Added EGL linking and useage for the linux cl_khr_gl_sharing

interaction. This still crashes on my machine but at least its getting
closer to working. Fixed some warnings and errors while compiling with
clang++

CMakeLists.txt

@@ -23,20 +23,30 @@ message(STATUS "SFML found: ${SFML_FOUND}")
 find_package( OpenCL REQUIRED )
 message(STATUS "OpenCL found: ${OPENCL_FOUND}")
 
+# Find OpenGL
+find_package( OpenGL REQUIRED)
+message(STATUS "OpenGL found: ${OPENGL_FOUND}")
+
+# Windows requires us to use GLEW to link the GL shit
 if (WIN32)
 	# Find GLEW
 	find_package(GLEW REQUIRED)
 	message(STATUS "GLEW found: ${GLEW_FOUND}")
 endif()
 
-# Find OpenGL
+# beignet only supports EGL and not GLX for the cl_khr_gl_sharing extension
-find_package( OpenGL REQUIRED)
+if (UNIX)
-message(STATUS "OpenGL found: ${OPENGL_FOUND}")
+    find_package(EGL REQUIRED)
+    message(STATUS "EGL found: ${EGL_FOUND}")
+endif (UNIX)
 
 # Include the directories for the main program, GL, CL and SFML's headers
 include_directories(${SFML_INCLUDE_DIR})
 include_directories(${OpenCL_INCLUDE_DIRS})
 include_directories(${OpenGL_INCLUDE_DIRS})
+if (UNIX)
+    include_directories(${EGL_INCLUDE_DIRS})
+endif()
 include_directories(include)
 
 # Glob all thr sources into their values
@@ -116,6 +126,10 @@ target_link_libraries (${PNAME} ${SFML_LIBRARIES} ${SFML_DEPENDENCIES})
 target_link_libraries (${PNAME} ${OpenCL_LIBRARY})
 target_link_libraries (${PNAME} ${OPENGL_LIBRARIES})
 
+if (UNIX)
+    target_link_libraries (${PNAME} ${EGL_LIBRARIES})
+endif()
+
 if (WIN32)
 	target_link_libraries (${PNAME} ${GLEW_LIBRARIES})
 endif()

