This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
/
SDL_DirectFB_video.c
418 lines (336 loc) · 15 KB
1
/*
2
3
Simple DirectMedia Layer
Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org>
4
5
6
7
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
8
9
10
11
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
12
13
14
15
16
17
18
19
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
20
*/
21
22
23
24
25
26
27
28
29
30
31
32
33
#include "SDL_DirectFB_video.h"
#include "SDL_DirectFB_events.h"
/*
* #include "SDL_DirectFB_keyboard.h"
*/
#include "SDL_DirectFB_modes.h"
#include "SDL_DirectFB_mouse.h"
#include "SDL_DirectFB_opengl.h"
#include "SDL_DirectFB_window.h"
#include "SDL_DirectFB_WM.h"
34
35
#include "SDL_config.h"
36
37
38
39
40
41
42
43
44
/* DirectFB video driver implementation.
*/
#include <fcntl.h>
#include <unistd.h>
#include <sys/mman.h>
#include <directfb.h>
45
#include <directfb_version.h>
46
#include <directfb_strings.h>
47
48
49
#include "SDL_video.h"
#include "SDL_mouse.h"
50
51
52
#include "../SDL_sysvideo.h"
#include "../SDL_pixels_c.h"
#include "../../events/SDL_events_c.h"
53
54
#include "SDL_DirectFB_video.h"
#include "SDL_DirectFB_events.h"
55
56
#include "SDL_DirectFB_render.h"
#include "SDL_DirectFB_mouse.h"
57
58
#include "SDL_DirectFB_shape.h"
59
60
61
#include "SDL_DirectFB_dyn.h"
62
63
64
65
/* Initialization/Query functions */
static int DirectFB_VideoInit(_THIS);
static void DirectFB_VideoQuit(_THIS);
66
67
static int DirectFB_Available(void);
static SDL_VideoDevice *DirectFB_CreateDevice(int devindex);
68
69
70
71
72
VideoBootStrap DirectFB_bootstrap = {
"directfb", "DirectFB",
DirectFB_Available, DirectFB_CreateDevice
};
73
74
75
76
77
static const DirectFBSurfaceDrawingFlagsNames(drawing_flags);
static const DirectFBSurfaceBlittingFlagsNames(blitting_flags);
static const DirectFBAccelerationMaskNames(acceleration_mask);
78
79
/* DirectFB driver bootstrap functions */
80
81
static int
DirectFB_Available(void)
82
{
83
84
85
if (!SDL_DirectFB_LoadLibrary())
return 0;
SDL_DirectFB_UnLoadLibrary();
86
return 1;
87
88
}
89
90
static void
DirectFB_DeleteDevice(SDL_VideoDevice * device)
91
{
92
93
94
SDL_DirectFB_UnLoadLibrary();
SDL_DFB_FREE(device->driverdata);
SDL_DFB_FREE(device);
95
96
}
97
98
static SDL_VideoDevice *
DirectFB_CreateDevice(int devindex)
99
{
100
101
SDL_VideoDevice *device;
102
103
104
if (!SDL_DirectFB_LoadLibrary())
return NULL;
105
/* Initialize all variables that we clean on shutdown */
106
SDL_DFB_ALLOC_CLEAR(device, sizeof(SDL_VideoDevice));
107
108
/* Set the function pointers */
109
110
111
112
/* Set the function pointers */
