int lh_saveimage(lua_State *L) {
checkArg(L, 2, "saveimage");
Image *o = luaO(1, Image);
if(useGL(o)) screenshotGL(luaStr(2));
else SDL_SaveBMP(o->s, luaStr(2));
return 0;
}
int lh_getpixel(lua_State *L) {
checkArg(L, 3, "getpixel");
Image *srcI = luaO(1, Image);
int srcX = luaInt(2);
int srcY = luaInt(3);
#ifdef OPENGL
if(useGL(srcI)) return retInt(L, getpixelGL(srcX, srcY));
#endif
srcI->setLock(true);
int res = qpixel(srcI->s, srcX, srcY);
return retInt(L, res);
}
int lh_setpixel(lua_State *L) {
checkArg(L, 4, "setpixel");
Image *srcI = luaO(1, Image);
int srcX = luaInt(2);
int srcY = luaInt(3);
#ifdef OPENGL
if(useGL(srcI)) return 0;
#endif
srcI->setLock(true);
qpixel(srcI->s, srcX, srcY) = luaInt(4);
srcI->changes++;
return 0;
}
int lh_fillimage(lua_State *L) {
checkArg(L, 6, "fillimage");
SDL_Rect rect;
rect.x = luaInt(2);
rect.y = luaInt(3);
rect.w = luaInt(4);
rect.h = luaInt(5);
int col = luaInt(6);
Image *img = luaO(1,Image);
#ifdef OPENGL
if(useGL(img)) fillRectGL(rect.x, rect.y, rect.w, rect.h, col); else
#endif
SDL_FillRect(img->s, &rect, col);
img->changes++;
return 0;
}
static void testRetarget() {
int major, minor;
Display *disp1;
Window win1;
GLXContext ctx1;
Display *disp2;
Window win2;
GLXContext ctx2;
fprintf(stderr, "%s: Create #1\n", msg);
disp1 = XOpenDisplay(NULL);
createGLWin(disp1, 200, 200, &win1, &ctx1);
fprintf(stderr, "%s: Create #2\n", msg);
disp2 = disp1;
// disp2 = XOpenDisplay(NULL);
createGLWin(disp2, 300, 300, &win2, &ctx2);
fprintf(stderr, "%s: Use #1.1\n", msg);
useGL(disp1, win1, ctx1, 200, 200, 0.0f, 1); // OK
fprintf(stderr, "%s: Use #1.2\n", msg);
useGL(disp2, win2, ctx2, 300, 300, 1.0f, 1); // OK
usleep( demodelay );
fprintf(stderr, "%s: Retarget Drawable\n", msg);
{
Window _win = win2;
win2 = win1;
win1 = _win;
}
fprintf(stderr, "%s: Use #2.1\n", msg);
useGL(disp1, win1, ctx1, 200, 200, 0.0f, 0); // no setSwapInterval - OK
fprintf(stderr, "%s: Use #2.2\n", msg);
useGL(disp2, win2, ctx2, 300, 300, 1.0f, 0); // no setSwapInterval - OK
usleep( demodelay );
fprintf(stderr, "%s: Use #3.1\n", msg);
useGL(disp1, win1, ctx1, 200, 200, 0.1f, 1); // setSwapInterval - crash on Mesa 8.0.4 DRI2
fprintf(stderr, "%s: Use #3.2\n", msg);
useGL(disp2, win2, ctx2, 300, 300, 0.9f, 1); // setSwapInterval - crash on Mesa 8.0.4 DRI2
fprintf(stderr, "%s: Success - no bug\n", msg);
usleep( demodelay );
fprintf(stderr, "%s: Destroy #1.0\n", msg);
glXMakeContextCurrent(disp1, 0, 0, 0);
glXDestroyContext(disp1, ctx1);
if( disp1 != disp2 ) {
XCloseDisplay(disp1);
}
fprintf(stderr, "%s: Destroy #1.X\n", msg);
fprintf(stderr, "%s: Destroy #2.0\n", msg);
glXMakeContextCurrent(disp2, 0, 0, 0);
glXDestroyContext(disp2, ctx2);
XCloseDisplay(disp2);
fprintf(stderr, "%s: Destroy #2.X\n", msg);
fprintf(stderr, "%s: Exit - OK\n", msg);
}
void testOrder(int reverseDestroyOrder, const char * msg) {
int major, minor;
Display *disp1;
Window win1;
GLXContext ctx1;
Display *disp2;
Window win2;
GLXContext ctx2;
fprintf(stderr, "%s: Create #1\n", msg);
disp1 = XOpenDisplay(NULL);
XLOCKDISPLAY(disp1);
createGLWin(disp1, 200, 200, &win1, &ctx1);
useGL(disp1, win1, ctx1, 200, 200);
XUNLOCKDISPLAY(disp1);
fprintf(stderr, "%s: Create #2\n", msg);
disp2 = XOpenDisplay(NULL);
XLOCKDISPLAY(disp2);
createGLWin(disp2, 300, 300, &win2, &ctx2);
useGL(disp2, win2, ctx2, 300, 300);
XUNLOCKDISPLAY(disp2);
if(reverseDestroyOrder) {
fprintf(stderr, "%s: Destroy #2.0\n", msg);
XLOCKDISPLAY(disp2);
glXMakeCurrent(disp2, 0, 0);
glXDestroyContext(disp2, ctx2);
XUNLOCKDISPLAY(disp2);
XCloseDisplay(disp2);
fprintf(stderr, "%s: Destroy #2.X\n", msg);
fprintf(stderr, "%s: Destroy #1.0\n", msg);
XLOCKDISPLAY(disp1);
fprintf(stderr, "%s: Destroy #1.1\n", msg);
glXMakeCurrent(disp1, 0, 0);
fprintf(stderr, "%s: Destroy #1.2\n", msg);
glXDestroyContext(disp1, ctx1);
fprintf(stderr, "%s: Destroy #1.3\n", msg);
XUNLOCKDISPLAY(disp1);
fprintf(stderr, "%s: Destroy #1.4\n", msg);
XCloseDisplay(disp1);
fprintf(stderr, "%s: Destroy #1.X\n", msg);
} else {
fprintf(stderr, "%s: Destroy #1.0\n", msg);
XLOCKDISPLAY(disp1);
glXMakeCurrent(disp1, 0, 0);
glXDestroyContext(disp1, ctx1);
XUNLOCKDISPLAY(disp1);
XCloseDisplay(disp1);
fprintf(stderr, "%s: Destroy #1.X\n", msg);
fprintf(stderr, "%s: Destroy #2.0\n", msg);
XLOCKDISPLAY(disp2);
fprintf(stderr, "%s: Destroy #2.1\n", msg);
glXMakeCurrent(disp2, 0, 0);
fprintf(stderr, "%s: Destroy #2.2\n", msg);
glXDestroyContext(disp2, ctx2);
fprintf(stderr, "%s: Destroy #2.3\n", msg);
XUNLOCKDISPLAY(disp2);
fprintf(stderr, "%s: Destroy #2.4\n", msg);
XCloseDisplay(disp2);
fprintf(stderr, "%s: Destroy #2.X\n", msg);
}
fprintf(stderr, "%s: Success - no bug\n", msg);
}
