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Diffstat (limited to 'progs/directfb/df_reflect.c')
-rw-r--r--progs/directfb/df_reflect.c489
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 <dok@convergence.de> and
- Andreas Hundt <andi@convergence.de>.
-
- 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;
-}
-
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