- More implementations and dependencies for Linux Wayland support

2025-07-26 20:57:25 -04:00
parent 7ea2710ee0
commit 7493b5252a
78 changed files with 3733 additions and 316 deletions
--- a/cmake/build.cmake
+++ b/cmake/build.cmake
@@ -16,6 +16,8 @@
 #  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # ======================================================================================================================

+# this script handles functionality related to the build process and its info
+
 string(TOLOWER ${CMAKE_BUILD_TYPE} FENNEC_BUILD_NAME)
 message(STATUS "Build: ${FENNEC_BUILD_NAME}")

--- a/cmake/compiler.cmake
+++ b/cmake/compiler.cmake
@@ -16,6 +16,8 @@
 #  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # ======================================================================================================================

+# this script finds the compiler being used
+
 if(${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
 set(FENNEC_COMPILER "GCC")
 include("${FENNEC_SOURCE_DIR}/cmake/gcc.cmake")
--- a/cmake/default_user.cmake
+++ b/cmake/default_user.cmake
@@ -0,0 +1,35 @@
+# ======================================================================================================================
+#  fennec, a free and open source game engine
+#  Copyright © 2025  Medusa Slockbower
+#
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+# ======================================================================================================================
+
+# sets up cmake variables for client vs server
+if(FENNEC_USER_CLIENT)
+    set(FENNEC_USER_CLIENT 1)
+    set(FENNEC_USER_SERVER 0)
+
+    list(APPEND FENNEC_COMPILE_DEFINITIONS FENNEC_USER_CLIENT=1)
+elseif(FENNEC_USER_SERVER)
+    set(FENNEC_USER_CLIENT 0)
+    set(FENNEC_USER_SERVER 1)
+
+    list(APPEND FENNEC_COMPILE_DEFINITIONS FENNEC_USER_SERVER=1)
+else()
+    set(FENNEC_USER_CLIENT 1)
+    set(FENNEC_USER_SERVER 0)
+
+    list(APPEND FENNEC_COMPILE_DEFINITIONS FENNEC_USER_CLIENT=1)
+endif()
--- a/cmake/gcc.cmake
+++ b/cmake/gcc.cmake
@@ -16,8 +16,10 @@
 #  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # ======================================================================================================================

+# this script sets flags and variables for gnu and gnu-like compilers
+
 add_compile_options("-mxsave" "-Wall" "-Wextra" "-pedantic" "-Werror")

 set(FENNEC_PRIVATE_LINK_OPTIONS "-nostdlib" "-fno-exceptions" "-fno-rtti" "-fdiagnostics-all-candidates")

-list(APPEND FENNEC_COMPILE_DEFINITIONS FENNEC_COMPILER_GCC=1)
+list(APPEND FENNEC_COMPILE_DEFINITIONS FENNEC_COMPILER_GCC=1 FENNEC_NO_INLINE=[[gnu::noinline]])
--- a/cmake/linux.cmake
+++ b/cmake/linux.cmake
@@ -16,6 +16,7 @@
 #  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # ======================================================================================================================

+# this script finds and loads libraries related to the Linux operating system. It also sets platform specific variables.

 macro(fennec_check_platform)
    # unix
@@ -32,9 +33,10 @@ macro(fennec_check_platform)
            include/fennec/platform/linux/platform.h source/platform/linux/platform.cpp
    )

-    # includes
-    include("${FENNEC_SOURCE_DIR}/cmake/wayland.cmake")
+    if(FENNEC_USER_CLIENT)
+        include("${FENNEC_SOURCE_DIR}/cmake/wayland.cmake")
+
+        fennec_check_wayland()
+    endif()