FindEGL.cmake

@@ -0,0 +1,469 @@
+# - Try to Find EGL
+# Once done, this will define
+#
+#  EGL_FOUND - system has EGL installed.
+#  EGL_INCLUDE_DIRS - directories which contain the EGL headers.
+#  EGL_LIBRARIES - libraries required to link against EGL.
+#  EGL_DEFINITIONS - Compiler switches required for using EGL.
+#
+# Copyright (C) 2012 Intel Corporation. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1.  Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+# 2.  Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND ITS CONTRIBUTORS ``AS
+# IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR ITS
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+find_package(PkgConfig)
+
+pkg_check_modules(PC_EGL egl)
+
+if (PC_EGL_FOUND)
+    set(EGL_DEFINITIONS ${PC_EGL_CFLAGS_OTHER})
+endif ()
+
+find_path(EGL_INCLUDE_DIRS NAMES EGL/egl.h
+    HINTS ${PC_EGL_INCLUDEDIR} ${PC_EGL_INCLUDE_DIRS}
+)
+
+set(EGL_NAMES ${EGL_NAMES} egl EGL)
+find_library(EGL_LIBRARIES NAMES ${EGL_NAMES}
+    HINTS ${PC_EGL_LIBDIR} ${PC_EGL_LIBRARY_DIRS}
+)
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(EGL DEFAULT_MSG EGL_INCLUDE_DIRS EGL_LIBRARIES)
+
+mark_as_advanced(EGL_INCLUDE_DIRS EGL_LIBRARIES)# - Try to Find EGL
+# Once done, this will define
+#
+#  EGL_FOUND - system has EGL installed.
+#  EGL_INCLUDE_DIRS - directories which contain the EGL headers.
+#  EGL_LIBRARIES - libraries required to link against EGL.
+#  EGL_DEFINITIONS - Compiler switches required for using EGL.
+#
+# Copyright (C) 2012 Intel Corporation. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1.  Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+# 2.  Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND ITS CONTRIBUTORS ``AS
+# IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR ITS
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+find_package(PkgConfig)
+
+pkg_check_modules(PC_EGL egl)
+
+if (PC_EGL_FOUND)
+    set(EGL_DEFINITIONS ${PC_EGL_CFLAGS_OTHER})
+endif ()
+
+find_path(EGL_INCLUDE_DIRS NAMES EGL/egl.h
+    HINTS ${PC_EGL_INCLUDEDIR} ${PC_EGL_INCLUDE_DIRS}
+)
+
+set(EGL_NAMES ${EGL_NAMES} egl EGL)
+find_library(EGL_LIBRARIES NAMES ${EGL_NAMES}
+    HINTS ${PC_EGL_LIBDIR} ${PC_EGL_LIBRARY_DIRS}
+)
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(EGL DEFAULT_MSG EGL_INCLUDE_DIRS EGL_LIBRARIES)
+
+mark_as_advanced(EGL_INCLUDE_DIRS EGL_LIBRARIES)# - Try to Find EGL
+# Once done, this will define
+#
+#  EGL_FOUND - system has EGL installed.
+#  EGL_INCLUDE_DIRS - directories which contain the EGL headers.
+#  EGL_LIBRARIES - libraries required to link against EGL.
+#  EGL_DEFINITIONS - Compiler switches required for using EGL.
+#
+# Copyright (C) 2012 Intel Corporation. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1.  Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+# 2.  Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND ITS CONTRIBUTORS ``AS
+# IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR ITS
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+find_package(PkgConfig)
+
+pkg_check_modules(PC_EGL egl)
+
+if (PC_EGL_FOUND)
+    set(EGL_DEFINITIONS ${PC_EGL_CFLAGS_OTHER})
+endif ()
+
+find_path(EGL_INCLUDE_DIRS NAMES EGL/egl.h
+    HINTS ${PC_EGL_INCLUDEDIR} ${PC_EGL_INCLUDE_DIRS}
+)
+
+set(EGL_NAMES ${EGL_NAMES} egl EGL)
+find_library(EGL_LIBRARIES NAMES ${EGL_NAMES}
+    HINTS ${PC_EGL_LIBDIR} ${PC_EGL_LIBRARY_DIRS}
+)
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(EGL DEFAULT_MSG EGL_INCLUDE_DIRS EGL_LIBRARIES)
+
+mark_as_advanced(EGL_INCLUDE_DIRS EGL_LIBRARIES)# - Try to Find EGL
+# Once done, this will define
+#
+#  EGL_FOUND - system has EGL installed.
+#  EGL_INCLUDE_DIRS - directories which contain the EGL headers.
+#  EGL_LIBRARIES - libraries required to link against EGL.
+#  EGL_DEFINITIONS - Compiler switches required for using EGL.
+#
+# Copyright (C) 2012 Intel Corporation. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1.  Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+# 2.  Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND ITS CONTRIBUTORS ``AS
+# IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR ITS
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+find_package(PkgConfig)
+
+pkg_check_modules(PC_EGL egl)
+
+if (PC_EGL_FOUND)
+    set(EGL_DEFINITIONS ${PC_EGL_CFLAGS_OTHER})
+endif ()
+
+find_path(EGL_INCLUDE_DIRS NAMES EGL/egl.h
+    HINTS ${PC_EGL_INCLUDEDIR} ${PC_EGL_INCLUDE_DIRS}
+)
+
+set(EGL_NAMES ${EGL_NAMES} egl EGL)
+find_library(EGL_LIBRARIES NAMES ${EGL_NAMES}
+    HINTS ${PC_EGL_LIBDIR} ${PC_EGL_LIBRARY_DIRS}
+)
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(EGL DEFAULT_MSG EGL_INCLUDE_DIRS EGL_LIBRARIES)
+
+mark_as_advanced(EGL_INCLUDE_DIRS EGL_LIBRARIES)# - Try to Find EGL
+# Once done, this will define
+#
+#  EGL_FOUND - system has EGL installed.
+#  EGL_INCLUDE_DIRS - directories which contain the EGL headers.
+#  EGL_LIBRARIES - libraries required to link against EGL.
+#  EGL_DEFINITIONS - Compiler switches required for using EGL.
+#
+# Copyright (C) 2012 Intel Corporation. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1.  Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+# 2.  Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND ITS CONTRIBUTORS ``AS
+# IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR ITS
