From fe6aa21e9eb88f49005863efd2003d0982920048 Mon Sep 17 00:00:00 2001 From: Aidan MacDonald Date: Mon, 3 Oct 2022 10:17:41 +0100 Subject: Remove YUV blitting functions and LCD modes None of this is needed now that mpegplayer is gone. Change-Id: I360366db8513e4d988021e8d7b7d8eb09930efb8 --- firmware/asm/lcd-as-memframe.c | 168 ----------------------------------------- 1 file changed, 168 deletions(-) (limited to 'firmware/asm/lcd-as-memframe.c') diff --git a/firmware/asm/lcd-as-memframe.c b/firmware/asm/lcd-as-memframe.c index fb31fa1953..f7f3473fad 100644 --- a/firmware/asm/lcd-as-memframe.c +++ b/firmware/asm/lcd-as-memframe.c @@ -9,171 +9,3 @@ void lcd_copy_buffer_rect(fb_data *dst, fb_data *src, int width, int height) dst += LCD_WIDTH; } while (--height); } - -#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; -} - -extern void lcd_write_yuv420_lines(fb_data *dst, - unsigned char const * const src[3], - int width, - int stride) -{ - /* Draw a partial YUV colour bitmap - similiar behavior to lcd_blit_yuv - in the core */ - const unsigned char *ysrc, *usrc, *vsrc; - fb_data *row_end; - - /* width and height must be >= 2 and an even number */ - width &= ~1; - -#if LCD_WIDTH >= LCD_HEIGHT - row_end = dst + width; -#else - row_end = dst + LCD_WIDTH * width; -#endif - - ysrc = src[0]; - usrc = src[1]; - vsrc = src[2]; - - /* stride => amount to jump from end of last row to start of next */ - stride -= width; - - /* upsampling, YUV->RGB conversion and reduction to RGB in one go */ - - 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 = FB_RGBPACK(r >> 6, g >> 6, b >> 6); - -#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 = FB_RGBPACK(r >> 6, g >> 6, b >> 6); - -#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 = FB_RGBPACK(r >> 6, g >> 6, b >> 6); - -#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 = FB_RGBPACK(r >> 6, g >> 6, b >> 6); - -#if LCD_WIDTH >= LCD_HEIGHT - dst++; -#else - dst += LCD_WIDTH; -#endif - } - while (dst < row_end); -} - -void lcd_write_yuv420_lines_odither(fb_data *dst, - unsigned char const * const src[3], - int width, int stride, - int x_screen, int y_screen) -__attribute__((alias("lcd_write_yuv420_lines"))); -- cgit v1.2.3