Add WebGPU Backend w/ Dawn Support (#3838)

CMakeLists.txt

@@ -12,6 +12,7 @@ option(MLN_WITH_OPENGL "Build with OpenGL renderer" OFF)
 option(MLN_WITH_EGL "Build with EGL renderer" OFF)
 option(MLN_WITH_VULKAN "Build with Vulkan renderer" OFF)
 option(MLN_WITH_METAL "Build with Metal renderer" OFF)
+option(MLN_WITH_WEBGPU "Build with WebGPU renderer" OFF)
 option(MLN_WITH_PMTILES "Build with PMTiles support" ON)
 option(MLN_WITH_WERROR "Make all compilation warnings errors" ON)
 option(MLN_USE_UNORDERED_DENSE "Use ankerl dense containers for performance" ON)
@@ -1309,6 +1310,119 @@ if(MLN_WITH_VULKAN)
     )
 endif()
 
+if(MLN_WITH_WEBGPU)
+    message(STATUS "Configuring WebGPU renderer backend")
+
+    target_compile_definitions(
+        mbgl-core
+        PUBLIC
+            MLN_RENDER_BACKEND_WEBGPU=1
+    )
+
+    list(APPEND
+        SRC_FILES
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/buffer_resource.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/context.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/command_encoder.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/headless_backend.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/renderer_backend.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/drawable.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/drawable_builder.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/draw_scope_resource.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/uniform_buffer.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/shader_program.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/wgsl_preprocessor.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/background.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/circle.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/clipping_mask.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/collision.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/custom_geometry.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/custom_symbol_icon.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/debug.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/fill.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/fill_extrusion.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/heatmap.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/heatmap_texture.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/hillshade.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/hillshade_prepare.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/line.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/location_indicator.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/raster.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/symbol.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/widevector.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/vertex_buffer_resource.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/vertex_attribute.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/texture2d.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/offscreen_texture.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/tile_layer_group.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/layer_group.cpp
+    )
+
+    list(APPEND
+        INCLUDE_FILES
+            ${PROJECT_SOURCE_DIR}/include/mbgl/webgpu/buffer_resource.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/webgpu/command_encoder.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/webgpu/context.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/webgpu/drawable.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/webgpu/drawable_builder.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/webgpu/index_buffer_resource.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/webgpu/render_pass.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/webgpu/renderer_backend.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/shader_program.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/background.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/circle.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/clipping_mask.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/collision.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/common.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/custom_geometry.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/custom_symbol_icon.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/debug.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/fill.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/fill_extrusion.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/heatmap.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/heatmap_texture.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/hillshade.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/hillshade_prepare.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/line.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/location_indicator.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/raster.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/symbol.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/shaders/webgpu/widevector.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/webgpu/texture2d.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/webgpu/uniform_buffer.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/webgpu/upload_pass.hpp
+            ${PROJECT_SOURCE_DIR}/include/mbgl/webgpu/vertex_buffer_resource.hpp
+    )
+
+    list(APPEND
+        SRC_FILES
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/buffer_resource.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/command_encoder.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/context.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/drawable.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/drawable_builder.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/index_buffer_resource.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/render_pass.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/renderer_backend.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/shaders/webgpu/shader_program.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/texture2d.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/uniform_buffer.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/upload_pass.cpp
+            ${PROJECT_SOURCE_DIR}/src/mbgl/webgpu/vertex_buffer_resource.cpp
+    )
+
+    # Include WebGPU vendor configuration (Dawn or wgpu)
+    include(${PROJECT_SOURCE_DIR}/vendor/webgpu.cmake)
+
+    # Include Dawn integration when requested
+    if(MLN_WEBGPU_IMPL STREQUAL "dawn")
+        include(${PROJECT_SOURCE_DIR}/vendor/dawn.cmake)
+        if(TARGET mbgl-vendor-dawn)
+            target_link_libraries(mbgl-core PUBLIC mbgl-vendor-dawn)
+        endif()
+    endif()
+endif()
+
 list(APPEND
     SRC_FILES
         ${PROJECT_SOURCE_DIR}/src/mbgl/layermanager/custom_drawable_layer_factory.cpp
@@ -1515,6 +1629,10 @@ if(MLN_TEXT_SHAPING_HARFBUZZ)
     list(APPEND EXPORT_TARGETS mbgl-freetype mbgl-harfbuzz)
 endif()
 
+if(TARGET mbgl-vendor-dawn)
+    list(APPEND EXPORT_TARGETS mbgl-vendor-dawn)
+endif()
+
 export(TARGETS ${EXPORT_TARGETS} FILE MapboxCoreTargets.cmake)
 
 if(MLN_WITH_VULKAN)