diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1')
26 files changed, 1041 insertions, 1074 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl index 07b0f2a98a..9670b39fdb 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl @@ -84,257 +84,156 @@ uniform vec3 light_diffuse[8]; vec4 applyWaterFogView(vec3 pos, vec4 color); #endif -vec3 srgb_to_linear(vec3 cs); -vec3 linear_to_srgb(vec3 cl); vec2 encode_normal (vec3 n); vec3 decode_normal (vec2 enc); - vec3 scaleSoftClip(vec3 l); vec3 atmosFragAmbient(vec3 light, vec3 sunlit); vec3 atmosFragLighting(vec3 light, vec3 additive, vec3 atten); vec3 atmosFragAffectDirectionalLight(float light, vec3 sunlit); void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 atten, out vec3 additive); -vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 diffuse, 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 = length(lv); - - float da = 1.0; - - vec3 col = vec3(0); - - if (d > 0.0 && la > 0.0 && fa > 0.0) - { - //normalize light vector - lv = normalize(lv); - - //distance attenuation - float dist = d/la; - float dist_atten = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0); - dist_atten *= dist_atten; - dist_atten *= 2.0; - - // 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); - - float lit = max(da * dist_atten,0.0); - - col = light_col * lit * diffuse; - - // no spec for alpha shader... - } - - return max(col, vec3(0.0,0.0,0.0)); -} +float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen); -#if HAS_SHADOW -float pcfShadow(sampler2DShadow shadowMap, vec4 stc) +vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 diffuse, vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight) { - 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; + //get light vector + vec3 lv = lp.xyz-v; + + //get distance + float d = length(lv); + + float da = 1.0; + + vec3 col = vec3(0); + + if (d > 0.0 && la > 0.0 && fa > 0.0) + { + //normalize light vector + lv = normalize(lv); + + //distance attenuation + float dist = d/la; + float dist_atten = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0); + dist_atten *= dist_atten; + dist_atten *= 2.0; + + // 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); + + float lit = max(da * dist_atten,0.0); + + col = light_col * lit * diffuse; + + // no spec for alpha shader... + } + + return max(col, vec3(0.0,0.0,0.0)); } -#endif - void main() { - vec2 frag = vary_fragcoord.xy/vary_fragcoord.z*0.5+0.5; - frag *= screen_res; - - vec4 pos = vec4(vary_position, 1.0); - - float shadow = 1.0; + vec2 frag = vary_fragcoord.xy/vary_fragcoord.z*0.5+0.5; + frag *= screen_res; + + vec4 pos = vec4(vary_position, 1.0); + vec3 norm = vary_norm; -#if HAS_SHADOW - vec4 spos = pos; - - if (spos.z > -shadow_clip.w) - { - shadow = 0.0; - - 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 + float shadow = sampleDirectionalShadow(pos.xyz, norm.xyz, frag); #ifdef USE_INDEXED_TEX - vec4 diff = diffuseLookup(vary_texcoord0.xy); + vec4 diff = diffuseLookup(vary_texcoord0.xy); #else - vec4 diff = texture2D(diffuseMap,vary_texcoord0.xy); + vec4 diff = texture2D(diffuseMap,vary_texcoord0.xy); #endif #ifdef FOR_IMPOSTOR - vec4 color; - color.rgb = diff.rgb; - color.a = 1.0; + vec4 color; + color.rgb = diff.rgb; + color.a = 1.0; #ifdef USE_VERTEX_COLOR - float final_alpha = diff.a * vertex_color.a; - diff.rgb *= vertex_color.rgb; + float final_alpha = diff.a * vertex_color.a; + diff.rgb *= vertex_color.rgb; #else - float final_alpha = diff.a; + float final_alpha = diff.a; #endif - - // Insure we don't pollute depth with invis pixels in impostor rendering - // - if (final_alpha < 0.01) - { - discard; - } + + // Insure we don't pollute depth with invis pixels in impostor rendering + // + if (final_alpha < 0.01) + { + discard; + } #else - + #ifdef USE_VERTEX_COLOR - float final_alpha = diff.a * vertex_color.a; - diff.rgb *= vertex_color.rgb; + float final_alpha = diff.a * vertex_color.a; + diff.rgb *= vertex_color.rgb; #else - float final_alpha = diff.a; + float final_alpha = diff.a; #endif + vec3 sunlit; + vec3 amblit; + vec3 additive; + vec3 atten; + calcFragAtmospherics(pos.xyz, 1.0, sunlit, amblit, additive, atten); - vec4 gamma_diff = diff; - diff.rgb = srgb_to_linear(diff.rgb); - - vec3 norm = vary_norm; - - vec3 sunlit; - vec3 amblit; - vec3 additive; - vec3 atten; + vec2 abnormal = encode_normal(norm.xyz); + norm.xyz = decode_normal(abnormal.xy); - calcFragAtmospherics(pos.xyz, 1.0, sunlit, amblit, additive, atten); - - vec2 abnormal = encode_normal(norm.xyz); - norm.xyz = decode_normal(abnormal.xy); - - float sun_da = dot(norm.xyz, sun_dir.xyz); - float moon_da = dot(norm.xyz, moon_dir.xyz); + float sun_da = dot(norm.xyz, sun_dir.xyz); + float moon_da = dot(norm.xyz, moon_dir.xyz); float final_da = max(sun_da, moon_da); final_da = min(final_da, shadow); final_da = clamp(final_da, 0.0f, 1.0f); - final_da = pow(final_da, 1.0/1.3); + final_da = pow(final_da, display_gamma); - vec4 color = vec4(0,0,0,0); + vec4 color = vec4(0,0,0,0); - color.rgb = atmosFragAmbient(color.rgb, amblit); - color.a = final_alpha; + color.rgb = atmosFragAmbient(color.rgb, amblit); + color.a = final_alpha; - float ambient = abs(final_da); - ambient *= 0.5; - ambient *= ambient; - ambient = (1.0-ambient); + float ambient = abs(final_da); + ambient *= 0.5; + ambient *= ambient; + ambient = (1.0-ambient); - color.rgb *= ambient; - color.rgb += atmosFragAffectDirectionalLight(final_da, sunlit); - color.rgb *= gamma_diff.rgb; + color.rgb *= ambient; + color.rgb += (final_da * sunlit); + color.rgb *= diff.rgb; - //color.rgb = mix(diff.rgb, color.rgb, final_alpha); - - color.rgb = atmosFragLighting(color.rgb, additive, atten); - color.rgb = scaleSoftClip(color.rgb); + //color.rgb = mix(diff.rgb, color.rgb, final_alpha); + + color.rgb = atmosFragLighting(color.rgb, additive, atten); + color.rgb = scaleSoftClip(color.rgb); - vec4 light = vec4(0,0,0,0); + vec4 light = vec4(0,0,0,0); - color.rgb = srgb_to_linear(color.rgb); - #define LIGHT_LOOP(i) light.rgb += calcPointLightOrSpotLight(light_diffuse[i].rgb, diff.rgb, pos.xyz, norm, 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) - - // keep it linear - // - color.rgb += light.rgb; + LIGHT_LOOP(1) + LIGHT_LOOP(2) + LIGHT_LOOP(3) + LIGHT_LOOP(4) + LIGHT_LOOP(5) + LIGHT_LOOP(6) + LIGHT_LOOP(7) - // straight to display gamma, we're post-deferred - // - color.rgb = linear_to_srgb(color.rgb); + // keep it linear + // + color.rgb += light.rgb; #ifdef WATER_FOG - color = applyWaterFogView(pos.xyz, color); + color = applyWaterFogView(pos.xyz, color); #endif #endif - frag_color = color; + frag_color = color; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl new file mode 100644 index 0000000000..3bb59dd7f9 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl @@ -0,0 +1,93 @@ +/** + * @file class1/deferred/aoUtil.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 sampler2D noiseMap; + +uniform float ssao_radius; +uniform float ssao_max_radius; +uniform float ssao_factor; +uniform float ssao_factor_inv; + +vec4 getPosition(vec2 pos_screen); + +vec2 getKern(int i) +{ + vec2 kern[8]; + // exponentially (^2) distant occlusion samples spread around origin + kern[0] = vec2(-1.0, 0.0) * 0.125*0.125; + kern[1] = vec2(1.0, 0.0) * 0.250*0.250; + kern[2] = vec2(0.0, 1.0) * 0.375*0.375; + kern[3] = vec2(0.0, -1.0) * 0.500*0.500; + kern[4] = vec2(0.7071, 0.7071) * 0.625*0.625; + kern[5] = vec2(-0.7071, -0.7071) * 0.750*0.750; + kern[6] = vec2(-0.7071, 0.7071) * 0.875*0.875; + kern[7] = vec2(0.7071, -0.7071) * 1.000*1.000; + + return kern[i]; +} + +//calculate decreases in ambient lighting when crowded out (SSAO) +float calcAmbientOcclusion(vec4 pos, vec3 norm, vec2 pos_screen) +{ + float ret = 1.0; + vec3 pos_world = pos.xyz; + vec2 noise_reflect = texture2D(noiseMap, pos_screen.xy/128.0).xy; + + float angle_hidden = 0.0; + float points = 0; + + float scale = min(ssao_radius / -pos_world.z, ssao_max_radius); + + // it was found that keeping # of samples a constant was the fastest, probably due to compiler optimizations (unrolling?) + for (int i = 0; i < 8; i++) + { + vec2 samppos_screen = pos_screen + scale * reflect(getKern(i), noise_reflect); + vec3 samppos_world = getPosition(samppos_screen).xyz; + + vec3 diff = pos_world - samppos_world; + float dist2 = dot(diff, diff); + + // assume each sample corresponds to an occluding sphere with constant radius, constant x-sectional area + // --> solid angle shrinking by the square of distance + //radius is somewhat arbitrary, can approx with just some constant k * 1 / dist^2 + //(k should vary inversely with # of samples, but this is taken care of later) + + float funky_val = (dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) ? 1.0 : 0.0; + angle_hidden = angle_hidden + funky_val * min(1.0/dist2, ssao_factor_inv); + + // 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" + float diffz_val = (diff.z > -1.0) ? 1.0 : 0.0; + points = points + diffz_val; + } + + angle_hidden = min(ssao_factor*angle_hidden/points, 1.0); + + float points_val = (points > 0.0) ? 