public FullscreenQuad(ShaderType_BL type, ShaderFlags flags)
{
VertexBufferObject = GL.GenBuffer();
VertexArrayObject = GL.GenVertexArray();
ElementBufferObject = GL.GenBuffer();
Initialise(type, flags);
}
public void Render(ShaderType_BL type)
{
// add material stuff here
mat.RenderMaterial();
mat.SetShader(type);
mat.UpdateWorldTransformMatrix(GetModelMatrix());
mat.shader.BindMatrix4("viewProjection", CameraManager.GetActiveCamera().GetViewProjectionMatrix());
// mat.shader.BindMatrix4("projection", CameraManager.GetActiveCamera().GetProjectionMatrix());
mat.shader.BindVector3("viewPos", CameraManager.GetActiveCamera().Position);
mat.shader.BindFloat("FogEndDistance", RenderingParameters.FogEndDistance);
mat.shader.BindFloat("roughness", 0.1f);
mat.shader.BindFloat("metallic", 0.0f);
vol.Render();
}
public static Shader get(ShaderType_BL type, ShaderFlags flags = 0)
{
if (Shaders.ContainsKey(Tuple.Create(flags, type)))
{
//Return existing shader
return(Shaders[Tuple.Create(flags, type)]);
}
else
{
//Create shader
Shader shader = new Shader(type, flags);
Shaders.Add(Tuple.Create(flags, type), shader);
return(shader);
}
}
void Initialise(ShaderType_BL type, ShaderFlags flags)
{
shader = ShaderManager.get(type, flags);
GL.BindVertexArray(VertexArrayObject);
GL.BindBuffer(BufferTarget.ArrayBuffer, VertexBufferObject);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, ElementBufferObject);
GL.BufferData(BufferTarget.ArrayBuffer, vertices.Length * sizeof(float), vertices, BufferUsageHint.StaticDraw);
GL.BufferData(BufferTarget.ElementArrayBuffer, indices.Length * sizeof(uint), indices, BufferUsageHint.StaticDraw);
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, 5 * sizeof(float), 0);
GL.EnableVertexAttribArray(0);
int texCoordLocation = shader.GetAttribLocation("aTexCoord");
GL.EnableVertexAttribArray(texCoordLocation);
GL.VertexAttribPointer(texCoordLocation, 2, VertexAttribPointerType.Float, false, 5 * sizeof(float), 3 * sizeof(float));
}
public void SetShader(ShaderType_BL type)
{
shader = ShaderManager.get(type, flags);
}
public static void put(ShaderType_BL type, ShaderFlags flags, Shader shader)
{
Shaders[Tuple.Create(flags, type)] = shader;
}
