//------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------
public RenderGroup Render(RenderGroup previous)
{
if (!this._active)
return previous;
/*create ssao accumulation buffer*/
this.BindBloomShader();
this._graphics.SwitchRenderGroup(this._finalGroup);
this._graphics.RenderPostProcess();
return this._finalGroup;
}
//------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------
public RenderGroup Render(RenderGroup previous)
{
if (!this._active)
return previous;
/*create ssao accumulation buffer*/
this.BindSsaoShader();
this._graphics.SwitchRenderGroup(this._ssaoGroup);
this._graphics.RenderPostProcess();
/*ssao + diffuse + blur*/
this.BindFinalShader(previous);
this._graphics.SwitchRenderGroup(this._finalGroup);
this._graphics.RenderPostProcess();
return this._finalGroup;
}
//------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------
public void Reset(IGraphics graphics)
{
this._finalGroup = graphics.CreateRenderGroup(true);
this._graphics = graphics;
}
//------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------
private void BindMotionBlurShader(RenderGroup current)
{
if (this._depthShader == null)
return;
this._graphics.BindShader(this._depthShader);
/*textures*/
this._graphics.BindTexture(this._depthShader.Uniforms["uSPost"], current.RenderTexture, 0);
}
//------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------
private void BindFinalShader(RenderGroup previous)
{
if(this._compositeShader == null)
return;
this._graphics.BindShader(this._compositeShader);
this._graphics.BindTexture(this._compositeShader.Uniforms["uSPost"], previous.RenderTexture, 0);
this._graphics.BindTexture(this._compositeShader.Uniforms["uSAccumulation"], this._ssaoGroup.RenderTexture, 1);
}
//------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------
private void SetupFrameBuffers()
{
this._depthbuffer = this._context.CreateRenderbuffer();
this._context.BindRenderbuffer(WebGLE.Renderbuffer, this._depthbuffer);
this._context.RenderbufferStorage(WebGLE.Renderbuffer, WebGLE.DepthComponent16, this._renderTextureDim, this._renderTextureDim);
this._diffuseGroup = this.CreateRenderGroup(true);
this._normalGroup = this.CreateRenderGroup(true);
this._positionGroup = this.CreateRenderGroup(true);
this._accumulationGroup = this.CreateRenderGroup(true);
this._postGroup = this.CreateRenderGroup(true);
}
//------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------
private void PostProcessingPass()
{
WebGLGraphics that = this;
this._lastGroup = this._postGroup;
this._effects.ForEach(delegate(IPostProcessEffect value) {
that._lastGroup = value.Render(that._lastGroup);
});
}
//------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------
public void SwitchRenderGroup(RenderGroup group)
{
this._context.BindFramebuffer(WebGLE.FrameBuffer, group.FrameBuffer);
}
//------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------
public RenderGroup CreateRenderGroup(Boolean commonDepth)
{
RenderGroup ret = new RenderGroup();
ret.RenderTexture = this.CreateRenderTexture();
if (commonDepth)
ret.DepthRenderBuffer = this._depthbuffer;
else
ret.DepthRenderBuffer = null; /*not supported yet*/
ret.FrameBuffer = this._context.CreateFramebuffer();
this._context.BindFramebuffer(WebGLE.FrameBuffer, ret.FrameBuffer);
this._context.BindRenderbuffer(WebGLE.Renderbuffer, ret.DepthRenderBuffer);
this._context.FramebufferRenderbuffer(WebGLE.FrameBuffer, WebGLE.DepthAttachment, WebGLE.Renderbuffer, ret.DepthRenderBuffer);
this._context.FramebufferTexture2D(WebGLE.FrameBuffer, WebGLE.ColorAttachment0, WebGLE.Texture_2D, ret.RenderTexture, 0);
return ret;
}
//------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------
public void CleanRenderGroup(RenderGroup old)
{
if(old == null)
return;
this._context.DeleteFramebuffer(old.FrameBuffer);
this._context.DeleteTexture(old.RenderTexture);
if(old.DepthRenderBuffer != this._depthbuffer)
this._context.DeleteRenderbuffer(old.DepthRenderBuffer);
}