device->VideoInit = DirectFB_VideoInit;
device->VideoQuit = DirectFB_VideoQuit;
113
114
115
116
117
118
device->GetDisplayModes = DirectFB_GetDisplayModes;
device->SetDisplayMode = DirectFB_SetDisplayMode;
device->PumpEvents = DirectFB_PumpEventsWindow;
device->CreateWindow = DirectFB_CreateWindow;
device->CreateWindowFrom = DirectFB_CreateWindowFrom;
device->SetWindowTitle = DirectFB_SetWindowTitle;
119
device->SetWindowIcon = DirectFB_SetWindowIcon;
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
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
144
145
146
147
148
149
/* Shaped window support */
device->shape_driver.CreateShaper = DirectFB_CreateShaper;
device->shape_driver.SetWindowShape = DirectFB_SetWindowShape;
device->shape_driver.ResizeWindowShape = DirectFB_ResizeWindowShape;
150
device->free = DirectFB_DeleteDevice;
151
152
return device;
153
154
155
156
error:
if (device)
free(device);
return (0);
157
158
}
159
160
161
162
163
164
165
166
static void
DirectFB_DeviceInformation(IDirectFB * dfb)
{
DFBGraphicsDeviceDescription desc;
int n;
dfb->GetDeviceDescription(dfb, &desc);
167
168
169
170
171
172
173
SDL_DFB_LOG( "DirectFB Device Information");
SDL_DFB_LOG( "===========================");
SDL_DFB_LOG( "Name: %s", desc.name);
SDL_DFB_LOG( "Vendor: %s", desc.vendor);
SDL_DFB_LOG( "Driver Name: %s", desc.driver.name);
SDL_DFB_LOG( "Driver Vendor: %s", desc.driver.vendor);
SDL_DFB_LOG( "Driver Version: %d.%d", desc.driver.major,
174
175
desc.driver.minor);
176
SDL_DFB_LOG( "Video memoory: %d", desc.video_memory);
177
178
SDL_DFB_LOG( "Blitting flags:");
179
180
for (n = 0; blitting_flags[n].flag; n++) {
if (desc.blitting_flags & blitting_flags[n].flag)
181
SDL_DFB_LOG( " %s", blitting_flags[n].name);
182
183
}
184
SDL_DFB_LOG( "Drawing flags:");
185
186
for (n = 0; drawing_flags[n].flag; n++) {
if (desc.drawing_flags & drawing_flags[n].flag)
187
SDL_DFB_LOG( " %s", drawing_flags[n].name);
188
189
}
190
191
SDL_DFB_LOG( "Acceleration flags:");
192
193
for (n = 0; acceleration_mask[n].mask; n++) {
if (desc.acceleration_mask & acceleration_mask[n].mask)
194
SDL_DFB_LOG( " %s", acceleration_mask[n].name);
195
196
197
198
199
}
}
200
201
202
203
204
205
206
207
208
209
210
static int readBoolEnv(const char *env_name, int def_val)
{
char *stemp;
stemp = SDL_getenv(env_name);
if (stemp)
return atoi(stemp);
else
return def_val;
}
211
212
static int
DirectFB_VideoInit(_THIS)
213
{
214
IDirectFB *dfb = NULL;
215
DFB_DeviceData *devdata = NULL;
216
DFBResult ret;
217
218
SDL_DFB_ALLOC_CLEAR(devdata, sizeof(*devdata));
219
220
SDL_DFB_CHECKERR(DirectFBInit(NULL, NULL));
221
