VARCem/PDCurses
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Dirtying mechanism for SDL -- small but noticeable speedup.

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This commit is contained in:
William McBrine
2019-08-02 18:04:14 -04:00
parent 2f95683e60
commit 224d67aef1
6 changed files with 22 additions and 4 deletions
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4
sdl1/pdcscrn.c
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@@ -384,6 +384,8 @@ int PDC_color_content(short color, short *red, short *green, short *blue)
int PDC_init_color(short color, short red, short green, short blue)
{
pdc_dirty = TRUE;
pdc_color[color].r = DIVROUND(red * 255, 1000);
pdc_color[color].g = DIVROUND(green * 255, 1000);
pdc_color[color].b = DIVROUND(blue * 255, 1000);
@@ -391,7 +393,5 @@ int PDC_init_color(short color, short red, short green, short blue)
pdc_mapped[color] = SDL_MapRGB(pdc_screen->format, pdc_color[color].r,
pdc_color[color].g, pdc_color[color].b);
wrefresh(curscr);
return OK;
}

1
sdl1/pdcsdl.h
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@@ -28,6 +28,7 @@ extern bool pdc_own_screen; /* if pdc_screen was not set
before initscr(), PDCurses is
responsible for (owns) it */
extern Uint32 pdc_lastupdate; /* time of last update, in ticks */
extern bool pdc_dirty; /* redraw on napms() after init_color() */
PDCEX void PDC_update_rects(void);
PDCEX void PDC_retile(void);

8
sdl1/pdcutil.c
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@@ -2,6 +2,8 @@
#include "pdcsdl.h"
bool pdc_dirty = FALSE;
void PDC_beep(void)
{
PDC_LOG(("PDC_beep() - called\n"));
@@ -11,6 +13,12 @@ void PDC_napms(int ms)
{
PDC_LOG(("PDC_napms() - called: ms=%d\n", ms));
if (pdc_dirty)
{
pdc_dirty = FALSE;
wrefresh(curscr);
}
PDC_update_rects();
SDL_PumpEvents();
SDL_Delay(ms);

4
sdl2/pdcscrn.c
View File

@@ -418,6 +418,8 @@ int PDC_color_content(short color, short *red, short *green, short *blue)
int PDC_init_color(short color, short red, short green, short blue)
{
pdc_dirty = TRUE;
pdc_color[color].r = DIVROUND(red * 255, 1000);
pdc_color[color].g = DIVROUND(green * 255, 1000);
pdc_color[color].b = DIVROUND(blue * 255, 1000);
@@ -425,7 +427,5 @@ int PDC_init_color(short color, short red, short green, short blue)
pdc_mapped[color] = SDL_MapRGB(pdc_screen->format, pdc_color[color].r,
pdc_color[color].g, pdc_color[color].b);
wrefresh(curscr);
return OK;
}

1
sdl2/pdcsdl.h
View File

@@ -29,6 +29,7 @@ extern bool pdc_own_window; /* if pdc_window was not set
before initscr(), PDCurses is
responsible for (owns) it */
extern Uint32 pdc_lastupdate; /* time of last update, in ticks */
extern bool pdc_dirty; /* redraw on napms() after init_color() */
PDCEX void PDC_update_rects(void);
PDCEX void PDC_retile(void);

8
sdl2/pdcutil.c
View File

@@ -2,6 +2,8 @@
#include "pdcsdl.h"
bool pdc_dirty = FALSE;
void PDC_beep(void)
{
PDC_LOG(("PDC_beep() - called\n"));
@@ -11,6 +13,12 @@ void PDC_napms(int ms)
{
PDC_LOG(("PDC_napms() - called: ms=%d\n", ms));
if (pdc_dirty)
{
pdc_dirty = FALSE;
wrefresh(curscr);
}
PDC_update_rects();
SDL_PumpEvents();
SDL_Delay(ms);