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Make screendump work on the M3 (sim).

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16664 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2008-03-14 10:13:58 +00:00
parent 1b53f44892
commit fc2a757e33
1 changed files with 32 additions and 4 deletions
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36
apps/misc.c
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@ -424,8 +424,10 @@ void screen_dump(void)
#elif LCD_DEPTH == 2
#if LCD_PIXELFORMAT == HORIZONTAL_PACKING
static unsigned char line_block[BMP_LINESIZE];
#else
#elif LCD_PIXELFORMAT == VERTICAL_PACKING
static unsigned char line_block[4][BMP_LINESIZE];
#elif LCD_PIXELFORMAT == VERTICAL_INTERLEAVED
static unsigned char line_block[8][BMP_LINESIZE];
#endif
#elif LCD_DEPTH == 16
static unsigned short line_block[BMP_LINESIZE/2];
@ -501,7 +503,7 @@ void screen_dump(void)
write(fh, line_block, sizeof(line_block));
}
#else /* VERTICAL_PACKING */
#elif LCD_PIXELFORMAT == VERTICAL_PACKING
for (by = LCD_FBHEIGHT - 1; by >= 0; by--)
{
unsigned char *src = &lcd_framebuffer[by][0];
@ -511,19 +513,45 @@ void screen_dump(void)
for (bx = LCD_WIDTH/2; bx > 0; bx--)
{
unsigned char *dst_blk = dst++;
unsigned src_byte0 = *src++;
unsigned src_byte0 = *src++ << 4;
unsigned src_byte1 = *src++;
int iy;
for (iy = 4; iy > 0; iy--)
{
*dst_blk = ((src_byte0 & 3) << 4) | (src_byte1 & 3);
*dst_blk = (src_byte0 & 0x30) | (src_byte1 & 0x03);
src_byte0 >>= 2;
src_byte1 >>= 2;
dst_blk -= BMP_LINESIZE;
}
}
write(fh, line_block, sizeof(line_block));
}
#elif LCD_PIXELFORMAT == VERTICAL_INTERLEAVED
for (by = LCD_FBHEIGHT - 1; by >= 0; by--)
{
const fb_data *src = &lcd_framebuffer[by][0];
unsigned char *dst = &line_block[7][0];
memset(line_block, 0, sizeof(line_block));
for (bx = LCD_WIDTH/2; bx > 0; bx--)
{
unsigned char *dst_blk = dst++;
unsigned src_data0 = *src++ << 4;
unsigned src_data1 = *src++;
int iy;
for (iy = 8; iy > 0; iy--)
{
*dst_blk = (src_data0 & 0x10) | (src_data1 & 0x01)
| ((src_data0 & 0x1000) | (src_data1 & 0x0100)) >> 7;
src_data0 >>= 1;
src_data1 >>= 1;
dst_blk -= BMP_LINESIZE;
}
}
write(fh, line_block, sizeof(line_block));
}
#endif