create tremded branch

1 files changed, 18 insertions, 0 deletions

diff --git a/src/renderergl2/glsl/shadowmask_vp.glsl b/src/renderergl2/glsl/shadowmask_vp.glsl
new file mode 100644
index 0000000..13166a2
--- /dev/null
+++ b/src/renderergl2/glsl/shadowmask_vp.glsl
@@ -0,0 +1,18 @@
+attribute vec4 attr_Position;
+attribute vec4 attr_TexCoord0;
+
+uniform vec3   u_ViewForward;
+uniform vec3   u_ViewLeft;
+uniform vec3   u_ViewUp;
+uniform vec4   u_ViewInfo; // zfar / znear
+
+varying vec2   var_DepthTex;
+varying vec3   var_ViewDir;
+
+void main()
+{
+	gl_Position = attr_Position;
+	vec2 screenCoords = gl_Position.xy / gl_Position.w;
+	var_DepthTex = attr_TexCoord0.xy;
+	var_ViewDir = u_ViewForward + u_ViewLeft * -screenCoords.x + u_ViewUp * screenCoords.y;
+}