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Examples: GLFW+WebGPU: update to latest specs and to work on Emscripten 4.0.10+ and latest Dawn-Native, WGPU-Native. (#8381, #8567, #8191, #7435)

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BrutPitt
2025-10-31 18:58:05 +01:00
committed by ocornut
parent c5b2a848fa
commit 778aed9966
6 changed files with 651 additions and 266 deletions
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24
examples/example_glfw_wgpu/Makefile.emscripten
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@@ -6,8 +6,8 @@
# This Makefile assumes you have loaded emscripten's environment.
# (On Windows, you may need to execute emsdk_env.bat or encmdprompt.bat ahead)
#
# Running `make` will produce three files:
# - web/index.html (current stored in the repository)
# Running `make -f Makefile.emscripten` will produce three files:
# - web/index.html
# - web/index.js
# - web/index.wasm
#
@@ -16,7 +16,7 @@
CC = emcc
CXX = em++
WEB_DIR = web
EXE = $(WEB_DIR)/index.js
EXE = $(WEB_DIR)/index.html
IMGUI_DIR = ../..
SOURCES = main.cpp
SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp
@@ -34,15 +34,19 @@ EMS =
# ("EMS" options gets added to both CPPFLAGS and LDFLAGS, whereas some options are for linker only)
# Note: For glfw, we use emscripten-glfw port (contrib.glfw3) instead of (-s USE_GLFW=3) to get a better support for High DPI displays.
EMS += -s DISABLE_EXCEPTION_CATCHING=1 --use-port=contrib.glfw3
LDFLAGS += -s WASM=1 -s ALLOW_MEMORY_GROWTH=1 -s NO_EXIT_RUNTIME=0 -s ASSERTIONS=1
LDFLAGS += -s WASM=1
LDFLAGS += -s ALLOW_MEMORY_GROWTH=1
LDFLAGS += -s ASYNCIFY=1
LDFLAGS += -s NO_EXIT_RUNTIME=0
LDFLAGS += -s ASSERTIONS=1
# (1) Using legacy WebGPU implementation (Emscripten < 4.0.10)
EMS += -DIMGUI_IMPL_WEBGPU_BACKEND_WGPU
LDFLAGS += -s USE_WEBGPU=1
#EMS += -DIMGUI_IMPL_WEBGPU_BACKEND_WGPU
#LDFLAGS += -s USE_WEBGPU=1
# or (2) Using newer Dawn-based WebGPU port (Emscripten >= 4.0.10) (UNSUPPORTED YET)
#EMS += --use-port=emdawnwebgpu
#LDFLAGS += --use-port=emdawnwebgpu
# or (2) Using newer Dawn-based WebGPU port (Emscripten >= 4.0.10)
EMS += --use-port=emdawnwebgpu
LDFLAGS += --use-port=emdawnwebgpu
# Build as single file (binary text encoded in .html file)
#LDFLAGS += -sSINGLE_FILE
@@ -67,7 +71,7 @@ endif
CPPFLAGS += -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends
#CPPFLAGS += -g
CPPFLAGS += -Wall -Wformat -Os $(EMS)
#LDFLAGS += --shell-file shell_minimal.html
LDFLAGS += --shell-file ../libs/emscripten/shell_minimal.html
LDFLAGS += $(EMS)
##---------------------------------------------------------------------