A couple of optimisations.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6981 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2005-07-02 07:21:21 +00:00
parent 876a044ae0
commit 3291ae6bfa
4 changed files with 87 additions and 44 deletions

View file

@ -317,7 +317,7 @@ void pgfx_hline(int x1, int x2, int y)
void pgfx_vline(int x, int y1, int y2)
{
int y;
unsigned char *dst;
unsigned char *dst, *dst_end;
unsigned mask;
lcd_blockfunc_type *bfunc;
@ -344,8 +344,10 @@ void pgfx_vline(int x, int y1, int y2)
dst = &gfx_buffer[pixel_height * (x/5) + y1];
mask = 0x10 >> (x % 5);
for (y = y1; y <= y2; y++)
dst_end = dst + y2 - y1;
do
bfunc(dst++, mask, 0x1F);
while (dst <= dst_end);
}
/* Draw a rectangular box */
@ -366,8 +368,8 @@ void pgfx_drawrect(int x, int y, int width, int height)
/* Fill a rectangular area */
void pgfx_fillrect(int x, int y, int width, int height)
{
int nx, i;
unsigned char *dst;
int nx;
unsigned char *dst, *dst_end;
unsigned mask, mask_right;
lcd_blockfunc_type *bfunc;
@ -402,16 +404,20 @@ void pgfx_fillrect(int x, int y, int width, int height)
{
unsigned char *dst_col = dst;
for (i = height; i > 0; i--)
dst_end = dst_col + height;
do
bfunc(dst_col++, mask, 0x1F);
while (dst_col < dst_end);
dst += pixel_height;
mask = 0x1F;
}
mask &= mask_right;
for (i = height; i > 0; i--)
dst_end = dst + height;
do
bfunc(dst++, mask, 0x1F);
while (dst < dst_end);
}
/* About PlayerGFX internal bitmap format:
@ -429,7 +435,7 @@ void pgfx_bitmap_part(const unsigned char *src, int src_x, int src_y,
int stride, int x, int y, int width, int height)
{
int nx, shift;
unsigned char *dst;
unsigned char *dst, *dst_end;
unsigned mask, mask_right;
lcd_blockfunc_type *bfunc;
@ -465,10 +471,11 @@ void pgfx_bitmap_part(const unsigned char *src, int src_x, int src_y,
mask = 0x1F >> (x % 5);
mask_right = 0x1F0 >> (nx % 5);
for (y = 0; y < height; y++)
dst_end = dst + height;
do
{
const unsigned char *src_row = src;
unsigned char *dst_row = dst;
unsigned char *dst_row = dst++;
unsigned mask_row = mask;
unsigned data = *src_row++;
int extrabits = shift;
@ -493,8 +500,8 @@ void pgfx_bitmap_part(const unsigned char *src, int src_x, int src_y,
bfunc(dst_row, mask_row & mask_right, data >> extrabits);
src += stride;
dst++;
}
while (dst < dst_end);
}
/* Draw a full bitmap */

