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test.pl  view on Meta::CPAN

    # NOP Vertex shader
    my $VertexProg = qq
    {!!ARBvp1.0
      PARAM center = program.local[0];
      PARAM xform[4] = {program.local[1..4]};
      TEMP vertexClip;

      # ModelView projection
      DP4 vertexClip.x, state.matrix.mvp.row[0], vertex.position;
      DP4 vertexClip.y, state.matrix.mvp.row[1], vertex.position;
      DP4 vertexClip.z, state.matrix.mvp.row[2], vertex.position;
      DP4 vertexClip.w, state.matrix.mvp.row[3], vertex.position;

      # Additional transform, via matrix variable
      DP4 vertexClip.x, vertexClip, xform[0];
      DP4 vertexClip.y, vertexClip, xform[1];
      DP4 vertexClip.z, vertexClip, xform[2];
      DP4 vertexClip.w, vertexClip, xform[3];

      #SUB result.position, vertexClip, center;
      MOV result.position, vertexClip;

      # Pass through color
      MOV result.color, vertex.color;

      # Pass through texcoords
      SUB result.texcoord[0], vertex.texcoord, center;
      END
    };

    glBindProgramARB(GL_VERTEX_PROGRAM_ARB, $VertexProgID);
    glProgramStringARB_p(GL_VERTEX_PROGRAM_ARB, $VertexProg);

    if (DO_TESTS)
    {
      my $format = glGetProgramivARB_p(GL_VERTEX_PROGRAM_ARB,
        GL_PROGRAM_FORMAT_ARB);
      printf("glGetProgramivARB_p format: '#%04X'\n",$format);

      my @params = glGetProgramEnvParameterdvARB_p(GL_VERTEX_PROGRAM_ARB,0);
      my $params = join(', ',@params);
      print "glGetProgramEnvParameterdvARB_p: $params\n";

      @params = glGetProgramEnvParameterfvARB_p(GL_VERTEX_PROGRAM_ARB,0);
      $params = join(', ',@params);
      print "glGetProgramEnvParameterfvARB_p: $params\n";

      my $vprog = glGetProgramStringARB_p(GL_VERTEX_PROGRAM_ARB);
      print "Vertex Prog: $vprog\n";
    }

    # Lazy Metalic Fragment shader
    my $FragProg = qq
    {!!ARBfp1.0
      PARAM surfacecolor = program.local[5];
      TEMP color;
      MUL color, fragment.texcoord[0].y, 2.0;
      ADD color, 1.0, -color;
      ABS color, color;
      ADD color, 1.01, -color;  #Some cards have a rounding error
      MOV color.a, 1.0;
      MUL color, color, surfacecolor;
      MOV result.color, color;
      END
    };

    glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, $FragProgID);
    glProgramStringARB_p(GL_FRAGMENT_PROGRAM_ARB, $FragProg);

    if (DO_TESTS)
    {
      my $fprog = glGetProgramStringARB_p(GL_FRAGMENT_PROGRAM_ARB);
      print "Fragment Prog: $fprog\n";
    }
  }
}


# ------
# Routine which actually does the drawing

sub cbRenderScene
{
  # Quit if inactive
  my $time = $hasHires ? gettimeofday() : time();
  my $time_to_exit = $idleSecsMax - ($time-$idleTime);
  if ($time_to_exit <= 0 )
  {
    print "Idle timeout; completing test\n";
    ourCleanup();
    return quit("render callback");
  }

  my $buf; # For our strings.

  # Animated Texture Rendering
  if ($FBO_On && ($FBO_On == 2 || !$FBO_rendered))
  {
    $FBO_rendered = 1;
    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, $FrameBufferID);
    glPushMatrix();
    glTranslatef(-0.35, -0.48, -1.5);
    glRotatef($Teapot_Rot--, 0.0, 1.0, 0.0);
    glClearColor(0, 0, 0, 0);
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glPushAttrib(GL_ENABLE_BIT);
    glEnable(GL_DEPTH_TEST);

    # Run shader programs for texture.
    # If installed, use OpenGL::Shader
    if ($Shader)
    {
      $Shader->Enable();
      $Shader->SetVector('center',0.0,0.0,2.0,0.0);
      $Shader->SetMatrix('xform',$xform);
      $Shader->SetVector('surfacecolor',1.0,0.5,0.0,1.0);
    }
    # Otherwise, do it manually
    elsif ($hasFragProg)