module c

import sokol.memory as _

#flag -I @VEXEROOT/thirdparty/sokol
#flag -I @VEXEROOT/thirdparty/sokol/util
#flag freebsd -I /usr/local/include
#flag darwin -fobjc-arc

// Platform-specific library linking
// X11 is the default on Linux
// Use `-d sokol_wayland` to enable Wayland support
#flag linux -DSOKOL_GLCORE
$if sokol_wayland ? {
    #flag linux -lwayland-client -lwayland-egl -lxkbcommon -lxkbcommon-x11 -lEGL -lGL -lpthread -lm -ldl -lX11 -lXi -lXcursor
} $else {
    // EGL is used instead of GLX on X11 to get consistent vsync under XWayland.
    // GLX vsync is often ignored by XWayland compositors, causing frame pacing
    // jitter. EGL honours the swap interval reliably on both native X11 and
    // XWayland sessions.
    #flag linux -lX11 -lXi -lXcursor -lEGL -lGL -lpthread -lm -ldl
}
#flag freebsd -DSOKOL_GLCORE
#flag freebsd -L/usr/local/lib -lX11 -lGL -lXcursor -lXi
#flag openbsd -DSOKOL_GLCORE
#flag openbsd -I/usr/X11R6/include -L/usr/X11R6/lib -lX11 -lGL -lXcursor -lXi
#flag windows -DSOKOL_GLCORE
#flag windows -lgdi32

$if windows {
    #flag windows -lopengl32
    $if msvc {
        $if livemain ? {
            #define SOKOL_DLL
        }
        $if sharedlive ? {
            #define SOKOL_DLL
        }
    }
}

// Note that -lm is needed *only* for sokol_gl.h's usage of sqrtf(),
// but without -lm, this fails:
// `v -cc gcc ~/.vmodules/sdl/examples/sdl_opengl_and_sokol/`
// With tcc, this succeeds with or without -lm:
// `v ~/.vmodules/sdl/examples/sdl_opengl_and_sokol/`
$if !tinyc {
    #flag linux -lm
}

// METAL
$if macos {
    $if darwin_sokol_glcore33 ? {
        #flag darwin -DSOKOL_GLCORE -framework OpenGL -framework Cocoa -framework QuartzCore
    } $else {
        #flag -DSOKOL_METAL
        #flag -framework Metal -framework Cocoa -framework MetalKit -framework QuartzCore
    }
}
$if ios {
    #flag -DSOKOL_METAL
    #flag -framework Foundation -framework Metal -framework MetalKit -framework UIKit
}

$if emscripten ? {
    #flag -DSOKOL_GLES3
    #flag -DSOKOL_NO_ENTRY
    #flag -s ERROR_ON_UNDEFINED_SYMBOLS=0
    #flag -s USE_WEBGL2
    $if !prod {
        #flag -s ASSERTIONS=1
    }
    $if prod {
        #flag -s ASSERTIONS=0
    }
    // See https://emscripten.org/docs/tools_reference/settings_reference.html#modularize
    // Note that it makes it impossible to use `v -os wasm32_emscripten -o file.html program.v` , due to:
    // https://github.com/emscripten-core/emscripten/issues/7950
    //    #flag -s MODULARIZE
}

// D3D
//#flag windows -DSOKOL_D3D11
#flag windows -DSOKOL_GLCORE

// for simplicity, all header includes are here because import order matters and we dont have any way
// to ensure import order with V yet

// TODO: should not be defined for android graphic (apk/aab using sokol) builds, but we have no ways to undefine
//#define SOKOL_NO_ENTRY
#flag linux   -DSOKOL_NO_ENTRY
#flag darwin  -DSOKOL_NO_ENTRY
#flag windows -DSOKOL_NO_ENTRY
#flag windows -DSOKOL_WIN32_FORCE_MAIN
#flag freebsd -DSOKOL_NO_ENTRY
#flag openbsd -DSOKOL_NO_ENTRY
#flag solaris -DSOKOL_NO_ENTRY
// TODO: end

#flag linux -ldl

// To allow for thirdparty initializing window / acceleration contexts
// but still be able to use sokol.gfx e.g. SDL+sokol_gfx
$if !no_sokol_app ? {
    $if linux && sokol_wayland ? {
        // Enable Wayland on Linux (when explicitly enabled with -d sokol_wayland)
        #define SOKOL_WAYLAND
        #flag -I@VEXEROOT/thirdparty/sokol
    } $else $if linux {
        // Explicitly disable Wayland on Linux when not using sokol_wayland
        #define SOKOL_DISABLE_WAYLAND
        // Force EGL instead of GLX so that eglSwapBuffers provides consistent
        // vsync pacing on both native X11 and XWayland sessions.
        #define SOKOL_FORCE_EGL
    }

    $if macos {
        $if sharedlive ? {
        } $else {
            // The live-reload dylib should reuse the host app's sokol_app symbols on macOS.
            #define SOKOL_APP_IMPL
        }
    } $else $if windows {
        $if sharedlive ? {
        } $else {
            // On Windows, the live-reload DLL links back to the host executable's
            // import library, so it should not embed its own sokol_app backend.
            #define SOKOL_APP_IMPL
        }
    } $else {
        #define SOKOL_APP_IMPL
    }

    @[use_once]
    #include "sokol_app.h"
}

$if windows && sharedlive ? {
} $else {
    @[use_once]
    #define SOKOL_GFX_IMPL
}
#define SOKOL_NO_DEPRECATED
#include "sokol_gfx.h"

$if windows && sharedlive ? {
} $else {
    @[use_once]
    #define SOKOL_IMPL
}
#include "util/sokol_gl.h"

#include "sokol_v.post.h"