Difference between revisions of "ShaderFloorPS"
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Revision as of 08:51, 24 March 2007
EP2-NL
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# pixelshaderfloors
# if I'm using the highlight mode (ie, the eye dropper), I disable normal mapping for the tile
# there is no need for the extra detail in this case.
define DebugFloorPixelShader(normalMapping)
shaderProgram -target pixelProgram -method assemble
shaderSource
ps_1_1
def c0, 0.5,0.5,1.0,1
tex t0
endShaderSource
if ($debugShowLightMapTexcoords)
shaderSource
texcoord t1
mov r0, t1
endShaderSource
else
if ($debugShowFloorIncidence)
shaderSource
tex t2
tex t3
mov r0, t3
endShaderSource
else
if ($debugShowFloorNormalMap)
if (&normalMapping)
shaderSource
tex t2
mov r0, t2
endShaderSource
else
shaderSource "mov r0, c0"
endif
else
if ($debugFloorLighting)
if (&normalMapping)
shaderSource
tex t1
tex t2
tex t3
dp3 r0, t2_bx2, t3_bx2
mul_x2 r0, r0, t1
endShaderSource
else
shaderSource "mov r0, t0"
endif
endif
endif
endif
endif
end
enddef
define PixelShaderFloors(normalMapping)
setb caustics false
seti textureLights 0
if ($floorCausticsPass and $causticsEnabled)
setb caustics true
endif
shader -layer $floorLayer
validateRenderShaderContext -vertexFormat position 0 required
validateRenderShaderContext -vertexFormat texcoord 0 required
#validateRenderShaderContext -vertexFormat normal 0 required
if (&normalMapping)
validateRenderShaderContext -vertexFormat texcoord 1 required
endif
validateRenderShaderContext -viewerRenderType viewerRenderType
if ($caustics)
pass -modifiedEachFrameHint
else
pass
endif
# texcoord0 = scale (1/$floorMaterialScaleU, 1/$floorMaterialScaleV)
# texcoord1 = normal mapping texcoords
setb lightMapping false
if (varExists(page))
setb lightMapping true
else
set page "foo"
endif
if ($hasTexcoord2 = false)
setb lightMapping false
endif
setv3 evalDiffuse ($stdMatDiffCoef.xyz)
shaderProgram -target vertexProgram -method assemble
setf scaleU (1.0 / $floorMaterialScaleU)
setf scaleV (1.0 / $floorMaterialScaleV)
bindConstants 0 -bindingID geomToClip -constantCount 4
bindConstants 4 -bindingID immediateData -data ( $scaleU, $scaleV, 1, 1)
bindConstants 5 -bindingID geomToGlobal -constantCount 3
shaderSource
vs_1_1
# for pool floors.
def c11, 1, -1, 0, 0.3
def c12, 1, 1, 1, 1
def c13, -1, -1, 1, 1
dcl_position v0
dcl_texcoord0 v1
endShaderSource
if (&normalMapping or $lightMapping)
shaderSource "dcl_texcoord1 v2"
endif
shaderSource
m4x4 oPos, v0, c0
mul oT0.xy, v1, c4 ; base is tiled by scale
endShaderSource
if (&normalMapping or $lightMapping)
shaderSource "mov oT1.xy, v2 ; lightmap space"
endif
if ($floorHighlightOn)
shaderSource "mov oT2.xy, v1 ; highlight texture is in raw coordinates."
else
if ($caustics)
shaderSource
m4x3 r0, v0, c5 ; object to world space.
mul r0.xyz, r0.xyz, c11.w ; mul by 0.3
m3x3 oT2, r0, c11 ; project and emit.