1.0 : 0.0; + ret = (1.0 - (points_val * angle_hidden)); + + ret = max(ret, 0.0); + return min(ret, 1.0); +} + diff --git a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl index b56abb66d1..812f375f42 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl @@ -33,7 +33,6 @@ out vec4 frag_color; #define frag_color gl_FragColor #endif -uniform sampler2DRect depthMap; uniform sampler2DRect normalMap; uniform sampler2DRect lightMap; @@ -45,85 +44,69 @@ uniform float kern_scale; VARYING vec2 vary_fragcoord; -uniform mat4 inv_proj; -uniform vec2 screen_res; - -vec4 getPosition(vec2 pos_screen) -{ - float depth = texture2DRect(depthMap, pos_screen.xy).r; - vec2 sc = pos_screen.xy*2.0; - sc /= screen_res; - sc -= vec2(1.0,1.0); - vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0); - vec4 pos = inv_proj * ndc; - pos /= pos.w; - pos.w = 1.0; - return pos; -} - +vec4 getPosition(vec2 pos_screen); +vec3 getNorm(vec2 pos_screen); vec3 decode_normal (vec2 enc); void main() { vec2 tc = vary_fragcoord.xy; - vec3 norm = texture2DRect(normalMap, tc).xyz; - norm = decode_normal(norm.xy); // unpack norm - - vec3 pos = getPosition(tc).xyz; - vec4 ccol = texture2DRect(lightMap, tc).rgba; - - vec2 dlt = kern_scale * delta / (1.0+norm.xy*norm.xy); - dlt /= max(-pos.z*dist_factor, 1.0); - - vec2 defined_weight = kern[0].xy; // special case the first (centre) sample's weight in the blur; we have to sample it anyway so we get it for 'free' - vec4 col = defined_weight.xyxx * ccol; - - // relax tolerance according to distance to avoid speckling artifacts, as angles and distances are a lot more abrupt within a small screen area at larger distances - float pointplanedist_tolerance_pow2 = pos.z*pos.z*0.00005; - - // perturb sampling origin slightly in screen-space to hide edge-ghosting artifacts where smoothing radius is quite large - float tc_mod = 0.5*(tc.x + tc.y); // mod(tc.x+tc.y,2) - tc_mod -= floor(tc_mod); - tc_mod *= 2.0; - tc += ( (tc_mod - 0.5) * kern[1].z * dlt * 0.5 ); - - for (int i = 1; i < 4; i++) - { - vec2 samptc = tc + kern[i].z*dlt; - vec3 samppos = getPosition(samptc).xyz; - - float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane - - if (d*d <= pointplanedist_tolerance_pow2) - { - col += texture2DRect(lightMap, samptc)*kern[i].xyxx; - defined_weight += kern[i].xy; - } - } - - for (int i = 1; i < 4; i++) - { - vec2 samptc = tc - kern[i].z*dlt; - vec3 samppos = getPosition(samptc).xyz; - - float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane - - if (d*d <= pointplanedist_tolerance_pow2) - { - col += texture2DRect(lightMap, samptc)*kern[i].xyxx; - defined_weight += kern[i].xy; - } - } - - col /= defined_weight.xyxx; - col.y *= col.y; - - frag_color = col; + vec3 norm = getNorm(tc); + vec3 pos = getPosition(tc).xyz; + vec4 ccol = texture2DRect(lightMap, tc).rgba; + + vec2 dlt = kern_scale * delta / (1.0+norm.xy*norm.xy); + dlt /= max(-pos.z*dist_factor, 1.0); + + vec2 defined_weight = kern[0].xy; // special case the first (centre) sample's weight in the blur; we have to sample it anyway so we get it for 'free' + vec4 col = defined_weight.xyxx * ccol; + + // relax tolerance according to distance to avoid speckling artifacts, as angles and distances are a lot more abrupt within a small screen area at larger distances + float pointplanedist_tolerance_pow2 = pos.z*pos.z*0.00005; + + // perturb sampling origin slightly in screen-space to hide edge-ghosting artifacts where smoothing radius is quite large + float tc_mod = 0.5*(tc.x + tc.y); // mod(tc.x+tc.y,2) + tc_mod -= floor(tc_mod); + tc_mod *= 2.0; + tc += ( (tc_mod - 0.5) * kern[1].z * dlt * 0.5 ); + + for (int i = 1; i < 4; i++) + { + vec2 samptc = tc + kern[i].z*dlt; + vec3 samppos = getPosition(samptc).xyz; + + float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane + + if (d*d <= pointplanedist_tolerance_pow2) + { + col += texture2DRect(lightMap, samptc)*kern[i].xyxx; + defined_weight += kern[i].xy; + } + } + + for (int i = 1; i < 4; i++) + { + vec2 samptc = tc - kern[i].z*dlt; + vec3 samppos = getPosition(samptc).xyz; + + float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane + + if (d*d <= pointplanedist_tolerance_pow2) + { + col += texture2DRect(lightMap, samptc)*kern[i].xyxx; + defined_weight += kern[i].xy; + } + } + + col /= defined_weight.xyxx; + col.y *= col.y; + + frag_color = col; #ifdef IS_AMD_CARD - // If it's AMD make sure the GLSL compiler sees the arrays referenced once by static index. Otherwise it seems to optimise the storage awawy which leads to unfun crashes and artifacts. - vec3 dummy1 = kern[0]; - vec3 dummy2 = kern[3]; + // If it's AMD make sure the GLSL compiler sees the arrays referenced once by static index. Otherwise it seems to optimise the storage awawy which leads to unfun crashes and artifacts. + vec3 dummy1 = kern[0]; + vec3 dummy2 = kern[3]; #endif } diff --git a/indra/newview/app_settings/shaders/class1/deferred/cloudShadowF.glsl b/indra/newview/app_settings/shaders/class1/deferred/cloudShadowF.glsl new file mode 100644 index 0000000000..fa6926b007 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/deferred/cloudShadowF.glsl @@ -0,0 +1,121 @@ +/** + * @file class3/deferred/cloudsF.glsl + * + * $LicenseInfo:firstyear=2005&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2005, 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 + * $/LicenseInfo$ + */ + +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 frag_color; +#else +#define frag_color gl_FragColor +#endif + +uniform sampler2D diffuseMap; + +VARYING vec4 pos; +VARYING float target_pos_x; +VARYING float vary_CloudDensity; +VARYING vec2 vary_texcoord0; +VARYING vec2 vary_texcoord1; +VARYING vec2 vary_texcoord2; +VARYING vec2 vary_texcoord3; + +uniform sampler2D cloud_noise_texture; +uniform sampler2D cloud_noise_texture_next; +uniform float blend_factor; +uniform vec4 cloud_pos_density1; +uniform vec4 cloud_pos_density2; +uniform vec4 sunlight_color; +uniform vec4 cloud_color; +uniform float cloud_shadow; +uniform float cloud_scale; +uniform float cloud_variance; +uniform vec3 ambient; +uniform vec3 camPosLocal; +uniform vec3 sun_dir; +uniform float sun_size; +uniform float far_z; + +#if !DEPTH_CLAMP +VARYING vec4 post_pos; +#endif + +vec4 cloudNoise(vec2 uv) +{ + vec4 a = texture2D(cloud_noise_texture, uv); + vec4 b = texture2D(cloud_noise_texture_next, uv); + vec4 cloud_noise_sample = mix(a, b, blend_factor); + return normalize(cloud_noise_sample); +} + +void main() +{ + // Set variables + vec2 uv1 = vary_texcoord0.xy; + vec2 uv2 = vary_texcoord1.xy; + vec2 uv3 = vary_texcoord2.xy; + float cloudDensity = 2.0 * (cloud_shadow - 0.25); + + vec2 uv4 = vary_texcoord3.xy; + + vec2 disturbance = vec2(cloudNoise(uv1 / 8.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); + vec2 disturbance2 = vec2(cloudNoise((uv1 + uv3) / 4.0f).x, cloudNoise((uv4 + uv2) / 8.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); + + // Offset texture coords + uv1 += cloud_pos_density1.xy + (disturbance * 0.02); //large texture, visible density + uv2 += cloud_pos_density1.xy; //large texture, self shadow + uv3 += cloud_pos_density2.xy; //small texture, visible density + uv4 += cloud_pos_density2.xy; //small texture, self shadow + + float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0 + disturbance2.x + disturbance2.y)); + + cloudDensity *= 1.0 - (density_variance * density_variance); + + // Compute alpha1, the main cloud opacity + float alpha1 = (cloudNoise(uv1).x - 0.5) + (cloudNoise(uv3).x - 0.5) * cloud_pos_density2.z; + alpha1 = min(max(alpha1 + cloudDensity, 0.) * 10 * cloud_pos_density1.z, 1.); + + // And smooth + alpha1 = 1. - alpha1 * alpha1; + alpha1 = 1. - alpha1 * alpha1; + + if (alpha1 < 0.001f) + { + discard; + } + + // Compute alpha2, for self shadowing effect + // (1 - alpha2) will later be used as percentage of incoming sunlight + float alpha2 = (cloudNoise(uv2).x - 0.5); + alpha2 = min(max(alpha2 + cloudDensity, 0.) * 2.5 * cloud_pos_density1.z, 1.); + + // And smooth + alpha2 = 1. - alpha2; + alpha2 = 1. - alpha2 * alpha2; + + frag_color = vec4(alpha1, alpha1, alpha1, 1); + +#if !DEPTH_CLAMP + gl_FragDepth = max(post_pos.z/post_pos.w*0.5+0.5, 0.0); +#endif + +} diff --git a/indra/newview/app_settings/shaders/class1/deferred/cloudShadowV.glsl b/indra/newview/app_settings/shaders/class1/deferred/cloudShadowV.glsl new file mode 100644 index 0000000000..cb27b2c2c5 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/deferred/cloudShadowV.glsl @@ -0,0 +1,63 @@ +/** + * @file cloudShadowV.glsl + * + * $LicenseInfo:firstyear=2011&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2011, 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 texture_matrix0; +uniform mat4 modelview_projection_matrix; +uniform float shadow_target_width; + +ATTRIBUTE vec3 position; +ATTRIBUTE vec4 diffuse_color; +ATTRIBUTE vec2 texcoord0; + +#if !DEPTH_CLAMP +VARYING float pos_zd2; +#endif + +VARYING vec4 pos; +VARYING float target_pos_x; +VARYING vec2 vary_texcoord0; +VARYING vec4 vertex_color; + +void passTextureIndex(); + +void main() +{ + //transform vertex + vec4 pre_pos = vec4(position.xyz, 1.0); + pos = modelview_projection_matrix * pre_pos; + target_pos_x = 0.5 * (shadow_target_width - 1.0) * pos.x; + +#if !DEPTH_CLAMP + pos_zd2 = pos.z * 0.5; + gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w); +#else + gl_Position = pos; +#endif + + passTextureIndex(); + + vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy; + vertex_color = diffuse_color; +} diff --git a/indra/newview/app_settings/shaders/class1/deferred/cofF.glsl b/indra/newview/app_settings/shaders/class1/deferred/cofF.glsl index fef1c5a584..380d382020 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/cofF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/cofF.glsl @@ -50,14 +50,7 @@ uniform vec2 screen_res; VARYING vec2 vary_fragcoord; -float getDepth(vec2 pos_screen) -{ - float z = texture2DRect(depthMap, pos_screen.xy).r; - z = z*2.0-1.0; - vec4 ndc = vec4(0.0, 0.0, z, 1.0); - vec4 p = inv_proj*ndc; - return p.z/p.w; -} +float getDepth(vec2 pos_screen); float calc_cof(float depth) { diff --git a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl index ec05dab57f..9d7a7f6556 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl @@ -25,29 +25,6 @@ uniform sampler2DRect normalMap; uniform sampler2DRect depthMap; -uniform sampler2D noiseMap; -uniform sampler2DShadow shadowMap0; -uniform sampler2DShadow shadowMap1; -uniform sampler2DShadow shadowMap2; -uniform sampler2DShadow shadowMap3; -uniform sampler2DShadow shadowMap4; -uniform sampler2DShadow shadowMap5; - -uniform float ssao_radius; -uniform float ssao_max_radius; -uniform float ssao_factor; -uniform float ssao_factor_inv; - -uniform vec3 sun_dir; -uniform vec3 moon_dir; -uniform vec2 shadow_res; -uniform vec2 proj_shadow_res; -uniform mat4 shadow_matrix[6]; -uniform vec4 shadow_clip; -uniform float shadow_bias; - -uniform float spot_shadow_bias; -uniform float spot_shadow_offset; uniform mat4 inv_proj; uniform vec2 screen_res; @@ -87,8 +64,6 @@ vec4 getPosition(vec2 pos_screen) return pos; } -#if USE_DEFERRED_SHADER_API - vec4 getPositionWithDepth(vec2 pos_screen, float depth) { vec2 sc = getScreenCoordinate(pos_screen); @@ -98,200 +73,3 @@ vec4 getPositionWithDepth(vec2 pos_screen, float depth) pos.w = 1.0; return pos; } - -float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float bias_scale, vec2 pos_screen) -{ - stc.xyz /= stc.w; - stc.z += shadow_bias * bias_scale; - - stc.x = floor(stc.x*pos_screen.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; -} - -float pcfSpotShadow(sampler2DShadow shadowMap, vec4 stc, float bias_scale, vec2 pos_screen) -{ - stc.xyz /= stc.w; - stc.z += spot_shadow_bias * bias_scale; - stc.x = floor(proj_shadow_res.x * stc.x + fract(pos_screen.y*0.666666666)) / proj_shadow_res.x; // snap - - float cs = shadow2D(shadowMap, stc.xyz).x; - float shadow = cs; - - vec2 off = 1.0/proj_shadow_res; - off.y *= 1.5; - - shadow += shadow2D(shadowMap, stc.xyz+vec3(off.x*2.0, off.y, 0.0)).x; - shadow += shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)).x; - shadow += shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)).x; - shadow += shadow2D(shadowMap, stc.xyz+vec3(-off.x*2.0, -off.y, 0.0)).x; - return shadow*0.2; -} - -float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen) -{ - float dp_sun = max(0.0, dot(sun_dir.xyz, norm)); - float dp_moon = max(0.0, dot(moon_dir.xyz, norm)); - float dp_directional_light = max(dp_sun,dp_moon); - dp_directional_light = clamp(dp_directional_light, 0.0, 1.0); - - vec3 light_dir = (dp_moon > dp_sun) ? moon_dir : sun_dir; - vec3 offset = light_dir * (1.0-dp_directional_light); - vec3 shadow_pos = pos.xyz + (offset * shadow_bias); - - float shadow = 0.0f; - vec4 spos = vec4(shadow_pos,1.0); - 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, 0.5, pos_screen)*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, 0.75, pos_screen)*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, 0.88, pos_screen)*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, 1.0, pos_screen)*w; - weight += w; - } - - shadow /= weight; - } - return shadow; -} - -float sampleSpotShadow(vec3 pos, vec3 norm, int index, vec2 pos_screen) -{ - float shadow = 0.0f; - pos += norm * spot_shadow_offset; - - vec4 spos = vec4(pos,1.0); - 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; - - { - lpos = shadow_matrix[4 + index]*spos; - float w = 1.0; - w -= max(spos.z-far_split.z, 0.0)/transition_domain.z; - - shadow += pcfSpotShadow((index == 0) ? shadowMap4 : shadowMap5, lpos, 0.8, spos.xy)*w; - weight += w; - shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0); - } - - shadow /= weight; - } - return shadow; -} - -vec2 getKern(int i) -{ - vec2 kern[8]; - // exponentially (^2) distant occlusion samples spread around origin - kern[0] = vec2(-1.0, 0.0) * 0.125*0.125; - kern[1] = vec2(1.0, 0.0) * 0.250*0.250; - kern[2] = vec2(0.0, 1.0) * 0.375*0.375; - kern[3] = vec2(0.0, -1.0) * 0.500*0.500; - kern[4] = vec2(0.7071, 0.7071) * 0.625*0.625; - kern[5] = vec2(-0.7071, -0.7071) * 