rtc_boids and other profiling changes

CMakeLists.txt

@@ -44,12 +44,14 @@ option(BUILD_FLAMEGPU2 "Enable building FLAMEGPU2 library" ON)
 option(BUILD_ALL_EXAMPLES "Enable building examples" ON)
 
 # Options to enable building individual examples, if BUILD_ALL_EXAMPLES is off.
-option(BUILD_EXAMPLE_BOIDS_BRUTE_FORCE "Enable building examples/boids_brute_force" OFF)
-option(BUILD_EXAMPLE_CIRCLES_BRUTE_FORCE "Enable building examples/circles_brute_force" OFF)
-option(BUILD_EXAMPLE_CIRCLES_SPATIAL_3D "Enable building examples/circles_spatial_3d" OFF)
+option(BUILD_EXAMPLE_BOIDS_BRUTEFORCE "Enable building examples/boids_bruteforce" OFF)
+option(BUILD_EXAMPLE_BOIDS_SPATIAL3D "Enable building examples/boids_spatial3D" OFF)
+option(BUILD_EXAMPLE_BOIDS_RTC_BRUTEFORCE "Enable building examples/boids_rtc_bruteforce" OFF)
+option(BUILD_EXAMPLE_BOIDS_RTC_SPATIAL3D "Enable building examples/boids_rtc_spatial3D" OFF)
+option(BUILD_EXAMPLE_CIRCLES_BRUTEFORCE "Enable building examples/circles_bruteforcespatial3D" OFF)
+option(BUILD_EXAMPLE_CIRCLES_SPATIAL3D "Enable building examples/circles_spatial3D" OFF)
 option(BUILD_EXAMPLE_GAME_OF_LIFE "Enable building examples/game_of_life" OFF)
 option(BUILD_EXAMPLE_HOST_FUNCTIONS "Enable building examples/host_functions" OFF)
-option(BUILD_EXAMPLE_RTC_EXAMPLE "Enable building examples/rtc_example" OFF)
 option(BUILD_SWIG_PYTHON "Enable python bindings via SWIG" OFF)
 cmake_dependent_option(BUILD_SWIG_PYTHON_VIRTUALENV "Enable building of SWIG Python Virtual Env for Python Testing" OFF
                        "BUILD_SWIG_PYTHON" OFF)
@@ -63,6 +65,8 @@ option(BUILD_TESTS "Enable building tests" OFF)
 
 # Option to enable/disable NVTX markers for improved profiling
 option(USE_NVTX "Build with NVTX markers enabled" OFF)
+# Option to enable/disable logging of dynamic RTC files to disk
+option(EXPORT_RTC_SOURCES "Export RTC source files to disk at runtime" OFF)
 
 # Control target CUDA_ARCH to compile for
 SET(CUDA_ARCH "${CUDA_ARCH}" CACHE STRING "List of CUDA Architectures to target. E.g. 61;70" FORCE)
@@ -102,28 +106,31 @@ endif()
 
 # Add each example
 
-
-if(BUILD_ALL_EXAMPLES OR BUILD_EXAMPLE_RTC_EXAMPLE)
-    add_subdirectory(examples/rtc_example)
-endif()
-
 if(BUILD_ALL_EXAMPLES OR BUILD_EXAMPLE_HOST_FUNCTIONS)
     add_subdirectory(examples/host_functions)
 endif()
 
-
-if(BUILD_ALL_EXAMPLES OR BUILD_EXAMPLE_BOIDS_BRUTE_FORCE)
+if(BUILD_ALL_EXAMPLES OR BUILD_EXAMPLE_BOIDS_BRUTEFORCE)
     add_subdirectory(examples/boids_bruteforce)
 endif()
-if(BUILD_ALL_EXAMPLES OR BUILD_EXAMPLE_BOIDS_SPATIAL_3D)
+
+if(BUILD_ALL_EXAMPLES OR BUILD_EXAMPLE_BOIDS_SPATIAL3D)
     add_subdirectory(examples/boids_spatial3D)
 endif()
 
-if(BUILD_ALL_EXAMPLES OR BUILD_EXAMPLE_CIRCLES_BRUTE_FORCE)
+if(BUILD_ALL_EXAMPLES OR BUILD_EXAMPLE_BOIDS_RTC_BRUTEFORCE)
+    add_subdirectory(examples/boids_rtc_bruteforce)
+endif()
+
+if(BUILD_ALL_EXAMPLES OR BUILD_EXAMPLE_BOIDS_RTC_SPATIAL3D)
+    add_subdirectory(examples/boids_rtc_spatial3D)
+endif()
+
+if(BUILD_ALL_EXAMPLES OR BUILD_EXAMPLE_CIRCLES_BRUTEFORCE)
     add_subdirectory(examples/circles_bruteforce)
 endif()
 
-if(BUILD_ALL_EXAMPLES OR BUILD_EXAMPLE_CIRCLES_SPATIAL_3D)
+if(BUILD_ALL_EXAMPLES OR BUILD_EXAMPLE_CIRCLES_SPATIAL3D)
     add_subdirectory(examples/circles_spatial3D)
 endif()
 

cmake/common.cmake

@@ -430,6 +430,10 @@ function(add_flamegpu_library NAME SRC FLAMEGPU_ROOT)
         add_compile_definitions($<IF:$<CONFIG:Debug>,,NO_SEATBELTS>)
     endif()
 
+    if (EXPORT_RTC_SOURCES)
+        add_compile_definitions(OUTPUT_RTC_DYNAMIC_FILES)
+    endif ()
+
     # Enable RDC
     set_property(TARGET ${NAME}  PROPERTY CUDA_SEPARABLE_COMPILATION ON)
 

examples/boids_rtc_bruteforce/CMakeLists.txt

@@ -0,0 +1,33 @@
+# Set the minimum cmake version to that which supports cuda natively.
+# 3.10 required for cuda -std=c++14, however 3.12 fixes some device linker errors
+cmake_minimum_required(VERSION VERSION 3.12 FATAL_ERROR)
+
+# Name the project and set languages
+project(boids_rtc_bruteforce CUDA CXX)
+
+# Set the location of the ROOT flame gpu project relative to this CMakeList.txt
+get_filename_component(FLAMEGPU_ROOT ${CMAKE_CURRENT_SOURCE_DIR}/../.. REALPATH)
+
+# Include common rules.
+include(${FLAMEGPU_ROOT}/cmake/common.cmake)
+
+# Define output location of binary files
+if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
+    # If top level project
+    SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/bin/${CMAKE_SYSTEM_NAME_LOWER}-x64/${CMAKE_BUILD_TYPE}/)
+else()
+    # If called via add_subdirectory()
+    SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/../../bin/${CMAKE_SYSTEM_NAME_LOWER}-x64/${CMAKE_BUILD_TYPE}/)
+endif()
+
+# Prepare list of source files
+# Can't do this automatically, as CMake wouldn't know when to regen (as CMakeLists.txt would be unchanged)
+SET(ALL_SRC
+    ${CMAKE_CURRENT_SOURCE_DIR}/src/main.cu
+)
+
+# Add the executable and set required flags for the target
+add_flamegpu_executable("${PROJECT_NAME}" "${ALL_SRC}" "${FLAMEGPU_ROOT}" "${PROJECT_BINARY_DIR}" TRUE)
+
+# Also set as startup project (if top level project)
+set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"  PROPERTY VS_STARTUP_PROJECT "${PROJECT_NAME}")