Merge svn changes up to r26979
[mplayer.git] / libvo / vo_gl.c
blob68345ef2ccb4057d6f4070ae2430a5ff7eb419be
1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <string.h>
4 #include <math.h>
6 #include "config.h"
7 #include "mp_msg.h"
8 #include "subopt-helper.h"
9 #include "video_out.h"
10 #include "video_out_internal.h"
11 #include "font_load.h"
12 #include "sub.h"
14 #include "gl_common.h"
15 #include "aspect.h"
16 #ifdef HAVE_NEW_GUI
17 #include "gui/interface.h"
18 #endif
19 #include "fastmemcpy.h"
20 #include "libass/ass.h"
21 #include "libass/ass_mp.h"
23 static const vo_info_t info =
25 "X11 (OpenGL)",
26 "gl",
27 "Arpad Gereoffy <arpi@esp-team.scene.hu>",
31 const LIBVO_EXTERN(gl)
33 #ifdef GL_WIN32
34 static int gl_vinfo = 0;
35 static HGLRC gl_context = 0;
36 #define update_xinerama_info w32_update_xinerama_info
37 #define vo_init vo_w32_init
38 #define vo_window vo_w32_window
39 #else
40 static XVisualInfo *gl_vinfo = NULL;
41 static GLXContext gl_context = 0;
42 static int wsGLXAttrib[] = { GLX_RGBA,
43 GLX_RED_SIZE,1,
44 GLX_GREEN_SIZE,1,
45 GLX_BLUE_SIZE,1,
46 GLX_DOUBLEBUFFER,
47 None };
48 #endif
50 static int use_osd;
51 static int scaled_osd;
52 //! How many parts the OSD may consist of at most
53 #define MAX_OSD_PARTS 20
54 //! Textures for OSD
55 static GLuint osdtex[MAX_OSD_PARTS];
56 #ifndef FAST_OSD
57 //! Alpha textures for OSD
58 static GLuint osdatex[MAX_OSD_PARTS];
59 #endif
60 static GLuint *eosdtex;
61 static GLuint largeeosdtex[2];
62 //! Display lists that draw the OSD parts
63 static GLuint osdDispList[MAX_OSD_PARTS];
64 #ifndef FAST_OSD
65 static GLuint osdaDispList[MAX_OSD_PARTS];
66 #endif
67 static GLuint eosdDispList;
68 //! How many parts the OSD currently consists of
69 static int osdtexCnt;
70 static int eosdtexCnt;
71 static int osd_color;
73 static int use_aspect;
74 static int use_yuv;
75 static int lscale;
76 static int cscale;
77 static float filter_strength;
78 static int yuvconvtype;
79 static int use_rectangle;
80 static int err_shown;
81 static uint32_t image_width;
82 static uint32_t image_height;
83 static uint32_t image_format;
84 static int many_fmts;
85 static int ati_hack;
86 static int force_pbo;
87 static int use_glFinish;
88 static int swap_interval;
89 static GLenum gl_target;
90 static GLint gl_texfmt;
91 static GLenum gl_format;
92 static GLenum gl_type;
93 static GLuint gl_buffer;
94 static int gl_buffersize;
95 static void *gl_bufferptr;
96 static GLuint fragprog;
97 static GLuint default_texs[22];
98 static char *custom_prog;
99 static char *custom_tex;
100 static int custom_tlin;
101 static int custom_trect;
103 static int int_pause;
104 static int eq_bri = 0;
105 static int eq_cont = 0;
106 static int eq_sat = 0;
107 static int eq_hue = 0;
108 static int eq_rgamma = 0;
109 static int eq_ggamma = 0;
110 static int eq_bgamma = 0;
112 static int texture_width;
113 static int texture_height;
114 static int mpi_flipped;
115 static int vo_flipped;
116 static int ass_border_x, ass_border_y;
118 static unsigned int slice_height = 1;
120 static void redraw(void);
122 static void resize(int x,int y){
123 mp_msg(MSGT_VO, MSGL_V, "[gl] Resize: %dx%d\n",x,y);
124 if (WinID >= 0) {
125 int top = 0, left = 0, w = x, h = y;
126 geometry(&top, &left, &w, &h, vo_screenwidth, vo_screenheight);
127 glViewport(top, left, w, h);
128 } else
129 glViewport( 0, 0, x, y );
131 glMatrixMode(GL_PROJECTION);
132 glLoadIdentity();
133 if (vo_fs && use_aspect) {
134 int new_w, new_h;
