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-rw-r--r--distrib/sdl-1.2.15/src/video/windx5/SDL_dx5video.c2537
1 files changed, 2537 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/video/windx5/SDL_dx5video.c b/distrib/sdl-1.2.15/src/video/windx5/SDL_dx5video.c
new file mode 100644
index 0000000..f80ca97
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/video/windx5/SDL_dx5video.c
@@ -0,0 +1,2537 @@
+/*
+ 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 "directx.h"
+
+/* Not yet in the mingw32 cross-compile headers */
+#ifndef CDS_FULLSCREEN
+#define CDS_FULLSCREEN 4
+#endif
+
+#include "SDL_timer.h"
+#include "SDL_events.h"
+#include "SDL_syswm.h"
+#include "../SDL_sysvideo.h"
+#include "../SDL_blit.h"
+#include "../SDL_pixels_c.h"
+#include "SDL_dx5video.h"
+#include "../wincommon/SDL_syswm_c.h"
+#include "../wincommon/SDL_sysmouse_c.h"
+#include "SDL_dx5events_c.h"
+#include "SDL_dx5yuv_c.h"
+#include "../wincommon/SDL_wingl_c.h"
+
+#ifdef _WIN32_WCE
+#define NO_CHANGEDISPLAYSETTINGS
+#endif
+#ifndef WS_MAXIMIZE
+#define WS_MAXIMIZE 0
+#endif
+#ifndef SWP_NOCOPYBITS
+#define SWP_NOCOPYBITS 0
+#endif
+#ifndef PC_NOCOLLAPSE
+#define PC_NOCOLLAPSE 0
+#endif
+
+
+/* DirectX function pointers for video and events */
+HRESULT (WINAPI *DDrawCreate)( GUID FAR *lpGUID, LPDIRECTDRAW FAR *lplpDD, IUnknown FAR *pUnkOuter );
+HRESULT (WINAPI *DInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT *ppDI, LPUNKNOWN punkOuter);
+
+/* This is the rect EnumModes2 uses */
+struct DX5EnumRect {
+ SDL_Rect r;
+ int refreshRate;
+ struct DX5EnumRect* next;
+};
+static struct DX5EnumRect *enumlists[NUM_MODELISTS];
+
+/*
+ * Experimentally determined values for c_cfDI* constants used in DirectX 5.0
+ */
+
+/* Keyboard */
+
+static DIOBJECTDATAFORMAT KBD_fmt[] = {
+ { &GUID_Key, 0, 0x8000000C, 0x00000000 },
+ { &GUID_Key, 1, 0x8000010C, 0x00000000 },
+ { &GUID_Key, 2, 0x8000020C, 0x00000000 },
+ { &GUID_Key, 3, 0x8000030C, 0x00000000 },
+ { &GUID_Key, 4, 0x8000040C, 0x00000000 },
+ { &GUID_Key, 5, 0x8000050C, 0x00000000 },
+ { &GUID_Key, 6, 0x8000060C, 0x00000000 },
+ { &GUID_Key, 7, 0x8000070C, 0x00000000 },
+ { &GUID_Key, 8, 0x8000080C, 0x00000000 },
+ { &GUID_Key, 9, 0x8000090C, 0x00000000 },
+ { &GUID_Key, 10, 0x80000A0C, 0x00000000 },
+ { &GUID_Key, 11, 0x80000B0C, 0x00000000 },
+ { &GUID_Key, 12, 0x80000C0C, 0x00000000 },
+ { &GUID_Key, 13, 0x80000D0C, 0x00000000 },
+ { &GUID_Key, 14, 0x80000E0C, 0x00000000 },
+ { &GUID_Key, 15, 0x80000F0C, 0x00000000 },
+ { &GUID_Key, 16, 0x8000100C, 0x00000000 },
+ { &GUID_Key, 17, 0x8000110C, 0x00000000 },
+ { &GUID_Key, 18, 0x8000120C, 0x00000000 },
+ { &GUID_Key, 19, 0x8000130C, 0x00000000 },
+ { &GUID_Key, 20, 0x8000140C, 0x00000000 },
+ { &GUID_Key, 21, 0x8000150C, 0x00000000 },
+ { &GUID_Key, 22, 0x8000160C, 0x00000000 },
+ { &GUID_Key, 23, 0x8000170C, 0x00000000 },
+ { &GUID_Key, 24, 0x8000180C, 0x00000000 },
+ { &GUID_Key, 25, 0x8000190C, 0x00000000 },
+ { &GUID_Key, 26, 0x80001A0C, 0x00000000 },
+ { &GUID_Key, 27, 0x80001B0C, 0x00000000 },
+ { &GUID_Key, 28, 0x80001C0C, 0x00000000 },
+ { &GUID_Key, 29, 0x80001D0C, 0x00000000 },
+ { &GUID_Key, 30, 0x80001E0C, 0x00000000 },
+ { &GUID_Key, 31, 0x80001F0C, 0x00000000 },
+ { &GUID_Key, 32, 0x8000200C, 0x00000000 },
+ { &GUID_Key, 33, 0x8000210C, 0x00000000 },
+ { &GUID_Key, 34, 0x8000220C, 0x00000000 },
+ { &GUID_Key, 35, 0x8000230C, 0x00000000 },
+ { &GUID_Key, 36, 0x8000240C, 0x00000000 },
+ { &GUID_Key, 37, 0x8000250C, 0x00000000 },
+ { &GUID_Key, 38, 0x8000260C, 0x00000000 },
+ { &GUID_Key, 39, 0x8000270C, 0x00000000 },
+ { &GUID_Key, 40, 0x8000280C, 0x00000000 },
+ { &GUID_Key, 41, 0x8000290C, 0x00000000 },
+ { &GUID_Key, 42, 0x80002A0C, 0x00000000 },
+ { &GUID_Key, 43, 0x80002B0C, 0x00000000 },
+ { &GUID_Key, 44, 0x80002C0C, 0x00000000 },
+ { &GUID_Key, 45, 0x80002D0C, 0x00000000 },
+ { &GUID_Key, 46, 0x80002E0C, 0x00000000 },
+ { &GUID_Key, 47, 0x80002F0C, 0x00000000 },
+ { &GUID_Key, 48, 0x8000300C, 0x00000000 },
+ { &GUID_Key, 49, 0x8000310C, 0x00000000 },
+ { &GUID_Key, 50, 0x8000320C, 0x00000000 },
+ { &GUID_Key, 51, 0x8000330C, 0x00000000 },
+ { &GUID_Key, 52, 0x8000340C, 0x00000000 },
+ { &GUID_Key, 53, 0x8000350C, 0x00000000 },
+ { &GUID_Key, 54, 0x8000360C, 0x00000000 },
+ { &GUID_Key, 55, 0x8000370C, 0x00000000 },
+ { &GUID_Key, 56, 0x8000380C, 0x00000000 },
+ { &GUID_Key, 57, 0x8000390C, 0x00000000 },
+ { &GUID_Key, 58, 0x80003A0C, 0x00000000 },
+ { &GUID_Key, 59, 0x80003B0C, 0x00000000 },
+ { &GUID_Key, 60, 0x80003C0C, 0x00000000 },
+ { &GUID_Key, 61, 0x80003D0C, 0x00000000 },
+ { &GUID_Key, 62, 0x80003E0C, 0x00000000 },
+ { &GUID_Key, 63, 0x80003F0C, 0x00000000 },
+ { &GUID_Key, 64, 0x8000400C, 0x00000000 },
+ { &GUID_Key, 65, 0x8000410C, 0x00000000 },
+ { &GUID_Key, 66, 0x8000420C, 0x00000000 },
+ { &GUID_Key, 67, 0x8000430C, 0x00000000 },
+ { &GUID_Key, 68, 0x8000440C, 0x00000000 },
+ { &GUID_Key, 69, 0x8000450C, 0x00000000 },
+ { &GUID_Key, 70, 0x8000460C, 0x00000000 },
+ { &GUID_Key, 71, 0x8000470C, 0x00000000 },
+ { &GUID_Key, 72, 0x8000480C, 0x00000000 },
+ { &GUID_Key, 73, 0x8000490C, 0x00000000 },
+ { &GUID_Key, 74, 0x80004A0C, 0x00000000 },
+ { &GUID_Key, 75, 0x80004B0C, 0x00000000 },
+ { &GUID_Key, 76, 0x80004C0C, 0x00000000 },
+ { &GUID_Key, 77, 0x80004D0C, 0x00000000 },
+ { &GUID_Key, 78, 0x80004E0C, 0x00000000 },
+ { &GUID_Key, 79, 0x80004F0C, 0x00000000 },
+ { &GUID_Key, 80, 0x8000500C, 0x00000000 },
+ { &GUID_Key, 81, 0x8000510C, 0x00000000 },
+ { &GUID_Key, 82, 0x8000520C, 0x00000000 },
+ { &GUID_Key, 83, 0x8000530C, 0x00000000 },
+ { &GUID_Key, 84, 0x8000540C, 0x00000000 },
+ { &GUID_Key, 85, 0x8000550C, 0x00000000 },
+ { &GUID_Key, 86, 0x8000560C, 0x00000000 },
+ { &GUID_Key, 87, 0x8000570C, 0x00000000 },
+ { &GUID_Key, 88, 0x8000580C, 0x00000000 },
+ { &GUID_Key, 89, 0x8000590C, 0x00000000 },
+ { &GUID_Key, 90, 0x80005A0C, 0x00000000 },
+ { &GUID_Key, 91, 0x80005B0C, 0x00000000 },
+ { &GUID_Key, 92, 0x80005C0C, 0x00000000 },
+ { &GUID_Key, 93, 0x80005D0C, 0x00000000 },
+ { &GUID_Key, 94, 0x80005E0C, 0x00000000 },
+ { &GUID_Key, 95, 0x80005F0C, 0x00000000 },
+ { &GUID_Key, 96, 0x8000600C, 0x00000000 },
+ { &GUID_Key, 97, 0x8000610C, 0x00000000 },
+ { &GUID_Key, 98, 0x8000620C, 0x00000000 },
+ { &GUID_Key, 99, 0x8000630C, 0x00000000 },
+ { &GUID_Key, 100, 0x8000640C, 0x00000000 },
+ { &GUID_Key, 101, 0x8000650C, 0x00000000 },
+ { &GUID_Key, 102, 0x8000660C, 0x00000000 },
+ { &GUID_Key, 103, 0x8000670C, 0x00000000 },
+ { &GUID_Key, 104, 0x8000680C, 0x00000000 },
+ { &GUID_Key, 105, 0x8000690C, 0x00000000 },
+ { &GUID_Key, 106, 0x80006A0C, 0x00000000 },
+ { &GUID_Key, 107, 0x80006B0C, 0x00000000 },
+ { &GUID_Key, 108, 0x80006C0C, 0x00000000 },
+ { &GUID_Key, 109, 0x80006D0C, 0x00000000 },
+ { &GUID_Key, 110, 0x80006E0C, 0x00000000 },
+ { &GUID_Key, 111, 0x80006F0C, 0x00000000 },
+ { &GUID_Key, 112, 0x8000700C, 0x00000000 },
+ { &GUID_Key, 113, 0x8000710C, 0x00000000 },
+ { &GUID_Key, 114, 0x8000720C, 0x00000000 },
+ { &GUID_Key, 115, 0x8000730C, 0x00000000 },
+ { &GUID_Key, 116, 0x8000740C, 0x00000000 },
+ { &GUID_Key, 117, 0x8000750C, 0x00000000 },
+ { &GUID_Key, 118, 0x8000760C, 0x00000000 },
+ { &GUID_Key, 119, 0x8000770C, 0x00000000 },
+ { &GUID_Key, 120, 0x8000780C, 0x00000000 },
+ { &GUID_Key, 121, 0x8000790C, 0x00000000 },
+ { &GUID_Key, 122, 0x80007A0C, 0x00000000 },
+ { &GUID_Key, 123, 0x80007B0C, 0x00000000 },
+ { &GUID_Key, 124, 0x80007C0C, 0x00000000 },
+ { &GUID_Key, 125, 0x80007D0C, 0x00000000 },
+ { &GUID_Key, 126, 0x80007E0C, 0x00000000 },
+ { &GUID_Key, 127, 0x80007F0C, 0x00000000 },
+ { &GUID_Key, 128, 0x8000800C, 0x00000000 },
+ { &GUID_Key, 129, 0x8000810C, 0x00000000 },
+ { &GUID_Key, 130, 0x8000820C, 0x00000000 },
+ { &GUID_Key, 131, 0x8000830C, 0x00000000 },
+ { &GUID_Key, 132, 0x8000840C, 0x00000000 },
+ { &GUID_Key, 133, 0x8000850C, 0x00000000 },
+ { &GUID_Key, 134, 0x8000860C, 0x00000000 },
+ { &GUID_Key, 135, 0x8000870C, 0x00000000 },
+ { &GUID_Key, 136, 0x8000880C, 0x00000000 },
+ { &GUID_Key, 137, 0x8000890C, 0x00000000 },
+ { &GUID_Key, 138, 0x80008A0C, 0x00000000 },
+ { &GUID_Key, 139, 0x80008B0C, 0x00000000 },
+ { &GUID_Key, 140, 0x80008C0C, 0x00000000 },
+ { &GUID_Key, 141, 0x80008D0C, 0x00000000 },
+ { &GUID_Key, 142, 0x80008E0C, 0x00000000 },
+ { &GUID_Key, 143, 0x80008F0C, 0x00000000 },
+ { &GUID_Key, 144, 0x8000900C, 0x00000000 },
+ { &GUID_Key, 145, 0x8000910C, 0x00000000 },
+ { &GUID_Key, 146, 0x8000920C, 0x00000000 },
+ { &GUID_Key, 147, 0x8000930C, 0x00000000 },
+ { &GUID_Key, 148, 0x8000940C, 0x00000000 },
+ { &GUID_Key, 149, 0x8000950C, 0x00000000 },
+ { &GUID_Key, 150, 0x8000960C, 0x00000000 },
+ { &GUID_Key, 151, 0x8000970C, 0x00000000 },
+ { &GUID_Key, 152, 0x8000980C, 0x00000000 },
+ { &GUID_Key, 153, 0x8000990C, 0x00000000 },
+ { &GUID_Key, 154, 0x80009A0C, 0x00000000 },
+ { &GUID_Key, 155, 0x80009B0C, 0x00000000 },
+ { &GUID_Key, 156, 0x80009C0C, 0x00000000 },
+ { &GUID_Key, 157, 0x80009D0C, 0x00000000 },
+ { &GUID_Key, 158, 0x80009E0C, 0x00000000 },
+ { &GUID_Key, 159, 0x80009F0C, 0x00000000 },
+ { &GUID_Key, 160, 0x8000A00C, 0x00000000 },
+ { &GUID_Key, 161, 0x8000A10C, 0x00000000 },
