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mangoconfig

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This is mangohud compiled with emscripten to be run inside a browser
mangoconfig
FlightlessMango 8 months ago
parent 3694e22d3b
commit ea3cd9e67d
9 changed files with 395 additions and 0 deletions
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9
.gitignore vendored
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@ -43,6 +43,15 @@ subprojects/imgui-*/
subprojects/spdlog-*/
subprojects/nlohmann_json-*/
subprojects/implot-*/
mangoconfig/subprojects/packagecache/
mangoconfig/subprojects/Vulkan-Headers-*/
mangoconfig/subprojects/imgui-*/
mangoconfig/subprojects/spdlog-*/
mangoconfig/subprojects/nlohmann_json-*/
mangoconfig/subprojects/implot-*/
mangoconfig/subprojects/nlohmann_json.wrap
mangoconfig/subprojects/spdlog.wrap
mangoconfig/subprojects/vulkan-headers.wrap
#GNU Global Metadata
**/GPATH

38
mangoconfig/emscripten.cpp
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#include <string>
#include <vector>
std::string get_data_dir()
{
return std::string();
}
std::string get_config_dir()
{
return std::string();
}
std::string get_exe_path()
{
return std::string();
}
std::string get_wine_exe_name(bool keep_ext)
{
return std::string();
}
enum LS_FLAGS
{
LS_DIRS = 0x01,
LS_FILES = 0x02,
};
std::vector<std::string> ls(const char* root, const char* prefix, LS_FLAGS flags)
{
std::vector<std::string> list;
return list;
}
bool file_exists(const std::string& path){
return "";
}

15
mangoconfig/emscripten.cross
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[binaries]
c = '/usr/lib/emscripten/emcc'
cpp = '/usr/lib/emscripten/em++'
ar = '/usr/lib/emscripten/emar'
strip = '/usr/lib/emscripten/emstrip'
pkgconfig = ['/usr/lib/emscripten/emconfigure', 'pkg-config']
[properties]
needs_exe_wrapper = true
[host_machine]
system = 'emscripten'
cpu_family = 'wasm32'
cpu = 'wasm32'
endian = 'little'

86
mangoconfig/imgui.html
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<!doctype html>
<html lang="en-us">
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>WebGui Demo</title>
<style>
body {
font-family: arial;
margin: 0;
padding: none;
}
.emscripten { padding-right: 0; margin-left: auto; margin-right: auto; display: block; }
div.emscripten { text-align: center; }
div.emscripten_border { border: none; }
/* the canvas *must not* have any border or padding, or mouse coords will be wrong */
canvas.emscripten { border: 0px none; background-color: black; }
#canvas {
background-color: transparent;
}
.container {
position: relative;
}
.background {
position: absolute;
top: 0;
left: 0;
z-index: -1; /* Position behind the canvas */
}
.emscripten_border {
position: relative;
z-index: 1; /* Position in front of the background div */
}
</style>
</head>
<body>
<div class="container">
<div id="backgroundDiv" class="background" style="color: red;">asdf</div>
<div class="emscripten_border">
<canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault()"></canvas>
</div>
</div>
<script type='text/javascript'>
var Module = {
preRun: [],
postRun: [],
print: (function() {})(),
printErr: function(text) {},
canvas: (function() {
var canvas = document.getElementById('canvas');
// As a default initial behavior, pop up an alert when webgl context is lost. To make your
// application robust, you may want to override this behavior before shipping!
// See http://www.khronos.org/registry/webgl/specs/latest/1.0/#5.15.2
canvas.addEventListener("webglcontextlost", function(e) { alert('WebGL context lost. You will need to reload the page.'); e.preventDefault(); }, false);
return canvas;
})(),
setStatus: function(text) {},
totalDependencies: 0,
monitorRunDependencies: function(left) {}
};
window.addEventListener('resize', js_resizeCanvas, false);
function js_resizeCanvas() {
document.getElementById('canvas').width = window.innerWidth;
document.getElementById('canvas').height = window.innerHeight;
}
function updateBackgroundSize() {
var canvas = document.getElementById('canvas');
var backgroundDiv = document.getElementById('backgroundDiv');
backgroundDiv.style.width = canvas.clientWidth + 'px';
backgroundDiv.style.height = canvas.clientHeight + 'px';
}
// Update the background div size whenever the canvas size changes.
window.addEventListener('resize', updateBackgroundSize);
// Initial size update.
updateBackgroundSize();
</script>
<script async type="text/javascript" src="imgui.js"></script>
</body>
</html>

