Autodesk: DashDotLine, DashDotPatternAPI Schemas

LICENSE.txt

@@ -850,3 +850,35 @@ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGE.
+
+================================================================
+dashDotCurves.glslfx
+================================================================
+
+GPU-accelerated Antialiased Dashed Stroked Polylines
+Copyright (C) 2013 Nicolas P. Rougier. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice,
+   this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY NICOLAS P. ROUGIER ''AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+EVENT SHALL NICOLAS P. ROUGIER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+The views and conclusions contained in the software and documentation are
+those of the authors and should not be interpreted as representing official
+policies, either expressed or implied, of Nicolas P. Rougier.

extras/usd/examples/usdGeomExamples/styleCurve_NoScreenSpace_Segment.usda

@@ -0,0 +1,37 @@
+#usda 1.0
+
+(
+    upAxis = "Y"
+    doc = """This layer represents the various geometric forms that curves
+             may be used to represent."""
+)
+
+def "MyPattern" (
+    prepend apiSchemas = ["DashDotPatternAPI"]
+)
+{
+    uniform float patternPeriod = 15
+    uniform float2[] pattern = [(0, 10)]
+}
+
+def Xform "Linear" {
+    uniform token[] xformOpOrder = ["xformOp:translate"]
+    float3 xformOp:translate = (0, 9, 0)
+    def Scope "Ribbons"{
+        def DashDotLines "StyledPolyline1" (
+        inherits = [</MyPattern>]
+    ){
+            uniform token[] xformOpOrder = ["xformOp:translate"]
+            float3 xformOp:translate = (0, 0, 0)
+
+            uniform bool screenSpacePattern = false            
+            uniform token startCapType = "round"
+            uniform token endCapType = "round"
+
+            int[] curveVertexCounts = [3, 4, 4]
+            point3f[] points = [(0, 0, 0), (10, 10, 0), (10, 20, 0), (0, 30, 0), (-10, 40, 0), (-10, 50, 0), (0, 60, 0), (10, 70, 0), (10, 80, 0), (0, 90, 0), (-10, 100, 0)]
+            float[] widths = [5] (interpolation = "constant")
+            color3f[] primvars:displayColor = [(1, 0, 0)]
+        }
+    }
+}