135 GLdouble scale_x, scale_y;
136 aspect(&new_w, &new_h, A_ZOOM);
137 panscan_calc();
138 new_w += vo_panscan_x;
139 new_h += vo_panscan_y;
140 scale_x = (GLdouble) new_w / (GLdouble) x;
141 scale_y = (GLdouble) new_h / (GLdouble) y;
142 glScaled(scale_x, scale_y, 1);
143 ass_border_x = (vo_screenwidth - new_w) / 2;
144 ass_border_y = (vo_screenheight - new_h) / 2;
146 glOrtho(0, image_width, image_height, 0, -1,1);
148 glMatrixMode(GL_MODELVIEW);
149 glLoadIdentity();
151 if (!scaled_osd) {
152 #ifdef HAVE_FREETYPE
153 // adjust font size to display size
154 force_load_font = 1;
155 #endif
156 vo_osd_changed(OSDTYPE_OSD);
158 glClear(GL_COLOR_BUFFER_BIT);
159 redraw();
162 static void texSize(int w, int h, int *texw, int *texh) {
163 if (use_rectangle) {
164 *texw = w; *texh = h;
165 } else {
166 *texw = 32;
167 while (*texw < w)
168 *texw *= 2;
169 *texh = 32;
170 while (*texh < h)
171 *texh *= 2;
175 //! maximum size of custom fragment program
176 #define MAX_CUSTOM_PROG_SIZE (1024 * 1024)
177 static void update_yuvconv(void) {
178 float bri = eq_bri / 100.0;
179 float cont = (eq_cont + 100) / 100.0;
180 float hue = eq_hue / 100.0 * 3.1415927;
181 float sat = (eq_sat + 100) / 100.0;
182 float rgamma = exp(log(8.0) * eq_rgamma / 100.0);
183 float ggamma = exp(log(8.0) * eq_ggamma / 100.0);
184 float bgamma = exp(log(8.0) * eq_bgamma / 100.0);
185 gl_conversion_params_t params = {gl_target, yuvconvtype,
186 bri, cont, hue, sat, rgamma, ggamma, bgamma,
187 texture_width, texture_height, filter_strength};
188 glSetupYUVConversion(&params);
189 if (custom_prog) {
190 FILE *f = fopen(custom_prog, "r");
191 if (!f)
192 mp_msg(MSGT_VO, MSGL_WARN,
193 "[gl] Could not read customprog %s\n", custom_prog);
194 else {
195 char *prog = calloc(1, MAX_CUSTOM_PROG_SIZE + 1);
196 fread(prog, 1, MAX_CUSTOM_PROG_SIZE, f);
197 fclose(f);
198 loadGPUProgram(GL_FRAGMENT_PROGRAM, prog);
199 free(prog);
201 ProgramEnvParameter4f(GL_FRAGMENT_PROGRAM, 0,
202 1.0 / texture_width, 1.0 / texture_height,
203 texture_width, texture_height);
205 if (custom_tex) {
206 FILE *f = fopen(custom_tex, "r");
207 if (!f)
208 mp_msg(MSGT_VO, MSGL_WARN,
209 "[gl] Could not read customtex %s\n", custom_tex);
210 else {
211 int width, height, maxval;
212 ActiveTexture(GL_TEXTURE3);
213 if (glCreatePPMTex(custom_trect?GL_TEXTURE_RECTANGLE:GL_TEXTURE_2D, 0,
214 custom_tlin?GL_LINEAR:GL_NEAREST,
215 f, &width, &height, &maxval))
216 ProgramEnvParameter4f(GL_FRAGMENT_PROGRAM, 1,
217 1.0 / width, 1.0 / height, width, height);
218 else
219 mp_msg(MSGT_VO, MSGL_WARN,
220 "[gl] Error parsing customtex %s\n", custom_tex);
221 fclose(f);
222 ActiveTexture(GL_TEXTURE0);
228 * \brief remove all OSD textures and display-lists, thus clearing it.
230 static void clearOSD(void) {
231 int i;
232 if (!osdtexCnt)
233 return;
234 glDeleteTextures(osdtexCnt, osdtex);
235 #ifndef FAST_OSD
236 glDeleteTextures(osdtexCnt, osdatex);
237 for (i = 0; i < osdtexCnt; i++)
238 glDeleteLists(osdaDispList[i], 1);
239 #endif
240 for (i = 0; i < osdtexCnt; i++)
241 glDeleteLists(osdDispList[i], 1);
242 osdtexCnt = 0;
246 * \brief remove textures, display list and free memory used by EOSD
248 static void clearEOSD(void) {
249 if (eosdDispList)
250 glDeleteLists(eosdDispList, 1);
251 eosdDispList = 0;
252 if (eosdtexCnt)
253 glDeleteTextures(eosdtexCnt, eosdtex);
254 eosdtexCnt = 0;
255 free(eosdtex);
256 eosdtex = NULL;
260 * \brief construct display list from ass image list
261 * \param img image list to create OSD from.
