This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
/
SDL_photon_render.c
377 lines (325 loc) · 12.6 KB
/
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
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
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
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
/*
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"
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 = {
photon_createrenderer,
{
"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}
};
static SDL_Renderer *
photon_createrenderer(SDL_Window * window, Uint32 flags)
{
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;
}
void
photon_addrenderdriver(_THIS)
{
uint32_t it;
for (it = 0; it < _this->num_displays; it++) {
SDL_AddRenderDriver(it, &photon_renderdriver);
}
}
/****************************************************************************/
/* SDL render interface */
/****************************************************************************/
static int
photon_displaymodechanged(SDL_Renderer * renderer)
{
SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata;
/* Remove all allocated surfaces, they are no more valid */
/* TODO: Add video mode change detection and new parameters detection */
return 0;
}
static int
photon_activaterenderer(SDL_Renderer * renderer)
{
SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata;
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(rdata->window);
SDL_DisplayData *didata = (SDL_DisplayData *) display->driverdata;
return 0;
}
static int
photon_createtexture(SDL_Renderer * renderer, SDL_Texture * texture)
{
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;
}
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_RenderData *rdata = (SDL_RenderData *) renderer->driverdata;
uint32_t it;
}
/* vi: set ts=4 sw=4 expandtab: */