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path: root/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
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Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl')
-rwxr-xr-xindra/newview/app_settings/shaders/class1/deferred/alphaF.glsl201
1 files changed, 193 insertions, 8 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
index dd87ddb330..77a53a71aa 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
@@ -25,17 +25,33 @@
#extension GL_ARB_texture_rectangle : enable
+#define INDEXED 1
+#define NON_INDEXED 2
+#define NON_INDEXED_NO_COLOR 3
+
#ifdef DEFINE_GL_FRAGCOLOR
out vec4 frag_color;
#else
#define frag_color gl_FragColor
#endif
-uniform sampler2DRect depthMap;
+#if HAS_SHADOW
+uniform sampler2DShadow shadowMap0;
+uniform sampler2DShadow shadowMap1;
+uniform sampler2DShadow shadowMap2;
+uniform sampler2DShadow shadowMap3;
-vec4 diffuseLookup(vec2 texcoord);
+uniform vec2 shadow_res;
-uniform vec2 screen_res;
+uniform mat4 shadow_matrix[6];
+uniform vec4 shadow_clip;
+uniform float shadow_bias;
+
+#endif
+
+#ifdef USE_DIFFUSE_TEX
+uniform sampler2D diffuseMap;
+#endif
vec3 atmosLighting(vec3 light);
vec3 scaleSoftClip(vec3 light);
@@ -45,11 +61,77 @@ 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;
+#ifdef USE_VERTEX_COLOR
VARYING vec4 vertex_color;
-VARYING vec2 vary_texcoord0;
+#endif
+
+uniform vec4 light_position[8];
+uniform vec3 light_direction[8];
+uniform vec3 light_attenuation[8];
+uniform vec3 light_diffuse[8];
+
+uniform vec2 screen_res;
+
+vec3 calcDirectionalLight(vec3 n, vec3 l)
+{
+ float a = max(dot(n,l),0.0);
+ return vec3(a,a,a);
+}
+
+vec3 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
+{
+ //get light vector
+ vec3 lv = lp.xyz-v;
+
+ //get distance
+ float d = dot(lv,lv);
+
+ float da = 0.0;
+
+ if (d > 0.0 && la > 0.0 && fa > 0.0)
+ {
+ //normalize light vector
+ lv = normalize(lv);
+
+ //distance attenuation
+ float dist2 = d/la;
+ da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
+ da = pow(da, 2.2) * 2.2;
+
+ // spotlight coefficient.
+ float spot = max(dot(-ln, lv), is_pointlight);
+ da *= spot*spot; // GL_SPOT_EXPONENT=2
+
+ //angular attenuation
+ da *= max(dot(n, lv), 0.0);
+ }
+
+ return vec3(da,da,da);
+}
+
+#if HAS_SHADOW
+float pcfShadow(sampler2DShadow shadowMap, vec4 stc)
+{
+ stc.xyz /= stc.w;
+ stc.z += shadow_bias;
+
+ stc.x = floor(stc.x*shadow_res.x + fract(stc.y*shadow_res.y*12345))/shadow_res.x; // add some chaotic jitter to X sample pos according to Y to disguise the snapping going on here
+
+ float cs = shadow2D(shadowMap, stc.xyz).x;
+ float shadow = cs;
+
+ shadow += shadow2D(shadowMap, stc.xyz+vec3(2.0/shadow_res.x, 1.5/shadow_res.y, 0.0)).x;
+ shadow += shadow2D(shadowMap, stc.xyz+vec3(1.0/shadow_res.x, -1.5/shadow_res.y, 0.0)).x;
+ shadow += shadow2D(shadowMap, stc.xyz+vec3(-1.0/shadow_res.x, 1.5/shadow_res.y, 0.0)).x;
+ shadow += shadow2D(shadowMap, stc.xyz+vec3(-2.0/shadow_res.x, -1.5/shadow_res.y, 0.0)).x;
