public void RenderFrame(FrameEventArgs e)
{
// Buffer vertex normal if shader supports it
if (shaderProgram.GetAttribute("vNormal") != -1 && model.Normals.Length > 0)
{
GL.BindBuffer(BufferTarget.ArrayBuffer, shaderProgram.GetBuffer("vNormal"));
GL.BufferData <Vector3>(BufferTarget.ArrayBuffer,
(IntPtr)(model.Normals.Length * Vector3.SizeInBytes),
model.Normals, BufferUsageHint.StaticDraw);
GL.VertexAttribPointer(shaderProgram.GetAttribute("vNormal"), 3, VertexAttribPointerType.Float, true, 0, 0);
}
}
public virtual void RenderFrame(FrameEventArgs e)
{
GL.UseProgram(ShaderProgram.ProgramID);
GL.BindBuffer(BufferTarget.ArrayBuffer, ShaderProgram.GetBuffer("vPosition"));
GL.BufferData(BufferTarget.ArrayBuffer,
(IntPtr)(Model.Vertices.Length * Vector3.SizeInBytes),
Model.Vertices, BufferUsageHint.StaticDraw);
GL.VertexAttribPointer(ShaderProgram.GetAttribute("vPosition"), 3, VertexAttribPointerType.Float, false, 0, 0);
ShaderProgram.EnableVertexAttribArrays();
Matrix4 mvp = Model.WorldViewProjectionMatrix;
GL.UniformMatrix4(ShaderProgram.GetUniform("modelview"), false, ref mvp);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, indexBufferID);
GL.BufferData(BufferTarget.ElementArrayBuffer,
(IntPtr)(Model.Indices.Length * sizeof(int)),
Model.Indices, BufferUsageHint.StaticDraw);
foreach (var r in featureRenderers)
{
r.RenderFrame(e);
}
GL.DrawElements(Model.DrawMode, Model.Indices.Length, DrawElementsType.UnsignedInt, 0);
}
public void RenderFrame(FrameEventArgs e)
{
// Buffer texture coordinates if shader supports it
if (shaderProgram.GetAttribute("vTexcoord") != -1 && model.TextureCoords.Length > 0)
{
GL.BindBuffer(BufferTarget.ArrayBuffer, shaderProgram.GetBuffer("vTexcoord"));
GL.BufferData <Vector2>(BufferTarget.ArrayBuffer,
(IntPtr)(model.TextureCoords.Length * Vector2.SizeInBytes),
model.TextureCoords, BufferUsageHint.StaticDraw);
GL.VertexAttribPointer(shaderProgram.GetAttribute("vTexcoord"), 2, VertexAttribPointerType.Float, true, 0, 0);
}
GL.BindTexture(TextureTarget.Texture2D, model.TextureID);
if (shaderProgram.GetAttribute("maintexture") != -1)
{
GL.Uniform1(shaderProgram.GetAttribute("maintexture"), model.TextureID);
}
}