Automated Combination of Real Time Shader Programs (EG 2007)

Automated Combination Of Real-Time Shader Programs Matthias Trapp :: Jürgen Döllner + =

Outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

1. Motivation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

1. Motivation ,[object Object]

2. Concept - Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],= +

2. Concept - Decomposition ,[object Object]

2. Concept – Decompostion Details ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

3. Tagging Shader Source Code ,[object Object],[object Object],handler [ local | global | optional | explicite | ignore ] hName ( interface iName ) handler local onLighting ( interface context ) { vec3 fragNormal = normalize ( context.us_Frag Normal ); vec3 fragView = normalize ( context.us_Frag View ); vec3 fragLight = normalize ( context.us_Frag Light ); vec3 reflection = normalize (reflect(-phongLight, phongNormal)); float NdotL = max (0.0, dot (fragNormal, fragLight)); float VdotR = dot (fragView, reflection); float VdotRExp = pow ( max (0.0, VdotR), context.us _FrontMaterial.shininess ); context.us_FragColor = context.us _FrontMaterial.ambient * ( gl_LightSource[0].ambient + gl_LightModel.ambient ) + NdotL * gl_LightSource[0].diffuse * context.us _FrontMaterial.diffuse + VdotRExp * context.us _FrontMaterial.specular * gl_LightSource[0].specular ; return ; }

4. Preprocessing Step ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

5. Shader Combination ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],foreach prototype P  PL do foreach shader program SP  PPL do foreach shader handler SH  SP do if ( prototype(SH) = P ) do appendIfStatement(SH)

6. Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Thank You. [email_address] [email_address] :: www.vrs3d.org :: www.hpi.uni-potsdam.de ::

2. Concept – Interfaces ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Vertex Handler Interface ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Fragment Handler Interface

2. Concept – Execution Modes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

2. Concept – Execution Modes ,[object Object]

Automated Combination of Real Time Shader Programs (EG 2007)

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