262 * A value of NULL has the same effect as clearEOSD()
264 static void genEOSD(mp_eosd_images_t *imgs) {
265 int sx, sy;
266 int tinytexcur = 0;
267 int smalltexcur = 0;
268 GLuint *curtex;
269 GLint scale_type = (scaled_osd) ? GL_LINEAR : GL_NEAREST;
270 ass_image_t *img = imgs->imgs;
271 ass_image_t *i;
273 if (imgs->changed == 0) // there are elements, but they are unchanged
274 return;
275 if (img && imgs->changed == 1) // there are elements, but they just moved
276 goto skip_upload;
278 clearEOSD();
279 if (!img)
280 return;
281 if (!largeeosdtex[0]) {
282 glGenTextures(2, largeeosdtex);
283 BindTexture(gl_target, largeeosdtex[0]);
284 glCreateClearTex(gl_target, GL_ALPHA, scale_type, 512, 512, 0);
285 BindTexture(gl_target, largeeosdtex[1]);
286 glCreateClearTex(gl_target, GL_ALPHA, scale_type, 512, 512, 0);
288 for (i = img; i; i = i->next)
290 if (i->w <= 0 || i->h <= 0 || i->stride < i->w)
291 continue;
292 if (i->w < 16 && i->h < 16 && tinytexcur < 1024)
293 tinytexcur++;
294 else if (i->w < 32 && i->h < 32 && smalltexcur < 256)
295 smalltexcur++;
296 else
297 eosdtexCnt++;
299 mp_msg(MSGT_VO, MSGL_DBG2, "EOSD counts (tiny, small, all): %i, %i, %i\n",
300 tinytexcur, smalltexcur, eosdtexCnt);
301 if (eosdtexCnt) {
302 eosdtex = calloc(eosdtexCnt, sizeof(GLuint));
303 glGenTextures(eosdtexCnt, eosdtex);
305 tinytexcur = smalltexcur = 0;
306 for (i = img, curtex = eosdtex; i; i = i->next) {
307 int x = 0, y = 0;
308 if (i->w <= 0 || i->h <= 0 || i->stride < i->w) {
309 mp_msg(MSGT_VO, MSGL_V, "Invalid dimensions OSD for part!\n");
310 continue;
312 if (i->w < 16 && i->h < 16 && tinytexcur < 1024) {
313 x = (tinytexcur & 31) << 4;
314 y = (tinytexcur >> 5) << 4;
315 BindTexture(gl_target, largeeosdtex[0]);
316 tinytexcur++;
317 } else if (i->w < 32 && i->h < 32 && smalltexcur < 256) {
318 x = (smalltexcur & 15) << 5;
319 y = (smalltexcur >> 4) << 5;
320 BindTexture(gl_target, largeeosdtex[1]);
321 smalltexcur++;
322 } else {
323 texSize(i->w, i->h, &sx, &sy);
324 BindTexture(gl_target, *curtex++);
325 glCreateClearTex(gl_target, GL_ALPHA, scale_type, sx, sy, 0);
327 glUploadTex(gl_target, GL_ALPHA, GL_UNSIGNED_BYTE, i->bitmap, i->stride,
328 x, y, i->w, i->h, 0);
330 eosdDispList = glGenLists(1);
331 skip_upload:
332 glNewList(eosdDispList, GL_COMPILE);
333 tinytexcur = smalltexcur = 0;
334 for (i = img, curtex = eosdtex; i; i = i->next) {
335 int x = 0, y = 0;
336 if (i->w <= 0 || i->h <= 0 || i->stride < i->w)
337 continue;
338 glColor4ub(i->color >> 24, (i->color >> 16) & 0xff, (i->color >> 8) & 0xff, 255 - (i->color & 0xff));
339 if (i->w < 16 && i->h < 16 && tinytexcur < 1024) {
340 x = (tinytexcur & 31) << 4;
341 y = (tinytexcur >> 5) << 4;
342 sx = sy = 512;
343 BindTexture(gl_target, largeeosdtex[0]);
344 tinytexcur++;
345 } else if (i->w < 32 && i->h < 32 && smalltexcur < 256) {
346 x = (smalltexcur & 15) << 5;
347 y = (smalltexcur >> 4) << 5;
348 sx = sy = 512;
349 BindTexture(gl_target, largeeosdtex[1]);
350 smalltexcur++;
351 } else {
352 texSize(i->w, i->h, &sx, &sy);
353 BindTexture(gl_target, *curtex++);
355 glDrawTex(i->dst_x, i->dst_y, i->w, i->h, x, y, i->w, i->h, sx, sy, use_rectangle == 1, 0, 0);
357 glEndList();
358 BindTexture(gl_target, 0);
362 * \brief uninitialize OpenGL context, freeing textures, buffers etc.
364 static void uninitGl(void) {
365 int i = 0;
366 if (DeletePrograms && fragprog)
367 DeletePrograms(1, &fragprog);
368 fragprog = 0;
369 while (default_texs[i] != 0)
370 i++;
371 if (i)
372 glDeleteTextures(i, default_texs);
373 default_texs[0] = 0;
374 clearOSD();
375 clearEOSD();
376 if (largeeosdtex[0])
377 glDeleteTextures(2, largeeosdtex);
378 largeeosdtex[0] = 0;
379 if (DeleteBuffers && gl_buffer)
380 DeleteBuffers(1, &gl_buffer);
381 gl_buffer = 0; gl_buffersize = 0;
382 gl_bufferptr = NULL;
383 err_shown = 0;
387 * \brief Initialize a (new or reused) OpenGL context.
