4 files changed, 44 insertions, 18 deletions

diff --git a/drivers/gles2/shader_compiler_gles2.cpp b/drivers/gles2/shader_compiler_gles2.cpp
index df7eee2301..630a5ed6c6 100644
--- a/drivers/gles2/shader_compiler_gles2.cpp
+++ b/drivers/gles2/shader_compiler_gles2.cpp
@@ -733,6 +733,17 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
 
 					code += ")";
 
+					if (p_default_actions.usage_defines.has(var_node->name) && !used_name_defines.has(var_node->name)) {
+						String define = p_default_actions.usage_defines[var_node->name];
+
+						if (define.begins_with("@")) {
+							define = p_default_actions.usage_defines[define.substr(1, define.length())];
+						}
+
+						r_gen_code.custom_defines.push_back(define.utf8());
+						used_name_defines.insert(var_node->name);
+					}
+
 				} break;
 
 				case SL::OP_INDEX: {
@@ -917,6 +928,7 @@ ShaderCompilerGLES2::ShaderCompilerGLES2() {
 	actions[VS::SHADER_CANVAS_ITEM].usage_defines["NORMAL"] = "#define NORMAL_USED\n";
 	actions[VS::SHADER_CANVAS_ITEM].usage_defines["NORMALMAP"] = "#define NORMALMAP_USED\n";
 	actions[VS::SHADER_CANVAS_ITEM].usage_defines["LIGHT"] = "#define USE_LIGHT_SHADER_CODE\n";
+	actions[VS::SHADER_CANVAS_ITEM].usage_defines["round"] = "#define ROUND_USED\n";
 	actions[VS::SHADER_CANVAS_ITEM].render_mode_defines["skip_vertex_transform"] = "#define SKIP_TRANSFORM_USED\n";
 
 	/** SPATIAL SHADER **/
diff --git a/drivers/gles2/shaders/canvas.glsl b/drivers/gles2/shaders/canvas.glsl
index b9b5818e8d..fa0b315e29 100644
--- a/drivers/gles2/shaders/canvas.glsl
+++ b/drivers/gles2/shaders/canvas.glsl
@@ -258,6 +258,8 @@ precision mediump int;
 #endif
 #endif
 
+#include "stdlib.glsl"
+
 uniform sampler2D color_texture; // texunit:-1
 /* clang-format on */
 uniform highp vec2 color_texpixel_size;
diff --git a/drivers/gles2/shaders/stdlib.glsl b/drivers/gles2/shaders/stdlib.glsl
index 3674d70c9f..b9ecfec65e 100644
--- a/drivers/gles2/shaders/stdlib.glsl
+++ b/drivers/gles2/shaders/stdlib.glsl
@@ -35,6 +35,23 @@ highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
 
 	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
 }
+#ifdef ROUND_USED
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+#endif
 
 #ifndef USE_GLES_OVER_GL
 highp mat4 transpose(highp mat4 src) {
diff --git a/drivers/unix/dir_access_unix.cpp b/drivers/unix/dir_access_unix.cpp
index 251bab5783..6817137a94 100644
--- a/drivers/unix/dir_access_unix.cpp
+++ b/drivers/unix/dir_access_unix.cpp
@@ -126,37 +126,32 @@ String DirAccessUnix::get_next() {
 
 	if (!dir_stream)
 		return "";
-	dirent *entry;
 
-	entry = readdir(dir_stream);
+	dirent *entry = readdir(dir_stream);
 
 	if (entry == NULL) {
-
 		list_dir_end();
 		return "";
 	}
 
-	//typedef struct stat Stat;
-	struct stat flags;
-
 	String fname = fix_unicode_name(entry->d_name);
 
-	String f = current_dir.plus_file(fname);
-
-	if (stat(f.utf8().get_data(), &flags) == 0) {
-
-		if (S_ISDIR(flags.st_mode)) {
-
-			_cisdir = true;
-
+	// Look at d_type to determine if the entry is a directory, unless
+	// its type is unknown (the file system does not support it) or if
+	// the type is a link, in that case we want to resolve the link to
+	// known if it points to a directory. stat() will resolve the link
+	// for us.
+	if (entry->d_type == DT_UNKNOWN || entry->d_type == DT_LNK) {
+		String f = current_dir.plus_file(fname);
+
+		struct stat flags;
+		if (stat(f.utf8().get_data(), &flags) == 0) {
+			_cisdir = S_ISDIR(flags.st_mode);
 		} else {
-
 			_cisdir = false;
 		}
-
 	} else {
-
-		_cisdir = false;
+		_cisdir = (entry->d_type == DT_DIR);
 	}
 
 	_cishidden = (fname != "." && fname != ".." && fname.begins_with("."));