Merge pull request #2 from abokinsky/master

Dual Depth Peeling Dragon Demo

1 files changed, 18 insertions, 0 deletions

diff --git a/src/demos/dualDepthPeeling/shaders/wsum_final_fragment.glsl b/src/demos/dualDepthPeeling/shaders/wsum_final_fragment.glsl
new file mode 100644
index 0000000..76c0293
--- /dev/null
+++ b/src/demos/dualDepthPeeling/shaders/wsum_final_fragment.glsl
@@ -0,0 +1,18 @@
+//--------------------------------------------------------------------------------------
+// Order Independent Transparency with Weighted Sums
+//
+// Author: Louis Bavoil
+// Email: [email protected]
+//
+// Copyright (c) NVIDIA Corporation. All rights reserved.
+//--------------------------------------------------------------------------------------
+
+uniform samplerRECT ColorTex;
+uniform vec3 BackgroundColor;
+
+// Sum(A_i * C_i) + C_bg * (1 - Sum(A_i))
+void main(void)
+{
+	vec4 S = textureRect(ColorTex, gl_FragCoord.xy);
+	gl_FragColor.rgb = S.rgb + BackgroundColor * (1.0 - S.a);
+}