libvo/vo_gl2.c

   1 /*
   2  * X11/OpenGL interface
   3  * based on video_out_x11 by Aaron Holtzman,
   4  * and WS opengl window manager by Pontscho/Fresh!
   5  *
   6  * This file is part of MPlayer.
   7  *
   8  * MPlayer is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * MPlayer is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 #include "config.h"
  28 #include "mp_msg.h"
  29 #include "subopt-helper.h"
  30 #include "video_out.h"
  31 #include "video_out_internal.h"
  32 #include "sub.h"
  33
  34 #include "gl_common.h"
  35 #include "aspect.h"
  36 #ifdef CONFIG_GUI
  37 #include "gui/interface.h"
  38 #endif
  39
  40 #undef TEXTUREFORMAT_ALWAYS
  41 #ifdef __APPLE__
  42 #define TEXTUREFORMAT_ALWAYS GL_RGBA8
  43 #endif
  44
  45 //! force texture height, useful for debugging
  46 #define TEXTURE_HEIGHT 128
  47 #undef TEXTURE_HEIGHT
  48 //! force texture width, useful for debugging
  49 #define TEXTURE_WIDTH 128
  50 #undef TEXTURE_WIDTH
  51
  52 static const vo_info_t info =
  53 {
  54   "X11 (OpenGL) - multiple textures version",
  55   "gl2",
  56   "Arpad Gereoffy & Sven Goethel",
  57   ""
  58 };
  59
  60 const LIBVO_EXTERN(gl2)
  61
  62 /* local data */
  63 static unsigned char *ImageData=NULL;
  64
  65 static MPGLContext glctx;
  66
  67 static uint32_t image_width;
  68 static uint32_t image_height;
  69 static uint32_t image_format;
  70 static uint32_t image_bpp;
  71 static uint32_t image_bytes;
  72
  73 static int int_pause;
  74
  75 static uint32_t texture_width;
  76 static uint32_t texture_height;
  77 static int texnumx, texnumy, raw_line_len;
  78 static int texdirty;
  79 static struct TexSquare * texgrid = NULL;
  80 static GLuint   fragprog;
  81 static GLuint   lookupTex;
  82 static GLint    gl_internal_format;
  83 static int      rgb_sz, r_sz, g_sz, b_sz, a_sz;
  84 static GLenum   gl_bitmap_format;
  85 static GLenum   gl_bitmap_type;
  86 static int      isGL12 = GL_FALSE;
  87
  88 static int      gl_bilinear=1;
  89 static int      gl_antialias=0;
  90 static int      use_yuv;
  91 static int      is_yuv;
  92 static int      use_glFinish;
  93
  94 static void (*draw_alpha_fnc)
  95                  (int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride);
  96
  97
  98 /* The squares that are tiled to make up the game screen polygon */
  99
 100 struct TexSquare
 101 {
 102   GLubyte *texture;
 103   GLuint texobj;
 104   GLuint uvtexobjs[2];
 105   GLfloat fx, fy, fw, fh;
 106 };
 107
 108 static GLint getInternalFormat(void)
 109 {
 110   switch (glctx.type) {
 111 #ifdef CONFIG_GL_WIN32
 112   case GLTYPE_W32:
 113   {
 114   PIXELFORMATDESCRIPTOR pfd;
 115   HDC vo_hdc = vo_w32_get_dc(vo_w32_window);
 116   int pf = GetPixelFormat(vo_hdc);
 117   if (!DescribePixelFormat(vo_hdc, pf, sizeof pfd, &pfd)) {
 118     r_sz = g_sz = b_sz = a_sz = 0;
 119   } else {
 120     r_sz = pfd.cRedBits;
 121     g_sz = pfd.cGreenBits;
 122     b_sz = pfd.cBlueBits;
 123     a_sz = pfd.cAlphaBits;
 124   }
 125   vo_w32_release_dc(vo_w32_window, vo_hdc);
 126   }
 127   break;
 128 #endif
 129 #ifdef CONFIG_GL_X11
 130   case GLTYPE_X11:
 131   if (glXGetConfig(mDisplay, glctx.vinfo.x11, GLX_RED_SIZE, &r_sz) != 0) r_sz = 0;
 132   if (glXGetConfig(mDisplay, glctx.vinfo.x11, GLX_GREEN_SIZE, &g_sz) != 0) g_sz = 0;
 133   if (glXGetConfig(mDisplay, glctx.vinfo.x11, GLX_BLUE_SIZE, &b_sz) != 0) b_sz = 0;
 134   if (glXGetConfig(mDisplay, glctx.vinfo.x11, GLX_ALPHA_SIZE, &a_sz) != 0) a_sz = 0;
 135   break;
 136 #endif
 137   }
 138
 139   rgb_sz=r_sz+g_sz+b_sz;
 140   if(rgb_sz<=0) rgb_sz=24;
 141
 142 #ifdef TEXTUREFORMAT_ALWAYS
 143   return TEXTUREFORMAT_ALWAYS;
 144 #else
 145   if(r_sz==3 && g_sz==3 && b_sz==2 && a_sz==0)
 146     return GL_R3_G3_B2;
 147   if(r_sz==4 && g_sz==4 && b_sz==4 && a_sz==0)
 148     return GL_RGB4;
 149   if(r_sz==5 && g_sz==5 && b_sz==5 && a_sz==0)
 150     return GL_RGB5;
