1 files changed, 29 insertions, 0 deletions
diff --git a/engine/src/core-effects/Common/MatDefs/Post/bloomExtract.frag b/engine/src/core-effects/Common/MatDefs/Post/bloomExtract.frag
new file mode 100644
index 0000000..23aa45e
--- /dev/null
+++ b/engine/src/core-effects/Common/MatDefs/Post/bloomExtract.frag
@@ -0,0 +1,29 @@
+uniform float m_ExposurePow;
+uniform float m_ExposureCutoff;
+uniform sampler2D m_Texture;
+
+varying vec2 texCoord;
+
+#ifdef HAS_GLOWMAP
+  uniform sampler2D m_GlowMap;
+#endif
+
+void main(){ 
+   vec4 color = vec4(0.0);
+   #ifdef DO_EXTRACT
+    color = texture2D( m_Texture, texCoord );
+    if ( (color.r+color.g+color.b)/3.0 < m_ExposureCutoff ) {
+          color = vec4(0.0);
+    }else{
+          color = pow(color,vec4(m_ExposurePow));
+    }
+   #endif
+
+   #ifdef HAS_GLOWMAP
+        vec4 glowColor = texture2D(m_GlowMap, texCoord);
+        glowColor = pow(glowColor, vec4(m_ExposurePow));
+        color += glowColor;
+   #endif
+   
+   gl_FragColor = color;
+}