1 files changed, 98 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class3/deferred/screenSpaceReflPostF.glsl b/indra/newview/app_settings/shaders/class3/deferred/screenSpaceReflPostF.glsl
new file mode 100644
index 0000000000..9172789b38
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class3/deferred/screenSpaceReflPostF.glsl
@@ -0,0 +1,98 @@
+/**
+ * @file class3/deferred/screenSpaceReflPostF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2007, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#extension GL_ARB_texture_rectangle : enable
+
+/*[EXTRA_CODE_HERE]*/
+
+#ifdef DEFINE_GL_FRAGCOLOR
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor
+#endif
+
+uniform vec2 screen_res;
+uniform mat4 projection_matrix;
+uniform mat4 inv_proj;
+uniform float zNear;
+uniform float zFar;
+
+VARYING vec2 vary_fragcoord;
+VARYING vec3 camera_ray;
+
+uniform sampler2D depthMap;
+uniform sampler2D normalMap;
+uniform sampler2D sceneMap;
+uniform sampler2D diffuseRect;
+
+vec3 getNorm(vec2 screenpos);
+float getDepth(vec2 pos_screen);
+float linearDepth(float d, float znear, float zfar);
+float linearDepth01(float d, float znear, float zfar);
+
+vec4 getPositionWithDepth(vec2 pos_screen, float depth);
+vec4 getPosition(vec2 pos_screen);
+
+bool traceScreenRay(vec3 position, vec3 reflection, out vec3 hitColor, out float hitDepth, float depth, sampler2D textureFrame);
+float random (vec2 uv);
+void main() {
+    vec2  tc = vary_fragcoord.xy;
+    float depth = linearDepth01(getDepth(tc), zNear, zFar);
+    vec3 pos = getPositionWithDepth(tc, getDepth(tc)).xyz;
+    vec3 viewPos = camera_ray * depth;
+    vec3 rayDirection = normalize(reflect(normalize(viewPos), getNorm(tc))) * -viewPos.z;
+    vec2 hitpixel;
+    vec3 hitpoint;
+
+	vec2 uv2 = tc * screen_res;
+	float c = (uv2.x + uv2.y) * 0.125;
+	float jitter = mod( c, 1.0);
+
+    vec3 firstBasis = normalize(cross(vec3(0.f, 0.f, 1.f), rayDirection));
+	vec3 secondBasis = normalize(cross(rayDirection, firstBasis));
+    
+    frag_color.rgb = texture(diffuseRect, tc).rgb;
+    vec4 collectedColor;
+    for (int i = 0; i < 1; i++) {
+		vec2 coeffs = vec2(random(tc + vec2(0, i)) + random(tc + vec2(i, 0))) * 0.25;
+		vec3 reflectionDirectionRandomized = rayDirection + firstBasis * coeffs.x + secondBasis * coeffs.y;
+
+        bool hit = traceScreenRay(pos, reflectionDirectionRandomized, hitpoint, depth, depth, diffuseRect);
+        if (hit) {
+            vec2 screenpos = tc * 2 - 1;
+            float vignette = 1;// clamp((1 - dot(screenpos, screenpos)) * 4,0, 1);
+            vignette *= dot(normalize(viewPos), getNorm(tc)) * 0.5 + 0.5;
+            vignette *= min(linearDepth(getDepth(tc), zNear, zFar) / (zFar * 0.0125), 1);
+            collectedColor.rgb = hitpoint * vignette * 0.25;
+            frag_color.rgb = hitpoint;
+        }
+	}
+
+    //frag_color.rgb = collectedColor.rgb;
+
+
+
+    frag_color.a = 1.0;
+}