+
+ return shadow*0.2;
+}
+#endif
-uniform mat4 inv_proj;
void main()
{
@@ -58,16 +140,119 @@ void main()
vec4 pos = vec4(vary_position, 1.0);
- vec4 diff= diffuseLookup(vary_texcoord0.xy);
- vec4 col = vec4(vary_ambient + vary_directional.rgb, vertex_color.a);
+#if HAS_SHADOW
+ float shadow = 0.0;
+ vec4 spos = pos;
+
+ if (spos.z > -shadow_clip.w)
+ {
+ vec4 lpos;
+
+ vec4 near_split = shadow_clip*-0.75;
+ vec4 far_split = shadow_clip*-1.25;
+ vec4 transition_domain = near_split-far_split;
+ float weight = 0.0;
+
+ if (spos.z < near_split.z)
+ {
+ lpos = shadow_matrix[3]*spos;
+
+ float w = 1.0;
+ w -= max(spos.z-far_split.z, 0.0)/transition_domain.z;
+ shadow += pcfShadow(shadowMap3, lpos)*w;
+ weight += w;
+ shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
+ }
+
+ if (spos.z < near_split.y && spos.z > far_split.z)
+ {
+ lpos = shadow_matrix[2]*spos;
+
+ float w = 1.0;
+ w -= max(spos.z-far_split.y, 0.0)/transition_domain.y;
+ w -= max(near_split.z-spos.z, 0.0)/transition_domain.z;
+ shadow += pcfShadow(shadowMap2, lpos)*w;
+ weight += w;
+ }
+
+ if (spos.z < near_split.x && spos.z > far_split.y)
+ {
+ lpos = shadow_matrix[1]*spos;
+
+ float w = 1.0;
+ w -= max(spos.z-far_split.x, 0.0)/transition_domain.x;
+ w -= max(near_split.y-spos.z, 0.0)/transition_domain.y;
+ shadow += pcfShadow(shadowMap1, lpos)*w;
+ weight += w;
+ }
+
+ if (spos.z > far_split.x)
+ {
+ lpos = shadow_matrix[0]*spos;
+
+ float w = 1.0;
+ w -= max(near_split.x-spos.z, 0.0)/transition_domain.x;
+
+ shadow += pcfShadow(shadowMap0, lpos)*w;
+ weight += w;
+ }
+
+
+ shadow /= weight;
+ }
+ else
+ {
+ shadow = 1.0;
+ }
+#endif
+
+#ifdef USE_INDEXED_TEX
+ vec4 diff = diffuseLookup(vary_texcoord0.xy);
+#else
+ vec4 diff = texture2D(diffuseMap,vary_texcoord0.xy);
+#endif
+
+ diff.rgb = pow(diff.rgb, vec3(2.2f, 2.2f, 2.2f));
+
+#ifdef USE_VERTEX_COLOR
+ float vertex_color_alpha = vertex_color.a;
+#else
+ float vertex_color_alpha = 1.0;
+#endif
+
+ vec3 normal = vary_norm;
+
+ vec3 l = light_position[0].xyz;
+ vec3 dlight = calcDirectionalLight(normal, l) * 2.6;
+ dlight = dlight * vary_directional.rgb * vary_pointlight_col;
+
+#if HAS_SHADOW
+ vec4 col = vec4(vary_ambient + dlight * shadow, vertex_color_alpha);
+#else
+ vec4 col = vec4(vary_ambient + dlight, vertex_color_alpha);
+#endif
+
vec4 color = diff * col;
color.rgb = atmosLighting(color.rgb);
color.rgb = scaleSoftClip(color.rgb);
+ col = vec4(0,0,0,0);
+
+ #define LIGHT_LOOP(i) col.rgb += light_diffuse[i].rgb * calcPointLightOrSpotLight(pos.xyz, normal, light_position[i], light_direction[i].xyz, light_attenuation[i].x, light_attenuation[i].y, light_attenuation[i].z);
+
+ LIGHT_LOOP(1)
+ LIGHT_LOOP(2)
+ LIGHT_LOOP(3)
+ LIGHT_LOOP(4)
+ LIGHT_LOOP(5)
+ LIGHT_LOOP(6)
+ LIGHT_LOOP(7)
+
+ color.rgb += diff.rgb * vary_pointlight_col * col.rgb;
- color.rgb += diff.rgb * vary_pointlight_col.rgb;
+ color.rgb = pow(color.rgb, vec3(1.0/2.2));
frag_color = color;
}