emscripten / webasm full support

CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.25)
-project(graphs VERSION 0.0.15)
+project(graphs VERSION 0.0.16)
 
 option(ENABLE_ADDRSAN "Enable the address sanitizer" OFF)
 option(ENABLE_UBSAN "Enable the ub sanitizer" OFF)
@@ -38,5 +38,6 @@ if (${ENABLE_TSAN} MATCHES ON)
 endif ()
 
 if (EMSCRIPTEN)
-    set_target_properties(graphs PROPERTIES LINK_FLAGS "-sMAX_WEBGL_VERSION=2 -sASSERTIONS=1 -sUSE_GLFW=3")
+    set(BLT_PRELOAD_PATH "../res@../res")
+    include(lib/BLT-With-Graphics-Template/cmake/link_flags.cmake)
 endif ()

embuild.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
 cd cmake-build-emrelwithdebinfo
 emcmake cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo ../
+#emcmake cmake -DCMAKE_BUILD_TYPE=Release ../
 emmake make -j 16
-cp graphs.js graphs.wasm /var/www/html
+cp graphs.js graphs.data graphs.wasm /var/www/html

lib/BLT-With-Graphics-Template

@@ -1 +1 @@
-Subproject commit 7c7e97872da61d43400786e6da2a8d9d65b2e546
+Subproject commit 0233ce7549f5d0ef1df53157ed102e48f25c954e

src/main.cpp

@@ -28,13 +28,20 @@ blt::gfx::batch_renderer_2d renderer_2d(resources);
 blt::gfx::first_person_camera camera;
 blt::gfx::fbo_t render_texture;
 
+#ifdef __EMSCRIPTEN__
+    std::string resource_prefix = "../";
+#else
+    std::string resource_prefix = "../";
+#endif
+
 void init(const blt::gfx::window_context& context)
 {
     using namespace blt::gfx;
+    resources.setPrefixDirectory(resource_prefix);
     
-    resources.enqueue("./res/debian.png", "debian");
-    resources.enqueue("./res/parker.png", "parker");
-    resources.enqueue("./res/parker cat ears.jpg", "parkercat");
+    resources.enqueue("res/debian.png", "debian");
+    resources.enqueue("res/parker.png", "parker");
+    resources.enqueue("res/parker cat ears.jpg", "parkercat");
     
     global_matrices.create_internals();
     resources.load_resources();