+ { &GUID_Key, 162, 0x8000A20C, 0x00000000 },
+ { &GUID_Key, 163, 0x8000A30C, 0x00000000 },
+ { &GUID_Key, 164, 0x8000A40C, 0x00000000 },
+ { &GUID_Key, 165, 0x8000A50C, 0x00000000 },
+ { &GUID_Key, 166, 0x8000A60C, 0x00000000 },
+ { &GUID_Key, 167, 0x8000A70C, 0x00000000 },
+ { &GUID_Key, 168, 0x8000A80C, 0x00000000 },
+ { &GUID_Key, 169, 0x8000A90C, 0x00000000 },
+ { &GUID_Key, 170, 0x8000AA0C, 0x00000000 },
+ { &GUID_Key, 171, 0x8000AB0C, 0x00000000 },
+ { &GUID_Key, 172, 0x8000AC0C, 0x00000000 },
+ { &GUID_Key, 173, 0x8000AD0C, 0x00000000 },
+ { &GUID_Key, 174, 0x8000AE0C, 0x00000000 },
+ { &GUID_Key, 175, 0x8000AF0C, 0x00000000 },
+ { &GUID_Key, 176, 0x8000B00C, 0x00000000 },
+ { &GUID_Key, 177, 0x8000B10C, 0x00000000 },
+ { &GUID_Key, 178, 0x8000B20C, 0x00000000 },
+ { &GUID_Key, 179, 0x8000B30C, 0x00000000 },
+ { &GUID_Key, 180, 0x8000B40C, 0x00000000 },
+ { &GUID_Key, 181, 0x8000B50C, 0x00000000 },
+ { &GUID_Key, 182, 0x8000B60C, 0x00000000 },
+ { &GUID_Key, 183, 0x8000B70C, 0x00000000 },
+ { &GUID_Key, 184, 0x8000B80C, 0x00000000 },
+ { &GUID_Key, 185, 0x8000B90C, 0x00000000 },
+ { &GUID_Key, 186, 0x8000BA0C, 0x00000000 },
+ { &GUID_Key, 187, 0x8000BB0C, 0x00000000 },
+ { &GUID_Key, 188, 0x8000BC0C, 0x00000000 },
+ { &GUID_Key, 189, 0x8000BD0C, 0x00000000 },
+ { &GUID_Key, 190, 0x8000BE0C, 0x00000000 },
+ { &GUID_Key, 191, 0x8000BF0C, 0x00000000 },
+ { &GUID_Key, 192, 0x8000C00C, 0x00000000 },
+ { &GUID_Key, 193, 0x8000C10C, 0x00000000 },
+ { &GUID_Key, 194, 0x8000C20C, 0x00000000 },
+ { &GUID_Key, 195, 0x8000C30C, 0x00000000 },
+ { &GUID_Key, 196, 0x8000C40C, 0x00000000 },
+ { &GUID_Key, 197, 0x8000C50C, 0x00000000 },
+ { &GUID_Key, 198, 0x8000C60C, 0x00000000 },
+ { &GUID_Key, 199, 0x8000C70C, 0x00000000 },
+ { &GUID_Key, 200, 0x8000C80C, 0x00000000 },
+ { &GUID_Key, 201, 0x8000C90C, 0x00000000 },
+ { &GUID_Key, 202, 0x8000CA0C, 0x00000000 },
+ { &GUID_Key, 203, 0x8000CB0C, 0x00000000 },
+ { &GUID_Key, 204, 0x8000CC0C, 0x00000000 },
+ { &GUID_Key, 205, 0x8000CD0C, 0x00000000 },
+ { &GUID_Key, 206, 0x8000CE0C, 0x00000000 },
+ { &GUID_Key, 207, 0x8000CF0C, 0x00000000 },
+ { &GUID_Key, 208, 0x8000D00C, 0x00000000 },
+ { &GUID_Key, 209, 0x8000D10C, 0x00000000 },
+ { &GUID_Key, 210, 0x8000D20C, 0x00000000 },
+ { &GUID_Key, 211, 0x8000D30C, 0x00000000 },
+ { &GUID_Key, 212, 0x8000D40C, 0x00000000 },
+ { &GUID_Key, 213, 0x8000D50C, 0x00000000 },
+ { &GUID_Key, 214, 0x8000D60C, 0x00000000 },
+ { &GUID_Key, 215, 0x8000D70C, 0x00000000 },
+ { &GUID_Key, 216, 0x8000D80C, 0x00000000 },
+ { &GUID_Key, 217, 0x8000D90C, 0x00000000 },
+ { &GUID_Key, 218, 0x8000DA0C, 0x00000000 },
+ { &GUID_Key, 219, 0x8000DB0C, 0x00000000 },
+ { &GUID_Key, 220, 0x8000DC0C, 0x00000000 },
+ { &GUID_Key, 221, 0x8000DD0C, 0x00000000 },
+ { &GUID_Key, 222, 0x8000DE0C, 0x00000000 },
+ { &GUID_Key, 223, 0x8000DF0C, 0x00000000 },
+ { &GUID_Key, 224, 0x8000E00C, 0x00000000 },
+ { &GUID_Key, 225, 0x8000E10C, 0x00000000 },
+ { &GUID_Key, 226, 0x8000E20C, 0x00000000 },
+ { &GUID_Key, 227, 0x8000E30C, 0x00000000 },
+ { &GUID_Key, 228, 0x8000E40C, 0x00000000 },
+ { &GUID_Key, 229, 0x8000E50C, 0x00000000 },
+ { &GUID_Key, 230, 0x8000E60C, 0x00000000 },
+ { &GUID_Key, 231, 0x8000E70C, 0x00000000 },
+ { &GUID_Key, 232, 0x8000E80C, 0x00000000 },
+ { &GUID_Key, 233, 0x8000E90C, 0x00000000 },
+ { &GUID_Key, 234, 0x8000EA0C, 0x00000000 },
+ { &GUID_Key, 235, 0x8000EB0C, 0x00000000 },
+ { &GUID_Key, 236, 0x8000EC0C, 0x00000000 },
+ { &GUID_Key, 237, 0x8000ED0C, 0x00000000 },
+ { &GUID_Key, 238, 0x8000EE0C, 0x00000000 },
+ { &GUID_Key, 239, 0x8000EF0C, 0x00000000 },
+ { &GUID_Key, 240, 0x8000F00C, 0x00000000 },
+ { &GUID_Key, 241, 0x8000F10C, 0x00000000 },
+ { &GUID_Key, 242, 0x8000F20C, 0x00000000 },
+ { &GUID_Key, 243, 0x8000F30C, 0x00000000 },
+ { &GUID_Key, 244, 0x8000F40C, 0x00000000 },
+ { &GUID_Key, 245, 0x8000F50C, 0x00000000 },
+ { &GUID_Key, 246, 0x8000F60C, 0x00000000 },
+ { &GUID_Key, 247, 0x8000F70C, 0x00000000 },
+ { &GUID_Key, 248, 0x8000F80C, 0x00000000 },
+ { &GUID_Key, 249, 0x8000F90C, 0x00000000 },
+ { &GUID_Key, 250, 0x8000FA0C, 0x00000000 },
+ { &GUID_Key, 251, 0x8000FB0C, 0x00000000 },
+ { &GUID_Key, 252, 0x8000FC0C, 0x00000000 },
+ { &GUID_Key, 253, 0x8000FD0C, 0x00000000 },
+ { &GUID_Key, 254, 0x8000FE0C, 0x00000000 },
+ { &GUID_Key, 255, 0x8000FF0C, 0x00000000 },
+};
+
+const DIDATAFORMAT c_dfDIKeyboard = { sizeof(DIDATAFORMAT), sizeof(DIOBJECTDATAFORMAT), 0x00000002, 256, 256, KBD_fmt };
+
+
+/* Mouse */
+
+static DIOBJECTDATAFORMAT PTR_fmt[] = {
+ { &GUID_XAxis, 0, 0x00FFFF03, 0x00000000 },
+ { &GUID_YAxis, 4, 0x00FFFF03, 0x00000000 },
+ { &GUID_ZAxis, 8, 0x80FFFF03, 0x00000000 },
+ { NULL, 12, 0x00FFFF0C, 0x00000000 },
+ { NULL, 13, 0x00FFFF0C, 0x00000000 },
+ { NULL, 14, 0x80FFFF0C, 0x00000000 },
+ { NULL, 15, 0x80FFFF0C, 0x00000000 },
+};
+
+const DIDATAFORMAT c_dfDIMouse = { sizeof(DIDATAFORMAT), sizeof(DIOBJECTDATAFORMAT), 0x00000002, 16, 7, PTR_fmt };
+
+static DIOBJECTDATAFORMAT PTR2_fmt[] = {
+ { &GUID_XAxis, 0, 0x00FFFF03, 0x00000000 },
+ { &GUID_YAxis, 4, 0x00FFFF03, 0x00000000 },
+ { &GUID_ZAxis, 8, 0x80FFFF03, 0x00000000 },
+ { NULL, 12, 0x00FFFF0C, 0x00000000 },
+ { NULL, 13, 0x00FFFF0C, 0x00000000 },
+ { NULL, 14, 0x80FFFF0C, 0x00000000 },
+ { NULL, 15, 0x80FFFF0C, 0x00000000 },
+ { NULL, 16, 0x80FFFF0C, 0x00000000 },
+ { NULL, 17, 0x80FFFF0C, 0x00000000 },
+ { NULL, 18, 0x80FFFF0C, 0x00000000 },
+ { NULL, 19, 0x80FFFF0C, 0x00000000 }
+};
+
+const DIDATAFORMAT c_dfDIMouse2 = { sizeof(DIDATAFORMAT), sizeof(DIOBJECTDATAFORMAT), 0x00000002, 20, 11, PTR2_fmt };
+
+
+/* Joystick */
+
+static DIOBJECTDATAFORMAT JOY_fmt[] = {
+ { &GUID_XAxis, 0, 0x80FFFF03, 0x00000100 },
+ { &GUID_YAxis, 4, 0x80FFFF03, 0x00000100 },
+ { &GUID_ZAxis, 8, 0x80FFFF03, 0x00000100 },
+ { &GUID_RxAxis, 12, 0x80FFFF03, 0x00000100 },
+ { &GUID_RyAxis, 16, 0x80FFFF03, 0x00000100 },
+ { &GUID_RzAxis, 20, 0x80FFFF03, 0x00000100 },
+ { &GUID_Slider, 24, 0x80FFFF03, 0x00000100 },
+ { &GUID_Slider, 28, 0x80FFFF03, 0x00000100 },
+ { &GUID_POV, 32, 0x80FFFF10, 0x00000000 },
+ { &GUID_POV, 36, 0x80FFFF10, 0x00000000 },
+ { &GUID_POV, 40, 0x80FFFF10, 0x00000000 },
+ { &GUID_POV, 44, 0x80FFFF10, 0x00000000 },
+ { NULL, 48, 0x80FFFF0C, 0x00000000 },
+ { NULL, 49, 0x80FFFF0C, 0x00000000 },
+ { NULL, 50, 0x80FFFF0C, 0x00000000 },
+ { NULL, 51, 0x80FFFF0C, 0x00000000 },
+ { NULL, 52, 0x80FFFF0C, 0x00000000 },
+ { NULL, 53, 0x80FFFF0C, 0x00000000 },
+ { NULL, 54, 0x80FFFF0C, 0x00000000 },
+ { NULL, 55, 0x80FFFF0C, 0x00000000 },
+ { NULL, 56, 0x80FFFF0C, 0x00000000 },
+ { NULL, 57, 0x80FFFF0C, 0x00000000 },
+ { NULL, 58, 0x80FFFF0C, 0x00000000 },
+ { NULL, 59, 0x80FFFF0C, 0x00000000 },
+ { NULL, 60, 0x80FFFF0C, 0x00000000 },
+ { NULL, 61, 0x80FFFF0C, 0x00000000 },
+ { NULL, 62, 0x80FFFF0C, 0x00000000 },
+ { NULL, 63, 0x80FFFF0C, 0x00000000 },
+ { NULL, 64, 0x80FFFF0C, 0x00000000 },
+ { NULL, 65, 0x80FFFF0C, 0x00000000 },
+ { NULL, 66, 0x80FFFF0C, 0x00000000 },
+ { NULL, 67, 0x80FFFF0C, 0x00000000 },
+ { NULL, 68, 0x80FFFF0C, 0x00000000 },
+ { NULL, 69, 0x80FFFF0C, 0x00000000 },
+ { NULL, 70, 0x80FFFF0C, 0x00000000 },
+ { NULL, 71, 0x80FFFF0C, 0x00000000 },
+ { NULL, 72, 0x80FFFF0C, 0x00000000 },
+ { NULL, 73, 0x80FFFF0C, 0x00000000 },
+ { NULL, 74, 0x80FFFF0C, 0x00000000 },
+ { NULL, 75, 0x80FFFF0C, 0x00000000 },
+ { NULL, 76, 0x80FFFF0C, 0x00000000 },
+ { NULL, 77, 0x80FFFF0C, 0x00000000 },
+ { NULL, 78, 0x80FFFF0C, 0x00000000 },
+ { NULL, 79, 0x80FFFF0C, 0x00000000 },
+};
+
+const DIDATAFORMAT c_dfDIJoystick = { sizeof(DIDATAFORMAT), sizeof(DIOBJECTDATAFORMAT), 0x00000001, 80, 44, JOY_fmt };
+
+
+/* Initialization/Query functions */
+static int DX5_VideoInit(_THIS, SDL_PixelFormat *vformat);
+static SDL_Rect **DX5_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
+static SDL_Surface *DX5_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
+static int DX5_SetColors(_THIS, int firstcolor, int ncolors,
+ SDL_Color *colors);
+static int DX5_SetGammaRamp(_THIS, Uint16 *ramp);
+static int DX5_GetGammaRamp(_THIS, Uint16 *ramp);
+static void DX5_VideoQuit(_THIS);
+
+/* Hardware surface functions */
+static int DX5_AllocHWSurface(_THIS, SDL_Surface *surface);
+static int DX5_CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dst);
+static int DX5_FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *dstrect, Uint32 color);
+static int DX5_SetHWColorKey(_THIS, SDL_Surface *surface, Uint32 key);
+static int DX5_SetHWAlpha(_THIS, SDL_Surface *surface, Uint8 alpha);
+static int DX5_LockHWSurface(_THIS, SDL_Surface *surface);
+static void DX5_UnlockHWSurface(_THIS, SDL_Surface *surface);
+static int DX5_FlipHWSurface(_THIS, SDL_Surface *surface);
+static void DX5_FreeHWSurface(_THIS, SDL_Surface *surface);
+
+static int DX5_AllocDDSurface(_THIS, SDL_Surface *surface,
+ LPDIRECTDRAWSURFACE3 requested, Uint32 flag);
+
+/* Windows message handling functions */
+static void DX5_Activate(_THIS, BOOL active, BOOL minimized);
+static void DX5_RealizePalette(_THIS);
+static void DX5_PaletteChanged(_THIS, HWND window);
+static void DX5_WinPAINT(_THIS, HDC hdc);
+
+/* WinDIB driver functions for manipulating gamma ramps */