View file

@ -653,7 +653,7 @@ void lcd_remote_drawline(int x1, int y1, int x2, int y2)
void lcd_remote_hline(int x1, int x2, int y)
{
int x;
unsigned char *dst;
unsigned char *dst, *dst_end;
unsigned mask;
lcd_blockfunc_type *bfunc;
@ -680,8 +680,10 @@ void lcd_remote_hline(int x1, int x2, int y)
dst = &lcd_remote_framebuffer[y>>3][x1];
mask = 1 << (y & 7);
for (x = x1; x <= x2; x++)
dst_end = dst + x2 - x1;
do
bfunc(dst++, mask, 0xFFu);
while (dst <= dst_end);
}
/* Draw a vertical line (optimised) */
@ -745,8 +747,8 @@ void lcd_remote_drawrect(int x, int y, int width, int height)
/* Fill a rectangular area */
void lcd_remote_fillrect(int x, int y, int width, int height)
{
int ny, i;
unsigned char *dst;
int ny;
unsigned char *dst, *dst_end;
unsigned mask, mask_bottom;
unsigned bits = 0xFFu;
lcd_blockfunc_type *bfunc;
@ -791,8 +793,10 @@ void lcd_remote_fillrect(int x, int y, int width, int height)
{
unsigned char *dst_row = dst;
for (i = width; i > 0; i--)
dst_end = dst_row + width;
do
bfunc(dst_row++, mask, 0xFFu);
while (dst_row < dst_end);
}
dst += LCD_REMOTE_WIDTH;
@ -804,8 +808,10 @@ void lcd_remote_fillrect(int x, int y, int width, int height)
memset(dst, bits, width);
else
{
for (i = width; i > 0; i--)
dst_end = dst + width;
do
bfunc(dst++, mask, 0xFFu);
while (dst < dst_end);
}
}
@ -827,8 +833,8 @@ void lcd_remote_bitmap_part(const unsigned char *src, int src_x, int src_y,
void lcd_remote_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, i;
unsigned char *dst;
int shift, ny;
unsigned char *dst, *dst_end;
unsigned mask, mask_bottom;
lcd_blockfunc_type *bfunc;
@ -879,8 +885,10 @@ void lcd_remote_bitmap_part(const unsigned char *src, int src_x, int src_y,
const unsigned char *src_row = src;
unsigned char *dst_row = dst;
for (i = width; i > 0; i--)
dst_end = dst_row + width;
do
bfunc(dst_row++, mask, *src_row++);
while (dst_row < dst_end);
}
src += stride;
@ -893,13 +901,16 @@ void lcd_remote_bitmap_part(const unsigned char *src, int src_x, int src_y,
memcpy(dst, src, width);
else
{
for (i = width; i > 0; i--)
dst_end = dst + width;
do
bfunc(dst++, mask, *src++);
while (dst < dst_end);
}
}
else
{
for (x = 0; x < width; x++)
dst_end = dst + width;
do
{
const unsigned char *src_col = src++;
unsigned char *dst_col = dst++;
@ -925,6 +936,7 @@ void lcd_remote_bitmap_part(const unsigned char *src, int src_x, int src_y,
data |= *src_col << shift;
bfunc(dst_col, mask_col & mask_bottom, data);
}
while (dst < dst_end);
}
}

View file

@ -492,7 +492,7 @@ void lcd_drawline(int x1, int y1, int x2, int y2)
void lcd_hline(int x1, int x2, int y)
{
int x;
unsigned char *dst;
unsigned char *dst, *dst_end;
unsigned mask;
lcd_blockfunc_type *bfunc;
@ -518,8 +518,10 @@ void lcd_hline(int x1, int x2, int y)
dst = &lcd_framebuffer[y>>3][x1];
mask = 1 << (y & 7);
for (x = x1; x <= x2; x++)
dst_end = dst + x2 - x1;
do
bfunc(dst++, mask, 0xFFu);
while (dst <= dst_end);
}
/* Draw a vertical line (optimised) */
@ -582,8 +584,8 @@ void lcd_drawrect(int x, int y, int width, int height)
/* Fill a rectangular area */
void lcd_fillrect(int x, int y, int width, int height)
{
int ny, i;
unsigned char *dst;
int ny;
unsigned char *dst, *dst_end;
unsigned mask, mask_bottom;
unsigned bits = 0xFFu;
lcd_blockfunc_type *bfunc;
@ -628,8 +630,10 @@ void lcd_fillrect(int x, int y, int width, int height)
{
unsigned char *dst_row = dst;
for (i = width; i > 0; i--)
dst_end = dst_row + width;
do
bfunc(dst_row++, mask, 0xFFu);
while (dst_row < dst_end);
}
dst += LCD_WIDTH;
@ -641,8 +645,10 @@ void lcd_fillrect(int x, int y, int width, int height)
memset(dst, bits, width);
else
{
for (i = width; i > 0; i--)
dst_end = dst + width;
do
bfunc(dst++, mask, 0xFFu);
while (dst < dst_end);
}
}
@ -664,8 +670,8 @@ void lcd_bitmap_part(const unsigned char *src, int src_x, int src_y,
void lcd_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, i;
unsigned char *dst;
int shift, ny;
unsigned char *dst, *dst_end;
unsigned mask, mask_bottom;
lcd_blockfunc_type *bfunc;
@ -716,8 +722,10 @@ void lcd_bitmap_part(const unsigned char *src, int src_x, int src_y,
const unsigned char *src_row = src;
unsigned char *dst_row = dst;
for (i = width; i > 0; i--)
dst_end = dst_row + width;
do
bfunc(dst_row++, mask, *src_row++);
while (dst_row < dst_end);
}
src += stride;
@ -730,13 +738,16 @@ void lcd_bitmap_part(const unsigned char *src, int src_x, int src_y,
memcpy(dst, src, width);
else
{
for (i = width; i > 0; i--)
dst_end = dst + width;
do
bfunc(dst++, mask, *src++);
while (dst < dst_end);
}
}
else
{
for (x = 0; x < width; x++)
dst_end = dst + width;
do
{
const unsigned char *src_col = src++;
unsigned char *dst_col = dst++;
@ -762,6 +773,7 @@ void lcd_bitmap_part(const unsigned char *src, int src_x, int src_y,
data |= *src_col << shift;
bfunc(dst_col, mask_col & mask_bottom, data);
}
while (dst < dst_end);
}
}

