/// <summary>
/// Create or update resources defined by this IGraphicsState, based on the associated <see cref="ShaderProgram"/>.
/// </summary>
/// <param name="ctx">
/// A <see cref="GraphicsContext"/> used for allocating resources.
/// </param>
/// <param name="shaderProgram">
/// A <see cref="ShaderProgram"/> that will be used in conjunction with this IGraphicsState.
/// </param>
private void CreateUniformBuffer(GraphicsContext ctx, ShaderProgram shaderProgram)
{
if (ctx.Extensions.UniformBufferObject_ARB == false)
{
return; // No uniform buffer support
}
if (UniformBlockTag == null)
{
return; // No uniform block support by this class
}
if (shaderProgram == null)
{
return; // No uniform buffer support by fixed pipeline
}
Debug.Assert(_UniformBuffer == null);
if (shaderProgram.IsActiveUniformBlock(UniformBlockTag))
{
_UniformBuffer = shaderProgram.CreateUniformBlock(UniformBlockTag, UniformBlockHint);
_UniformBuffer.Create(ctx);
_UniformBuffer.IncRef();
}
// Base implementation
base.CreateState(ctx, shaderProgram);
}
public void Render()
{
//--
var ubo = new UniformBufferObject();
ubo.Create();
// if (RenderContext.LightObjects.Count >= 2)
// {
// var lightsData = new GlslLight[2];
// lightsData[0].Position = RenderContext.LightObjects[0].Position;
// lightsData[0].Color = new Vector3(0.5f, 0.5f, 0.5f);
// lightsData[0].ShadowLayer = RenderContext.LightObjects[0].ShadowTextureIndex;
// lightsData[0].DirectionalLight = RenderContext.LightObjects[0].LightType == LightType.Directional ? 1 : 0;
// lightsData[0].LightSpaceMatrix = Matrix4.Transpose(RenderContext.LightObjects[0].LightCamera.ViewMatrix * RenderContext.LightObjects[0].LightCamera.ProjectionMatrix);
// lightsData[0].Linear = 0.1f;
// lightsData[0].Quadric = 0f;
// lightsData[1].Position = RenderContext.LightObjects[1].Position;
// lightsData[1].Color = new Vector3(0.5f, 0.5f, 0.5f);
// lightsData[1].ShadowLayer = RenderContext.LightObjects[1].ShadowTextureIndex;
// lightsData[1].DirectionalLight = RenderContext.LightObjects[1].LightType == LightType.Directional ? 1 : 0;
// lightsData[1].LightSpaceMatrix = Matrix4.Transpose(RenderContext.LightObjects[1].LightCamera.ViewMatrix * RenderContext.LightObjects[1].LightCamera.ProjectionMatrix);
// lightsData[1].Linear = 0.1f;
// lightsData[1].Quadric = 0f;
// ubo.SetData(BufferData.Create(lightsData));
// ubo.SetBindingPoint(RenderContext.LightBinding);
// }
if (RenderContext.LightObjects.Count > 0)
{
var lightDataList = new List <GlslLight>();
foreach (var light in RenderContext.LightObjects)
{
var lightData = new GlslLight();
lightData.Position = light.Position;
lightData.Color = light.Color;
lightData.ShadowLayer = light.ShadowTextureIndex;
lightData.DirectionalLight = light.LightType == LightType.Directional ? 1 : 0;
lightData.LightSpaceMatrix = Matrix4.Transpose(light.LightCamera.ViewMatrix * light.LightCamera.ProjectionMatrix);
lightData.Linear = light.Linear;
lightData.Quadric = light.Quadric;
lightData.FarPlane = light.LightCamera.FarPlane;
lightData.Direction = light.Direction.Normalized();
lightDataList.Add(lightData);
}
ubo.SetData(BufferData.Create(lightDataList.ToArray()));
ubo.SetBindingPoint(RenderContext.LightBinding);
}
//--
GL.Enable(EnableCap.DepthTest);
//--
RenderContext.InitRender();
RenderContext.Render();
RenderContext.OnWorldRendered();
//--
// Configure
// Render objects
// Render Screen Surface
//CheckForProgramError();
ubo.Free();
if (FlushRenderBackend == FlushRenderBackend.End)
{
GL.Finish();
}
}