Changeset 801 for trunk/vizservers/nanovis

Timestamp:

Sep 16, 2007 6:38:47 PM (17 years ago)

Author:

vrinside

Message:

Modified a routine for compute texture coordinate. Data decompose sequence is a little different from VolQD.

--Thi` line, and those below, will be ignored--

M zincblende_volume.cg

File:

• trunk/vizservers/nanovis/shaders/zincblende_volume.cg (modified) (2 diffs)

trunk/vizservers/nanovis/shaders/zincblende_volume.cg

@@ -32 +32 @@
   float4 twice_cell_size = cellSize * 2.0;
         
+  // volumeA : outer 
+  // volumeB : inner
+  float4 tex_coord_2 = tex_coord + float4(twice_cell_size.x, 0,                 twice_cell_size.z, 0);
+  float4 tex_coord_3 = tex_coord + float4(0,                 twice_cell_size.y, twice_cell_size.z, 0);
+  float4 tex_coord_4 = tex_coord + float4(twice_cell_size.x, twice_cell_size.z, 0); 
+
+  float4 voxel_corner = f4tex3D(volumeB, tex_coord) + f4tex3D(volumeA, tex_coord - cellSize);
+  float4 voxel_face_center_a = f4tex3D(volumeB, tex_coord_a) + f4tex3D(volumeA, tex_coord_a - cellSize);
+  float4 voxel_face_center_b = f4tex3D(volumeB, tex_coord_b) + f4tex3D(volumeA, tex_coord_b - cellSize);
+  float4 voxel_face_center_c = f4tex3D(volumeB, tex_coord_c) + f4tex3D(volumeA, tex_coord_c - cellSize);
+/*
   float4 tex_coord_a = tex_coord - float4(twice_cell_size.x, twice_cell_size.y, 0, 0);
   float4 tex_coord_b = tex_coord - float4(twice_cell_size.x, 0, twice_cell_size.z, 0);
@@ -40 +51 @@
   float4 voxel_face_center_b = f4tex3D(volumeA, tex_coord_b) + f4tex3D(volumeB, tex_coord_b - cellSize);
   float4 voxel_face_center_c = f4tex3D(volumeA, tex_coord_c) + f4tex3D(volumeB, tex_coord_c - cellSize);
+*/
         
   //combine 8 sampling results