ARB versions of vertex programs.

shaders/bumpdiffuse_arb.vp

@@ -0,0 +1,50 @@
+!!ARBvp1.0
+
+# Compute the surface space light vectors for diffuse bump mapping
+
+ATTRIB iPos          = vertex.position;
+ATTRIB iNormal       = vertex.normal;
+ATTRIB iTangent      = vertex.attrib[6];
+ATTRIB iTex0         = vertex.texcoord[0];
+ATTRIB iTex1         = vertex.texcoord[1];
+PARAM  mvp[4]        = { state.matrix.mvp };
+PARAM  lightDir      = program.env[0];
+PARAM  half          = 0.5;
+OUTPUT oPos          = result.position;
+OUTPUT oColor        = result.color;
+OUTPUT oTex0         = result.texcoord[0];
+OUTPUT oTex1         = result.texcoord[1];
+
+TEMP   binormal;
+TEMP   t;
+TEMP   light_surf;
+
+# Transform the vertex by the modelview matrix
+DP4   oPos.x, mvp[0], iPos;
+DP4   oPos.y, mvp[1], iPos;
+DP4   oPos.z, mvp[2], iPos;
+DP4   oPos.w, mvp[3], iPos;
+
+# Compute the binormal--cross product of tangent and normal
+MOV   t, iTangent;
+MUL   binormal, t.zxyw, iNormal.yzxw;
+MAD   binormal, t.yzxw, iNormal.zxyw, -binormal;
+
+DP3   binormal.w, binormal, binormal;
+RSQ   binormal.w, binormal.w;
+MUL   binormal.xyz, binormal, binormal.w;
+
+# Transform the light direction from object space into surface space
+DP3   light_surf.x, binormal, lightDir;
+DP3   light_surf.y, iTangent, lightDir;
+DP3   light_surf.z, iNormal, lightDir;
+
+# Compress the light direction to fit in the primary color and output it
+MAD   oColor, light_surf, half, half;
+
+# Output the texture
+MOV   oTex0, iTex0;
+MOV   oTex1, iTex1;
+
+END
+

shaders/diffuse_texoff_arb.vp

@@ -0,0 +1,38 @@
+!!ARBvp1.0
+
+# Compute the diffuse light from a single source and apply a texture
+# translation.
+
+ATTRIB iPos          = vertex.position;
+ATTRIB iNormal       = vertex.normal;
+ATTRIB iTex0         = vertex.texcoord[0];
+PARAM  mvp[4]        = { state.matrix.mvp };
+PARAM  lightDir      = program.env[0];
+PARAM  diffuse       = program.env[2];
+PARAM  texOffset     = program.env[7];
+PARAM  ambient       = state.lightmodel.ambient;
+PARAM  zeroVec       = { 0, 0, 0, 0 };
+OUTPUT oPos          = result.position;
+OUTPUT oColor        = result.color;
+OUTPUT oTex0         = result.texcoord[0];
+
+TEMP   diffuseFactor;
+
+# Transform the vertex by the modelview matrix
+DP4   oPos.x, mvp[0], iPos;
+DP4   oPos.y, mvp[1], iPos;
+DP4   oPos.z, mvp[2], iPos;
+DP4   oPos.w, mvp[3], iPos;
+
+# Compute the diffuse light component
+DP3   diffuseFactor, iNormal, lightDir;
+# Clamp the diffuse component to zero
+MAX   diffuseFactor, diffuseFactor, zeroVec;
+
+# Output the texture
+ADD   oTex0, iTex0, texOffset;
+# Output the primary color
+MAD   oColor, diffuse, diffuseFactor, ambient;
+
+END
+