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!!ARBvp1.0
# Vertex Program for lit, skinned avatars
# Parameters
PARAM mat[45] = { program.env[0..44] };
PARAM proj[4] = { state.matrix.projection };
PARAM materialDiffuse = state.material.diffuse;
# Per vertex inputs
ATTRIB iPos = vertex.position;
ATTRIB iTex0 = vertex.texcoord[0];
ATTRIB iWeight = vertex.attrib[1];
# Temporaries
TEMP blendMat;
TEMP blendPos; # skinned vertex pos
TEMP childPos;
TEMP parentPos;
TEMP dots; # dot product for lighting calculations
TEMP scaledWeight;
ALIAS divisor = blendMat; # divisor for normalization process
ADDRESS address;
# Outputs
OUTPUT oPos = result.position; #position
OUTPUT oCol0 = result.color; #primary color
OUTPUT oTex0 = result.texcoord[0]; #texture coordinate set 0
#fix input blending weight
ARL address.x, iWeight.x;
FRC scaledWeight.x, iWeight;
#Output position and normal
DP4 parentPos.x, mat[address.x + 0], iPos;
DP4 parentPos.y, mat[address.x + 15], iPos;
DP4 parentPos.z, mat[address.x + 30], iPos;
DP4 childPos.x, mat[address.x + 1], iPos;
DP4 childPos.y, mat[address.x + 16], iPos;
DP4 childPos.z, mat[address.x + 31], iPos;
SUB blendPos, childPos, parentPos;
MAD blendPos, scaledWeight.x, blendPos, parentPos;
MOV blendPos.w, {0, 0, 0, 1};
#Projection
DP4 oPos.x, proj[0], blendPos;
DP4 oPos.y, proj[1], blendPos;
DP4 oPos.z, proj[2], blendPos;
DP4 oPos.w, proj[3], blendPos;
#Output color
MOV oCol0, materialDiffuse;
#Output tex coordinate
MOV oTex0, iTex0;
END
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