0.750*0.750; - kern[6] = vec2(-0.7071, 0.7071) * 0.875*0.875; - kern[7] = vec2(0.7071, -0.7071) * 1.000*1.000; - - return kern[i]; -} - -//calculate decreases in ambient lighting when crowded out (SSAO) -float calcAmbientOcclusion(vec4 pos, vec3 norm, vec2 pos_screen) -{ - float ret = 1.0; - vec3 pos_world = pos.xyz; - vec2 noise_reflect = texture2D(noiseMap, pos_screen.xy/128.0).xy; - - float angle_hidden = 0.0; - float points = 0; - - float scale = min(ssao_radius / -pos_world.z, ssao_max_radius); - - // it was found that keeping # of samples a constant was the fastest, probably due to compiler optimizations (unrolling?) - for (int i = 0; i < 8; i++) - { - vec2 samppos_screen = pos_screen + scale * reflect(getKern(i), noise_reflect); - vec3 samppos_world = getPosition(samppos_screen).xyz; - - vec3 diff = pos_world - samppos_world; - float dist2 = dot(diff, diff); - - // assume each sample corresponds to an occluding sphere with constant radius, constant x-sectional area - // --> solid angle shrinking by the square of distance - //radius is somewhat arbitrary, can approx with just some constant k * 1 / dist^2 - //(k should vary inversely with # of samples, but this is taken care of later) - - float funky_val = (dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) ? 1.0 : 0.0; - angle_hidden = angle_hidden + funky_val * min(1.0/dist2, ssao_factor_inv); - - // 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" - float diffz_val = (diff.z > -1.0) ? 1.0 : 0.0; - points = points + diffz_val; - } - - angle_hidden = min(ssao_factor*angle_hidden/points, 1.0); - - float points_val = (points > 0.0) ? 1.0 : 0.0; - ret = (1.0 - (points_val * angle_hidden)); - - ret = max(ret, 0.0); - return min(ret, 1.0); -} - -#endif - diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl index 0e21e5925d..2db737a427 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl @@ -45,9 +45,6 @@ VARYING vec2 vary_texcoord0; vec4 applyWaterFogView(vec3 pos, vec4 color); #endif -vec3 srgb_to_linear(vec3 cs); -vec3 linear_to_srgb(vec3 cl); - vec3 fullbrightAtmosTransportDeferred(vec3 light) { return light; @@ -81,12 +78,9 @@ void main() #endif color.rgb *= vertex_color.rgb; - color.rgb = srgb_to_linear(color.rgb); color.rgb = fullbrightAtmosTransportDeferred(color.rgb); color.rgb = fullbrightScaleSoftClipDeferred(color.rgb); - color.rgb = linear_to_srgb(color.rgb); - #ifdef WATER_FOG vec3 pos = vary_position; vec4 fogged = applyWaterFogView(pos, vec4(color.rgb, final_alpha)); diff --git a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl index 6ba16b169c..d29e8a9423 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl @@ -40,8 +40,6 @@ uniform sampler2D specularMap; VARYING vec2 vary_texcoord0; -vec3 linear_to_srgb(vec3 cl); - void main() { vec4 col = texture2D(diffuseMap, vary_texcoord0.xy); @@ -54,8 +52,6 @@ void main() vec4 norm = texture2D(normalMap, vary_texcoord0.xy); vec4 spec = texture2D(specularMap, vary_texcoord0.xy); - col.rgb = linear_to_srgb(col.rgb); - frag_data[0] = vec4(col.rgb, 0.0); frag_data[1] = spec; frag_data[2] = vec4(norm.xy,0,0); diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl index 7d5ae7c2e7..0f7c514e94 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl @@ -25,9 +25,9 @@ /*[EXTRA_CODE_HERE]*/ -#define DIFFUSE_ALPHA_MODE_IGNORE 0 -#define DIFFUSE_ALPHA_MODE_BLEND 1 -#define DIFFUSE_ALPHA_MODE_MASK 2 +#define DIFFUSE_ALPHA_MODE_IGNORE 0 +#define DIFFUSE_ALPHA_MODE_BLEND 1 +#define DIFFUSE_ALPHA_MODE_MASK 2 #define DIFFUSE_ALPHA_MODE_EMISSIVE 3 uniform float emissive_brightness; @@ -37,10 +37,6 @@ uniform float display_gamma; vec4 applyWaterFogView(vec3 pos, vec4 color); #endif -vec3 srgb_to_linear(vec3 cs); -vec3 linear_to_srgb(vec3 cl); - -vec3 atmosFragAmbient(vec3 l, vec3 ambient); vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten); vec3 scaleSoftClipFrag(vec3 l); @@ -54,40 +50,10 @@ out vec4 frag_color; #define frag_color gl_FragColor #endif -#if HAS_SUN_SHADOW - -uniform sampler2DShadow shadowMap0; -uniform sampler2DShadow shadowMap1; -uniform sampler2DShadow shadowMap2; -uniform sampler2DShadow shadowMap3; - -uniform mat4 shadow_matrix[6]; -uniform vec4 shadow_clip; -uniform vec2 shadow_res; -uniform float shadow_bias; - -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 +float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen); uniform samplerCube environmentMap; -uniform sampler2D lightFunc; +uniform sampler2D lightFunc; // Inputs uniform vec4 morphFactor; @@ -113,83 +79,70 @@ uniform vec3 light_diffuse[8]; vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 npos, vec3 diffuse, vec4 