Fix crash with partial fribidi conversion.
[mplayer/greg.git] / libvo / vo_gl.c
blob2fce3056455d2bf2e82eba9da7b63aa4c6131b91
1 /*
2 * This file is part of MPlayer.
4 * MPlayer is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * MPlayer is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 #include <stdio.h>
20 #include <stdlib.h>
21 #include <string.h>
22 #include <math.h>
24 #include "config.h"
25 #include "mp_msg.h"
26 #include "subopt-helper.h"
27 #include "video_out.h"
28 #include "video_out_internal.h"
29 #include "font_load.h"
30 #include "sub.h"
32 #include "gl_common.h"
33 #include "aspect.h"
34 #ifdef CONFIG_GUI
35 #include "gui/interface.h"
36 #endif
37 #include "fastmemcpy.h"
38 #include "libass/ass.h"
39 #include "libass/ass_mp.h"
41 static const vo_info_t info =
43 "X11 (OpenGL)",
44 "gl",
45 "Arpad Gereoffy <arpi@esp-team.scene.hu>",
49 const LIBVO_EXTERN(gl)
51 #ifdef GL_WIN32
52 static int gl_vinfo = 0;
53 static HGLRC gl_context = 0;
54 #define update_xinerama_info w32_update_xinerama_info
55 #define vo_init vo_w32_init
56 #define vo_window vo_w32_window
57 #else
58 static XVisualInfo *gl_vinfo = NULL;
59 static GLXContext gl_context = 0;
60 static int wsGLXAttrib[] = { GLX_RGBA,
61 GLX_RED_SIZE,1,
62 GLX_GREEN_SIZE,1,
63 GLX_BLUE_SIZE,1,
64 GLX_DOUBLEBUFFER,
65 None };
66 #endif
68 static int use_osd;
69 static int scaled_osd;
70 //! How many parts the OSD may consist of at most
71 #define MAX_OSD_PARTS 20
72 //! Textures for OSD
73 static GLuint osdtex[MAX_OSD_PARTS];
74 #ifndef FAST_OSD
75 //! Alpha textures for OSD
76 static GLuint osdatex[MAX_OSD_PARTS];
77 #endif
78 static GLuint *eosdtex;
79 #define LARGE_EOSD_TEX_SIZE 512
80 #define TINYTEX_SIZE 16
81 #define TINYTEX_COLS (LARGE_EOSD_TEX_SIZE/TINYTEX_SIZE)
82 #define TINYTEX_MAX (TINYTEX_COLS*TINYTEX_COLS)
83 #define SMALLTEX_SIZE 32
84 #define SMALLTEX_COLS (LARGE_EOSD_TEX_SIZE/SMALLTEX_SIZE)
85 #define SMALLTEX_MAX (SMALLTEX_COLS*SMALLTEX_COLS)
86 static GLuint largeeosdtex[2];
87 //! Display lists that draw the OSD parts
88 static GLuint osdDispList[MAX_OSD_PARTS];
89 #ifndef FAST_OSD
90 static GLuint osdaDispList[MAX_OSD_PARTS];
91 #endif
92 static GLuint eosdDispList;
93 //! How many parts the OSD currently consists of
94 static int osdtexCnt;
95 static int eosdtexCnt;
96 static int osd_color;
98 static int use_aspect;
99 static int use_ycbcr;
100 static int use_yuv;
101 static int lscale;
102 static int cscale;
103 static float filter_strength;
104 static int yuvconvtype;
105 static int use_rectangle;
106 static int err_shown;
107 static uint32_t image_width;
108 static uint32_t image_height;
109 static uint32_t image_format;
110 static int many_fmts;
111 static int ati_hack;
112 static int force_pbo;
113 static int mesa_buffer;
114 static int use_glFinish;
115 static int swap_interval;
116 static GLenum gl_target;
117 static GLint gl_texfmt;
118 static GLenum gl_format;
119 static GLenum gl_type;
120 static GLuint gl_buffer;
121 static GLuint gl_buffer_uv[2];
122 static int gl_buffersize;
123 static int gl_buffersize_uv;
124 static void *gl_bufferptr;
125 static void *gl_bufferptr_uv[2];
126 static int mesa_buffersize;
127 static void *mesa_bufferptr;
128 static GLuint fragprog;
129 static GLuint default_texs[22];
130 static char *custom_prog;
131 static char *custom_tex;
132 static int custom_tlin;
133 static int custom_trect;
135 static int int_pause;
136 static int eq_bri = 0;
137 static int eq_cont = 0;
138 static int eq_sat = 0;
139 static int eq_hue = 0;
140 static int eq_rgamma = 0;
141 static int eq_ggamma = 0;
142 static int eq_bgamma = 0;
144 static int texture_width;
145 static int texture_height;
146 static int mpi_flipped;
147 static int vo_flipped;
148 static int ass_border_x, ass_border_y;
150 static unsigned int slice_height = 1;
152 static void redraw(void);
154 static void resize(int x,int y){
155 mp_msg(MSGT_VO, MSGL_V, "[gl] Resize: %dx%d\n",x,y);
156 if (WinID >= 0) {
157 int top = 0, left = 0, w = x, h = y;
158 geometry(&top, &left, &w, &h, vo_screenwidth, vo_screenheight);
159 glViewport(top, left, w, h);
160 } else
161 glViewport( 0, 0, x, y );
163 glMatrixMode(GL_PROJECTION);
164 glLoadIdentity();
165 ass_border_x = ass_border_y = 0;
166 if (aspect_scaling() && use_aspect) {
167 int new_w, new_h;
