add shader:configure()

1 files changed, 35 insertions, 0 deletions

diff --git a/honey/shader.lua b/honey/shader.lua
index 82d7e8a..1fb9f5b 100644
--- a/honey/shader.lua
+++ b/honey/shader.lua
@@ -59,10 +59,45 @@ function Shader.use(self)
 end
 
 
+function Shader.setInt(self, name, value)
+	local location = self:getLocation(name)
+	gl.Uniform1i(location, value)
+end
+function Shader.setFloat(self, name, value)
+	local location = self:getLocation(name)
+	gl.Uniform1f(location, value)
+end
+
+function Shader.setVec3(self, name, value)
+	local location = self:getLocation(name)
+	gl.Uniform3f(location, value[1], value[2], value[3])
+end
+function Shader.setVec4(self, name, value)
+	local location = self:getLocation(name)
+	gl.Uniform3f(location, value[1], value[2], value[3], value[4])
+end
+
 function Shader.setMatrix(self, name, matrix)
 	local location = self:getLocation(name)
 	gl.UniformMatrix4fv(location, false, matrix.data)
 end
 
 
+function Shader.configure(self, tbl)
+	local processKey = function(key, set)
+		local subtbl = tbl[key]
+		if subtbl then
+			for name, value in pairs(subtbl) do 
+				self[set](self, name, value) 
+			end
+		end
+	end
+
+	processKey("int", "setInt")
+	processKey("float", "setFloat")
+	processKey("vec3", "setVec3")
+	processKey("vec4", "setVec4")
+	processKey("matrix", "setMatrix")
+end
+
 return module.Shader