Refactor FlRenderer to platform-independent implementation (flutter#24011)

Refactor FlRenderer to platform-independent implementation

Author: huanghongxun

ci/licenses_golden/licenses_flutter

@@ -1356,14 +1356,13 @@ FILE: ../../../flutter/shell/platform/glfw/system_utils.h
 FILE: ../../../flutter/shell/platform/glfw/system_utils_test.cc
 FILE: ../../../flutter/shell/platform/glfw/text_input_plugin.cc
 FILE: ../../../flutter/shell/platform/glfw/text_input_plugin.h
-FILE: ../../../flutter/shell/platform/linux/egl_utils.cc
-FILE: ../../../flutter/shell/platform/linux/egl_utils.h
-FILE: ../../../flutter/shell/platform/linux/egl_utils_test.cc
 FILE: ../../../flutter/shell/platform/linux/fl_accessibility_plugin.cc
 FILE: ../../../flutter/shell/platform/linux/fl_accessibility_plugin.h
 FILE: ../../../flutter/shell/platform/linux/fl_accessible_node.cc
 FILE: ../../../flutter/shell/platform/linux/fl_accessible_node.h
 FILE: ../../../flutter/shell/platform/linux/fl_accessible_node_test.cc
+FILE: ../../../flutter/shell/platform/linux/fl_backing_store_provider.cc
+FILE: ../../../flutter/shell/platform/linux/fl_backing_store_provider.h
 FILE: ../../../flutter/shell/platform/linux/fl_basic_message_channel.cc
 FILE: ../../../flutter/shell/platform/linux/fl_basic_message_channel_test.cc
 FILE: ../../../flutter/shell/platform/linux/fl_binary_codec.cc
@@ -1379,6 +1378,8 @@ FILE: ../../../flutter/shell/platform/linux/fl_engine_private.h
 FILE: ../../../flutter/shell/platform/linux/fl_engine_test.cc
 FILE: ../../../flutter/shell/platform/linux/fl_event_channel.cc
 FILE: ../../../flutter/shell/platform/linux/fl_event_channel_test.cc
+FILE: ../../../flutter/shell/platform/linux/fl_gl_area.cc
+FILE: ../../../flutter/shell/platform/linux/fl_gl_area.h
 FILE: ../../../flutter/shell/platform/linux/fl_json_message_codec.cc
 FILE: ../../../flutter/shell/platform/linux/fl_json_message_codec_test.cc
 FILE: ../../../flutter/shell/platform/linux/fl_json_method_codec.cc
@@ -1408,12 +1409,10 @@ FILE: ../../../flutter/shell/platform/linux/fl_plugin_registrar_private.h
 FILE: ../../../flutter/shell/platform/linux/fl_plugin_registry.cc
 FILE: ../../../flutter/shell/platform/linux/fl_renderer.cc
 FILE: ../../../flutter/shell/platform/linux/fl_renderer.h
+FILE: ../../../flutter/shell/platform/linux/fl_renderer_gl.cc
+FILE: ../../../flutter/shell/platform/linux/fl_renderer_gl.h
 FILE: ../../../flutter/shell/platform/linux/fl_renderer_headless.cc
 FILE: ../../../flutter/shell/platform/linux/fl_renderer_headless.h
-FILE: ../../../flutter/shell/platform/linux/fl_renderer_wayland.cc
-FILE: ../../../flutter/shell/platform/linux/fl_renderer_wayland.h
-FILE: ../../../flutter/shell/platform/linux/fl_renderer_x11.cc
-FILE: ../../../flutter/shell/platform/linux/fl_renderer_x11.h
 FILE: ../../../flutter/shell/platform/linux/fl_settings_plugin.cc
 FILE: ../../../flutter/shell/platform/linux/fl_settings_plugin.h
 FILE: ../../../flutter/shell/platform/linux/fl_standard_message_codec.cc
@@ -1430,6 +1429,7 @@ FILE: ../../../flutter/shell/platform/linux/fl_value_test.cc
 FILE: ../../../flutter/shell/platform/linux/fl_view.cc
 FILE: ../../../flutter/shell/platform/linux/fl_view_accessible.cc
 FILE: ../../../flutter/shell/platform/linux/fl_view_accessible.h
+FILE: ../../../flutter/shell/platform/linux/fl_view_private.h
 FILE: ../../../flutter/shell/platform/linux/public/flutter_linux/fl_basic_message_channel.h
 FILE: ../../../flutter/shell/platform/linux/public/flutter_linux/fl_binary_codec.h
 FILE: ../../../flutter/shell/platform/linux/public/flutter_linux/fl_binary_messenger.h

