This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
/
SDL_DirectFB_video.c
290 lines (225 loc) · 8.19 KB
/
SDL_DirectFB_video.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2010 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
SDL1.3 implementation by couriersud@arcor.de
*/
#include "SDL_config.h"
/* DirectFB video driver implementation.
*/
#include <fcntl.h>
#include <unistd.h>
#include <sys/mman.h>
#include <directfb.h>
#include <directfb_version.h>
#include <directfb_strings.h>
#include "SDL_video.h"
#include "SDL_mouse.h"
#include "../SDL_sysvideo.h"
#include "../SDL_pixels_c.h"
#include "../../events/SDL_events_c.h"
#include "SDL_DirectFB_video.h"
#include "SDL_DirectFB_events.h"
#include "SDL_DirectFB_render.h"
#include "SDL_DirectFB_mouse.h"
#include "SDL_DirectFB_dyn.h"
/* Initialization/Query functions */
static int DirectFB_VideoInit(_THIS);
static void DirectFB_VideoQuit(_THIS);
static int DirectFB_Available(void);
static SDL_VideoDevice *DirectFB_CreateDevice(int devindex);
VideoBootStrap DirectFB_bootstrap = {
"directfb", "DirectFB",
DirectFB_Available, DirectFB_CreateDevice
};
/* DirectFB driver bootstrap functions */
static int
DirectFB_Available(void)
{
if (!SDL_DirectFB_LoadLibrary())
return 0;
SDL_DirectFB_UnLoadLibrary();
return 1;
}
static void
DirectFB_DeleteDevice(SDL_VideoDevice * device)
{
SDL_DirectFB_UnLoadLibrary();
SDL_DFB_FREE(device->driverdata);
SDL_DFB_FREE(device);
}
static SDL_VideoDevice *
DirectFB_CreateDevice(int devindex)
{
SDL_VideoDevice *device;
if (!SDL_DirectFB_LoadLibrary())
return NULL;
/* Initialize all variables that we clean on shutdown */
SDL_DFB_CALLOC(device, 1, sizeof(SDL_VideoDevice));
/* Set the function pointers */
/* Set the function pointers */
device->VideoInit = DirectFB_VideoInit;
device->VideoQuit = DirectFB_VideoQuit;
device->GetDisplayModes = DirectFB_GetDisplayModes;
device->SetDisplayMode = DirectFB_SetDisplayMode;
device->PumpEvents = DirectFB_PumpEventsWindow;
device->CreateWindow = DirectFB_CreateWindow;
device->CreateWindowFrom = DirectFB_CreateWindowFrom;
device->SetWindowTitle = DirectFB_SetWindowTitle;
device->SetWindowIcon = DirectFB_SetWindowIcon;
device->SetWindowPosition = DirectFB_SetWindowPosition;
device->SetWindowSize = DirectFB_SetWindowSize;
device->ShowWindow = DirectFB_ShowWindow;
device->HideWindow = DirectFB_HideWindow;
device->RaiseWindow = DirectFB_RaiseWindow;
device->MaximizeWindow = DirectFB_MaximizeWindow;
device->MinimizeWindow = DirectFB_MinimizeWindow;
device->RestoreWindow = DirectFB_RestoreWindow;
device->SetWindowGrab = DirectFB_SetWindowGrab;
device->DestroyWindow = DirectFB_DestroyWindow;
device->GetWindowWMInfo = DirectFB_GetWindowWMInfo;
#if SDL_DIRECTFB_OPENGL
device->GL_LoadLibrary = DirectFB_GL_LoadLibrary;
device->GL_GetProcAddress = DirectFB_GL_GetProcAddress;
device->GL_MakeCurrent = DirectFB_GL_MakeCurrent;
device->GL_CreateContext = DirectFB_GL_CreateContext;
device->GL_SetSwapInterval = DirectFB_GL_SetSwapInterval;
device->GL_GetSwapInterval = DirectFB_GL_GetSwapInterval;
device->GL_SwapWindow = DirectFB_GL_SwapWindow;
device->GL_DeleteContext = DirectFB_GL_DeleteContext;
#endif
device->free = DirectFB_DeleteDevice;
return device;
error:
if (device)
free(device);
return (0);
}
static const DirectFBSurfaceDrawingFlagsNames(drawing_flags);