388 * set global gl-related variables to their default values
390 static int initGl(uint32_t d_width, uint32_t d_height) {
391 texSize(image_width, image_height, &texture_width, &texture_height);
393 glDisable(GL_BLEND);
394 glDisable(GL_DEPTH_TEST);
395 glDepthMask(GL_FALSE);
396 glDisable(GL_CULL_FACE);
397 glEnable(gl_target);
398 glDrawBuffer(vo_doublebuffering?GL_BACK:GL_FRONT);
399 glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
401 mp_msg(MSGT_VO, MSGL_V, "[gl] Creating %dx%d texture...\n",
402 texture_width, texture_height);
404 if (image_format == IMGFMT_YV12) {
405 int i;
406 glGenTextures(21, default_texs);
407 default_texs[21] = 0;
408 for (i = 0; i < 7; i++) {
409 ActiveTexture(GL_TEXTURE1 + i);
410 BindTexture(GL_TEXTURE_2D, default_texs[i]);
411 BindTexture(GL_TEXTURE_RECTANGLE, default_texs[i + 7]);
412 BindTexture(GL_TEXTURE_3D, default_texs[i + 14]);
414 ActiveTexture(GL_TEXTURE1);
415 glCreateClearTex(gl_target, gl_texfmt, GL_LINEAR,
416 texture_width / 2, texture_height / 2, 128);
417 ActiveTexture(GL_TEXTURE2);
418 glCreateClearTex(gl_target, gl_texfmt, GL_LINEAR,
419 texture_width / 2, texture_height / 2, 128);
420 switch (use_yuv) {
421 case YUV_CONVERSION_FRAGMENT_LOOKUP:
422 case YUV_CONVERSION_FRAGMENT_POW:
423 case YUV_CONVERSION_FRAGMENT:
424 if (!GenPrograms || !BindProgram) {
425 mp_msg(MSGT_VO, MSGL_ERR, "[gl] fragment program functions missing!\n");
426 break;
428 GenPrograms(1, &fragprog);
429 BindProgram(GL_FRAGMENT_PROGRAM, fragprog);
430 break;
432 ActiveTexture(GL_TEXTURE0);
433 BindTexture(gl_target, 0);
434 update_yuvconv();
436 glCreateClearTex(gl_target, gl_texfmt, GL_LINEAR,
437 texture_width, texture_height, 0);
439 resize(d_width, d_height);
441 glClearColor( 0.0f,0.0f,0.0f,0.0f );
442 glClear( GL_COLOR_BUFFER_BIT );
443 if (SwapInterval && swap_interval >= 0)
444 SwapInterval(swap_interval);
445 return 1;
448 /* connect to server, create and map window,
449 * allocate colors and (shared) memory
451 static int
452 config(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t flags, char *title, uint32_t format)
454 image_height = height;
455 image_width = width;
456 image_format = format;
457 glFindFormat(format, NULL, &gl_texfmt, &gl_format, &gl_type);
459 int_pause = 0;
460 vo_flipped = !!(flags & VOFLAG_FLIPPING);
462 #ifdef HAVE_NEW_GUI
463 if (use_gui) {
464 // GUI creates and manages window for us
465 guiGetEvent(guiSetShVideo, 0);
466 #ifndef GL_WIN32
467 goto glconfig;
468 #endif
470 #endif
471 #ifdef GL_WIN32
472 if (!vo_w32_config(d_width, d_height, flags))
473 return -1;
474 #else
475 vo_mouse_autohide = 1;
476 if (WinID >= 0) {
477 vo_window = WinID ? (Window)WinID : mRootWin;
478 vo_x11_selectinput_witherr(mDisplay, vo_window,
479 StructureNotifyMask | KeyPressMask | PointerMotionMask |
480 ButtonPressMask | ButtonReleaseMask | ExposureMask);
481 goto glconfig;
484 XVisualInfo *vinfo=glXChooseVisual( mDisplay,mScreen,wsGLXAttrib );
485 if (vinfo == NULL)
487 mp_msg(MSGT_VO, MSGL_ERR, "[gl] no GLX support present\n");
488 return -1;
491 vo_x11_create_vo_window(vinfo, vo_dx, vo_dy, d_width, d_height, flags,
492 XCreateColormap(mDisplay, mRootWin, vinfo->visual, AllocNone),
493 "gl", title);
495 #endif
497 glconfig:
498 if (vo_config_count)
499 uninitGl();
500 setGlWindow(&gl_vinfo, &gl_context, vo_window);
501 initGl(vo_dwidth, vo_dheight);
503 return 0;
506 static void check_events(void)
508 int e=vo_check_events();
509 if(e&VO_EVENT_RESIZE) resize(vo_dwidth,vo_dheight);
510 if(e&VO_EVENT_EXPOSE && int_pause) redraw();
514 * Creates the textures and the display list needed for displaying
515 * an OSD part.
516 * Callback function for vo_draw_text().
518 static void create_osd_texture(int x0, int y0, int w, int h,
519 unsigned char *src, unsigned char *srca,
520 int stride)
522 // initialize to 8 to avoid special-casing on alignment
523 int sx = 8, sy = 8;
524 GLint scale_type = (scaled_osd) ? GL_LINEAR : GL_NEAREST;
526 if (w <= 0 || h <= 0 || stride < w) {
527 mp_msg(MSGT_VO, MSGL_V, "Invalid dimensions OSD for part!\n");
528 return;
530 texSize(w, h, &sx, &sy);
532 if (osdtexCnt >= MAX_OSD_PARTS) {
533 mp_msg(MSGT_VO, MSGL_ERR, "Too many OSD parts, contact the developers!\n");
534 return;
537 // create Textures for OSD part
538 glGenTextures(1, &osdtex[osdtexCnt]);
539 BindTexture(gl_target, osdtex[osdtexCnt]);
540 glCreateClearTex(gl_target, GL_LUMINANCE, scale_type, sx, sy, 0);
541 glUploadTex(gl_target, GL_LUMINANCE, GL_UNSIGNED_BYTE, src, stride,
542 0, 0, w, h, 0);
544 #ifndef FAST_OSD
545 glGenTextures(1, &osdatex[osdtexCnt]);
546 BindTexture(gl_target, osdatex[osdtexCnt]);
547 glCreateClearTex(gl_target, GL_ALPHA, scale_type, sx, sy, 255);
549 int i;
550 char *tmp = malloc(stride * h);
551 // convert alpha from weird MPlayer scale.