168 GLdouble scale_x, scale_y;
169 aspect(&new_w, &new_h, A_WINZOOM);
170 panscan_calc_windowed();
171 new_w += vo_panscan_x;
172 new_h += vo_panscan_y;
173 scale_x = (GLdouble)new_w / (GLdouble)x;
174 scale_y = (GLdouble)new_h / (GLdouble)y;
175 glScaled(scale_x, scale_y, 1);
176 ass_border_x = (vo_dwidth - new_w) / 2;
177 ass_border_y = (vo_dheight - new_h) / 2;
179 glOrtho(0, image_width, image_height, 0, -1,1);
181 glMatrixMode(GL_MODELVIEW);
182 glLoadIdentity();
184 if (!scaled_osd) {
185 #ifdef CONFIG_FREETYPE
186 // adjust font size to display size
187 force_load_font = 1;
188 #endif
189 vo_osd_changed(OSDTYPE_OSD);
191 glClear(GL_COLOR_BUFFER_BIT);
192 redraw();
195 static void texSize(int w, int h, int *texw, int *texh) {
196 if (use_rectangle) {
197 *texw = w; *texh = h;
198 } else {
199 *texw = 32;
200 while (*texw < w)
201 *texw *= 2;
202 *texh = 32;
203 while (*texh < h)
204 *texh *= 2;
206 if (mesa_buffer) *texw = (*texw + 63) & ~63;
207 else if (ati_hack) *texw = (*texw + 511) & ~511;
210 //! maximum size of custom fragment program
211 #define MAX_CUSTOM_PROG_SIZE (1024 * 1024)
212 static void update_yuvconv(void) {
213 float bri = eq_bri / 100.0;
214 float cont = (eq_cont + 100) / 100.0;
215 float hue = eq_hue / 100.0 * 3.1415927;
216 float sat = (eq_sat + 100) / 100.0;
217 float rgamma = exp(log(8.0) * eq_rgamma / 100.0);
218 float ggamma = exp(log(8.0) * eq_ggamma / 100.0);
219 float bgamma = exp(log(8.0) * eq_bgamma / 100.0);
220 gl_conversion_params_t params = {gl_target, yuvconvtype,
221 bri, cont, hue, sat, rgamma, ggamma, bgamma,
222 texture_width, texture_height, filter_strength};
223 glSetupYUVConversion(&params);
224 if (custom_prog) {
225 FILE *f = fopen(custom_prog, "r");
226 if (!f)
227 mp_msg(MSGT_VO, MSGL_WARN,
228 "[gl] Could not read customprog %s\n", custom_prog);
229 else {
230 char *prog = calloc(1, MAX_CUSTOM_PROG_SIZE + 1);
231 fread(prog, 1, MAX_CUSTOM_PROG_SIZE, f);
232 fclose(f);
233 loadGPUProgram(GL_FRAGMENT_PROGRAM, prog);
234 free(prog);
236 ProgramEnvParameter4f(GL_FRAGMENT_PROGRAM, 0,
237 1.0 / texture_width, 1.0 / texture_height,
238 texture_width, texture_height);
240 if (custom_tex) {
241 FILE *f = fopen(custom_tex, "r");
242 if (!f)
243 mp_msg(MSGT_VO, MSGL_WARN,
244 "[gl] Could not read customtex %s\n", custom_tex);
245 else {
246 int width, height, maxval;
247 ActiveTexture(GL_TEXTURE3);
248 if (glCreatePPMTex(custom_trect?GL_TEXTURE_RECTANGLE:GL_TEXTURE_2D, 0,
249 custom_tlin?GL_LINEAR:GL_NEAREST,
250 f, &width, &height, &maxval))
251 ProgramEnvParameter4f(GL_FRAGMENT_PROGRAM, 1,
252 1.0 / width, 1.0 / height, width, height);
253 else
254 mp_msg(MSGT_VO, MSGL_WARN,
255 "[gl] Error parsing customtex %s\n", custom_tex);
256 fclose(f);
257 ActiveTexture(GL_TEXTURE0);
263 * \brief remove all OSD textures and display-lists, thus clearing it.
265 static void clearOSD(void) {
266 int i;
267 if (!osdtexCnt)
268 return;
269 glDeleteTextures(osdtexCnt, osdtex);
270 #ifndef FAST_OSD
271 glDeleteTextures(osdtexCnt, osdatex);
272 for (i = 0; i < osdtexCnt; i++)
273 glDeleteLists(osdaDispList[i], 1);
274 #endif
275 for (i = 0; i < osdtexCnt; i++)
276 glDeleteLists(osdDispList[i], 1);
277 osdtexCnt = 0;
281 * \brief remove textures, display list and free memory used by EOSD
283 static void clearEOSD(void) {
284 if (eosdDispList)
285 glDeleteLists(eosdDispList, 1);
286 eosdDispList = 0;
287 if (eosdtexCnt)
288 glDeleteTextures(eosdtexCnt, eosdtex);
289 eosdtexCnt = 0;
290 free(eosdtex);
291 eosdtex = NULL;
294 static void do_render_osd(int);
296 static inline int is_tinytex(ass_image_t *i, int tinytexcur) {
297 return i->w < TINYTEX_SIZE && i->h < TINYTEX_SIZE && tinytexcur < TINYTEX_MAX;
300 static inline int is_smalltex(ass_image_t *i, int smalltexcur) {
301 return i->w < SMALLTEX_SIZE && i->h < SMALLTEX_SIZE && smalltexcur < SMALLTEX_MAX;
304 static inline void tinytex_pos(int tinytexcur, int *x, int *y) {
305 *x = (tinytexcur % TINYTEX_COLS) * TINYTEX_SIZE;
306 *y = (tinytexcur / TINYTEX_COLS) * TINYTEX_SIZE;
309 static inline void smalltex_pos(int smalltexcur, int *x, int *y) {
310 *x = (smalltexcur % SMALLTEX_COLS) * SMALLTEX_SIZE;
311 *y = (smalltexcur / SMALLTEX_COLS) * SMALLTEX_SIZE;
315 * \brief construct display list from ass image list
316 * \param img image list to create OSD from.
