This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
SDL_photon_render.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
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2009 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
QNX Photon GUI SDL driver
Copyright (C) 2009 Mike Gorchak
(mike@malva.ua, lestat@i.com.ua)
*/
#include "SDL_config.h"
#include "../SDL_pixels_c.h"
#include "../SDL_yuv_sw_c.h"
#include "SDL_video.h"
#include "SDL_photon_render.h"
#include "SDL_photon.h"
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
static SDL_Renderer *photon_createrenderer(SDL_Window * window, Uint32 flags);
static int photon_displaymodechanged(SDL_Renderer * renderer);
static int photon_activaterenderer(SDL_Renderer * renderer);
static int photon_createtexture(SDL_Renderer * renderer,
SDL_Texture * texture);
static int photon_querytexturepixels(SDL_Renderer * renderer,
SDL_Texture * texture, void **pixels,
int *pitch);
static int photon_settexturepalette(SDL_Renderer * renderer,
SDL_Texture * texture,
const SDL_Color * colors, int firstcolor,
int ncolors);
static int photon_gettexturepalette(SDL_Renderer * renderer,
SDL_Texture * texture, SDL_Color * colors,
int firstcolor, int ncolors);
static int photon_settexturecolormod(SDL_Renderer * renderer,
SDL_Texture * texture);
static int photon_settexturealphamod(SDL_Renderer * renderer,
SDL_Texture * texture);
static int photon_settextureblendmode(SDL_Renderer * renderer,
SDL_Texture * texture);
static int photon_settexturescalemode(SDL_Renderer * renderer,
SDL_Texture * texture);
static int photon_updatetexture(SDL_Renderer * renderer,
SDL_Texture * texture, const SDL_Rect * rect,
const void *pixels, int pitch);
static int photon_locktexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, int markDirty,
void **pixels, int *pitch);
static void photon_unlocktexture(SDL_Renderer * renderer,
SDL_Texture * texture);
static void photon_dirtytexture(SDL_Renderer * renderer,
SDL_Texture * texture, int numrects,
const SDL_Rect * rects);
static int photon_renderpoint(SDL_Renderer * renderer, int x, int y);
static int photon_renderline(SDL_Renderer * renderer, int x1, int y1, int x2,
int y2);
static int photon_renderfill(SDL_Renderer * renderer, const SDL_Rect * rect);
static int photon_rendercopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect,
const SDL_Rect * dstrect);
static void photon_renderpresent(SDL_Renderer * renderer);
static void photon_destroytexture(SDL_Renderer * renderer,
SDL_Texture * texture);
static void photon_destroyrenderer(SDL_Renderer * renderer);
SDL_RenderDriver photon_renderdriver = {
84
85
photon_createrenderer,
{
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
"photon",
(SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY |
SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 |
SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_PRESENTDISCARD |
SDL_RENDERER_ACCELERATED),
(SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_COLOR |
SDL_TEXTUREMODULATE_ALPHA),
(SDL_BLENDMODE_NONE | SDL_BLENDMODE_MASK |
SDL_BLENDMODE_BLEND | SDL_BLENDMODE_ADD | SDL_BLENDMODE_MOD),
(SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_SLOW),
13,
{
SDL_PIXELFORMAT_INDEX8,
SDL_PIXELFORMAT_RGB555,
SDL_PIXELFORMAT_RGB565,
SDL_PIXELFORMAT_RGB888,
SDL_PIXELFORMAT_BGR888,
SDL_PIXELFORMAT_ARGB8888,
SDL_PIXELFORMAT_RGBA8888,
SDL_PIXELFORMAT_ABGR8888,
SDL_PIXELFORMAT_BGRA8888,
SDL_PIXELFORMAT_YV12,
SDL_PIXELFORMAT_YUY2,
SDL_PIXELFORMAT_UYVY,
SDL_PIXELFORMAT_YVYU},
0,
0}
115
116
static SDL_Renderer *
photon_createrenderer(SDL_Window * window, Uint32 flags)