222
223
/* avoid switching to the framebuffer when we
* are running X11 */
224
ret = readBoolEnv(DFBENV_USE_X11_CHECK , 1);
225
if (ret) {
226
if (SDL_getenv("DISPLAY"))
227
228
229
230
231
DirectFBSetOption("system", "x11");
else
DirectFBSetOption("disable-module", "x11input");
}
232
/* FIXME: Reenable as default once multi kbd/mouse interface is sorted out */
233
devdata->use_linux_input = readBoolEnv(DFBENV_USE_LINUX_INPUT, 0); /* default: on */
234
235
if (!devdata->use_linux_input)
236
237
{
SDL_DFB_LOG("Disabling linxu input\n");
238
DirectFBSetOption("disable-module", "linux_input");
239
240
}
241
SDL_DFB_CHECKERR(DirectFBCreate(&dfb));
242
243
DirectFB_DeviceInformation(dfb);
244
245
246
devdata->use_yuv_underlays = readBoolEnv(DFBENV_USE_YUV_UNDERLAY, 0); /* default: off */
devdata->use_yuv_direct = readBoolEnv(DFBENV_USE_YUV_DIRECT, 0); /* default is off! */
247
248
/* Create global Eventbuffer for axis events */
249
if (devdata->use_linux_input) {
250
251
252
SDL_DFB_CHECKERR(dfb->CreateInputEventBuffer(dfb, DICAPS_ALL,
DFB_TRUE,
&devdata->events));
253
} else {
254
255
256
257
SDL_DFB_CHECKERR(dfb->CreateInputEventBuffer(dfb, DICAPS_AXES
/*DICAPS_ALL */ ,
DFB_TRUE,
&devdata->events));
258
}
259
260
/* simple window manager support */
261
262
263
devdata->has_own_wm = readBoolEnv(DFBENV_USE_WM, 0);
devdata->initialized = 1;
264
265
266
devdata->dfb = dfb;
devdata->firstwin = NULL;
267
devdata->grabbed_window = NULL;
268
269
_this->driverdata = devdata;
270
271
DirectFB_InitModes(_this);
272
273
#if SDL_DIRECTFB_OPENGL
274
DirectFB_GL_Initialize(_this);
275
#endif
276
277
DirectFB_InitMouse(_this);
278
DirectFB_InitKeyboard(_this);
279
280
return 0;
281
282
283
error:
284
SDL_DFB_FREE(devdata);
285
286
SDL_DFB_RELEASE(dfb);
return -1;
287
288
}
289
290
static void
DirectFB_VideoQuit(_THIS)
291
{
292
293
DFB_DeviceData *devdata = (DFB_DeviceData *) _this->driverdata;
294
295
296
DirectFB_QuitModes(_this);
DirectFB_QuitKeyboard(_this);
DirectFB_QuitMouse(_this);
297
298
devdata->events->Reset(devdata->events);
299
SDL_DFB_RELEASE(devdata->events);
300
SDL_DFB_RELEASE(devdata->dfb);
301
302
#if SDL_DIRECTFB_OPENGL
303
DirectFB_GL_Shutdown(_this);
304
#endif
305
306
307
devdata->initialized = 0;
}
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
/* DirectFB driver general support functions */
static const struct {
DFBSurfacePixelFormat dfb;
Uint32 sdl;
} pixelformat_tab[] =
{
{ DSPF_RGB32, SDL_PIXELFORMAT_RGB888 }, /* 24 bit RGB (4 byte, nothing@24, red 8@16, green 8@8, blue 8@0) */
{ DSPF_ARGB, SDL_PIXELFORMAT_ARGB8888 }, /* 32 bit ARGB (4 byte, alpha 8@24, red 8@16, green 8@8, blue 8@0) */
