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Cycles microdisplacement: Support for Catmull-Clark subdivision via OpenSubdiv

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Enables Catmull-Clark subdivision meshes with support for creases and attribute
subdivision. Still waiting on OpenSubdiv to fully support face varying
interpolation for subdividing uv coordinates tho. Also there may be some
inconsistencies with Blender's subdivision which will be resolved at a
later time.

Code for reading patch tables and creating patch maps is borrowed
from OpenSubdiv.

Reviewed By: brecht

Differential Revision: https://developer.blender.org/D2111
This commit is contained in:
Mai Lavelle
2016-07-16 22:57:06 -04:00
parent fc9747fa89
commit 0b68c68006
21 changed files with 1436 additions and 126 deletions
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6
CMakeLists.txt
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@@ -397,6 +397,7 @@ option(WITH_CYCLES "Enable Cycles Render Engine" ON)
option(WITH_CYCLES_STANDALONE "Build Cycles standalone application" OFF)
option(WITH_CYCLES_STANDALONE_GUI "Build Cycles standalone with GUI" OFF)
option(WITH_CYCLES_OSL "Build Cycles with OSL support" ${_init_CYCLES_OSL})
option(WITH_CYCLES_OPENSUBDIV "Build Cycles with OpenSubdiv support" ON)
option(WITH_CYCLES_CUDA_BINARIES "Build Cycles CUDA binaries" OFF)
set(CYCLES_CUDA_BINARIES_ARCH sm_20 sm_21 sm_30 sm_35 sm_37 sm_50 sm_52 CACHE STRING "CUDA architectures to build binaries for")
mark_as_advanced(CYCLES_CUDA_BINARIES_ARCH)
@@ -2520,6 +2521,11 @@ if(WITH_CYCLES)
)
endif()
endif()
if(WITH_CYCLES_OPENSUBDIV AND NOT WITH_OPENSUBDIV)
message(STATUS "WITH_CYCLES_OPENSUBDIV requires WITH_OPENSUBDIV to be ON, turning OFF")
set(WITH_CYCLES_OPENSUBDIV OFF)
endif()
endif()
if(WITH_INTERNATIONAL)