diff options
| -rw-r--r-- | firmware/target/arm/imx233/creative-zenxfi2/lcd-zenxfi2.c | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/firmware/target/arm/imx233/creative-zenxfi2/lcd-zenxfi2.c b/firmware/target/arm/imx233/creative-zenxfi2/lcd-zenxfi2.c index 0131a39233..6917ea3f53 100644 --- a/firmware/target/arm/imx233/creative-zenxfi2/lcd-zenxfi2.c +++ b/firmware/target/arm/imx233/creative-zenxfi2/lcd-zenxfi2.c @@ -32,7 +32,6 @@ #ifdef HAVE_LCD_ENABLE static bool lcd_on; #endif -static unsigned lcd_yuv_options = 0; static void setup_lcdif(void) { @@ -274,195 +273,3 @@ void lcd_update_rect(int x, int y, int w, int h) } imx233_lcdif_dma_send((void *)FRAME_PHYS_ADDR, w, h); } - -void lcd_yuv_set_options(unsigned options) -{ - lcd_yuv_options = options; -} - -#define YFAC (74) -#define RVFAC (101) -#define GUFAC (-24) -#define GVFAC (-51) -#define BUFAC (128) - -static inline int clamp(int val, int min, int max) -{ - if (val < min) - val = min; - else if (val > max) - val = max; - return val; -} - -void lcd_blit_yuv(unsigned char * const src[3], - int src_x, int src_y, int stride, - int x, int y, int width, int height) -{ - const unsigned char *ysrc, *usrc, *vsrc; - int linecounter; - fb_data *dst, *row_end; - long z; - - /* width and height must be >= 2 and an even number */ - width &= ~1; - linecounter = height >> 1; - - #if LCD_WIDTH >= LCD_HEIGHT - dst = FBADDR(x,y); - row_end = dst + width; - #else - dst = FBADDR(LCD_WIDTH - y - 1,x); - row_end = dst + LCD_WIDTH * width; - #endif - - z = stride * src_y; - ysrc = src[0] + z + src_x; - usrc = src[1] + (z >> 2) + (src_x >> 1); - vsrc = src[2] + (usrc - src[1]); - - /* stride => amount to jump from end of last row to start of next */ - stride -= width; - - /* upsampling, YUV->RGB conversion and reduction to RGB565 in one go */ - - do - { - do - { - int y, cb, cr, rv, guv, bu, r, g, b; - - y = YFAC*(*ysrc++ - 16); - cb = *usrc++ - 128; - cr = *vsrc++ - 128; - - rv = RVFAC*cr; - guv = GUFAC*cb + GVFAC*cr; - bu = BUFAC*cb; - - r = y + rv; - g = y + guv; - b = y + bu; - - if ((unsigned)(r | g | b) > 64*256-1) - { - r = clamp(r, 0, 64*256-1); - g = clamp(g, 0, 64*256-1); - b = clamp(b, 0, 64*256-1); - } - - *dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9); - - #if LCD_WIDTH >= LCD_HEIGHT - dst++; - #else - dst += LCD_WIDTH; - #endif - - y = YFAC*(*ysrc++ - 16); - r = y + rv; - g = y + guv; - b = y + bu; - - if ((unsigned)(r | g | b) > 64*256-1) - { - r = clamp(r, 0, 64*256-1); - g = clamp(g, 0, 64*256-1); - b = clamp(b, 0, 64*256-1); - } - - *dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9); - - #if LCD_WIDTH >= LCD_HEIGHT - dst++; - #else - dst += LCD_WIDTH; - #endif - } - while (dst < row_end); - - ysrc += stride; - usrc -= width >> 1; - vsrc -= width >> 1; - - #if LCD_WIDTH >= LCD_HEIGHT - row_end += LCD_WIDTH; - dst += LCD_WIDTH - width; - #else - row_end -= 1; - dst -= LCD_WIDTH*width + 1; - #endif - - do - { - int y, cb, cr, rv, guv, bu, r, g, b; - - y = YFAC*(*ysrc++ - 16); - cb = *usrc++ - 128; - cr = *vsrc++ - 128; - - rv = RVFAC*cr; - guv = GUFAC*cb + GVFAC*cr; - bu = BUFAC*cb; - - r = y + rv; - g = y + guv; - b = y + bu; - - if ((unsigned)(r | g | b) > 64*256-1) - { - r = clamp(r, 0, 64*256-1); - g = clamp(g, 0, 64*256-1); - b = clamp(b, 0, 64*256-1); - } - - *dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9); - - #if LCD_WIDTH >= LCD_HEIGHT - dst++; - #else - dst += LCD_WIDTH; - #endif - - y = YFAC*(*ysrc++ - 16); - r = y + rv; - g = y + guv; - b = y + bu; - - if ((unsigned)(r | g | b) > 64*256-1) - { - r = clamp(r, 0, 64*256-1); - g = clamp(g, 0, 64*256-1); - b = clamp(b, 0, 64*256-1); - } - - *dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9); - - #if LCD_WIDTH >= LCD_HEIGHT - dst++; - #else - dst += LCD_WIDTH; - #endif - } - while (dst < row_end); - - ysrc += stride; - usrc += stride >> 1; - vsrc += stride >> 1; - - #if LCD_WIDTH >= LCD_HEIGHT - row_end += LCD_WIDTH; - dst += LCD_WIDTH - width; - #else - row_end -= 1; - dst -= LCD_WIDTH*width + 1; - #endif - } - while (--linecounter > 0); - - #if LCD_WIDTH >= LCD_HEIGHT - lcd_update_rect(x, y, width, height); - #else - lcd_update_rect(LCD_WIDTH - y - height, x, height, width); - #endif -} |