Made code possible to compile on linux

CMakeLists.txt

@@ -55,33 +55,35 @@ set(GLFW_BUILD_DOCS OFF CACHE BOOL "" FORCE)
 set(GLFW_BUILD_TESTS OFF CACHE BOOL "" FORCE)
 set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
 
-find_path(GLFW_INCLUDE_DIR GLFW/glfw3.h 
-HINTS 
-${CMAKE_CURRENT_SOURCE_DIR}/include 
-${CMAKE_CURRENT_SOURCE_DIR}/lib 
-${GLFW_ROOT} 
-${GLFW_ROOT}/include)
+#find_path(GLFW_INCLUDE_DIR GLFW/glfw3.h
+#HINTS
+#${CMAKE_CURRENT_SOURCE_DIR}/include
+#${CMAKE_CURRENT_SOURCE_DIR}/lib
+#${GLFW_ROOT}
+#${GLFW_ROOT}/include)
+#
+#if(GLFW_INCLUDE_DIR)
+#message(STATUS "GLFW_INCLUDE_DIR: ${GLFW_INCLUDE_DIR}")
+#else()
+#message(FATAL_ERROR "glfw3.h not found")
+#endif()
+#
+#find_path(GLFW_LIB_DIR glfw3.lib
+#HINTS
+#${CMAKE_CURRENT_SOURCE_DIR}/include
+#${CMAKE_CURRENT_SOURCE_DIR}/lib
+#${GLFW_ROOT}/lib
+#${GLFW_ROOT}/lib-vc2019
+#${GLFW_ROOT}/lib-vc2017
+#${GLFW_ROOT}/lib-vc2015)
+#
+#if(GLFW_LIB_DIR)
+#message(STATUS "GLFW_LIB_DIR: ${GLFW_LIB_DIR}")
+#else()
+#message(FATAL_ERROR "glfw3.lib not found")
+#endif()
 
-if(GLFW_INCLUDE_DIR)
-message(STATUS "GLFW_INCLUDE_DIR: ${GLFW_INCLUDE_DIR}")
-else()
-message(FATAL_ERROR "glfw3.h not found")
-endif()
-
-find_path(GLFW_LIB_DIR glfw3.lib 
-HINTS 
-${CMAKE_CURRENT_SOURCE_DIR}/include 
-${CMAKE_CURRENT_SOURCE_DIR}/lib 
-${GLFW_ROOT}/lib 
-${GLFW_ROOT}/lib-vc2019 
-${GLFW_ROOT}/lib-vc2017 
-${GLFW_ROOT}/lib-vc2015)
-
-if(GLFW_LIB_DIR)
-message(STATUS "GLFW_LIB_DIR: ${GLFW_LIB_DIR}")
-else()
-message(FATAL_ERROR "glfw3.lib not found")
-endif()
+find_package(glfw3 REQUIRED)
 
 # Find GLEW
 find_package(GLEW REQUIRED)
@@ -101,12 +103,14 @@ if(NOT WIN32)
 endif()
 
 # Find stb_image
-find_path(stb_image_INCLUDE_DIR stb_image.h 
-HINTS
-${CMAKE_CURRENT_SOURCE_DIR}/include 
-${CMAKE_CURRENT_SOURCE_DIR}/include/stb
-${CMAKE_CURRENT_SOURCE_DIR}/lib  
-${stb_image_ROOT})
+find_path(stb_image_INCLUDE_DIR stb_image.h
+        HINTS
+        ${CMAKE_CURRENT_SOURCE_DIR}/include
+        ${CMAKE_CURRENT_SOURCE_DIR}/include/stb
+        ${CMAKE_CURRENT_SOURCE_DIR}/lib
+        ${CMAKE_CURRENT_SOURCE_DIR}
+        "/usr/include/stb"
+        ${stb_image_ROOT})
 
 if(stb_image_INCLUDE_DIR)
 message(STATUS "stb_image_INCLUDE_DIR: ${stb_image_INCLUDE_DIR}")
@@ -122,7 +126,8 @@ ${OPENGL_INCLUDE_DIR}
 ${stb_image_INCLUDE_DIR}
 ${GLEW_INCLUDE_DIR})
 target_link_directories(${PROJECT_NAME} PUBLIC ${GLFW_LIB_DIR} ${GLEW_LIBRARIES})
-target_link_libraries(${PROJECT_NAME} "glfw3.lib" "opengl32.lib" "glew32s.lib")
+target_link_libraries(${PROJECT_NAME} glfw OpenGL::GL GLEW::GLEW)
+
 
 # Header files
 file(COPY src/ComputeEngine.h DESTINATION ${CMAKE_BINARY_DIR}/include)

build.nu

@@ -0,0 +1 @@
+rm -rf cmake-build-debug try return 0 ; rm -fr build try return 0 ; cmake -B build -S . ; cmake --build build --config Release

src/ComputeEngine.cpp

@@ -1,4 +1,10 @@
-#include <Windows.h>
+#ifdef _WIN32
+    #include <windows.h>
+#else
+    #include <sys/stat.h>
+    #include <sys/types.h>
+#endif
+
 
 #include "ComputeEngine.h"
 
@@ -16,7 +22,10 @@
 #include <cmath>
 #include <vector>
 #include <string>
-#include <fileapi.h>
+
+#ifdef _WIN32
+    #include <fileapi.h>
+#endif
 
 #include <GL/glew.h>
 #include <GLFW/glfw3.h>
@@ -289,7 +298,11 @@ void ComputeEngine::SaveScreen(std::string name) {
     }
 
     const char* path = "screenshots";
+#ifdef _WIN32
     CreateDirectoryA(path, NULL);
+#else
+        mkdir(path, 0777);
+#endif
 
     name = name + std::to_string(i) + ".png";
 

src/GLUtils.h

@@ -4,17 +4,23 @@
 #include <GL/glew.h>
 #include <GLFW/glfw3.h>
 
+#ifdef _MSC_VER
+#define DEBUG_BREAK __debugbreak();
+#else
+#include <csignal>
+#define DEBUG_BREAK raise(SIGTRAP);
+#endif
 
 #define __FILENAME__ (strrchr(__FILE__, '\\') ? strrchr(__FILE__, '\\') + 1 : __FILE__)
 
 #define ASSERT(x) if(!(x)){ std::cout << "[ERROR] " << #x << '\n';\
-__debugbreak();}
+DEBUG_BREAK}
 
 #define GLCall(x) \
     glClearError();\
     x;\
     if(!(glErrorCheck())){ std::cout << "[ERROR] " << #x << '\n';\
-    __debugbreak();}
+    DEBUG_BREAK}
 
 #if 1
 #define LOG(msg) \

src/Program.cpp

@@ -7,6 +7,8 @@
 #include "Texture.h"
 #include "Shader.h"
 
+#include <cmath>
+
 Program::Program() :
     m_id(0)
 {
@@ -71,8 +73,8 @@ void Program::Delete() {
 void Program::DispatchCompute(int width, int height) {
     Use();
 
-    int up_w = int(ceil((float)width / 8.0f));
-    int up_h = int(ceil((float)height / 8.0f));
+    int up_w = int(std::ceil((float)width / 8.0f));
+    int up_h = int(std::ceil((float)height / 8.0f));
     GLCall(glDispatchCompute(up_w, up_h, 1));
 }
 

src/Shader.cpp

@@ -89,7 +89,7 @@ Shader::Shader(unsigned int type, bool tonemapped) {
             m_id = CompileShader(frag_source_tonemapped, type);
         break;
     default:
-        __debugbreak();
+        DEBUG_BREAK
         break;
     }
 }