etqw-sdk/base/renderprogs/interaction/basic_vertex_fallback.inc
2008-05-29 00:00:00 +00:00

78 lines
2.1 KiB
PHP

$ifndef instance
OPTION ARB_position_invariant;
$endif
TEMP bitangent;
TEMP R0, R1, R2;
$ifdef instance
TEMP _pos;
TEMP _nrm;
TEMP _tan;
DP4 _pos.x, vertex.texcoord[5], $positionAttrib;
DP4 _pos.y, vertex.texcoord[6], $positionAttrib;
DP4 _pos.z, vertex.texcoord[7], $positionAttrib;
MOV _pos.w, $positionAttrib.w;
DP3 _nrm.x, vertex.texcoord[5], $normalAttrib;
DP3 _nrm.y, vertex.texcoord[6], $normalAttrib;
DP3 _nrm.z, vertex.texcoord[7], $normalAttrib;
MOV result.texcoord[6].w, vertex.texcoord[2];
PARAM mvp[4] = { state.matrix.mvp };
OUTPUT oPos = result.position;
# Transform the vertex to clip coordinates.
DP4 oPos.x, mvp[0], _pos;
DP4 oPos.y, mvp[1], _pos;
DP4 oPos.z, mvp[2], _pos;
DP4 oPos.w, mvp[3], _pos;
$else
ATTRIB _pos = $positionAttrib;
$if !r_32ByteVtx
ATTRIB _nrm = $normalAttrib;
$else
TEMP _nrm;
MOV _nrm, $normalAttrib;
$endif
$endif
PARAM defaultTexCoord = { 0, 0.5, 0, 1 };
# calculate vector to light in R0
SUB R0, $lightOrigin, _pos;
DP3 R0.w, R0, R0;
RSQ R0.w, R0.w;
MUL R0.xyz, R0, R0.w;
DP3 result.texcoord[0].z, _nrm, R0;
# texture 2 has one texgen
MOV result.texcoord[2], defaultTexCoord;
DP4 result.texcoord[2].x, _pos, $lightFalloff_s;
# texture 3 has three texgens
DP4 result.texcoord[3].x, _pos, $lightProject_s;
DP4 result.texcoord[3].y, _pos, $lightProject_t;
DP4 result.texcoord[3].w, _pos, $lightProject_q;
# textures 4 takes the base coordinates by the texture matrix
MOV result.texcoord[4], defaultTexCoord;
DP4 result.texcoord[4].x, $texCoordAttrib, $diffuseMatrix_s;
DP4 result.texcoord[4].y, $texCoordAttrib, $diffuseMatrix_t;
# generate the vertex color, which can be 1.0, color, or 1.0 - color
# for 1.0 : env[16] = 0, env[17] = 1
# for color : env[16] = 1, env[17] = 0
# for 1.0-color : env[16] = -1, env[17] = 1
MAD result.color, $colorAttrib, $colorModulate, $colorAdd;
$if ( r_megaDrawMethod != 0 )
TEMP _F1, _F2;
SUB _F2, _pos, $viewOrigin;
DP3 _F1.x, _F2, _F2;
RSQ _F1.y, _F1.x;
MUL _F1.x, _F1.y, _F1.x;
MAD result.color.secondary, _F1.x, $fogDepths.z, $fogDepths.w;
$endif