317 * A value of NULL has the same effect as clearEOSD()
319 static void genEOSD(mp_eosd_images_t *imgs) {
320 int sx, sy;
321 int tinytexcur = 0;
322 int smalltexcur = 0;
323 GLuint *curtex;
324 GLint scale_type = scaled_osd ? GL_LINEAR : GL_NEAREST;
325 ass_image_t *img = imgs->imgs;
326 ass_image_t *i;
328 if (imgs->changed == 0) // there are elements, but they are unchanged
329 return;
330 if (img && imgs->changed == 1) // there are elements, but they just moved
331 goto skip_upload;
333 clearEOSD();
334 if (!img)
335 return;
336 if (!largeeosdtex[0]) {
337 glGenTextures(2, largeeosdtex);
338 BindTexture(gl_target, largeeosdtex[0]);
339 glCreateClearTex(gl_target, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, scale_type, LARGE_EOSD_TEX_SIZE, LARGE_EOSD_TEX_SIZE, 0);
340 BindTexture(gl_target, largeeosdtex[1]);
341 glCreateClearTex(gl_target, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, scale_type, LARGE_EOSD_TEX_SIZE, LARGE_EOSD_TEX_SIZE, 0);
343 for (i = img; i; i = i->next)
345 if (i->w <= 0 || i->h <= 0 || i->stride < i->w)
346 continue;
347 if (is_tinytex(i, tinytexcur))
348 tinytexcur++;
349 else if (is_smalltex(i, smalltexcur))
350 smalltexcur++;
351 else
352 eosdtexCnt++;
354 mp_msg(MSGT_VO, MSGL_DBG2, "EOSD counts (tiny, small, all): %i, %i, %i\n",
355 tinytexcur, smalltexcur, eosdtexCnt);
356 if (eosdtexCnt) {
357 eosdtex = calloc(eosdtexCnt, sizeof(GLuint));
358 glGenTextures(eosdtexCnt, eosdtex);
360 tinytexcur = smalltexcur = 0;
361 for (i = img, curtex = eosdtex; i; i = i->next) {
362 int x = 0, y = 0;
363 if (i->w <= 0 || i->h <= 0 || i->stride < i->w) {
364 mp_msg(MSGT_VO, MSGL_V, "Invalid dimensions OSD for part!\n");
365 continue;
367 if (is_tinytex(i, tinytexcur)) {
368 tinytex_pos(tinytexcur, &x, &y);
369 BindTexture(gl_target, largeeosdtex[0]);
370 tinytexcur++;
371 } else if (is_smalltex(i, smalltexcur)) {
372 smalltex_pos(smalltexcur, &x, &y);
373 BindTexture(gl_target, largeeosdtex[1]);
374 smalltexcur++;
375 } else {
376 texSize(i->w, i->h, &sx, &sy);
377 BindTexture(gl_target, *curtex++);
378 glCreateClearTex(gl_target, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, scale_type, sx, sy, 0);
380 glUploadTex(gl_target, GL_ALPHA, GL_UNSIGNED_BYTE, i->bitmap, i->stride,
381 x, y, i->w, i->h, 0);
383 eosdDispList = glGenLists(1);
384 skip_upload:
385 glNewList(eosdDispList, GL_COMPILE);
386 tinytexcur = smalltexcur = 0;
387 for (i = img, curtex = eosdtex; i; i = i->next) {
388 int x = 0, y = 0;
389 if (i->w <= 0 || i->h <= 0 || i->stride < i->w)
390 continue;
391 glColor4ub(i->color >> 24, (i->color >> 16) & 0xff, (i->color >> 8) & 0xff, 255 - (i->color & 0xff));
392 if (is_tinytex(i, tinytexcur)) {
393 tinytex_pos(tinytexcur, &x, &y);
394 sx = sy = LARGE_EOSD_TEX_SIZE;
395 BindTexture(gl_target, largeeosdtex[0]);
396 tinytexcur++;
397 } else if (is_smalltex(i, smalltexcur)) {
398 smalltex_pos(smalltexcur, &x, &y);
399 sx = sy = LARGE_EOSD_TEX_SIZE;
400 BindTexture(gl_target, largeeosdtex[1]);
401 smalltexcur++;
402 } else {
403 texSize(i->w, i->h, &sx, &sy);
404 BindTexture(gl_target, *curtex++);
406 glDrawTex(i->dst_x, i->dst_y, i->w, i->h, x, y, i->w, i->h, sx, sy, use_rectangle == 1, 0, 0);
408 glEndList();
409 BindTexture(gl_target, 0);
413 * \brief uninitialize OpenGL context, freeing textures, buffers etc.
415 static void uninitGl(void) {
416 int i = 0;
417 if (DeletePrograms && fragprog)
418 DeletePrograms(1, &fragprog);
419 fragprog = 0;
420 while (default_texs[i] != 0)
421 i++;
422 if (i)
423 glDeleteTextures(i, default_texs);
424 default_texs[0] = 0;
425 clearOSD();
426 clearEOSD();
427 if (largeeosdtex[0])
428 glDeleteTextures(2, largeeosdtex);
429 largeeosdtex[0] = 0;
430 if (DeleteBuffers && gl_buffer)
431 DeleteBuffers(1, &gl_buffer);
432 gl_buffer = 0; gl_buffersize = 0;
433 gl_bufferptr = NULL;
434 if (DeleteBuffers && gl_buffer_uv[0])
435 DeleteBuffers(2, gl_buffer_uv);
436 gl_buffer_uv[0] = gl_buffer_uv[1] = 0; gl_buffersize_uv = 0;
437 gl_bufferptr_uv[0] = gl_bufferptr_uv[1] = 0;
438 #ifdef CONFIG_X11
439 if (mesa_bufferptr)
440 FreeMemoryMESA(mDisplay, mScreen, mesa_bufferptr);
441 #endif
442 mesa_bufferptr = NULL;
443 err_shown = 0;
446 static void autodetectGlExtensions(void) {
447 const char *extensions = glGetString(GL_EXTENSIONS);
448 const char *vendor = glGetString(GL_VENDOR);
449 const char *version = glGetString(GL_VERSION);
450 int is_ati = strstr(vendor, "ATI") != NULL;
451 int ati_broken_pbo = 0;
452 if (is_ati && strncmp(version, "2.1.", 4) == 0) {
453 int ver = atoi(version + 4);
454 mp_msg(MSGT_VO, MSGL_V, "[gl] Detected ATI driver version: %i\n", ver);
455 ati_broken_pbo = ver && ver < 8395;
457 if (ati_hack == -1) ati_hack = ati_broken_pbo;
458 if (force_pbo == -1) force_pbo = strstr(extensions, "_pixel_buffer_object") ? is_ati : 0;
459 if (use_rectangle == -1) use_rectangle = strstr(extensions, "_texture_non_power_of_two") ? 0 : 0;
460 if (is_ati && (lscale == 1 || lscale == 2 || cscale == 1 || cscale == 2))
461 mp_msg(MSGT_VO, MSGL_WARN, "[gl] Selected scaling mode may be broken on ATI cards.\n"
462 "Tell _them_ to fix GL_REPEAT if you have issues.\n");
463 mp_msg(MSGT_VO, MSGL_V, "[gl] Settings after autodetection: ati-hack = %i, force-pbo = %i, rectangle = %i\n",
464 ati_hack, force_pbo, use_rectangle);
468 * \brief Initialize a (new or reused) OpenGL context.
