Examples: GLFW+OpenGL3, GLFW+WGPU: Emscripten Makefiles uses port contrib.glfw3 (#8742)

This unofficial port offers a better support for HighDPI.
See
- https://emscripten.org/docs/compiling/Contrib-Ports.html
- https://github.com/pongasoft/emscripten-glfw
This commit is contained in:
Pascal Thomet
2025-06-27 16:36:43 +02:00
committed by ocornut
parent 18dca11dd0
commit ed7d965818
3 changed files with 8 additions and 4 deletions

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@@ -61,6 +61,8 @@ Other changes:
- Demo: Added "Text -> Font Size" demo section. (#8738) [@Demonese]
- CI: Fixed dllimport/dllexport tests. (#8757) [@AidanSun05]
- CI: Updated to use latest Windows image + VS2022.
- Examples: GLFW+OpenGL3, GLFW+WGPU: Emscripten Makefiles uses GLFW port
'contrib.glfw3' which offers better HiDPI support. (#8742) [@pthom]
- Backends: GLFW, SDL2 made ImGui_ImplGLFW_GetContentScaleXXX() and
ImGui_ImplSDL2_GetContentScaleXXXX() helpers return 1.0f on Emscripten
and Android platforms, matching macOS logic. (#8742, #8733) [@pthom]

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@@ -32,8 +32,9 @@ EMS =
##---------------------------------------------------------------------
# ("EMS" options gets added to both CPPFLAGS and LDFLAGS, whereas some options are for linker only)
EMS += -s DISABLE_EXCEPTION_CATCHING=1
LDFLAGS += -s USE_GLFW=3 -s WASM=1 -s ALLOW_MEMORY_GROWTH=1 -s NO_EXIT_RUNTIME=0 -s ASSERTIONS=1
# Note: For glfw, we use emscripten-glfw port (contrib.glfw3) instead of ('-s USE_GLFW=3' in LDFLAGS) to get a better support for High DPI displays.
EMS += -s DISABLE_EXCEPTION_CATCHING=1 --use-port=contrib.glfw3
LDFLAGS += -s WASM=1 -s ALLOW_MEMORY_GROWTH=1 -s NO_EXIT_RUNTIME=0 -s ASSERTIONS=1
# Build as single file (binary text encoded in .html file)
#LDFLAGS += -sSINGLE_FILE

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@@ -32,8 +32,9 @@ EMS =
##---------------------------------------------------------------------
# ("EMS" options gets added to both CPPFLAGS and LDFLAGS, whereas some options are for linker only)
EMS += -s DISABLE_EXCEPTION_CATCHING=1
LDFLAGS += -s USE_GLFW=3 -s USE_WEBGPU=1
# Note: For glfw, we use emscripten-glfw port (contrib.glfw3) instead of (-s USE_GLFW=3) to get a better support for High DPI displays.
EMS += -s DISABLE_EXCEPTION_CATCHING=1 --use-port=contrib.glfw3
LDFLAGS += -s USE_WEBGPU=1
LDFLAGS += -s WASM=1 -s ALLOW_MEMORY_GROWTH=1 -s NO_EXIT_RUNTIME=0 -s ASSERTIONS=1
# Build as single file (binary text encoded in .html file)