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Use DMA for Blit to screen/clear

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11906 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Greg White 2007-01-04 11:43:33 +00:00
parent dd7b75bd2c
commit 9d0faed29c
3 changed files with 215 additions and 149 deletions

View file

@ -33,6 +33,11 @@
#include "font.h"
#include "rbunicode.h"
#include "bidi.h"
#if defined(TOSHIBA_GIGABEAT_F)
#define NON_GB_STATIC
#else
#define NON_GB_STATIC static
#endif
#define SCROLLABLE_LINES ((LCD_HEIGHT+4)/5 < 32 ? (LCD_HEIGHT+4)/5 : 32)
@ -45,11 +50,12 @@ enum fill_opt {
/*** globals ***/
fb_data lcd_framebuffer[LCD_HEIGHT][LCD_WIDTH] IRAM_LCDFRAMEBUFFER __attribute__ ((aligned (16)));
static fb_data* lcd_backdrop = NULL;
static long lcd_backdrop_offset IDATA_ATTR = 0;
static unsigned fg_pattern IDATA_ATTR = LCD_DEFAULT_FG;
static unsigned bg_pattern IDATA_ATTR = LCD_DEFAULT_BG;
NON_GB_STATIC unsigned fg_pattern IDATA_ATTR = LCD_DEFAULT_FG;
NON_GB_STATIC unsigned bg_pattern IDATA_ATTR = LCD_DEFAULT_BG;
static int drawmode = DRMODE_SOLID;
static int xmargin = 0;
static int ymargin = 0;
@ -75,9 +81,12 @@ static const char scroll_tick_table[16] = {
/* LCD init */
void lcd_init(void)
{
lcd_clear_display();
/* Call device specific init */
lcd_init_device();
lcd_clear_display();
/* Call device specific init */
lcd_init_device();
create_thread(scroll_thread, scroll_stack,
sizeof(scroll_stack), scroll_name
IF_PRIO(, PRIORITY_USER_INTERFACE));
@ -95,20 +104,24 @@ int lcd_get_drawmode(void)
return drawmode;
}
#if !defined(TOSHIBA_GIGABEAT_F)
void lcd_set_foreground(unsigned color)
{
fg_pattern = color;
}
#endif
unsigned lcd_get_foreground(void)
{
return fg_pattern;
}
#if !defined(TOSHIBA_GIGABEAT_F)
void lcd_set_background(unsigned color)
{
bg_pattern = color;
}
#endif
unsigned lcd_get_background(void)
{
@ -201,12 +214,13 @@ void lcd_set_backdrop(fb_data* backdrop)
{
lcd_backdrop_offset = (long)backdrop - (long)&lcd_framebuffer[0][0];
lcd_fastpixelfuncs = lcd_fastpixelfuncs_backdrop;
}
else
}
else
{
lcd_backdrop_offset = 0;
lcd_fastpixelfuncs = lcd_fastpixelfuncs_bgcolor;
}
lcd_device_prepare_backdrop(backdrop);
}
fb_data* lcd_get_backdrop(void)
@ -217,10 +231,11 @@ fb_data* lcd_get_backdrop(void)
/*** drawing functions ***/
/* Clear the whole display */
#if !defined(TOSHIBA_GIGABEAT_F)
void lcd_clear_display(void)
{
fb_data *dst = LCDADDR(0, 0);
fb_data *dst = LCDADDR(0, 0);
if (drawmode & DRMODE_INVERSEVID)
{
memset16(dst, fg_pattern, LCD_WIDTH*LCD_HEIGHT);
@ -234,6 +249,7 @@ void lcd_clear_display(void)
}
scrolling_lines = 0;
}
#endif
/* Set a single pixel */
void lcd_drawpixel(int x, int y)
@ -329,17 +345,17 @@ void lcd_hline(int x1, int x2, int y)