469 * set global gl-related variables to their default values
471 static int initGl(uint32_t d_width, uint32_t d_height) {
472 autodetectGlExtensions();
473 texSize(image_width, image_height, &texture_width, &texture_height);
475 glDisable(GL_BLEND);
476 glDisable(GL_DEPTH_TEST);
477 glDepthMask(GL_FALSE);
478 glDisable(GL_CULL_FACE);
479 glEnable(gl_target);
480 glDrawBuffer(vo_doublebuffering?GL_BACK:GL_FRONT);
481 glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
483 mp_msg(MSGT_VO, MSGL_V, "[gl] Creating %dx%d texture...\n",
484 texture_width, texture_height);
486 if (image_format == IMGFMT_YV12) {
487 int i;
488 glGenTextures(21, default_texs);
489 default_texs[21] = 0;
490 for (i = 0; i < 7; i++) {
491 ActiveTexture(GL_TEXTURE1 + i);
492 BindTexture(GL_TEXTURE_2D, default_texs[i]);
493 BindTexture(GL_TEXTURE_RECTANGLE, default_texs[i + 7]);
494 BindTexture(GL_TEXTURE_3D, default_texs[i + 14]);
496 ActiveTexture(GL_TEXTURE1);
497 glCreateClearTex(gl_target, gl_texfmt, gl_format, gl_type, GL_LINEAR,
498 texture_width / 2, texture_height / 2, 128);
499 ActiveTexture(GL_TEXTURE2);
500 glCreateClearTex(gl_target, gl_texfmt, gl_format, gl_type, GL_LINEAR,
501 texture_width / 2, texture_height / 2, 128);
502 switch (use_yuv) {
503 case YUV_CONVERSION_FRAGMENT_LOOKUP:
504 case YUV_CONVERSION_FRAGMENT_POW:
505 case YUV_CONVERSION_FRAGMENT:
506 if (!GenPrograms || !BindProgram) {
507 mp_msg(MSGT_VO, MSGL_ERR, "[gl] fragment program functions missing!\n");
508 break;
510 GenPrograms(1, &fragprog);
511 BindProgram(GL_FRAGMENT_PROGRAM, fragprog);
512 break;
514 ActiveTexture(GL_TEXTURE0);
515 BindTexture(gl_target, 0);
516 update_yuvconv();
518 glCreateClearTex(gl_target, gl_texfmt, gl_format, gl_type, GL_LINEAR,
519 texture_width, texture_height, 0);
521 resize(d_width, d_height);
523 glClearColor( 0.0f,0.0f,0.0f,0.0f );
524 glClear( GL_COLOR_BUFFER_BIT );
525 if (SwapInterval && swap_interval >= 0)
526 SwapInterval(swap_interval);
527 return 1;
530 /* connect to server, create and map window,
531 * allocate colors and (shared) memory
533 static int
534 config(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t flags, char *title, uint32_t format)
536 image_height = height;
537 image_width = width;
538 image_format = format;
539 glFindFormat(format, NULL, &gl_texfmt, &gl_format, &gl_type);
541 int_pause = 0;
542 vo_flipped = !!(flags & VOFLAG_FLIPPING);
544 #ifdef CONFIG_GUI
545 if (use_gui) {
546 // GUI creates and manages window for us
547 guiGetEvent(guiSetShVideo, 0);
548 goto glconfig;
550 #endif
551 #ifdef GL_WIN32
552 if (!vo_w32_config(d_width, d_height, flags))
553 return -1;
554 #else
556 XVisualInfo *vinfo=glXChooseVisual( mDisplay,mScreen,wsGLXAttrib );
557 if (vinfo == NULL)
559 mp_msg(MSGT_VO, MSGL_ERR, "[gl] no GLX support present\n");
560 return -1;
562 mp_msg(MSGT_VO, MSGL_V, "[gl] GLX chose visual with ID 0x%x\n", (int)vinfo->visualid);
564 vo_x11_create_vo_window(vinfo, vo_dx, vo_dy, d_width, d_height, flags,
565 XCreateColormap(mDisplay, mRootWin, vinfo->visual, AllocNone),
566 "gl", title);
568 #endif
570 glconfig:
571 if (vo_config_count)
572 uninitGl();
573 if (setGlWindow(&gl_vinfo, &gl_context, vo_window) == SET_WINDOW_FAILED)
574 return -1;
575 if (mesa_buffer && !AllocateMemoryMESA) {
576 mp_msg(MSGT_VO, MSGL_ERR, "Can not enable mesa-buffer because AllocateMemoryMESA was not found\n");
577 mesa_buffer = 0;
579 initGl(vo_dwidth, vo_dheight);
581 return 0;
584 static void check_events(void)
586 int e=vo_check_events();
587 if(e&VO_EVENT_RESIZE) resize(vo_dwidth,vo_dheight);
588 if(e&VO_EVENT_EXPOSE && int_pause) redraw();
592 * Creates the textures and the display list needed for displaying
593 * an OSD part.
594 * Callback function for vo_draw_text().
596 static void create_osd_texture(int x0, int y0, int w, int h,
597 unsigned char *src, unsigned char *srca,
598 int stride)
600 // initialize to 8 to avoid special-casing on alignment
601 int sx = 8, sy = 8;
602 GLint scale_type = scaled_osd ? GL_LINEAR : GL_NEAREST;
604 if (w <= 0 || h <= 0 || stride < w) {
605 mp_msg(MSGT_VO, MSGL_V, "Invalid dimensions OSD for part!\n");
606 return;
608 texSize(w, h, &sx, &sy);
610 if (osdtexCnt >= MAX_OSD_PARTS) {
611 mp_msg(MSGT_VO, MSGL_ERR, "Too many OSD parts, contact the developers!\n");
612 return;
615 // create Textures for OSD part
616 glGenTextures(1, &osdtex[osdtexCnt]);
617 BindTexture(gl_target, osdtex[osdtexCnt]);
618 glCreateClearTex(gl_target, GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE, scale_type, sx, sy, 0);
619 glUploadTex(gl_target, GL_LUMINANCE, GL_UNSIGNED_BYTE, src, stride,
620 0, 0, w, h, 0);
622 #ifndef FAST_OSD
623 glGenTextures(1, &osdatex[osdtexCnt]);
624 BindTexture(gl_target, osdatex[osdtexCnt]);
625 glCreateClearTex(gl_target, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, scale_type, sx, sy, 0);
627 int i;
628 char *tmp = malloc(stride * h);
629 // convert alpha from weird MPlayer scale.
