Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision		Previous revision
Last revisionBoth sides next revision
renderpass [2020/01/09 14:07] – [Rendering Method] adminrenderpass [2020/01/09 14:24] – [How to use] admin
Line 170: Line 170:
           [TRenderTarget.Color_0, TRenderTarget.Depth],            [TRenderTarget.Color_0, TRenderTarget.Depth], 
           TAlphaColorF.Create(0, 0, 0, 0), 0, 0);           TAlphaColorF.Create(0, 0, 0, 0), 0, 0);
-        FFBO.Bind();+           
 +        // prepare framebufferobject for multiple render targets
         FFBO.Prepare([TRenderTarget.Color_0, TRenderTarget.Depth]);                 FFBO.Prepare([TRenderTarget.Color_0, TRenderTarget.Depth]);        
       end;       end;
Line 176: Line 177:
     OnPassEnd:     OnPassEnd:
       begin               begin        
-        AContext.SetCameraMatrix(FPrevCamView); +        AContext.SetCameraMatrix(FPrevCamView);   
-         +
-        FFBO.Unbind();        +
       end;       end;
   end;   end;
Line 306: Line 305:
 To use a render target from the framebuffer object, we need to clear it on each rendering step. To use a render target from the framebuffer object, we need to clear it on each rendering step.
 After that, we have to activate it for shader usage by the Prepare() method. After that, we have to activate it for shader usage by the Prepare() method.
 +The prepare method will activate all supplied render targets for shader computation.
 +If you forget to execute prepare() only the default target Color_0 will be available for computation.
  
 We do this all in the render-pass callback method (DoOnRenderPass), when state is "TRenderPassEventState.OnPassBegin": We do this all in the render-pass callback method (DoOnRenderPass), when state is "TRenderPassEventState.OnPassBegin":
Line 320: Line 321:
       FFBO.Clear(Point(AContext.Width, AContext.Height),        FFBO.Clear(Point(AContext.Width, AContext.Height), 
         LTarget, TAlphaColorF.Create(0, 0, 0, 0), 0, 0);         LTarget, TAlphaColorF.Create(0, 0, 0, 0), 0, 0);
-       
-      // bind again the framebuffer object 
-      FFBO.Bind(); 
              
       // activate the specific render target buffer for shader       // activate the specific render target buffer for shader
Line 337: Line 335:
   begin   begin
     [...]     [...]
-     
-    // unbind framebuffer object 
-    FFBO.Unbind(); 
   end;   end;
 </file> </file>
Line 399: Line 394:
 FMyRenderPass.Enabled := true; FMyRenderPass.Enabled := true;
 </file> </file>
 +
 +Next step: [[shadows|Shadows]]
Except where otherwise noted, content on this wiki is licensed under the following license: Public Domain


  • Show page
  • Old revisions
  • Backlinks
  • Recent Changes
  • Media Manager
  • Sitemap