+extern int DIB_SetGammaRamp(_THIS, Uint16 *ramp);
+extern int DIB_GetGammaRamp(_THIS, Uint16 *ramp);
+extern void DIB_QuitGamma(_THIS);
+
+/* DX5 driver bootstrap functions */
+
+static int DX5_Available(void)
+{
+ HINSTANCE DInputDLL;
+ HINSTANCE DDrawDLL;
+ int dinput_ok;
+ int ddraw_ok;
+
+ /* Version check DINPUT.DLL and DDRAW.DLL (Is DirectX okay?) */
+ dinput_ok = 0;
+ DInputDLL = LoadLibrary(TEXT("DINPUT.DLL"));
+ if ( DInputDLL != NULL ) {
+ dinput_ok = 1;
+ FreeLibrary(DInputDLL);
+ }
+ ddraw_ok = 0;
+ DDrawDLL = LoadLibrary(TEXT("DDRAW.DLL"));
+ if ( DDrawDLL != NULL ) {
+ HRESULT (WINAPI *DDrawCreate)(GUID *,LPDIRECTDRAW *,IUnknown *);
+ LPDIRECTDRAW DDraw;
+
+ /* Try to create a valid DirectDraw object */
+ DDrawCreate = (void *)GetProcAddress(DDrawDLL, TEXT("DirectDrawCreate"));
+ if ( (DDrawCreate != NULL)
+ && !FAILED(DDrawCreate(NULL, &DDraw, NULL)) ) {
+ if ( !FAILED(IDirectDraw_SetCooperativeLevel(DDraw,
+ NULL, DDSCL_NORMAL)) ) {
+ DDSURFACEDESC desc;
+ LPDIRECTDRAWSURFACE DDrawSurf;
+ LPDIRECTDRAWSURFACE3 DDrawSurf3;
+
+ /* Try to create a DirectDrawSurface3 object */
+ SDL_memset(&desc, 0, sizeof(desc));
+ desc.dwSize = sizeof(desc);
+ desc.dwFlags = DDSD_CAPS;
+ desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE|DDSCAPS_VIDEOMEMORY;
+ if ( !FAILED(IDirectDraw_CreateSurface(DDraw, &desc,
+ &DDrawSurf, NULL)) ) {
+ if ( !FAILED(IDirectDrawSurface_QueryInterface(DDrawSurf,
+ &IID_IDirectDrawSurface3, (LPVOID *)&DDrawSurf3)) ) {
+ /* Yay! */
+ ddraw_ok = 1;
+
+ /* Clean up.. */
+ IDirectDrawSurface3_Release(DDrawSurf3);
+ }
+ IDirectDrawSurface_Release(DDrawSurf);
+ }
+ }
+ IDirectDraw_Release(DDraw);
+ }
+ FreeLibrary(DDrawDLL);
+ }
+ return(dinput_ok && ddraw_ok);
+}
+
+/* Functions for loading the DirectX functions dynamically */
+static HINSTANCE DDrawDLL = NULL;
+static HINSTANCE DInputDLL = NULL;
+
+static void DX5_Unload(void)
+{
+ if ( DDrawDLL != NULL ) {
+ FreeLibrary(DDrawDLL);
+ DDrawCreate = NULL;
+ DDrawDLL = NULL;
+ }
+ if ( DInputDLL != NULL ) {
+ FreeLibrary(DInputDLL);
+ DInputCreate = NULL;
+ DInputDLL = NULL;
+ }
+}
+static int DX5_Load(void)
+{
+ int status;
+
+ DX5_Unload();
+ DDrawDLL = LoadLibrary(TEXT("DDRAW.DLL"));
+ if ( DDrawDLL != NULL ) {
+ DDrawCreate = (void *)GetProcAddress(DDrawDLL,
+ TEXT("DirectDrawCreate"));
+ }
+ DInputDLL = LoadLibrary(TEXT("DINPUT.DLL"));
+ if ( DInputDLL != NULL ) {
+ DInputCreate = (void *)GetProcAddress(DInputDLL,
+ TEXT("DirectInputCreateA"));
+ }
+ if ( DDrawDLL && DDrawCreate && DInputDLL && DInputCreate ) {
+ status = 0;
+ } else {
+ DX5_Unload();
+ status = -1;
+ }
+ return status;
+}
+
+static void DX5_DeleteDevice(SDL_VideoDevice *this)
+{
+ /* Free DirectDraw object */
+ if ( ddraw2 != NULL ) {
+ IDirectDraw2_Release(ddraw2);
+ }
+ DX5_Unload();
+ if ( this ) {
+ if ( this->hidden ) {
+ SDL_free(this->hidden);
+ }
+ if ( this->gl_data ) {
+ SDL_free(this->gl_data);
+ }
+ SDL_free(this);
+ }
+}
+
+static SDL_VideoDevice *DX5_CreateDevice(int devindex)
+{
+ SDL_VideoDevice *device;
+
+ /* Load DirectX */
+ if ( DX5_Load() < 0 ) {
+ return(NULL);
+ }
+
+ /* Initialize all variables that we clean on shutdown */
+ device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice));
+ if ( device ) {
+ SDL_memset(device, 0, (sizeof *device));
+ device->hidden = (struct SDL_PrivateVideoData *)
+ SDL_malloc((sizeof *device->hidden));
+ device->gl_data = (struct SDL_PrivateGLData *)
+ SDL_malloc((sizeof *device->gl_data));
+ }
+ if ( (device == NULL) || (device->hidden == NULL) ||
+ (device->gl_data == NULL) ) {
+ SDL_OutOfMemory();
+ DX5_DeleteDevice(device);
+ return(NULL);
+ }
+ SDL_memset(device->hidden, 0, (sizeof *device->hidden));
+ SDL_memset(device->gl_data, 0, (sizeof *device->gl_data));
+
+ /* Set the function pointers */
+ device->VideoInit = DX5_VideoInit;
+ device->ListModes = DX5_ListModes;
+ device->SetVideoMode = DX5_SetVideoMode;
+ device->UpdateMouse = WIN_UpdateMouse;
+ device->CreateYUVOverlay = DX5_CreateYUVOverlay;
+ device->SetColors = DX5_SetColors;
+ device->UpdateRects = NULL;
+ device->VideoQuit = DX5_VideoQuit;
+ device->AllocHWSurface = DX5_AllocHWSurface;
+ device->CheckHWBlit = DX5_CheckHWBlit;
+ device->FillHWRect = DX5_FillHWRect;
+ device->SetHWColorKey = DX5_SetHWColorKey;
+ device->SetHWAlpha = DX5_SetHWAlpha;
+ device->LockHWSurface = DX5_LockHWSurface;
+ device->UnlockHWSurface = DX5_UnlockHWSurface;
+ device->FlipHWSurface = DX5_FlipHWSurface;
+ device->FreeHWSurface = DX5_FreeHWSurface;
+ device->SetGammaRamp = DX5_SetGammaRamp;
+ device->GetGammaRamp = DX5_GetGammaRamp;
+#if SDL_VIDEO_OPENGL
+ device->GL_LoadLibrary = WIN_GL_LoadLibrary;
+ device->GL_GetProcAddress = WIN_GL_GetProcAddress;
+ device->GL_GetAttribute = WIN_GL_GetAttribute;
+ device->GL_MakeCurrent = WIN_GL_MakeCurrent;
+ device->GL_SwapBuffers = WIN_GL_SwapBuffers;
+#endif
+ device->SetCaption = WIN_SetWMCaption;
+ device->SetIcon = WIN_SetWMIcon;
+ device->IconifyWindow = WIN_IconifyWindow;
+ device->GrabInput = WIN_GrabInput;
+ device->GetWMInfo = WIN_GetWMInfo;
+ device->FreeWMCursor = WIN_FreeWMCursor;
+ device->CreateWMCursor = WIN_CreateWMCursor;
+ device->ShowWMCursor = WIN_ShowWMCursor;
+ device->WarpWMCursor = WIN_WarpWMCursor;
+ device->CheckMouseMode = WIN_CheckMouseMode;
+ device->InitOSKeymap = DX5_InitOSKeymap;
+ device->PumpEvents = DX5_PumpEvents;
+
+ /* Set up the windows message handling functions */
+ WIN_Activate = DX5_Activate;
+ WIN_RealizePalette = DX5_RealizePalette;
+ WIN_PaletteChanged = DX5_PaletteChanged;
+ WIN_WinPAINT = DX5_WinPAINT;
+ HandleMessage = DX5_HandleMessage;
+
+ device->free = DX5_DeleteDevice;
+
+ /* We're finally ready */
+ return device;
+}
+
+VideoBootStrap DIRECTX_bootstrap = {
+ "directx", "Win95/98/2000 DirectX",
+ DX5_Available, DX5_CreateDevice
+};
+
+static int cmpmodes(const void *va, const void *vb)
+{
+ SDL_Rect *a = *(SDL_Rect **)va;
+ SDL_Rect *b = *(SDL_Rect **)vb;
+ if ( a->w == b->w )
+ return b->h - a->h;
+ else
+ return b->w - a->w;
+}
+
+static HRESULT WINAPI EnumModes2(DDSURFACEDESC *desc, VOID *udata)
+{
+ SDL_VideoDevice *this = (SDL_VideoDevice *)udata;
+ struct DX5EnumRect *enumrect;
+#if defined(NONAMELESSUNION)
+ int bpp = desc->ddpfPixelFormat.u1.dwRGBBitCount;
+ int refreshRate = desc->u2.dwRefreshRate;
+#else
+ int bpp = desc->ddpfPixelFormat.dwRGBBitCount;
+ int refreshRate = desc->dwRefreshRate;
+#endif
+ int maxRefreshRate;
+
+ if ( desc->dwWidth <= SDL_desktop_mode.dmPelsWidth &&
+ desc->dwHeight <= SDL_desktop_mode.dmPelsHeight ) {
+ maxRefreshRate = SDL_desktop_mode.dmDisplayFrequency;
+ } else {
+ maxRefreshRate = 85; /* safe value? */
+ }
+
+ switch (bpp) {
+ case 8:
+ case 16:
+ case 24:
+ case 32:
+ bpp /= 8; --bpp;
+ if ( enumlists[bpp] &&
+ enumlists[bpp]->r.w == (Uint16)desc->dwWidth &&
+ enumlists[bpp]->r.h == (Uint16)desc->dwHeight ) {
+ if ( refreshRate > enumlists[bpp]->refreshRate &&
+ refreshRate <= maxRefreshRate ) {
+ enumlists[bpp]->refreshRate = refreshRate;
+#ifdef DDRAW_DEBUG
+ fprintf(stderr, "New refresh rate for %d bpp: %dx%d at %d Hz\n", (bpp+1)*8, (int)desc->dwWidth, (int)desc->dwHeight, refreshRate);
+#endif
+ }
+ break;
+ }
+ ++SDL_nummodes[bpp];
+ enumrect = (struct DX5EnumRect*)SDL_malloc(sizeof(struct DX5EnumRect));
+ if ( !enumrect ) {
+ SDL_OutOfMemory();
+ return(DDENUMRET_CANCEL);
+ }
+ enumrect->refreshRate = refreshRate;
+ enumrect->r.x = 0;
+ enumrect->r.y = 0;
+ enumrect->r.w = (Uint16)desc->dwWidth;
+ enumrect->r.h = (Uint16)desc->dwHeight;
+ enumrect->next = enumlists[bpp];
+ enumlists[bpp] = enumrect;
+#ifdef DDRAW_DEBUG
+ fprintf(stderr, "New mode for %d bpp: %dx%d at %d Hz\n", (bpp+1)*8, (int)desc->dwWidth, (int)desc->dwHeight, refreshRate);
+#endif
+ break;
+ }
+
+ return(DDENUMRET_OK);
+}
+
+void SetDDerror(const char *function, int code)
+{
+ static char *error;
+ static char errbuf[1024];
+
+ errbuf[0] = 0;
+ switch (code) {
+ case DDERR_GENERIC:
+ error = "Undefined error!";
+ break;
+ case DDERR_EXCEPTION:
+ error = "Exception encountered";
+ break;
+ case DDERR_INVALIDOBJECT:
+ error = "Invalid object";
+ break;
+ case DDERR_INVALIDPARAMS:
+ error = "Invalid parameters";
+ break;
+ case DDERR_NOTFOUND:
+ error = "Object not found";
+ break;
+ case DDERR_INVALIDRECT:
+ error = "Invalid rectangle";
+ break;
+ case DDERR_INVALIDCAPS:
+ error = "Invalid caps member";
+ break;
+ case DDERR_INVALIDPIXELFORMAT:
+ error = "Invalid pixel format";
+ break;
+ case DDERR_OUTOFMEMORY:
+ error = "Out of memory";
+ break;
+ case DDERR_OUTOFVIDEOMEMORY:
+ error = "Out of video memory";
+ break;
+ case DDERR_SURFACEBUSY:
+ error = "Surface busy";
+ break;
+ case DDERR_SURFACELOST:
+ error = "Surface was lost";
+ break;
+ case DDERR_WASSTILLDRAWING:
+ error = "DirectDraw is still drawing";
+ break;
+ case DDERR_INVALIDSURFACETYPE:
+ error = "Invalid surface type";
+ break;
+ case DDERR_NOEXCLUSIVEMODE:
+ error = "Not in exclusive access mode";
+ break;
+ case DDERR_NOPALETTEATTACHED:
+ error = "No palette attached";
+ break;
+ case DDERR_NOPALETTEHW:
+ error = "No palette hardware";
+ break;
+ case DDERR_NOT8BITCOLOR:
+ error = "Not 8-bit color";
