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-rw-r--r--indra/newview/app_settings/shaders/class1/environment/waterF.glsl182
1 files changed, 103 insertions, 79 deletions
diff --git a/indra/newview/app_settings/shaders/class1/environment/waterF.glsl b/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
index 79bffab745..a4e3f94816 100644
--- a/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
@@ -1,5 +1,5 @@
/**
- * @file waterF.glsl
+ * @file class1/environment/waterF.glsl
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* Second Life Viewer Source Code
@@ -33,6 +33,8 @@ vec3 scaleSoftClip(vec3 inColor);
vec3 atmosTransport(vec3 inColor);
uniform sampler2D bumpMap;
+uniform sampler2D bumpMap2;
+uniform float blend_factor;
uniform sampler2D screenTex;
uniform sampler2D refTex;
@@ -48,94 +50,116 @@ uniform vec3 normScale;
uniform float fresnelScale;
uniform float fresnelOffset;
uniform float blurMultiplier;
-
+uniform int water_edge;
//bigWave is (refCoord.w, view.w);
VARYING vec4 refCoord;
VARYING vec4 littleWave;
VARYING vec4 view;
+vec3 BlendNormal(vec3 bump1, vec3 bump2)
+{
+ //vec3 normal = bump1.xyz * vec3( 2.0, 2.0, 2.0) - vec3(1.0, 1.0, 0.0);
+ //vec3 normal2 = bump2.xyz * vec3(-2.0, -2.0, 2.0) + vec3(1.0, 1.0, -1.0);
+ //vec3 n = normalize(normal * dot(normal, normal2) - (normal2 * normal.z));
+ vec3 n = normalize(mix(bump1, bump2, blend_factor));
+ return n;
+}
+
void main()
{
- vec4 color;
-
- float dist = length(view.xy);
-
- //normalize view vector
- vec3 viewVec = normalize(view.xyz);
-
- //get wave normals
- vec3 wave1 = texture2D(bumpMap, vec2(refCoord.w, view.w)).xyz*2.0-1.0;
- vec3 wave2 = texture2D(bumpMap, littleWave.xy).xyz*2.0-1.0;
- vec3 wave3 = texture2D(bumpMap, littleWave.zw).xyz*2.0-1.0;
- //get base fresnel components
-
- vec3 df = vec3(
- dot(viewVec, wave1),
- dot(viewVec, (wave2 + wave3) * 0.5),
- dot(viewVec, wave3)
- ) * fresnelScale + fresnelOffset;
- df *= df;
-
- vec2 distort = (refCoord.xy/refCoord.z) * 0.5 + 0.5;
-
- float dist2 = dist;
- dist = max(dist, 5.0);
-
- float dmod = sqrt(dist);
-
- vec2 dmod_scale = vec2(dmod*dmod, dmod);
-
- //get reflected color
- vec2 refdistort1 = wave1.xy*normScale.x;
- vec2 refvec1 = distort+refdistort1/dmod_scale;
- vec4 refcol1 = texture2D(refTex, refvec1);
-
- vec2 refdistort2 = wave2.xy*normScale.y;
- vec2 refvec2 = distort+refdistort2/dmod_scale;
- vec4 refcol2 = texture2D(refTex, refvec2);
-
- vec2 refdistort3 = wave3.xy*normScale.z;
- vec2 refvec3 = distort+refdistort3/dmod_scale;
- vec4 refcol3 = texture2D(refTex, refvec3);
+ vec4 color;
+
+ float dist = length(view.xy);
+
+ //normalize view vector
+ vec3 viewVec = normalize(view.xyz);
+
+ //get wave normals
+ vec3 wave1_a = texture2D(bumpMap, vec2(refCoord.w, view.w)).xyz*2.0-1.0;
+ vec3 wave2_a = texture2D(bumpMap, littleWave.xy).xyz*2.0-1.0;
+ vec3 wave3_a = texture2D(bumpMap, littleWave.zw).xyz*2.0-1.0;
+
+ vec3 wave1_b = texture2D(bumpMap2, vec2(refCoord.w, view.w)).xyz*2.0-1.0;
+ vec3 wave2_b = texture2D(bumpMap2, littleWave.xy).xyz*2.0-1.0;
+ vec3 wave3_b = texture2D(bumpMap2, littleWave.zw).xyz*2.0-1.0;
- vec4 refcol = refcol1 + refcol2 + refcol3;
- float df1 = df.x + df.y + df.z;
- refcol *= df1 * 0.333;
-
- vec3 wavef = (wave1 + wave2 * 0.4 + wave3 * 0.6) * 0.5;