552 // in-place is not possible since it is reused for future OSDs
553 for (i = h * stride - 1; i >= 0; i--)
554 tmp[i] = -srca[i];
555 glUploadTex(gl_target, GL_ALPHA, GL_UNSIGNED_BYTE, tmp, stride,
556 0, 0, w, h, 0);
557 free(tmp);
559 #endif
561 BindTexture(gl_target, 0);
563 // Create a list for rendering this OSD part
564 #ifndef FAST_OSD
565 osdaDispList[osdtexCnt] = glGenLists(1);
566 glNewList(osdaDispList[osdtexCnt], GL_COMPILE);
567 // render alpha
568 BindTexture(gl_target, osdatex[osdtexCnt]);
569 glDrawTex(x0, y0, w, h, 0, 0, w, h, sx, sy, use_rectangle == 1, 0, 0);
570 glEndList();
571 #endif
572 osdDispList[osdtexCnt] = glGenLists(1);
573 glNewList(osdDispList[osdtexCnt], GL_COMPILE);
574 // render OSD
575 BindTexture(gl_target, osdtex[osdtexCnt]);
576 glDrawTex(x0, y0, w, h, 0, 0, w, h, sx, sy, use_rectangle == 1, 0, 0);
577 glEndList();
579 osdtexCnt++;
582 static void do_render_osd(void);
584 static void draw_osd(void)
586 if (!use_osd) return;
587 if (vo_osd_changed(0)) {
588 int osd_h, osd_w;
589 clearOSD();
590 osd_w = (scaled_osd) ? image_width : vo_dwidth;
591 osd_h = (scaled_osd) ? image_height : vo_dheight;
592 vo_draw_text(osd_w, osd_h, create_osd_texture);
594 if (vo_doublebuffering) do_render_osd();
597 static void do_render(void) {
598 // glEnable(GL_TEXTURE_2D);
599 // glBindTexture(GL_TEXTURE_2D, texture_id);
601 glColor3f(1,1,1);
602 if (image_format == IMGFMT_YV12)
603 glEnableYUVConversion(gl_target, yuvconvtype);
604 glDrawTex(0, 0, image_width, image_height,
605 0, 0, image_width, image_height,
606 texture_width, texture_height,
607 use_rectangle == 1, image_format == IMGFMT_YV12,
608 mpi_flipped ^ vo_flipped);
609 if (image_format == IMGFMT_YV12)
610 glDisableYUVConversion(gl_target, yuvconvtype);
613 static void do_render_osd(void) {
614 if (osdtexCnt > 0 || eosdDispList) {
615 // set special rendering parameters
616 if (!scaled_osd) {
617 glMatrixMode(GL_PROJECTION);
618 glPushMatrix();
619 glLoadIdentity();
620 glOrtho(0, vo_dwidth, vo_dheight, 0, -1, 1);
622 glEnable(GL_BLEND);
623 if (eosdDispList) {
624 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
625 glCallList(eosdDispList);
627 if (osdtexCnt > 0) {
628 glColor4ub((osd_color >> 16) & 0xff, (osd_color >> 8) & 0xff, osd_color & 0xff, 0xff - (osd_color >> 24));
629 // draw OSD
630 #ifndef FAST_OSD
631 glBlendFunc(GL_ZERO, GL_ONE_MINUS_SRC_ALPHA);
632 glCallLists(osdtexCnt, GL_UNSIGNED_INT, osdaDispList);
633 #endif
634 glBlendFunc(GL_SRC_ALPHA, GL_ONE);
635 glCallLists(osdtexCnt, GL_UNSIGNED_INT, osdDispList);
637 // set rendering parameters back to defaults
638 glDisable (GL_BLEND);
639 if (!scaled_osd)
640 glPopMatrix();
641 BindTexture(gl_target, 0);
645 static void flip_page(void) {
646 if (vo_doublebuffering) {
647 if (use_glFinish) glFinish();
648 swapGlBuffers();
649 if (vo_fs && use_aspect)
650 glClear(GL_COLOR_BUFFER_BIT);
651 } else {
652 do_render();
653 do_render_osd();
654 if (use_glFinish) glFinish();
655 else glFlush();
659 static void redraw(void) {
660 if (vo_doublebuffering) { do_render(); do_render_osd(); }
661 flip_page();
664 //static inline uint32_t draw_slice_x11(uint8_t *src[], uint32_t slice_num)
665 static int draw_slice(uint8_t *src[], int stride[], int w,int h,int x,int y)
667 mpi_flipped = (stride[0] < 0);
668 glUploadTex(gl_target, gl_format, gl_type, src[0], stride[0],
669 x, y, w, h, slice_height);
670 if (image_format == IMGFMT_YV12) {
671 ActiveTexture(GL_TEXTURE1);
672 glUploadTex(gl_target, gl_format, gl_type, src[1], stride[1],
673 x / 2, y / 2, w / 2, h / 2, slice_height);
674 ActiveTexture(GL_TEXTURE2);
675 glUploadTex(gl_target, gl_format, gl_type, src[2], stride[2],
676 x / 2, y / 2, w / 2, h / 2, slice_height);
677 ActiveTexture(GL_TEXTURE0);
679 return 0;
682 static uint32_t get_image(mp_image_t *mpi) {
683 if (!GenBuffers || !BindBuffer || !BufferData || !MapBuffer) {
684 if (!err_shown)
685 mp_msg(MSGT_VO, MSGL_ERR, "[gl] extensions missing for dr\n"