 151   if(r_sz==8 && g_sz==8 && b_sz==8 && a_sz==0)
 152     return GL_RGB8;
 153   if(r_sz==10 && g_sz==10 && b_sz==10 && a_sz==0)
 154     return GL_RGB10;
 155   if(r_sz==2 && g_sz==2 && b_sz==2 && a_sz==2)
 156     return GL_RGBA2;
 157   if(r_sz==4 && g_sz==4 && b_sz==4 && a_sz==4)
 158     return GL_RGBA4;
 159   if(r_sz==5 && g_sz==5 && b_sz==5 && a_sz==1)
 160     return GL_RGB5_A1;
 161   if(r_sz==8 && g_sz==8 && b_sz==8 && a_sz==8)
 162     return GL_RGBA8;
 163   if(r_sz==10 && g_sz==10 && b_sz==10 && a_sz==2)
 164     return GL_RGB10_A2;
 165 #endif
 166   return GL_RGB;
 167 }
 168
 169 static int initTextures(void)
 170 {
 171   struct TexSquare *tsq=0;
 172   GLfloat texpercx, texpercy;
 173   int s;
 174   int x=0, y=0;
 175
 176   // textures smaller than 64x64 might not be supported
 177   s=64;
 178   while (s<image_width)
 179     s*=2;
 180   texture_width=s;
 181
 182   s=64;
 183   while (s<image_height)
 184     s*=2;
 185   texture_height=s;
 186
 187   if (!is_yuv)
 188     gl_internal_format = getInternalFormat();
 189
 190   /* Test the max texture size */
 191   do {
 192     GLint w;
 193     glTexImage2D (GL_PROXY_TEXTURE_2D, 0,
 194                   gl_internal_format,
 195                   texture_width, texture_height,
 196                   0, gl_bitmap_format, gl_bitmap_type, NULL);
 197
 198     glGetTexLevelParameteriv
 199       (GL_PROXY_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &w);
 200
 201     if (w >= texture_width)
 202       break;
 203
 204     mp_msg (MSGT_VO, MSGL_V, "[gl2] Needed texture [%dx%d] too big, trying ",
 205             texture_width, texture_height);
 206
 207     if (texture_width > texture_height)
 208       texture_width /= 2;
 209     else
 210       texture_height /= 2;
 211
 212     mp_msg (MSGT_VO, MSGL_V, "[%dx%d] !\n", texture_width, texture_height);
 213
 214     if(texture_width < 64 || texture_height < 64) {
 215       mp_msg (MSGT_VO, MSGL_FATAL, "[gl2] Give up .. usable texture size not avaiable, or texture config error !\n");
 216       return -1;
 217     }
 218   } while (texture_width > 1 && texture_height > 1);
 219 #ifdef TEXTURE_WIDTH
 220   texture_width = TEXTURE_WIDTH;
 221 #endif
 222 #ifdef TEXTURE_HEIGHT
 223   texture_height = TEXTURE_HEIGHT;
 224 #endif
 225
 226   texnumx = image_width / texture_width;
 227   if ((image_width % texture_width) > 0)
 228     texnumx++;
 229
 230   texnumy = image_height / texture_height;
 231   if ((image_height % texture_height) > 0)
 232     texnumy++;
 233
 234   mp_msg(MSGT_VO, MSGL_V, "[gl2] Creating %dx%d textures of size %dx%d ...\n",
 235          texnumx, texnumy, texture_width,texture_height);
 236
 237   /* Allocate the texture memory */
 238
 239   texpercx = (GLfloat) texture_width / (GLfloat) image_width;
 240   texpercy = (GLfloat) texture_height / (GLfloat) image_height;
 241
 242   if (texgrid)
 243     free(texgrid);
 244   texgrid = calloc (texnumx * texnumy, sizeof (struct TexSquare));
 245
 246   raw_line_len = image_width * image_bytes;
 247
 248   mp_msg (MSGT_VO, MSGL_DBG2, "[gl2] texture-usage %d*width=%d, %d*height=%d\n",
 249           (int) texnumx, (int) texture_width, (int) texnumy,
 250           (int) texture_height);
 251
 252   tsq = texgrid;
 253   for (y = 0; y < texnumy; y++) {
 254     for (x = 0; x < texnumx; x++) {
 255       tsq->fx = x * texpercx;
 256       tsq->fy = y * texpercy;
 257       tsq->fw = texpercx;
 258       tsq->fh = texpercy;
 259
 260       tsq->texobj=0;
 261       tsq->uvtexobjs[0] = tsq->uvtexobjs[1] = 0;
 262
 263       glGenTextures (1, &(tsq->texobj));
 264
 265       glBindTexture (GL_TEXTURE_2D, tsq->texobj);
 266       if (is_yuv) {
 267         glGenTextures(2, tsq->uvtexobjs);
 268         mpglActiveTexture(GL_TEXTURE1);
 269         glBindTexture (GL_TEXTURE_2D, tsq->uvtexobjs[0]);
 270         mpglActiveTexture(GL_TEXTURE2);
