feat: deferred shading (day 2)

res/shaders/effect.glslf

@@ -6,13 +6,17 @@ uniform sampler2D u_position;
 uniform sampler2D u_normal;
 uniform sampler2D u_noise;
 uniform sampler2D u_ssao;
-uniform sampler2D u_shadows;
+uniform samplerCube u_skybox;
 
 uniform ivec2 u_screenSize;
 uniform float u_intensity;
 uniform float u_timer;
 uniform bool u_enableShadows;
 uniform mat4 u_projection;
+uniform mat4 u_view;
+uniform mat4 u_inverseView;
+uniform vec3 u_sunDir;
+uniform vec3 u_cameraPos;
 
 #include <__effect__>