diff options
Diffstat (limited to 'progs/directfb/df_reflect.c')
| -rw-r--r-- | progs/directfb/df_reflect.c | 489 |
1 files changed, 0 insertions, 489 deletions
diff --git a/progs/directfb/df_reflect.c b/progs/directfb/df_reflect.c deleted file mode 100644 index a0e789c3871..00000000000 --- a/progs/directfb/df_reflect.c +++ /dev/null @@ -1,489 +0,0 @@ -/* - (c) Copyright 2001 convergence integrated media GmbH. - All rights reserved. - - Written by Denis Oliver Kropp <[email protected]> and - Andreas Hundt <[email protected]>. - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the - Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. -*/ - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <math.h> - -#include <directfb.h> -#include <directfbgl.h> - -#include <GL/glu.h> - -#include "util/showbuffer.c" -#include "util/readtex.c" - - -/* the super interface */ -IDirectFB *dfb; - -/* the primary surface (surface of primary layer) */ -IDirectFBSurface *primary; - -/* the GL context */ -IDirectFBGL *primary_gl; - -/* our font */ -IDirectFBFont *font; - -/* event buffer */ -IDirectFBEventBuffer *events; - -/* macro for a safe call to DirectFB functions */ -#define DFBCHECK(x...) \ - { \ - err = x; \ - if (err != DFB_OK) { \ - fprintf( stderr, "%s <%d>:\n\t", __FILE__, __LINE__ ); \ - DirectFBErrorFatal( #x, err ); \ - } \ - } - -static int screen_width, screen_height; - -static unsigned long T0 = 0; -static GLint Frames = 0; -static GLfloat fps = 0; - -static inline unsigned long get_millis() -{ - struct timeval tv; - - gettimeofday (&tv, NULL); - return (tv.tv_sec * 1000 + tv.tv_usec / 1000); -} - -/*******************************/ - -#define DEG2RAD (3.14159/180.0) - -#define TABLE_TEXTURE "../images/tile.rgb" - -static GLint ImgWidth, ImgHeight; -static GLenum ImgFormat; -static GLubyte *Image = NULL; - -#define MAX_OBJECTS 2 -static GLint table_list; -static GLint objects_list[MAX_OBJECTS]; - -static GLfloat xrot, yrot; -static GLfloat spin; - -static GLint Width = 400, Height = 300; -static GLenum ShowBuffer = GL_NONE; - - -static void make_table( void ) -{ - static GLfloat table_mat[] = { 1.0, 1.0, 1.0, 0.6 }; - static GLfloat gray[] = { 0.4, 0.4, 0.4, 1.0 }; - - table_list = glGenLists(1); - glNewList( table_list, GL_COMPILE ); - - /* load table's texture */ - glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, table_mat ); -/* glMaterialfv( GL_FRONT, GL_EMISSION, gray );*/ - glMaterialfv( GL_FRONT, GL_DIFFUSE, table_mat ); - glMaterialfv( GL_FRONT, GL_AMBIENT, gray ); - - /* draw textured square for the table */ - glPushMatrix(); - glScalef( 4.0, 4.0, 4.0 ); - glBegin( GL_POLYGON ); - glNormal3f( 0.0, 1.0, 0.0 ); - glTexCoord2f( 0.0, 0.0 ); glVertex3f( -1.0, 0.0, 1.0 ); - glTexCoord2f( 1.0, 0.0 ); glVertex3f( 1.0, 0.0, 1.0 ); - glTexCoord2f( 1.0, 1.0 ); glVertex3f( 1.0, 0.0, -1.0 ); - glTexCoord2f( 0.0, 1.0 ); glVertex3f( -1.0, 0.0, -1.0 ); - glEnd(); - glPopMatrix(); - - glDisable( GL_TEXTURE_2D ); - - glEndList(); -} - - -static void make_objects( void ) -{ - GLUquadricObj *q; - - static GLfloat cyan[] = { 0.0, 1.0, 1.0, 1.0 }; - static GLfloat green[] = { 0.2, 1.0, 0.2, 1.0 }; - static GLfloat black[] = { 0.0, 0.0, 0.0, 0.0 }; - - q = gluNewQuadric(); - gluQuadricDrawStyle( q, GLU_FILL ); - gluQuadricNormals( q, GLU_SMOOTH ); - - objects_list[0] = glGenLists(1); - glNewList( objects_list[0], GL_COMPILE ); - glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, cyan ); - glMaterialfv( GL_FRONT, GL_EMISSION, black ); - gluCylinder( q, 0.5, 0.5, 1.0, 15, 1 ); - glEndList(); - - objects_list[1] = glGenLists(1); - glNewList( objects_list[1], GL_COMPILE ); - glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green ); - glMaterialfv( GL_FRONT, GL_EMISSION, black ); - gluCylinder( q, 1.5, 0.0, 2.5, 15, 1 ); - glEndList(); -} - - -static void init( void ) -{ - make_table(); - make_objects(); - - Image = LoadRGBImage( TABLE_TEXTURE, &ImgWidth, &ImgHeight, &ImgFormat ); - if (!Image) { - printf("Couldn't read %s\n", TABLE_TEXTURE); - exit(0); - } - - gluBuild2DMipmaps(GL_TEXTURE_2D, 3, ImgWidth, ImgHeight, - ImgFormat, GL_UNSIGNED_BYTE, Image); - - glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT ); - glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT ); - glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST ); - glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST ); - - xrot = 30.0; - yrot = 50.0; - spin = 0.0; - - glShadeModel( GL_FLAT ); - - glEnable( GL_LIGHT0 ); - glEnable( GL_LIGHTING ); - - glClearColor( 0.5, 0.5, 0.9, 0.0 ); - - glEnable( GL_NORMALIZE ); -} - - - -static void reshape(int w, int h) -{ - GLfloat yAspect = 2.5; - GLfloat xAspect = yAspect * (float) w / (float) h; - Width = w; - Height = h; - glViewport(0, 0, w, h); - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - glFrustum( -xAspect, xAspect, -yAspect, yAspect, 10.0, 30.0 ); - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); -} - - - -static void draw_objects( GLfloat eyex, GLfloat eyey, GLfloat eyez ) -{ - (void) eyex; - (void) eyey; - (void) eyez; -#ifndef USE_ZBUFFER - if (eyex<0.5) { -#endif - glPushMatrix(); - glTranslatef( 1.0, 1.5, 0.0 ); - glRotatef( spin, 1.0, 0.5, 0.0 ); - glRotatef( 0.5*spin, 0.0, 0.5, 1.0 ); - glCallList( objects_list[0] ); - glPopMatrix(); - - glPushMatrix(); - glTranslatef( -1.0, 0.85+3.0*fabs( cos(0.01*spin) ), 0.0 ); - glRotatef( 0.5*spin, 0.0, 0.5, 1.0 ); - glRotatef( spin, 1.0, 0.5, 0.0 ); - glScalef( 0.5, 0.5, 0.5 ); - glCallList( objects_list[1] ); - glPopMatrix(); -#ifndef USE_ZBUFFER - } - else { - glPushMatrix(); - glTranslatef( -1.0, 0.85+3.0*fabs( cos(0.01*spin) ), 0.0 ); - glRotatef( 0.5*spin, 0.0, 0.5, 1.0 ); - glRotatef( spin, 1.0, 0.5, 0.0 ); - glScalef( 0.5, 0.5, 0.5 ); - glCallList( objects_list[1] ); - glPopMatrix(); - - glPushMatrix(); - glTranslatef( 1.0, 1.5, 0.0 ); - glRotatef( spin, 1.0, 0.5, 0.0 ); - glRotatef( 0.5*spin, 0.0, 0.5, 1.0 ); - glCallList( objects_list[0] ); - glPopMatrix(); - } -#endif -} - - - -static void draw_table( void ) -{ - glCallList( table_list ); -} - - - -static void draw( void ) -{ - static GLfloat light_pos[] = { 0.0, 20.0, 0.0, 1.0 }; - GLfloat dist = 20.0; - GLfloat eyex, eyey, eyez; - - glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); - - - eyex = dist * cos(yrot*DEG2RAD) * cos(xrot*DEG2RAD); - eyez = dist * sin(yrot*DEG2RAD) * cos(xrot*DEG2RAD); - eyey = dist * sin(xrot*DEG2RAD); - - /* view from top */ - glPushMatrix(); - gluLookAt( eyex, eyey, eyez, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0 ); - - glLightfv( GL_LIGHT0, GL_POSITION, light_pos ); - - /* draw table into stencil planes */ - glDisable( GL_DEPTH_TEST ); - glEnable( GL_STENCIL_TEST ); - glStencilFunc( GL_ALWAYS, 1, 0xffffffff ); - glStencilOp( GL_REPLACE, GL_REPLACE, GL_REPLACE ); - glColorMask( GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE ); - draw_table(); - glColorMask( GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE ); - - glEnable( GL_DEPTH_TEST ); - - /* render view from below (reflected viewport) */ - /* only draw where stencil==1 */ - if (eyey>0.0) { - glPushMatrix(); - - glStencilFunc( GL_EQUAL, 1, 0xffffffff ); /* draw if ==1 */ - glStencilOp( GL_KEEP, GL_KEEP, GL_KEEP ); - glScalef( 1.0, -1.0, 1.0 ); - - /* Reposition light in reflected space. */ - glLightfv(GL_LIGHT0, GL_POSITION, light_pos); - - draw_objects(eyex, eyey, eyez); - glPopMatrix(); - - /* Restore light's original unreflected position. */ - glLightfv(GL_LIGHT0, GL_POSITION, light_pos); - } - - glDisable( GL_STENCIL_TEST ); - - glEnable( GL_BLEND ); - glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA ); - - glEnable( GL_TEXTURE_2D ); - draw_table(); - glDisable( GL_TEXTURE_2D ); - glDisable( GL_BLEND ); - - /* view from top */ - glPushMatrix(); - - draw_objects(eyex, eyey, eyez); - - glPopMatrix(); - - glPopMatrix(); - - if (ShowBuffer == GL_DEPTH) { - ShowDepthBuffer(Width, Height, 1.0, 0.0); - } - else if (ShowBuffer == GL_STENCIL) { - ShowStencilBuffer(Width, Height, 255.0, 0.0); - } - else if (ShowBuffer == GL_ALPHA) { - ShowAlphaBuffer(Width, Height); - } -} - -/*******************************/ - -int main( int argc, char *argv[] ) -{ - int quit = 0; - DFBResult err; - DFBSurfaceDescription dsc; - - DFBCHECK(DirectFBInit( &argc, &argv )); - - /* create the super interface */ - DFBCHECK(DirectFBCreate( &dfb )); - - /* create an event buffer for all devices with these caps */ - DFBCHECK(dfb->CreateInputEventBuffer( dfb, DICAPS_ALL, DFB_FALSE, &events )); - - /* set our cooperative level to DFSCL_FULLSCREEN - for exclusive access to the primary layer */ - dfb->SetCooperativeLevel( dfb, DFSCL_FULLSCREEN ); - - /* get the primary surface, i.e. the surface of the - primary layer we have exclusive access to */ - dsc.flags = DSDESC_CAPS; - dsc.caps = (DFBSurfaceCapabilities)(DSCAPS_PRIMARY | DSCAPS_DOUBLE); - - DFBCHECK(dfb->CreateSurface( dfb, &dsc, &primary )); - - /* get the size of the surface and fill it */ - DFBCHECK(primary->GetSize( primary, &screen_width, &screen_height )); - DFBCHECK(primary->FillRectangle( primary, 0, 0, - screen_width, screen_height )); - - /* create the default font and set it */ - DFBCHECK(dfb->CreateFont( dfb, NULL, NULL, &font )); - DFBCHECK(primary->SetFont( primary, font )); - - /* get the GL context */ - DFBCHECK(primary->GetGL( primary, &primary_gl )); - - DFBCHECK(primary_gl->Lock( primary_gl )); - - init(); - reshape(screen_width, screen_height); - - DFBCHECK(primary_gl->Unlock( primary_gl )); - - T0 = get_millis(); - - while (!quit) { - DFBInputEvent evt; - unsigned long t; - - DFBCHECK(primary_gl->Lock( primary_gl )); - - draw(); - - DFBCHECK(primary_gl->Unlock( primary_gl )); - - if (fps) { - char buf[64]; - - sprintf(buf, "%4.1f FPS\n", fps); - primary->SetColor( primary, 0xff, 0, 0, 0xff ); - primary->DrawString( primary, buf, -1, screen_width - 5, 5, DSTF_TOPRIGHT ); - } - - primary->Flip( primary, NULL, (DFBSurfaceFlipFlags)0 ); - Frames++; - - - t = get_millis(); - if (t - T0 >= 1000) { - GLfloat seconds = (t - T0) / 1000.0; - - fps = Frames / seconds; - - T0 = t; - Frames = 0; - } - - - while (events->GetEvent( events, DFB_EVENT(&evt) ) == DFB_OK) { - switch (evt.type) { - case DIET_KEYPRESS: - switch (DFB_LOWER_CASE(evt.key_symbol)) { - case DIKS_ESCAPE: - quit = 1; - break; - case DIKS_CURSOR_UP: - xrot += 3.0; - if ( xrot > 85 ) - xrot = 85; - break; - case DIKS_CURSOR_DOWN: - xrot -= 3.0; - if ( xrot < 5 ) - xrot = 5; - break; - case DIKS_CURSOR_LEFT: - yrot += 3.0; - break; - case DIKS_CURSOR_RIGHT: - yrot -= 3.0; - break; - case DIKS_SMALL_D: - ShowBuffer = GL_DEPTH; - break; - case DIKS_SMALL_S: - ShowBuffer = GL_STENCIL; - break; - case DIKS_SMALL_A: - ShowBuffer = GL_ALPHA; - break; - default: - ShowBuffer = GL_NONE; - } - break; - case DIET_AXISMOTION: - if (evt.flags & DIEF_AXISREL) { - switch (evt.axis) { - case DIAI_X: - yrot += evt.axisrel / 2.0; - break; - case DIAI_Y: - xrot += evt.axisrel / 2.0; - break; - default: - ; - } - } - break; - default: - ; - } - } - - spin += 2.0; - yrot += 3.0; - } - - /* release our interfaces to shutdown DirectFB */ - primary_gl->Release( primary_gl ); - primary->Release( primary ); - font->Release( font ); - events->Release( events ); - dfb->Release( dfb ); - - return 0; -} - |