686 "Expect a _major_ speed penalty\n");
687 err_shown = 1;
688 return VO_FALSE;
690 if (mpi->flags & MP_IMGFLAG_READABLE) return VO_FALSE;
691 if (!gl_buffer)
692 GenBuffers(1, &gl_buffer);
693 BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer);
694 if (ati_hack)
695 mpi->width = (mpi->width + 63) & ~63;
696 mpi->stride[0] = mpi->width * mpi->bpp / 8;
697 if (mpi->stride[0] * mpi->height > gl_buffersize) {
698 BufferData(GL_PIXEL_UNPACK_BUFFER, mpi->stride[0] * mpi->height,
699 NULL, GL_DYNAMIC_DRAW);
700 gl_buffersize = mpi->stride[0] * mpi->height;
702 if (!gl_bufferptr)
703 gl_bufferptr = MapBuffer(GL_PIXEL_UNPACK_BUFFER, GL_WRITE_ONLY);
704 mpi->planes[0] = gl_bufferptr;
705 BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
706 if (mpi->planes[0] == NULL) {
707 if (!err_shown)
708 mp_msg(MSGT_VO, MSGL_ERR, "[gl] could not acquire buffer for dr\n"
709 "Expect a _major_ speed penalty\n");
710 err_shown = 1;
711 return VO_FALSE;
713 if (mpi->imgfmt == IMGFMT_YV12) {
714 // YV12
715 mpi->flags |= MP_IMGFLAG_COMMON_STRIDE | MP_IMGFLAG_COMMON_PLANE;
716 mpi->stride[0] = mpi->width;
717 mpi->planes[1] = mpi->planes[0] + mpi->stride[0] * mpi->height;
718 mpi->stride[1] = mpi->width >> 1;
719 mpi->planes[2] = mpi->planes[1] + mpi->stride[1] * (mpi->height >> 1);
720 mpi->stride[2] = mpi->width >> 1;
722 mpi->flags |= MP_IMGFLAG_DIRECT;
723 return VO_TRUE;
726 static uint32_t draw_image(mp_image_t *mpi) {
727 int slice = slice_height;
728 int stride[3];
729 unsigned char *planes[3];
730 mp_image_t mpi2 = *mpi;
731 if (mpi->flags & MP_IMGFLAG_DRAW_CALLBACK)
732 goto skip_upload;
733 mpi2.flags = 0; mpi2.type = MP_IMGTYPE_TEMP;
734 mpi2.width = mpi2.w; mpi2.height = mpi2.h;
735 if (force_pbo && !(mpi->flags & MP_IMGFLAG_DIRECT) && !gl_bufferptr && get_image(&mpi2) == VO_TRUE) {
736 int bpp = mpi->imgfmt == IMGFMT_YV12 ? 1 : mpi->bpp;
737 memcpy_pic(mpi2.planes[0], mpi->planes[0], mpi->w * bpp, mpi->h, mpi2.stride[0], mpi->stride[0]);
738 if (mpi->imgfmt == IMGFMT_YV12) {
739 memcpy_pic(mpi2.planes[1], mpi->planes[1], mpi->w >> 1, mpi->h >> 1, mpi2.stride[1], mpi->stride[1]);
740 memcpy_pic(mpi2.planes[2], mpi->planes[2], mpi->w >> 1, mpi->h >> 1, mpi2.stride[2], mpi->stride[2]);
742 mpi = &mpi2;
744 stride[0] = mpi->stride[0]; stride[1] = mpi->stride[1]; stride[2] = mpi->stride[2];
745 planes[0] = mpi->planes[0]; planes[1] = mpi->planes[1]; planes[2] = mpi->planes[2];
746 mpi_flipped = (stride[0] < 0);
747 if (mpi->flags & MP_IMGFLAG_DIRECT) {
748 intptr_t base = (intptr_t)planes[0];
749 if (mpi_flipped)
750 base += (mpi->h - 1) * stride[0];
751 planes[0] -= base;
752 planes[1] -= base;
753 planes[2] -= base;
754 BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer);
755 UnmapBuffer(GL_PIXEL_UNPACK_BUFFER);
756 gl_bufferptr = NULL;
757 slice = 0; // always "upload" full texture
759 glUploadTex(gl_target, gl_format, gl_type, planes[0], stride[0],
760 mpi->x, mpi->y, mpi->w, mpi->h, slice);
761 if (mpi->imgfmt == IMGFMT_YV12) {
762 ActiveTexture(GL_TEXTURE1);
763 glUploadTex(gl_target, gl_format, gl_type, planes[1], stride[1],
764 mpi->x / 2, mpi->y / 2, mpi->w / 2, mpi->h / 2, slice);
765 ActiveTexture(GL_TEXTURE2);
766 glUploadTex(gl_target, gl_format, gl_type, planes[2], stride[2],
767 mpi->x / 2, mpi->y / 2, mpi->w / 2, mpi->h / 2, slice);
768 ActiveTexture(GL_TEXTURE0);
770 if (mpi->flags & MP_IMGFLAG_DIRECT)
771 BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
772 skip_upload:
773 if (vo_doublebuffering) do_render();
774 return VO_TRUE;
777 static int
778 draw_frame(uint8_t *src[])
780 return VO_ERROR;
783 static int
784 query_format(uint32_t format)
786 int caps = VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW |
787 VFCAP_FLIP |
788 VFCAP_HWSCALE_UP | VFCAP_HWSCALE_DOWN | VFCAP_ACCEPT_STRIDE;
789 if (use_osd)
790 caps |= VFCAP_OSD | VFCAP_EOSD | (scaled_osd ? 0 : VFCAP_EOSD_UNSCALED);
791 if ((format == IMGFMT_RGB24) || (format == IMGFMT_RGBA))
792 return caps;
793 if (use_yuv && format == IMGFMT_YV12)