 271         glBindTexture (GL_TEXTURE_2D, tsq->uvtexobjs[1]);
 272         mpglActiveTexture(GL_TEXTURE0);
 273       }
 274
 275       glCreateClearTex(GL_TEXTURE_2D, gl_internal_format, gl_bitmap_format,  gl_bitmap_type, GL_LINEAR,
 276                        texture_width, texture_height, 0);
 277
 278       glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
 279       if (is_yuv) {
 280         int xs, ys;
 281         mp_get_chroma_shift(image_format, &xs, &ys);
 282         mpglActiveTexture(GL_TEXTURE1);
 283         glCreateClearTex(GL_TEXTURE_2D, gl_internal_format, gl_bitmap_format,  gl_bitmap_type, GL_LINEAR,
 284                          texture_width >> xs, texture_height >> ys, 128);
 285         mpglActiveTexture(GL_TEXTURE2);
 286         glCreateClearTex(GL_TEXTURE_2D, gl_internal_format, gl_bitmap_format,  gl_bitmap_type, GL_LINEAR,
 287                          texture_width >> xs, texture_height >> ys, 128);
 288         mpglActiveTexture(GL_TEXTURE0);
 289       }
 290
 291       tsq++;
 292     }  /* for all texnumx */
 293   }  /* for all texnumy */
 294
 295   return 0;
 296 }
 297
 298 static void resetTexturePointers(unsigned char *imageSource)
 299 {
 300   unsigned char *texdata_start, *line_start;
 301   struct TexSquare *tsq = texgrid;
 302   int x=0, y=0;
 303
 304   line_start = (unsigned char *) imageSource;
 305
 306   for (y = 0; y < texnumy; y++) {
 307     texdata_start = line_start;
 308     for (x = 0; x < texnumx; x++) {
 309       tsq->texture = texdata_start;
 310       texdata_start += texture_width * image_bytes;
 311       tsq++;
 312     }  /* for all texnumx */
 313     line_start += texture_height * raw_line_len;
 314   }  /* for all texnumy */
 315 }
 316
 317 static void gl_set_bilinear (int val)
 318 {
 319   int x, y;
 320
 321   if(val>=0)
 322     gl_bilinear = val;
 323   else
 324     gl_bilinear++;
 325
 326   gl_bilinear=gl_bilinear%2;
 327   /* no mipmap yet .. */
 328
 329   for (y = 0; y < texnumy; y++) {
 330     for (x = 0; x < texnumx; x++) {
 331       glBindTexture (GL_TEXTURE_2D, texgrid[y * texnumx + x].texobj);
 332
 333       switch (gl_bilinear) {
 334         case 0:
 335           glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
 336           glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
 337           mp_msg(MSGT_VO, MSGL_INFO, "[gl2] bilinear off\n");
 338           break;
 339         case 1:
 340           glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 341           glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 342           mp_msg(MSGT_VO, MSGL_INFO, "[gl2] bilinear linear\n");
 343           break;
 344         case 2:
 345           glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
 346           glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_NEAREST);
 347           mp_msg(MSGT_VO, MSGL_INFO, "[gl2] bilinear mipmap nearest\n");
 348           break;
 349         case 3:
 350           glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
 351           glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_LINEAR);
 352           mp_msg(MSGT_VO, MSGL_INFO, "[gl2] bilinear mipmap linear\n");
 353           break;
 354       }
 355     }
 356   }
 357 }
 358
 359 static void gl_set_antialias (int val)
 360 {
 361   gl_antialias=val;
 362
 363   if (gl_antialias) {
 364     glShadeModel (GL_SMOOTH);
 365     glEnable (GL_POLYGON_SMOOTH);
 366     glEnable (GL_LINE_SMOOTH);
 367     glEnable (GL_POINT_SMOOTH);
 368     mp_msg(MSGT_VO, MSGL_INFO, "[gl2] antialiasing on\n");
 369   } else {
 370     glShadeModel (GL_FLAT);
 371     glDisable (GL_POLYGON_SMOOTH);
 372     glDisable (GL_LINE_SMOOTH);
 373     glDisable (GL_POINT_SMOOTH);
 374     mp_msg(MSGT_VO, MSGL_INFO, "[gl2] antialiasing off\n");
 375   }
 376 }
 377
 378
 379 static void drawTextureDisplay (void)
 380 {
 381   struct TexSquare *square = texgrid;
 382   int x, y;