630 // in-place is not possible since it is reused for future OSDs
631 for (i = h * stride - 1; i >= 0; i--)
632 tmp[i] = -srca[i];
633 glUploadTex(gl_target, GL_ALPHA, GL_UNSIGNED_BYTE, tmp, stride,
634 0, 0, w, h, 0);
635 free(tmp);
637 #endif
639 BindTexture(gl_target, 0);
641 // Create a list for rendering this OSD part
642 #ifndef FAST_OSD
643 osdaDispList[osdtexCnt] = glGenLists(1);
644 glNewList(osdaDispList[osdtexCnt], GL_COMPILE);
645 // render alpha
646 BindTexture(gl_target, osdatex[osdtexCnt]);
647 glDrawTex(x0, y0, w, h, 0, 0, w, h, sx, sy, use_rectangle == 1, 0, 0);
648 glEndList();
649 #endif
650 osdDispList[osdtexCnt] = glGenLists(1);
651 glNewList(osdDispList[osdtexCnt], GL_COMPILE);
652 // render OSD
653 BindTexture(gl_target, osdtex[osdtexCnt]);
654 glDrawTex(x0, y0, w, h, 0, 0, w, h, sx, sy, use_rectangle == 1, 0, 0);
655 glEndList();
657 osdtexCnt++;
660 static void draw_osd(void)
662 if (!use_osd) return;
663 if (vo_osd_changed(0)) {
664 int osd_h, osd_w;
665 clearOSD();
666 osd_w = scaled_osd ? image_width : vo_dwidth;
667 osd_h = scaled_osd ? image_height : vo_dheight;
668 vo_draw_text_ext(osd_w, osd_h, ass_border_x, ass_border_y, ass_border_x, ass_border_y,
669 image_width, image_height, create_osd_texture);
671 if (vo_doublebuffering) do_render_osd(1);
674 static void do_render(void) {
675 // glEnable(GL_TEXTURE_2D);
676 // glBindTexture(GL_TEXTURE_2D, texture_id);
678 glColor3f(1,1,1);
679 if (image_format == IMGFMT_YV12)
680 glEnableYUVConversion(gl_target, yuvconvtype);
681 glDrawTex(0, 0, image_width, image_height,
682 0, 0, image_width, image_height,
683 texture_width, texture_height,
684 use_rectangle == 1, image_format == IMGFMT_YV12,
685 mpi_flipped ^ vo_flipped);
686 if (image_format == IMGFMT_YV12)
687 glDisableYUVConversion(gl_target, yuvconvtype);
691 * \param type bit 0: render OSD, bit 1: render EOSD
693 static void do_render_osd(int type) {
694 if (((type & 1) && osdtexCnt > 0) || ((type & 2) && eosdDispList)) {
695 // set special rendering parameters
696 if (!scaled_osd) {
697 glMatrixMode(GL_PROJECTION);
698 glPushMatrix();
699 glLoadIdentity();
700 glOrtho(0, vo_dwidth, vo_dheight, 0, -1, 1);
702 glEnable(GL_BLEND);
703 if ((type & 2) && eosdDispList) {
704 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
705 glCallList(eosdDispList);
707 if ((type & 1) && osdtexCnt > 0) {
708 glColor4ub((osd_color >> 16) & 0xff, (osd_color >> 8) & 0xff, osd_color & 0xff, 0xff - (osd_color >> 24));
709 // draw OSD
710 #ifndef FAST_OSD
711 glBlendFunc(GL_ZERO, GL_ONE_MINUS_SRC_ALPHA);
712 glCallLists(osdtexCnt, GL_UNSIGNED_INT, osdaDispList);
713 #endif
714 glBlendFunc(GL_SRC_ALPHA, GL_ONE);
715 glCallLists(osdtexCnt, GL_UNSIGNED_INT, osdDispList);
717 // set rendering parameters back to defaults
718 glDisable(GL_BLEND);
719 if (!scaled_osd)
720 glPopMatrix();
721 BindTexture(gl_target, 0);
725 static void flip_page(void) {
726 if (vo_doublebuffering) {
727 if (use_glFinish) glFinish();
728 swapGlBuffers();
729 if (aspect_scaling() && use_aspect)
730 glClear(GL_COLOR_BUFFER_BIT);
731 } else {
732 do_render();
733 do_render_osd(3);
734 if (use_glFinish) glFinish();
735 else glFlush();
739 static void redraw(void) {
740 if (vo_doublebuffering) { do_render(); do_render_osd(3); }
741 flip_page();
744 //static inline uint32_t draw_slice_x11(uint8_t *src[], uint32_t slice_num)
745 static int draw_slice(uint8_t *src[], int stride[], int w,int h,int x,int y)
747 mpi_flipped = stride[0] < 0;
748 glUploadTex(gl_target, gl_format, gl_type, src[0], stride[0],
749 x, y, w, h, slice_height);
750 if (image_format == IMGFMT_YV12) {
751 ActiveTexture(GL_TEXTURE1);
752 glUploadTex(gl_target, gl_format, gl_type, src[1], stride[1],
753 x / 2, y / 2, w / 2, h / 2, slice_height);
754 ActiveTexture(GL_TEXTURE2);
755 glUploadTex(gl_target, gl_format, gl_type, src[2], stride[2],
756 x / 2, y / 2, w / 2, h / 2, slice_height);
757 ActiveTexture(GL_TEXTURE0);
759 return 0;
762 static uint32_t get_image(mp_image_t *mpi) {
763 int needed_size;
764 if (!GenBuffers || !BindBuffer || !BufferData || !MapBuffer) {
765 if (!err_shown)
766 mp_msg(MSGT_VO, MSGL_ERR, "[gl] extensions missing for dr\n"
767 "Expect a _major_ speed penalty\n");
768 err_shown = 1;
769 return VO_FALSE;
771 if (mpi->flags & MP_IMGFLAG_READABLE) return VO_FALSE;
772 if (mpi->type != MP_IMGTYPE_STATIC && mpi->type != MP_IMGTYPE_TEMP &&
773 (mpi->type != MP_IMGTYPE_NUMBERED || mpi->number))
774 return VO_FALSE;
775 if (mesa_buffer) mpi->width = texture_width;
776 else if (ati_hack) {
777 mpi->width = texture_width;
778 mpi->height = texture_height;
780 mpi->stride[0] = mpi->width * mpi->bpp / 8;
781 needed_size = mpi->stride[0] * mpi->height;
782 if (mesa_buffer) {
783 #ifdef CONFIG_X11
784 if (mesa_bufferptr && needed_size > mesa_buffersize) {
785 FreeMemoryMESA(mDisplay, mScreen, mesa_bufferptr);
786 mesa_bufferptr = NULL;
788 if (!mesa_bufferptr)
789 mesa_bufferptr = AllocateMemoryMESA(mDisplay, mScreen, needed_size, 0, 1.0, 1.0);
790 mesa_buffersize = needed_size;