794 return caps;
795 // HACK, otherwise we get only b&w with some filters (e.g. -vf eq)
796 // ideally MPlayer should be fixed instead not to use Y800 when it has the choice
797 if (!use_yuv && (format == IMGFMT_Y8 || format == IMGFMT_Y800))
798 return 0;
799 if (many_fmts &&
800 glFindFormat(format, NULL, NULL, NULL, NULL))
801 return caps;
802 return 0;
806 static void
807 uninit(void)
809 if ( !vo_config_count ) return;
810 uninitGl();
811 releaseGlContext(&gl_vinfo, &gl_context);
812 if (custom_prog) free(custom_prog);
813 custom_prog = NULL;
814 if (custom_tex) free(custom_tex);
815 custom_tex = NULL;
816 vo_uninit();
819 static opt_t subopts[] = {
820 {"manyfmts", OPT_ARG_BOOL, &many_fmts, NULL},
821 {"osd", OPT_ARG_BOOL, &use_osd, NULL},
822 {"scaled-osd", OPT_ARG_BOOL, &scaled_osd, NULL},
823 {"aspect", OPT_ARG_BOOL, &use_aspect, NULL},
824 {"slice-height", OPT_ARG_INT, &slice_height, (opt_test_f)int_non_neg},
825 {"rectangle", OPT_ARG_INT, &use_rectangle,(opt_test_f)int_non_neg},
826 {"yuv", OPT_ARG_INT, &use_yuv, (opt_test_f)int_non_neg},
827 {"lscale", OPT_ARG_INT, &lscale, (opt_test_f)int_non_neg},
828 {"cscale", OPT_ARG_INT, &cscale, (opt_test_f)int_non_neg},
829 {"filter-strength", OPT_ARG_FLOAT, &filter_strength, NULL},
830 {"ati-hack", OPT_ARG_BOOL, &ati_hack, NULL},
831 {"force-pbo", OPT_ARG_BOOL, &force_pbo, NULL},
832 {"glfinish", OPT_ARG_BOOL, &use_glFinish, NULL},
833 {"swapinterval", OPT_ARG_INT, &swap_interval,NULL},
834 {"customprog", OPT_ARG_MSTRZ,&custom_prog, NULL},
835 {"customtex", OPT_ARG_MSTRZ,&custom_tex, NULL},
836 {"customtlin", OPT_ARG_BOOL, &custom_tlin, NULL},
837 {"customtrect", OPT_ARG_BOOL, &custom_trect, NULL},
838 {"osdcolor", OPT_ARG_INT, &osd_color, NULL},
839 {NULL}
842 static int preinit(const char *arg)
844 // set defaults
845 many_fmts = 1;
846 use_osd = 1;
847 scaled_osd = 0;
848 use_aspect = 1;
849 use_yuv = 0;
850 lscale = 0;
851 cscale = 0;
852 filter_strength = 0.5;
853 use_rectangle = 0;
854 use_glFinish = 0;
855 ati_hack = 0;
856 force_pbo = 0;
857 swap_interval = 1;
858 slice_height = 0;
859 custom_prog = NULL;
860 custom_tex = NULL;
861 custom_tlin = 1;
862 custom_trect = 0;
863 osd_color = 0xffffff;
864 if (subopt_parse(arg, subopts) != 0) {
865 mp_msg(MSGT_VO, MSGL_FATAL,
866 "\n-vo gl command line help:\n"
867 "Example: mplayer -vo gl:slice-height=4\n"
868 "\nOptions:\n"
869 " nomanyfmts\n"
870 " Disable extended color formats for OpenGL 1.2 and later\n"
871 " slice-height=<0-...>\n"
872 " Slice size for texture transfer, 0 for whole image\n"
873 " noosd\n"
874 " Do not use OpenGL OSD code\n"
875 " noaspect\n"
876 " Do not do aspect scaling\n"
877 " rectangle=<0,1,2>\n"
878 " 0: use power-of-two textures\n"
879 " 1: use texture_rectangle\n"
880 " 2: use texture_non_power_of_two\n"
881 " ati-hack\n"
882 " Workaround ATI bug with PBOs\n"
883 " force-pbo\n"
884 " Force use of PBO even if this involves an extra memcpy\n"
885 " glfinish\n"
886 " Call glFinish() before swapping buffers\n"
887 " swapinterval=<n>\n"
888 " Interval in displayed frames between to buffer swaps.\n"
889 " 1 is equivalent to enable VSYNC, 0 to disable VSYNC.\n"
890 " Requires GLX_SGI_swap_control support to work.\n"
891 " yuv=<n>\n"
892 " 0: use software YUV to RGB conversion.\n"
893 " 1: use register combiners (nVidia only, for older cards).\n"
894 " 2: use fragment program.\n"
895 " 3: use fragment program with gamma correction.\n"
896 " 4: use fragment program with gamma correction via lookup.\n"
897 " 5: use ATI-specific method (for older cards).\n"
898 " 6: use lookup via 3D texture.\n"
899 " lscale=<n>\n"
900 " 0: use standard bilinear scaling for luma.\n"
901 " 1: use improved bicubic scaling for luma.\n"
902 " 2: use cubic in X, linear in Y direction scaling for luma.\n"
903 " 3: as 1 but without using a lookup texture.\n"
904 " 4: experimental unsharp masking.\n"
905 " cscale=<n>\n"
906 " as lscale but for chroma (2x slower with little visible effect).\n"
