Open GL Build System Toggle

cmake/CMakeLists.txt

 cmake_minimum_required (VERSION 2.6.2)
 project (cannonball)
+
 set(DCMAKE default.cmake)
 set(CMDIR ../cmake)
 
@@ -97,22 +98,36 @@ set(src_hwaudio
     "${main_cpp_base}/hwaudio/soundchip.cpp"
     "${main_cpp_base}/hwaudio/ym2151.cpp"
     )
-    
-set(src_sdl
-    "${main_cpp_base}/sdl/audio.hpp"
-    "${main_cpp_base}/sdl/timer.hpp"
-    "${main_cpp_base}/sdl/input.hpp"
-    "${main_cpp_base}/sdl/renderbase.hpp"
-    "${main_cpp_base}/sdl/rendergl.hpp"
-    "${main_cpp_base}/sdl/rendersw.hpp"
-
-    "${main_cpp_base}/sdl/audio.cpp"
-    "${main_cpp_base}/sdl/timer.cpp"
-    "${main_cpp_base}/sdl/input.cpp"
-    "${main_cpp_base}/sdl/renderbase.cpp"
-    "${main_cpp_base}/sdl/rendergl.cpp"
-    "${main_cpp_base}/sdl/rendersw.cpp"
-    )
+   
+if(OPENGL)
+    set(src_sdl
+        "${main_cpp_base}/sdl/audio.hpp"
+        "${main_cpp_base}/sdl/timer.hpp"
+        "${main_cpp_base}/sdl/input.hpp"
+        "${main_cpp_base}/sdl/renderbase.hpp"
+        "${main_cpp_base}/sdl/rendergl.hpp"
+
+        "${main_cpp_base}/sdl/audio.cpp"
+        "${main_cpp_base}/sdl/timer.cpp"
+        "${main_cpp_base}/sdl/input.cpp"
+        "${main_cpp_base}/sdl/renderbase.cpp"
+        "${main_cpp_base}/sdl/rendergl.cpp"
+        )   
+else()
+    set(src_sdl
+        "${main_cpp_base}/sdl/audio.hpp"
+        "${main_cpp_base}/sdl/timer.hpp"
+        "${main_cpp_base}/sdl/input.hpp"
+        "${main_cpp_base}/sdl/renderbase.hpp"
+        "${main_cpp_base}/sdl/rendersw.hpp"
+
+        "${main_cpp_base}/sdl/audio.cpp"
+        "${main_cpp_base}/sdl/timer.cpp"
+        "${main_cpp_base}/sdl/input.cpp"
+        "${main_cpp_base}/sdl/renderbase.cpp"
+        "${main_cpp_base}/sdl/rendersw.cpp"
+        )
+endif()
 
 set(src_directx
     "${main_cpp_base}/directx/ffeedback.hpp"
@@ -213,6 +228,10 @@ if(WIN32)
   set(SRCS ${SRCS} ../res/cannonball.rc)
 endif(WIN32)
 
+if(OPENGL)
+    add_definitions(-DWITH_OPENGL)
+endif()
+
 add_executable(cannonball ${SRCS})
 
 # Copy Configuration file to current build

cmake/default.cmake

@@ -9,6 +9,9 @@ if (NOT DEFINED ENV{DXSDK})
     message(FATAL_ERROR "Warning: DirectX SDK Variable DXSDK Not Defined!")
 endif()
 
+# Use OpenGL for rendering.
+set(OPENGL 1)
+
 include_directories(
     "${sdl_root}/include"
 )
@@ -27,9 +30,6 @@ link_directories(
     "$ENV{DXSDK}/lib"
     "${sdl_root}/lib"
 )
-
-# Use OpenGL for rendering. Disable to use software rendering. 
-add_definitions(-DWITH_OPENGL)
  
 # Location for Cannonball to create save files
 # Used to auto-generate setup.hpp with various file paths

cmake/mingw.cmake

@@ -11,6 +11,9 @@ endif()
 
 find_package(SDL REQUIRED)
 
+# Use OpenGL for rendering.
+set(OPENGL 1)
+
 include_directories(
     "${SDL_INCLUDE_DIR}"
     # You may need to remove the next line based on your DirectX setup
@@ -27,11 +30,10 @@ link_libraries(cannonball
 )
 
 set(CMAKE_CXX_FLAGS "-Ofast -static-libgcc -static-libstdc++")
- 
-# Use OpenGL for rendering. Disable to use software rendering. 
-add_definitions(-DWITH_OPENGL)
- 
+  
 # Location for Cannonball to create save files
 # Used to auto-generate setup.hpp with various file paths
 set(xml_directory ./)
-set(sdl_flags "SDL_DOUBLEBUF | SDL_SWSURFACE")
\ No newline at end of file
+
+# SDL Software Rendering Flags (ignored if OpenGL used)
+set(sdl_flags "SDL_SWSURFACE | SDL_DOUBLEBUF")
\ No newline at end of file