Normal mapped alpha support. Specular and environment map support needs a bit of extra work (in progress).

2 files changed, 101 insertions, 17 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
index 55dda06b46..8fb1d6f7b3 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
@@ -55,14 +55,14 @@ VARYING vec3 vary_directional;
 VARYING vec3 vary_fragcoord;
 VARYING vec3 vary_position;
 VARYING vec3 vary_pointlight_col;
+VARYING vec2 vary_texcoord0;
+VARYING vec3 vary_norm;
+VARYING mat3 vary_rotation;
 
 #if INDEX_MODE != NON_INDEXED_NO_COLOR
 VARYING vec4 vertex_color;
 #endif
 
-VARYING vec2 vary_texcoord0;
-
-VARYING vec3 vary_norm;
 uniform mat4 inv_proj;
 
 uniform vec4 light_position[8];
@@ -70,13 +70,21 @@ uniform vec3 light_direction[8];
 uniform vec3 light_attenuation[8]; 
 uniform vec3 light_diffuse[8];
 
+uniform sampler2D bumpMap;
+uniform samplerCube environmentMap;
+uniform mat3 env_mat;
+
+uniform vec4 specular_color;
+
 
 uniform float shadow_offset;
 
-float calcDirectionalLight(vec3 n, vec3 l)
+vec2 calcDirectionalLight(vec3 n, vec3 l)
 {
-        float a = pow(max(dot(n,l),0.0), 0.7);
-        return a;
+	vec3 refl = normalize(reflect(vary_position.xyz, n.xyz));
+	float a = pow(max(dot(n,l),0.0), 0.7);
+	refl.x = pow(pow(max(dot(refl, l), 0.0), specular_color.w * 128), 0.6);
+	return vec2(a, refl.x);
 }
 
 float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
@@ -127,8 +135,15 @@ void main()
 #else
 	float vertex_color_alpha = vertex_color.a;
 #endif
-
-	vec3 dlight = calcDirectionalLight(vary_norm, light_position[0].xyz) * vary_directional.rgb * vary_pointlight_col;
+	
+	vec3 normal = vary_norm;
+	normal = texture2D(bumpMap, vary_texcoord0.xy).xyz * 2 - 1;
+	normal = vec3(dot(normal.xyz, vary_rotation[0]),
+				dot(normal.xyz, vary_rotation[1]),
+				dot(normal.xyz, vary_rotation[2]));
+	
+	vec2 slight = calcDirectionalLight(normal, light_position[0].xyz);
+	vec3 dlight = slight.x * vary_directional.rgb * vary_pointlight_col;
 
 	vec4 col = vec4(vary_ambient + dlight, vertex_color_alpha);
 	vec4 color = diff * col;
@@ -140,9 +155,11 @@ void main()
 
 	for (int i = 2; i < 8; i++)
 	{
-		light_col += light_diffuse[i].rgb * calcPointLightOrSpotLight(pos.xyz, vary_norm, light_position[i], light_direction[i], light_attenuation[i].x, light_attenuation[i].y, light_attenuation[i].z);
+		light_col += light_diffuse[i].rgb * calcPointLightOrSpotLight(pos.xyz, normal, light_position[i], light_direction[i], light_attenuation[i].x, light_attenuation[i].y, light_attenuation[i].z);
 	}
-	
+
+	vec3 n = normalize(reflect(vary_position.xyz, normal.xyz));
+	n = vec3(dot(n, light_position[0].xyz));
 	color.rgb += diff.rgb * vary_pointlight_col * light_col;
 
 	frag_color = color;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
index bc08cc6dbf..784472c987 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
@@ -23,16 +23,30 @@
  * $/LicenseInfo$
  */
 
+#define INDEXED 1
+#define NON_INDEXED 2
+#define NON_INDEXED_NO_COLOR 3
+
 uniform mat3 normal_matrix;
 uniform mat4 texture_matrix0;
+uniform mat4 projection_matrix;
 uniform mat4 modelview_matrix;
 uniform mat4 modelview_projection_matrix;
 
