From 6551adeca70d4299a99d45245d4e13dbfdfa87e5 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Tue, 23 Oct 2018 15:56:01 +0800
Subject: =?UTF-8?q?*=E4=BF=AE=E6=94=B9lua=E7=BB=91=E5=AE=9A=E6=96=87?=
 =?UTF-8?q?=E4=BB=B6=E7=9A=84=E6=96=87=E4=BB=B6=E5=90=8D?=
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---
 src/lua/modules/graphics/je_lua_shader.cpp | 135 +++++++++++++++++++++++++++++
 1 file changed, 135 insertions(+)
 create mode 100644 src/lua/modules/graphics/je_lua_shader.cpp

(limited to 'src/lua/modules/graphics/je_lua_shader.cpp')

diff --git a/src/lua/modules/graphics/je_lua_shader.cpp b/src/lua/modules/graphics/je_lua_shader.cpp
new file mode 100644
index 0000000..d7733d4
--- /dev/null
+++ b/src/lua/modules/graphics/je_lua_shader.cpp
@@ -0,0 +1,135 @@
+#include "lua/modules/luax.h"
+#include "lua/modules/types.h"
+#include "lua/common/common.h"
+#include "libjin/jin.h"
+
+namespace JinEngine
+{
+    namespace Lua
+    {
+    
+	    using namespace JinEngine::Graphics;
+
+	    typedef Ref<Shader>& ShaderRef;
+
+        static inline ShaderRef checkShader(lua_State* L)
+        {
+            Proxy* proxy = (Proxy*)luax_checktype(L, 1, JIN_GRAPHICS_SHADER);
+		    return proxy->getRef<Shader>();
+        }
+
+        /**
+        * jsl:sendNumber("variable", 0.1)
+        */
+        static int l_sendNumber  (lua_State* L)
+        {
+            ShaderRef ref = checkShader(L);
+            const char* variable = luax_checkstring(L, 2);
+            float number = luax_checknumber(L, 3);
+            ref->sendFloat(variable, number);
+            return 0;
+        }
+
+        static int l_sendTexture (lua_State* L)
+        {
+            ShaderRef ref = checkShader(L);
+            const char* variable = luax_checkstring(L, 2);
+            Proxy* proxy = (Proxy*)luax_checktype(L, 3, JIN_GRAPHICS_TEXTURE);
+            Ref<Texture>& tex = proxy->getRef<Texture>();
+            ref->sendTexture(variable, tex.getObject());
+            return 0;
+        }
+
+        static int l_sendCanvas  (lua_State* L)
+        {
+            ShaderRef ref = checkShader(L);
+            const char* variable = luax_checkstring(L, 2);
+            Proxy* proxy = (Proxy*)luax_checktype(L, 3, JIN_GRAPHICS_CANVAS);
+            Ref<Canvas>& canvas = proxy->getRef<Canvas>();
+            ref->sendCanvas(variable, canvas.getObject());
+            return 0;
+        }
+
+        static int l_sendVec2    (lua_State* L)
+        {
+            ShaderRef ref = checkShader(L);
+            const char* variable = luax_checkstring(L, 2);
+            if (!luax_istable(L, 3))
+            {
+                luax_typerror(L, 3, "table");
+                return 1;
+            }
+            float x = luax_rawgetnumber(L, 3, 1);
+            float y = luax_rawgetnumber(L, 3, 2);
+            ref->sendVec2(variable, x, y);
+            return 0;
+        }
+
+        static int l_sendVec3    (lua_State* L)
+        {
+            ShaderRef ref = checkShader(L);
+            const char* variable = luax_checkstring(L, 2);
+            if (!luax_istable(L, 3))
+            {
+                luax_typerror(L, 3, "table");
+                return 1;
+            }
+            float x = luax_rawgetnumber(L, 3, 1);
+            float y = luax_rawgetnumber(L, 3, 2);
+            float z = luax_rawgetnumber(L, 3, 3);
+            ref->sendVec3(variable, x, y, z);
+            return 0;
+        }
+
+        static int l_sendVec4    (lua_State* L)
+        {
+            ShaderRef ref = checkShader(L);
+            const char* variable = luax_checkstring(L, 2);
+            if (!luax_istable(L, 3))
+            {
+                luax_typerror(L, 3, "table");
+                return 1;
+            }
+            float x = luax_rawgetnumber(L, 3, 1);
+            float y = luax_rawgetnumber(L, 3, 2);
+            float z = luax_rawgetnumber(L, 3, 3);
+            float w = luax_rawgetnumber(L, 3, 4);
+            ref->sendVec4(variable, x, y, z, w);
+            return 0;
+        }
+
+        static int l_sendColor   (lua_State* L)
+        {
+            return l_sendVec4(L);
+        }
+
+        static int l_gc(lua_State* L)
+        {
+            Proxy* proxy = (Proxy*)luax_checktype(L, 1, JIN_GRAPHICS_SHADER);
+            proxy->release();
+            return 0;
+        }
+
+        static const luaL_Reg f[] = {
+            { "__gc",        l_gc          },
+            { "sendNumber",  l_sendNumber  },
+            { "sendTexture", l_sendTexture },
+            { "sendCanvas",  l_sendCanvas  },
+            { "sendVec2",    l_sendVec2    },
+            { "sendVec3",    l_sendVec3    },
+            { "sendVec4",    l_sendVec4    },
+            { "sendColor",   l_sendColor   },
+            { 0,             0             }
+        };
+
+        /**
+        * JSL program
+        */
+        int luaopen_JSL(lua_State* L)
+        {
+            luax_newtype(L, JIN_GRAPHICS_SHADER, f);
+            return 0;
+        }
+
+    } // namespace Lua
+} // namespace JinEngine
\ No newline at end of file
-- 
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