- add stubbed functions, compiling and launching

Author: polymonster

core/pen/project.lua

@@ -4,7 +4,7 @@ local function setup_win32()
         {
             "$(VK_SDK_PATH)/Include"
         }
-    elseif renderer_dir == "opengl" then         
+    elseif renderer_dir == "opengl" then
         includedirs
         {
             "../../third_party/glew/include",
@@ -16,31 +16,31 @@ local function setup_win32()
 end
 
 local function setup_ios()
-    files 
-    {  
+    files
+    {
         "source/posix/**.cpp",
         "source/mach/**.cpp"
     }
 end
 
 local function setup_osx()
-    files 
-    {  
+    files
+    {
         "source/posix/**.cpp",
         "source/mach/**.cpp"
     }
 end
 
 local function setup_linux()
-    files 
-    {  
+    files
+    {
         "source/posix/**.cpp"
     }
 end
 
 local function setup_web()
-    files 
-    {  
+    files
+    {
         "source/posix/**.cpp",
         "source/linux/timer.cpp",
         "source/single_threaded/**.cpp"
@@ -52,9 +52,12 @@ local function setup_web()
 end
 
 local function setup_android()
-    files 
-    {  
-        "source/posix/**.cpp"
+    files
+    {
+        "source/posix/pen_string.cpp",
+        "source/posix/threads.cpp",
+
+        "source/linux/timer.cpp",
     }
 end
 
@@ -74,58 +77,58 @@ local function setup_platform()
     end
 end
 
--- Project    
+-- Project
 project "pen"
     setup_env()
     setup_platform_defines()
-    setup_platform() 
+    setup_platform()
     location ("build/" .. platform_dir)
     kind "StaticLib"
     language "C++"
-    
-    files 
+
+    files
     {
         "include/*.h",
         "source/*.cpp",
-     
-        "include/" .. platform_dir .. "/**.h", 
+
+        "include/" .. platform_dir .. "/**.h",
 
         "source/" .. platform_dir .. "/**.cpp",
         "source/" .. platform_dir .. "/**.mm",
-    
-        "../../third_party/str/*.cpp", 
+
+        "../../third_party/str/*.cpp",
     }
-    
-    includedirs 
+
+    includedirs
     {
         "include",
-        "include/" .. platform_dir, 
-    
-        "../../third_party", 
+        "include/" .. platform_dir,
+
+        "../../third_party",
         "../../third_party/libstem_gamepad/source"
     }
-    
+
     -- rendere selection, and allow for no renderer
     if string.len(renderer_dir) > 0 then
 		files
-		{   
+		{
 			"include/" .. renderer_dir .. "/**.h",
 			"source/" .. renderer_dir .. "/**.cpp",
 			"source/" .. renderer_dir .. "/**.mm",
 		}
-		includedirs 
+		includedirs
 		{
 			"include/" .. renderer_dir,
 		}
     end
-            
+
     filter "configurations:Release"
         defines { "NDEBUG" }
         entrypoint "WinMainCRTStartup"
         optimize "Speed"
         targetdir ("lib/" .. platform_dir .. "/release")
         targetname "pen"
-        
+
     filter "configurations:Debug"
         defines { "DEBUG" }
         entrypoint "WinMainCRTStartup"

core/pen/source/android/file_system.cpp

@@ -0,0 +1,78 @@
+// file_system.cpp
+// Copyright 2014 - 2023 Alex Dixon.
+// License: https://github.com/polymonster/pmtech/blob/master/license.md
+
+#include "file_system.h"
+#include "memory.h"
+#include "os.h"
+#include "pen.h"
+#include "pen_string.h"
+
+namespace pen
+{
+    bool filesystem_file_exists(const c8* filename)
+    {
+        return false;
+    }
+
+    pen_error filesystem_read_file_to_buffer(const c8* filename, void** p_buffer, u32& buffer_size)
+    {
+        return PEN_ERR_FILE_NOT_FOUND;
+    }
+
+    pen_error filesystem_enum_volumes(fs_tree_node& results)
+    {
+        return PEN_ERR_OK;
+    }
+
+    void filesystem_toggle_hidden_files()
+    {
+
+    }
+
+    bool match_file(struct dirent* ent, s32 num_wildcards, va_list wildcards)
+    {
+        return false;
+    }
+
+    pen_error filesystem_enum_directory(const c8* directory, fs_tree_node& results, s32 num_wildcards, ...)
+    {
+        return PEN_ERR_OK;
+    }
+
+    pen_error filesystem_enum_directory(const c8* directory, fs_tree_node& results, s32 num_wildcards, va_list wildcards)
+    {
+        return PEN_ERR_OK;
+    }
+
+    pen_error filesystem_enum_free_mem(fs_tree_node& tree)
+    {
+        return PEN_ERR_OK;
+    }
+
+    pen_error filesystem_getmtime(const c8* filename, u32& mtime_out)
+    {
+        return PEN_ERR_OK;
+    }
+
+    size_t filesystem_getsize(const c8* filename)
+    {
+        return 0;
+    }
+
+    const c8* filesystem_get_user_directory()
+    {
+        return nullptr;
+    }
+
+    const c8** filesystem_get_user_directory(s32& directory_depth)
+    {
+        return nullptr;
+    }
+
+    s32 filesystem_exclude_slash_depth()
+    {
+        // directory depth 0 can be a slash
+        return 0;
+    }
+} // namespace pen