791 #endif
792 mpi->planes[0] = mesa_bufferptr;
793 } else {
794 if (!gl_buffer)
795 GenBuffers(1, &gl_buffer);
796 BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer);
797 if (needed_size > gl_buffersize) {
798 gl_buffersize = needed_size;
799 BufferData(GL_PIXEL_UNPACK_BUFFER, gl_buffersize,
800 NULL, GL_DYNAMIC_DRAW);
802 if (!gl_bufferptr)
803 gl_bufferptr = MapBuffer(GL_PIXEL_UNPACK_BUFFER, GL_WRITE_ONLY);
804 mpi->planes[0] = gl_bufferptr;
805 BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
807 if (!mpi->planes[0]) {
808 if (!err_shown)
809 mp_msg(MSGT_VO, MSGL_ERR, "[gl] could not acquire buffer for dr\n"
810 "Expect a _major_ speed penalty\n");
811 err_shown = 1;
812 return VO_FALSE;
814 if (mpi->imgfmt == IMGFMT_YV12) {
815 // YV12
816 mpi->flags |= MP_IMGFLAG_COMMON_STRIDE | MP_IMGFLAG_COMMON_PLANE;
817 mpi->stride[0] = mpi->width;
818 mpi->planes[1] = mpi->planes[0] + mpi->stride[0] * mpi->height;
819 mpi->stride[1] = mpi->width >> 1;
820 mpi->planes[2] = mpi->planes[1] + mpi->stride[1] * (mpi->height >> 1);
821 mpi->stride[2] = mpi->width >> 1;
822 if (ati_hack && !mesa_buffer) {
823 mpi->flags &= ~MP_IMGFLAG_COMMON_PLANE;
824 if (!gl_buffer_uv[0]) GenBuffers(2, gl_buffer_uv);
825 if (mpi->stride[1] * mpi->height > gl_buffersize_uv) {
826 BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer_uv[0]);
827 BufferData(GL_PIXEL_UNPACK_BUFFER, mpi->stride[1] * mpi->height,
828 NULL, GL_DYNAMIC_DRAW);
829 BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer_uv[1]);
830 BufferData(GL_PIXEL_UNPACK_BUFFER, mpi->stride[1] * mpi->height,
831 NULL, GL_DYNAMIC_DRAW);
832 gl_buffersize_uv = mpi->stride[1] * mpi->height;
834 if (!gl_bufferptr_uv[0]) {
835 BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer_uv[0]);
836 gl_bufferptr_uv[0] = MapBuffer(GL_PIXEL_UNPACK_BUFFER, GL_WRITE_ONLY);
837 BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer_uv[1]);
838 gl_bufferptr_uv[1] = MapBuffer(GL_PIXEL_UNPACK_BUFFER, GL_WRITE_ONLY);
840 mpi->planes[1] = gl_bufferptr_uv[0];
841 mpi->planes[2] = gl_bufferptr_uv[1];
844 mpi->flags |= MP_IMGFLAG_DIRECT;
845 return VO_TRUE;
848 static void clear_border(uint8_t *dst, int start, int stride, int height, int full_height, int value) {
849 int right_border = stride - start;
850 int bottom_border = full_height - height;
851 while (height > 0) {
852 memset(dst + start, value, right_border);
853 dst += stride;
854 height--;
856 if (bottom_border > 0)
857 memset(dst, value, stride * bottom_border);
860 static uint32_t draw_image(mp_image_t *mpi) {
861 int slice = slice_height;
862 int stride[3];
863 unsigned char *planes[3];
864 mp_image_t mpi2 = *mpi;
865 int w = mpi->w, h = mpi->h;
866 if (mpi->flags & MP_IMGFLAG_DRAW_CALLBACK)
867 goto skip_upload;
868 mpi2.flags = 0; mpi2.type = MP_IMGTYPE_TEMP;
869 mpi2.width = mpi2.w; mpi2.height = mpi2.h;
870 if (force_pbo && !(mpi->flags & MP_IMGFLAG_DIRECT) && !gl_bufferptr && get_image(&mpi2) == VO_TRUE) {
871 int bpp = mpi->imgfmt == IMGFMT_YV12 ? 8 : mpi->bpp;
872 memcpy_pic(mpi2.planes[0], mpi->planes[0], mpi->w * bpp / 8, mpi->h, mpi2.stride[0], mpi->stride[0]);
873 if (mpi->imgfmt == IMGFMT_YV12) {
874 memcpy_pic(mpi2.planes[1], mpi->planes[1], mpi->w >> 1, mpi->h >> 1, mpi2.stride[1], mpi->stride[1]);
875 memcpy_pic(mpi2.planes[2], mpi->planes[2], mpi->w >> 1, mpi->h >> 1, mpi2.stride[2], mpi->stride[2]);
877 if (ati_hack) { // since we have to do a full upload we need to clear the borders
878 clear_border(mpi2.planes[0], mpi->w * bpp / 8, mpi2.stride[0], mpi->h, mpi2.height, 0);
879 if (mpi->imgfmt == IMGFMT_YV12) {
880 clear_border(mpi2.planes[1], mpi->w >> 1, mpi2.stride[1], mpi->h >> 1, mpi2.height >> 1, 128);
881 clear_border(mpi2.planes[2], mpi->w >> 1, mpi2.stride[2], mpi->h >> 1, mpi2.height >> 1, 128);
884 mpi = &mpi2;
886 stride[0] = mpi->stride[0]; stride[1] = mpi->stride[1]; stride[2] = mpi->stride[2];
887 planes[0] = mpi->planes[0]; planes[1] = mpi->planes[1]; planes[2] = mpi->planes[2];
888 mpi_flipped = stride[0] < 0;
889 if (mpi->flags & MP_IMGFLAG_DIRECT) {
890 if (mesa_buffer) {
891 glPixelStorei(GL_UNPACK_CLIENT_STORAGE_APPLE, 1);
892 w = texture_width;
893 } else {
894 intptr_t base = (intptr_t)planes[0];
895 if (ati_hack) { w = texture_width; h = texture_height; }
896 if (mpi_flipped)
897 base += (mpi->h - 1) * stride[0];
898 planes[0] -= base;
899 planes[1] -= base;
900 planes[2] -= base;
901 BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer);
902 UnmapBuffer(GL_PIXEL_UNPACK_BUFFER);
903 gl_bufferptr = NULL;
904 if (!(mpi->flags & MP_IMGFLAG_COMMON_PLANE))
905 planes[0] = planes[1] = planes[2] = NULL;
907 slice = 0; // always "upload" full texture
909 glUploadTex(gl_target, gl_format, gl_type, planes[0], stride[0],
910 mpi->x, mpi->y, w, h, slice);
911 if (mpi->imgfmt == IMGFMT_YV12) {
912 if ((mpi->flags & MP_IMGFLAG_DIRECT) && !(mpi->flags & MP_IMGFLAG_COMMON_PLANE)) {
913 BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer_uv[0]);
914 UnmapBuffer(GL_PIXEL_UNPACK_BUFFER);
