SL-18293, SL-18190 -- Fix for debug displays not showing up (wireframe still busted). WIP on reflection probe/PBR driven water shader.

3 files changed, 23 insertions, 304 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
index 58a444a763..876422f86b 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
@@ -22,170 +22,15 @@
  * 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
+// debug stub
 out vec4 frag_data[4];
-#else
-#define frag_data gl_FragData
-#endif
-
-vec3 scaleSoftClip(vec3 inColor);
-vec3 atmosTransport(vec3 inColor);
-
-uniform sampler2D bumpMap;   
-uniform sampler2D bumpMap2;
-uniform float blend_factor;
-uniform sampler2D screenTex;
-uniform sampler2D refTex;
-uniform float sunAngle;
-uniform float sunAngle2;
-uniform vec3 lightDir;
-uniform vec3 specular;
-uniform float lightExp;
-uniform float refScale;
-uniform float kd;
-uniform vec2 screenRes;
-uniform vec3 normScale;
-uniform float fresnelScale;
-uniform float fresnelOffset;
-uniform float blurMultiplier;
-uniform vec2 screen_res;
-uniform mat4 norm_mat; //region space to screen space
-uniform int water_edge;
-
-//bigWave is (refCoord.w, view.w);
-VARYING vec4 refCoord;
-VARYING vec4 littleWave;
-VARYING vec4 view;
-VARYING vec4 vary_position;
-
-vec2 encode_normal(vec3 n);
-vec3 scaleSoftClip(vec3 l);
-vec3 srgb_to_linear(vec3 c);
-vec3 linear_to_srgb(vec3 c);
 
-vec3 BlendNormal(vec3 bump1, vec3 bump2)
+void main()
 {
-    vec3 n = mix(bump1, bump2, blend_factor);
-    return n;
-}
-
-void main() 
-{
-    vec4 color;
-    float dist = length(view.xyz);
-    
-    //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;
-
-    vec3 wave1 = BlendNormal(wave1_a, wave1_b);
-    vec3 wave2 = BlendNormal(wave2_a, wave2_b);
-    vec3 wave3 = BlendNormal(wave3_a, wave3_b);
-
-    //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 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 an nvidia compiler bug
-	color.rgb = mix(fb.rgb, refcol.rgb, df1 * 0.99999f);
-	
-	vec4 pos = vary_position;
-	
-	//color.rgb += spec * specular;
-
-	//color.rgb = atmosTransport(color.rgb);
-	//color.rgb = scaleSoftClip(color.rgb);
-    
-    //color.rgb = refcol.rgb;
-    color.rgb = vec3(0.0);
-	color.a   = spec * sunAngle2;
-    
-	vec3 screenspacewavef = normalize((norm_mat*vec4(wavef, 1.0)).xyz);
-
-	//frag_data[0] = color;
-
-    // TODO: The non-obvious assignment below is copied from the pre-EEP WL shader code
-    //       Unfortunately, fixing it causes a mismatch for EEP, and so it remains...  for now
-    //       SL-12975 (unfix pre-EEP broken alpha)
-    frag_data[0] = vec4(srgb_to_linear(color.rgb), 0.0);
-    
-    frag_data[1] = vec4(1.0, 0.1, 0.0, 0.0);		// occlusion, roughness, metalness
-	frag_data[2] = vec4(encode_normal(screenspacewavef.xyz), 0.0, GBUFFER_FLAG_HAS_PBR);// normalxy, env intens, flags (atmo kill)
-    frag_data[3] = vec4(srgb_to_linear(refcol.rgb),0);
-
-    
-    //frag_data[0] = vec4(0.0,0,0,0);
-    //frag_data[1] = vec4(0, 1.0, 0.0, 0.0);
-    //frag_data[3] = vec4(0);
+    // emissive blue PBR material
+    frag_data[0] = vec4(0, 0, 0, 0);
+    frag_data[1] = vec4(0, 0, 0, 0);
+    frag_data[2] = vec4(1, 0, 0, GBUFFER_FLAG_HAS_PBR);
+    frag_data[3] = vec4(0, 0, 1, 0);
 }
diff --git a/indra/newview/app_settings/shaders/class1/environment/waterF.glsl b/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
index d370997123..46a6c2021d 100644
--- a/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
@@ -23,146 +23,9 @@
  * $/LicenseInfo$
  */
  