endShaderSource
else
if (&normalMapping or $debugShowFloorIncidence or $debugShowFloorNormalMap)
shaderSource
mul oT2.xy, v1 , c4 ; normal map in 'tile space', so apply scale just like base
mov oT3.xy, v2 ; incidence exists in lightmap space
endShaderSource
endif
endif
endif
end # shaderProgram
if ($debugShowFloorIncidence or $debugShowFloorNormalMap or $debugFloorLighting or $debugShowLightMapTexcoords)
create DebugFloorPixelShader(&normalMapping)
else
shaderProgram -target pixelProgram -method assemble
bindConstants 0 -bindingID immediateData -data($evalDiffuse, 1)
if ($floorHighlightOn)
bindConstants 1 -bindingID immediateData -data ($floorHighlightIntensity)
endif
bindConstants 2 -bindingID immediateData -data (0,0,0,$causticsStrength)
seti textureLights (numLightsOfType(environmentCube)) # a color that scales bright thingies at night
if ($textureLights)
bindConstants 3 -bindingID allTextureLights -constantCount 1
endif
shaderSource
ps_1_1
def c2, 1,1,1,1
tex t0
tex t1
endShaderSource
if ($floorHighlightOn)
shaderSource
tex t2
mul r1, c1, 1-t2.a
mul_x2 r0, t0, t2.a
add r0, r0, r1
endShaderSource
else
if ($caustics)
shaderSource
tex t2
mul_x2 r0, t0, t1 ; base * lightmap * 2
mul r0, r0, c0
endShaderSource
if ($textureLights)
shaderSource "mad r0, t2, c3, r0 ; scale by the 'night color' then add in the result"
else
shaderSource "add r0, r0, t2 ; add in caustic."
endif
else
if (&normalMapping)
shaderSource
tex t2 ; normal
tex t3 ; incidence
mul r0, t0, t1 ; base * lightmap
mul r0, r0, c0
dp3_sat r1, t2_bx2, t3_bx2 ; normal map dot incidence
mul_x2 r0.rgb, r0, r1 ; combine, and complete, scale at the end to prevent precision/LDR errors
+mov r0.a, c2.a
endShaderSource
else
if ($lightMapping)
shaderSource
mul r0, t0 , t1 ; base floor * light map
mul_x2 r0.rgb, r0, c0 ; scale at the end to prevent precision/LDR errors
+mov r0.a, c2
endShaderSource
else
shaderSource "mov r0, t0"
endif
endif
endif # caustics
endif # floor highlight.
end # shaderProgram
endif
sampler 0
texture $stdMatBaseTextureName ${stdMatBaseTextureParam}
textureAddressing tile tile
end
if ($lightMapping)
sampler 1
texture "floorLightMap_${page}"
end
endif
if ($floorHighlightOn)
sampler 2
texture "floor_selection_colors"
end
else
if ($caustics)
sampler 2
texture causticsTile #TODO, make "-flipBook" switch.
textureAddressing tile tile
end
else
if (&normalMapping or $debugShowFloorIncidence or $debugShowFloorNormalMap or $debugFloorLighting)
sampler 2
texture $stdMatNormalMapTextureName
textureAddressing tile tile
end
sampler 3
texture "floorIncidenceMap_${page}"
end
endif
endif
endif
end # pass
end # shader
enddef
define PixelShaderInverseTileGridRendering()
pass
alphaTest true 50
alphaTestFunction acceptIfGreater
alphaBlend srcFactor(one) add dstFactor(srcAlpha)
depthTest true -enableDepthWrite false
shaderProgram -target vertexProgram -method assemble
bindConstants 0 -bindingID geomToClip -constantCount 4
shaderSource
vs_1_1
dcl_position v0
dcl_texcoord v1
m4x4 oPos, v0, c0
mov oT0.xy, v1
endShaderSource
end
shaderProgram -target pixelProgram -method assemble
shaderSource
ps_1_1
tex t0
mul r0.rgb, 1-t0, t0.a
+mov r0.a, t0
endShaderSource
end
sampler 0
texture $stdMatBaseTextureName ${stdMatBaseTextureParam}
end
end #pass
enddef