915 gl_bufferptr_uv[0] = NULL;
917 ActiveTexture(GL_TEXTURE1);
918 glUploadTex(gl_target, gl_format, gl_type, planes[1], stride[1],
919 mpi->x / 2, mpi->y / 2, w / 2, h / 2, slice);
920 if ((mpi->flags & MP_IMGFLAG_DIRECT) && !(mpi->flags & MP_IMGFLAG_COMMON_PLANE)) {
921 BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer_uv[1]);
922 UnmapBuffer(GL_PIXEL_UNPACK_BUFFER);
923 gl_bufferptr_uv[1] = NULL;
925 ActiveTexture(GL_TEXTURE2);
926 glUploadTex(gl_target, gl_format, gl_type, planes[2], stride[2],
927 mpi->x / 2, mpi->y / 2, w / 2, h / 2, slice);
928 ActiveTexture(GL_TEXTURE0);
930 if (mpi->flags & MP_IMGFLAG_DIRECT) {
931 if (mesa_buffer) glPixelStorei(GL_UNPACK_CLIENT_STORAGE_APPLE, 0);
932 else BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
934 skip_upload:
935 if (vo_doublebuffering) do_render();
936 return VO_TRUE;
939 static int
940 draw_frame(uint8_t *src[])
942 return VO_ERROR;
945 static int
946 query_format(uint32_t format)
948 int caps = VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW |
949 VFCAP_FLIP |
950 VFCAP_HWSCALE_UP | VFCAP_HWSCALE_DOWN | VFCAP_ACCEPT_STRIDE;
951 if (use_osd)
952 caps |= VFCAP_OSD | VFCAP_EOSD | (scaled_osd ? 0 : VFCAP_EOSD_UNSCALED);
953 if (format == IMGFMT_RGB24 || format == IMGFMT_RGBA)
954 return caps;
955 if (use_yuv && format == IMGFMT_YV12)
956 return caps;
957 // HACK, otherwise we get only b&w with some filters (e.g. -vf eq)
958 // ideally MPlayer should be fixed instead not to use Y800 when it has the choice
959 if (!use_yuv && (format == IMGFMT_Y8 || format == IMGFMT_Y800))
960 return 0;
961 if (!use_ycbcr && (format == IMGFMT_UYVY || format == IMGFMT_YUY2))
962 return 0;
963 if (many_fmts &&
964 glFindFormat(format, NULL, NULL, NULL, NULL))
965 return caps;
966 return 0;
970 static void
971 uninit(void)
973 if (!vo_config_count) return;
974 uninitGl();
975 releaseGlContext(&gl_vinfo, &gl_context);
976 if (custom_prog) free(custom_prog);
977 custom_prog = NULL;
978 if (custom_tex) free(custom_tex);
979 custom_tex = NULL;
980 vo_uninit();
983 static const opt_t subopts[] = {
984 {"manyfmts", OPT_ARG_BOOL, &many_fmts, NULL},
985 {"osd", OPT_ARG_BOOL, &use_osd, NULL},
986 {"scaled-osd", OPT_ARG_BOOL, &scaled_osd, NULL},
987 {"aspect", OPT_ARG_BOOL, &use_aspect, NULL},
988 {"ycbcr", OPT_ARG_BOOL, &use_ycbcr, NULL},
989 {"slice-height", OPT_ARG_INT, &slice_height, (opt_test_f)int_non_neg},
990 {"rectangle", OPT_ARG_INT, &use_rectangle,(opt_test_f)int_non_neg},
991 {"yuv", OPT_ARG_INT, &use_yuv, (opt_test_f)int_non_neg},
992 {"lscale", OPT_ARG_INT, &lscale, (opt_test_f)int_non_neg},
993 {"cscale", OPT_ARG_INT, &cscale, (opt_test_f)int_non_neg},
994 {"filter-strength", OPT_ARG_FLOAT, &filter_strength, NULL},
995 {"ati-hack", OPT_ARG_BOOL, &ati_hack, NULL},
996 {"force-pbo", OPT_ARG_BOOL, &force_pbo, NULL},
997 {"mesa-buffer", OPT_ARG_BOOL, &mesa_buffer, NULL},
998 {"glfinish", OPT_ARG_BOOL, &use_glFinish, NULL},
999 {"swapinterval", OPT_ARG_INT, &swap_interval,NULL},
1000 {"customprog", OPT_ARG_MSTRZ,&custom_prog, NULL},
1001 {"customtex", OPT_ARG_MSTRZ,&custom_tex, NULL},
1002 {"customtlin", OPT_ARG_BOOL, &custom_tlin, NULL},
1003 {"customtrect", OPT_ARG_BOOL, &custom_trect, NULL},
1004 {"osdcolor", OPT_ARG_INT, &osd_color, NULL},
1005 {NULL}
1008 static int preinit(const char *arg)
1010 // set defaults
1011 many_fmts = 1;
1012 use_osd = 1;
1013 scaled_osd = 0;
1014 use_aspect = 1;
1015 use_ycbcr = 0;
1016 use_yuv = 0;
1017 lscale = 0;
1018 cscale = 0;
1019 filter_strength = 0.5;
1020 use_rectangle = -1;
1021 use_glFinish = 0;
1022 ati_hack = -1;
1023 force_pbo = -1;
1024 mesa_buffer = 0;
1025 swap_interval = 1;
1026 slice_height = 0;
1027 custom_prog = NULL;
1028 custom_tex = NULL;
1029 custom_tlin = 1;
1030 custom_trect = 0;
1031 osd_color = 0xffffff;
1032 if (subopt_parse(arg, subopts) != 0) {
1033 mp_msg(MSGT_VO, MSGL_FATAL,
1034 "\n-vo gl command line help:\n"
1035 "Example: mplayer -vo gl:slice-height=4\n"
1036 "\nOptions:\n"
1037 " nomanyfmts\n"
1038 " Disable extended color formats for OpenGL 1.2 and later\n"
1039 " slice-height=<0-...>\n"
1040 " Slice size for texture transfer, 0 for whole image\n"
1041 " noosd\n"
1042 " Do not use OpenGL OSD code\n"
1043 " scaled-osd\n"
1044 " Render OSD at movie resolution and scale it\n"
1045 " noaspect\n"
1046 " Do not do aspect scaling\n"
1047 " rectangle=<0,1,2>\n"
1048 " 0: use power-of-two textures\n"
1049 " 1: use texture_rectangle\n"
1050 " 2: use texture_non_power_of_two\n"
1051 " ati-hack\n"
1052 " Workaround ATI bug with PBOs\n"
1053 " force-pbo\n"
1054 " Force use of PBO even if this involves an extra memcpy\n"
1055 " glfinish\n"
1056 " Call glFinish() before swapping buffers\n"
1057 " swapinterval=<n>\n"
1058 " Interval in displayed frames between to buffer swaps.\n"
1059 " 1 is equivalent to enable VSYNC, 0 to disable VSYNC.\n"
1060 " Requires GLX_SGI_swap_control support to work.\n"
1061 " yuv=<n>\n"
1062 " 0: use software YUV to RGB conversion.\n"
1063 " 1: use register combiners (nVidia only, for older cards).\n"