+ break;
+ case DDERR_EXCLUSIVEMODEALREADYSET:
+ error = "Exclusive mode was already set";
+ break;
+ case DDERR_HWNDALREADYSET:
+ error = "Window handle already set";
+ break;
+ case DDERR_HWNDSUBCLASSED:
+ error = "Window handle is subclassed";
+ break;
+ case DDERR_NOBLTHW:
+ error = "No blit hardware";
+ break;
+ case DDERR_IMPLICITLYCREATED:
+ error = "Surface was implicitly created";
+ break;
+ case DDERR_INCOMPATIBLEPRIMARY:
+ error = "Incompatible primary surface";
+ break;
+ case DDERR_NOCOOPERATIVELEVELSET:
+ error = "No cooperative level set";
+ break;
+ case DDERR_NODIRECTDRAWHW:
+ error = "No DirectDraw hardware";
+ break;
+ case DDERR_NOEMULATION:
+ error = "No emulation available";
+ break;
+ case DDERR_NOFLIPHW:
+ error = "No flip hardware";
+ break;
+ case DDERR_NOTFLIPPABLE:
+ error = "Surface not flippable";
+ break;
+ case DDERR_PRIMARYSURFACEALREADYEXISTS:
+ error = "Primary surface already exists";
+ break;
+ case DDERR_UNSUPPORTEDMODE:
+ error = "Unsupported mode";
+ break;
+ case DDERR_WRONGMODE:
+ error = "Surface created in different mode";
+ break;
+ case DDERR_UNSUPPORTED:
+ error = "Operation not supported";
+ break;
+ case E_NOINTERFACE:
+ error = "Interface not present";
+ break;
+ default:
+ SDL_snprintf(errbuf, SDL_arraysize(errbuf),
+ "%s: Unknown DirectDraw error: 0x%x",
+ function, code);
+ break;
+ }
+ if ( ! errbuf[0] ) {
+ SDL_snprintf(errbuf, SDL_arraysize(errbuf), "%s: %s", function, error);
+ }
+ SDL_SetError("%s", errbuf);
+ return;
+}
+
+
+static int DX5_UpdateVideoInfo(_THIS)
+{
+ /* This needs to be DDCAPS_DX5 for the DirectDraw2 interface */
+#if DIRECTDRAW_VERSION <= 0x300
+#error Your version of DirectX must be greater than or equal to 5.0
+#endif
+#ifndef IDirectDrawGammaControl_SetGammaRamp
+ /*if gamma is undefined then we really have directx <= 0x500*/
+ DDCAPS DDCaps;
+#else
+ DDCAPS_DX5 DDCaps;
+#endif
+ HRESULT result;
+
+ /* Fill in our hardware acceleration capabilities */
+ SDL_memset(&DDCaps, 0, sizeof(DDCaps));
+ DDCaps.dwSize = sizeof(DDCaps);
+ result = IDirectDraw2_GetCaps(ddraw2, (DDCAPS *)&DDCaps, NULL);
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDraw2::GetCaps", result);
+ return(-1);
+ }
+ this->info.hw_available = 1;
+ if ( (DDCaps.dwCaps & DDCAPS_BLT) == DDCAPS_BLT ) {
+ this->info.blit_hw = 1;
+ }
+ if ( ((DDCaps.dwCaps & DDCAPS_COLORKEY) == DDCAPS_COLORKEY) &&
+ ((DDCaps.dwCKeyCaps & DDCKEYCAPS_SRCBLT) == DDCKEYCAPS_SRCBLT) ) {
+ this->info.blit_hw_CC = 1;
+ }
+ if ( (DDCaps.dwCaps & DDCAPS_ALPHA) == DDCAPS_ALPHA ) {
+ /* This is only for alpha channel, and DirectX 6
+ doesn't support 2D alpha blits yet, so set it 0
+ */
+ this->info.blit_hw_A = 0;
+ }
+ if ( (DDCaps.dwCaps & DDCAPS_CANBLTSYSMEM) == DDCAPS_CANBLTSYSMEM ) {
+ this->info.blit_sw = 1;
+ /* This isn't necessarily true, but the HEL will cover us */
+ this->info.blit_sw_CC = this->info.blit_hw_CC;
+ this->info.blit_sw_A = this->info.blit_hw_A;
+ }
+ if ( (DDCaps.dwCaps & DDCAPS_BLTCOLORFILL) == DDCAPS_BLTCOLORFILL ) {
+ this->info.blit_fill = 1;
+ }
+
+ /* Find out how much video memory is available */
+ { DDSCAPS ddsCaps;
+ DWORD total_mem;
+ ddsCaps.dwCaps = DDSCAPS_VIDEOMEMORY;
+ result = IDirectDraw2_GetAvailableVidMem(ddraw2,
+ &ddsCaps, &total_mem, NULL);
+ if ( result != DD_OK ) {
+ total_mem = DDCaps.dwVidMemTotal;
+ }
+ this->info.video_mem = total_mem/1024;
+ }
+ return(0);
+}
+
+int DX5_VideoInit(_THIS, SDL_PixelFormat *vformat)
+{
+ HRESULT result;
+ LPDIRECTDRAW ddraw;
+ int i, j;
+ HDC hdc;
+
+ /* Intialize everything */
+ ddraw2 = NULL;
+ SDL_primary = NULL;
+ SDL_clipper = NULL;
+ SDL_palette = NULL;
+ for ( i=0; i<NUM_MODELISTS; ++i ) {
+ SDL_nummodes[i] = 0;
+ SDL_modelist[i] = NULL;
+ SDL_modeindex[i] = 0;
+ }
+ colorchange_expected = 0;
+
+ /* Create the window */
+ if ( DX5_CreateWindow(this) < 0 ) {
+ return(-1);
+ }
+
+#if !SDL_AUDIO_DISABLED
+ DX5_SoundFocus(SDL_Window);
+#endif
+
+ /* Create the DirectDraw object */
+ result = DDrawCreate(NULL, &ddraw, NULL);
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDrawCreate", result);
+ return(-1);
+ }
+ result = IDirectDraw_QueryInterface(ddraw, &IID_IDirectDraw2,
+ (LPVOID *)&ddraw2);
+ IDirectDraw_Release(ddraw);
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDraw::QueryInterface", result);
+ return(-1);
+ }
+
+ /* Determine the screen depth */
+ hdc = GetDC(SDL_Window);
+ vformat->BitsPerPixel = GetDeviceCaps(hdc,PLANES) *
+ GetDeviceCaps(hdc,BITSPIXEL);
+ ReleaseDC(SDL_Window, hdc);
+
+#ifndef NO_CHANGEDISPLAYSETTINGS
+ /* Query for the desktop resolution */
+ EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &SDL_desktop_mode);
+ this->info.current_w = SDL_desktop_mode.dmPelsWidth;
+ this->info.current_h = SDL_desktop_mode.dmPelsHeight;
+#endif
+
+ /* Enumerate the available fullscreen modes */
+ for ( i=0; i<NUM_MODELISTS; ++i )
+ enumlists[i] = NULL;
+
+ result = IDirectDraw2_EnumDisplayModes(ddraw2,DDEDM_REFRESHRATES,NULL,this,EnumModes2);
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDraw2::EnumDisplayModes", result);
+ return(-1);
+ }
+ for ( i=0; i<NUM_MODELISTS; ++i ) {
+ struct DX5EnumRect *rect;
+ SDL_modelist[i] = (SDL_Rect **)
+ SDL_malloc((SDL_nummodes[i]+1)*sizeof(SDL_Rect *));
+ if ( SDL_modelist[i] == NULL ) {
+ SDL_OutOfMemory();
+ return(-1);
+ }
+ for ( j = 0, rect = enumlists[i]; rect; ++j, rect = rect->next ) {
+ SDL_modelist[i][j] = &rect->r;
+ }
+ SDL_modelist[i][j] = NULL;
+
+ if ( SDL_nummodes[i] > 0 ) {
+ SDL_qsort(SDL_modelist[i], SDL_nummodes[i], sizeof *SDL_modelist[i], cmpmodes);
+ }
+ }
+
+ /* Fill in some window manager capabilities */
+ this->info.wm_available = 1;
+
+ /* Fill in the video hardware capabilities */
+ DX5_UpdateVideoInfo(this);
+
+ return(0);
+}
+
+SDL_Rect **DX5_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
+{
+ int bpp;
+
+ bpp = format->BitsPerPixel;
+ if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
+ /* FIXME: No support for 1 bpp or 4 bpp formats */
+ switch (bpp) { /* Does windows support other BPP? */
+ case 8:
+ case 16:
+ case 24:
+ case 32:
+ bpp = (bpp/8)-1;
+ if ( SDL_nummodes[bpp] > 0 )
+ return(SDL_modelist[bpp]);
+ /* Fall through */
+ default:
+ return((SDL_Rect **)0);
+ }
+ } else {
+ if ( this->screen->format->BitsPerPixel == bpp ) {
+ return((SDL_Rect **)-1);
+ } else {
+ return((SDL_Rect **)0);
+ }
+ }
+}
+
+/* Various screen update functions available */
+static void DX5_WindowUpdate(_THIS, int numrects, SDL_Rect *rects);
+static void DX5_DirectUpdate(_THIS, int numrects, SDL_Rect *rects);
+
+SDL_Surface *DX5_SetVideoMode(_THIS, SDL_Surface *current,
+ int width, int height, int bpp, Uint32 flags)
+{
+ SDL_Surface *video;
+ int prev_w = -1;
+ int prev_h = -1;
+ HRESULT result;
+ DWORD sharemode;
+ DWORD style;
+ const DWORD directstyle =
+ (WS_POPUP);
+ const DWORD windowstyle =
+ (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX);
+ const DWORD resizestyle =
+ (WS_THICKFRAME|WS_MAXIMIZEBOX);
+ DDSURFACEDESC ddsd;
+ LPDIRECTDRAWSURFACE dd_surface1;
+ LPDIRECTDRAWSURFACE3 dd_surface3;
+
+ SDL_resizing = 1;
+#ifdef DDRAW_DEBUG
+ fprintf(stderr, "Setting %dx%dx%d video mode\n", width, height, bpp);
+#endif
+ /* Clean up any previous DirectDraw surfaces */
+ if ( current->hwdata ) {
+ this->FreeHWSurface(this, current);
+ current->hwdata = NULL;
+ }
+ if ( SDL_primary != NULL ) {
+ IDirectDrawSurface3_Release(SDL_primary);
+ SDL_primary = NULL;
+ }
+
+#ifndef NO_CHANGEDISPLAYSETTINGS
+ /* Unset any previous OpenGL fullscreen mode */
+ if ( (current->flags & (SDL_OPENGL|SDL_FULLSCREEN)) ==
+ (SDL_OPENGL|SDL_FULLSCREEN) ) {
+ ChangeDisplaySettings(NULL, 0);
+ }
+#endif
+
+ /* Clean up any GL context that may be hanging around */
+ if ( current->flags & SDL_OPENGL ) {
+ WIN_GL_ShutDown(this);
+ }
+
+ /* If we are setting a GL mode, use GDI, not DirectX (yuck) */
+ if ( flags & SDL_OPENGL ) {
+ Uint32 Rmask, Gmask, Bmask;
+
+ /* Recalculate the bitmasks if necessary */
+ if ( bpp == current->format->BitsPerPixel ) {
+ video = current;
+ } else {
+ switch (bpp) {
+ case 15:
+ case 16:
+ if ( 0 /*DIB_SussScreenDepth() == 15*/ ) {
+ /* 5-5-5 */
+ Rmask = 0x00007c00;
+ Gmask = 0x000003e0;
+ Bmask = 0x0000001f;
+ } else {
+ /* 5-6-5 */
+ Rmask = 0x0000f800;
+ Gmask = 0x000007e0;
+ Bmask = 0x0000001f;
+ }
+ break;
+ case 24:
+ case 32:
+ /* GDI defined as 8-8-8 */
+ Rmask = 0x00ff0000;
+ Gmask = 0x0000ff00;
+ Bmask = 0x000000ff;
+ break;
+ default:
+ Rmask = 0x00000000;
+ Gmask = 0x00000000;
+ Bmask = 0x00000000;
+ break;
+ }
+ video = SDL_CreateRGBSurface(SDL_SWSURFACE, 0, 0, bpp,
+ Rmask, Gmask, Bmask, 0);
+ if ( video == NULL ) {
+ SDL_OutOfMemory();
+ return(NULL);
+ }
+ }
+
+ /* Fill in part of the video surface */
+ prev_w = video->w;
+ prev_h = video->h;
+ video->flags = 0; /* Clear flags */
+ video->w = width;
+ video->h = height;
+ video->pitch = SDL_CalculatePitch(video);
+
+#ifndef NO_CHANGEDISPLAYSETTINGS
+ /* Set fullscreen mode if appropriate.
+ Ugh, since our list of valid video modes comes from
+ the DirectX driver, we may not actually be able to
+ change to the desired resolution here.
+ FIXME: Should we do a closest match?
