From 250e30d73f09e9da2b5a81d0fbae63744ae12a73 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Tue, 2 Apr 2019 08:47:15 +0800
Subject: *misc

---
 .../scripts/graphics/shader.lua                    | 75 ++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 source/libs/asura-lib-framework/scripts/graphics/shader.lua

(limited to 'source/libs/asura-lib-framework/scripts/graphics/shader.lua')

diff --git a/source/libs/asura-lib-framework/scripts/graphics/shader.lua b/source/libs/asura-lib-framework/scripts/graphics/shader.lua
new file mode 100644
index 0000000..c411619
--- /dev/null
+++ b/source/libs/asura-lib-framework/scripts/graphics/shader.lua
@@ -0,0 +1,75 @@
+AsuraEngine.Shader = AsuraEngine.Asset.Extend("Shader")
+
+local helper = AsuraEngine.Framework.Require("graphics/shaderHelper")
+
+local Shader = AsuraEngine.Shader
+
+function Shader.Ctor(self)
+	self.simShader = nil
+	self.uniforms = {} -- 映射uniform name到location	
+end
+
+--编译shader
+function Shader.Load(self, vert, frag)
+	self.uniforms = {} 
+	if self.simShader == nil then 
+		self.simShader = AsuraEngine.SimShader.New(vert, frag)
+	else 
+		self.simShader:Load(vert, frag)
+	end
+	if self.simShader == nil then 
+		--shader编译错误
+		return 
+	end 
+	--在编译的时候就获得所有的uniform和loc
+	local uniforms = helper.GetUniforms(vert, frag)
+	if uniforms == nil then 
+		return
+	end 
+	for _, uniform in uniforms do 
+		self.uniforms[uniform] = self.simShader:GetUniformLocation(uniform)
+	end 
+end
+
+function Shader.GetUniformLocation(self, name)
+	if self.uniforms then 
+		local id = self.uniforms[name]
+		return id
+	end 
+	return 0
+end
+
+function Shader.SendVec2(self, name, vec2)
+	local id = self:GetUniformLocation(name)
+	self.simShader:SendUniformVector2(name, vec2)
+end
+
+function Shader.SendVec3(self, name, vec3)
+
+end
+
+function Shader.SendVec4(self, name, vec4)
+
+end 
+
+function Shader.SendTexture(self, name, tex)
+
+end
+
+function Shader.SendFloat(self, name, number)
+
+end
+
+function Shader.SendInteger(self, name, integer)
+
+end
+
+function Shader.SendColor(self, name, color)
+
+end
+
+function Shader.SendMat44(self, name, mat44)
+
+end
+
+return Shader
\ No newline at end of file
-- 
cgit v1.1-26-g67d0