{ DSPF_RGB16, SDL_PIXELFORMAT_RGB565 }, /* 16 bit RGB (2 byte, red 5@11, green 6@5, blue 5@0) */
{ DSPF_RGB332, SDL_PIXELFORMAT_RGB332 }, /* 8 bit RGB (1 byte, red 3@5, green 3@2, blue 2@0) */
{ DSPF_ARGB4444, SDL_PIXELFORMAT_ARGB4444 }, /* 16 bit ARGB (2 byte, alpha 4@12, red 4@8, green 4@4, blue 4@0) */
{ DSPF_ARGB1555, SDL_PIXELFORMAT_ARGB1555 }, /* 16 bit ARGB (2 byte, alpha 1@15, red 5@10, green 5@5, blue 5@0) */
{ DSPF_RGB24, SDL_PIXELFORMAT_RGB24 }, /* 24 bit RGB (3 byte, red 8@16, green 8@8, blue 8@0) */
{ DSPF_RGB444, SDL_PIXELFORMAT_RGB444 }, /* 16 bit RGB (2 byte, nothing @12, red 4@8, green 4@4, blue 4@0) */
{ DSPF_YV12, SDL_PIXELFORMAT_YV12 }, /* 12 bit YUV (8 bit Y plane followed by 8 bit quarter size V/U planes) */
{ DSPF_I420,SDL_PIXELFORMAT_IYUV }, /* 12 bit YUV (8 bit Y plane followed by 8 bit quarter size U/V planes) */
{ DSPF_YUY2, SDL_PIXELFORMAT_YUY2 }, /* 16 bit YUV (4 byte/ 2 pixel, macropixel contains CbYCrY [31:0]) */
{ DSPF_UYVY, SDL_PIXELFORMAT_UYVY }, /* 16 bit YUV (4 byte/ 2 pixel, macropixel contains YCbYCr [31:0]) */
{ DSPF_RGB555, SDL_PIXELFORMAT_RGB555 }, /* 16 bit RGB (2 byte, nothing @15, red 5@10, green 5@5, blue 5@0) */
#if (ENABLE_LUT8)
{ DSPF_LUT8, SDL_PIXELFORMAT_INDEX8 }, /* 8 bit LUT (8 bit color and alpha lookup from palette) */
#endif
#if (DFB_VERSION_ATLEAST(1,2,0))
{ DSPF_BGR555, SDL_PIXELFORMAT_BGR555 }, /* 16 bit BGR (2 byte, nothing @15, blue 5@10, green 5@5, red 5@0) */
#else
{ DSPF_UNKNOWN, SDL_PIXELFORMAT_BGR555 },
#endif
/* Pfff ... nonmatching formats follow */
{ DSPF_ALUT44, SDL_PIXELFORMAT_UNKNOWN }, /* 8 bit ALUT (1 byte, alpha 4@4, color lookup 4@0) */
{ DSPF_A8, SDL_PIXELFORMAT_UNKNOWN }, /* 8 bit alpha (1 byte, alpha 8@0), e.g. anti-aliased glyphs */
{ DSPF_AiRGB, SDL_PIXELFORMAT_UNKNOWN }, /* 32 bit ARGB (4 byte, inv. alpha 8@24, red 8@16, green 8@8, blue 8@0) */
{ DSPF_A1, SDL_PIXELFORMAT_UNKNOWN }, /* 1 bit alpha (1 byte/ 8 pixel, most significant bit used first) */
{ DSPF_NV12, SDL_PIXELFORMAT_UNKNOWN }, /* 12 bit YUV (8 bit Y plane followed by one 16 bit quarter size CbCr [15:0] plane) */
{ DSPF_NV16, SDL_PIXELFORMAT_UNKNOWN }, /* 16 bit YUV (8 bit Y plane followed by one 16 bit half width CbCr [15:0] plane) */
{ DSPF_ARGB2554, SDL_PIXELFORMAT_UNKNOWN }, /* 16 bit ARGB (2 byte, alpha 2@14, red 5@9, green 5@4, blue 4@0) */
{ DSPF_NV21, SDL_PIXELFORMAT_UNKNOWN }, /* 12 bit YUV (8 bit Y plane followed by one 16 bit quarter size CrCb [15:0] plane) */
{ DSPF_AYUV, SDL_PIXELFORMAT_UNKNOWN }, /* 32 bit AYUV (4 byte, alpha 8@24, Y 8@16, Cb 8@8, Cr 8@0) */
{ DSPF_A4, SDL_PIXELFORMAT_UNKNOWN }, /* 4 bit alpha (1 byte/ 2 pixel, more significant nibble used first) */