-    # tests
-    fennec_check_wayland()
 endmacro()
--- a/cmake/opengl.cmake
+++ b/cmake/opengl.cmake
@@ -0,0 +1,48 @@
+# ======================================================================================================================
+#  fennec, a free and open source game engine
+#  Copyright © 2025  Medusa Slockbower
+#
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+# ======================================================================================================================
+
+find_package(OpenGL)
+
+if(TARGET OpenGL::GL) # Core OpenGL Desktop Profile
+    list(APPEND FENNEC_LINK_LIBRARIES OpenGL::OpenGL)
+    list(APPEND FENNEC_COMPILE_DEFINITIONS FENNEC_GRAPHICS_OPENGL=1)
+
+elseif(TARGET OpenGL::GLES3) # OpenGL for Embedded Systems 3
+    list(APPEND FENNEC_LINK_LIBRARIES OpenGL::GLES3)
+    list(APPEND FENNEC_COMPILE_DEFINITIONS FENNEC_GRAPHICS_GLES3=1)
+
+elseif (TARGET OpenGL::GLES2) # OpenGL for Embedded Systems 2
+    list(APPEND FENNEC_LINK_LIBRARIES OpenGL::GLES2)
+    list(APPEND FENNEC_COMPILE_DEFINITIONS FENNEC_GRAPHICS_GLES2=1)
+
+else()
+    message(FATAL_ERROR "No Suitable OpenGL implementation found.")
+endif()
+
+if(FENNEC_GRAPHICS_WANT_EGL)
+    if(NOT TARGET OpenGL::EGL)
+        message(FATAL_ERROR "EGL Library not found.")
+    endif()
+
+    list(APPEND FENNEC_LINK_LIBRARIES OpenGL::EGL)
+    list(APPEND FENNEC_COMPILE_DEFINITIONS FENNEC_GRAPHICS_EGL=1)
+    list(APPEND FENNEC_EXTRA_SOURCES
+            include/fennec/platform/opengl/egl/context.h
+            include/fennec/platform/opengl/egl/surface.h
+    )
+endif()
--- a/cmake/platform.cmake
+++ b/cmake/platform.cmake
@@ -16,10 +16,19 @@
 #  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # ======================================================================================================================

+# this script finds the operating system of the build environment
+
 message(STATUS "OS: ${CMAKE_SYSTEM_NAME}")

+include("${FENNEC_SOURCE_DIR}/cmake/default_user.cmake")
+
 # Check for Linux
 if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
    set(FENNEC_PLATFORM "Linux")
    include("${FENNEC_SOURCE_DIR}/cmake/linux.cmake")
-endif ()
+endif ()
+
+# Graphics APIs
+if(FENNEC_USER_CLIENT)
+    include("${FENNEC_SOURCE_DIR}/cmake/opengl.cmake")
+endif()
--- a/cmake/unix.cmake
+++ b/cmake/unix.cmake
@@ -16,6 +16,8 @@
 #  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # ======================================================================================================================

+# generic unix functionality
+
 # compile definitions
 list(APPEND FENNEC_COMPILE_DEFINITIONS
        FENNEC_PLATFORM_UNIX=1
--- a/cmake/version.cmake
+++ b/cmake/version.cmake
@@ -0,0 +1,33 @@
+# ======================================================================================================================
+#  fennec, a free and open source game engine
+#  Copyright © 2025  Medusa Slockbower
+#
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+# ======================================================================================================================
+
+# this script contains the main version
+
+set(FENNEC_VERSION_MAJOR 0)
+set(FENNEC_VERSION_MINOR 1)
+set(FENNEC_VERSION_PATCH 0)
+set(FENNEC_VERSION_STRING "${FENNEC_VERSION_MAJOR}.${FENNEC_VERSION_MINOR}.${FENNEC_VERSION_PATCH}")
+math(EXPR FENNEC_VERSION_NUM "(${FENNEC_VERSION_MAJOR} << 16) | (${FENNEC_VERSION_MINOR} << 8) | ${FENNEC_VERSION_PATCH}")
+
+list(APPEND FENNEC_COMPILE_DEFINITIONS
+        FENNEC_VERSION_MAJOR=${FENNEC_VERSION_MAJOR}
+        FENNEC_VERSION_MINOR=${FENNEC_VERSION_MINOR}
+        FENNEC_VERSION_PATCH=${FENNEC_VERSION_PATCH}
+        FENNEC_VERSION_STRING=${FENNEC_VERSION_STRING}
+        FENNEC_VERSION_NUM=${FENNEC_VERSION_NUM}
+)
--- a/cmake/wayland.cmake
+++ b/cmake/wayland.cmake
@@ -17,6 +17,7 @@
 # ======================================================================================================================

