diff options
Diffstat (limited to 'hw/display/omap_lcdc.c')
-rw-r--r-- | hw/display/omap_lcdc.c | 129 |
1 files changed, 125 insertions, 4 deletions
diff --git a/hw/display/omap_lcdc.c b/hw/display/omap_lcdc.c index 58e659c94f..0ba42ef637 100644 --- a/hw/display/omap_lcdc.c +++ b/hw/display/omap_lcdc.c @@ -70,16 +70,137 @@ static void omap_lcd_interrupts(struct omap_lcd_panel_s *s) qemu_irq_lower(s->irq); } -#define draw_line_func drawfn +/* + * 2-bit colour + */ +static void draw_line2_32(void *opaque, uint8_t *d, const uint8_t *s, + int width, int deststep) +{ + uint16_t *pal = opaque; + uint8_t v, r, g, b; + + do { + v = ldub_p((void *) s); + r = (pal[v & 3] >> 4) & 0xf0; + g = pal[v & 3] & 0xf0; + b = (pal[v & 3] << 4) & 0xf0; + ((uint32_t *) d)[0] = rgb_to_pixel32(r, g, b); + d += 4; + v >>= 2; + r = (pal[v & 3] >> 4) & 0xf0; + g = pal[v & 3] & 0xf0; + b = (pal[v & 3] << 4) & 0xf0; + ((uint32_t *) d)[0] = rgb_to_pixel32(r, g, b); + d += 4; + v >>= 2; + r = (pal[v & 3] >> 4) & 0xf0; + g = pal[v & 3] & 0xf0; + b = (pal[v & 3] << 4) & 0xf0; + ((uint32_t *) d)[0] = rgb_to_pixel32(r, g, b); + d += 4; + v >>= 2; + r = (pal[v & 3] >> 4) & 0xf0; + g = pal[v & 3] & 0xf0; + b = (pal[v & 3] << 4) & 0xf0; + ((uint32_t *) d)[0] = rgb_to_pixel32(r, g, b); + d += 4; + s++; + width -= 4; + } while (width > 0); +} + +/* + * 4-bit colour + */ +static void draw_line4_32(void *opaque, uint8_t *d, const uint8_t *s, + int width, int deststep) +{ + uint16_t *pal = opaque; + uint8_t v, r, g, b; + + do { + v = ldub_p((void *) s); + r = (pal[v & 0xf] >> 4) & 0xf0; + g = pal[v & 0xf] & 0xf0; + b = (pal[v & 0xf] << 4) & 0xf0; + ((uint32_t *) d)[0] = rgb_to_pixel32(r, g, b); + d += 4; + v >>= 4; + r = (pal[v & 0xf] >> 4) & 0xf0; + g = pal[v & 0xf] & 0xf0; + b = (pal[v & 0xf] << 4) & 0xf0; + ((uint32_t *) d)[0] = rgb_to_pixel32(r, g, b); + d += 4; + s++; + width -= 2; + } while (width > 0); +} -#define DEPTH 32 -#include "omap_lcd_template.h" +/* + * 8-bit colour + */ +static void draw_line8_32(void *opaque, uint8_t *d, const uint8_t *s, + int width, int deststep) +{ + uint16_t *pal = opaque; + uint8_t v, r, g, b; + + do { + v = ldub_p((void *) s); + r = (pal[v] >> 4) & 0xf0; + g = pal[v] & 0xf0; + b = (pal[v] << 4) & 0xf0; + ((uint32_t *) d)[0] = rgb_to_pixel32(r, g, b); + s++; + d += 4; + } while (-- width != 0); +} + +/* + * 12-bit colour + */ +static void draw_line12_32(void *opaque, uint8_t *d, const uint8_t *s, + int width, int deststep) +{ + uint16_t v; + uint8_t r, g, b; + + do { + v = lduw_le_p((void *) s); + r = (v >> 4) & 0xf0; + g = v & 0xf0; + b = (v << 4) & 0xf0; + ((uint32_t *) d)[0] = rgb_to_pixel32(r, g, b); + s += 2; + d += 4; + } while (-- width != 0); +} + +/* + * 16-bit colour + */ +static void draw_line16_32(void *opaque, uint8_t *d, const uint8_t *s, + int width, int deststep) +{ + uint16_t v; + uint8_t r, g, b; + + do { + v = lduw_le_p((void *) s); + r = (v >> 8) & 0xf8; + g = (v >> 3) & 0xfc; + b = (v << 3) & 0xf8; + ((uint32_t *) d)[0] = rgb_to_pixel32(r, g, b); + s += 2; + d += 4; + } while (-- width != 0); +} static void omap_update_display(void *opaque) { struct omap_lcd_panel_s *omap_lcd = (struct omap_lcd_panel_s *) opaque; DisplaySurface *surface; - draw_line_func draw_line; + drawfn draw_line; int size, height, first, last; int width, linesize, step, bpp, frame_offset; hwaddr frame_base; |