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-rw-r--r--indra/newview/app_settings/shaders/class1/environment/waterV.glsl13
1 files changed, 7 insertions, 6 deletions
diff --git a/indra/newview/app_settings/shaders/class1/environment/waterV.glsl b/indra/newview/app_settings/shaders/class1/environment/waterV.glsl
index 610c06fbbc..b99fab2c0f 100644
--- a/indra/newview/app_settings/shaders/class1/environment/waterV.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/waterV.glsl
@@ -24,6 +24,7 @@
*/
+attribute vec3 position;
void calcAtmospherics(vec3 inPositionEye);
@@ -45,7 +46,6 @@ float wave(vec2 v, float t, float f, vec2 d, float s)
void main()
{
//transform vertex
- vec4 position = gl_Vertex;
mat4 modelViewProj = gl_ModelViewProjectionMatrix;
vec4 oPosition;
@@ -63,7 +63,7 @@ void main()
d = clamp(ld/1536.0-0.5, 0.0, 1.0);
d *= d;
- oPosition = position;
+ oPosition = vec4(position, 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);
@@ -73,11 +73,12 @@ void main()
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 = gl_ModelViewMatrix*pos;
- calcAtmospherics((gl_ModelViewMatrix * gl_Vertex).xyz);
+ calcAtmospherics(pos.xyz);
//pass wave parameters to pixel shader