private void RenderTexturedPlane()
{
GL.PushAttrib(AttribMask.TextureBit | AttribMask.EnableBit);
LightingShaderProgram.Texture1 = FileTexture;
//FileTexture.Bind();
LightingShaderProgram.Activate();
GL.PushMatrix();
float width = FileTexture.Picture.Width / (float)FileTexture.Picture.Height;
GLHelpers.PlaneMesh(width, 1, 3, -0.25f);
GL.PopMatrix();
ShaderProgram.DisableShaders();
GL.PopAttrib();
}
private void GLElement_GLRenderStarted(object sender, EventArgs e)
{
#region FBO start
if (UseFrameBuffer)
{
FBO.Activate();
FBO.FBOInitializeView(GLElement1.PerspectiveProjection, TransformOuter.Location.Z);
}
else
{
FBO.Deactivate();
}
#endregion
RenderToBuffer();
#region FBO finish
if (UseFrameBuffer)
{
FBO.Deactivate();
GLElement1.InitializeView();
GL.ClearColor(0, .3f, .5f, 1);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.LoadIdentity();
// Now bind the texture to use it
GL.ActiveTexture(TextureUnit.Texture0);
FBO.Bind();
GLHelpers.Color4(Colors.Black); // to prevent it from being transparent
// Tranform
TransformOuter.Apply();
// Render with shader
LightingShaderProgram.Texture1 = FBO.Texture;
LightingShaderProgram.Activate();
//GLHelpers.Plane(1.3, 1.3, 0); // put it on a plane
GLHelpers.Cube2D(1.7); // put it on a cube
// Do some cleanup
TransformOuter.Remove();
Texture2D.Disable2DTextures();
ShaderProgram.DisableShaders();
}
#endregion
}
private void RenderTexturedCube(bool useShader)
{
GL.PushAttrib(AttribMask.TextureBit | AttribMask.EnableBit);
if (useShader)
{
GLHelpers.Color4(Colors.Transparent);
LightingShaderProgram.Texture1 = CirclesTexture;
LightingShaderProgram.Activate();
}
else
{
GLHelpers.Color4(Colors.Black);
GL.TexEnv(TextureEnvTarget.TextureEnv, TextureEnvParameter.TextureEnvMode, (int)TextureEnvMode.Replace);
//GL.TexEnv(TextureEnvTarget.TextureEnv, TextureEnvParameter.TextureEnvMode, (int)TextureEnvMode.Decal);
CirclesTexture.Bind();
}
var transformCube = new TransformGL(new Vector3(-.4f, -.4f, 0));
transformCube.Apply();
GLHelpers.Cube2D(.5);
transformCube.Remove();
transformCube.Location = new Vector3(0, 0, 0);
transformCube.Apply();
GLHelpers.Cube2D(.25);
transformCube.Remove();
transformCube.Location = new Vector3(.2f, .2f, 0);
transformCube.Apply();
GLHelpers.Cube2D(.125);
transformCube.Remove();
transformCube.Location = new Vector3(.3f, .3f, 0);
transformCube.Apply();
GLHelpers.Cube2D(.06125);
transformCube.Remove();
// cleanup
ShaderProgram.DisableShaders();
GL.PopAttrib();
}
/// <summary>Load the shaders from disk and set them up</summary>
private void InitializeShaders()
{
WrippleShaderProgram = new WrippleShaderProgram();
LightingShaderProgram = new LightingShaderProgram();
PatternShaderProgram = new PatternShaderProgram();
}