Drawing a background image

From: Stephane Jaeger (stephane.jaeger++at++imag.fr)
Date: 05/28/2001 09:49:09

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• Previous message: Ran Yakir: "FW: pfBillboard"

Sorry to bother you again,
I think I ve done everything as Ran said but my background still doesn t draw,
can anybody see what s wrong with it ?
I set the pfTexEnv to DECAL mode and I initialise the texture with a
pfLoadFile which was working fine for the billboard ( with WRAP and CLAMP ).
Thanks again for your help Ran,
Bye
Stephane

void MakeFirstPass (pfChannel *channel, void *)
{

  int mode[1];
  SoftShadow *softy = application->GetSoftShadow();

    // erase framebuffer and draw Earth-Sky model
    channel->clear();
    glGetIntegerv(GL_MATRIX_MODE,mode);

    glMatrixMode(GL_PROJECTION);
    glPushMatrix();
    gluOrtho2D(-1,1,-1,1);

    glMatrixMode(GL_MODELVIEW);
    glPushMatrix();
    glLoadIdentity();

    glDepthMask(GL_FALSE);
    pfEnable(PFEN_TEXTURE);
    softy->spotEnv->apply();
    softy->spotTex->apply();
    glBegin(GL_QUADS);
      glTexCoord2f(0.,1.);
      glVertex2f(-1.0,1.0);
      glTexCoord2f(0.,0.);
      glVertex2f(-1.0,-1.0);
      glTexCoord2f(1.,0.);
      glVertex2f(1.0,-1.0);
      glTexCoord2f(1.,1.);
      glVertex2f(1.0,1.0);
    glEnd();

    glPopMatrix();
    glMatrixMode(GL_PROJECTION);
    glPopMatrix();
    glDepthMask(GL_TRUE);
    glMatrixMode(mode[0]);

    pfDraw();

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