+ */
+ if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
+ DEVMODE settings;
+ BOOL changed;
+
+ SDL_memset(&settings, 0, sizeof(DEVMODE));
+ settings.dmSize = sizeof(DEVMODE);
+ settings.dmBitsPerPel = video->format->BitsPerPixel;
+ settings.dmPelsWidth = width;
+ settings.dmPelsHeight = height;
+ settings.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL;
+ if ( width <= (int)SDL_desktop_mode.dmPelsWidth &&
+ height <= (int)SDL_desktop_mode.dmPelsHeight ) {
+ settings.dmDisplayFrequency = SDL_desktop_mode.dmDisplayFrequency;
+ settings.dmFields |= DM_DISPLAYFREQUENCY;
+ }
+ changed = (ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL);
+ if ( ! changed && (settings.dmFields & DM_DISPLAYFREQUENCY) ) {
+ settings.dmFields &= ~DM_DISPLAYFREQUENCY;
+ changed = (ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL);
+ }
+ if ( changed ) {
+ video->flags |= SDL_FULLSCREEN;
+ SDL_fullscreen_mode = settings;
+ }
+ }
+#endif /* !NO_CHANGEDISPLAYSETTINGS */
+
+ style = GetWindowLong(SDL_Window, GWL_STYLE);
+ style &= ~(resizestyle|WS_MAXIMIZE);
+ if ( video->flags & SDL_FULLSCREEN ) {
+ style &= ~windowstyle;
+ style |= directstyle;
+ } else {
+ if ( flags & SDL_NOFRAME ) {
+ style &= ~windowstyle;
+ style |= directstyle;
+ video->flags |= SDL_NOFRAME;
+ } else {
+ style &= ~directstyle;
+ style |= windowstyle;
+ if ( flags & SDL_RESIZABLE ) {
+ style |= resizestyle;
+ video->flags |= SDL_RESIZABLE;
+ }
+ }
+#if WS_MAXIMIZE
+ if (IsZoomed(SDL_Window)) style |= WS_MAXIMIZE;
+#endif
+ }
+
+ /* DJM: Don't piss of anyone who has setup his own window */
+ if ( !SDL_windowid )
+ SetWindowLong(SDL_Window, GWL_STYLE, style);
+
+ /* Resize the window (copied from SDL WinDIB driver) */
+ if ( !SDL_windowid && !IsZoomed(SDL_Window) ) {
+ RECT bounds;
+ int x, y;
+ HWND top;
+ UINT swp_flags;
+ const char *window = NULL;
+ const char *center = NULL;
+
+ if ( video->w != prev_w || video->h != prev_h ) {
+ window = SDL_getenv("SDL_VIDEO_WINDOW_POS");
+ center = SDL_getenv("SDL_VIDEO_CENTERED");
+ if ( window ) {
+ if ( SDL_sscanf(window, "%d,%d", &x, &y) == 2 ) {
+ SDL_windowX = x;
+ SDL_windowY = y;
+ }
+ if ( SDL_strcmp(window, "center") == 0 ) {
+ center = window;
+ }
+ }
+ }
+ swp_flags = (SWP_NOCOPYBITS | SWP_SHOWWINDOW);
+
+ bounds.left = SDL_windowX;
+ bounds.top = SDL_windowY;
+ bounds.right = SDL_windowX+video->w;
+ bounds.bottom = SDL_windowY+video->h;
+ AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), (GetMenu(SDL_Window) != NULL), 0);
+ width = bounds.right-bounds.left;
+ height = bounds.bottom-bounds.top;
+ if ( (flags & SDL_FULLSCREEN) ) {
+ x = (GetSystemMetrics(SM_CXSCREEN)-width)/2;
+ y = (GetSystemMetrics(SM_CYSCREEN)-height)/2;
+ } else if ( center ) {
+ x = (GetSystemMetrics(SM_CXSCREEN)-width)/2;
+ y = (GetSystemMetrics(SM_CYSCREEN)-height)/2;
+ } else if ( SDL_windowX || SDL_windowY || window ) {
+ x = bounds.left;
+ y = bounds.top;
+ } else {
+ x = y = -1;
+ swp_flags |= SWP_NOMOVE;
+ }
+ if ( flags & SDL_FULLSCREEN ) {
+ top = HWND_TOPMOST;
+ } else {
+ top = HWND_NOTOPMOST;
+ }
+ SetWindowPos(SDL_Window, top, x, y, width, height, swp_flags);
+ if ( !(flags & SDL_FULLSCREEN) ) {
+ SDL_windowX = SDL_bounds.left;
+ SDL_windowY = SDL_bounds.top;
+ }
+ SetForegroundWindow(SDL_Window);
+ }
+ SDL_resizing = 0;
+
+ /* Set up for OpenGL */
+ if ( WIN_GL_SetupWindow(this) < 0 ) {
+ return(NULL);
+ }
+ video->flags |= SDL_OPENGL;
+ return(video);
+ }
+
+ /* Set the appropriate window style */
+ style = GetWindowLong(SDL_Window, GWL_STYLE);
+ style &= ~(resizestyle|WS_MAXIMIZE);
+ if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
+ style &= ~windowstyle;
+ style |= directstyle;
+ } else {
+ if ( flags & SDL_NOFRAME ) {
+ style &= ~windowstyle;
+ style |= directstyle;
+ } else {
+ style &= ~directstyle;
+ style |= windowstyle;
+ if ( flags & SDL_RESIZABLE ) {
+ style |= resizestyle;
+ }
+ }
+#if WS_MAXIMIZE
+ if (IsZoomed(SDL_Window)) style |= WS_MAXIMIZE;
+#endif
+ }
+ /* DJM: Don't piss of anyone who has setup his own window */
+ if ( !SDL_windowid )
+ SetWindowLong(SDL_Window, GWL_STYLE, style);
+
+ /* Set DirectDraw sharing mode.. exclusive when fullscreen */
+ if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
+ sharemode = DDSCL_FULLSCREEN|DDSCL_EXCLUSIVE|DDSCL_ALLOWREBOOT;
+ } else {
+ sharemode = DDSCL_NORMAL;
+ }
+ result = IDirectDraw2_SetCooperativeLevel(ddraw2,SDL_Window,sharemode);
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDraw2::SetCooperativeLevel", result);
+ return(NULL);
+ }
+
+ /* Set the display mode, if we are in fullscreen mode */
+ if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
+ RECT bounds;
+ struct DX5EnumRect *rect;
+ int maxRefreshRate;
+
+ /* Cover up desktop during mode change */
+ bounds.left = 0;
+ bounds.top = 0;
+ bounds.right = GetSystemMetrics(SM_CXSCREEN);
+ bounds.bottom = GetSystemMetrics(SM_CYSCREEN);
+ AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), (GetMenu(SDL_Window) != NULL), 0);
+ SetWindowPos(SDL_Window, HWND_TOPMOST,
+ bounds.left, bounds.top,
+ bounds.right - bounds.left,
+ bounds.bottom - bounds.top, SWP_NOCOPYBITS);
+ ShowWindow(SDL_Window, SW_SHOW);
+ while ( GetForegroundWindow() != SDL_Window ) {
+ SetForegroundWindow(SDL_Window);
+ SDL_Delay(100);
+ }
+
+ /* find maximum monitor refresh rate for this resolution */
+ /* Dmitry Yakimov ftech@tula.net */
+ maxRefreshRate = 0; /* system default */
+ for ( rect = enumlists[bpp / 8 - 1]; rect; rect = rect->next ) {
+ if ( (width == rect->r.w) && (height == rect->r.h) ) {
+ maxRefreshRate = rect->refreshRate;
+ break;
+ }
+ }
+#ifdef DDRAW_DEBUG
+ fprintf(stderr, "refresh rate = %d Hz\n", maxRefreshRate);
+#endif
+
+ result = IDirectDraw2_SetDisplayMode(ddraw2, width, height, bpp, maxRefreshRate, 0);
+ if ( result != DD_OK ) {
+ result = IDirectDraw2_SetDisplayMode(ddraw2, width, height, bpp, 0, 0);
+ if ( result != DD_OK ) {
+ /* We couldn't set fullscreen mode, try window */
+ return(DX5_SetVideoMode(this, current, width, height, bpp, flags & ~SDL_FULLSCREEN));
+ }
+ }
+ DX5_DInputReset(this, 1);
+ } else {
+ DX5_DInputReset(this, 0);
+ }
+ DX5_UpdateVideoInfo(this);
+
+ /* Create a primary DirectDraw surface */
+ SDL_memset(&ddsd, 0, sizeof(ddsd));
+ ddsd.dwSize = sizeof(ddsd);
+ ddsd.dwFlags = DDSD_CAPS;
+ ddsd.ddsCaps.dwCaps = (DDSCAPS_PRIMARYSURFACE|DDSCAPS_VIDEOMEMORY);
+ if ( (flags & SDL_FULLSCREEN) != SDL_FULLSCREEN ) {
+ /* There's no windowed double-buffering */
+ flags &= ~SDL_DOUBLEBUF;
+ }
+ if ( (flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF ) {
+ ddsd.dwFlags |= DDSD_BACKBUFFERCOUNT;
+ ddsd.ddsCaps.dwCaps |= (DDSCAPS_COMPLEX|DDSCAPS_FLIP);
+ ddsd.dwBackBufferCount = 1;
+ }
+ result = IDirectDraw2_CreateSurface(ddraw2, &ddsd, &dd_surface1, NULL);
+ if ( (result != DD_OK) && ((flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF) ) {
+ ddsd.dwFlags &= ~DDSD_BACKBUFFERCOUNT;
+ ddsd.ddsCaps.dwCaps &= ~(DDSCAPS_COMPLEX|DDSCAPS_FLIP);
+ ddsd.dwBackBufferCount = 0;
+ result = IDirectDraw2_CreateSurface(ddraw2,
+ &ddsd, &dd_surface1, NULL);
+ }
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDraw2::CreateSurface(PRIMARY)", result);
+ return(NULL);
+ }
+ result = IDirectDrawSurface_QueryInterface(dd_surface1,
+ &IID_IDirectDrawSurface3, (LPVOID *)&SDL_primary);
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDrawSurface::QueryInterface", result);
+ return(NULL);
+ }
+ IDirectDrawSurface_Release(dd_surface1);
+
+ /* Get the format of the primary DirectDraw surface */
+ SDL_memset(&ddsd, 0, sizeof(ddsd));
+ ddsd.dwSize = sizeof(ddsd);
+ ddsd.dwFlags = DDSD_PIXELFORMAT|DDSD_CAPS;
+ result = IDirectDrawSurface3_GetSurfaceDesc(SDL_primary, &ddsd);
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDrawSurface::GetSurfaceDesc", result);
+ return(NULL);
+ }
+ if ( ! (ddsd.ddpfPixelFormat.dwFlags&DDPF_RGB) ) {
+ SDL_SetError("Primary DDRAW surface is not RGB format");
+ return(NULL);
+ }
+
+ /* Free old palette and create a new one if we're in 8-bit mode */
+ if ( SDL_palette != NULL ) {
+ IDirectDrawPalette_Release(SDL_palette);
+ SDL_palette = NULL;
+ }
+#if defined(NONAMELESSUNION)
+ if ( ddsd.ddpfPixelFormat.u1.dwRGBBitCount == 8 ) {
+#else
+ if ( ddsd.ddpfPixelFormat.dwRGBBitCount == 8 ) {
+#endif
+ int i;
+
+ if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
+ /* We have access to the entire palette */
+ for ( i=0; i<256; ++i ) {
+ SDL_colors[i].peFlags =
+ (PC_NOCOLLAPSE|PC_RESERVED);
+ SDL_colors[i].peRed = 0;
+ SDL_colors[i].peGreen = 0;
+ SDL_colors[i].peBlue = 0;
+ }
+ } else {
+ /* First 10 colors are reserved by Windows */
+ for ( i=0; i<10; ++i ) {
+ SDL_colors[i].peFlags = PC_EXPLICIT;
+ SDL_colors[i].peRed = i;
+ SDL_colors[i].peGreen = 0;
+ SDL_colors[i].peBlue = 0;
+ }
+ for ( i=10; i<(10+236); ++i ) {
+ SDL_colors[i].peFlags = PC_NOCOLLAPSE;
+ SDL_colors[i].peRed = 0;
+ SDL_colors[i].peGreen = 0;
+ SDL_colors[i].peBlue = 0;
+ }
+ /* Last 10 colors are reserved by Windows */
+ for ( i=246; i<256; ++i ) {
+ SDL_colors[i].peFlags = PC_EXPLICIT;
+ SDL_colors[i].peRed = i;
+ SDL_colors[i].peGreen = 0;
+ SDL_colors[i].peBlue = 0;
+ }
+ }
+ result = IDirectDraw2_CreatePalette(ddraw2,
+ (DDPCAPS_8BIT|DDPCAPS_ALLOW256),
+ SDL_colors, &SDL_palette, NULL);
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDraw2::CreatePalette", result);
+ return(NULL);
+ }
+ result = IDirectDrawSurface3_SetPalette(SDL_primary,
+ SDL_palette);
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDrawSurface3::SetPalette", result);
+ return(NULL);
+ }
+ }
+
+ /* Create our video surface using the same pixel format */
+ video = current;
+ if ( (width != video->w) || (height != video->h)
+ || (video->format->BitsPerPixel !=
+#if defined(NONAMELESSUNION)
+ ddsd.ddpfPixelFormat.u1.dwRGBBitCount) ) {
+#else
+ ddsd.ddpfPixelFormat.dwRGBBitCount) ) {
+#endif
+ SDL_FreeSurface(video);
+ video = SDL_CreateRGBSurface(SDL_SWSURFACE, 0, 0,
+#if defined(NONAMELESSUNION)
+ ddsd.ddpfPixelFormat.u1.dwRGBBitCount,
+ ddsd.ddpfPixelFormat.u2.dwRBitMask,
+ ddsd.ddpfPixelFormat.u3.dwGBitMask,
+ ddsd.ddpfPixelFormat.u4.dwBBitMask,
+#else
+ ddsd.ddpfPixelFormat.dwRGBBitCount,
+ ddsd.ddpfPixelFormat.dwRBitMask,
+ ddsd.ddpfPixelFormat.dwGBitMask,
+ ddsd.ddpfPixelFormat.dwBBitMask,
+#endif
+ 0);
+ if ( video == NULL ) {
+ SDL_OutOfMemory();
+ return(NULL);
+ }
+ prev_w = video->w;
+ prev_h = video->h;
+ video->w = width;
+ video->h = height;
+ video->pitch = 0;
+ }
+ video->flags = 0; /* Clear flags */
+
+ /* If not fullscreen, locking is possible, but it doesn't do what
+ the caller really expects -- if the locked surface is written to,
+ the appropriate portion of the entire screen is modified, not
+ the application window, as we would like.