907 " customprog=<filename>\n"
908 " use a custom YUV conversion program\n"
909 " customtex=<filename>\n"
910 " use a custom YUV conversion lookup texture\n"
911 " nocustomtlin\n"
912 " use GL_NEAREST scaling for customtex texture\n"
913 " customtrect\n"
914 " use texture_rectangle for customtex texture\n"
915 " osdcolor=<0xAARRGGBB>\n"
916 " use the given color for the OSD\n"
917 "\n" );
918 return -1;
920 if (use_rectangle == 1)
921 gl_target = GL_TEXTURE_RECTANGLE;
922 else
923 gl_target = GL_TEXTURE_2D;
924 yuvconvtype = use_yuv | lscale << YUV_LUM_SCALER_SHIFT | cscale << YUV_CHROM_SCALER_SHIFT;
925 if (many_fmts)
926 mp_msg (MSGT_VO, MSGL_INFO, "[gl] using extended formats. "
927 "Use -vo gl:nomanyfmts if playback fails.\n");
928 mp_msg (MSGT_VO, MSGL_V, "[gl] Using %d as slice height "
929 "(0 means image height).\n", slice_height);
930 if( !vo_init() ) return -1; // Can't open X11
932 return 0;
935 #define MASK_ALL_YUV (~(1 << YUV_CONVERSION_NONE))
936 #define MASK_NOT_COMBINERS (~((1 << YUV_CONVERSION_NONE) | (1 << YUV_CONVERSION_COMBINERS) | (1 << YUV_CONVERSION_COMBINERS_ATI)))
937 #define MASK_GAMMA_SUPPORT (MASK_NOT_COMBINERS & ~(1 << YUV_CONVERSION_FRAGMENT))
939 static const struct {
940 const char *name;
941 int *value;
942 int supportmask;
943 } eq_map[] = {
944 {"brightness", &eq_bri, MASK_NOT_COMBINERS},
945 {"contrast", &eq_cont, MASK_NOT_COMBINERS},
946 {"saturation", &eq_sat, MASK_ALL_YUV },
947 {"hue", &eq_hue, MASK_ALL_YUV },
948 {"gamma", &eq_rgamma, MASK_GAMMA_SUPPORT},
949 {"red_gamma", &eq_rgamma, MASK_GAMMA_SUPPORT},
950 {"green_gamma", &eq_ggamma, MASK_GAMMA_SUPPORT},
951 {"blue_gamma", &eq_bgamma, MASK_GAMMA_SUPPORT},
952 {NULL, NULL, 0 }
955 static int control(uint32_t request, void *data)
957 switch (request) {
958 case VOCTRL_PAUSE:
959 case VOCTRL_RESUME:
960 int_pause = (request == VOCTRL_PAUSE);
961 return VO_TRUE;
962 case VOCTRL_QUERY_FORMAT:
963 return query_format(*((uint32_t*)data));
964 case VOCTRL_GET_IMAGE:
965 return get_image(data);
966 case VOCTRL_DRAW_IMAGE:
967 return draw_image(data);
968 case VOCTRL_DRAW_EOSD:
969 if (!data)
970 return VO_FALSE;
971 genEOSD(data);
972 return VO_TRUE;
973 case VOCTRL_GET_EOSD_RES:
975 mp_eosd_res_t *r = data;
976 r->mt = r->mb = r->ml = r->mr = 0;
977 if (scaled_osd) {r->w = image_width; r->h = image_height;}
978 else if (vo_fs) {
979 r->w = vo_screenwidth; r->h = vo_screenheight;
980 r->ml = r->mr = ass_border_x;
981 r->mt = r->mb = ass_border_y;
982 } else {
983 r->w = vo_dwidth; r->h = vo_dheight;
986 return VO_TRUE;
987 case VOCTRL_GUISUPPORT:
988 return VO_TRUE;
989 case VOCTRL_ONTOP:
990 vo_gl_ontop();
991 return VO_TRUE;
992 case VOCTRL_FULLSCREEN:
993 vo_fullscreen();
994 resize(vo_dwidth, vo_dheight);
995 return VO_TRUE;
996 #ifdef GL_WIN32
997 case VOCTRL_BORDER:
998 vo_w32_border();
999 resize(vo_dwidth, vo_dheight);
1000 return VO_TRUE;
1001 #endif
1002 case VOCTRL_GET_PANSCAN:
1003 if (!use_aspect) return VO_NOTIMPL;
1004 return VO_TRUE;
1005 case VOCTRL_SET_PANSCAN:
1006 if (!use_aspect) return VO_NOTIMPL;
1007 resize (vo_dwidth, vo_dheight);
1008 return VO_TRUE;
1009 case VOCTRL_GET_EQUALIZER:
1010 if (image_format == IMGFMT_YV12) {
1011 struct voctrl_get_equalizer_args *args = data;
1012 int i;
1013 for (i = 0; eq_map[i].name; i++)
1014 if (strcmp(args->name, eq_map[i].name) == 0) break;
1015 if (!(eq_map[i].supportmask & (1 << use_yuv)))
1016 break;
1017 *args->valueptr = *eq_map[i].value;
1018 return VO_TRUE;
1020 break;
1021 case VOCTRL_SET_EQUALIZER:
1022 if (image_format == IMGFMT_YV12) {
1023 struct voctrl_set_equalizer_args *args = data;
1024 int i;
1025 for (i = 0; eq_map[i].name; i++)
1026 if (strcmp(args->name, eq_map[i].name) == 0) break;
1027 if (!(eq_map[i].supportmask & (1 << use_yuv)))
1028 break;
1029 *eq_map[i].value = args->value;
1030 update_yuvconv();
1031 return VO_TRUE;
1033 break;
1034 case VOCTRL_UPDATE_SCREENINFO:
1035 update_xinerama_info();
1036 return VO_TRUE;
1038 return VO_NOTIMPL;