 383
 384   glColor3f(1.0,1.0,1.0);
 385
 386   if (is_yuv)
 387     glEnableYUVConversion(GL_TEXTURE_2D, use_yuv);
 388   for (y = 0; y < texnumy; y++) {
 389     int thish = texture_height;
 390     if (y == texnumy - 1 && image_height % texture_height)
 391       thish = image_height % texture_height;
 392     for (x = 0; x < texnumx; x++) {
 393       int thisw = texture_width;
 394       if (x == texnumx - 1 && image_width % texture_width)
 395         thisw = image_width % texture_width;
 396       glBindTexture (GL_TEXTURE_2D, square->texobj);
 397       if (is_yuv) {
 398         mpglActiveTexture(GL_TEXTURE1);
 399         glBindTexture (GL_TEXTURE_2D, square->uvtexobjs[0]);
 400         mpglActiveTexture(GL_TEXTURE2);
 401         glBindTexture (GL_TEXTURE_2D, square->uvtexobjs[1]);
 402         mpglActiveTexture(GL_TEXTURE0);
 403       }
 404
 405       if (texdirty) {
 406         glUploadTex(GL_TEXTURE_2D, gl_bitmap_format,  gl_bitmap_type,
 407                     square->texture, image_width * image_bytes,
 408                     0, 0, thisw, thish, 0);
 409       }
 410
 411       glDrawTex(square->fx, square->fy, square->fw, square->fh,
 412                 0, 0, texture_width, texture_height,
 413                 texture_width, texture_height,
 414                 0, is_yuv, 0);
 415       square++;
 416     } /* for all texnumx */
 417   } /* for all texnumy */
 418   if (is_yuv)
 419     glDisableYUVConversion(GL_TEXTURE_2D, use_yuv);
 420   texdirty = 0;
 421 }
 422
 423
 424 static void resize(int x,int y){
 425   mp_msg(MSGT_VO,MSGL_V,"[gl2] Resize: %dx%d\n",x,y);
 426   if(aspect_scaling()) {
 427     glClear(GL_COLOR_BUFFER_BIT);
 428     aspect(&x, &y, A_WINZOOM);
 429     panscan_calc_windowed();
 430     x += vo_panscan_x;
 431     y += vo_panscan_y;
 432     glViewport( (vo_dwidth-x)/2, (vo_dheight-y)/2, x, y);
 433   } else {
 434     //aspect(x, y, A_NOZOOM);
 435     if (WinID >= 0) {
 436       int top = 0, left = 0, w = x, h = y;
 437       geometry(&top, &left, &w, &h, vo_screenwidth, vo_screenheight);
 438       glViewport(top, left, w, h);
 439     } else
 440       glViewport( 0, 0, x, y );
 441   }
 442
 443   glMatrixMode(GL_PROJECTION);
 444   glLoadIdentity();
 445   glOrtho (0, 1, 1, 0, -1.0, 1.0);
 446
 447   glMatrixMode(GL_MODELVIEW);
 448   glLoadIdentity();
 449 }
 450
 451 static void draw_alpha_32(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
 452    vo_draw_alpha_rgb32(w,h,src,srca,stride,ImageData+4*(y0*image_width+x0),4*image_width);
 453 }
 454
 455 static void draw_alpha_24(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
 456    vo_draw_alpha_rgb24(w,h,src,srca,stride,ImageData+3*(y0*image_width+x0),3*image_width);
 457 }
 458
 459 static void draw_alpha_16(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
 460    vo_draw_alpha_rgb16(w,h,src,srca,stride,ImageData+2*(y0*image_width+x0),2*image_width);
 461 }
 462
 463 static void draw_alpha_15(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
 464    vo_draw_alpha_rgb15(w,h,src,srca,stride,ImageData+2*(y0*image_width+x0),2*image_width);
 465 }
 466
 467 static void draw_alpha_null(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
 468 }
 469
 470 #ifdef CONFIG_GL_WIN32
 471
 472 static int config_w32(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t flags, char *title, uint32_t format) {
 473   if (!vo_w32_config(d_width, d_height, flags))
 474     return -1;
 475
 476   return 0;
 477 }
 478
 479 #endif
 480
 481 #ifdef CONFIG_GL_X11
 482 static int choose_glx_visual(Display *dpy, int scr, XVisualInfo *res_vi)
 483 {
 484   XVisualInfo template, *vi_list;
 485   int vi_num, i, best_i, best_weight;
 486
 487   template.screen = scr;
 488   vi_list = XGetVisualInfo(dpy, VisualScreenMask, &template, &vi_num);
 489   if (!vi_list) return -1;
 490   best_weight = 1000000; best_i=0;
 491   for (i = 0; i < vi_num; i++) {
