[plugin] Add embedder_texture glesv2

example/aurora/rpm/ru.auroraos.flutter_example_packages.spec

@@ -10,6 +10,7 @@ Source0: %{name}-%{version}.tar.zst
 
 BuildRequires: cmake
 BuildRequires: pkgconfig(sqlite3)
+BuildRequires: pkgconfig(glesv2)
 BuildRequires: pkgconfig(flutter-embedder)
 
 %description

packages/embedder_texture/aurora/CMakeLists.txt

@@ -16,11 +16,14 @@ set(CMAKE_CXX_FLAGS_RELEASE "-O3")
 
 find_package(PkgConfig REQUIRED)
 pkg_check_modules(FlutterEmbedder REQUIRED IMPORTED_TARGET flutter-embedder)
+pkg_check_modules(GLES REQUIRED IMPORTED_TARGET glesv2)
 
-add_library(${PLUGIN_NAME} SHARED embedder_texture_plugin.cpp)
+add_library(${PLUGIN_NAME} SHARED
+    embedder_texture_plugin.cpp
+)
 
 set_target_properties(${PLUGIN_NAME} PROPERTIES CXX_VISIBILITY_PRESET hidden)
-target_link_libraries(${PLUGIN_NAME} PRIVATE PkgConfig::FlutterEmbedder)
+target_link_libraries(${PLUGIN_NAME} PRIVATE PkgConfig::FlutterEmbedder PkgConfig::GLES)
 
 target_include_directories(${PLUGIN_NAME} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include)
 target_compile_definitions(${PLUGIN_NAME} PRIVATE PLUGIN_IMPL)

packages/embedder_texture/aurora/embedder_texture_plugin.cpp

@@ -7,6 +7,16 @@
 #include <flutter/platform-methods.h>
 #include <sys/utsname.h>
 
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+
+const GLfloat pixels[] = {
+    1, 0, 0,
+    0, 1, 0,
+    0, 0, 1,
+    1, 1, 1
+};
+
 void EmbedderTexturePlugin::RegisterWithRegistrar(PluginRegistrar &registrar)
 {
     registrar.RegisterMethodChannel("embedder_texture",
@@ -33,7 +43,13 @@ void EmbedderTexturePlugin::onMethodCall(const MethodCall &call)
 
 void EmbedderTexturePlugin::onCreate(const MethodCall &call)
 {
-    call.SendSuccessResponse(0);
+    unsigned int texture_id = 0;
+
+    glGenTextures(1, &texture_id);
+    glBindTexture(GL_TEXTURE_2D, texture_id);
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 2, 2, 0, GL_RGB, GL_FLOAT, pixels);
+
+    call.SendSuccessResponse(texture_id);
 }
 
 void EmbedderTexturePlugin::onRemove(const MethodCall &call)