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Remove YUV blitting functions and LCD modes

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None of this is needed now that mpegplayer is gone.

Change-Id: I360366db8513e4d988021e8d7b7d8eb09930efb8
This commit is contained in:
Aidan MacDonald 2022-10-03 10:17:41 +01:00
parent b371ff1f47
commit fe6aa21e9e
54 changed files with 3 additions and 9638 deletions
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77
firmware/target/arm/lcd-c200_c200v2.c
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@ -30,9 +30,6 @@
#endif
/* Display status */
#if MEMORYSIZE > 2
static unsigned lcd_yuv_options SHAREDBSS_ATTR = 0;
#endif
static bool is_lcd_enabled = true;
/* LCD command set for Samsung S6B33B2 */
@ -301,80 +298,6 @@ void lcd_set_flip(bool yesno)
/*** update functions ***/
#if MEMORYSIZE > 2 /* not for C200V2 */
void lcd_yuv_set_options(unsigned options)
{
lcd_yuv_options = options;
}
/* Line write helper function for lcd_yuv_blit. Write two lines of yuv420. */
extern void lcd_write_yuv420_lines(unsigned char const * const src[3],
int width,
int stride);
extern void lcd_write_yuv420_lines_odither(unsigned char const * const src[3],
int width,
int stride,
int x_screen, /* To align dither pattern */
int y_screen);
/* Performance function to blit a YUV bitmap directly to the LCD */
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)
{
unsigned char const * yuv_src[3];
off_t z;
/* Sorry, but width and height must be >= 2 or else */
width &= ~1;
height >>= 1;
y += 0x1a;
z = stride*src_y;
yuv_src[0] = src[0] + z + src_x;
yuv_src[1] = src[1] + (z >> 2) + (src_x >> 1);
yuv_src[2] = src[2] + (yuv_src[1] - src[1]);
lcd_send_command(R_ENTRY_MODE, 0x80);
lcd_send_command(R_X_ADDR_AREA, x);
lcd_send_command(x + width - 1, 0);
if (lcd_yuv_options & LCD_YUV_DITHER)
{
do
{
lcd_send_command(R_Y_ADDR_AREA, y);
lcd_send_command(y + 1, 0);
lcd_write_yuv420_lines_odither(yuv_src, width, stride, x, y);
yuv_src[0] += stride << 1; /* Skip down two luma lines */
yuv_src[1] += stride >> 1; /* Skip down one chroma line */
yuv_src[2] += stride >> 1;
y += 2;
}
while (--height > 0);
}
else
{
do
{
lcd_send_command(R_Y_ADDR_AREA, y);
lcd_send_command(y + 1, 0);
lcd_write_yuv420_lines(yuv_src, width, stride);
yuv_src[0] += stride << 1; /* Skip down two luma lines */
yuv_src[1] += stride >> 1; /* Skip down one chroma line */
yuv_src[2] += stride >> 1;
y += 2;
}
while (--height > 0);
}
}
#endif /* MEMORYSIZE > 2 */
/* Update the display.
This must be called after all other LCD functions that change the display. */
void lcd_update(void)