From ad8ffb96789f90180982b344540870a2d4e2d60b Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Thu, 31 May 2018 08:12:40 +0800
Subject: init

---
 3rdparty/SDL/src/video/photon/SDL_ph_modes.c | 390 +++++++++++++++++++++++++++
 1 file changed, 390 insertions(+)
 create mode 100644 3rdparty/SDL/src/video/photon/SDL_ph_modes.c

(limited to '3rdparty/SDL/src/video/photon/SDL_ph_modes.c')

diff --git a/3rdparty/SDL/src/video/photon/SDL_ph_modes.c b/3rdparty/SDL/src/video/photon/SDL_ph_modes.c
new file mode 100644
index 0000000..8c2bf7e
--- /dev/null
+++ b/3rdparty/SDL/src/video/photon/SDL_ph_modes.c
@@ -0,0 +1,390 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2012 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#include "SDL_ph_modes_c.h"
+
+static PgVideoModeInfo_t mode_info;
+static PgVideoModes_t mode_list;
+
+/* The current list of available video modes */
+SDL_Rect  SDL_modelist[PH_MAX_VIDEOMODES];
+SDL_Rect* SDL_modearray[PH_MAX_VIDEOMODES];
+
+static int compare_modes_by_res(const void* mode1, const void* mode2)
+{
+    PgVideoModeInfo_t mode1_info;
+    PgVideoModeInfo_t mode2_info;
+
+    if (PgGetVideoModeInfo(*(unsigned short*)mode1, &mode1_info) < 0)
+    {
+        return 0;
+    }
+
+    if (PgGetVideoModeInfo(*(unsigned short*)mode2, &mode2_info) < 0)
+    {
+        return 0;
+    }
+
+    if (mode1_info.width == mode2_info.width)
+    {
+        return mode2_info.height - mode1_info.height;
+    }
+    else
+    {
+        return mode2_info.width - mode1_info.width;
+    }
+}
+
+SDL_Rect **ph_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
+{
+    int i = 0;
+    int j = 0;
+    SDL_Rect Amodelist[PH_MAX_VIDEOMODES];
+
+    for (i=0; i<PH_MAX_VIDEOMODES; i++)
+    {
+        SDL_modearray[i]=&SDL_modelist[i];
+    }
+
+    if (PgGetVideoModeList(&mode_list) < 0)
+    {
+       SDL_SetError("ph_ListModes(): PgGetVideoModeList() function failed !\n");
+       return NULL;
+    }
+
+    mode_info.bits_per_pixel = 0;
+
+    for (i=0; i < mode_list.num_modes; i++) 
+    {
+        if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0)
+        {
+            SDL_SetError("ph_ListModes(): PgGetVideoModeInfo() function failed on mode: 0x%X.\n", mode_list.modes[i]);
+            return NULL;
+        }
+        if(mode_info.bits_per_pixel == format->BitsPerPixel)
+        {
+            Amodelist[j].w = mode_info.width;
+            Amodelist[j].h = mode_info.height;
+            Amodelist[j].x = 0;
+            Amodelist[j].y = 0;
+            j++;	
+        }
+    }
+	
+    /* reorder biggest for smallest, assume width dominates */
+
+    for(i=0; i<j; i++)
+    {
+        SDL_modelist[i].w = Amodelist[j - i - 1].w;
+        SDL_modelist[i].h = Amodelist[j - i - 1].h;
+        SDL_modelist[i].x = Amodelist[j - i - 1].x;
+        SDL_modelist[i].y = Amodelist[j - i - 1].y;
+    }
+    SDL_modearray[j]=NULL;
+	
+    return SDL_modearray;
+}
+
+void ph_FreeVideoModes(_THIS)
+{
+   return;
+}
+
+/* return the mode associated with width, height and bpp */
+/* if there is no mode then zero is returned             */
+int ph_GetVideoMode(int width, int height, int bpp)
+{
+    int i;
+    int modestage=0;
+    int closestmode=0;
+
+    if (PgGetVideoModeList(&mode_list) < 0)
+    {
+        return -1;
+    }
+
+    /* special case for the double-sized 320x200 mode */
+    if ((width==640) && (height==400))
+    {
+       modestage=1;
+    }
+
+    /* search list for exact match */
+    for (i=0; i<mode_list.num_modes; i++)
+    {
+        if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0)
+        {
+            return 0;
+        }
+
+        if ((mode_info.width == width) && (mode_info.height == height) && 
+            (mode_info.bits_per_pixel == bpp))
+        {
+            return mode_list.modes[i];
+        }
+        else
+        {
+           if ((modestage) && (mode_info.width == width) && (mode_info.height == height+80) && 
+               (mode_info.bits_per_pixel == bpp))
+           {
+              modestage=2;
+              closestmode=mode_list.modes[i];
+           }
+        }
+    }
+
+    /* if we are here, then no 640x400xbpp mode found and we'll emulate it via 640x480xbpp mode */
+    if (modestage==2)
+    {
+       return closestmode;
+    }
+
+    return (i == mode_list.num_modes) ? 0 : mode_list.modes[i];
+}
+
+/* return the mode associated with width, height and bpp               */
+/* if requested bpp is not found the mode with closest bpp is returned */
+int get_mode_any_format(int width, int height, int bpp)
+{
+    int i, closest, delta, min_delta;
+
+    if (PgGetVideoModeList(&mode_list) < 0)
+    {
+        return -1;
+    }
+
+    SDL_qsort(mode_list.modes, mode_list.num_modes, sizeof(unsigned short), compare_modes_by_res);
+
+    for(i=0;i<mode_list.num_modes;i++)
+    {
+        if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0)
+        {
+            return 0;
+        }
+        if ((mode_info.width == width) && (mode_info.height == height))
+        {
+           break;
+        }
+    }
+
+    if (i<mode_list.num_modes)
+    {
+        /* get closest bpp */
+        closest = i++;
+        if (mode_info.bits_per_pixel == bpp)
+        {
+            return mode_list.modes[closest];
+        }
+
+        min_delta = abs(mode_info.bits_per_pixel - bpp);
+
+        while(1)
+        {