View file

@ -549,7 +549,7 @@ void lcd_drawline(int x1, int y1, int x2, int y2)
void lcd_hline(int x1, int x2, int y)
{
int x;
unsigned char *dst;
unsigned char *dst, *dst_end;
unsigned mask;
lcd_blockfunc_type *bfunc;
@ -575,8 +575,10 @@ void lcd_hline(int x1, int x2, int y)
dst = &lcd_framebuffer[y>>3][x1];
mask = 1 << (y & 7);
for (x = x1; x <= x2; x++)
dst_end = dst + x2 - x1;
do
bfunc(dst++, mask, 0xFFu);
while (dst <= dst_end);
}
/* Draw a vertical line (optimised) */
@ -639,8 +641,8 @@ void lcd_drawrect(int x, int y, int width, int height)
/* Fill a rectangular area */
void lcd_fillrect(int x, int y, int width, int height)
{
int ny, i;
unsigned char *dst;
int ny;
unsigned char *dst, *dst_end;
unsigned mask, mask_bottom;
unsigned bits = 0xFFu;
lcd_blockfunc_type *bfunc;
@ -685,8 +687,10 @@ void lcd_fillrect(int x, int y, int width, int height)
{
unsigned char *dst_row = dst;
for (i = width; i > 0; i--)
dst_end = dst_row + width;
do
bfunc(dst_row++, mask, 0xFFu);
while (dst_row < dst_end);
}
dst += LCD_WIDTH;
@ -698,8 +702,10 @@ void lcd_fillrect(int x, int y, int width, int height)
memset(dst, bits, width);
else
{
for (i = width; i > 0; i--)
dst_end = dst + width;
do
bfunc(dst++, mask, 0xFFu);
while (dst < dst_end);
}
}
@ -721,8 +727,8 @@ void lcd_bitmap_part(const unsigned char *src, int src_x, int src_y,
void lcd_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, i;
unsigned char *dst;
int shift, ny;
unsigned char *dst, *dst_end;
unsigned mask, mask_bottom;
lcd_blockfunc_type *bfunc;
@ -772,9 +778,11 @@ void lcd_bitmap_part(const unsigned char *src, int src_x, int src_y,
{
const unsigned char *src_row = src;
unsigned char *dst_row = dst;
for (i = width; i > 0; i--)
dst_end = dst_row + width;
do
bfunc(dst_row++, mask, *src_row++);
while (dst_row < dst_end);
}
src += stride;
@ -787,13 +795,16 @@ void lcd_bitmap_part(const unsigned char *src, int src_x, int src_y,
memcpy(dst, src, width);
else
{
for (i = width; i > 0; i--)
dst_end = dst + width;
do
bfunc(dst++, mask, *src++);
while (dst < dst_end);
}
}
else
{
for (x = 0; x < width; x++)
dst_end = dst + width;
do
{
const unsigned char *src_col = src++;
unsigned char *dst_col = dst++;
@ -819,6 +830,7 @@ void lcd_bitmap_part(const unsigned char *src, int src_x, int src_y,
data |= *src_col << shift;
bfunc(dst_col, mask_col & mask_bottom, data);
}
while (dst < dst_end);
}
}