SL-17600 WIP -- Proper radiance maps (not just mipped cubemaps).

2 files changed, 52 insertions, 1 deletions

diff --git a/indra/llrender/llcubemaparray.cpp b/indra/llrender/llcubemaparray.cpp
index e4081c1154..438d92cdba 100644
--- a/indra/llrender/llcubemaparray.cpp
+++ b/indra/llrender/llcubemaparray.cpp
@@ -53,6 +53,50 @@ GLenum LLCubeMapArray::sTargets[6] =
     GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
 };
 
+LLVector3 LLCubeMapArray::sLookVecs[6] =
+{
+        LLVector3(1, 0, 0),
+        LLVector3(-1, 0, 0),
+        LLVector3(0, 1, 0),
+        LLVector3(0, -1, 0),
+        LLVector3(0, 0, 1),
+        LLVector3(0, 0, -1)
+};
+
+LLVector3 LLCubeMapArray::sUpVecs[6] = 
+{
+    LLVector3(0, -1, 0),
+    LLVector3(0, -1, 0),
+    LLVector3(0, 0, 1),
+    LLVector3(0, 0, -1),
+    LLVector3(0, -1, 0),
+    LLVector3(0, -1, 0)
+};
+
+LLVector3 LLCubeMapArray::sClipToCubeLookVecs[6] =
+{
+        LLVector3(0, 0, -1), //GOOD
+        LLVector3(0, 0, 1), //GOOD
+        
+        LLVector3(1, 0, 0), // GOOD
+        LLVector3(1, 0, 0), // GOOD
+
+        LLVector3(1, 0, 0),
+        LLVector3(-1, 0, 0),
+};
+
+LLVector3 LLCubeMapArray::sClipToCubeUpVecs[6] =
+{
+    LLVector3(-1, 0, 0), //GOOD
+    LLVector3(1, 0, 0), //GOOD
+
+    LLVector3(0, 1, 0), // GOOD
+    LLVector3(0, -1, 0), // GOOD
+
+    LLVector3(0, 0, -1),
+    LLVector3(0, 0, 1)
+};
+
 LLCubeMapArray::LLCubeMapArray()
 	: mTextureStage(0)
 {
diff --git a/indra/llrender/llcubemaparray.h b/indra/llrender/llcubemaparray.h
index 52e21f1dda..cbc0692afb 100644
--- a/indra/llrender/llcubemaparray.h
+++ b/indra/llrender/llcubemaparray.h
@@ -32,13 +32,20 @@
 
 class LLVector3;
 
-// Environment map hack!
 class LLCubeMapArray : public LLRefCount
 {
 public:
 	LLCubeMapArray();
 
     static GLenum sTargets[6];
+    
+    // look and up vectors for each cube face (agent space)
+    static LLVector3 sLookVecs[6];
+    static LLVector3 sUpVecs[6];
+
+    // look and up vectors for each cube face (clip space)
+    static LLVector3 sClipToCubeLookVecs[6];
+    static LLVector3 sClipToCubeUpVecs[6];
 
     // allocate a cube map array 
     // res - resolution of each cube face