+            if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0)
+            {
+                return 0;
+            }
+
+            if ((mode_info.width != width) || (mode_info.height != height))
+            {
+                break;
+            }
+            else
+            {
+                if (mode_info.bits_per_pixel == bpp)
+                {
+                    closest = i;
+                    break;
+                }
+                else
+                {
+                    delta = abs(mode_info.bits_per_pixel - bpp);
+                    if (delta < min_delta)
+                    {
+                        closest = i;
+                        min_delta = delta;
+                    }
+                    i++;
+                }
+            }
+        }
+        return mode_list.modes[closest];
+    }
+
+    return 0;
+}
+
+int ph_ToggleFullScreen(_THIS, int on)
+{
+    return -1;
+}
+
+int ph_EnterFullScreen(_THIS, SDL_Surface* screen, int fmode)
+{
+    PgDisplaySettings_t settings;
+    int mode;
+    char* refreshrate;
+    int refreshratenum;
+
+    if (!currently_fullscreen)
+    {
+        /* Get the video mode and set it */
+        if (screen->flags & SDL_ANYFORMAT)
+        {
+            if ((mode = get_mode_any_format(screen->w, screen->h, screen->format->BitsPerPixel)) == 0)
+            {
+                SDL_SetError("ph_EnterFullScreen(): can't find appropriate video mode !\n");
+                return 0;
+            }
+        }
+        else
+        {
+            if ((mode = ph_GetVideoMode(screen->w, screen->h, screen->format->BitsPerPixel)) == 0)
+            {
+                SDL_SetError("ph_EnterFullScreen(): can't find appropriate video mode !\n");
+                return 0;
+            }
+            if (PgGetVideoModeInfo(mode, &mode_info) < 0)
+            {
+                SDL_SetError("ph_EnterFullScreen(): can't get video mode capabilities !\n");
+                return 0;
+            }
+            if (mode_info.height != screen->h)
+            {
+               if ((mode_info.height==480) && (screen->h==400))
+               {
+                  videomode_emulatemode=1;
+               }
+            }
+            else
+            {
+               videomode_emulatemode=0;
+            }
+        }
+
+        /* save old video mode caps */
+        PgGetVideoMode(&settings);
+        old_video_mode=settings.mode;
+        old_refresh_rate=settings.refresh;
+
+        /* setup new video mode */
+        settings.mode = mode;
+        settings.refresh = 0;
+        settings.flags = 0;
+
+        refreshrate=SDL_getenv("SDL_PHOTON_FULLSCREEN_REFRESH");
+        if (refreshrate!=NULL)
+        {
+           if (SDL_sscanf(refreshrate, "%d", &refreshratenum)==1)
+           {
+               settings.refresh = refreshratenum;
+           }
+        }
+
+        if (PgSetVideoMode(&settings) < 0)
+        {
+            SDL_SetError("ph_EnterFullScreen(): PgSetVideoMode() call failed !\n");
+            return 0;
+        }
+
+        if (this->screen)
+        {
+            if ((this->screen->flags & SDL_OPENGL)==SDL_OPENGL)
+            {
+#if !SDL_VIDEO_OPENGL || (_NTO_VERSION < 630)
+                return 0; /* 6.3.0 */
+#endif
+            }
+        }
+
+        if (fmode==0)
+        {
+            if (OCImage.direct_context==NULL)
+            {
+                OCImage.direct_context=(PdDirectContext_t*)PdCreateDirectContext();
+                if (!OCImage.direct_context)
+                {
+                    SDL_SetError("ph_EnterFullScreen(): Can't create direct context !\n");
+                    ph_LeaveFullScreen(this);
+                    return 0;
+                }
+            }
+            OCImage.oldDC=PdDirectStart(OCImage.direct_context);
+        }
+
+        currently_fullscreen = 1;
+    }
+    PgFlush();
+
+    return 1;
+}
+
+int ph_LeaveFullScreen(_THIS)
+{
+    PgDisplaySettings_t oldmode_settings;
+       
+    if (currently_fullscreen)
+    {
+        if ((this->screen) && ((this->screen->flags & SDL_OPENGL)==SDL_OPENGL))
+        {
+#if !SDL_VIDEO_OPENGL || (_NTO_VERSION < 630)
+            return 0;
+#endif
+        }
+
+        /* release routines starts here */
+        {
+            if (OCImage.direct_context)
+            {
+                PdDirectStop(OCImage.direct_context);
+                PdReleaseDirectContext(OCImage.direct_context);
+                OCImage.direct_context=NULL;
+            }
+            if (OCImage.oldDC)
+            {
+                PhDCSetCurrent(OCImage.oldDC);
+                OCImage.oldDC=NULL;
+            }
+
+            currently_fullscreen=0;
+
+            /* Restore old video mode */
+            if (old_video_mode != -1)
+            {
+                oldmode_settings.mode = (unsigned short) old_video_mode;
+                oldmode_settings.refresh = (unsigned short) old_refresh_rate;
+                oldmode_settings.flags = 0;
+                
+                if (PgSetVideoMode(&oldmode_settings) < 0)
+                {
+                    SDL_SetError("Ph_LeaveFullScreen(): PgSetVideoMode() function failed !\n");
+                    return 0;
+                }
+            }
+
+            old_video_mode=-1;
+            old_refresh_rate=-1;
+        }
+    }
+    return 1;
+}
-- 
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