Cabbiev2 gigabeat background: reduce WPS backdrop filesize by storing it as 24 bit BMP instead of unnecessary 32 bit.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16802 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 78 insertions, 9 deletions

diff --git a/apps/plugins/lib/grey_core.c b/apps/plugins/lib/grey_core.c
index caa7af2f25..ad8f306dea 100644
--- a/apps/plugins/lib/grey_core.c
+++ b/apps/plugins/lib/grey_core.c
@@ -26,7 +26,8 @@
 #include "plugin.h"
 #include "grey.h"
 
-#if defined(CPU_PP) && defined(HAVE_ADJUSTABLE_CPU_FREQ)
+#if defined(HAVE_ADJUSTABLE_CPU_FREQ) && \
+    (defined(CPU_PP) || (CONFIG_LCD == LCD_TL0350A))
 #define NEED_BOOST
 #endif
 
@@ -143,6 +144,42 @@ static const unsigned char lcdlinear[256] = {
     203, 206, 209, 212, 215, 219, 222, 226,
     229, 233, 236, 240, 244, 248, 251, 255
 };
+#elif CONFIG_LCD == LCD_TL0350A
+/* generic linear curve - not yet measured */
+static const unsigned char lcdlinear[256] = {
+      0,   1,   2,   3,   4,   5,   6,   7,
+      8,   9,  10,  11,  12,  13,  14,  15,
+     16,  17,  18,  19,  20,  21,  22,  23,
+     24,  25,  26,  27,  28,  29,  30,  31,
+     32,  33,  34,  35,  36,  37,  38,  39,
+     40,  41,  42,  43,  44,  45,  46,  47,
+     48,  49,  50,  51,  52,  53,  54,  55,
+     56,  57,  58,  59,  60,  61,  62,  63,
+     64,  65,  66,  67,  68,  69,  70,  71,
+     72,  73,  74,  75,  76,  77,  78,  79,
+     80,  81,  82,  83,  84,  85,  86,  87,
+     88,  89,  90,  91,  92,  93,  94,  95,
+     96,  97,  98,  99, 100, 101, 102, 103,
+    104, 105, 106, 107, 108, 109, 110, 111,
+    112, 113, 114, 115, 116, 117, 118, 119,
+    120, 121, 122, 123, 124, 125, 126, 127,
+    128, 129, 130, 131, 132, 133, 134, 135,
+    136, 137, 138, 139, 140, 141, 142, 143,
+    144, 145, 146, 147, 148, 149, 150, 151,
+    152, 153, 154, 155, 156, 157, 158, 159,
+    160, 161, 162, 163, 164, 165, 166, 167,
+    168, 169, 170, 171, 172, 173, 174, 175,
+    176, 177, 178, 179, 180, 181, 182, 183,
+    184, 185, 186, 187, 188, 189, 190, 191,
+    192, 193, 194, 195, 196, 197, 198, 199,
+    200, 201, 202, 203, 204, 205, 206, 207,
+    208, 209, 210, 211, 212, 213, 214, 215,
+    216, 217, 218, 219, 220, 221, 222, 223,
+    224, 225, 226, 227, 228, 229, 230, 231,
+    232, 233, 234, 235, 236, 237, 238, 239,
+    240, 241, 242, 243, 244, 245, 246, 247,
+    248, 249, 250, 251, 252, 253, 254, 255
+};
 #endif
 #else /* SIMULATOR */
 /* undo a (generic) PC display gamma of 2.0 to simulate target behaviour */
@@ -225,7 +262,7 @@ static unsigned long _grey_get_pixel(int x, int y)
     int yg = y - _grey_info.y;
 #if LCD_PIXELFORMAT == HORIZONTAL_PACKING
     int idx = _grey_info.width * yg + xg;
-#else
+#else /* vertical packing or vertical interleaved */
     int idx = _grey_info.width * (yg & ~_GREY_BMASK) 
             + (xg << _GREY_BSHIFT) + (~yg & _GREY_BMASK);
 #endif
@@ -243,7 +280,7 @@ static void _timer_isr(void)
                                        _grey_info.bx, _grey_info.y,
                                        _grey_info.bwidth, _grey_info.height,
                                        _grey_info.width);
-#else
+#else /* vertical packing or vertical interleaved */
     _grey_info.rb->lcd_blit_grey_phase(_grey_info.values, _grey_info.phases,
                                        _grey_info.x, _grey_info.by,
                                        _grey_info.width, _grey_info.bheight,
@@ -355,8 +392,8 @@ bool grey_init(struct plugin_api* newrb, unsigned char *gbuf, long gbuf_size,
 #if LCD_PIXELFORMAT == HORIZONTAL_PACKING
     bdim = (width + 7) >> 3;
     width = bdim << 3;
-#else /* vertical packing */
-#if LCD_DEPTH == 1
+#else /* vertical packing or vertical interleaved */
+#if (LCD_DEPTH == 1) || (LCD_PIXELFORMAT == VERTICAL_INTERLEAVED)
     bdim = (height + 7) >> 3;
     height = bdim << 3;
 #elif LCD_DEPTH == 2
@@ -408,7 +445,7 @@ bool grey_init(struct plugin_api* newrb, unsigned char *gbuf, long gbuf_size,
 #if LCD_PIXELFORMAT == HORIZONTAL_PACKING
     _grey_info.bx = 0;
     _grey_info.bwidth = bdim;
-#else
+#else /* vertical packing or vertical interleaved */
     _grey_info.by = 0;
     _grey_info.bheight = bdim;
 #endif
@@ -491,6 +528,9 @@ void grey_show(bool enable)
         _grey_info.rb->timer_register(1, NULL, TIMER_FREQ / 83, 1, _timer_isr);
 #elif CONFIG_LCD == LCD_MROBE100
         _grey_info.rb->timer_register(1, NULL, TIMER_FREQ / 83, 1, _timer_isr); /* not calibrated/tested */
+#elif CONFIG_LCD == LCD_TL0350A
+        _grey_info.rb->timer_register(1, NULL, TIMER_FREQ / 75, 1, _timer_isr); /* verified */
+        /* This is half of the actual frame frequency, but 150Hz is too much */
 #endif /* CONFIG_LCD */
 #endif /* !SIMULATOR */
         _grey_info.rb->screen_dump_set_hook(grey_screendump_hook);
@@ -607,8 +647,11 @@ static void grey_screendump_hook(int fd)
 #elif LCD_DEPTH == 2
     int shift;
 #endif
-#endif /* LCD_PIXELFORMAT == VERTICAL_PACKING */
-    unsigned char *lcdptr;
+#elif LCD_PIXELFORMAT == VERTICAL_INTERLEAVED
+    unsigned data;
+    int shift;
+#endif /* LCD_PIXELFORMAT */
+    fb_data *lcdptr;
     unsigned char *clut_entry;
     unsigned char linebuf[MAX(4*BMP_VARCOLORS,BMP_LINESIZE)];
 
