90void lcd_shutdown(void) 39void lcd_shutdown(void)
91{ 40{