 ATTRIBUTE vec3 position;
+#if INDEX_MODE == INDEXED
 void passTextureIndex();
+#endif
 ATTRIBUTE vec3 normal;
 ATTRIBUTE vec4 diffuse_color;
 ATTRIBUTE vec2 texcoord0;
+ATTRIBUTE vec3 binormal;
+
+#if HAS_SKIN
+mat4 getObjectSkinnedTransform();
+#elif IS_AVATAR_SKIN
+mat4 getSkinnedTransform();
+#endif
 
 vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
 void calcAtmospherics(vec3 inPositionEye);
@@ -50,10 +64,14 @@ VARYING vec3 vary_fragcoord;
 VARYING vec3 vary_position;
 VARYING vec3 vary_pointlight_col;
 
+#if INDEX_MODE != NON_INDEXED_NO_COLOR
 VARYING vec4 vertex_color;
+#endif
+
 VARYING vec2 vary_texcoord0;
 
 VARYING vec3 vary_norm;
+VARYING mat3 vary_rotation;
 
 uniform float near_clip;
 uniform float shadow_offset;
@@ -102,24 +120,68 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 
 void main()
 {
+	vec4 pos;
+	vec3 norm;
+	
 	//transform vertex
+#if HAS_SKIN
+	mat4 trans = getObjectSkinnedTransform();
+	trans = modelview_matrix * trans;
+	
+	pos = trans * vec4(position.xyz, 1.0);
+	
+	norm = position.xyz + normal.xyz;
+	norm = normalize((trans * vec4(norm, 1.0)).xyz - pos.xyz);
+	vec4 frag_pos = projection_matrix * pos;
+	gl_Position = frag_pos;
+#elif IS_AVATAR_SKIN
+	mat4 trans = getSkinnedTransform();
+	vec4 pos_in = vec4(position.xyz, 1.0);
+	pos.x = dot(trans[0], pos_in);
+	pos.y = dot(trans[1], pos_in);
+	pos.z = dot(trans[2], pos_in);
+	pos.w = 1.0;
+	
+	norm.x = dot(trans[0].xyz, normal);
+	norm.y = dot(trans[1].xyz, normal);
+	norm.z = dot(trans[2].xyz, normal);
+	norm = normalize(norm);
+	
+	vec4 frag_pos = projection_matrix * pos;
+	gl_Position = frag_pos;
+#else
+	norm = normalize(normal_matrix * normal);
 	vec4 vert = vec4(position.xyz, 1.0);
-	passTextureIndex();
-	vec4 pos = (modelview_matrix * vert);
+	pos = (modelview_matrix * vert);
 	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
+#endif
 	
+#if INDEX_MODE == INDEXED
+	passTextureIndex();
 	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
+#else
+	vary_texcoord0 = texcoord0;
+#endif
 	
-	vec3 norm = normalize(normal_matrix * normal);
 	vary_norm = norm;
 	float dp_directional_light = max(0.0, dot(norm, light_position[0].xyz));
 	vary_position = pos.xyz + light_position[0].xyz * (1.0-dp_directional_light)*shadow_offset;
-		
+	
+	vec3 n = norm;
+	vec3 b = normalize(normal_matrix * binormal);
+	vec3 t = cross(b, n);
+
+	vary_rotation[0] = vec3(t.x, b.x, n.x);
+	vary_rotation[1] = vec3(t.y, b.y, n.y);
+	vary_rotation[2] = vec3(t.z, b.z, n.z);
+
 	calcAtmospherics(pos.xyz);
 
 	//vec4 color = calcLighting(pos.xyz, norm, diffuse_color, vec4(0.));
 	vec4 col = vec4(0.0, 0.0, 0.0, diffuse_color.a);
+	
 	vary_pointlight_col = diffuse_color.rgb;
+	
 	col.rgb = vec3(0,0,0);
 
 	// Add windlight lights
@@ -129,12 +191,17 @@ void main()
 	vary_directional.rgb = atmosAffectDirectionalLight(1);
 	
 	col.rgb = col.rgb*diffuse_color.rgb;
-	
+#if INDEX_MODE != NON_INDEXED_NO_COLOR
 	vertex_color = col;
-
-	
+#endif
 	
+#if HAS_SKIN
+	vary_fragcoord.xyz = frag_pos.xyz + vec3(0,0,near_clip);
+#elif IS_AVATAR_SKIN
+	vary_fragcoord.xyz = pos.xyz + vec3(0,0,near_clip);
+#else
 	pos = modelview_projection_matrix * vert;
 	vary_fragcoord.xyz = pos.xyz + vec3(0,0,near_clip);
+#endif
 	
 }