Fix wrong default target for sampler2DArray

drivers/gles3/rasterizer_scene_gles3.cpp

@@ -1268,7 +1268,14 @@ bool RasterizerSceneGLES3::_setup_material(RasterizerStorageGLES3::Material *p_m
 				case ShaderLanguage::TYPE_ISAMPLER2DARRAY:
 				case ShaderLanguage::TYPE_USAMPLER2DARRAY:
 				case ShaderLanguage::TYPE_SAMPLER2DARRAY: {
+
+					target = GL_TEXTURE_2D_ARRAY;
+					tex = storage->resources.white_tex_array;
+
+					//switch (texture_hints[i]) {
 					// TODO
+					//}
+
 				} break;
 
 				default: {}

drivers/gles3/rasterizer_storage_gles3.cpp

@@ -7753,6 +7753,14 @@ void RasterizerStorageGLES3::initialize() {
 
 		glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_BASE_LEVEL, 0);
 		glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAX_LEVEL, 0);
+
+		glGenTextures(1, &resources.white_tex_array);
+		glActiveTexture(GL_TEXTURE0);
+		glBindTexture(GL_TEXTURE_2D_ARRAY, resources.white_tex_array);
+		glTexImage3D(GL_TEXTURE_2D_ARRAY, 0, GL_RGB, 8, 8, 1, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
+		glTexSubImage3D(GL_TEXTURE_2D_ARRAY, 0, 0, 0, 0, 8, 8, 1, GL_RGB, GL_UNSIGNED_BYTE, whitetexdata);
+		glGenerateMipmap(GL_TEXTURE_2D_ARRAY);
+		glBindTexture(GL_TEXTURE_2D, 0);
 	}
 
 	glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &config.max_texture_image_units);

drivers/gles3/rasterizer_storage_gles3.h

@@ -131,6 +131,7 @@ public:
 		GLuint aniso_tex;
 
 		GLuint white_tex_3d;
+		GLuint white_tex_array;
 
 		GLuint quadie;
 		GLuint quadie_array;