[flutter] Repro mesh generator for crash on Android Mail GPU.

spine-flutter/example/pubspec.lock

@@ -42,7 +42,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.0.4"
+    version: "4.2.5"
   ffi:
     dependency: transitive
     description:

spine-flutter/src/main.cpp

@@ -14,9 +14,37 @@ int main(int argc, char** argv) {
     spine_atlas atlas = spine_atlas_load((const utf8*)cstringAtlas);
     spine_skeleton_data_result result = spine_skeleton_data_load_binary(atlas, data, dataLength);
     spine_skeleton_drawable drawable = spine_skeleton_drawable_create(spine_skeleton_data_result_get_data(result));
+    spine_skeleton skeleton = spine_skeleton_drawable_get_skeleton(drawable);
+    spine_skeleton_update_world_transform(skeleton);
     spine_render_command cmd = spine_skeleton_drawable_render(drawable);
-    while (cmd) {
-        uint16_t *indices = spine_render_command_get_indices(cmd);
-        cmd = spine_render_command_get_next(cmd);
+    int numVertices = spine_render_command_get_num_vertices(cmd);
+    int numIndices = spine_render_command_get_num_indices(cmd);
+    float* positions = spine_render_command_get_positions(cmd);
+    float* uvs = spine_render_command_get_uvs(cmd);
+    int32_t *colors = spine_render_command_get_colors(cmd);
+    uint16_t *indices = spine_render_command_get_indices(cmd);
+    String str;
+    str.append(numVertices);
+    str.append("\n");
+    str.append(numIndices);
+    str.append("\n");
+    for (int i = 0; i < numVertices * 2; i++) {
+        str.append(positions[i]);
+        str.append("\n");
     }
+    for (int i = 0; i < numVertices * 2; i++) {
+        str.append(uvs[i]);
+        str.append("\n");
+    }
+    for (int i = 0; i < numVertices; i++) {
+        str.append(colors[i]);
+        str.append("\n");
+    }
+    for (int i = 0; i < numIndices; i++) {
+        str.append(indices[i]);
+        str.append("\n");
+    }
+    FILE *file = fopen("/Users/badlogic/Desktop/spineboy.mesh", "w");
+    fwrite(str.buffer(), str.length(), 1, file);
+    fclose(file);
 }