public void DebugRenderShadowMap(ShadowMap shadowMap)
{
PrepareRender(depthDebugShader);
depthDebugShader.LoadBool("linearize", false);
//depthDebugShader.LoadFloat("nearPlane", 10);
//depthDebugShader.LoadFloat("farPlane", 4000);
// Bind the FBO texture
GL.ActiveTexture(TextureUnit.Texture0);
shadowMap.BindTex();
// Set transformation matrix
depthDebugShader.LoadMatrix4("transformationMatrix",
Maths.CreateTransformationMatrix(new Vector2(0.5f, 0.5f), new Vector2(0.5f, 0.5f)));
// Draw
GL.DrawArrays(BeginMode.TriangleStrip, 0, 4);
// Ubind the FBO texture
GL.BindTexture(TextureTarget.Texture2D, 0);
EndRender(depthDebugShader);
}
void RenderObjects()
{
// Enable global wireframe if needed
if (Renderer.GlobalWireframe)
{
StateManager.EnableWireframe();
}
// Ensure back-face culling is enabled
StateManager.Enable(EnableCap.CullFace);
StateManager.Enable(EnableCap.DepthTest);
StateManager.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
forwardShader.Start();
forwardShader.LoadColor4("colorOverlay", Color.White);
forwardShader.LoadFloat("entityLighting", 1f);
// Load global shader variables
Camera camera = Camera.Active;
forwardShader.LoadBool("fogEnabled", Renderer.FogEnabled);
if (Renderer.FogEnabled)
{
forwardShader.LoadInt("fogQuality", (int)GFXSettings.FogQuality);
forwardShader.LoadFloat("fogDensity", Renderer.FogDensity);
forwardShader.LoadFloat("fogGradient", Renderer.FogGradient);
forwardShader.LoadFloat("fogMin", Renderer.FogMin);
forwardShader.LoadFloat("fogMax", Renderer.FogMax);
GL.ActiveTexture(TextureUnit.Texture1);
if (GFXSettings.FogQuality == FogQuality.High)
{
skyRenderTarg.Texture.Bind();
}
else if (GFXSettings.FogQuality == FogQuality.Medium)
{
Renderer.Sky.skyMap.Bind();
forwardShader.LoadFloat("skyMapOffset", Renderer.Sky.skyMapOffset);
}
else
{
forwardShader.LoadColor3("fogColor", Renderer.FogColor);
}
}
forwardShader.LoadLights(Renderer.Lights);
forwardShader.LoadMatrix4("projectionMatrix", camera.ProjectionMatrix);
forwardShader.LoadMatrix4("viewMatrix", camera.ViewMatrix);
forwardShader.LoadVector3("cameraPosition", camera.Position);
forwardShader.LoadFloat("ambientIntensity", Renderer.AmbientIntensity);
forwardShader.LoadBool("renderShadows", GFXSettings.RenderShadows);
forwardShader.LoadFloat("lightFalloff", Renderer.LightFalloff);
if (GFXSettings.RenderShadows)
{
forwardShader.LoadMatrix4("lightSpaceMatrix", shadowCamera.LightSpaceMatrix);
forwardShader.LoadInt("pcfSamples", GFXSettings.ShadowPCFSamples);
forwardShader.LoadFloat("shadowTexelMultiplier", shadow_texelMultiplier);
forwardShader.LoadFloat("shadowBias", Renderer.ShadowBias);
forwardShader.LoadFloat("shadowVisibility", Renderer.ShadowVisibility);
GL.ActiveTexture(TextureUnit.Texture0);
shadowMap.BindTex();
}
// Render normal geometry
foreach (Renderer3D renderer in Renderer.Renderer3Ds.Values)
{
renderer.Prepare();
renderer.Render(forwardShader, RenderPass.Normal, false);
}
shadowMap.UnbindTex();
// Render front geometry
if (GFXSettings.RenderShadows)
{
GL.ActiveTexture(TextureUnit.Texture0);
shadowMap.BindTex();
}
GL.Clear(ClearBufferMask.DepthBufferBit);
foreach (Renderer3D renderer in Renderer.Renderer3Ds.Values)
{
renderer.Prepare();
renderer.Render(forwardShader, RenderPass.Normal, true);
}
forwardShader.Stop();
shadowMap.UnbindTex();
// Reset wireframe
StateManager.DisableWireframe(true);
}