 492     int val, res, w = 0;
 493     /* of course, the visual must support OpenGL rendering... */
 494     res = glXGetConfig(dpy, vi_list + i, GLX_USE_GL, &val);
 495     if (res || val == False) continue;
 496     /* also it must be doublebuffered ... */
 497     res = glXGetConfig(dpy, vi_list + i, GLX_DOUBLEBUFFER, &val);
 498     if (res || val == False) continue;
 499     /* furthermore it must be RGBA (not color indexed) ... */
 500     res = glXGetConfig(dpy, vi_list + i, GLX_RGBA, &val);
 501     if (res || val == False) continue;
 502     /* prefer less depth buffer size, */
 503     res = glXGetConfig(dpy, vi_list + i, GLX_DEPTH_SIZE, &val);
 504     if (res) continue;
 505     w += val*2;
 506     /* stencil buffer size */
 507     res = glXGetConfig(dpy, vi_list + i, GLX_STENCIL_SIZE, &val);
 508     if (res) continue;
 509     w += val*2;
 510     /* and colorbuffer alpha size */
 511     res = glXGetConfig(dpy, vi_list + i, GLX_ALPHA_SIZE, &val);
 512     if (res) continue;
 513     w += val;
 514     /* and finally, prefer DirectColor-ed visuals to allow color corrections */
 515     if (vi_list[i].class != DirectColor) w += 100;
 516
 517     // avoid bad-looking visual with less that 8bit per color
 518     res = glXGetConfig(dpy, vi_list + i, GLX_RED_SIZE, &val);
 519     if (res) continue;
 520     if (val < 8) w += 50;
 521     res = glXGetConfig(dpy, vi_list + i, GLX_GREEN_SIZE, &val);
 522     if (res) continue;
 523     if (val < 8) w += 70;
 524     res = glXGetConfig(dpy, vi_list + i, GLX_BLUE_SIZE, &val);
 525     if (res) continue;
 526     if (val < 8) w += 50;
 527
 528     if (w < best_weight) {
 529       best_weight = w;
 530       best_i = i;
 531     }
 532   }
 533   if (best_weight < 1000000) *res_vi = vi_list[best_i];
 534   XFree(vi_list);
 535   return (best_weight < 1000000) ? 0 : -1;
 536 }
 537
 538 static int config_glx(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t flags, char *title, uint32_t format) {
 539   XVisualInfo *vinfo, vinfo_buf;
 540     vinfo = choose_glx_visual(mDisplay,mScreen,&vinfo_buf) < 0 ? NULL : &vinfo_buf;
 541     if (vinfo == NULL) {
 542       mp_msg(MSGT_VO, MSGL_FATAL, "[gl2] no GLX support present\n");
 543       return -1;
 544     }
 545
 546   vo_x11_create_vo_window(vinfo, vo_dx, vo_dy, d_width, d_height,
 547           flags, vo_x11_create_colormap(vinfo), "gl2", title);
 548
 549   return 0;
 550 }
 551 #endif
 552
 553 #ifdef CONFIG_GUI
 554 static int config_glx_gui(uint32_t d_width, uint32_t d_height) {
 555   guiGetEvent( guiSetShVideo,0 ); // the GUI will set up / resize the window
 556   return 0;
 557 }
 558 #endif
 559
 560 static int initGl(uint32_t d_width, uint32_t d_height)
 561 {
 562   fragprog = lookupTex = 0;
 563   if (initTextures() < 0)
 564     return -1;
 565
 566   glDisable(GL_BLEND);
 567   glDisable(GL_DEPTH_TEST);
 568   glDepthMask(GL_FALSE);
 569   glDisable(GL_CULL_FACE);
 570   glEnable (GL_TEXTURE_2D);
 571   if (is_yuv) {
 572     int xs, ys;
 573     gl_conversion_params_t params = {GL_TEXTURE_2D, use_yuv,
 574           {-1, -1, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 1.0},
 575           texture_width, texture_height, 0, 0, 0};
 576     switch (use_yuv) {
 577       case YUV_CONVERSION_FRAGMENT_LOOKUP:
 578         glGenTextures(1, &lookupTex);
 579         mpglActiveTexture(GL_TEXTURE3);
 580         glBindTexture(GL_TEXTURE_2D, lookupTex);
 581         mpglActiveTexture(GL_TEXTURE0);
 582         glBindTexture(GL_TEXTURE_2D, 0);
 583       case YUV_CONVERSION_FRAGMENT_POW:
 584       case YUV_CONVERSION_FRAGMENT:
 585         if (!mpglGenPrograms || !mpglBindProgram) {
 586           mp_msg(MSGT_VO, MSGL_ERR, "[gl] fragment program functions missing!\n");
 587           break;
 588         }
 589         mpglGenPrograms(1, &fragprog);
 590         mpglBindProgram(GL_FRAGMENT_PROGRAM, fragprog);
 591         break;
 592     }
