| 97,12 → 97,12 |
|---|
| /* Conversion routines between different color representations */ |
| static void rgb_4byte(void *dst, int rgb) |
| { |
| *(int *)dst = rgb; |
| *((int *) dst) = rgb; |
| } |
| |
| static int byte4_rgb(void *src) |
| { |
| return (*(int *)src) & 0xffffff; |
| return (*((int *) src)) & 0xffffff; |
| } |
| |
| static void rgb_3byte(void *dst, int rgb) |
| 133,7 → 133,7 |
|---|
| static void rgb_2byte(void *dst, int rgb) |
| { |
| /* 5-bit, 6-bits, 5-bits */ |
| *((uint16_t *)(dst)) = RED(rgb, 5) << 11 | GREEN(rgb, 6) << 5 | BLUE(rgb, 5); |
| *((uint16_t *) dst) = RED(rgb, 5) << 11 | GREEN(rgb, 6) << 5 | BLUE(rgb, 5); |
| } |
| |
| /** 16-bit depth (5:6:5) */ |
| 153,7 → 153,7 |
|---|
| */ |
| static void rgb_1byte(void *dst, int rgb) |
| { |
| *(uint8_t *)dst = RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 | BLUE(rgb, 3); |
| *((uint8_t *) dst) = RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 | BLUE(rgb, 3); |
| } |
| |
| /** Return pixel color - 8-bit depth (color palette/3:2:3) |
| 409,15 → 409,8 |
|---|
| sysinfo_set_item_val("fb.invert-colors", NULL, invert_colors); |
| |
| /* Allocate double buffer */ |
| int totsize = scanline * yres; |
| int pages = SIZE2FRAMES(totsize); |
| int order; |
| if (pages == 1) |
| order = 0; |
| else |
| order = fnzb(pages - 1) + 1; |
| |
| dbbuffer = frame_alloc(order, FRAME_ATOMIC | FRAME_KA); |
| unsigned int order = fnzb(SIZE2FRAMES(ALIGN_UP(fbsize, FRAME_SIZE))) + 1; |
| dbbuffer = (uint8_t * ) frame_alloc(order, FRAME_ATOMIC | FRAME_KA); |
| if (!dbbuffer) |
| printf("Failed to allocate scroll buffer.\n"); |
| dboffset = 0; |
| 426,11 → 419,9 |
|---|
| blankline = (uint8_t *) malloc(ROW_BYTES, FRAME_ATOMIC); |
| if (!blankline) |
| panic("Failed to allocate blank line for framebuffer."); |
| for (y=0; y < FONT_SCANLINES; y++) { |
| for (x=0; x < xres; x++) { |
| for (y = 0; y < FONT_SCANLINES; y++) |
| for (x = 0; x < xres; x++) |
| (*rgb2scr)(&blankline[POINTPOS(x,y)], COLOR(BGCOLOR)); |
| } |
| } |
| |
| clear_screen(); |
| |
| 442,7 → 433,6 |
|---|
| |
| chardev_initialize("fb", &framebuffer, &fb_ops); |
| stdout = &framebuffer; |
| |
| } |
| |
| /** @} |