-
- wavef.z *= max(-viewVec.z, 0.1);
- wavef = normalize(wavef);
-
- float df2 = dot(viewVec, wavef) * fresnelScale+fresnelOffset;
-
- vec2 refdistort4 = wavef.xy*0.125;
- refdistort4.y -= abs(refdistort4.y);
- vec2 refvec4 = distort+refdistort4/dmod;
- float dweight = min(dist2*blurMultiplier, 1.0);
- vec4 baseCol = texture2D(refTex, refvec4);
- refcol = mix(baseCol*df2, refcol, dweight);
+ vec3 wave1 = BlendNormal(wave1_a, wave1_b);
+ vec3 wave2 = BlendNormal(wave2_a, wave2_b);
+ vec3 wave3 = BlendNormal(wave3_a, wave3_b);
- //get specular component
- float spec = clamp(dot(lightDir, (reflect(viewVec,wavef))),0.0,1.0);
-
- //harden specular
- spec = pow(spec, 128.0);
+ //get base fresnel components
+
+ vec3 df = vec3(
+ dot(viewVec, wave1),
+ dot(viewVec, (wave2 + wave3) * 0.5),
+ dot(viewVec, wave3)
+ ) * fresnelScale + fresnelOffset;
+ df *= df;
+
+ vec2 distort = (refCoord.xy/refCoord.z) * 0.5 + 0.5;
+
+ float dist2 = dist;
+ dist = max(dist, 5.0);
+
+ float dmod = sqrt(dist);
+
+ vec2 dmod_scale = vec2(dmod*dmod, dmod);
+
+ //get reflected color
+ vec2 refdistort1 = wave1.xy*normScale.x;
+ vec2 refvec1 = distort+refdistort1/dmod_scale;
+ vec4 refcol1 = texture2D(refTex, refvec1);
+
+ vec2 refdistort2 = wave2.xy*normScale.y;
+ vec2 refvec2 = distort+refdistort2/dmod_scale;
+ vec4 refcol2 = texture2D(refTex, refvec2);
+
+ vec2 refdistort3 = wave3.xy*normScale.z;
+ vec2 refvec3 = distort+refdistort3/dmod_scale;
+ vec4 refcol3 = texture2D(refTex, refvec3);
- //figure out distortion vector (ripply)
- vec2 distort2 = distort+wavef.xy*refScale/max(dmod*df1, 1.0);
-
- vec4 fb = texture2D(screenTex, distort2);
-
- //mix with reflection
- // Note we actually want to use just df1, but multiplying by 0.999999 gets around and nvidia compiler bug
- color.rgb = mix(fb.rgb, refcol.rgb, df1 * 0.99999);
- color.rgb += spec * specular;
-
- color.rgb = atmosTransport(color.rgb);
- color.rgb = scaleSoftClip(color.rgb);
- color.a = spec * sunAngle2;
+ vec4 refcol = refcol1 + refcol2 + refcol3;
+ float df1 = df.x + df.y + df.z;
+ refcol *= df1 * 0.333;
+
+ vec3 wavef = (wave1 + wave2 * 0.4 + wave3 * 0.6) * 0.5;
+
+ wavef.z *= max(-viewVec.z, 0.1);
+ wavef = normalize(wavef);
+
+ float df2 = dot(viewVec, wavef) * fresnelScale+fresnelOffset;
+
+ vec2 refdistort4 = wavef.xy*0.125;
+ refdistort4.y -= abs(refdistort4.y);
+ vec2 refvec4 = distort+refdistort4/dmod;
+ float dweight = min(dist2*blurMultiplier, 1.0);
+ vec4 baseCol = texture2D(refTex, refvec4);
+ refcol = mix(baseCol*df2, refcol, dweight);
+
+ //get specular component
+ float spec = clamp(dot(lightDir, (reflect(viewVec,wavef))),0.0,1.0);
+
+ //harden specular
+ spec = pow(spec, 128.0);
+
+ //figure out distortion vector (ripply)
+ vec2 distort2 = distort+wavef.xy*refScale/max(dmod*df1, 1.0);
+
+ vec4 fb = texture2D(screenTex, distort2);
+
+ //mix with reflection
+ // Note we actually want to use just df1, but multiplying by 0.999999 gets around and nvidia compiler bug
+ color.rgb = mix(fb.rgb, refcol.rgb, df1 * 0.99999);
+ color.rgb += spec * specular;
+
+ color.rgb = atmosTransport(color.rgb);
+ color.rgb = scaleSoftClip(color.rgb);
+ color.a = spec * sunAngle2;
+
+#if defined(WATER_EDGE)
+ gl_FragDepth = 0.9999847f;
+#endif
- frag_color = color;
+ frag_color = color;
}