Merge pull request #9 from jcfr/osmesa-build-update

Build osmesa properly

CMakeLists.txt

@@ -51,6 +51,8 @@ if(VTKPythonPackage_SUPERBUILD)
   # re-using existing resources.
   #
   #  VTK_SOURCE_DIR: Path to an existing source directory
+  #  VTK_Group_Web: Whether web package should be included
+  #  VTK_OPENGL_HAS_OSMESA: Whether to use OSMesa for offscreen rendering
   #
 
   option(VTKPythonPackage_BUILD_PYTHON "Build VTK python module" ON)
@@ -59,6 +61,13 @@ if(VTKPythonPackage_SUPERBUILD)
   option(VTK_Group_Web "Build VTK web module" OFF)
   mark_as_advanced(VTK_Group_Web)
 
+  option(VTK_OPENGL_HAS_OSMESA "Use OSMesa for offscreen rendering" OFF)
+  mark_as_advanced(VTK_OPENGL_HAS_OSMESA)
+  if(VTK_OPENGL_HAS_OSMESA)
+    set(NOT_VTK_OPENGL_HAS_OSMESA OFF)
+  else()
+    set(NOT_VTK_OPENGL_HAS_OSMESA ON)
+  endif()
 
   #-----------------------------------------------------------------------------
   include(ExternalProject)
@@ -203,6 +212,8 @@ if(VTKPythonPackage_SUPERBUILD)
       # Rendering options
       -DVTK_Group_Qt:BOOL=OFF  # XXX Enabled this later
       -DVTK_RENDERING_BACKEND:STRING=OpenGL2
+      -DVTK_OPENGL_HAS_OSMESA:BOOL=${VTK_OPENGL_HAS_OSMESA}
+      -DVTK_USE_X:BOOL=${NOT_VTK_OPENGL_HAS_OSMESA}
 
       # Module options
       -DVTK_Group_Web:BOOL=${VTK_Group_Web}

Dockerfile

@@ -1,11 +1,46 @@
 FROM python:3.6
 MAINTAINER Zach Mullen <zach.mullen@kitware.com>
 
-RUN apt-get update && apt-get install -y libglapi-mesa libosmesa6 freeglut3-dev && \
-    pip install cmake ninja scikit-build
+RUN pip install cmake ninja scikit-build
 
+# Download llvm
+RUN wget http://releases.llvm.org/3.9.1/llvm-3.9.1.src.tar.xz && \
+    tar xf llvm-3.9.1.src.tar.xz && rm llvm-3.9.1.src.tar.xz
+
+# Build llvm
+RUN cd /llvm-3.9.1.src && mkdir _build && cd _build && \
+    cmake \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DLLVM_BUILD_LLVM_DYLIB=ON \
+    -DLLVM_ENABLE_RTTI=ON \
+    -DLLVM_INSTALL_UTILS=ON \
+    -DLLVM_TARGETS_TO_BUILD:STRING=X86 \
+    .. && make -j4 && make install
+
+# Download osmesa
+RUN wget https://mesa.freedesktop.org/archive/mesa-17.2.4.tar.xz && \
+    tar xf mesa-17.2.4.tar.xz && rm mesa-17.2.4.tar.xz
+
+# Build osmesa
+RUN cd /mesa-17.2.4 && ./configure \
+    --disable-xvmc \
+    --disable-glx \
+    --disable-dri \
+    --disable-gbm \
+    --with-dri-drivers= \
+    --with-gallium-drivers=swrast \
+    --enable-texture-float \
+    --disable-egl \
+    --with-platforms= \
+    --enable-gallium-osmesa \
+    --enable-llvm && \
+    make -j4 && make install
+
+# Build VTK with python
 COPY . /VTKPythonPackage
 
-RUN cd VTKPythonPackage && \
-    VTK_CMAKE_ARGS="-DVTK_Group_Web:BOOL=ON" python setup.py bdist_wheel
-RUN pip install /VTKPythonPackage/dist/vtk-*.whl
+RUN cd /VTKPythonPackage && \
+    VTK_CMAKE_ARGS="-DVTK_OPENGL_HAS_OSMESA:BOOL=ON -DVTK_Group_Web:BOOL=ON" python setup.py bdist_wheel
+RUN pip install /VTKPythonPackage/dist/vtk-*.whl && \
+    ldconfig && \
+    rm -rf /VTKPythonPackage && rm -rf /mesa-17.2.4 && rm -rf /llvm-3.9.1.src

setup.py

@@ -27,9 +27,18 @@
     py_modules=[
         'vtkVersion',
     ],
-    download_url=r'http://www.vtk.org/download/',
-    description=r'VTK is an open-source toolkit for 3D computer graphics, image processing, and visualization',
-    long_description='VTK is an open-source, cross-platform library that provides developers with an extensive suite of software tools for 3D computer graphics, image processing, and visualization. It consists of a C++ class library and several interpreted interface layers including Tcl/Tk, Java, and Python. VTK supports a wide variety of visualization algorithms including scalar, vector, tensor, texture, and volumetric methods, as well as advanced modeling techniques such as implicit modeling, polygon reduction, mesh smoothing, cutting, contouring, and Delaunay triangulation. VTK has an extensive information visualization framework and a suite of 3D interaction widgets. The toolkit supports parallel processing and integrates with various databases on GUI toolkits such as Qt and Tk.',
+    download_url='http://www.vtk.org/download/',
+    description='VTK is an open-source toolkit for 3D computer graphics, image processing, and visualization',
+    long_description='VTK is an open-source, cross-platform library that provides developers with '
+                     'an extensive suite of software tools for 3D computer graphics, image processing,'
+                     'and visualization. It consists of a C++ class library and several interpreted interface '
+                     'layers including Tcl/Tk, Java, and Python. VTK supports a wide variety of visualization '
+                     'algorithms including scalar, vector, tensor, texture, and volumetric methods, as well as '
+                     'advanced modeling techniques such as implicit modeling, polygon reduction, mesh '
+                     'smoothing, cutting, contouring, and Delaunay triangulation. VTK has an extensive '
+                     'information visualization framework and a suite of 3D interaction widgets. The toolkit '
+                     'supports parallel processing and integrates with various databases on GUI toolkits such '
+                     'as Qt and Tk.',
     classifiers=[
         "License :: OSI Approved :: BSD License",
         "Programming Language :: Python",