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Provides an intermediate refresh mode. You can activate it in sdlscreen.c

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git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@267 416bcca6-2ee7-4201-b75f-2eb2f807beb1
This commit is contained in:
Yves Rizoud 2008-10-15 23:33:25 +00:00
parent 9770d70f2a
commit c395578be8
1 changed files with 52 additions and 12 deletions
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64
sdlscreen.c
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@ -25,6 +25,7 @@
#include "sdlscreen.h"
#include "divers.h"
#include "erreurs.h"
#include "graph.h"
// Mise à jour minimaliste en nombre de pixels
#define METHODE_UPDATE_MULTI_RECTANGLE 1
@ -497,12 +498,40 @@ void Gere_Evenement_SDL(SDL_Event * event)
}
}
#if (METHODE_UPDATE == METHODE_UPDATE_PAR_CUMUL)
short Min_X=0;
short Min_Y=0;
short Max_X=10000;
short Max_Y=10000;
#endif
#if (METHODE_UPDATE == METHODE_UPDATE_PLEINE_PAGE)
int Update_necessaire=0;
#endif
void Flush_update(void)
{
#if (METHODE_UPDATE == METHODE_UPDATE_PLEINE_PAGE)
// Mise à jour de la totalité de l'écran
if (Update_necessaire)
{
SDL_UpdateRect(Ecran_SDL, 0, 0, 0, 0);
Update_necessaire=0;
}
#endif
#if (METHODE_UPDATE == METHODE_UPDATE_PAR_CUMUL)
if (Min_X>=Max_X || Min_Y>=Max_Y)
{
; // Rien a faire
}
else
{
SDL_UpdateRect(Ecran_SDL, Max(Min_X,0), Max(Min_Y,0), Min(Largeur_ecran, Max_X-Min_X), Min(Hauteur_ecran, Max_Y-Min_Y));
Min_X=Min_Y=10000;
Max_X=Max_Y=0;
}
#endif
}
@ -511,16 +540,27 @@ void UpdateRect(short X, short Y, unsigned short Largeur, unsigned short Hauteur
#if (METHODE_UPDATE == METHODE_UPDATE_MULTI_RECTANGLE)
SDL_UpdateRect(Ecran_SDL, (X), (Y), (Largeur), (Hauteur));
#endif
#if (METHODE_UPDATE == METHODE_UPDATE_PAR_CUMUL)
if (Largeur==0 || Hauteur==0)
{
Min_X=Min_Y=0;
Max_X=Max_Y=10000;
}
else
{
if (X < Min_X)
Min_X = X;
if (Y < Min_Y)
Min_Y = Y;
if (X+Largeur>Max_X)
Max_X=X+Largeur;
if (Y+Hauteur>Max_Y)
Max_Y=Y+Hauteur;
}
#endif
#if (METHODE_UPDATE == METHODE_UPDATE_PLEINE_PAGE)
Update_necessaire=1;
#endif
}
#if (METHODE_UPDATE == METHODE_UPDATE_MULTI_RECTANGLE)
#endif
#if (METHODE_UPDATE == METHODE_UPDATE_PAR_CUMUL)
#endif
#if (METHODE_UPDATE == METHODE_UPDATE_PLEINE_PAGE)
#endif