 593     mp_get_chroma_shift(image_format, &xs, &ys);
 594     params.chrom_texw = params.texw >> xs;
 595     params.chrom_texh = params.texh >> ys;
 596     glSetupYUVConversion(&params);
 597   }
 598
 599   gl_set_antialias(0);
 600   gl_set_bilinear(1);
 601
 602   mp_msg(MSGT_VO, MSGL_V, "[gl2] Using image_bpp=%d, image_bytes=%d, \n\tgl_bitmap_format=%s, gl_bitmap_type=%s, \n\trgb_size=%d (%d,%d,%d), a_sz=%d, \n\tgl_internal_format=%s\n",
 603         image_bpp, image_bytes,
 604         glValName(gl_bitmap_format), glValName(gl_bitmap_type),
 605         rgb_sz, r_sz, g_sz, b_sz, a_sz, glValName(gl_internal_format));
 606
 607   resize(d_width, d_height);
 608
 609   glClearColor( 0.0f,0.0f,0.0f,0.0f );
 610   glClear( GL_COLOR_BUFFER_BIT );
 611
 612   drawTextureDisplay ();
 613
 614   return 0;
 615 }
 616
 617 /* connect to server, create and map window,
 618  * allocate colors and (shared) memory
 619  */
 620 static int
 621 config(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t flags, char *title, uint32_t format)
 622 {
 623   int xs, ys;
 624   const unsigned char * glVersion;
 625
 626   image_height = height;
 627   image_width = width;
 628   image_format = format;
 629   is_yuv = mp_get_chroma_shift(image_format, &xs, &ys) > 0;
 630   is_yuv |= (xs << 8) | (ys << 16);
 631
 632   int_pause = 0;
 633
 634 #ifdef CONFIG_GUI
 635   if (use_gui) {
 636     if (config_glx_gui(d_width, d_height) == -1)
 637       return -1;
 638   }
 639 #ifndef CONFIG_GL_WIN32
 640   else
 641 #endif
 642 #endif
 643 #ifdef CONFIG_GL_WIN32
 644   if (config_w32(width, height, d_width, d_height, flags, title, format) == -1)
 645 #endif
 646 #ifdef CONFIG_GL_X11
 647   if (config_glx(width, height, d_width, d_height, flags, title, format) == -1)
 648 #endif
 649     return -1;
 650
 651   if (glctx.setGlWindow(&glctx) == SET_WINDOW_FAILED)
 652     return -1;
 653
 654   glVersion = glGetString(GL_VERSION);
 655
 656   mp_msg(MSGT_VO, MSGL_V, "[gl2] OpenGL Driver Information:\n");
 657   mp_msg(MSGT_VO, MSGL_V, "\tvendor: %s,\n\trenderer %s,\n\tversion %s\n",
 658          glGetString(GL_VENDOR), glGetString(GL_RENDERER), glVersion);
 659
 660   if(glVersion[0]>'1' || (glVersion[0]=='1' && glVersion[2]>='2') )
 661     isGL12 = GL_TRUE;
 662   else
 663     isGL12 = GL_FALSE;
 664
 665   if(isGL12) {
 666     mp_msg(MSGT_VO, MSGL_INFO, "[gl2] You have OpenGL >= 1.2 capable drivers, GOOD (16bpp and BGR is ok!)\n");
 667   } else {
 668     mp_msg(MSGT_VO, MSGL_INFO, "[gl2] You have OpenGL < 1.2 drivers, BAD (16bpp and BGR may be damaged!)\n");
 669   }
 670
 671   glFindFormat(format, &image_bpp, &gl_internal_format, &gl_bitmap_format, &gl_bitmap_type);
 672
 673   image_bytes=(image_bpp+7)/8;
 674
 675   draw_alpha_fnc=draw_alpha_null;
 676
 677   switch(image_bpp) {
 678     case 15:
 679       draw_alpha_fnc=draw_alpha_15; break;
 680     case 16:
 681       draw_alpha_fnc=draw_alpha_16; break;
 682     case 24:
 683       draw_alpha_fnc=draw_alpha_24; break;
 684     case 32:
 685       draw_alpha_fnc=draw_alpha_32; break;
 686   }
 687
 688   if (initGl(vo_dwidth, vo_dheight) == -1)
 689     return -1;
 690
 691   return 0;
 692 }
 693
 694 #ifdef CONFIG_GL_X11
 695 static int gl_handlekey(int key)
 696 {
 697   if(key=='a'||key=='A') {
 698     gl_set_antialias(!gl_antialias);
 699     return 0;
 700   } else if(key=='b'||key=='B') {
 701     gl_set_bilinear(-1);
 702     return 0;
 703   }
 704   return 1;
 705 }
 706 #endif
 707
 708 static void check_events(void)
 709 {
 710   int e;
 711 #ifdef CONFIG_GL_X11
 712   XEvent         Event;
 713   char           buf[100];
 714   KeySym         keySym;
 715   int            key;
 716   static XComposeStatus stat;
 717
 718   while ( XPending( mDisplay ) ) {
 719     XNextEvent( mDisplay,&Event );
 720     if( Event.type == KeyPress ) {
 721       XLookupString( &Event.xkey,buf,sizeof(buf),&keySym,&stat );