-#ifdef DEFINE_GL_FRAGCOLOR
 out vec4 frag_color;
-#else
-#define frag_color gl_FragColor
-#endif
 
-vec3 scaleSoftClip(vec3 inColor);
-vec3 atmosTransport(vec3 inColor);
-
-uniform sampler2D bumpMap;
-uniform sampler2D bumpMap2;
-uniform float     blend_factor;
-uniform sampler2D screenTex;
-uniform sampler2D refTex;
-
-uniform float sunAngle;
-uniform float sunAngle2;
-uniform vec3 lightDir;
-uniform vec3 specular;
-uniform float lightExp;
-uniform float refScale;
-uniform float kd;
-uniform vec2 screenRes;
-uniform vec3 normScale;
-uniform float fresnelScale;
-uniform float fresnelOffset;
-uniform float blurMultiplier;
-
-
-//bigWave is (refCoord.w, view.w);
-VARYING vec4 refCoord;
-VARYING vec4 littleWave;
-VARYING vec4 view;
-
-vec3 BlendNormal(vec3 bump1, vec3 bump2)
+void main()
 {
-    vec3 n = mix(bump1, bump2, blend_factor);
-    return n;
+    frag_color = vec4(0, 0, 1, 0);
 }
-
-
-void main() 
-{
-	vec4 color;
-	
-	float dist = length(view.xy);
-	
-	//normalize view vector
-	vec3 viewVec = normalize(view.xyz);
-	
-	//get wave normals
-    vec2 bigwave = vec2(refCoord.w, view.w);
-    vec3 wave1_a = texture2D(bumpMap, bigwave      ).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, bigwave      ).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;
-
-    vec3 wave1 = BlendNormal(wave1_a, wave1_b);
-    vec3 wave2 = BlendNormal(wave2_a, wave2_b);
-    vec3 wave3 = BlendNormal(wave3_a, wave3_b);
-
-
-	//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 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;
-	
-	frag_color = color;
-
-#if defined(WATER_EDGE)
-    gl_FragDepth = 0.9999847f;
-#endif
-	
-}
-
diff --git a/indra/newview/app_settings/shaders/class1/environment/waterV.glsl b/indra/newview/app_settings/shaders/class1/environment/waterV.glsl
index cc41e3f740..e95f268681 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 @@
  */
 
 uniform mat4 modelview_matrix;
+uniform mat3 normal_matrix;
 uniform mat4 modelview_projection_matrix;
 
 ATTRIBUTE vec3 position;
@@ -36,10 +37,15 @@ uniform vec2 waveDir2;
 uniform float time;
 uniform vec3 eyeVec;
 uniform float waterHeight;
+uniform vec3 lightDir;
 
 VARYING vec4 refCoord;
 VARYING vec4 littleWave;
 VARYING vec4 view;
+out vec3 vary_position;
+out vec3 vary_light_dir;
+out vec3 vary_tangent;
+out vec3 vary_normal;
 
 float wave(vec2 v, float t, float f, vec2 d, float s) 
 {
@@ -52,6 +58,11 @@ void main()
 	vec4 pos = vec4(position.xyz, 1.0);
 	mat4 modelViewProj = modelview_projection_matrix;
 	
+    vary_position = (modelview_matrix * pos).xyz;
+    vary_light_dir = normal_matrix * lightDir;
+    vary_normal = normal_matrix * vec3(0, 0, 1);
+    vary_tangent = normal_matrix * vec3(1, 0, 0);
+
 	vec4 oPosition;
 		    
 	//get view vector
@@ -63,12 +74,13 @@ void main()
 	
 	pos.xy = eyeVec.xy + oEyeVec.xy/d*ld;
 	view.xyz = oEyeVec;
-		
+
 	d = clamp(ld/1536.0-0.5, 0.0, 1.0);	
 	d *= d;
 		
 	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);
@@ -83,8 +95,7 @@ void main()
 	pos = modelview_matrix*pos;
 	
 	calcAtmospherics(pos.xyz);
-	
-	
+		
 	//pass wave parameters to pixel shader
 	vec2 bigWave =  (v.xy) * vec2(0.04,0.04)  + waveDir1 * time * 0.055;
 	//get two normal map (detail map) texture coordinates