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LCD drivers: * Automatically optimise horizontal and vertical lines drawn via _drawline(), with debug message to show possible optimisations in the caller. * Get rid of the extra ICODE function declarations by putting the attribute into the definition.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17081 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2008-04-12 07:53:33 +00:00
parent 02eb1d83a7
commit 00ac809cc7
7 changed files with 140 additions and 120 deletions

View file

@ -242,43 +242,38 @@ lcd_pixelfunc_type* const lcd_pixelfuncs_backdrop[8] = {
lcd_pixelfunc_type* const * lcd_pixelfuncs = lcd_pixelfuncs_bgcolor;
/* 'mask' and 'bits' contain 2 bits per pixel */
static void flipblock(fb_data *address, unsigned mask, unsigned bits)
ICODE_ATTR;
static void flipblock(fb_data *address, unsigned mask, unsigned bits)
static void ICODE_ATTR flipblock(fb_data *address, unsigned mask,
unsigned bits)
{
*address ^= bits & mask;
}
static void bgblock(fb_data *address, unsigned mask, unsigned bits)
ICODE_ATTR;
static void bgblock(fb_data *address, unsigned mask, unsigned bits)
static void ICODE_ATTR bgblock(fb_data *address, unsigned mask,
unsigned bits)
{
unsigned data = *address;
*address = data ^ ((data ^ bg_pattern) & mask & ~bits);
}
static void bgimgblock(fb_data *address, unsigned mask, unsigned bits)
ICODE_ATTR;
static void bgimgblock(fb_data *address, unsigned mask, unsigned bits)
static void ICODE_ATTR bgimgblock(fb_data *address, unsigned mask,
unsigned bits)
{
unsigned data = *address;
*address = data ^ ((data ^ *(address + lcd_backdrop_offset)) & mask & ~bits);
}
static void fgblock(fb_data *address, unsigned mask, unsigned bits)
ICODE_ATTR;
static void fgblock(fb_data *address, unsigned mask, unsigned bits)
static void ICODE_ATTR fgblock(fb_data *address, unsigned mask,
unsigned bits)
{
unsigned data = *address;
*address = data ^ ((data ^ fg_pattern) & mask & bits);
}
static void solidblock(fb_data *address, unsigned mask, unsigned bits)
ICODE_ATTR;
static void solidblock(fb_data *address, unsigned mask, unsigned bits)
static void ICODE_ATTR solidblock(fb_data *address, unsigned mask,
unsigned bits)
{
unsigned data = *address;
unsigned bgp = bg_pattern;
@ -287,9 +282,8 @@ static void solidblock(fb_data *address, unsigned mask, unsigned bits)
*address = data ^ ((data ^ bits) & mask);
}
static void solidimgblock(fb_data *address, unsigned mask, unsigned bits)
ICODE_ATTR;
static void solidimgblock(fb_data *address, unsigned mask, unsigned bits)
static void ICODE_ATTR solidimgblock(fb_data *address, unsigned mask,
unsigned bits)
{
unsigned data = *address;
unsigned bgp = *(address + lcd_backdrop_offset);
@ -298,43 +292,38 @@ static void solidimgblock(fb_data *address, unsigned mask, unsigned bits)
*address = data ^ ((data ^ bits) & mask);
}
static void flipinvblock(fb_data *address, unsigned mask, unsigned bits)
ICODE_ATTR;
static void flipinvblock(fb_data *address, unsigned mask, unsigned bits)
static void ICODE_ATTR flipinvblock(fb_data *address, unsigned mask,
unsigned bits)
{
*address ^= ~bits & mask;
}
static void bginvblock(fb_data *address, unsigned mask, unsigned bits)
ICODE_ATTR;
static void bginvblock(fb_data *address, unsigned mask, unsigned bits)
static void ICODE_ATTR bginvblock(fb_data *address, unsigned mask,
unsigned bits)
{
unsigned data = *address;
*address = data ^ ((data ^ bg_pattern) & mask & bits);
}
static void bgimginvblock(fb_data *address, unsigned mask, unsigned bits)
ICODE_ATTR;
static void bgimginvblock(fb_data *address, unsigned mask, unsigned bits)
static void ICODE_ATTR bgimginvblock(fb_data *address, unsigned mask,
unsigned bits)
{
unsigned data = *address;
*address = data ^ ((data ^ *(address + lcd_backdrop_offset)) & mask & bits);
}
static void fginvblock(fb_data *address, unsigned mask, unsigned bits)
ICODE_ATTR;
static void fginvblock(fb_data *address, unsigned mask, unsigned bits)
static void ICODE_ATTR fginvblock(fb_data *address, unsigned mask,
unsigned bits)
{
unsigned data = *address;
*address = data ^ ((data ^ fg_pattern) & mask & ~bits);
}
static void solidinvblock(fb_data *address, unsigned mask, unsigned bits)
ICODE_ATTR;
static void solidinvblock(fb_data *address, unsigned mask, unsigned bits)
static void ICODE_ATTR solidinvblock(fb_data *address, unsigned mask,
unsigned bits)
{
unsigned data = *address;
unsigned fgp = fg_pattern;
@ -343,9 +332,8 @@ static void solidinvblock(fb_data *address, unsigned mask, unsigned bits)
*address = data ^ ((data ^ bits) & mask);
}
static void solidimginvblock(fb_data *address, unsigned mask, unsigned bits)
ICODE_ATTR;
static void solidimginvblock(fb_data *address, unsigned mask, unsigned bits)
static void ICODE_ATTR solidimginvblock(fb_data *address, unsigned mask,
unsigned bits)
{
unsigned data = *address;
unsigned fgp = fg_pattern;
@ -463,7 +451,19 @@ void lcd_drawline(int x1, int y1, int x2, int y2)
lcd_pixelfunc_type *pfunc = lcd_pixelfuncs[current_vp->drawmode];
deltax = abs(x2 - x1);
if (deltax == 0)
{
DEBUGF("lcd_drawline() called for vertical line - optimisation.\n");
lcd_vline(x1, y1, y2);
return;
}
deltay = abs(y2 - y1);
if (deltay == 0)
{
DEBUGF("lcd_drawline() called for horizontal line - optimisation.\n");
lcd_hline(x1, x2, y1);
return;
}
xinc2 = 1;
yinc2 = 1;
@ -729,11 +729,9 @@ void lcd_fillrect(int x, int y, int width, int height)
* This is similar to the internal lcd hw format. */
/* Draw a partial monochrome bitmap */
void lcd_mono_bitmap_part(const unsigned char *src, int src_x, int src_y,
int stride, int x, int y, int width, int height)
ICODE_ATTR;
void lcd_mono_bitmap_part(const unsigned char *src, int src_x, int src_y,
int stride, int x, int y, int width, int height)
void ICODE_ATTR lcd_mono_bitmap_part(const unsigned char *src, int src_x,
int src_y, int stride, int x, int y,
int width, int height)
{
int shift, ny;
fb_data *dst, *dst_end;
@ -901,11 +899,9 @@ void lcd_mono_bitmap(const unsigned char *src, int x, int y, int width, int heig
* This is the same as the internal lcd hw format. */
/* Draw a partial native bitmap */
void lcd_bitmap_part(const fb_data *src, int src_x, int src_y,
int stride, int x, int y, int width, int height)
ICODE_ATTR;
void lcd_bitmap_part(const fb_data *src, int src_x, int src_y,
int stride, int x, int y, int width, int height)
void ICODE_ATTR lcd_bitmap_part(const fb_data *src, int src_x, int src_y,
int stride, int x, int y, int width,
int height)
{
int shift, ny;
fb_data *dst, *dst_end;