From 013245d9bb50bf0878a58a7b1e009915a7a64d0b Mon Sep 17 00:00:00 2001
From: Vitaliy Zarubin <v.zarubin@omp.ru>
Date: Mon, 16 Oct 2023 13:50:16 +0300
Subject: [PATCH] [plugin] Add embedder_texture glesv2

---
 .../ru.auroraos.flutter_example_packages.spec |  1 +
 .../embedder_texture/aurora/CMakeLists.txt    |  7 +++++--
 .../aurora/embedder_texture_plugin.cpp        | 20 +++++++++++++++++--
 3 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/example/aurora/rpm/ru.auroraos.flutter_example_packages.spec b/example/aurora/rpm/ru.auroraos.flutter_example_packages.spec
index 2c965f8..5864c1d 100644
--- a/example/aurora/rpm/ru.auroraos.flutter_example_packages.spec
+++ b/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
diff --git a/packages/embedder_texture/aurora/CMakeLists.txt b/packages/embedder_texture/aurora/CMakeLists.txt
index 418f1ce..4a322ae 100644
--- a/packages/embedder_texture/aurora/CMakeLists.txt
+++ b/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)
diff --git a/packages/embedder_texture/aurora/embedder_texture_plugin.cpp b/packages/embedder_texture/aurora/embedder_texture_plugin.cpp
index ff9bdf8..9749bb5 100644
--- a/packages/embedder_texture/aurora/embedder_texture_plugin.cpp
+++ b/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)
@@ -44,4 +60,4 @@ void EmbedderTexturePlugin::onRemove(const MethodCall &call)
 void EmbedderTexturePlugin::unimplemented(const MethodCall &call)
 {
     call.SendSuccessResponse(nullptr);
-}
+}
\ No newline at end of file