extras/usd/examples/usdGeomExamples/styleCurve_ScreenSpace.usda

@@ -0,0 +1,165 @@
+#usda 1.0
+
+(
+    upAxis = "Y"
+    doc = """This layer represents the various geometric forms that curves
+             may be used to represent."""
+)
+
+
+def Xform "Linear" {
+    uniform token[] xformOpOrder = ["xformOp:translate"]
+    float3 xformOp:translate = (0, 9, 0)
+    def Scope "Ribbons"{
+        def DashDotLines "StyledPolyline1" (
+        inherits = [</Pattern1>]
+    ){
+            uniform token[] xformOpOrder = ["xformOp:translate"]
+            float3 xformOp:translate = (0, 0, 0)
+
+            uniform bool screenSpacePattern = true
+            uniform token startCapType = "round"
+            uniform token endCapType = "round"
+            uniform float patternScale = 5
+            int[] curveVertexCounts = [7]
+            point3f[] points = [(0, 0, 0), (10, 10, 0), (10, 20, 0), (0, 30, 0), (-10, 40, 0), (-10, 50, 0), (0, 60, 0)]
+            float[] widths = [5] (interpolation = "constant")
+            color3f[] primvars:displayColor = [(1, 0, 0)]
+        }
+        def DashDotLines "StyledPolyline2" (
+        inherits = [</Pattern1>]
+    ){
+            uniform token[] xformOpOrder = ["xformOp:translate"]
+            float3 xformOp:translate = (30, 0, 0)
+
+            uniform bool screenSpacePattern = true
+            uniform token startCapType = "square"
+            uniform token endCapType = "triangle"
+            uniform float patternScale = 7
+            int[] curveVertexCounts = [7]
+            point3f[] points = [(0, 0, 0), (10, 10, 0), (10, 20, 0), (0, 30, 0), (-10, 40, 0), (-10, 50, 0), (0, 60, 0)]
+            float[] widths = [8] (interpolation = "constant")
+            color3f[] primvars:displayColor = [(1, 0, 0)]
+        }
+        def DashDotLines "StyledPolyline3" (
+        inherits = [</Pattern1>]
+    ){
+            uniform token[] xformOpOrder = ["xformOp:translate"]
+            float3 xformOp:translate = (60, 0, 0)
+
+            uniform bool screenSpacePattern = true
+            uniform token startCapType = "round"
+            uniform token endCapType = "triangle"
+            uniform float patternScale = 10
+            int[] curveVertexCounts = [7]
+            point3f[] points = [(0, 0, 0), (10, 10, 0), (10, 20, 0), (0, 30, 0), (-10, 40, 0), (-10, 50, 0), (0, 60, 0)]
+            float[] widths = [3] (interpolation = "constant")
+            color3f[] primvars:displayColor = [(1, 0, 0)]
+        }
+        def DashDotLines "StyledPolyline4" (
+    ){
+            uniform token[] xformOpOrder = ["xformOp:translate"]
+            float3 xformOp:translate = (90, 0, 0)
+
+            uniform token startCapType = "round"
+            uniform token endCapType = "round"
+            int[] curveVertexCounts = [7]
+            point3f[] points = [(0, 0, 0), (10, 10, 0), (10, 20, 0), (0, 30, 0), (-10, 40, 0), (-10, 50, 0), (0, 60, 0)]
+            float[] widths = [8] (interpolation = "constant")
+            color3f[] primvars:displayColor = [(1, 0, 0)]
+        }
+
+        def DashDotLines "StyledPolyline5" (
+        inherits = [</Pattern1>]
+    ){
+            uniform token[] xformOpOrder = ["xformOp:translate"]
+            float3 xformOp:translate = (0, -80, 0)
+
+            uniform bool screenSpacePattern = true
+            uniform token startCapType = "round"
+            uniform token endCapType = "round"
+            uniform float patternScale = 5
+            int[] curveVertexCounts = [7]
+            point3f[] points = [(0, 0, 0), (10, 10, 0), (10, 20, 0), (0, 30, 0), (-10, 40, 0), (-10, 50, 0), (0, 60, 0)]
+            float[] widths = [5] (interpolation = "constant")
+            color3f[] primvars:displayColor = [(0, 1, 0)]
+        }
+        def DashDotLines "StyledPolyline6" (
+        inherits = [</Pattern2>]
+    ){
+            uniform token[] xformOpOrder = ["xformOp:translate"]
+            float3 xformOp:translate = (30, -80, 0)
+
+            uniform bool screenSpacePattern = true
+            uniform token startCapType = "round"
+            uniform token endCapType = "round"
+            uniform float patternScale = 5
+            int[] curveVertexCounts = [7]
+            point3f[] points = [(0, 0, 0), (10, 10, 0), (10, 20, 0), (0, 30, 0), (-10, 40, 0), (-10, 50, 0), (0, 60, 0)]
+            float[] widths = [5] (interpolation = "constant")
+            color3f[] primvars:displayColor = [(0, 1, 0)]
+        }
+        def DashDotLines "StyledPolyline7" (
+        inherits = [</Pattern3>]
+    ){
+            uniform token[] xformOpOrder = ["xformOp:translate"]
+            float3 xformOp:translate = (60, -80, 0)
+
+            uniform bool screenSpacePattern = true
+            uniform token startCapType = "round"
+            uniform token endCapType = "round"
+            uniform float patternScale = 5
+            int[] curveVertexCounts = [7]
+            point3f[] points = [(0, 0, 0), (10, 10, 0), (10, 20, 0), (0, 30, 0), (-10, 40, 0), (-10, 50, 0), (0, 60, 0)]
+            float[] widths = [5] (interpolation = "constant")
+            color3f[] primvars:displayColor = [(0, 1, 0)]
+        }
+        def DashDotLines "StyledPolyline8" (
+        inherits = [</Pattern4>]
+    ){
+            uniform token[] xformOpOrder = ["xformOp:translate"]
+            float3 xformOp:translate = (90, -80, 0)
+
+            uniform bool screenSpacePattern = true
+            uniform token startCapType = "round"
+            uniform token endCapType = "round"
+            uniform float patternScale = 5
+            int[] curveVertexCounts = [7]
+            point3f[] points = [(0, 0, 0), (10, 10, 0), (10, 20, 0), (0, 30, 0), (-10, 40, 0), (-10, 50, 0), (0, 60, 0)]
+            float[] widths = [5] (interpolation = "constant")
+            color3f[] primvars:displayColor = [(0, 1, 0)]
+        }
+    }
+}
+
+def "Pattern1" (
+    prepend apiSchemas = ["DashDotPatternAPI"]
+)
+{
+    uniform float patternPeriod = 20
+    uniform float2[] pattern = [(0, 12.5), (2.5, 2.5)]
+}
+
+def "Pattern2" (
+    prepend apiSchemas = ["DashDotPatternAPI"]
+)
+{
+    uniform float patternPeriod = 10
+    uniform float2[] pattern = [(0, 5), (2.5, 0)]
+}
+
+def "Pattern3" (
+    prepend apiSchemas = ["DashDotPatternAPI"]
+)
+{
+    uniform float patternPeriod = 15
+    uniform float2[] pattern = [(0, 10)]
+}
+
+def "Pattern4" (
+    prepend apiSchemas = ["DashDotPatternAPI"]
+)
+{
+    uniform float patternPeriod = 5
+    uniform float2[] pattern = [(0, 0)]
+}

