| public SetUniforms ( string prefix, UniformState state ) : void | ||
| prefix | string | |
| state | UniformState | |
| return | void | |
/// <summary>
/// Add the specified state, prefix and mvp.
/// </summary>
/// <param name="state">State.</param>
/// <param name="prefix">Prefix.</param>
/// <param name="mvp">Mvp.</param>
public static void Add(this UniformState state, ModelViewProjectionParameters mvp, string prefix = "")
{
mvp.SetUniforms(prefix, state);
}
/// <summary>
/// Sets the mvp.
/// </summary>
/// <param name="state">State.</param>
/// <param name="prefix">Prefix.</param>
/// <param name="mvp">Mvp.</param>
public static void SetMvp(this UniformState state, string prefix, ModelViewProjectionParameters mvp)
{
mvp.SetUniforms(prefix, state);
}
/// <summary>
/// given color and depth textures, render them.
/// </summary>
private static RenderPass CreateSolidBox(
FramebufferBindingSet targets,
BufferObject<Vector4> sprite_pos_buffer,
BufferObject<Vector4> sprite_color_buffer,
BufferObject<Vector4> sprite_dimensions_buffer,
BufferObject<Matrix4> sprite_rotation_local_buffer,
BufferObject<Matrix4> sprite_rotation_buffer,
IValueProvider<Vector2> viewport,
IValueProvider<int> particles_count,
IValueProvider<float> particle_scale_factor,
IValueProvider<string> fragdepthroutine,
IValueProvider<string> outputroutine,
ModelViewProjectionParameters mvp,
UniformState subroutineMapping,
IEnumerable<Shader> subroutines
)
{
var uniform_state = subroutineMapping != null? new UniformState (subroutineMapping): new UniformState();
uniform_state.Set ("viewport_size", viewport);
uniform_state.Set ("particle_scale_factor", particle_scale_factor);
uniform_state.Set ("u_SetFragmentDepth", ShaderType.FragmentShader, fragdepthroutine);
uniform_state.Set ("u_SetOutputs", ShaderType.FragmentShader, outputroutine);
mvp.SetUniforms("", uniform_state);
var array_state =
new ArrayObject (
new VertexAttribute { AttributeName = "sprite_pos", Buffer = sprite_pos_buffer, Size = 3, Stride = 16, Type = VertexAttribPointerType.Float },
new VertexAttribute { AttributeName = "sprite_color", Buffer = sprite_color_buffer, Size = 3, Stride = 16, Type = VertexAttribPointerType.Float },
new VertexAttribute { AttributeName = "sprite_dimensions", Buffer = sprite_dimensions_buffer, Size = 3, Stride = 16, Type = VertexAttribPointerType.Float },
new VertexAttribute { AttributeName = "sprite_rotation_local", Buffer = sprite_rotation_local_buffer, Size = 16, Stride = 64, Type = VertexAttribPointerType.Float },
new VertexAttribute { AttributeName = "sprite_rotation", Buffer = sprite_rotation_buffer, Size = 16, Stride = 64, Type = VertexAttribPointerType.Float }
);
var shaders = SeparateProgramPass.GetShaders("solid_box", "RenderPassFactory");
shaders = shaders.Concat(subroutines ?? new Shader[0]).ToArray();
//
var resultPass = new SeparateProgramPass
(
//the name of the pass-program
"solid_box_RenderPassFactory",
//before state
null,
//before render
null,
//render code
(window) =>
{
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.Enable (EnableCap.DepthTest);
GL.DepthMask(true);
GL.DepthFunc (DepthFunction.Less);
GL.Disable (EnableCap.Blend);
//setup viewport
GL.Viewport(0, 0, (int)viewport.Value.X, (int)viewport.Value.Y);
GL.DrawArrays (BeginMode.Points, 0, particles_count.Value);
},
//shaders
shaders,
//pass state
array_state,
uniform_state,
targets
);
return resultPass;
}
