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Diffstat (limited to 'externals/gridflow/format/opengl.c')
| -rw-r--r-- | externals/gridflow/format/opengl.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/externals/gridflow/format/opengl.c b/externals/gridflow/format/opengl.c deleted file mode 100644 index 39979f68..00000000 --- a/externals/gridflow/format/opengl.c +++ /dev/null @@ -1,181 +0,0 @@ -/* - $Id: opengl.c,v 1.1 2006-03-15 04:54:54 matju Exp $ - - GridFlow - Copyright (c) 2001,2002,2003,2004,2005 by Mathieu Bouchard - - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License - as published by the Free Software Foundation; either version 2 - of the License, or (at your option) any later version. - - See file ../COPYING for further informations on licensing terms. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -*/ - -#include "../base/grid.h.fcs" -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <errno.h> -#include <sys/time.h> -#include <signal.h> -#ifdef MACOSX -#include <OpenGL/gl.h> -#include <OpenGL/glu.h> -#else -#include <GL/gl.h> -#include <GL/glu.h> -#include <GL/glut.h> -#endif -#include <setjmp.h> - -static bool in_use = false; - -\class FormatOpenGL < Format -struct FormatOpenGL : Format { - int window; - GLuint gltex; - P<BitPacking> bit_packing; - P<Dim> dim; - Pt<uint8> buf; - \decl void call (); - \decl void initialize (Symbol mode); - \decl void close (); - \decl void resize_window (int sx, int sy); - \grin 0 -}; - -static jmp_buf hack; -static void my_idle () { longjmp(hack,1); } - -\def void call () { - int32 sy = dim->get(0); - int32 sx = dim->get(1); - glEnable(GL_TEXTURE_2D); - if (!gltex) { - } - glTexSubImage2D(GL_TEXTURE_2D,0,0,0,sx,sy,GL_RGBA,GL_UNSIGNED_BYTE,buf); - glBindTexture(GL_TEXTURE_2D, gltex); - glBegin(GL_QUADS); - glColor3f(1.f,1.f,1.f); - glTexCoord2f(0.f,0.f); glVertex2f(0.f,0.f); - glTexCoord2f(1.f,0.f); glVertex2f( sx,0.f); - glTexCoord2f(1.f,1.f); glVertex2f( sx, sy); - glTexCoord2f(0.f,1.f); glVertex2f(0.f, sy); - glEnd(); - - //Here comes some (un)fair amount of arm-twisting - //This is for processing queued events and then "returning". - glutIdleFunc(my_idle); - if(!setjmp(hack)) glutMainLoop(); - //done - - IEVAL(rself,"@clock.delay 100"); -} - -\def void resize_window (int sx, int sy) {L - dim = new Dim(sy,sx,3); - char foo[666]; - sprintf(foo,"GridFlow/GL (%d,%d,3)",sy,sx); - if ((unsigned)window==0xDeadBeef) { - glutInitWindowSize(sx,sy); - window = glutCreateWindow(foo); - } else { - glutReshapeWindow(sx,sy); - } - if (buf) delete buf.p; - buf = ARRAY_NEW(uint8,sy*sx*4); - glViewport(0,0,sx,sy); - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - glOrtho(0,sx,sy,0,-99999,99999); - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - - if (gltex) glDeleteTextures(1, (GLuint*)&gltex); - glGenTextures(1, (GLuint*)&gltex); - glBindTexture(GL_TEXTURE_2D,gltex); - glPixelStorei(GL_UNPACK_ALIGNMENT,1); - glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_CLAMP); - glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_CLAMP); - glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR); - glTexEnvf(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,GL_MODULATE); - glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA,sx,sy,0,GL_RGBA,GL_UNSIGNED_BYTE,NULL); - -} - -GRID_INLET(FormatOpenGL,0) { - if (in->dim->n != 3) - RAISE("expecting 3 dimensions: rows,columns,channels"); - if (in->dim->get(2) != 3) - RAISE("expecting 3 channels: red,green,blue (got %d)",in->dim->get(2)); - int sxc = in->dim->prod(1); - int sx = in->dim->get(1), osx = dim->get(1); - int sy = in->dim->get(0), osy = dim->get(0); - in->set_factor(sxc); - if (sx!=osx || sy!=osy) resize_window(0,0,sx,sy); -} GRID_FLOW { - int sxc = in->dim->prod(1); - int sx = in->dim->get(1); - int bypl = 4*sx; - int y = in->dex / sxc; - assert((in->dex % sxc) == 0); - assert((n % sxc) == 0); - for (; n>0; y++, data+=sxc, n-=sxc) bit_packing->pack(sx, data, buf+y*bypl); - } GRID_FINISH { -} GRID_END - -\def void close () { - IEVAL(rself,"@clock.unset"); - if (gltex) glDeleteTextures(1, (GLuint*)&gltex); - if (buf) delete buf.p; - in_use=false; - if ((unsigned)window!=0xDeadBeef) { - glutDestroyWindow(window); - window=0xDeadBeef; - } -} - -\def void initialize (Symbol mode) { - rb_call_super(argc,argv); - if (in_use) RAISE("only one #io:opengl object at a time; sorry"); - in_use=true; - if (mode!=SYM(out)) RAISE("write-only, sorry"); - gltex = 0; - glEnable(GL_TEXTURE_2D); - glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST); - glClearColor(0.0f, 0.0f, 0.0f, 1.0f); - glClear(GL_COLOR_BUFFER_BIT); - glDisable(GL_ALPHA_TEST); - glDisable(GL_CULL_FACE); - glDisable(GL_DITHER); - glDisable(GL_DEPTH_TEST); - glDisable(GL_LIGHTING); - window = 0xDeadBeef; - int dummy = 0; - glutInit(&dummy,0); - glutInitDisplayMode(GLUT_RGBA); - resize_window(0,0,320,240); - uint32 mask[3] = {0xff000000,0x00ff0000,0x0000ff00}; - bit_packing = new BitPacking(4,4,3,mask); - IEVAL(rself,"@clock = Clock.new self; @clock.delay 0"); - gfpost("@clock = Clock.new self"); -} - -\classinfo { - IEVAL(rself,"install '#io:opengl',1,1;@comment='Silicon Graphics OpenGL'"); -} -\end class FormatOpenGL -void startup_opengl () { - \startall -}
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