shell/platform/linux/BUILD.gn

@@ -82,21 +82,19 @@ source_set("flutter_linux_sources") {
              "fl_standard_message_codec_private.h",
            ]
 
-  configs += [
-    "//flutter/shell/platform/linux/config:gtk",
-    "//flutter/shell/platform/linux/config:wayland-client",
-  ]
+  configs += [ "//flutter/shell/platform/linux/config:gtk" ]
 
   sources = [
-    "egl_utils.cc",
     "fl_accessibility_plugin.cc",
     "fl_accessible_node.cc",
+    "fl_backing_store_provider.cc",
     "fl_basic_message_channel.cc",
     "fl_binary_codec.cc",
     "fl_binary_messenger.cc",
     "fl_dart_project.cc",
     "fl_engine.cc",
     "fl_event_channel.cc",
+    "fl_gl_area.cc",
     "fl_json_message_codec.cc",
     "fl_json_method_codec.cc",
     "fl_key_event_plugin.cc",
@@ -110,9 +108,8 @@ source_set("flutter_linux_sources") {
     "fl_plugin_registrar.cc",
     "fl_plugin_registry.cc",
     "fl_renderer.cc",
+    "fl_renderer_gl.cc",
     "fl_renderer_headless.cc",
-    "fl_renderer_wayland.cc",
-    "fl_renderer_x11.cc",
     "fl_settings_plugin.cc",
     "fl_standard_message_codec.cc",
     "fl_standard_method_codec.cc",
@@ -140,10 +137,7 @@ source_set("flutter_linux_sources") {
 source_set("flutter_linux") {
   configs += [
     "//flutter/shell/platform/linux/config:gtk",
-    "//flutter/shell/platform/linux/config:egl",
-    "//flutter/shell/platform/linux/config:wayland-egl",
-    "//flutter/shell/platform/linux/config:x11",
-    "//third_party/khronos:khronos_headers",
+    "//flutter/shell/platform/linux/config:epoxy",
   ]
 
   defines = [ "FLUTTER_ENGINE_NO_PROTOTYPES" ]
@@ -161,7 +155,6 @@ executable("flutter_linux_unittests") {
   testonly = true
 
   sources = [
-    "egl_utils_test.cc",
     "fl_accessible_node_test.cc",
     "fl_basic_message_channel_test.cc",
     "fl_binary_codec_test.cc",
@@ -181,19 +174,15 @@ executable("flutter_linux_unittests") {
     "fl_string_codec_test.cc",
     "fl_value_test.cc",
     "testing/fl_test.cc",
-    "testing/mock_egl.cc",
     "testing/mock_engine.cc",
+    "testing/mock_epoxy.cc",
     "testing/mock_renderer.cc",
     "testing/mock_text_input_plugin.cc",
   ]
 
   public_configs = [ "//flutter:config" ]
 
-  configs += [
-    "//flutter/shell/platform/linux/config:gtk",
-    "//flutter/shell/platform/linux/config:wayland-egl",
-    "//flutter/shell/platform/linux/config:x11",
-  ]
+  configs += [ "//flutter/shell/platform/linux/config:gtk" ]
 
   defines = [
     "FLUTTER_ENGINE_NO_PROTOTYPES",

shell/platform/linux/config/BUILD.gn

@@ -17,10 +17,6 @@ pkg_config("egl") {
   packages = [ "egl" ]
 }
 
-pkg_config("wayland-egl") {
-  packages = [ "wayland-egl" ]
-}
-
-pkg_config("wayland-client") {
-  packages = [ "wayland-client" ]
+pkg_config("epoxy") {
+  packages = [ "epoxy" ]
 }