+ Note that it is still possible to write directly to display
+ memory, but the application must respect the clip list of
+ the surface. There might be some odd timing interactions
+ involving clip list updates and background refreshing as
+ Windows moves other windows across our window.
+ We currently don't support this, even though it might be a
+ good idea since BeOS has an implementation of BDirectWindow
+ that does the same thing. This would be most useful for
+ applications that do complete screen updates every frame.
+ -- Fixme?
+ */
+ if ( (flags & SDL_FULLSCREEN) != SDL_FULLSCREEN ) {
+ /* Necessary if we're going from fullscreen to window */
+ if ( video->pixels == NULL ) {
+ video->pitch = (width*video->format->BytesPerPixel);
+ /* Pitch needs to be QWORD (8-byte) aligned */
+ video->pitch = (video->pitch + 7) & ~7;
+ video->pixels = (void *)SDL_malloc(video->h*video->pitch);
+ if ( video->pixels == NULL ) {
+ if ( video != current ) {
+ SDL_FreeSurface(video);
+ }
+ SDL_OutOfMemory();
+ return(NULL);
+ }
+ }
+ dd_surface3 = NULL;
+#if 0 /* FIXME: enable this when SDL consistently reports lost surfaces */
+ if ( (flags & SDL_HWSURFACE) == SDL_HWSURFACE ) {
+ video->flags |= SDL_HWSURFACE;
+ } else {
+ video->flags |= SDL_SWSURFACE;
+ }
+#else
+ video->flags |= SDL_SWSURFACE;
+#endif
+ if ( (flags & SDL_RESIZABLE) && !(flags & SDL_NOFRAME) ) {
+ video->flags |= SDL_RESIZABLE;
+ }
+ if ( flags & SDL_NOFRAME ) {
+ video->flags |= SDL_NOFRAME;
+ }
+ } else {
+ /* Necessary if we're going from window to fullscreen */
+ if ( video->pixels != NULL ) {
+ SDL_free(video->pixels);
+ video->pixels = NULL;
+ }
+ dd_surface3 = SDL_primary;
+ video->flags |= SDL_HWSURFACE;
+ }
+
+ /* See if the primary surface has double-buffering enabled */
+ if ( (ddsd.ddsCaps.dwCaps & DDSCAPS_FLIP) == DDSCAPS_FLIP ) {
+ video->flags |= SDL_DOUBLEBUF;
+ }
+
+ /* Allocate the SDL surface associated with the primary surface */
+ if ( DX5_AllocDDSurface(this, video, dd_surface3,
+ video->flags&SDL_HWSURFACE) < 0 ) {
+ if ( video != current ) {
+ SDL_FreeSurface(video);
+ }
+ return(NULL);
+ }
+
+ /* Use the appropriate blitting function */
+ if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
+ video->flags |= SDL_FULLSCREEN;
+ if ( video->format->palette != NULL ) {
+ video->flags |= SDL_HWPALETTE;
+ }
+ this->UpdateRects = DX5_DirectUpdate;
+ } else {
+ this->UpdateRects = DX5_WindowUpdate;
+ }
+
+ /* Make our window the proper size, set the clipper, then show it */
+ if ( (flags & SDL_FULLSCREEN) != SDL_FULLSCREEN ) {
+ /* Create and set a clipper on our primary surface */
+ if ( SDL_clipper == NULL ) {
+ result = IDirectDraw2_CreateClipper(ddraw2,
+ 0, &SDL_clipper, NULL);
+ if ( result != DD_OK ) {
+ if ( video != current ) {
+ SDL_FreeSurface(video);
+ }
+ SetDDerror("DirectDraw2::CreateClipper",result);
+ return(NULL);
+ }
+ }
+ result = IDirectDrawClipper_SetHWnd(SDL_clipper, 0, SDL_Window);
+ if ( result != DD_OK ) {
+ if ( video != current ) {
+ SDL_FreeSurface(video);
+ }
+ SetDDerror("DirectDrawClipper::SetHWnd", result);
+ return(NULL);
+ }
+ result = IDirectDrawSurface3_SetClipper(SDL_primary,
+ SDL_clipper);
+ if ( result != DD_OK ) {
+ if ( video != current ) {
+ SDL_FreeSurface(video);
+ }
+ SetDDerror("DirectDrawSurface3::SetClipper", result);
+ return(NULL);
+ }
+
+ /* Resize the window (copied from SDL WinDIB driver) */
+ if ( !SDL_windowid && !IsZoomed(SDL_Window) ) {
+ RECT bounds;
+ int x, y;
+ UINT swp_flags;
+ const char *window = NULL;
+ const char *center = NULL;
+
+ if ( video->w != prev_w || video->h != prev_h ) {
+ window = SDL_getenv("SDL_VIDEO_WINDOW_POS");
+ center = SDL_getenv("SDL_VIDEO_CENTERED");
+ if ( window ) {
+ if ( SDL_sscanf(window, "%d,%d", &x, &y) == 2 ) {
+ SDL_windowX = x;
+ SDL_windowY = y;
+ }
+ if ( SDL_strcmp(window, "center") == 0 ) {
+ center = window;
+ }
+ }
+ }
+ swp_flags = SWP_NOCOPYBITS;
+
+ bounds.left = SDL_windowX;
+ bounds.top = SDL_windowY;
+ bounds.right = SDL_windowX+video->w;
+ bounds.bottom = SDL_windowY+video->h;
+ AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), (GetMenu(SDL_Window) != NULL), 0);
+ width = bounds.right-bounds.left;
+ height = bounds.bottom-bounds.top;
+ if ( center ) {
+ x = (GetSystemMetrics(SM_CXSCREEN)-width)/2;
+ y = (GetSystemMetrics(SM_CYSCREEN)-height)/2;
+ } else if ( SDL_windowX || SDL_windowY || window ) {
+ x = bounds.left;
+ y = bounds.top;
+ } else {
+ x = y = -1;
+ swp_flags |= SWP_NOMOVE;
+ }
+ SetWindowPos(SDL_Window, HWND_NOTOPMOST, x, y, width, height, swp_flags);
+ SDL_windowX = SDL_bounds.left;
+ SDL_windowY = SDL_bounds.top;
+ }
+
+ }
+ ShowWindow(SDL_Window, SW_SHOW);
+ SetForegroundWindow(SDL_Window);
+ SDL_resizing = 0;
+
+ /* JC 14 Mar 2006
+ Flush the message loop or this can cause big problems later
+ Especially if the user decides to use dialog boxes or assert()!
+ */
+ WIN_FlushMessageQueue();
+
+ /* We're live! */
+ return(video);
+}
+
+struct private_hwdata {
+ LPDIRECTDRAWSURFACE3 dd_surface;
+ LPDIRECTDRAWSURFACE3 dd_writebuf;
+};
+
+static int DX5_AllocDDSurface(_THIS, SDL_Surface *surface,
+ LPDIRECTDRAWSURFACE3 requested, Uint32 flag)
+{
+ LPDIRECTDRAWSURFACE dd_surface1;
+ LPDIRECTDRAWSURFACE3 dd_surface3;
+ DDSURFACEDESC ddsd;
+ HRESULT result;
+
+ /* Clear the hardware flag, in case we fail */
+ surface->flags &= ~flag;
+
+ /* Allocate the hardware acceleration data */
+ surface->hwdata = (struct private_hwdata *)
+ SDL_malloc(sizeof(*surface->hwdata));
+ if ( surface->hwdata == NULL ) {
+ SDL_OutOfMemory();
+ return(-1);
+ }
+ dd_surface3 = NULL;
+
+ /* Set up the surface description */
+ SDL_memset(&ddsd, 0, sizeof(ddsd));
+ ddsd.dwSize = sizeof(ddsd);
+ ddsd.dwFlags = (DDSD_WIDTH|DDSD_HEIGHT|DDSD_CAPS|
+ DDSD_PITCH|DDSD_PIXELFORMAT);
+ ddsd.dwWidth = surface->w;
+ ddsd.dwHeight= surface->h;
+#if defined(NONAMELESSUNION)
+ ddsd.u1.lPitch = surface->pitch;
+#else
+ ddsd.lPitch = surface->pitch;
+#endif
+ if ( (flag & SDL_HWSURFACE) == SDL_HWSURFACE ) {
+ ddsd.ddsCaps.dwCaps =
+ (DDSCAPS_OFFSCREENPLAIN|DDSCAPS_VIDEOMEMORY);
+ } else {
+ ddsd.ddsCaps.dwCaps =
+ (DDSCAPS_OFFSCREENPLAIN|DDSCAPS_SYSTEMMEMORY);
+ }
+ ddsd.ddpfPixelFormat.dwSize = sizeof(ddsd.ddpfPixelFormat);
+ ddsd.ddpfPixelFormat.dwFlags = DDPF_RGB;
+ if ( surface->format->palette ) {
+ ddsd.ddpfPixelFormat.dwFlags |= DDPF_PALETTEINDEXED8;
+ }
+#if defined(NONAMELESSUNION)
+ ddsd.ddpfPixelFormat.u1.dwRGBBitCount = surface->format->BitsPerPixel;
+ ddsd.ddpfPixelFormat.u2.dwRBitMask = surface->format->Rmask;
+ ddsd.ddpfPixelFormat.u3.dwGBitMask = surface->format->Gmask;
+ ddsd.ddpfPixelFormat.u4.dwBBitMask = surface->format->Bmask;
+#else
+ ddsd.ddpfPixelFormat.dwRGBBitCount = surface->format->BitsPerPixel;
+ ddsd.ddpfPixelFormat.dwRBitMask = surface->format->Rmask;
+ ddsd.ddpfPixelFormat.dwGBitMask = surface->format->Gmask;
+ ddsd.ddpfPixelFormat.dwBBitMask = surface->format->Bmask;
+#endif
+
+ /* Create the DirectDraw video surface */
+ if ( requested != NULL ) {
+ dd_surface3 = requested;
+ } else {
+ result = IDirectDraw2_CreateSurface(ddraw2,
+ &ddsd, &dd_surface1, NULL);
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDraw2::CreateSurface", result);
+ goto error_end;
+ }
+ result = IDirectDrawSurface_QueryInterface(dd_surface1,
+ &IID_IDirectDrawSurface3, (LPVOID *)&dd_surface3);
+ IDirectDrawSurface_Release(dd_surface1);
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDrawSurface::QueryInterface", result);
+ goto error_end;
+ }
+ }
+
+ if ( (flag & SDL_HWSURFACE) == SDL_HWSURFACE ) {
+ /* Check to see whether the surface actually ended up
+ in video memory, and fail if not. We expect the
+ surfaces we create here to actually be in hardware!
+ */
+ result = IDirectDrawSurface3_GetCaps(dd_surface3,&ddsd.ddsCaps);
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDrawSurface3::GetCaps", result);
+ goto error_end;
+ }
+ if ( (ddsd.ddsCaps.dwCaps&DDSCAPS_VIDEOMEMORY) !=
+ DDSCAPS_VIDEOMEMORY ) {
+ SDL_SetError("No room in video memory");
+ goto error_end;
+ }
+ } else {
+ /* Try to hook our surface memory */
+ ddsd.dwFlags = DDSD_LPSURFACE;
+ ddsd.lpSurface = surface->pixels;
+ result = IDirectDrawSurface3_SetSurfaceDesc(dd_surface3,
+ &ddsd, 0);
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDraw2::SetSurfaceDesc", result);
+ goto error_end;
+ }
+
+ }
+
+ /* Make sure the surface format was set properly */
+ SDL_memset(&ddsd, 0, sizeof(ddsd));
+ ddsd.dwSize = sizeof(ddsd);
+ result = IDirectDrawSurface3_Lock(dd_surface3, NULL,
+ &ddsd, (DDLOCK_NOSYSLOCK|DDLOCK_WAIT), NULL);
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDrawSurface3::Lock", result);
+ goto error_end;
+ }
+ IDirectDrawSurface3_Unlock(dd_surface3, NULL);
+
+ if ( (flag & SDL_HWSURFACE) == SDL_SWSURFACE ) {
+ if ( ddsd.lpSurface != surface->pixels ) {
+ SDL_SetError("DDraw didn't use SDL surface memory");
+ goto error_end;
+ }
+ if (
+#if defined(NONAMELESSUNION)
+ ddsd.u1.lPitch
+#else
+ ddsd.lPitch
+#endif
+ != (LONG)surface->pitch ) {
+ SDL_SetError("DDraw created surface with wrong pitch");
+ goto error_end;
+ }
+ } else {
+#if defined(NONAMELESSUNION)
+ surface->pitch = (Uint16)ddsd.u1.lPitch;
+#else
+ surface->pitch = (Uint16)ddsd.lPitch;
+#endif
+ }
+#if defined(NONAMELESSUNION)
+ if ( (ddsd.ddpfPixelFormat.u1.dwRGBBitCount !=
+ surface->format->BitsPerPixel) ||
+ (ddsd.ddpfPixelFormat.u2.dwRBitMask != surface->format->Rmask) ||
+ (ddsd.ddpfPixelFormat.u3.dwGBitMask != surface->format->Gmask) ||
+ (ddsd.ddpfPixelFormat.u4.dwBBitMask != surface->format->Bmask) ){
+#else
+ if ( (ddsd.ddpfPixelFormat.dwRGBBitCount !=
+ surface->format->BitsPerPixel) ||
+ (ddsd.ddpfPixelFormat.dwRBitMask != surface->format->Rmask) ||
+ (ddsd.ddpfPixelFormat.dwGBitMask != surface->format->Gmask) ||
+ (ddsd.ddpfPixelFormat.dwBBitMask != surface->format->Bmask) ){
+#endif
+ SDL_SetError("DDraw didn't use SDL surface description");
+ goto error_end;
+ }
+ if ( (ddsd.dwWidth != (DWORD)surface->w) ||
+ (ddsd.dwHeight != (DWORD)surface->h) ) {
+ SDL_SetError("DDraw created surface with wrong size");
+ goto error_end;
+ }
+
+ /* Set the surface private data */
+ surface->flags |= flag;
+ surface->hwdata->dd_surface = dd_surface3;
+ if ( (surface->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF ) {
+ LPDIRECTDRAWSURFACE3 dd_writebuf;
+
+ ddsd.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;
+ result = IDirectDrawSurface3_GetAttachedSurface(dd_surface3,
+ &ddsd.ddsCaps, &dd_writebuf);
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDrawSurface3::GetAttachedSurface",
+ result);
+ } else {
+ dd_surface3 = dd_writebuf;
+ }
+ }
+ surface->hwdata->dd_writebuf = dd_surface3;
+
+ /* We're ready to go! */
+ return(0);
+
+ /* Okay, so goto's are cheesy, but there are so many possible
+ errors in this function, and the cleanup is the same in
+ every single case. Is there a better way, other than deeply
+ nesting the code?
