libretro/libretro-vecx
1
0
Fork 0
mirror of https://github.com/libretro/libretro-vecx.git synced 2024-11-23 16:09:53 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

add basic overlay support (sweet!)

Browse Source
This commit is contained in:
John Hawthorn 2013-02-03 19:33:53 -08:00
parent 7832e2a2ee
commit 71c262cbb5
2 changed files with 32 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Makefile
View File

@ -1,6 +1,6 @@
CFLAGS := -O3 -Wall -Wextra $(shell sdl-config --cflags)
LIBS := $(shell sdl-config --libs) -lSDL_gfx
LIBS := $(shell sdl-config --libs) -lSDL_gfx -lSDL_image
OBJECTS := e6809.o e8910.o osint.o vecx.o
TARGET := vecx
CLEANFILES := $(TARGET) $(OBJECTS)

37
osint.c
View File

@ -1,6 +1,8 @@
#include "SDL.h"
#include "SDL_image.h"
#include "SDL_gfxPrimitives.h"
#include "SDL_rotozoom.h"
#include "osint.h"
#include "e8910.h"
@ -9,9 +11,9 @@
#define EMU_TIMER 20 /* the emulators heart beats at 20 milliseconds */
static SDL_Surface *screen = NULL;
static SDL_Surface *overlay_original = NULL;
static SDL_Surface *overlay = NULL;
static long screenx;
static long screeny;
static long scl_factor;
static long offx;
static long offy;
@ -29,6 +31,10 @@ void osint_render(void){
offy + vectors_draw[v].y1 / scl_factor,
c, c, c, 0xff);
}
if(overlay){
SDL_Rect dest_rect = {offx, offy, 0, 0};
SDL_BlitSurface(overlay, NULL, screen, &dest_rect);
}
SDL_Flip(screen);
}
@ -62,8 +68,8 @@ static void init(){
void resize(int width, int height){
long sclx, scly;
screenx = width;
screeny = height;
long screenx = width;
long screeny = height;
screen = SDL_SetVideoMode(screenx, screeny, 0, SDL_SWSURFACE | SDL_RESIZABLE);
sclx = ALG_MAX_X / screen->w;
@ -73,6 +79,13 @@ void resize(int width, int height){
offx = (screenx - ALG_MAX_X / scl_factor) / 2;
offy = (screeny - ALG_MAX_Y / scl_factor) / 2;
if(overlay_original){
if(overlay)
SDL_FreeSurface(overlay);
double overlay_scale = ((double)ALG_MAX_X / (double)scl_factor) / (double)overlay_original->w;
overlay = zoomSurface(overlay_original, overlay_scale, overlay_scale, 0);
}
}
static void readevents(){
@ -80,7 +93,7 @@ static void readevents(){
while(SDL_PollEvent(&e)){
switch(e.type){
case SDL_QUIT:
exit(0);
exit(EXIT_SUCCESS);
break;
case SDL_VIDEORESIZE:
resize(e.resize.w, e.resize.h);
@ -88,7 +101,7 @@ static void readevents(){
case SDL_KEYDOWN:
switch(e.key.keysym.sym){
case SDLK_ESCAPE:
exit(0);
exit(EXIT_SUCCESS);
case SDLK_a:
snd_regs[14] &= ~0x01;
break;
@ -171,6 +184,16 @@ void osint_emuloop(){
}
}
void load_overlay(const char *filename){
SDL_Surface *image;
image = IMG_Load(filename);
if(image){
overlay_original = image;
}else{
fprintf(stderr, "IMG_Load: %s\n", IMG_GetError());
}
}
int main(int argc, char *argv[]){
if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) < 0){
fprintf(stderr, "Failed to initialize SDL: %s\n", SDL_GetError());
@ -181,6 +204,8 @@ int main(int argc, char *argv[]){
if(argc > 1)
cartfilename = argv[1];
if(argc > 2)
load_overlay(argv[2]);
init();