174
mangoconfig/main.cpp
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#include <stdio.h>
#ifdef __EMSCRIPTEN__
#include <emscripten.h>
#include <emscripten/html5.h>
#endif
#define GLFW_INCLUDE_ES3
#include <GLES3/gl3.h>
#include <GLFW/glfw3.h>
#include "imgui.h"
#include "imgui_impl_glfw.h"
#include "imgui_impl_opengl3.h"
#include <iostream>
#include "hud_elements.h"
#include "overlay.h"
#include "font_default.h"
GLFWwindow* g_window;
ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
bool show_demo_window = true;
bool show_another_window = false;
int g_width;
int g_height;
swapchain_stats sw_stats {};
overlay_params params {};
static ImVec2 window_size;
static uint32_t vendorID;
static std::string deviceName;
static int msgid;
static bool mangoapp_paused = false;
// Function used by c++ to get the size of the html canvas
EM_JS(int, canvas_get_width, (), {
return Module.canvas.width;
});
// Function used by c++ to get the size of the html canvas
EM_JS(int, canvas_get_height, (), {
return Module.canvas.height;
});
// Function called by javascript
EM_JS(void, resizeCanvas, (), {
js_resizeCanvas();
});
void on_size_changed()
{
glfwSetWindowSize(g_window, g_width, g_height);
ImGui::SetCurrentContext(ImGui::GetCurrentContext());
}
void loop()
{
int width = canvas_get_width();
int height = canvas_get_height();
if (width != g_width || height != g_height)
{
g_width = width;
g_height = height;
on_size_changed();
}
glfwPollEvents();
ImGui_ImplOpenGL3_NewFrame();
ImGui_ImplGlfw_NewFrame();
ImGui::NewFrame();
update_hud_info(sw_stats, params, vendorID);
overlay_new_frame(params);
position_layer(sw_stats, params, window_size);
render_imgui(sw_stats, params, window_size, true);
overlay_end_frame();
ImGui::Render();
int display_w, display_h;
glfwMakeContextCurrent(g_window);
glfwGetFramebufferSize(g_window, &display_w, &display_h);
glViewport(0, 0, display_w, display_h);
EmscriptenWebGLContextAttributes attrs;
emscripten_webgl_init_context_attributes(&attrs);
attrs.alpha = EM_TRUE;
glEnable(GL_DEPTH_TEST);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glClearColor(0, 0, 0, 0.8);
glClear(GL_COLOR_BUFFER_BIT);
ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
glfwMakeContextCurrent(g_window);
}
int init_gl()
{
if( !glfwInit() )
{
fprintf( stderr, "Failed to initialize GLFW\n" );
return 1;
}
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // We don't want the old OpenGL
glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
glfwWindowHint(GLFW_TRANSPARENT_FRAMEBUFFER, 1);
// Open a window and create its OpenGL context
int canvasWidth = g_width;
int canvasHeight = g_height;
g_window = glfwCreateWindow(canvasWidth, canvasHeight, "WebGui Demo", NULL, NULL);
if( g_window == NULL )
{
fprintf( stderr, "Failed to open GLFW window.\n" );
glfwTerminate();
return -1;
}
glfwMakeContextCurrent(g_window); // Initialize GLEW
return 0;
}
int init_imgui()
{
// Setup Dear ImGui binding
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGui_ImplGlfw_InitForOpenGL(g_window, true);
ImGui_ImplOpenGL3_Init();
// Setup style
// ImGui::StyleColorsDark();
ImGuiIO& io = ImGui::GetIO();
create_fonts(nullptr, params, sw_stats.font1, sw_stats.font_text);
parse_overlay_config(&params, "MANGOHUD_CONFIG", false);
HUDElements.convert_colors(params);
sw_stats.engine = EngineTypes::VULKAN;
resizeCanvas();
return 0;
}
int init()
{
init_gl();
init_imgui();
return 0;
}
void quit()
{
glfwTerminate();
}
extern "C" int main(int argc, char** argv)
{
g_width = canvas_get_width();
g_height = canvas_get_height();
if (init() != 0) return 1;
#ifdef __EMSCRIPTEN__
emscripten_set_main_loop(loop, 0, 1);
#endif
quit();
return 0;
}

69
mangoconfig/meson.build
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project('imgui_project', 'cpp',
default_options : ['cpp_std=c++17'])
imgui_options = [
'default_library=static',
'werror=false',
# use 'auto_features=disabled' once available: https://github.com/mesonbuild/meson/issues/5320
'dx9=disabled',
'dx10=disabled',
'dx11=disabled',
'dx12=disabled',
'metal=disabled',
'opengl=enabled',
'vulkan=disabled',
'glfw=enabled',
'sdl2=disabled',
'osx=disabled',
'win=disabled',
'allegro5=disabled',
'webgpu=disabled'
]
mangohud_options = [
'with_nvml=disabled',
'with_xnvctrl=disabled',
'with_dbus=disabled',
'with_spdlog=disabled'
]
dearimgui_sp = subproject('imgui', default_options: imgui_options)
dearimgui_dep = dearimgui_sp.get_variable('imgui_dep')
glfw_dep = dependency('glfw3')
mangohud_sp = subproject('mangohud', default_options: mangohud_options)
# spdlog_dep = mangohud_sp.get_variable('spdlog_dep')
mangohud_static = mangohud_sp.get_variable('mangohud_static_lib')
sources = [
'main.cpp',
'emscripten.cpp'
]
cxx_flags = [
'-O2',
'-s', 'USE_WEBGL2=1',
'-s', 'USE_GLFW=3',
'-s', 'FULL_ES3=1',
'-s', 'WASM=1',
'--preload-file data',
'--source-map',
'-s', 'ASSERTIONS=1',
'-s', 'TOTAL_MEMORY=512MB',
'-s', 'USE_PTHREADS=1',
]
libs = ['-lGL']
spdlog_dep = mangohud_sp.get_variable('spdlog_dep')
executable('imgui', sources,
dependencies : [], # add deps if any
c_args : cxx_flags,
objects: mangohud_static.extract_all_objects(),
# link_with: mangohud_static,
include_directories: mangohud_sp.get_variable('inc_common'),
link_args : libs,
native: false,
dependencies: [dearimgui_dep, glfw_dep])
configure_file(input: 'imgui.html', output: 'imgui.html', copy: true)

1
mangoconfig/subprojects/imgui.wrap
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../../subprojects/imgui.wrap

1
mangoconfig/subprojects/mangohud
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../../

2
mangoconfig/subprojects/mangohud.wrap
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[wrap-file]
directory = mangohud
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