public static void OnWindowLoad()
{
if (WindowLoadedContextVersion != WindowContextVersion)
{
Window.VSync = VSyncMode.Off;
GL.EnableClientState(ArrayCap.VertexArray);
GL.EnableClientState(ArrayCap.ColorArray);
GL.EnableClientState(ArrayCap.TextureCoordArray);
GL.Enable(EnableCap.TextureRectangle);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
WindowLoadedContextVersion = WindowContextVersion;
}
// set necessary uniforms
Shader s_rgb = Shaders.Get("rgb");
Shader s_stencil = Shaders.Get("stencil");
Shader s_paletted = Shaders.Get("paletted");
s_rgb.SetUniform("texture1", 0);
s_stencil.SetUniform("texture1", 0);
s_paletted.SetUniform("texture1", 0);
s_paletted.SetUniform("texture2", 1);
SetViewport(0, 0, Width, Height);
SetTranslation(0f, 0f, 0f);
}
internal static void Init()
{
_constants = new PrecomputeConstants();
var atmosphere = Shaders.Get("Atmosphere");
TransmittancePass = atmosphere.GetPass("PrecomputeTransmittance");
InscatterPass = atmosphere.GetPass("PrecomputeInscatter");
NeedsRecompute = true;
IsInitialized = true;
}
public static void SetViewport(int x, int y, int w, int h)
{
GL.Viewport(x, Height - (y + h), w, h);
Shader s_rgb = Shaders.Get("rgb");
Shader s_stencil = Shaders.Get("stencil");
Shader s_paletted = Shaders.Get("paletted");
Shader s_notex = Shaders.Get("notex");
s_rgb.SetUniform("screen", (float)x, (float)y, (float)w, (float)h);
s_stencil.SetUniform("screen", (float)x, (float)y, (float)w, (float)h);
s_paletted.SetUniform("screen", (float)x, (float)y, (float)w, (float)h);
s_notex.SetUniform("screen", (float)x, (float)y, (float)w, (float)h);
}
public static void SetTranslation(float x, float y, float z)
{
if (ShadersTranslateX != x ||
ShadersTranslateY != y ||
ShadersTranslateZ != z)
{
ShadersTranslateX = x;
ShadersTranslateY = y;
ShadersTranslateZ = z;
Shader s_rgb = Shaders.Get("rgb");
s_rgb.SetUniform("translate", ShadersTranslateX, ShadersTranslateY, ShadersTranslateZ);
Shader s_stencil = Shaders.Get("stencil");
s_stencil.SetUniform("translate", ShadersTranslateX, ShadersTranslateY, ShadersTranslateZ);
Shader s_paletted = Shaders.Get("paletted");
s_paletted.SetUniform("translate", ShadersTranslateX, ShadersTranslateY, ShadersTranslateZ);
Shader s_notex = Shaders.Get("notex");
s_notex.SetUniform("translate", ShadersTranslateX, ShadersTranslateY, ShadersTranslateZ);
}
}
internal void Draw(ref DeviceContext context)
{
PixHelper.BeginEvent(Color.Zero, "Terrain");
if (_terrainPass == null)
{
_terrainShader = Shaders.Get("Terrain");
_terrainPass = _terrainShader.GetPass("Main");
}
lock (Renderer.Context)
{
_terrainPass.Use(ref context);
foreach (var chunk in _chunks)
{
chunk.Value.Draw(ref context);
}
}
PixHelper.EndEvent();
}