[build][ios] Enable support for Metal renderer

3 files changed, 109 insertions, 0 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fab5319f74..54214da897 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -41,6 +41,13 @@ option(MBGL_WITH_QT "Build Mapbox GL Qt bindings" OFF)
 option(MBGL_WITH_SANITIZER "Use [address|thread|undefined] here" OFF)
 option(MBGL_WITH_RTTI "Compile with runtime type information" OFF)
 option(MBGL_WITH_OPENGL "Build with OpenGL renderer" ON)
+option(MBGL_WITH_METAL "Build with Metal renderer" OFF)
+
+if(MBGL_WITH_OPENGL AND MBGL_WITH_METAL)
+    message("!! Both OpenGL and Metal renderer backend options selected")
+    message("!! Configuring GL-Native with Metal renderer backend")
+    set(MBGL_WITH_OPENGL OFF)
+endif()
 
 add_library(
     mbgl-compiler-options INTERFACE
diff --git a/platform/ios/ios.cmake b/platform/ios/ios.cmake
index 72a8878181..6b6dd4886c 100644
--- a/platform/ios/ios.cmake
+++ b/platform/ios/ios.cmake
@@ -27,6 +27,10 @@ if(MBGL_WITH_OPENGL)
     )
 endif()
 
+if(MBGL_WITH_METAL)
+    include(${PROJECT_SOURCE_DIR}/platform/ios/mbgl-metal.cmake)
+endif()
+
 target_sources(
     mbgl-core
     PRIVATE
diff --git a/platform/ios/mbgl-metal.cmake b/platform/ios/mbgl-metal.cmake
new file mode 100644
index 0000000000..e3dc8a0f23
--- /dev/null
+++ b/platform/ios/mbgl-metal.cmake
@@ -0,0 +1,98 @@
+message("-- Configuring GL-Native with Metal renderer backend")
+
+if(NOT EXISTS ${PROJECT_SOURCE_DIR}/modules/metal)
+    execute_process(
+        COMMAND git clone git@github.com:mapbox/mapbox-maps-metal.git ${PROJECT_SOURCE_DIR}/modules/metal
+        WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+    )
+endif()
+
+target_compile_definitions(
+    mbgl-core
+    PRIVATE MBGL_RENDER_BACKEND_METAL=1
+)
+
+target_sources(mbgl-core PRIVATE
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/buffer_resource.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/command_encoder.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/context.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/conversion.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/draw_scope_resource.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/offscreen_texture.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/program.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/render_pass.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/renderable_resource.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/renderbuffer_resource.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/renderer_backend.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/texture_resource.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/upload_pass.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/background.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/background_pattern.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/circle.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/clipping_mask.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/collision_box.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/collision_circle.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/debug.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/fill.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/fill_extrusion.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/fill_extrusion_pattern.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/fill_outline.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/fill_outline_pattern.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/fill_pattern.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/heatmap.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/heatmap_texture.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/hillshade.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/hillshade_prepare.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/line.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/line_gradient.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/line_pattern.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/line_sdf.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/raster.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/symbol_icon.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/symbol_sdf_icon.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/symbol_sdf_text.mm
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/programs/metal/symbol_text_and_icon.mm
+)
+
+target_sources(mbgl-core PUBLIC
+    ${PROJECT_SOURCE_DIR}/modules/metal/include/mbgl/gfx/backend.hpp
+    ${PROJECT_SOURCE_DIR}/modules/metal/include/mbgl/metal/configuration.hpp
+    ${PROJECT_SOURCE_DIR}/modules/metal/include/mbgl/metal/renderable_resource.hpp
+    ${PROJECT_SOURCE_DIR}/modules/metal/include/mbgl/metal/renderer_backend.hpp
+)
+
+target_sources(mbgl-core PRIVATE
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/attribute.hpp
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/buffer_resource.hpp
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/command_encoder.hpp
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/context.hpp
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/conversion.hpp
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/draw_scope_resource.hpp
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/index_buffer_resource.hpp
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/offscreen_texture.hpp
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/program.hpp
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/render_pass.hpp
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/renderbuffer_resource.hpp
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/shader.hpp
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/texture_resource.hpp
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/upload_pass.hpp
+    ${PROJECT_SOURCE_DIR}/modules/metal/src/mbgl/metal/vertex_buffer_resource.hpp
+)
+
+target_sources(mbgl-core PRIVATE
+    ${PROJECT_SOURCE_DIR}/modules/metal/platform/darwin/src/headless_backend.mm
+)
+
+target_include_directories(mbgl-core BEFORE
+    PRIVATE ${PROJECT_SOURCE_DIR}/modules/metal/src
+    PUBLIC  ${PROJECT_SOURCE_DIR}/modules/metal/include
+)
+
+target_include_directories(mbgl-core PRIVATE
+    ${PROJECT_SOURCE_DIR}/platform/default/include
+)
+
+target_link_libraries(mbgl-core
+    PUBLIC "-framework MetalKit"
+    PUBLIC "-framework Metal"
+)