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+find_package(PkgConfig)
+
+pkg_check_modules(PC_EGL egl)
+
+if (PC_EGL_FOUND)
+    set(EGL_DEFINITIONS ${PC_EGL_CFLAGS_OTHER})
+endif ()
+
+find_path(EGL_INCLUDE_DIRS NAMES EGL/egl.h
+    HINTS ${PC_EGL_INCLUDEDIR} ${PC_EGL_INCLUDE_DIRS}
+)
+
+set(EGL_NAMES ${EGL_NAMES} egl EGL)
+find_library(EGL_LIBRARIES NAMES ${EGL_NAMES}
+    HINTS ${PC_EGL_LIBDIR} ${PC_EGL_LIBRARY_DIRS}
+)
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(EGL DEFAULT_MSG EGL_INCLUDE_DIRS EGL_LIBRARIES)
+
+mark_as_advanced(EGL_INCLUDE_DIRS EGL_LIBRARIES)# - Try to Find EGL
+# Once done, this will define
+#
+#  EGL_FOUND - system has EGL installed.
+#  EGL_INCLUDE_DIRS - directories which contain the EGL headers.
+#  EGL_LIBRARIES - libraries required to link against EGL.
+#  EGL_DEFINITIONS - Compiler switches required for using EGL.
+#
+# Copyright (C) 2012 Intel Corporation. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1.  Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+# 2.  Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND ITS CONTRIBUTORS ``AS
+# IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR ITS
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+find_package(PkgConfig)
+
+pkg_check_modules(PC_EGL egl)
+
+if (PC_EGL_FOUND)
+    set(EGL_DEFINITIONS ${PC_EGL_CFLAGS_OTHER})
+endif ()
+
+find_path(EGL_INCLUDE_DIRS NAMES EGL/egl.h
+    HINTS ${PC_EGL_INCLUDEDIR} ${PC_EGL_INCLUDE_DIRS}
+)
+
+set(EGL_NAMES ${EGL_NAMES} egl EGL)
+find_library(EGL_LIBRARIES NAMES ${EGL_NAMES}
+    HINTS ${PC_EGL_LIBDIR} ${PC_EGL_LIBRARY_DIRS}
+)
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(EGL DEFAULT_MSG EGL_INCLUDE_DIRS EGL_LIBRARIES)
+
+mark_as_advanced(EGL_INCLUDE_DIRS EGL_LIBRARIES)# - Try to Find EGL
+# Once done, this will define
+#
+#  EGL_FOUND - system has EGL installed.
+#  EGL_INCLUDE_DIRS - directories which contain the EGL headers.
+#  EGL_LIBRARIES - libraries required to link against EGL.
+#  EGL_DEFINITIONS - Compiler switches required for using EGL.
+#
+# Copyright (C) 2012 Intel Corporation. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1.  Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+# 2.  Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND ITS CONTRIBUTORS ``AS
+# IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR ITS
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+find_package(PkgConfig)
+
+pkg_check_modules(PC_EGL egl)
+
+if (PC_EGL_FOUND)
+    set(EGL_DEFINITIONS ${PC_EGL_CFLAGS_OTHER})
+endif ()
+
+find_path(EGL_INCLUDE_DIRS NAMES EGL/egl.h
+    HINTS ${PC_EGL_INCLUDEDIR} ${PC_EGL_INCLUDE_DIRS}
+)
+
+set(EGL_NAMES ${EGL_NAMES} egl EGL)
+find_library(EGL_LIBRARIES NAMES ${EGL_NAMES}
+    HINTS ${PC_EGL_LIBDIR} ${PC_EGL_LIBRARY_DIRS}
+)
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(EGL DEFAULT_MSG EGL_INCLUDE_DIRS EGL_LIBRARIES)
+
+mark_as_advanced(EGL_INCLUDE_DIRS EGL_LIBRARIES)# - Try to Find EGL
+# Once done, this will define
+#
+#  EGL_FOUND - system has EGL installed.
+#  EGL_INCLUDE_DIRS - directories which contain the EGL headers.
+#  EGL_LIBRARIES - libraries required to link against EGL.
+#  EGL_DEFINITIONS - Compiler switches required for using EGL.
+#
+# Copyright (C) 2012 Intel Corporation. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1.  Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+# 2.  Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND ITS CONTRIBUTORS ``AS
+# IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR ITS
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+find_package(PkgConfig)
+
+pkg_check_modules(PC_EGL egl)
+
+if (PC_EGL_FOUND)
+    set(EGL_DEFINITIONS ${PC_EGL_CFLAGS_OTHER})
+endif ()
+
+find_path(EGL_INCLUDE_DIRS NAMES EGL/egl.h
+    HINTS ${PC_EGL_INCLUDEDIR} ${PC_EGL_INCLUDE_DIRS}
+)
+
+set(EGL_NAMES ${EGL_NAMES} egl EGL)
+find_library(EGL_LIBRARIES NAMES ${EGL_NAMES}
+    HINTS ${PC_EGL_LIBDIR} ${PC_EGL_LIBRARY_DIRS}
+)
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(EGL DEFAULT_MSG EGL_INCLUDE_DIRS EGL_LIBRARIES)
+
+mark_as_advanced(EGL_INCLUDE_DIRS EGL_LIBRARIES)# - Try to Find EGL
+# Once done, this will define
+#
+#  EGL_FOUND - system has EGL installed.
+#  EGL_INCLUDE_DIRS - directories which contain the EGL headers.
+#  EGL_LIBRARIES - libraries required to link against EGL.
+#  EGL_DEFINITIONS - Compiler switches required for using EGL.
+#
+# Copyright (C) 2012 Intel Corporation. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1.  Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+# 2.  Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND ITS CONTRIBUTORS ``AS
+# IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR ITS
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+find_package(PkgConfig)
+
+pkg_check_modules(PC_EGL egl)
+
+if (PC_EGL_FOUND)
+    set(EGL_DEFINITIONS ${PC_EGL_CFLAGS_OTHER})
+endif ()
+
+find_path(EGL_INCLUDE_DIRS NAMES EGL/egl.h
+    HINTS ${PC_EGL_INCLUDEDIR} ${PC_EGL_INCLUDE_DIRS}
+)
+
+set(EGL_NAMES ${EGL_NAMES} egl EGL)
+find_library(EGL_LIBRARIES NAMES ${EGL_NAMES}
+    HINTS ${PC_EGL_LIBDIR} ${PC_EGL_LIBRARY_DIRS}
+)
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(EGL DEFAULT_MSG EGL_INCLUDE_DIRS EGL_LIBRARIES)
+
+mark_as_advanced(EGL_INCLUDE_DIRS EGL_LIBRARIES)

