remove redundant directory

makefile

@@ -1,12 +1,11 @@
 SRC_DIR = src
 BIN_DIR = bin
-RES_DIR = res
+SHADER_DIR 			= shader
 
-SHADER_DIR 			= $(RES_DIR)/shader
 SHADER_QUAD_DIR 	= $(SHADER_DIR)/quad
 SHADER_ROOT_DIR 	= $(SHADER_DIR)/root
 SHADER_INCLUDE_DIR 	= $(SHADER_DIR)/include
-SHADER_TARGET_DIR 	= $(BIN_DIR)/$(RES_DIR)
+SHADER_TARGET_DIR 	= $(BIN_DIR)
 
 # find files in SHADER_ROOT_DIR
 # top level compute shader programs

src/main.c

@@ -26,10 +26,10 @@ int main()
 
     // compile shader programs
     unsigned int computeProgram = compileComputeShaderProgram(
-            "bin/res/rt.compute");
+            "bin/rt.compute");
     unsigned int quadProgram = compileQuadShaderProgram(
-            "bin/res/shader.vert", 
-            "bin/res/shader.frag");
+            "bin/shader.vert", 
+            "bin/shader.frag");
 
     // initialise quad
     initBuffers();