spec, vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight, inout float glare) { - //get light vector - vec3 lv = lp.xyz-v; - - //get distance - float d = length(lv); - - float da = 1.0; - - vec3 col = vec3(0,0,0); - - if (d > 0.0 && la > 0.0 && fa > 0.0) - { - //normalize light vector - lv = normalize(lv); - - //distance attenuation - float dist = d/la; - float dist_atten = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0); - dist_atten *= dist_atten; - dist_atten *= 2.0; - - // 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); - - float lit = max(da * dist_atten, 0.0); - - col = light_col*lit*diffuse; - - if (spec.a > 0.0) - { - //vec3 ref = dot(pos+lv, norm); - vec3 h = normalize(lv+npos); - float nh = dot(n, h); - float nv = dot(n, npos); - float vh = dot(npos, h); - float sa = nh; - float fres = pow(1 - dot(h, npos), 5)*0.4+0.5; - - float gtdenom = 2 * nh; - float gt = max(0, min(gtdenom * nv / vh, gtdenom * da / vh)); - - if (nh > 0.0) - { - float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da); - vec3 speccol = lit*scol*light_col.rgb*spec.rgb; - col += speccol; - - float cur_glare = max(speccol.r, speccol.g); - cur_glare = max(cur_glare, speccol.b); - glare = max(glare, speccol.r); - glare += max(cur_glare, 0.0); - //col += spec.rgb; - } - } - } - - return max(col, vec3(0.0,0.0,0.0)); - -} + //get light vector + vec3 lv = lp.xyz-v; + + //get distance + float d = length(lv); + + float da = 1.0; + + vec3 col = vec3(0,0,0); + + if (d > 0.0 && la > 0.0 && fa > 0.0) + { + //normalize light vector + lv = normalize(lv); + + //distance attenuation + float dist = d/la; + float dist_atten = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0); + dist_atten *= dist_atten; + dist_atten *= 2.0; + + // 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); + + float lit = max(da * dist_atten, 0.0); + + col = light_col*lit*diffuse; + + if (spec.a > 0.0) + { + //vec3 ref = dot(pos+lv, norm); + vec3 h = normalize(lv+npos); + float nh = dot(n, h); + float nv = dot(n, npos); + float vh = dot(npos, h); + float sa = nh; + float fres = pow(1 - dot(h, npos), 5)*0.4+0.5; + + float gtdenom = 2 * nh; + float gt = max(0, min(gtdenom * nv / vh, gtdenom * da / vh)); + + if (nh > 0.0) + { + float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da); + vec3 speccol = lit*scol*light_col.rgb*spec.rgb; + col += speccol; + + float cur_glare = max(speccol.r, speccol.g); + cur_glare = max(cur_glare, speccol.b); + glare = max(glare, speccol.r); + glare += max(cur_glare, 0.0); + //col += spec.rgb; + } + } + } + + return max(col, vec3(0.0,0.0,0.0)); -vec4 getPosition_d(vec2 pos_screen, float depth) -{ - vec2 sc = pos_screen.xy*2.0; - sc /= screen_res; - sc -= vec2(1.0,1.0); - vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0); - vec4 pos = inv_proj * ndc; - pos /= pos.w; - pos.w = 1.0; - return pos; } - #else #ifdef DEFINE_GL_FRAGCOLOR out vec4 frag_data[3]; @@ -234,262 +187,188 @@ vec3 decode_normal (vec2 enc); void main() { - vec4 diffcol = texture2D(diffuseMap, vary_texcoord0.xy); - diffcol.rgb *= vertex_color.rgb; + vec2 pos_screen = vary_texcoord0.xy; + + vec4 diffcol = texture2D(diffuseMap, vary_texcoord0.xy); + diffcol.rgb *= vertex_color.rgb; #if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_MASK) - if (diffcol.a < minimum_alpha) - { - discard; - } + if (diffcol.a < minimum_alpha) + { + discard; + } #endif #if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND) - vec3 gamma_diff = diffcol.rgb; - diffcol.rgb = srgb_to_linear(diffcol.rgb); + vec3 gamma_diff = diffcol.rgb; #endif #if HAS_SPECULAR_MAP - vec4 spec = texture2D(specularMap, vary_texcoord2.xy); - spec.rgb *= specular_color.rgb; + vec4 spec = texture2D(specularMap, vary_texcoord2.xy); + spec.rgb *= specular_color.rgb; #else - vec4 spec = vec4(specular_color.rgb, 1.0); + vec4 spec = vec4(specular_color.rgb, 1.0); #endif #if HAS_NORMAL_MAP - vec4 norm = texture2D(bumpMap, vary_texcoord1.xy); + vec4 norm = texture2D(bumpMap, vary_texcoord1.xy); - norm.xyz = norm.xyz * 2 - 1; + norm.xyz = norm.xyz * 2 - 1; - vec3 tnorm = vec3(dot(norm.xyz,vary_mat0), - dot(norm.xyz,vary_mat1), - dot(norm.xyz,vary_mat2)); + vec3 tnorm = vec3(dot(norm.xyz,vary_mat0), + dot(norm.xyz,vary_mat1), + dot(norm.xyz,vary_mat2)); #else - vec4 norm = vec4(0,0,0,1.0); - vec3 tnorm = vary_normal; + vec4 norm = vec4(0,0,0,1.0); + vec3 tnorm = vary_normal; #endif norm.xyz = tnorm; norm.xyz = normalize(norm.xyz); - vec2 abnormal = encode_normal(norm.xyz); - norm.xyz = decode_normal(abnormal.xy); + vec2 abnormal = encode_normal(norm.xyz); + norm.xyz = decode_normal(abnormal.xy); - vec4 final_color = diffcol; - + vec4 