@@ -660,7 +703,7 @@ static void grey_screendump_hook(int fd)
             lcdptr++;
         }
 #endif /* LCD_DEPTH */
-#else /* LCD_PIXELFORMAT == VERTICAL_PACKING */
+#elif LCD_PIXELFORMAT == VERTICAL_PACKING
 #if LCD_DEPTH == 1
         mask = 1 << (y & 7);
         lcdptr = _grey_info.rb->lcd_framebuffer + _GREY_MULUQ(LCD_WIDTH, y >> 3);
@@ -708,6 +751,32 @@ static void grey_screendump_hook(int fd)
             lcdptr++;
         }
 #endif /* LCD_DEPTH */
+#elif LCD_PIXELFORMAT == VERTICAL_INTERLEAVED
+#if LCD_DEPTH == 2
+        shift = y & 7;
+        lcdptr = _grey_info.rb->lcd_framebuffer + _GREY_MULUQ(LCD_WIDTH, y >> 3);
+
+        for (x = 0; x < LCD_WIDTH; x++)
+        {
+            gx = x - _grey_info.x;
+
+            if (((unsigned)gy < (unsigned)_grey_info.height)
+                && ((unsigned)gx < (unsigned)_grey_info.width))
+            {
+                linebuf[x] = BMP_FIXEDCOLORS
+                           + _grey_info.values[_GREY_MULUQ(_grey_info.width,
+                                                           gy & ~_GREY_BMASK)
+                                               + (gx << _GREY_BSHIFT)
+                                               + (~gy & _GREY_BMASK)];
+            }
+            else
+            {
+                data = (*lcdptr >> shift) & 0x0101;
+                linebuf[x] = ((data >> 7) | data) & 3;
+            }
+            lcdptr++;
+        }
+#endif /* LCD_DEPTH */
 #endif /* LCD_PIXELFORMAT */
 
         _grey_info.rb->write(fd, linebuf, BMP_LINESIZE);