+ */
+error_end:
+ if ( (dd_surface3 != NULL) && (dd_surface3 != requested) ) {
+ IDirectDrawSurface_Release(dd_surface3);
+ }
+ SDL_free(surface->hwdata);
+ surface->hwdata = NULL;
+ return(-1);
+}
+
+static int DX5_AllocHWSurface(_THIS, SDL_Surface *surface)
+{
+ /* DDraw limitation -- you need to set cooperative level first */
+ if ( SDL_primary == NULL ) {
+ SDL_SetError("You must set a non-GL video mode first");
+ return(-1);
+ }
+ return(DX5_AllocDDSurface(this, surface, NULL, SDL_HWSURFACE));
+}
+
+#ifdef DDRAW_DEBUG
+void PrintSurface(char *title, LPDIRECTDRAWSURFACE3 surface, Uint32 flags)
+{
+ DDSURFACEDESC ddsd;
+
+ /* Lock and load! */
+ SDL_memset(&ddsd, 0, sizeof(ddsd));
+ ddsd.dwSize = sizeof(ddsd);
+ if ( IDirectDrawSurface3_Lock(surface, NULL, &ddsd,
+ (DDLOCK_NOSYSLOCK|DDLOCK_WAIT), NULL) != DD_OK ) {
+ return;
+ }
+ IDirectDrawSurface3_Unlock(surface, NULL);
+
+ fprintf(stderr, "%s:\n", title);
+ fprintf(stderr, "\tSize: %dx%d in %s at %ld bpp (pitch = %ld)\n",
+ ddsd.dwWidth, ddsd.dwHeight,
+ (flags & SDL_HWSURFACE) ? "hardware" : "software",
+#if defined(NONAMELESSUNION)
+ ddsd.ddpfPixelFormat.u1.dwRGBBitCount, ddsd.u1.lPitch);
+#else
+ ddsd.ddpfPixelFormat.dwRGBBitCount, ddsd.lPitch);
+#endif
+ fprintf(stderr, "\tR = 0x%X, G = 0x%X, B = 0x%X\n",
+#if defined(NONAMELESSUNION)
+ ddsd.ddpfPixelFormat.u2.dwRBitMask,
+ ddsd.ddpfPixelFormat.u3.dwGBitMask,
+ ddsd.ddpfPixelFormat.u4.dwBBitMask);
+#else
+ ddsd.ddpfPixelFormat.dwRBitMask,
+ ddsd.ddpfPixelFormat.dwGBitMask,
+ ddsd.ddpfPixelFormat.dwBBitMask);
+#endif
+}
+#endif /* DDRAW_DEBUG */
+
+static int DX5_HWAccelBlit(SDL_Surface *src, SDL_Rect *srcrect,
+ SDL_Surface *dst, SDL_Rect *dstrect)
+{
+ LPDIRECTDRAWSURFACE3 src_surface;
+ LPDIRECTDRAWSURFACE3 dst_surface;
+ DWORD flags;
+ RECT rect;
+ HRESULT result;
+
+ /* Set it up.. the desination must have a DDRAW surface */
+ src_surface = src->hwdata->dd_writebuf;
+ dst_surface = dst->hwdata->dd_writebuf;
+ rect.top = (LONG)srcrect->y;
+ rect.bottom = (LONG)srcrect->y+srcrect->h;
+ rect.left = (LONG)srcrect->x;
+ rect.right = (LONG)srcrect->x+srcrect->w;
+ if ( (src->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY )
+ flags = DDBLTFAST_SRCCOLORKEY;
+ else
+ flags = DDBLTFAST_NOCOLORKEY;
+ /* FIXME: We can remove this flag for _really_ fast blit queuing,
+ but it will affect the return values of locks and flips.
+ */
+ flags |= DDBLTFAST_WAIT;
+
+ /* Do the blit! */
+ result = IDirectDrawSurface3_BltFast(dst_surface,
+ dstrect->x, dstrect->y, src_surface, &rect, flags);
+ if ( result != DD_OK ) {
+ if ( result == DDERR_SURFACELOST ) {
+ result = IDirectDrawSurface3_Restore(src_surface);
+ result = IDirectDrawSurface3_Restore(dst_surface);
+ /* The surfaces need to be reloaded with artwork */
+ SDL_SetError("Blit surfaces were lost, reload them");
+ return(-2);
+ }
+ SetDDerror("IDirectDrawSurface3::BltFast", result);
+#ifdef DDRAW_DEBUG
+ fprintf(stderr, "Original dest rect: %dx%d at %d,%d\n", dstrect->w, dstrect->h, dstrect->x, dstrect->y);
+ fprintf(stderr, "HW accelerated %sblit to from 0x%p to 0x%p at (%d,%d)\n",
+ (src->flags & SDL_SRCCOLORKEY) ? "colorkey " : "", src, dst,
+ dstrect->x, dstrect->y);
+ PrintSurface("SRC", src_surface, src->flags);
+ PrintSurface("DST", dst_surface, dst->flags);
+ fprintf(stderr, "Source rectangle: (%d,%d) - (%d,%d)\n",
+ rect.left, rect.top, rect.right, rect.bottom);
+#endif
+ /* Unexpected error, fall back to software blit */
+ return(src->map->sw_blit(src, srcrect, dst, dstrect));
+ }
+ return(0);
+}
+
+static int DX5_CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dst)
+{
+ int accelerated;
+
+ /* We need to have a DDraw surface for HW blits */
+ if ( (src->flags & SDL_HWSURFACE) == SDL_SWSURFACE ) {
+ /* Allocate a DDraw surface for the blit */
+ if ( src->hwdata == NULL ) {
+ DX5_AllocDDSurface(this, src, NULL, SDL_SWSURFACE);
+ }
+ }
+ if ( src->hwdata == NULL ) {
+ return(0);
+ }
+
+ /* Set initial acceleration on */
+ src->flags |= SDL_HWACCEL;
+
+ /* Set the surface attributes */
+ if ( (src->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY ) {
+ if ( DX5_SetHWColorKey(this, src, src->format->colorkey) < 0 ) {
+ src->flags &= ~SDL_HWACCEL;
+ }
+ }
+ if ( (src->flags & SDL_SRCALPHA) == SDL_SRCALPHA ) {
+ if ( DX5_SetHWAlpha(this, src, src->format->alpha) < 0 ) {
+ src->flags &= ~SDL_HWACCEL;
+ }
+ }
+
+ /* Check to see if final surface blit is accelerated */
+ accelerated = !!(src->flags & SDL_HWACCEL);
+ if ( accelerated ) {
+#ifdef DDRAW_DEBUG
+ fprintf(stderr, "Setting accelerated blit on 0x%p\n", src);
+#endif
+ src->map->hw_blit = DX5_HWAccelBlit;
+ }
+ return(accelerated);
+}
+
+static int DX5_FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *dstrect, Uint32 color)
+{
+ LPDIRECTDRAWSURFACE3 dst_surface;
+ RECT area;
+ DDBLTFX bltfx;
+ HRESULT result;
+
+#ifdef DDRAW_DEBUG
+ fprintf(stderr, "HW accelerated fill at (%d,%d)\n", dstrect->x, dstrect->y);
+#endif
+ dst_surface = dst->hwdata->dd_writebuf;
+ area.top = (LONG)dstrect->y;
+ area.bottom = (LONG)dstrect->y+dstrect->h;
+ area.left = (LONG)dstrect->x;
+ area.right = (LONG)dstrect->x+dstrect->w;
+ bltfx.dwSize = sizeof(bltfx);
+#if defined(NONAMELESSUNION)
+ bltfx.u5.dwFillColor = color;
+#else
+ bltfx.dwFillColor = color;
+#endif
+ result = IDirectDrawSurface3_Blt(dst_surface,
+ &area, NULL, NULL, DDBLT_COLORFILL|DDBLT_WAIT, &bltfx);
+ if ( result == DDERR_SURFACELOST ) {
+ IDirectDrawSurface3_Restore(dst_surface);
+ result = IDirectDrawSurface3_Blt(dst_surface,
+ &area, NULL, NULL, DDBLT_COLORFILL|DDBLT_WAIT, &bltfx);
+ }
+ if ( result != DD_OK ) {
+ SetDDerror("IDirectDrawSurface3::Blt", result);
+ return(-1);
+ }
+ return(0);
+}
+
+static int DX5_SetHWColorKey(_THIS, SDL_Surface *surface, Uint32 key)
+{
+ DDCOLORKEY colorkey;
+ HRESULT result;
+
+ /* Set the surface colorkey */
+ colorkey.dwColorSpaceLowValue = key;
+ colorkey.dwColorSpaceHighValue = key;
+ result = IDirectDrawSurface3_SetColorKey(
+ surface->hwdata->dd_surface, DDCKEY_SRCBLT, &colorkey);
+ if ( result != DD_OK ) {
+ SetDDerror("IDirectDrawSurface3::SetColorKey", result);
+ return(-1);
+ }
+ return(0);
+}
+static int DX5_SetHWAlpha(_THIS, SDL_Surface *surface, Uint8 alpha)
+{
+ return(-1);
+}
+
+static int DX5_LockHWSurface(_THIS, SDL_Surface *surface)
+{
+ HRESULT result;
+ LPDIRECTDRAWSURFACE3 dd_surface;
+ DDSURFACEDESC ddsd;
+
+ /* Lock and load! */
+ dd_surface = surface->hwdata->dd_writebuf;
+ SDL_memset(&ddsd, 0, sizeof(ddsd));
+ ddsd.dwSize = sizeof(ddsd);
+ result = IDirectDrawSurface3_Lock(dd_surface, NULL, &ddsd,
+ (DDLOCK_NOSYSLOCK|DDLOCK_WAIT), NULL);
+ if ( result == DDERR_SURFACELOST ) {
+ result = IDirectDrawSurface3_Restore(
+ surface->hwdata->dd_surface);
+ result = IDirectDrawSurface3_Lock(dd_surface, NULL, &ddsd,
+ (DDLOCK_NOSYSLOCK|DDLOCK_WAIT), NULL);
+ }
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDrawSurface3::Lock", result);
+ return(-1);
+ }
+ /* Pitch might have changed -- recalculate pitch and offset */
+#if defined(NONAMELESSUNION)
+ if ( surface->pitch != ddsd.u1.lPitch ) {
+ surface->pitch = ddsd.u1.lPitch;
+#else
+ if ( surface->pitch != ddsd.lPitch ) {
+ surface->pitch = (Uint16)ddsd.lPitch;
+#endif
+ surface->offset =
+ ((ddsd.dwHeight-surface->h)/2)*surface->pitch +
+ ((ddsd.dwWidth-surface->w)/2)*
+ surface->format->BytesPerPixel;
+ }
+ surface->pixels = ddsd.lpSurface;
+ return(0);
+}
+
+static void DX5_UnlockHWSurface(_THIS, SDL_Surface *surface)
+{
+ IDirectDrawSurface3_Unlock(surface->hwdata->dd_writebuf, NULL);
+ surface->pixels = NULL;
+}
+
+static int DX5_FlipHWSurface(_THIS, SDL_Surface *surface)
+{
+ HRESULT result;
+ LPDIRECTDRAWSURFACE3 dd_surface;
+
+ dd_surface = surface->hwdata->dd_surface;
+
+ /* to prevent big slowdown on fast computers, wait here instead of driver ring 0 code */
+ /* Dmitry Yakimov (ftech@tula.net) */
+ while(IDirectDrawSurface3_GetFlipStatus(dd_surface, DDGBS_ISBLTDONE) == DDERR_WASSTILLDRAWING);
+
+ result = IDirectDrawSurface3_Flip(dd_surface, NULL, DDFLIP_WAIT);
+ if ( result == DDERR_SURFACELOST ) {
+ result = IDirectDrawSurface3_Restore(
+ surface->hwdata->dd_surface);
+ while(IDirectDrawSurface3_GetFlipStatus(dd_surface, DDGBS_ISBLTDONE) == DDERR_WASSTILLDRAWING);
+ result = IDirectDrawSurface3_Flip(dd_surface, NULL, DDFLIP_WAIT);
+ }
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDrawSurface3::Flip", result);
+ return(-1);
+ }
+ return(0);
+}
+
+static void DX5_FreeHWSurface(_THIS, SDL_Surface *surface)
+{
+ if ( surface->hwdata ) {
+ if ( surface->hwdata->dd_surface != SDL_primary ) {
+ IDirectDrawSurface3_Release(surface->hwdata->dd_surface);
+ }
+ SDL_free(surface->hwdata);
+ surface->hwdata = NULL;
+ }
+}
+
+void DX5_WindowUpdate(_THIS, int numrects, SDL_Rect *rects)
+{
+ HRESULT result;
+ int i;
+ RECT src, dst;
+
+ for ( i=0; i<numrects; ++i ) {
+ src.top = (LONG)rects[i].y;
+ src.bottom = (LONG)rects[i].y+rects[i].h;
+ src.left = (LONG)rects[i].x;
+ src.right = (LONG)rects[i].x+rects[i].w;
+ dst.top = SDL_bounds.top+src.top;
+ dst.left = SDL_bounds.left+src.left;
+ dst.bottom = SDL_bounds.top+src.bottom;
+ dst.right = SDL_bounds.left+src.right;
+ result = IDirectDrawSurface3_Blt(SDL_primary, &dst,
+ this->screen->hwdata->dd_surface, &src,
+ DDBLT_WAIT, NULL);
+ /* Doh! Check for lost surface and restore it */
+ if ( result == DDERR_SURFACELOST ) {
+ IDirectDrawSurface3_Restore(SDL_primary);
+ IDirectDrawSurface3_Blt(SDL_primary, &dst,
+ this->screen->hwdata->dd_surface, &src,
+ DDBLT_WAIT, NULL);
+ }
+ }
+}
+
+void DX5_DirectUpdate(_THIS, int numrects, SDL_Rect *rects)
+{
+}
+
+/* Compress a full palette into the limited number of colors given to us
+ by windows.
