Introduced class interfaces for FixedFunctionTechnique and ShaderTechnique volume rendering techniques.

2009-01-13 17:20:32 +00:00
parent 7bcdaa74bf
commit f260737cd8
19 changed files with 1289 additions and 11 deletions
--- a/src/osgVolume/Shaders/volume_vert.cpp
+++ b/src/osgVolume/Shaders/volume_vert.cpp
@@ -0,0 +1,17 @@
+char volume_vert[] = "#version 110\n"
+                     "varying vec4 cameraPos;\n"
+                     "varying vec4 vertexPos;\n"
+                     "varying mat4 texgen;\n"
+                     "\n"
+                     "void main(void)\n"
+                     "{\n"
+                     "        gl_Position = ftransform();\n"
+                     "\n"
+                     "        cameraPos = gl_ModelViewMatrixInverse*vec4(0,0,0,1);\n"
+                     "        vertexPos = gl_Vertex;\n"
+                     "\n"
+                     "        texgen = mat4(gl_ObjectPlaneS[0], \n"
+                     "                      gl_ObjectPlaneT[0],\n"
+                     "                      gl_ObjectPlaneR[0],\n"
+                     "                      gl_ObjectPlaneQ[0]);\n"
+                     "}\n";