1064 " 2: use fragment program.\n"
1065 " 3: use fragment program with gamma correction.\n"
1066 " 4: use fragment program with gamma correction via lookup.\n"
1067 " 5: use ATI-specific method (for older cards).\n"
1068 " 6: use lookup via 3D texture.\n"
1069 " lscale=<n>\n"
1070 " 0: use standard bilinear scaling for luma.\n"
1071 " 1: use improved bicubic scaling for luma.\n"
1072 " 2: use cubic in X, linear in Y direction scaling for luma.\n"
1073 " 3: as 1 but without using a lookup texture.\n"
1074 " 4: experimental unsharp masking (sharpening).\n"
1075 " 5: experimental unsharp masking (sharpening) with larger radius.\n"
1076 " cscale=<n>\n"
1077 " as lscale but for chroma (2x slower with little visible effect).\n"
1078 " filter-strength=<value>\n"
1079 " set the effect strength for some lscale/cscale filters\n"
1080 " customprog=<filename>\n"
1081 " use a custom YUV conversion program\n"
1082 " customtex=<filename>\n"
1083 " use a custom YUV conversion lookup texture\n"
1084 " nocustomtlin\n"
1085 " use GL_NEAREST scaling for customtex texture\n"
1086 " customtrect\n"
1087 " use texture_rectangle for customtex texture\n"
1088 " osdcolor=<0xAARRGGBB>\n"
1089 " use the given color for the OSD\n"
1090 " ycbcr\n"
1091 " also try to use the GL_MESA_ycbcr_texture extension\n"
1092 "\n" );
1093 return -1;
1095 if (use_rectangle == 1)
1096 gl_target = GL_TEXTURE_RECTANGLE;
1097 else
1098 gl_target = GL_TEXTURE_2D;
1099 yuvconvtype = use_yuv | lscale << YUV_LUM_SCALER_SHIFT | cscale << YUV_CHROM_SCALER_SHIFT;
1100 if (many_fmts)
1101 mp_msg(MSGT_VO, MSGL_INFO, "[gl] using extended formats. "
1102 "Use -vo gl:nomanyfmts if playback fails.\n");
1103 mp_msg(MSGT_VO, MSGL_V, "[gl] Using %d as slice height "
1104 "(0 means image height).\n", slice_height);
1105 if (!vo_init()) return -1; // Can't open X11
1107 return 0;
1110 #define MASK_ALL_YUV (~(1 << YUV_CONVERSION_NONE))
1111 #define MASK_NOT_COMBINERS (~((1 << YUV_CONVERSION_NONE) | (1 << YUV_CONVERSION_COMBINERS) | (1 << YUV_CONVERSION_COMBINERS_ATI)))
1112 #define MASK_GAMMA_SUPPORT (MASK_NOT_COMBINERS & ~(1 << YUV_CONVERSION_FRAGMENT))
1114 static const struct {
1115 const char *name;
1116 int *value;
1117 int supportmask;
1118 } eq_map[] = {
1119 {"brightness", &eq_bri, MASK_NOT_COMBINERS},
1120 {"contrast", &eq_cont, MASK_NOT_COMBINERS},
1121 {"saturation", &eq_sat, MASK_ALL_YUV },
1122 {"hue", &eq_hue, MASK_ALL_YUV },
1123 {"gamma", &eq_rgamma, MASK_GAMMA_SUPPORT},
1124 {"red_gamma", &eq_rgamma, MASK_GAMMA_SUPPORT},
1125 {"green_gamma", &eq_ggamma, MASK_GAMMA_SUPPORT},
1126 {"blue_gamma", &eq_bgamma, MASK_GAMMA_SUPPORT},
1127 {NULL, NULL, 0 }
1130 static int control(uint32_t request, void *data, ...)
1132 switch (request) {
1133 case VOCTRL_PAUSE:
1134 case VOCTRL_RESUME:
1135 int_pause = (request == VOCTRL_PAUSE);
1136 return VO_TRUE;
1137 case VOCTRL_QUERY_FORMAT:
1138 return query_format(*(uint32_t*)data);
1139 case VOCTRL_GET_IMAGE:
1140 return get_image(data);
1141 case VOCTRL_DRAW_IMAGE:
1142 return draw_image(data);
1143 case VOCTRL_DRAW_EOSD:
1144 if (!data)
1145 return VO_FALSE;
1146 genEOSD(data);
1147 if (vo_doublebuffering) do_render_osd(2);
1148 return VO_TRUE;
1149 case VOCTRL_GET_EOSD_RES:
1151 mp_eosd_res_t *r = data;
1152 r->w = vo_dwidth; r->h = vo_dheight;
1153 r->mt = r->mb = r->ml = r->mr = 0;
1154 if (scaled_osd) {r->w = image_width; r->h = image_height;}
1155 else if (aspect_scaling()) {
1156 r->ml = r->mr = ass_border_x;
1157 r->mt = r->mb = ass_border_y;
1160 return VO_TRUE;
1161 case VOCTRL_GUISUPPORT:
1162 return VO_TRUE;
1163 case VOCTRL_ONTOP:
1164 vo_ontop();
1165 return VO_TRUE;
1166 case VOCTRL_FULLSCREEN:
1167 vo_fullscreen();
1168 resize(vo_dwidth, vo_dheight);
1169 return VO_TRUE;
1170 case VOCTRL_BORDER:
1171 vo_border();
1172 resize(vo_dwidth, vo_dheight);
1173 return VO_TRUE;
1174 case VOCTRL_GET_PANSCAN:
1175 if (!use_aspect) return VO_NOTIMPL;
1176 return VO_TRUE;
1177 case VOCTRL_SET_PANSCAN:
1178 if (!use_aspect) return VO_NOTIMPL;
1179 resize(vo_dwidth, vo_dheight);
1180 return VO_TRUE;
1181 case VOCTRL_GET_EQUALIZER:
1182 if (image_format == IMGFMT_YV12) {
1183 int i;
1184 va_list va;
1185 int *value;
1186 va_start(va, data);
1187 value = va_arg(va, int *);
1188 va_end(va);
1189 for (i = 0; eq_map[i].name; i++)
1190 if (strcmp(data, eq_map[i].name) == 0) break;
1191 if (!(eq_map[i].supportmask & (1 << use_yuv)))
1192 break;
1193 *value = *eq_map[i].value;
1194 return VO_TRUE;
1196 break;
1197 case VOCTRL_SET_EQUALIZER:
1198 if (image_format == IMGFMT_YV12) {
1199 int i;
1200 va_list va;
1201 int value;
1202 va_start(va, data);
1203 value = va_arg(va, int);
1204 va_end(va);
1205 for (i = 0; eq_map[i].name; i++)
1206 if (strcmp(data, eq_map[i].name) == 0) break;
1207 if (!(eq_map[i].supportmask & (1 << use_yuv)))
1208 break;
1209 *eq_map[i].value = value;
1210 update_yuvconv();
1211 return VO_TRUE;
1213 break;
1214 case VOCTRL_UPDATE_SCREENINFO:
1215 update_xinerama_info();
1216 return VO_TRUE;
1218 return VO_NOTIMPL;