 722       key = (keySym&0xff00) != 0 ? (keySym&0x00ff) + 256 : keySym;
 723       if(gl_handlekey(key))
 724         XPutBackEvent(mDisplay, &Event);
 725       break;
 726     } else {
 727       XPutBackEvent(mDisplay, &Event);
 728       break;
 729     }
 730   }
 731 #endif
 732   e=glctx.check_events();
 733   if(e&VO_EVENT_RESIZE) resize(vo_dwidth, vo_dheight);
 734   if(e&VO_EVENT_EXPOSE && int_pause) flip_page();
 735 }
 736
 737 static void draw_osd(void)
 738 {
 739   if (ImageData)
 740     vo_draw_text(image_width,image_height,draw_alpha_fnc);
 741 }
 742
 743 static void
 744 flip_page(void)
 745 {
 746   drawTextureDisplay();
 747
 748 //  glFlush();
 749   if (use_glFinish)
 750   glFinish();
 751   glctx.swapGlBuffers(&glctx);
 752
 753   if (aspect_scaling()) // Avoid flickering borders in fullscreen mode
 754     glClear (GL_COLOR_BUFFER_BIT);
 755 }
 756
 757 static int draw_slice(uint8_t *src[], int stride[], int w,int h,int x,int y)
 758 {
 759   uint8_t *yptr = src[0], *uptr = src[1], *vptr = src[2];
 760   int ystride = stride[0], ustride = stride[1], vstride = stride[2];
 761   int rem_h = h;
 762   struct TexSquare *texline = &texgrid[y / texture_height * texnumx];
 763   int subtex_y = y % texture_width;
 764   int xs, ys;
 765   mp_get_chroma_shift(image_format, &xs, &ys);
 766   while (rem_h > 0) {
 767     int rem_w = w;
 768     struct TexSquare *tsq = &texline[x / texture_width];
 769     int subtex_x = x % texture_height;
 770     int subtex_h = rem_h;
 771     if (subtex_y + subtex_h > texture_height)
 772       subtex_h = texture_height - subtex_y;
 773     while (rem_w > 0) {
 774       int subtex_w = rem_w;
 775       if (subtex_x + subtex_w > texture_width)
 776         subtex_w = texture_width - subtex_x;
 777       mpglActiveTexture(GL_TEXTURE0);
 778       glBindTexture(GL_TEXTURE_2D, tsq->texobj);
 779       glUploadTex(GL_TEXTURE_2D, gl_bitmap_format,  gl_bitmap_type,
 780                   yptr, ystride, subtex_x, subtex_y,
 781                   subtex_w, subtex_h, 0);
 782       mpglActiveTexture(GL_TEXTURE1);
 783       glBindTexture(GL_TEXTURE_2D, tsq->uvtexobjs[0]);
 784       glUploadTex(GL_TEXTURE_2D, gl_bitmap_format,  gl_bitmap_type,
 785                   uptr, ustride, subtex_x >> xs, subtex_y >> ys,
 786                   subtex_w >> xs, subtex_h >> ys, 0);
 787       mpglActiveTexture(GL_TEXTURE2);
 788       glBindTexture(GL_TEXTURE_2D, tsq->uvtexobjs[1]);
 789       glUploadTex(GL_TEXTURE_2D, gl_bitmap_format,  gl_bitmap_type,
 790                   vptr, vstride, subtex_x >> xs, subtex_y >> ys,
 791                   subtex_w >> xs, subtex_h >> ys, 0);
 792       subtex_x = 0;
 793       yptr += subtex_w;
 794       uptr += subtex_w >> xs;
 795       vptr += subtex_w >> xs;
 796       tsq++;
 797       rem_w -= subtex_w;
 798     }
 799     subtex_y = 0;
 800     yptr += subtex_h * ystride - w;
 801     uptr += (subtex_h >> ys) * ustride - (w >> xs);
 802     vptr += (subtex_h >> ys) * vstride - (w >> xs);
 803     texline += texnumx;
 804     rem_h -= subtex_h;
 805   }
 806   mpglActiveTexture(GL_TEXTURE0);
 807     return 0;
 808 }
 809
 810 static int
 811 draw_frame(uint8_t *src[])
 812 {
 813   if (is_yuv) {
 814     mp_msg(MSGT_VO, MSGL_ERR, "[gl2] error: draw_frame called for YV12!\n");
 815     return 0;
 816   }
 817   ImageData=(unsigned char *)src[0];
 818   resetTexturePointers(ImageData);
 819   texdirty = 1;
 820   return 0;
 821 }
 822
 823 static int
 824 query_format(uint32_t format)
 825 {
 826   if (use_yuv && mp_get_chroma_shift(format, NULL, NULL) &&
 827       (IMGFMT_IS_YUVP16_NE(format) || !IMGFMT_IS_YUVP16(format)))
 828     return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_OSD |
 829            VFCAP_HWSCALE_UP | VFCAP_HWSCALE_DOWN | VFCAP_ACCEPT_STRIDE;
 830   switch(format) {
 831 #ifdef __APPLE__
 832     case IMGFMT_RGB32:
 833 #else