include/CLCaster.h

@@ -15,7 +15,8 @@
 #ifdef linux
 #include <CL/cl.h>
 #include <CL/opencl.h>
-#include <GL/glx.h>
+#include <EGL/egl.h>
+//#include <GL/glx.h>
 
 #elif defined _WIN32
 #include <CL/cl_gl.h>

include/ConfigDB.h

@@ -1,6 +1,6 @@
 #pragma once
 #include <string>
-#include <filesystem>
+#include <experimental/filesystem>
 
 class ConfigDB {
 	

include/Logger.h

@@ -11,7 +11,7 @@ public:
 	enum LogDest { STDOUT, FILE };
 
 	// Log auto, takes a string and the severity of the log level and either prints it or tosses it
-	static void log(std::string log_string, LogLevel severity, uint32_t line_number = 0, char* file_name = nullptr);
+	static void log(std::string log_string, LogLevel severity, uint32_t line_number = 0, const char* file_name = nullptr);
 
 	static void set_log_level(LogLevel log_level);
 	static void set_log_destination(LogDest log_destination);

include/map/Map.h

@@ -23,14 +23,14 @@ public:
 	// Gets a voxel at the 3D position in the octree
 	char getVoxel(sf::Vector3i pos);
 
-	std::vector<std::tuple<sf::Vector3i, char>> Map::CastRayOctree(
+	std::vector<std::tuple<sf::Vector3i, char>> CastRayOctree(
 		Octree *octree,
 		sf::Vector3i* map_dim,
 		sf::Vector2f* cam_dir,
 		sf::Vector3f* cam_pos
 	);
 