+
+ The "best" way to do this is to sort the colors by diversity and place
+ the most diverse colors into the limited palette. Unfortunately this
+ results in widely varying colors being displayed in the interval during
+ which the windows palette has been set, and the mapping of the shadow
+ surface to the new palette. This is especially noticeable during fades.
+
+ To deal with this problem, we can copy a predetermined portion of the
+ full palette, and use that as the limited palette. This allows colors
+ to fade smoothly as the remapping is very similar on each palette change.
+ Unfortunately, this breaks applications which partition the palette into
+ distinct and widely varying areas, expecting all colors to be available.
+
+ I'm making them both available, chosen at compile time.
+ If you want the chunk-o-palette algorithm, define SIMPLE_COMPRESSION,
+ otherwise the sort-by-diversity algorithm will be used.
+*/
+#define SIMPLE_COMPRESSION
+#define CS_CS_DIST(A, B) ({ \
+ int r = (A.r - B.r); \
+ int g = (A.g - B.g); \
+ int b = (A.b - B.b); \
+ (r*r + g*g + b*b); \
+})
+static void DX5_CompressPalette(_THIS, SDL_Color *colors, int ncolors, int maxcolors)
+{
+#ifdef SIMPLE_COMPRESSION
+ int i, j;
+#else
+ static SDL_Color zero = { 0, 0, 0, 0 };
+ int i, j;
+ int max, dist;
+ int prev, next;
+ int *pool;
+ int *seen, *order;
+#endif
+
+ /* Does this happen? */
+ if ( maxcolors > ncolors ) {
+ maxcolors = ncolors;
+ }
+
+#ifdef SIMPLE_COMPRESSION
+ /* Just copy the first "maxcolors" colors */
+ for ( j=10, i=0; i<maxcolors; ++i, ++j ) {
+ SDL_colors[j].peRed = colors[i].r;
+ SDL_colors[j].peGreen = colors[i].g;
+ SDL_colors[j].peBlue = colors[i].b;
+ }
+#else
+ /* Allocate memory for the arrays we use */
+ pool = SDL_stack_alloc(int, 2*ncolors);
+ if ( pool == NULL ) {
+ /* No worries, just return */;
+ return;
+ }
+ seen = pool;
+ SDL_memset(seen, 0, ncolors*sizeof(int));
+ order = pool+ncolors;
+
+ /* Start with the brightest color */
+ max = 0;
+ for ( i=0; i<ncolors; ++i ) {
+ dist = CS_CS_DIST(zero, colors[i]);
+ if ( dist >= max ) {
+ max = dist;
+ next = i;
+ }
+ }
+ j = 0;
+ order[j++] = next;
+ seen[next] = 1;
+ prev = next;
+
+ /* Keep going through all the colors */
+ while ( j < maxcolors ) {
+ max = 0;
+ for ( i=0; i<ncolors; ++i ) {
+ if ( seen[i] ) {
+ continue;
+ }
+ dist = CS_CS_DIST(colors[i], colors[prev]);
+ if ( dist >= max ) {
+ max = dist;
+ next = i;
+ }
+ }
+ order[j++] = next;
+ seen[next] = 1;
+ prev = next;
+ }
+
+ /* Compress the colors to the palette */
+ for ( j=10, i=0; i<maxcolors; ++i, ++j ) {
+ SDL_colors[j].peRed = colors[order[i]].r;
+ SDL_colors[j].peGreen = colors[order[i]].g;
+ SDL_colors[j].peBlue = colors[order[i]].b;
+ }
+ SDL_stack_free(pool);
+#endif /* SIMPLE_COMPRESSION */
+}
+
+/* Set the system colormap in both fullscreen and windowed modes */
+int DX5_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
+{
+ int i;
+ int alloct_all;
+
+ /* Copy palette colors into display palette */
+ alloct_all = 0;
+ if ( SDL_palette != NULL ) {
+ if ( (this->screen->flags&SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
+ /* We can set all entries explicitly */
+ for ( i=0; i< ncolors; ++i ) {
+ int j = firstcolor + i;
+ SDL_colors[j].peRed = colors[i].r;
+ SDL_colors[j].peGreen = colors[i].g;
+ SDL_colors[j].peBlue = colors[i].b;
+ }
+ /* This sends an WM_PALETTECHANGED message to us */
+ colorchange_expected = 1;
+ IDirectDrawPalette_SetEntries(SDL_palette, 0,
+ firstcolor, ncolors, &SDL_colors[firstcolor]);
+ alloct_all = 1;
+ } else {
+ /* Grab the 236 most diverse colors in the palette */
+ DX5_CompressPalette(this, colors, ncolors, 236);
+ /* This sends an WM_PALETTECHANGED message to us */
+ colorchange_expected = 1;
+ IDirectDrawPalette_SetEntries(SDL_palette, 0,
+ 0, 256, SDL_colors);
+ }
+ }
+ return(alloct_all);
+}
+
+/* Gamma code is only available on DirectX 7 and newer */
+static int DX5_SetGammaRamp(_THIS, Uint16 *ramp)
+{
+#ifdef IDirectDrawGammaControl_SetGammaRamp
+ LPDIRECTDRAWGAMMACONTROL gamma;
+ DDGAMMARAMP gamma_ramp;
+ HRESULT result;
+#endif
+
+ /* In windowed or OpenGL mode, use windib gamma code */
+ if ( ! DDRAW_FULLSCREEN() ) {
+ return DIB_SetGammaRamp(this, ramp);
+ }
+
+#ifndef IDirectDrawGammaControl_SetGammaRamp
+ SDL_SetError("SDL compiled without DirectX gamma ramp support");
+ return -1;
+#else
+ /* Check for a video mode! */
+ if ( ! SDL_primary ) {
+ SDL_SetError("A video mode must be set for gamma correction");
+ return(-1);
+ }
+
+ /* Get the gamma control object */
+ result = IDirectDrawSurface3_QueryInterface(SDL_primary,
+ &IID_IDirectDrawGammaControl, (LPVOID *)&gamma);
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDrawSurface3::QueryInterface(GAMMA)", result);
+ return(-1);
+ }
+
+ /* Set up the gamma ramp */
+ SDL_memcpy(gamma_ramp.red, &ramp[0*256], 256*sizeof(*ramp));
+ SDL_memcpy(gamma_ramp.green, &ramp[1*256], 256*sizeof(*ramp));
+ SDL_memcpy(gamma_ramp.blue, &ramp[2*256], 256*sizeof(*ramp));
+ result = IDirectDrawGammaControl_SetGammaRamp(gamma, 0, &gamma_ramp);
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDrawGammaControl::SetGammaRamp()", result);
+ }
+
+ /* Release the interface and return */
+ IDirectDrawGammaControl_Release(gamma);
+ return (result == DD_OK) ? 0 : -1;
+#endif /* !IDirectDrawGammaControl_SetGammaRamp */
+}
+
+static int DX5_GetGammaRamp(_THIS, Uint16 *ramp)
+{
+#ifdef IDirectDrawGammaControl_SetGammaRamp
+ LPDIRECTDRAWGAMMACONTROL gamma;
+ DDGAMMARAMP gamma_ramp;
+ HRESULT result;
+#endif
+
+ /* In windowed or OpenGL mode, use windib gamma code */
+ if ( ! DDRAW_FULLSCREEN() ) {
+ return DIB_GetGammaRamp(this, ramp);
+ }
+
+#ifndef IDirectDrawGammaControl_SetGammaRamp
+ SDL_SetError("SDL compiled without DirectX gamma ramp support");
+ return -1;
+#else
+ /* Check for a video mode! */
+ if ( ! SDL_primary ) {
+ SDL_SetError("A video mode must be set for gamma correction");
+ return(-1);
+ }
+
+ /* Get the gamma control object */
+ result = IDirectDrawSurface3_QueryInterface(SDL_primary,
+ &IID_IDirectDrawGammaControl, (LPVOID *)&gamma);
+ if ( result != DD_OK ) {
+ SetDDerror("DirectDrawSurface3::QueryInterface(GAMMA)", result);
+ return(-1);
+ }
+
+ /* Set up the gamma ramp */
+ result = IDirectDrawGammaControl_GetGammaRamp(gamma, 0, &gamma_ramp);
+ if ( result == DD_OK ) {
+ SDL_memcpy(&ramp[0*256], gamma_ramp.red, 256*sizeof(*ramp));
+ SDL_memcpy(&ramp[1*256], gamma_ramp.green, 256*sizeof(*ramp));
+ SDL_memcpy(&ramp[2*256], gamma_ramp.blue, 256*sizeof(*ramp));
+ } else {
+ SetDDerror("DirectDrawGammaControl::GetGammaRamp()", result);
+ }
+
+ /* Release the interface and return */
+ IDirectDrawGammaControl_Release(gamma);
+ return (result == DD_OK) ? 0 : -1;
+#endif /* !IDirectDrawGammaControl_SetGammaRamp */
+}
+
+void DX5_VideoQuit(_THIS)
+{
+ int i, j;
+
+ /* If we're fullscreen GL, we need to reset the display */
+ if ( this->screen != NULL ) {
+#ifndef NO_CHANGEDISPLAYSETTINGS
+ if ( (this->screen->flags & (SDL_OPENGL|SDL_FULLSCREEN)) ==
+ (SDL_OPENGL|SDL_FULLSCREEN) ) {
+ ChangeDisplaySettings(NULL, 0);
+ ShowWindow(SDL_Window, SW_HIDE);
+ }
+#endif
+ if ( this->screen->flags & SDL_OPENGL ) {
+ WIN_GL_ShutDown(this);
+ }
+ }
+
+ /* Free any palettes we used */
+ if ( SDL_palette != NULL ) {
+ IDirectDrawPalette_Release(SDL_palette);
+ SDL_palette = NULL;
+ }
+
+ /* Allow the primary surface to be freed */
+ if ( SDL_primary != NULL ) {
+ SDL_primary = NULL;
+ }
+
+ /* Free video mode lists */
+ for ( i=0; i<NUM_MODELISTS; ++i ) {
+ if ( SDL_modelist[i] != NULL ) {
+ for ( j=0; SDL_modelist[i][j]; ++j )
+ SDL_free(SDL_modelist[i][j]);
+ SDL_free(SDL_modelist[i]);
+ SDL_modelist[i] = NULL;
+ }
+ }
+
+ /* Free the window */
+ DIB_QuitGamma(this);
+ if ( SDL_Window ) {
+ DX5_DestroyWindow(this);
+ }
+
+ /* Free our window icon */
+ if ( screen_icn ) {
+ DestroyIcon(screen_icn);
+ screen_icn = NULL;
+ }
+}
+
+/* Exported for the windows message loop only */
+void DX5_Activate(_THIS, BOOL active, BOOL minimized)
+{
+}
+void DX5_RealizePalette(_THIS)
+{
+ if ( SDL_palette ) {
+ IDirectDrawSurface3_SetPalette(SDL_primary, SDL_palette);
+ }
+}
+static void DX5_Recolor8Bit(_THIS, SDL_Surface *surface, Uint8 *mapping)
+{
+ int row, col;
+ Uint8 *pixels;
+
+ if ( surface->w && surface->h ) {
+ if ( (surface->flags & SDL_HWSURFACE) == SDL_HWSURFACE ) {
+ if ( this->LockHWSurface(this, surface) < 0 ) {
+ return;
+ }
+ }
+ for ( row=0; row<surface->h; ++row ) {
+ pixels = (Uint8 *)surface->pixels+row*surface->pitch;
+ for ( col=0; col<surface->w; ++col, ++pixels ) {
+ *pixels = mapping[*pixels];
+ }
+ }
+ if ( (surface->flags & SDL_HWSURFACE) == SDL_HWSURFACE ) {
+ this->UnlockHWSurface(this, surface);
+ }
+ SDL_UpdateRect(surface, 0, 0, 0, 0);
+ }
+}
+void DX5_PaletteChanged(_THIS, HWND window)
+{
+ SDL_Palette *palette;
+ SDL_Color *saved = NULL;
+ HDC hdc;
+ int i;
+ PALETTEENTRY *entries;
+
+ /* This is true when the window is closing */
+ if ( (SDL_primary == NULL) || (SDL_VideoSurface == NULL) )
+ return;
+
+ /* We need to get the colors as they were set */
+ palette = this->physpal;
+ if(!palette)
+ palette = SDL_VideoSurface->format->palette;
+ if ( palette == NULL ) { /* Sometimes we don't have a palette */
+ return;
+ }
+ entries = SDL_stack_alloc(PALETTEENTRY, palette->ncolors);
+ hdc = GetDC(window);
+ GetSystemPaletteEntries(hdc, 0, palette->ncolors, entries);
+ ReleaseDC(window, hdc);
+ if ( ! colorchange_expected ) {
+ saved = SDL_stack_alloc(SDL_Color, palette->ncolors);
+ SDL_memcpy(saved, palette->colors,
+ palette->ncolors*sizeof(SDL_Color));
+ }
+ for ( i=0; i<palette->ncolors; ++i ) {
+ palette->colors[i].r = entries[i].peRed;
+ palette->colors[i].g = entries[i].peGreen;
+ palette->colors[i].b = entries[i].peBlue;
+ }
+ SDL_stack_free(entries);
+ if ( ! colorchange_expected ) {
+ Uint8 mapping[256];
+
+ SDL_memset(mapping, 0, sizeof(mapping));
+ for ( i=0; i<palette->ncolors; ++i ) {
+ mapping[i] = SDL_FindColor(palette,
+ saved[i].r, saved[i].g, saved[i].b);
+ }
+ DX5_Recolor8Bit(this, SDL_VideoSurface, mapping);
+ SDL_stack_free(saved);
+ }
+ colorchange_expected = 0;
+
+ /* Notify all mapped surfaces of the change */
+ SDL_FormatChanged(SDL_VideoSurface);
+}
+
+/* Exported for the windows message loop only */
+void DX5_WinPAINT(_THIS, HDC hdc)
+{
+ SDL_UpdateRect(SDL_PublicSurface, 0, 0, 0, 0);
+}