 834     case IMGFMT_RGB24:
 835     case IMGFMT_BGR24:
 836 //    case IMGFMT_RGB32:
 837 //    case IMGFMT_BGR32:
 838 #endif
 839         return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_OSD;
 840   }
 841   return 0;
 842 }
 843
 844
 845 static void
 846 uninit(void)
 847 {
 848   if ( !vo_config_count ) return;
 849   if (texgrid) {
 850     free(texgrid);
 851     texgrid = NULL;
 852   }
 853   uninit_mpglcontext(&glctx);
 854 }
 855
 856 static const opt_t subopts[] = {
 857   {"yuv",          OPT_ARG_INT,  &use_yuv,      int_non_neg},
 858   {"glfinish",     OPT_ARG_BOOL, &use_glFinish, NULL},
 859   {NULL}
 860 };
 861
 862 static int preinit(const char *arg)
 863 {
 864   enum MPGLType gltype = GLTYPE_X11;
 865   // set defaults
 866 #ifdef CONFIG_GL_WIN32
 867   gltype = GLTYPE_W32;
 868 #endif
 869   use_yuv = -1;
 870   use_glFinish = 1;
 871   if (subopt_parse(arg, subopts) != 0) {
 872     mp_msg(MSGT_VO, MSGL_FATAL,
 873             "\n-vo gl2 command line help:\n"
 874             "Example: mplayer -vo gl2:noglfinish\n"
 875             "\nOptions:\n"
 876             "  noglfinish\n"
 877             "    Do not call glFinish() before swapping buffers\n"
 878             "  yuv=<n>\n"
 879             "    0: use software YUV to RGB conversion.\n"
 880             "    1: use register combiners (nVidia only, for older cards).\n"
 881             "    2: use fragment program.\n"
 882             "    3: use fragment program with gamma correction.\n"
 883             "    4: use fragment program with gamma correction via lookup.\n"
 884             "    5: use ATI-specific method (for older cards).\n"
 885             "\n" );
 886     return -1;
 887   }
 888     if(!init_mpglcontext(&glctx, gltype)) goto err_out;
 889     if (use_yuv == -1) {
 890 #ifdef CONFIG_GL_WIN32
 891       if (config_w32(320, 200, 320, 200, VOFLAG_HIDDEN, "", 0) == -1)
 892 #endif
 893 #ifdef CONFIG_GL_X11
 894       if (config_glx(320, 200, 320, 200, VOFLAG_HIDDEN, "", 0) == -1)
 895 #endif
 896         goto err_out;
 897       if (glctx.setGlWindow(&glctx) == SET_WINDOW_FAILED)
 898         goto err_out;
 899       use_yuv = glAutodetectYUVConversion();
 900     }
 901     return 0;
 902
 903 err_out:
 904     uninit();
 905     return -1;
 906 }
 907
 908 static int control(uint32_t request, void *data, ...)
 909 {
 910   switch (request) {
 911     case VOCTRL_PAUSE:
 912     case VOCTRL_RESUME:
 913       int_pause = (request == VOCTRL_PAUSE);
 914       return VO_TRUE;
 915     case VOCTRL_QUERY_FORMAT:
 916       return query_format(*((uint32_t*)data));
 917     case VOCTRL_GUISUPPORT:
 918       return VO_TRUE;
 919     case VOCTRL_ONTOP:
 920       glctx.ontop();
 921       return VO_TRUE;
 922     case VOCTRL_FULLSCREEN:
 923       glctx.fullscreen();
 924       if (glctx.setGlWindow(&glctx) == SET_WINDOW_REINIT)
 925         initGl(vo_dwidth, vo_dheight);
 926       resize(vo_dwidth, vo_dheight);
 927       return VO_TRUE;
 928     case VOCTRL_BORDER:
 929       glctx.border();
 930       return VO_TRUE;
 931     case VOCTRL_GET_PANSCAN:
 932       return VO_TRUE;
 933     case VOCTRL_SET_PANSCAN:
 934       resize(vo_dwidth, vo_dheight);
 935       return VO_TRUE;
 936 #ifdef CONFIG_GL_X11
 937     case VOCTRL_SET_EQUALIZER:
 938     {
 939       va_list ap;
 940       int value;
 941
 942       va_start(ap, data);
 943       value = va_arg(ap, int);
 944       va_end(ap);
 945       return vo_x11_set_equalizer(data, value);
 946     }
 947     case VOCTRL_GET_EQUALIZER:
 948     {
 949       va_list ap;
 950       int *value;
 951
 952       va_start(ap, data);
 953       value = va_arg(ap, int *);
 954       va_end(ap);
 955       return vo_x11_get_equalizer(data, value);
 956     }
 957 #endif
 958     case VOCTRL_UPDATE_SCREENINFO:
 959       glctx.update_xinerama_info();
 960       return VO_TRUE;
 961   }
 962   return VO_NOTIMPL;
 963 }