-	std::vector<std::tuple<sf::Vector3i, char>> Map::CastRayCharArray(
+	std::vector<std::tuple<sf::Vector3i, char>> CastRayCharArray(
 		char *map,
 		sf::Vector3i* map_dim,
 		sf::Vector2f* cam_dir,

kernels/ray_caster_kernel.cl

@@ -364,11 +364,11 @@ __kernel void raycaster(
 
 		// Test for out of bounds contions, add fog
 		if (any(voxel >= *map_dim)){
-			write_imagef(image, pixel, white_light(mix(fog_color, overshoot_color, 1.0 - max(dist / 700.0f, (float)0)), (float3)(lights[7], lights[8], lights[9]), face_mask));
+			//write_imagef(image, pixel, white_light(mix(fog_color, overshoot_color, 1.0 - max(dist / 700.0f, (float)0)), (float3)(lights[7], lights[8], lights[9]), face_mask));
 			return;
 		}
 		if (any(voxel < 0)) {
-			write_imagef(image, pixel, white_light(mix(fog_color, overshoot_color_2, 1.0 - max(dist / 700.0f, (float)0)), (float3)(lights[7], lights[8], lights[9]), face_mask));
+			//write_imagef(image, pixel, white_light(mix(fog_color, overshoot_color_2, 1.0 - max(dist / 700.0f, (float)0)), (float3)(lights[7], lights[8], lights[9]), face_mask));
 			return;
 		}
 

src/Application.cpp

@@ -171,11 +171,11 @@ bool Application::game_loop() {
 		sf::Vector2f dir = camera->get_direction();
 		sf::Vector3f pos = camera->get_position();
 
-		ImGui::Text(std::to_string(dir.x).c_str());
+		ImGui::Text("%f", dir.x);
-		ImGui::Text(std::to_string(dir.y).c_str());
+		ImGui::Text("%f", dir.y);
-		ImGui::Text(std::to_string(pos.x).c_str());
+		ImGui::Text("%f", pos.x);
-		ImGui::Text(std::to_string(pos.y).c_str());
+		ImGui::Text("%f", pos.y);
-		ImGui::Text(std::to_string(pos.z).c_str());
+		ImGui::Text("%f", pos.z);
 
 		ImGui::NextColumn();
 

src/CLCaster.cpp

@@ -1,6 +1,5 @@
 #include "CLCaster.h"
 
-
 CLCaster::CLCaster() {}
 CLCaster::~CLCaster() {}
 
@@ -570,8 +569,10 @@ bool CLCaster::create_shared_context()
 #ifdef linux
 
 	cl_context_properties context_properties[] = {
-		CL_GL_CONTEXT_KHR, (cl_context_properties)glXGetCurrentContext(),
+		//CL_GL_CONTEXT_KHR, (cl_context_properties)glXGetCurrentContext(),
-		CL_GLX_DISPLAY_KHR, (cl_context_properties)glXGetCurrentDisplay(),
+		//CL_GLX_DISPLAY_KHR, (cl_context_properties)glXGetCurrentDisplay(),
+        CL_GL_CONTEXT_KHR, (cl_context_properties)eglGetCurrentContext(),
+        CL_EGL_DISPLAY_KHR, (cl_context_properties)eglGetCurrentDisplay(),
 		CL_CONTEXT_PLATFORM, (cl_context_properties)platform_id,
 		0
 	};

src/ConfigDB.cpp

@@ -13,8 +13,8 @@ ConfigDB::~ConfigDB()
 
 bool ConfigDB::init(std::string root_config_path) {
 
-	for (auto& p : std::experimental::filesystem::directory_iterator("../config"))
+	//for (auto& p : std::experimental::filesystem::directory_iterator("../config"))
-		std::cout << p << '\n';
+    //    std::cout << p << '\n';
 	return true;
 }
 

src/Logger.cpp

@@ -4,7 +4,7 @@ Logger::LogDest Logger::log_destination = LogDest::STDOUT;
 Logger::LogLevel Logger::log_level = LogLevel::INFO;
 std::ofstream Logger::log_file;
 
-void Logger::log(std::string log_string, LogLevel severity, uint32_t line_number, char* file_name) {
+void Logger::log(std::string log_string, LogLevel severity, uint32_t line_number,const char* file_name) {
 	 
 	if (severity < log_level)
 		return;