static const DirectFBSurfaceBlittingFlagsNames(blitting_flags);
static const DirectFBAccelerationMaskNames(acceleration_mask);
static void
DirectFB_DeviceInformation(IDirectFB * dfb)
{
DFBGraphicsDeviceDescription desc;
int n;
dfb->GetDeviceDescription(dfb, &desc);
fprintf(LOG_CHANNEL, "DirectFB Device Information\n");
fprintf(LOG_CHANNEL, "===========================\n");
fprintf(LOG_CHANNEL, "Name: %s\n", desc.name);
fprintf(LOG_CHANNEL, "Vendor: %s\n", desc.vendor);
fprintf(LOG_CHANNEL, "Driver Name: %s\n", desc.driver.name);
fprintf(LOG_CHANNEL, "Driver Vendor: %s\n", desc.driver.vendor);
fprintf(LOG_CHANNEL, "Driver Version: %d.%d\n", desc.driver.major,
desc.driver.minor);
fprintf(LOG_CHANNEL, "\nVideo memoory: %d\n", desc.video_memory);
fprintf(LOG_CHANNEL, "\nBlitting flags:\n");
for (n = 0; blitting_flags[n].flag; n++) {
if (desc.blitting_flags & blitting_flags[n].flag)
printf(" %s\n", blitting_flags[n].name);
}
fprintf(LOG_CHANNEL, "\nDrawing flags:\n");
for (n = 0; drawing_flags[n].flag; n++) {
if (desc.drawing_flags & drawing_flags[n].flag)
printf(" %s\n", drawing_flags[n].name);
}
fprintf(LOG_CHANNEL, "\nAcceleration flags:\n");
for (n = 0; acceleration_mask[n].mask; n++) {
if (desc.acceleration_mask & acceleration_mask[n].mask)
printf(" %s\n", acceleration_mask[n].name);
}
}
static int
DirectFB_VideoInit(_THIS)
{
IDirectFB *dfb = NULL;
DFB_DeviceData *devdata = NULL;
char *stemp;
DFBResult ret;
SDL_DFB_CALLOC(devdata, 1, sizeof(*devdata));
SDL_DFB_CHECKERR(DirectFBInit(NULL, NULL));
/* avoid switching to the framebuffer when we
* are running X11 */
stemp = SDL_getenv(DFBENV_USE_X11_CHECK);
if (stemp)
ret = atoi(stemp);
else
ret = 1;
if (ret) {
if (SDL_getenv("DISPLAY"))
DirectFBSetOption("system", "x11");
else
DirectFBSetOption("disable-module", "x11input");
}
devdata->use_linux_input = 1; /* default: on */
stemp = SDL_getenv(DFBENV_USE_LINUX_INPUT);
if (stemp)
devdata->use_linux_input = atoi(stemp);
if (!devdata->use_linux_input)
DirectFBSetOption("disable-module", "linux_input");
SDL_DFB_CHECKERR(DirectFBCreate(&dfb));
DirectFB_DeviceInformation(dfb);
devdata->use_yuv_underlays = 0; /* default: off */
stemp = SDL_getenv(DFBENV_USE_YUV_UNDERLAY);
if (stemp)
devdata->use_yuv_underlays = atoi(stemp);
/* Create global Eventbuffer for axis events */
if (devdata->use_linux_input) {
SDL_DFB_CHECKERR(dfb->CreateInputEventBuffer(dfb, DICAPS_ALL,
DFB_TRUE,
&devdata->events));
} else {
SDL_DFB_CHECKERR(dfb->CreateInputEventBuffer(dfb, DICAPS_AXES
/*DICAPS_ALL */ ,
DFB_TRUE,
&devdata->events));
}
devdata->initialized = 1;
/* simple window manager support */
stemp = SDL_getenv(DFBENV_USE_WM);
if (stemp)
devdata->has_own_wm = atoi(stemp);
else
devdata->has_own_wm = 0;
devdata->dfb = dfb;
devdata->firstwin = NULL;
_this->driverdata = devdata;
DirectFB_InitModes(_this);
#if SDL_DIRECTFB_OPENGL
DirectFB_GL_Initialize(_this);
#endif
DirectFB_AddRenderDriver(_this);
DirectFB_InitMouse(_this);
DirectFB_InitKeyboard(_this);
return 0;
error:
SDL_DFB_FREE(devdata);
SDL_DFB_RELEASE(dfb);
return -1;
}
static void
DirectFB_VideoQuit(_THIS)
{
DFB_DeviceData *devdata = (DFB_DeviceData *) _this->driverdata;
DirectFB_QuitModes(_this);
DirectFB_QuitKeyboard(_this);
DirectFB_QuitMouse(_this);
SDL_DFB_RELEASE(devdata->events);
SDL_DFB_RELEASE(devdata->dfb);
#if SDL_DIRECTFB_OPENGL
DirectFB_GL_Shutdown(_this);
#endif
devdata->initialized = 0;
}