x1 = x2;
x2 = x;
}
/* nothing to draw? */
if (((unsigned)y >= LCD_HEIGHT) || (x1 >= LCD_WIDTH) || (x2 < 0))
return;
return;
/* clipping */
if (x1 < 0)
x1 = 0;
if (x2 >= LCD_WIDTH)
x2 = LCD_WIDTH-1;
if (drawmode & DRMODE_INVERSEVID)
{
if (drawmode & DRMODE_BG)
@ -363,7 +379,7 @@ void lcd_hline(int x1, int x2, int y)
}
dst = LCDADDR(x1, y);
width = x2 - x1 + 1;
switch (fillopt)
{
case OPT_SET:
@ -401,14 +417,14 @@ void lcd_vline(int x, int y1, int y2)
/* nothing to draw? */
if (((unsigned)x >= LCD_WIDTH) || (y1 >= LCD_HEIGHT) || (y2 < 0))
return;
return;
/* clipping */
if (y1 < 0)
y1 = 0;
if (y2 >= LCD_HEIGHT)
y2 = LCD_HEIGHT-1;
dst = LCDADDR(x, y1);
dst_end = dst + (y2 - y1) * LCD_WIDTH;
@ -463,7 +479,7 @@ void lcd_fillrect(int x, int y, int width, int height)
width = LCD_WIDTH - x;
if (y + height > LCD_HEIGHT)
height = LCD_HEIGHT - y;
if (drawmode & DRMODE_INVERSEVID)
{
if (drawmode & DRMODE_BG)
@ -544,7 +560,7 @@ void lcd_mono_bitmap_part(const unsigned char *src, int src_x, int src_y,
if ((width <= 0) || (height <= 0) || (x >= LCD_WIDTH) || (y >= LCD_HEIGHT)
|| (x + width <= 0) || (y + height <= 0))
return;
/* clipping */
if (x < 0)
{
@ -577,7 +593,7 @@ void lcd_mono_bitmap_part(const unsigned char *src, int src_x, int src_y,
unsigned data = *src_col >> src_y;
fb_data *dst_col = dst++;
int numbits = 8 - src_y;
dst_end = dst_col + height * LCD_WIDTH;
do
{
@ -620,7 +636,7 @@ void lcd_bitmap_part(const fb_data *src, int src_x, int src_y,
if ((width <= 0) || (height <= 0) || (x >= LCD_WIDTH) || (y >= LCD_HEIGHT)
|| (x + width <= 0) || (y + height <= 0))
return;
/* clipping */
if (x < 0)
{
@ -672,7 +688,7 @@ void lcd_bitmap_transparent_part(const fb_data *src, int src_x, int src_y,
if ((width <= 0) || (height <= 0) || (x >= LCD_WIDTH) || (y >= LCD_HEIGHT)
|| (x + width <= 0) || (y + height <= 0))
return;
/* clipping */
if (x < 0)
{
@ -742,7 +758,7 @@ static void lcd_putsxyofs(int x, int y, int ofs, const unsigned char *str)
bits = font_get_bits(pf, ch);
lcd_mono_bitmap_part(bits, ofs, 0, width, x, y, width - ofs, pf->height);
x += width - ofs;
ofs = 0;
}
@ -850,8 +866,8 @@ void lcd_puts_scroll_style(int x, int y, const unsigned char *string, int style)
void lcd_puts_scroll_offset(int x, int y, const unsigned char *string, int offset)
{
lcd_puts_scroll_style_offset(x, y, string, STYLE_DEFAULT, offset);
}
}
void lcd_puts_scroll_style_offset(int x, int y, const unsigned char *string,
int style, int offset)
{
@ -963,7 +979,7 @@ static void scroll_thread(void)
}
lastmode = drawmode;
drawmode = s->invert ?
drawmode = s->invert ?
(DRMODE_SOLID|DRMODE_INVERSEVID) : DRMODE_SOLID;
lcd_putsxyofs(xpos, ypos, s->offset, s->line);
drawmode = lastmode;