e14743d1 |
1 | /* |
2 | SDL - Simple DirectMedia Layer |
3 | Copyright (C) 1997-2009 Sam Lantinga |
4 | |
5 | This library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | This library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with this library; if not, write to the Free Software |
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
18 | |
19 | Sam Lantinga |
20 | slouken@libsdl.org |
21 | */ |
22 | #include "SDL_config.h" |
23 | |
24 | #ifndef _SDL_gapivideo_h |
25 | #define _SDL_gapivideo_h |
26 | |
27 | #include "SDL_mouse.h" |
28 | #include "SDL_mutex.h" |
29 | #include "../SDL_sysvideo.h" |
30 | #include "../windib/SDL_gapidibvideo.h" |
31 | |
32 | /* From gx.h, since it's not really C compliant */ |
33 | |
34 | struct GXDisplayProperties { |
35 | DWORD cxWidth; |
36 | DWORD cyHeight; // notice lack of 'th' in the word height. |
37 | long cbxPitch; // number of bytes to move right one x pixel - can be negative. |
38 | long cbyPitch; // number of bytes to move down one y pixel - can be negative. |
39 | long cBPP; // # of bits in each pixel |
40 | DWORD ffFormat; // format flags. |
41 | }; |
42 | |
43 | struct GXKeyList { |
44 | short vkUp; // key for up |
45 | POINT ptUp; // x,y position of key/button. Not on screen but in screen coordinates. |
46 | short vkDown; |
47 | POINT ptDown; |
48 | short vkLeft; |
49 | POINT ptLeft; |
50 | short vkRight; |
51 | POINT ptRight; |
52 | short vkA; |
53 | POINT ptA; |
54 | short vkB; |
55 | POINT ptB; |
56 | short vkC; |
57 | POINT ptC; |
58 | short vkStart; |
59 | POINT ptStart; |
60 | }; |
61 | |
62 | typedef int (*PFNGXOpenDisplay)(HWND hWnd, DWORD dwFlags); |
63 | typedef int (*PFNGXCloseDisplay)(); |
64 | typedef void* (*PFNGXBeginDraw)(); |
65 | typedef int (*PFNGXEndDraw)(); |
66 | typedef int (*PFNGXOpenInput)(); |
67 | typedef int (*PFNGXCloseInput)(); |
68 | typedef struct GXDisplayProperties (*PFNGXGetDisplayProperties)(); |
69 | typedef struct GXKeyList (*PFNGXGetDefaultKeys)(int iOptions); |
70 | typedef int (*PFNGXSuspend)(); |
71 | typedef int (*PFNGXResume)(); |
72 | typedef int (*PFNGXSetViewport)( DWORD dwTop, DWORD dwHeight, DWORD dwReserved1, DWORD dwReserved2 ); |
73 | typedef BOOL (*PFNGXIsDisplayDRAMBuffer)(); |
74 | |
75 | struct GapiFunc |
76 | { |
77 | PFNGXOpenDisplay GXOpenDisplay; |
78 | PFNGXCloseDisplay GXCloseDisplay; |
79 | PFNGXBeginDraw GXBeginDraw; |
80 | PFNGXEndDraw GXEndDraw; |
81 | PFNGXOpenInput GXOpenInput; |
82 | PFNGXCloseInput GXCloseInput; |
83 | PFNGXGetDisplayProperties GXGetDisplayProperties; |
84 | PFNGXGetDefaultKeys GXGetDefaultKeys; |
85 | PFNGXSuspend GXSuspend; |
86 | PFNGXResume GXResume; |
87 | PFNGXSetViewport GXSetViewport; |
88 | PFNGXIsDisplayDRAMBuffer GXIsDisplayDRAMBuffer; |
89 | }; |
90 | |
91 | #define kfLandscape 0x8 // Screen is rotated 270 degrees |
92 | #define kfPalette 0x10 // Pixel values are indexes into a palette |
93 | #define kfDirect 0x20 // Pixel values contain actual level information |
94 | #define kfDirect555 0x40 // 5 bits each for red, green and blue values in a pixel. |
95 | #define kfDirect565 0x80 // 5 red bits, 6 green bits and 5 blue bits per pixel |
96 | #define kfDirect888 0x100 // 8 bits each for red, green and blue values in a pixel. |
97 | #define kfDirect444 0x200 // 4 red, 4 green, 4 blue |
98 | #define kfDirectInverted 0x400 |
99 | |
100 | #define GX_FULLSCREEN 0x01 // for OpenDisplay() |
101 | #define GX_NORMALKEYS 0x02 |
102 | #define GX_LANDSCAPEKEYS 0x03 |
103 | |
104 | |
105 | /* GAPI video mode */ |
106 | typedef enum { |
107 | GAPI_NONE = 0, |
108 | GAPI_DIRECT_565, |
109 | GAPI_DIRECT_555, |
110 | GAPI_MONO, |
111 | GAPI_PALETTE |
112 | } GAPIVideoMode; |
113 | |
114 | typedef unsigned short PIXEL; |
115 | |
116 | /* Private display data |
117 | begin with DIB private structure to allow DIB events code sharing |
118 | */ |
119 | struct GapiInfo { |
120 | /* Rotation which has to be applied to the key (arrow keys) and mouse events measured in quarters of a circle |
121 | * counter clockwise */ |
122 | int coordinateTransform; |
123 | char hiresFix; /* using hires mode without defining hires resource */ |
124 | int invert; //TODO this is only written but never read, so it should be removed |
125 | |
126 | #define NUM_MODELISTS 4 /* 8, 16, 24, and 32 bits-per-pixel */ |
127 | int SDL_nummodes[NUM_MODELISTS]; |
128 | SDL_Rect **SDL_modelist[NUM_MODELISTS]; |
129 | |
130 | |
131 | // The orientation of the video mode user wants to get |
132 | // Probably restricted to UP and RIGHT |
133 | SDL_ScreenOrientation userOrientation; |
134 | SDL_ScreenOrientation systemOrientation; |
135 | // -------------- |
136 | int useGXOpenDisplay; /* use GXOpenDispplay */ |
137 | int alreadyGXOpened; |
138 | int w, h; |
139 | // The orientation of GAPI framebuffer. |
140 | // Never changes on the same device. |
141 | SDL_ScreenOrientation gapiOrientation; |
142 | |
143 | void *buffer; // may be 8, 16, 24, 32 bpp |
144 | PIXEL *videoMem; |
145 | BOOL needUpdate; |
146 | struct GXKeyList keyList; |
147 | struct GapiFunc gxFunc; |
148 | struct GXDisplayProperties gxProperties; |
149 | GAPIVideoMode videoMode; |
150 | int colorscale; |
151 | int dstLineStep; // in bytes |
152 | int dstPixelStep; // in bytes |
153 | int startOffset; // in bytes |
154 | int useVga; |
155 | int suspended; // do not pu anything into video memory |
156 | }; |
157 | |
158 | |
159 | |
160 | #endif /* _SDL_gapivideo_h */ |