Changeset 2959 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/SkyPreetham.cpp

Timestamp:

09/19/08 23:13:47 (16 years ago)

Author:

mattausch

Message:

preetham working but big hack

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/SkyPreetham.cpp (modified) (5 diffs)

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/SkyPreetham.cpp

@@ -13 +13 @@
 
 static CGprogram sCgSkyProgram = NULL;
+static CGprogram sCgMrtFragmentSkyDomeProgram = NULL;
+
+
 static CGparameter sLightDirParam;
 static CGparameter sThetaSunParam;
@@ -60 +63 @@
         else
                 cerr << "sky program failed to load" << endl;
+
+        sCgMrtFragmentSkyDomeProgram = 
+                cgCreateProgramFromFile(context, 
+                                                                CG_SOURCE,
+                                                                "src/shaders/sky_preetham.cg", 
+                                                                RenderState::sCgFragmentProfile,
+                                                                "frag_skydome",
+                                                                NULL);
+
+        if (sCgMrtFragmentSkyDomeProgram != NULL)
+        {
+                cgGLLoadProgram(sCgMrtFragmentSkyDomeProgram);
+
+                /*sMaxDepthParam = cgGetNamedParameter(RenderState::sCgMrtFragmentProgram, "maxDepth");
+                Material::sDiffuseParam = cgGetNamedParameter(RenderState::sCgMrtFragmentProgram, "diffuse");
+                Material::sAmbientParam = cgGetNamedParameter(RenderState::sCgMrtFragmentProgram, "ambient");
+
+                cgGLSetParameter1f(sMaxDepthParam, MAX_DEPTH_CONST / farDist);
+                */
+        }
+        else
+                cerr << "fragment skyprogram failed to load" << endl;
 }
 
@@ -127 +152 @@
         Vector3 position = camera->GetPosition();
 
-        const float scaleFactor = 100.0f;
-
-        position.z -= 10 * scaleFactor;
+        const float scaleFactor = 80.0f;
+
+        position.z -= 3 * scaleFactor;
         Matrix4x4 m = TranslationMatrix(position);
 
@@ -147 +172 @@
         cgGLEnableProfile(RenderState::sCgVertexProfile);
         cgGLBindProgram(sCgSkyProgram);
-        
-        
+
+        
+        if (state->GetRenderPassType() == RenderState::DEFERRED)
+        {
+                cgGLEnableProfile(RenderState::sCgFragmentProfile);
+                cgGLBindProgram(sCgMrtFragmentSkyDomeProgram);
+        }       
 
         // Render sky dome.
@@ -155 +185 @@
         // Render additively blended sun disc.
         //RenderSunDisk(sunDir, camera);
+
+        cgGLDisableProfile(RenderState::sCgFragmentProfile);
 }