extras/usd/examples/usdGeomExamples/styleCurve_ScreenSpace_Segment.usda

@@ -0,0 +1,39 @@
+#usda 1.0
+
+(
+    upAxis = "Y"
+    doc = """This layer represents the various geometric forms that curves
+             may be used to represent."""
+)
+
+def "MyPattern" (
+    prepend apiSchemas = ["DashDotPatternAPI"]
+)
+{
+    uniform float patternPeriod = 15
+    uniform float2[] pattern = [(0, 10)]
+}
+
+def Xform "Linear" {
+    uniform token[] xformOpOrder = ["xformOp:translate"]
+    float3 xformOp:translate = (0, 9, 0)
+    def Scope "Ribbons"{
+        def DashDotLines "StyledPolyline1" (
+        prepend inherits = [</MyPattern>]
+    ){
+            uniform token[] xformOpOrder = ["xformOp:translate"]
+            float3 xformOp:translate = (0, 0, 0)
+
+            uniform bool screenSpacePattern = true
+            uniform token startCapType = "round"
+            uniform token endCapType = "round"
+            uniform float patternScale = 5
+
+            int[] curveVertexCounts = [3, 4, 4]
+            point3f[] points = [(0, 0, 0), (10, 10, 0), (10, 20, 0), (0, 30, 0), (-10, 40, 0), (-10, 50, 0), (0, 60, 0), (10, 70, 0), (10, 80, 0), (0, 90, 0), (-10, 100, 0)]
+            float[] widths = [5] (interpolation = "constant")
+            color3f[] primvars:displayColor = [(1, 0, 0)]
+        }
+    }
+}
+

extras/usd/examples/usdGeomExamples/styleCurve_ScreenSpace_Segment_VertexColor.usda

