GSdx: Enable OpenCL on Linux (#3099)

build.sh

@@ -219,6 +219,7 @@ for ARG in "$@"; do
         --no-cross-multilib ) useCross=0; ;;
         --coverity          ) CoverityBuild=1; cleanBuild=1; ;;
         --vtune             ) flags="$flags -DUSE_VTUNE=TRUE" ;;
+        --opencl            ) flags="$flags -DOPENCL_API=TRUE" ;;
         -D*                 ) flags="$flags $ARG" ;;
 
         *)
@@ -239,6 +240,7 @@ for ARG in "$@"; do
             echo "--glsl          : Replace CG backend of ZZogl by GLSL"
             echo "--egl           : Replace GLX by EGL (ZZogl/GSdx plugins)"
             echo "--cross-multilib: Build a 32bit PCSX2 on a 64bit machine using multilib."
+            echo "--opencl        : Enable experimental OpenCL support"
             echo
             echo "** Distribution Compatibilities **"
             echo "--sdl12         : Build with SDL1.2 (requires if wx is linked against SDL1.2)"

cmake/BuildParameters.cmake

@@ -35,7 +35,7 @@ option(USE_VTUNE "Plug VTUNE to profile GSdx JIT.")
 #-------------------------------------------------------------------------------
 option(GLSL_API "Replace ZZogl CG backend by GLSL (experimental option)")
 option(EGL_API "Use EGL on ZZogl/GSdx (experimental/developer option)")
-option(OPENCL_API "Add OpenCL suppport on GSdx")
+option(OPENCL_API "Add OpenCL support on GSdx")
 option(REBUILD_SHADER "Rebuild GLSL/CG shader (developer option)")
 option(BUILD_REPLAY_LOADERS "Build GS replayer to ease testing (developer option)")
 option(GSDX_LEGACY "Build a GSdx legacy plugin compatible with GL3.3")

plugins/GSdx/CMakeLists.txt

@@ -48,7 +48,7 @@ if(EGL_API AND EGL_FOUND)
 endif()
 
 
-if(OPENCL_API)
+if(OPENCL_FOUND)
     set(GSdxFinalFlags ${GSdxFinalFlags} -DENABLE_OPENCL)
 endif()
 

plugins/GSdx/GSdx.cpp

@@ -353,9 +353,6 @@ void GSdxApp::Init()
 	// D3D Blending option
 	m_default_configuration["accurate_blending_unit_d3d11"]               = "1";
 
-	// OpenCL device. Windows only for now.
-	m_default_configuration["ocldev"]                                     = "";
-
 	// PSX option. Not supported on linux.
 	m_default_configuration["dithering"]                                  = "1";
 	m_default_configuration["ModeRefreshRate"]                            = "0";
@@ -397,6 +394,7 @@ void GSdxApp::Init()
 	m_default_configuration["ModeHeight"]                                 = "480";
 	m_default_configuration["ModeWidth"]                                  = "640";
 	m_default_configuration["NTSC_Saturation"]                            = "1";
+	m_default_configuration["ocldev"]                                     = "";
 #ifdef _WIN32
 	m_default_configuration["osd_fontname"]                               = "C:\\Windows\\Fonts\\tahoma.ttf";
 #else

plugins/GSdx/res/tfx.cl

@@ -1,9 +1,3 @@
-#if defined(CL_VERSION_2_0)
-
-#error hello
-
-#endif
-
 #if defined(CL_VERSION_1_1) || defined(CL_VERSION_1_2) // make safe to include in resource file to enforce dependency
 
 #ifdef cl_amd_printf