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-rw-r--r--indra/newview/app_settings/shaders/class1/environment/waterV.glsl48
1 files changed, 35 insertions, 13 deletions
diff --git a/indra/newview/app_settings/shaders/class1/environment/waterV.glsl b/indra/newview/app_settings/shaders/class1/environment/waterV.glsl
index 831d6a761c..f66ba1d2d9 100644
--- a/indra/newview/app_settings/shaders/class1/environment/waterV.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/waterV.glsl
@@ -2,10 +2,31 @@
* @file waterV.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
* $/LicenseInfo$
*/
-
+uniform mat4 modelview_matrix;
+uniform mat4 modelview_projection_matrix;
+
+ATTRIBUTE vec3 position;
void calcAtmospherics(vec3 inPositionEye);
@@ -15,9 +36,9 @@ uniform float time;
uniform vec3 eyeVec;
uniform float waterHeight;
-varying vec4 refCoord;
-varying vec4 littleWave;
-varying vec4 view;
+VARYING vec4 refCoord;
+VARYING vec4 littleWave;
+VARYING vec4 view;
float wave(vec2 v, float t, float f, vec2 d, float s)
{
@@ -27,8 +48,7 @@ float wave(vec2 v, float t, float f, vec2 d, float s)
void main()
{
//transform vertex
- vec4 position = gl_Vertex;
- mat4 modelViewProj = gl_ModelViewProjectionMatrix;
+ mat4 modelViewProj = modelview_projection_matrix;
vec4 oPosition;
@@ -39,27 +59,29 @@ void main()
float d = length(oEyeVec.xy);
float ld = min(d, 2560.0);
- position.xy = eyeVec.xy + oEyeVec.xy/d*ld;
+ vec3 lpos = position;
+ lpos.xy = eyeVec.xy + oEyeVec.xy/d*ld;
view.xyz = oEyeVec;
d = clamp(ld/1536.0-0.5, 0.0, 1.0);
d *= d;
- oPosition = position;
+ oPosition = vec4(lpos, 1.0);
oPosition.z = mix(oPosition.z, max(eyeVec.z*0.75, 0.0), d);
oPosition = modelViewProj * oPosition;
refCoord.xyz = oPosition.xyz + vec3(0,0,0.2);
//get wave position parameter (create sweeping horizontal waves)
- vec3 v = position.xyz;
+ vec3 v = lpos;
v.x += (cos(v.x*0.08/*+time*0.01*/)+sin(v.y*0.02))*6.0;
//push position for further horizon effect.
- position.xyz = oEyeVec.xyz*(waterHeight/oEyeVec.z);
- position.w = 1.0;
- position = position*gl_ModelViewMatrix;
+ vec4 pos;
+ pos.xyz = oEyeVec.xyz*(waterHeight/oEyeVec.z);
+ pos.w = 1.0;
+ pos = modelview_matrix*pos;
- calcAtmospherics((gl_ModelViewMatrix * gl_Vertex).xyz);
+ calcAtmospherics(pos.xyz);
//pass wave parameters to pixel shader