- Added SDL, libjpeg and libpng

- Added Android project and Java files
2011-04-23 19:25:48 +00:00
parent d48176e390
commit 4ed7f10def
571 changed files with 216345 additions and 0 deletions
@@ -0,0 +1,131 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_config.h"
+
+#ifdef SDL_TIMER_WINDOWS
+
+#include "../../core/windows/SDL_windows.h"
+#include <mmsystem.h>
+
+#include "SDL_timer.h"
+
+#ifdef _WIN32_WCE
+#error This is WinCE. Please use src/timer/wince/SDL_systimer.c instead.
+#endif
+
+#define TIME_WRAP_VALUE	(~(DWORD)0)
+
+/* The first (low-resolution) ticks value of the application */
+static DWORD start;
+
+#ifndef USE_GETTICKCOUNT
+/* Store if a high-resolution performance counter exists on the system */
+static BOOL hires_timer_available;
+/* The first high-resolution ticks value of the application */
+static LARGE_INTEGER hires_start_ticks;
+/* The number of ticks per second of the high-resolution performance counter */
+static LARGE_INTEGER hires_ticks_per_second;
+#endif
+
+void
+SDL_StartTicks(void)
+{
+    /* Set first ticks value */
+#ifdef USE_GETTICKCOUNT
+    start = GetTickCount();
+#else
+#if 0                           /* Apparently there are problems with QPC on Win2K */
+    if (QueryPerformanceFrequency(&hires_ticks_per_second) == TRUE) {
+        hires_timer_available = TRUE;
+        QueryPerformanceCounter(&hires_start_ticks);
+    } else
+#endif
+    {
+        hires_timer_available = FALSE;
+        timeBeginPeriod(1);     /* use 1 ms timer precision */
+        start = timeGetTime();
+    }
+#endif
+}
+
+Uint32
+SDL_GetTicks(void)
+{
+    DWORD now, ticks;
+#ifndef USE_GETTICKCOUNT
+    LARGE_INTEGER hires_now;
+#endif
+
+#ifdef USE_GETTICKCOUNT
+    now = GetTickCount();
+#else
+    if (hires_timer_available) {
+        QueryPerformanceCounter(&hires_now);
+
+        hires_now.QuadPart -= hires_start_ticks.QuadPart;
+        hires_now.QuadPart *= 1000;
+        hires_now.QuadPart /= hires_ticks_per_second.QuadPart;
+
+        return (DWORD) hires_now.QuadPart;
+    } else {
+        now = timeGetTime();
+    }
+#endif
+
+    if (now < start) {
+        ticks = (TIME_WRAP_VALUE - start) + now;
+    } else {
+        ticks = (now - start);
+    }
+    return (ticks);
+}
+
+Uint64
+SDL_GetPerformanceCounter(void)
+{
+    LARGE_INTEGER counter;
+
+    if (!QueryPerformanceCounter(&counter)) {
+        return SDL_GetTicks();
+    }
+    return counter.QuadPart;
+}
+
+Uint64
+SDL_GetPerformanceFrequency(void)
+{
+    LARGE_INTEGER frequency;
+
+    if (!QueryPerformanceFrequency(&frequency)) {
+        return 1000;
+    }
+    return frequency.QuadPart;
+}
+
+void
+SDL_Delay(Uint32 ms)
+{
+    Sleep(ms);
+}
+
+#endif /* SDL_TIMER_WINDOWS */
+
+/* vi: set ts=4 sw=4 expandtab: */