 # https://gist.github.com/mariobadr/acc3c8adf4b4e722705be38c3deac59a
+# this script finds libwayland and dependencies

 macro(fennec_check_wayland)
    set(WAYLAND_CLIENT_FOUND 0)
@@ -25,39 +26,55 @@ macro(fennec_check_wayland)
            WAYLAND_CLIENT_INCLUDE_DIR
            NAMES wayland-client.h
    )
-
    find_library(
            WAYLAND_CLIENT_LIBRARY
            NAMES wayland-client libwayland-client
    )
-    get_filename_component(
-            WAYLAND_CLIENT_LIBRARY
-            ${WAYLAND_CLIENT_LIBRARY}
-            NAME
+
+    # EGL is required
+    find_path(
+            WAYLAND_EGL_INCLUDE_DIR
+            NAMES wayland-egl.h
+    )
+    find_library(
+            WAYLAND_EGL_LIBRARY
+            NAMES wayland-egl libwayland-egl
    )

-    if(WAYLAND_CLIENT_INCLUDE_DIR AND WAYLAND_CLIENT_LIBRARY)
-        set(WAYLAND_CLIENT_FOUND 1)
-        add_library(wayland::client UNKNOWN IMPORTED)
-
-        set_target_properties(
-                wayland::client PROPERTIES
-                INTERFACE_INCLUDE_DIRECTORIES "${WAYLAND_CLIENT_INCLUDE_DIR}"
-                IMPORTED_LINK_INTERFACE_LANGUAGES "C"
-                IMPORTED_LOCATION "${WAYLAND_CLIENT_LIBRARY}"
+    if( (WAYLAND_CLIENT_INCLUDE_DIR AND WAYLAND_CLIENT_LIBRARY)
+    AND (WAYLAND_EGL_INCLUDE_DIR AND WAYLAND_EGL_LIBRARY))
+        get_filename_component(
+                WAYLAND_CLIENT_LIBRARY
+                ${WAYLAND_CLIENT_LIBRARY}
+                NAME
        )
+        get_filename_component(
+                WAYLAND_EGL_LIBRARY
+                ${WAYLAND_EGL_LIBRARY}
+                NAME
+        )
+
+        set(WAYLAND_CLIENT_FOUND 1)
+        set(WAYLAND_EGL_FOUND 1)
+        set(FENNEC_GRAPHICS_WANT_EGL 1)

        list(APPEND FENNEC_EXTRA_SOURCES
                # Dynamic Library Files
                include/fennec/platform/linux/wayland/lib/fwd.h
                include/fennec/platform/linux/wayland/lib/sym.h
-                include/fennec/platform/linux/wayland/lib/sym_def.h
+                include/fennec/platform/linux/wayland/lib/wayland-client.h
+                include/fennec/platform/linux/wayland/lib/wayland-util.h
                include/fennec/platform/linux/wayland/lib/dyn.h source/platform/linux/wayland/lib/dyn.cpp

                # Fennec Files
-                include/fennec/platform/linux/wayland/display.h source/platform/linux/wayland/display.cpp
+                include/fennec/platform/linux/wayland/displaydev.h source/platform/linux/wayland/displaydev.cpp
+                include/fennec/platform/linux/wayland/window.h     source/platform/linux/wayland/window.cpp
        )

-        list(APPEND FENNEC_COMPILE_DEFINITIONS FENNEC_LIB_WAYLAND="${WAYLAND_CLIENT_LIBRARY}")
+        list(APPEND FENNEC_COMPILE_DEFINITIONS
+                FENNEC_HAS_WAYLAND=1
+                FENNEC_LIB_WAYLAND="${WAYLAND_CLIENT_LIBRARY}"
+                FENNEC_LIB_WAYLAND_EGL="${WAYLAND_EGL_LIBRARY}"
+        )
    endif()
 endmacro()