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Greyscale library: Changed the internal data format once more (separated pixel values and phases), allowing for further optimisation of drawing, scrolling etc. * Optimised grey phase blitting in the core reduces CPU load on all architectures, most significantly on coldfire. Previous version was too slow to keep up at 45MHz, leading to unwanted graininess (update frequency was halved). Also fixed screendump on 2bpp targets with vertical pixel packing.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16043 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2008-01-09 23:48:26 +00:00
parent 75380fd27d
commit 6a56c14e17
13 changed files with 462 additions and 313 deletions
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9
apps/plugin.h
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@ -119,12 +119,12 @@
#define PLUGIN_MAGIC 0x526F634B /* RocK */
/* increase this every time the api struct changes */
#define PLUGIN_API_VERSION 95
#define PLUGIN_API_VERSION 96
/* update this to latest version if a change to the api struct breaks
backwards compatibility (and please take the opportunity to sort in any
new function which are "waiting" at the end of the function table) */
#define PLUGIN_MIN_API_VERSION 95
#define PLUGIN_MIN_API_VERSION 96
/* plugin return codes */
enum plugin_status {
@ -268,8 +268,9 @@ struct plugin_api {
int height);
#endif
#if defined(HAVE_LCD_BITMAP) && (LCD_DEPTH < 4) && !defined(SIMULATOR)
void (*lcd_grey_phase_blit)(const struct grey_data *data, int bx, int by,
int bwidth, int bheight, int stride);
void (*lcd_grey_phase_blit)(unsigned char *values, unsigned char *phases,
int bx, int by, int bwidth, int bheight,
int stride);
#endif
#if defined(HAVE_LCD_COLOR)
void (*lcd_yuv_blit)(unsigned char * const src[3],