public GuiLayer(Window w, GlProgram pgm, IVertexCoder <GuiVertex> coder, Font fnt)
{
_win = w ?? throw new ArgumentNullException(nameof(w));
_pgm = pgm ?? throw new ArgumentNullException(nameof(pgm));
_array = new VertexArray <GuiVertex>(coder, 4)
{
[0] = new GuiVertex(new Vector2(0, 0), new Vector2(0, 1)),
[1] = new GuiVertex(new Vector2(1, 0), new Vector2(1, 1)),
[2] = new GuiVertex(new Vector2(1, 1), new Vector2(1, 0)),
[3] = new GuiVertex(new Vector2(0, 1), new Vector2(0, 0))
};
_indices = new IndexBuffer(6, _array)
{
[0] = 0,
[1] = 1,
[2] = 2,
[3] = 0,
[4] = 2,
[5] = 3,
};
_font = fnt ?? throw new ArgumentNullException(nameof(fnt));
_uColor = pgm.GetUniform("uColor");
_uColor.EnsureType(new ShaderElementType(PrimitiveTypes.Float, 4));
_uTexture = pgm.GetUniform("uTexture");
_uTexture.EnsureType(new ShaderElementType(PrimitiveTypes.Sampler, 2));
_uTextureEnabled = pgm.GetUniform("uTextureEnabled");
_uTextureEnabled.EnsureType(new ShaderElementType(PrimitiveTypes.Bool, 1));
_uTransform = pgm.GetUniform("uTransform");
_uTransform.EnsureType(new ShaderElementType(PrimitiveTypes.Matrix, 4));
_uScale = pgm.GetUniform("uScale");
_uScale.EnsureType(new ShaderElementType(PrimitiveTypes.Float, 2));
}
public LightUniform(Uniform pos, Uniform col, Uniform its)
{
_position = pos ?? throw new ArgumentNullException(nameof(pos));
_color = col ?? throw new ArgumentNullException(nameof(col));
_intensity = its ?? throw new ArgumentNullException(nameof(its));
_position.EnsureType(Vec4);
_color.EnsureType(Vec3);
_intensity.EnsureType(Float);
}
public MaterialUniform(Uniform amb, Uniform diff, Uniform col)
{
_ambient = amb ?? throw new ArgumentNullException(nameof(amb));
_diffusion = diff ?? throw new ArgumentNullException(nameof(diff));
_color = col ?? throw new ArgumentNullException(nameof(col));
_ambient.EnsureType(Float);
_diffusion.EnsureType(Float);
_color.EnsureType(Vec4);
}
public RenderHandle(Window win, GlProgram program)
{
Window = win ?? throw new ArgumentNullException(nameof(win));
Program = program;
_uModel = program.GetUniform(UNIFORM_MODEL);
_uView = program.GetUniform(UNIFORM_VIEW);
_uProjection = program.GetUniform(UNIFORM_PROJECTION);
_uShade = program.GetUniform(UNIFORM_SHADE);
_uMaterial = new MaterialUniform(program.GetUniform($"{UNIFORM_MATERIAL}.ambient"), program.GetUniform($"{UNIFORM_MATERIAL}.diffusion"), program.GetUniform($"{UNIFORM_MATERIAL}.color"));
_uLightCount = program.GetUniform(UNIFORM_LIGHT_COUNT);
for (uint i = 0; i < LIGHT_LIMIT; i++)
{
_uLight[i] = new LightUniform(program.GetUniform($"{UNIFORM_LIGHT}[{i}].position"), program.GetUniform($"{UNIFORM_LIGHT}[{i}].color"), program.GetUniform($"{UNIFORM_LIGHT}[{i}].intensity"));
}
_uModel.EnsureType(new ShaderElementType(PrimitiveTypes.Matrix, 4));
_uView.EnsureType(new ShaderElementType(PrimitiveTypes.Matrix, 4));
_uProjection.EnsureType(new ShaderElementType(PrimitiveTypes.Matrix, 4));
_uShade.EnsureType(new ShaderElementType(PrimitiveTypes.Bool, 1));
}