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
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
SDL_DisplayData *didata = (SDL_DisplayData *) display->driverdata;
SDL_WindowData *wdata = (SDL_WindowData *) window->driverdata;
SDL_Renderer *renderer = NULL;
SDL_RenderData *rdata = NULL;
/* Allocate new renderer structure */
renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(SDL_Renderer));
if (renderer == NULL) {
SDL_OutOfMemory();
return NULL;
}
/* Allocate renderer data */
rdata = (SDL_RenderData *) SDL_calloc(1, sizeof(SDL_RenderData));
if (rdata == NULL) {
SDL_free(renderer);
SDL_OutOfMemory();
return NULL;
}
renderer->DisplayModeChanged = photon_displaymodechanged;
renderer->ActivateRenderer = photon_activaterenderer;
renderer->CreateTexture = photon_createtexture;
renderer->QueryTexturePixels = photon_querytexturepixels;
renderer->SetTexturePalette = photon_settexturepalette;
renderer->GetTexturePalette = photon_gettexturepalette;
renderer->SetTextureAlphaMod = photon_settexturealphamod;
renderer->SetTextureColorMod = photon_settexturecolormod;
renderer->SetTextureBlendMode = photon_settextureblendmode;
renderer->SetTextureScaleMode = photon_settexturescalemode;
renderer->UpdateTexture = photon_updatetexture;
renderer->LockTexture = photon_locktexture;
renderer->UnlockTexture = photon_unlocktexture;
renderer->DirtyTexture = photon_dirtytexture;
renderer->RenderPoint = photon_renderpoint;
renderer->RenderLine = photon_renderline;
renderer->RenderFill = photon_renderfill;
renderer->RenderCopy = photon_rendercopy;
renderer->RenderPresent = photon_renderpresent;
renderer->DestroyTexture = photon_destroytexture;
renderer->DestroyRenderer = photon_destroyrenderer;
renderer->info = photon_renderdriver.info;
renderer->window = window->id;
renderer->driverdata = rdata;
/* Set render acceleration flag in case it is accelerated */
if ((didata->caps & SDL_PHOTON_ACCELERATED) == SDL_PHOTON_ACCELERATED) {
renderer->info.flags = SDL_RENDERER_ACCELERATED;
} else {
renderer->info.flags &= ~(SDL_RENDERER_ACCELERATED);
}
rdata->window = window;
/* Check if upper level requested synchronization on vsync signal */
if ((flags & SDL_RENDERER_PRESENTVSYNC) == SDL_RENDERER_PRESENTVSYNC) {
rdata->enable_vsync = SDL_TRUE;
} else {
rdata->enable_vsync = SDL_FALSE;
}
/* Check what buffer copy/flip scheme is requested */
rdata->surfaces_count = 0;
if ((flags & SDL_RENDERER_SINGLEBUFFER) == SDL_RENDERER_SINGLEBUFFER) {
if ((flags & SDL_RENDERER_PRESENTDISCARD) ==
SDL_RENDERER_PRESENTDISCARD) {
renderer->info.flags |=
SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTDISCARD;
} else {
renderer->info.flags |=
SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY;
}
rdata->surfaces_count = 1;
rdata->surface_visible_idx = 0;
rdata->surface_render_idx = 0;
} else {
if ((flags & SDL_RENDERER_PRESENTFLIP2) == SDL_RENDERER_PRESENTFLIP2) {
renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2;
rdata->surfaces_count = 2;
rdata->surface_visible_idx = 0;
rdata->surface_render_idx = 1;
} else {
if ((flags & SDL_RENDERER_PRESENTFLIP3) ==
SDL_RENDERER_PRESENTFLIP3) {
renderer->info.flags |= SDL_RENDERER_PRESENTFLIP3;
rdata->surfaces_count = 3;
rdata->surface_visible_idx = 0;
rdata->surface_render_idx = 1;
} else {
renderer->info.flags |=
SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY;
rdata->surfaces_count = 1;
rdata->surface_visible_idx = 0;
rdata->surface_render_idx = 0;
}
}
}
return renderer;
220
221
void
photon_addrenderdriver(_THIS)
223
uint32_t it;
225
226
227
for (it = 0; it < _this->num_displays; it++) {
SDL_AddRenderDriver(it, &photon_renderdriver);