core/pen/source/android/os.cpp

@@ -2,15 +2,33 @@
 // Copyright 2014 - 2023 Alex Dixon.
 // License: https://github.com/polymonster/pmtech/blob/master/license.md
 
+#include "os.h"
+
 #include "threads.h"
+
 #include <jni.h>
 
+// global externs
+pen::user_info              pen_user_info;
+pen::window_creation_params pen_window;
+
 int main()
 {
 }
 
+void pen_make_gl_context_current()
+{
+
+}
+
+void pen_gl_swap_buffers()
+{
+
+}
+
 namespace pen
 {
+    /*
     void semaphore_post(pen::semaphore*, unsigned int)
     {
     }
@@ -23,4 +41,35 @@ namespace pen
     {
         return true;
     }
+    */
+
+    hash_id window_get_id()
+    {
+        return 0;
+    }
+
+    const c8* window_get_title()
+    {
+        return "pmtech_window";
+    }
+
+    const Str os_path_for_resource(const c8* filename)
+    {
+        return "todo";
+    }
+
+    bool os_update()
+    {
+        return true;
+    }
+
+    void os_terminate(u32 return_code)
+    {
+
+    }
+
+    void window_get_size(s32& width, s32& height)
+    {
+
+    }
 } // namespace pen

core/pen/source/input.cpp

@@ -239,7 +239,7 @@ namespace pen
 // Gamepad
 //
 
-#if !PEN_PLATFORM_IOS && !PEN_PLATFORM_WEB
+#if !PEN_PLATFORM_IOS && !PEN_PLATFORM_WEB && !PEN_PLATFORM_ANDROID
 
 #define API_RAW_INPUT 0
 #define API_XINPUT 1

core/pen/source/opengl/renderer_opengl.cpp

@@ -22,7 +22,16 @@
 #include <vector>
 
 #ifdef __linux__
+#if !PEN_PLATFORM_ANDROID
 #include "GL/glew.h"
+#else
+#define PEN_GLES3 1
+#include <GLES3/gl3.h>
+#include <GLES3/gl31.h>
+#include <GLES3/gl32.h>
+#include <GLES2/gl2ext.h>
+#include <EGL/egl.h>
+#endif
 #elif _WIN32
 #define GLEW_STATIC
 #include "GL/glew.h"
@@ -181,6 +190,7 @@ namespace
 
     u32 to_gl_polygon_mode(u32 pen_polygon_mode)
     {
+#if !PEN_PLATFORM_ANDROID
         switch (pen_polygon_mode)
         {
             case PEN_FILL_SOLID:
@@ -190,6 +200,8 @@ namespace
         }
         PEN_ASSERT(0);
         return GL_FILL;
+#endif
+        return 0;
     }
 
     u32 to_gl_cull_mode(u32 pen_cull_mode)

core/pen/source/posix/file_system.cpp

@@ -37,7 +37,7 @@
 #else
 #define WRITE_FILE_DEPENDENCIES(fn)
 #endif
-
+#if 0
 namespace
 {
     // utility function to output file dependencies use by a pmtech app to trim data sizes in wasm .data bundles
@@ -343,3 +343,4 @@ namespace pen
         return 0;
     }
 } // namespace pen
+#endif

examples/premake5.lua

@@ -19,6 +19,9 @@ solution ("pmtech_examples_" .. platform)
     }
 
     if platform == "android" then
+        defines {
+            "PEN_PLATFORM_ANDROID"
+        }
         androidnamespace "com.pmtech.examples"
         androidabis { "armeabi-v7a", "arm64-v8a" }
         gradleversion "com.android.tools.build:gradle:8.2.2"
@@ -30,9 +33,9 @@ solution ("pmtech_examples_" .. platform)
             "mavenCentral()"
         }
         androiddependencies {
-            "com.android.support:appcompat-v7:+",
-            "com.android.support:support-v4:25.0.0",
-            "com.android.support:design:25.0.0"
+            --"com.android.support:appcompat-v7:+",
+            --"com.android.support:support-v4:25.0.0",
+            --"com.android.support:design:25.0.0"
         }
         gradleproperties {
             "org.gradle.jvmargs=-Xmx4608m --add-exports=java.base/sun.nio.ch=ALL-UNNAMED --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.lang.reflect=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED --add-exports=jdk.unsupported/sun.misc=ALL-UNNAMED",