From 5aa66d03d8b4d66ccdcfbc6c5c20e7bb510ac87a Mon Sep 17 00:00:00 2001
From: Juan Linietsky <reduzio@gmail.com>
Date: Sun, 4 Jun 2017 18:08:06 -0300
Subject: Added depth texture support (using parallax) to default material.

---
 servers/visual/shader_language.cpp | 33 ++++++++++++++++++++++++++++++++-
 servers/visual/shader_types.cpp    |  1 -
 2 files changed, 32 insertions(+), 2 deletions(-)

(limited to 'servers')

diff --git a/servers/visual/shader_language.cpp b/servers/visual/shader_language.cpp
index 9fe92f0fec..319351f8ec 100644
--- a/servers/visual/shader_language.cpp
+++ b/servers/visual/shader_language.cpp
@@ -3185,7 +3185,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map<StringName, Dat
 
 			tk = _get_token();
 			if (tk.type != TK_PARENTHESIS_CLOSE) {
-				_set_error("Expected '(' after expression");
+				_set_error("Expected ')' after expression");
 				return ERR_PARSE_ERROR;
 			}
 
@@ -3196,6 +3196,8 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map<StringName, Dat
 			p_block->statements.push_back(cf);
 
 			Error err = _parse_block(block, p_builtin_types, true, p_can_break, p_can_continue);
+			if (err)
+				return err;
 
 			pos = _get_tkpos();
 			tk = _get_token();
@@ -3209,6 +3211,35 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map<StringName, Dat
 			} else {
 				_set_tkpos(pos); //rollback
 			}
+		} else if (tk.type == TK_CF_WHILE) {
+			//if () {}
+			tk = _get_token();
+			if (tk.type != TK_PARENTHESIS_OPEN) {
+				_set_error("Expected '(' after if");
+				return ERR_PARSE_ERROR;
+			}
+
+			ControlFlowNode *cf = alloc_node<ControlFlowNode>();
+			cf->flow_op = FLOW_OP_WHILE;
+			Node *n = _parse_and_reduce_expression(p_block, p_builtin_types);
+			if (!n)
+				return ERR_PARSE_ERROR;
+
+			tk = _get_token();
+			if (tk.type != TK_PARENTHESIS_CLOSE) {
+				_set_error("Expected ')' after expression");
+				return ERR_PARSE_ERROR;
+			}
+
+			BlockNode *block = alloc_node<BlockNode>();
+			block->parent_block = p_block;
+			cf->expressions.push_back(n);
+			cf->blocks.push_back(block);
+			p_block->statements.push_back(cf);
+
+			Error err = _parse_block(block, p_builtin_types, true, p_can_break, p_can_continue);
+			if (err)
+				return err;
 
 		} else if (tk.type == TK_CF_RETURN) {
 
diff --git a/servers/visual/shader_types.cpp b/servers/visual/shader_types.cpp
index 1caee3fd25..ea012f1958 100644
--- a/servers/visual/shader_types.cpp
+++ b/servers/visual/shader_types.cpp
@@ -52,7 +52,6 @@ ShaderTypes::ShaderTypes() {
 
 	shader_modes[VS::SHADER_SPATIAL].functions["vertex"]["SRC_VERTEX"] = ShaderLanguage::TYPE_VEC3;
 	shader_modes[VS::SHADER_SPATIAL].functions["vertex"]["SRC_NORMAL"] = ShaderLanguage::TYPE_VEC3;
-	shader_modes[VS::SHADER_SPATIAL].functions["vertex"]["SRC_TANGENT"] = ShaderLanguage::TYPE_VEC4;
 	shader_modes[VS::SHADER_SPATIAL].functions["vertex"]["SRC_BONES"] = ShaderLanguage::TYPE_IVEC4;
 	shader_modes[VS::SHADER_SPATIAL].functions["vertex"]["SRC_WEIGHTS"] = ShaderLanguage::TYPE_VEC4;
 
-- 
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