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Enable font loading for wasm builds.

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PiperOrigin-RevId: 842627994
Change-Id: I347f79ec668f31a8bbc4d26638a045e29084d715
This commit is contained in:
Haroon Qureshi
2025-12-10 02:30:35 -08:00
committed by Copybara-Service
parent f06aa45ea6
commit 9c1b8d8cfb
2 changed files with 20 additions and 19 deletions
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src/experimental/platform/window.cc
+19 -19
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@@ -41,7 +41,7 @@ extern void* GetNativeWindowOsx(void* window);
namespace mujoco::platform { namespace mujoco::platform {
static void InitImGui(SDL_Window* window, const LoadAssetFn& load_asset_fn, static void InitImGui(SDL_Window* window, const LoadAssetFn& load_asset_fn,
bool build_fonts) { bool load_fonts, bool build_fonts) {
ImGui::CreateContext(); ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); ImGuiIO& io = ImGui::GetIO();
@@ -51,25 +51,24 @@ static void InitImGui(SDL_Window* window, const LoadAssetFn& load_asset_fn,
ImGui::StyleColorsDark(); ImGui::StyleColorsDark();
ImGui_ImplSDL2_InitForOther(window); ImGui_ImplSDL2_InitForOther(window);
#ifndef __EMSCRIPTEN__ if (load_fonts) {
// TODO: Get font loading working for wasm. // Note: fonts are stored statically because they aren't actually loaded
// Note: fonts are stored statically because they aren't actually loaded // until the fonts are built.
// until the fonts are built. ImFontConfig main_cfg;
ImFontConfig main_cfg; static auto main_font = load_asset_fn("OpenSans-Regular.ttf");
static auto main_font = load_asset_fn("OpenSans-Regular.ttf"); io.Fonts->AddFontFromMemoryTTF(main_font.data(), main_font.size(), 20.f,
io.Fonts->AddFontFromMemoryTTF(main_font.data(), main_font.size(), 20.f, &main_cfg);
&main_cfg);
ImFontConfig icon_cfg; ImFontConfig icon_cfg;
icon_cfg.MergeMode = true; icon_cfg.MergeMode = true;
static auto icon_font = load_asset_fn("fontawesome-webfont.ttf"); static auto icon_font = load_asset_fn("fontawesome-webfont.ttf");
constexpr ImWchar icon_ranges[] = {0xf000, 0xf3ff, 0x000}; constexpr ImWchar icon_ranges[] = {0xf000, 0xf3ff, 0x000};
io.Fonts->AddFontFromMemoryTTF(icon_font.data(), icon_font.size(), 14.f, io.Fonts->AddFontFromMemoryTTF(icon_font.data(), icon_font.size(), 14.f,
&icon_cfg, icon_ranges); &icon_cfg, icon_ranges);
#endif
if (build_fonts) { if (build_fonts) {
io.Fonts->Build(); io.Fonts->Build();
}
} }
} }
@@ -114,7 +113,8 @@ Window::Window(std::string_view title, int width, int height, Config config,
mju_error("Error creating window: %s", SDL_GetError()); mju_error("Error creating window: %s", SDL_GetError());
} }
InitImGui(sdl_window_, load_asset_fn, (render_config != kClassicOpenGL)); InitImGui(sdl_window_, load_asset_fn, config.load_fonts,
(render_config != kClassicOpenGL));
if (render_config == kFilamentWebGL || render_config == kClassicOpenGL) { if (render_config == kFilamentWebGL || render_config == kClassicOpenGL) {
SDL_GLContext gl_context = SDL_GL_CreateContext(sdl_window_); SDL_GLContext gl_context = SDL_GL_CreateContext(sdl_window_);
src/experimental/platform/window.h
+1
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@@ -40,6 +40,7 @@ class Window {
struct Config { struct Config {
RenderConfig render_config = kClassicOpenGL; RenderConfig render_config = kClassicOpenGL;
bool enable_keyboard = true; bool enable_keyboard = true;
bool load_fonts = true;
}; };
Window(std::string_view title, int width, int height, Config config, Window(std::string_view title, int width, int height, Config config,