@@ -0,0 +1,38 @@
+#usda 1.0
+
+(
+    upAxis = "Y"
+    doc = """This layer represents the various geometric forms that curves
+             may be used to represent."""
+)
+
+def "MyPattern" (
+    prepend apiSchemas = ["DashDotPatternAPI"]
+)
+{
+    uniform float patternPeriod = 15
+    uniform float2[] pattern = [(0, 10)]
+}
+
+def Xform "Linear" {
+    uniform token[] xformOpOrder = ["xformOp:translate"]
+    float3 xformOp:translate = (0, 9, 0)
+    def Scope "Ribbons"{
+        def DashDotLines "StyledPolyline1" (
+        inherits = [</MyPattern>]
+    ){
+            uniform token[] xformOpOrder = ["xformOp:translate"]
+            float3 xformOp:translate = (0, 0, 0)
+
+            uniform bool screenSpacePattern = true
+            uniform token startCapType = "round"
+            uniform token endCapType = "round"
+            uniform float patternScale = 5
+
+            int[] curveVertexCounts = [3, 4, 4]
+            point3f[] points = [(0, 0, 0), (10, 10, 0), (10, 20, 0), (0, 30, 0), (-10, 40, 0), (-10, 50, 0), (0, 60, 0), (10, 70, 0), (10, 80, 0), (0, 90, 0), (-10, 100, 0)]
+            float[] widths = [5] (interpolation = "constant")
+            color3f[] primvars:displayColor = [(1, 0, 0), (1, 0, 0), (0, 0, 1), (1, 1, 0), (1, 0 ,1), (0, 1, 1), (0, 1, 0), (0, 0, 1), (1, 1, 0), (1, 0 ,1), (0, 1, 1)](interpolation = "vertex")
+        }
+    }
+}

pxr/imaging/hd/basisCurves.cpp

@@ -19,6 +19,7 @@ TF_DEFINE_ENV_SETTING(HD_ENABLE_REFINED_CURVES, 0,
 
 HdBasisCurves::HdBasisCurves(SdfPath const& id)
     : HdRprim(id)
+    , _wvpMatrix(1)
 {
     /*NOTHING*/
 }
@@ -32,7 +33,18 @@ HdBasisCurves::GetBuiltinPrimvarNames() const
     static const TfTokenVector primvarNames = {
         HdTokens->points,
         HdTokens->normals,
-        HdTokens->widths
+        HdTokens->widths,
+        HdTokens->accumulatedLength,
+        HdTokens->adjPoints1,
+        HdTokens->adjPoints2,
+        HdTokens->adjPoints3,
+        HdTokens->extrude,
+        HdTokens->pattern,
+        HdTokens->patternPartCount,
+        HdTokens->patternPeriod,
+        HdTokens->patternScale,
+        HdTokens->startCapType,
+        HdTokens->endCapType
     };
     return primvarNames;
 }

pxr/imaging/hd/basisCurves.h

@@ -53,6 +53,13 @@ class HdBasisCurves : public HdRprim
 public:
     HD_API
     ~HdBasisCurves() override;
+
+    enum DirtyBits : HdDirtyBits {
+        DirtyIndices = HdChangeTracker::CustomBitsBegin,
+        // Need to update the accumulated length when camera is dirty and the curve has screen space
+        // Style.
+        DirtyCamera = (DirtyIndices << 1)
+    };
 
     ///
     /// Topology
@@ -71,7 +78,23 @@ class HdBasisCurves : public HdRprim
     /// Returns whether refinement is always on or not.
     HD_API
     static bool IsEnabledForceRefinedCurves();
-
+
+    /// Set the WVP matrix.
+    void UpdateWVPMatrix(const GfMatrix4d& wvpMatrix)
+    {
+        _wvpMatrix = wvpMatrix;
+    }
+
+    /// Set the Viewport
+    void UpdateViewport(const GfVec4f& viewport)
+    {
+        _viewport = viewport;
+    }
+
+    /// Check if the curve need to be updated each frame.
+    HD_API
+    virtual bool NeedUpdateEachFrame(HdSceneDelegate* /*sceneDelegate*/) const { return false; }
+
 protected:
     HD_API
     HdBasisCurves(SdfPath const& id);
@@ -82,6 +105,8 @@ class HdBasisCurves : public HdRprim
     static _BasisCurvesReprConfig::DescArray
         _GetReprDesc(TfToken const &reprName);
 
+    GfMatrix4d _wvpMatrix;
+    GfVec4f _viewport;
 private:
     // Class can not be default constructed or copied.
     HdBasisCurves()                                  = delete;