Rebase artifacts + cleaned up the remaining unnecessary exposures of stereo awareness.

apps/openmw/mwrender/skyutil.cpp

@@ -21,6 +21,7 @@
 #include <osgParticle/Particle>
 
 #include <components/misc/rng.hpp>
+#include <components/stereo/stereomanager.hpp>
 
 #include <components/resource/scenemanager.hpp>
 #include <components/resource/imagemanager.hpp>
@@ -602,6 +603,38 @@ namespace MWRender
         }
     }
 
+
+    class SkyMultiviewStatesetUpdater: public SceneUtil::StateSetUpdater
+    {
+    public:
+        SkyMultiviewStatesetUpdater()
+        {
+        }
+
+    protected:
+        virtual void setDefaults(osg::StateSet* stateset)
+        {
+            stateset->addUniform(new osg::Uniform(osg::Uniform::FLOAT_MAT4, "viewMatrixMultiView", 2), osg::StateAttribute::OVERRIDE);
+        }
+
+        virtual void apply(osg::StateSet* stateset, osg::NodeVisitor* /*nv*/)
+        {
+            auto* viewMatrixMultiViewUniform = stateset->getUniform("viewMatrixMultiView");
+            auto& sm = Stereo::Manager::instance();
+
+            for (int view : {0, 1})
+            {
+                auto viewOffsetMatrix = sm.computeEyeViewOffset(view);
+                for (int col : {0, 1, 2})
+                    viewOffsetMatrix(3, col) = 0;
+
+                viewMatrixMultiViewUniform->setElement(view, viewOffsetMatrix);
+            }
+        }
+
+    private:
+    };
+
     CameraRelativeTransform::CameraRelativeTransform()
     {
         // Culling works in node-local space, not in camera space, so we can't cull this node correctly
@@ -610,6 +643,7 @@ namespace MWRender
         setCullingActive(false);
 
         addCullCallback(new CameraRelativeTransformCullCallback);
+        addCullCallback(new SkyMultiviewStatesetUpdater);
     }
 
     CameraRelativeTransform::CameraRelativeTransform(const CameraRelativeTransform& copy, const osg::CopyOp& copyop)

components/stereo/stereomanager.cpp

@@ -406,6 +406,11 @@ namespace Stereo
         return mViewMatrix[view];
     }
 
+    osg::Matrixd Manager::computeEyeViewOffset(int view) const
+    {
+        return mViewOffsetMatrix[view];
+    }
+
     Eye Manager::getEye(const osgUtil::CullVisitor* cv) const
     {
         if (cv->getIdentifier() == mIdentifierMain)

components/stereo/stereomanager.hpp

@@ -70,6 +70,7 @@ namespace Stereo
 
         osg::Matrixd computeEyeProjection(int view, bool reverseZ) const;
         osg::Matrixd computeEyeView(int view) const;
+        osg::Matrixd computeEyeViewOffset(int view) const;
 
         //! Sets up any definitions necessary for stereo rendering
         void shaderStereoDefines(Shader::ShaderManager::DefineMap& defines) const;

files/shaders/groundcover_vertex.glsl

@@ -1,7 +1,5 @@
 #version 120
 
-#include "openmw_vertex.h.glsl"
-
 #if @useUBO
     #extension GL_ARB_uniform_buffer_object : require
 #endif
@@ -146,7 +144,7 @@ void main(void)
     if (length(gl_ModelViewMatrix * vec4(position, 1.0)) > @groundcoverFadeEnd)
         gl_Position = vec4(0.0, 0.0, 0.0, 1.0);
     else
-        gl_Position = mw_viewToClip(mw_viewStereoAdjust(viewPos));
+        gl_Position = mw_viewToClip(viewPos);
 
     linearDepth = getLinearDepth(gl_Position.z, viewPos.z);
 

files/shaders/nv_default_vertex.glsl

@@ -1,7 +1,5 @@
 #version 120
 
-#include "openmw_vertex.h.glsl"
-
 #if @useUBO
     #extension GL_ARB_uniform_buffer_object : require
 #endif

files/shaders/objects_vertex.glsl

@@ -1,7 +1,5 @@
 #version 120
 
-#include "openmw_vertex.h.glsl"
-
 #if @useUBO
     #extension GL_ARB_uniform_buffer_object : require
 #endif

files/shaders/openmw_vertex.glsl

@@ -23,13 +23,3 @@ vec4 mw_viewStereoAdjust(vec4 pos)
 {
     return pos;
 }
-
-mat4 mw_viewMatrix()
-{
-    return gl_ModelViewMatrix;
-}
-
-mat4 mw_projectionMatrix()
-{
-    return projectionMatrix;
-}

files/shaders/openmw_vertex.h.glsl

@@ -5,5 +5,3 @@ vec4 mw_modelToClip(vec4 pos);
 vec4 mw_modelToView(vec4 pos);
 vec4 mw_viewToClip(vec4 pos);
 vec4 mw_viewStereoAdjust(vec4 pos);
-mat4 mw_viewMatrix();
-mat4 mw_projectionMatrix();

files/shaders/openmw_vertex_multiview.glsl

@@ -22,20 +22,10 @@ vec4 mw_modelToView(vec4 pos)
 
 vec4 mw_viewToClip(vec4 pos)
 {
-    return projectionMatrixMultiView[gl_ViewID_OVR] * pos;
+    return projectionMatrixMultiView[gl_ViewID_OVR] * viewMatrixMultiView[gl_ViewID_OVR] * pos;
 }
 
 vec4 mw_viewStereoAdjust(vec4 pos)
 {
     return viewMatrixMultiView[gl_ViewID_OVR] * pos;
 }
-
-mat4 mw_viewMatrix()
-{
-    return viewMatrixMultiView[gl_ViewID_OVR] * gl_ModelViewMatrix;
-}
-
-mat4 mw_projectionMatrix()
-{
-    return projectionMatrixMultiView[gl_ViewID_OVR];
-}

files/shaders/sky_vertex.glsl

@@ -2,8 +2,6 @@
 
 #include "openmw_vertex.h.glsl"
 
-#include "openmw_vertex.h.glsl"
-
 #include "skypasses.glsl"
 
 uniform int pass;
@@ -11,23 +9,9 @@ uniform int pass;
 varying vec4 passColor;
 varying vec2 diffuseMapUV;
 
-mat4 selectModelViewMatrix()
-{
-#if @useOVR_multiview
-    mat4 viewOffsetMatrix = mw_viewMatrix();
-    // Sky geometries aren't actually all that distant. So delete view translation to keep them looking distant.
-    viewOffsetMatrix[3][0] = 0;
-    viewOffsetMatrix[3][1] = 0;
-    viewOffsetMatrix[3][2] = 0;
-    return viewOffsetMatrix;
-#else
-    return gl_ModelViewMatrix;
-#endif
-}
-
 void main()
 {
-    gl_Position = mw_viewToClip(selectModelViewMatrix() * gl_Vertex);
+    gl_Position = mw_modelToClip(gl_Vertex);
     passColor = gl_Color;
 
     if (pass == PASS_CLOUDS)

files/shaders/terrain_vertex.glsl

@@ -1,7 +1,5 @@
 #version 120
 
-#include "openmw_vertex.h.glsl"
-
 #if @useUBO
     #extension GL_ARB_uniform_buffer_object : require
 #endif

files/shaders/water_fragment.glsl

@@ -1,7 +1,5 @@
 #version 120
 
-#include "openmw_fragment.h.glsl"
-
 #if @useUBO
     #extension GL_ARB_uniform_buffer_object : require
 #endif