{ DSPF_ARGB1666, SDL_PIXELFORMAT_UNKNOWN }, /* 1 bit alpha (3 byte/ alpha 1@18, red 6@16, green 6@6, blue 6@0) */
{ DSPF_ARGB6666, SDL_PIXELFORMAT_UNKNOWN }, /* 6 bit alpha (3 byte/ alpha 6@18, red 6@16, green 6@6, blue 6@0) */
{ DSPF_RGB18, SDL_PIXELFORMAT_UNKNOWN }, /* 6 bit RGB (3 byte/ red 6@16, green 6@6, blue 6@0) */
{ DSPF_LUT2, SDL_PIXELFORMAT_UNKNOWN }, /* 2 bit LUT (1 byte/ 4 pixel, 2 bit color and alpha lookup from palette) */
#if (DFB_VERSION_ATLEAST(1,3,0))
{ DSPF_RGBA4444, SDL_PIXELFORMAT_UNKNOWN }, /* 16 bit RGBA (2 byte, red 4@12, green 4@8, blue 4@4, alpha 4@0) */
#endif
#if (DFB_VERSION_ATLEAST(1,4,3))
{ DSPF_RGBA5551, SDL_PIXELFORMAT_UNKNOWN }, /* 16 bit RGBA (2 byte, red 5@11, green 5@6, blue 5@1, alpha 1@0) */
{ DSPF_YUV444P, SDL_PIXELFORMAT_UNKNOWN }, /* 24 bit full YUV planar (8 bit Y plane followed by an 8 bit Cb and an 8 bit Cr plane) */
{ DSPF_ARGB8565, SDL_PIXELFORMAT_UNKNOWN }, /* 24 bit ARGB (3 byte, alpha 8@16, red 5@11, green 6@5, blue 5@0) */
{ DSPF_AVYU, SDL_PIXELFORMAT_UNKNOWN }, /* 32 bit AVYU 4:4:4 (4 byte, alpha 8@24, Cr 8@16, Y 8@8, Cb 8@0) */
{ DSPF_VYU, SDL_PIXELFORMAT_UNKNOWN }, /* 24 bit VYU 4:4:4 (3 byte, Cr 8@16, Y 8@8, Cb 8@0) */
#endif
{ DSPF_UNKNOWN, SDL_PIXELFORMAT_INDEX1LSB },
{ DSPF_UNKNOWN, SDL_PIXELFORMAT_INDEX1MSB },
{ DSPF_UNKNOWN, SDL_PIXELFORMAT_INDEX4LSB },
{ DSPF_UNKNOWN, SDL_PIXELFORMAT_INDEX4MSB },
{ DSPF_UNKNOWN, SDL_PIXELFORMAT_BGR24 },
{ DSPF_UNKNOWN, SDL_PIXELFORMAT_BGR888 },
{ DSPF_UNKNOWN, SDL_PIXELFORMAT_RGBA8888 },
{ DSPF_UNKNOWN, SDL_PIXELFORMAT_ABGR8888 },
{ DSPF_UNKNOWN, SDL_PIXELFORMAT_BGRA8888 },
{ DSPF_UNKNOWN, SDL_PIXELFORMAT_ARGB2101010 },
{ DSPF_UNKNOWN, SDL_PIXELFORMAT_ABGR4444 },
{ DSPF_UNKNOWN, SDL_PIXELFORMAT_ABGR1555 },
{ DSPF_UNKNOWN, SDL_PIXELFORMAT_BGR565 },
{ DSPF_UNKNOWN, SDL_PIXELFORMAT_YVYU }, /**< Packed mode: Y0+V0+Y1+U0 (1 pla */
};
Uint32
DirectFB_DFBToSDLPixelFormat(DFBSurfacePixelFormat pixelformat)
{
int i;
for (i=0; pixelformat_tab[i].dfb != DSPF_UNKNOWN; i++)
if (pixelformat_tab[i].dfb == pixelformat)
{
return pixelformat_tab[i].sdl;
}
return SDL_PIXELFORMAT_UNKNOWN;
}
DFBSurfacePixelFormat
DirectFB_SDLToDFBPixelFormat(Uint32 format)
{
int i;
for (i=0; pixelformat_tab[i].dfb != DSPF_UNKNOWN; i++)
if (pixelformat_tab[i].sdl == format)
{
return pixelformat_tab[i].dfb;
}
return DSPF_UNKNOWN;
}
void DirectFB_SetSupportedPixelFormats(SDL_RendererInfo* ri)
{
int i, j;
for (i=0, j=0; pixelformat_tab[i].dfb != DSPF_UNKNOWN; i++)
if (pixelformat_tab[i].sdl != SDL_PIXELFORMAT_UNKNOWN)
ri->texture_formats[j++] = pixelformat_tab[i].sdl;
ri->num_texture_formats = j;
}