}
228
229
230
231
232
}
/****************************************************************************/
/* SDL render interface */
/****************************************************************************/
233
234
static int
photon_displaymodechanged(SDL_Renderer * renderer)
236
SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata;
238
/* Remove all allocated surfaces, they are no more valid */
240
/* TODO: Add video mode change detection and new parameters detection */
242
return 0;
245
246
static int
photon_activaterenderer(SDL_Renderer * renderer)
248
249
250
SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata;
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(rdata->window);
SDL_DisplayData *didata = (SDL_DisplayData *) display->driverdata;
252
return 0;
255
256
static int
photon_createtexture(SDL_Renderer * renderer, SDL_Texture * texture)
258
259
260
261
262
263
264
265
266
267
268
269
270
271
SDL_RenderData *renderdata = (SDL_RenderData *) renderer->driverdata;
SDL_Window *window = SDL_GetWindowFromID(renderer->window);
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
SDL_TextureData *tdata = NULL;
/* Allocate texture driver data */
tdata = (SDL_TextureData *) SDL_calloc(1, sizeof(SDL_TextureData));
if (tdata == NULL) {
SDL_OutOfMemory();
return -1;
}
/* Set texture driver data */
texture->driverdata = tdata;
272
273
274
}
275
276
277
static int
photon_querytexturepixels(SDL_Renderer * renderer, SDL_Texture * texture,
void **pixels, int *pitch)
278
279
280
{
}
281
282
283
284
static int
photon_settexturepalette(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Color * colors, int firstcolor,
int ncolors)
285
286
287
{
}
288
289
290
static int
photon_gettexturepalette(SDL_Renderer * renderer, SDL_Texture * texture,
SDL_Color * colors, int firstcolor, int ncolors)
291
292
293
{
}
294
295
static int
photon_settexturecolormod(SDL_Renderer * renderer, SDL_Texture * texture)
296
297
298
{
}
299
300
static int
photon_settexturealphamod(SDL_Renderer * renderer, SDL_Texture * texture)
301
302
303
{
}
304
305
static int
photon_settextureblendmode(SDL_Renderer * renderer, SDL_Texture * texture)
306
307
308
{
}
309
310
static int
photon_settexturescalemode(SDL_Renderer * renderer, SDL_Texture * texture)
311
312
313
{
}
314
315
316
static int
photon_updatetexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch)
317
318
319
{
}
320
321
322
323
static int
photon_locktexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, int markDirty, void **pixels,
int *pitch)
324
325
326
{
}
327
328
static void
photon_unlocktexture(SDL_Renderer * renderer, SDL_Texture * texture)
329
330
331
{
}
332
333
334
static void
photon_dirtytexture(SDL_Renderer * renderer, SDL_Texture * texture,
int numrects, const SDL_Rect * rects)
335
336
337
{
}
338
339
static int
photon_renderpoint(SDL_Renderer * renderer, int x, int y)
340
341
342
{
}
343
344
static int
photon_renderline(SDL_Renderer * renderer, int x1, int y1, int x2, int y2)
345
346
347
{
}
348
349
static int
photon_renderfill(SDL_Renderer * renderer, const SDL_Rect * rect)
350
351
352
{
}
353
354
355
static int
photon_rendercopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect)
356
357
358
{
}
359
360
static void
photon_renderpresent(SDL_Renderer * renderer)
361
362
363
{
}
364
365
static void
photon_destroytexture(SDL_Renderer * renderer, SDL_Texture * texture)
366
367
368
{
}
369
370
static void
photon_destroyrenderer(SDL_Renderer * renderer)
372
373
SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata;
uint32_t it;
374
375
376
377
}
/* vi: set ts=4 sw=4 expandtab: */