final_color = diffcol; + #if (DIFFUSE_ALPHA_MODE != DIFFUSE_ALPHA_MODE_EMISSIVE) - final_color.a = emissive_brightness; + final_color.a = emissive_brightness; #else - final_color.a = max(final_color.a, emissive_brightness); + final_color.a = max(final_color.a, emissive_brightness); #endif - vec4 final_specular = spec; + vec4 final_specular = spec; #if HAS_SPECULAR_MAP - vec4 final_normal = vec4(encode_normal(normalize(tnorm)), env_intensity * spec.a, 0.0); - final_specular.a = specular_color.a * norm.a; + vec4 final_normal = vec4(encode_normal(normalize(tnorm)), env_intensity * spec.a, 0.0); + final_specular.a = specular_color.a * norm.a; #else - vec4 final_normal = vec4(encode_normal(normalize(tnorm)), env_intensity, 0.0); - final_specular.a = specular_color.a; + vec4 final_normal = vec4(encode_normal(normalize(tnorm)), env_intensity, 0.0); + final_specular.a = specular_color.a; #endif - + #if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND) - //forward rendering, output just lit RGBA - vec3 pos = vary_position; - -#if HAS_SUN_SHADOW - float shadow = 0.0; - - vec4 spos = vec4(pos,1.0); - - 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; - } -#else - float shadow = 1.0; -#endif + //forward rendering, output just lit RGBA + vec3 pos = vary_position; + + float shadow = sampleDirectionalShadow(pos.xyz, norm.xyz, pos_screen); - spec = final_specular; - vec4 diffuse = final_color; - float envIntensity = final_normal.z; + spec = final_specular; + vec4 diffuse = final_color; + float envIntensity = final_normal.z; vec3 col = vec3(0.0f,0.0f,0.0f); - float bloom = 0.0; + float bloom = 0.0; vec3 sunlit; vec3 amblit; vec3 additive; vec3 atten; - calcFragAtmospherics(pos.xyz, 1.0, sunlit, amblit, additive, atten); - - vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz)); + calcFragAtmospherics(pos.xyz, 1.0, sunlit, amblit, additive, atten); + + vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz)); - float sun_da = dot(norm.xyz, sun_dir.xyz); - float moon_da = dot(norm.xyz, moon_dir.xyz); + float sun_da = dot(norm.xyz, sun_dir.xyz); + float moon_da = dot(norm.xyz, moon_dir.xyz); float final_da = max(sun_da,moon_da); final_da = min(final_da, shadow); //final_da = max(final_da, diffuse.a); final_da = max(final_da, 0.0f); - final_da = min(final_da, 1.0f); - final_da = pow(final_da, 1.0/1.3); + final_da = min(final_da, 1.0f); + final_da = pow(final_da, display_gamma); - col.rgb = atmosFragAmbient(col, amblit); - - float ambient = min(abs(final_da), 1.0); - ambient *= 0.5; - ambient *= ambient; - ambient = (1.0-ambient); + col.rgb = (col * 0.5) + amblit; + + float ambient = min(abs(final_da), 1.0); + ambient *= 0.5; + ambient *= ambient; + ambient = (1.0-ambient); - col.rgb *= ambient; + col.rgb *= ambient; - col.rgb = col.rgb + (final_da * sunlit); + col.rgb = col.rgb + (final_da * sunlit); - col.rgb *= gamma_diff.rgb; - + col.rgb *= gamma_diff.rgb; + - float glare = 0.0; + float glare = 0.0; - if (spec.a > 0.0) // specular reflection - { - // the old infinite-sky shiny reflection - // - + if (spec.a > 0.0) // specular reflection + { + // the old infinite-sky shiny reflection + // + float sa = dot(refnormpersp, sun_dir.xyz); - vec3 dumbshiny = sunlit*shadow*(texture2D(lightFunc, vec2(sa, spec.a)).r); - - // add the two types of shiny together - vec3 spec_contrib = dumbshiny * spec.rgb; - bloom = dot(spec_contrib, spec_contrib) / 6; - - glare = max(spec_contrib.r, spec_contrib.g); - glare = max(glare, spec_contrib.b); - - col += spec_contrib; - } + vec3 dumbshiny = sunlit*shadow*(texture2D(lightFunc, vec2(sa, spec.a)).r); + + // add the two types of shiny together + vec3 spec_contrib = dumbshiny * spec.rgb; + bloom = dot(spec_contrib, spec_contrib) / 6; + glare = max(spec_contrib.r, spec_contrib.g); + glare = max(glare, spec_contrib.b); - col = mix(col.rgb, diffcol.rgb, diffuse.a); + col += spec_contrib; + } - if (envIntensity > 0.0) - { - //add environmentmap - vec3 env_vec = env_mat * refnormpersp; - - vec3 refcol = textureCube(environmentMap, env_vec).rgb; - col = mix(col.rgb, refcol, - envIntensity); + col = mix(col.rgb, diffcol.rgb, diffuse.a); - float cur_glare = max(refcol.r, refcol.g); - cur_glare = max(cur_glare, refcol.b); - cur_glare *= envIntensity*4.0; - glare += cur_glare; - } + if (envIntensity > 0.0) + { + //add environmentmap + vec3 env_vec = env_mat * refnormpersp; + + vec3 refcol = textureCube(environmentMap, env_vec).rgb; - //col = mix(atmosLighting(col), fullbrightAtmosTransport(col), diffuse.a); - //col = mix(scaleSoftClip(col), fullbrightScaleSoftClip(col), diffuse.a); + col = mix(col.rgb, refcol, + envIntensity); - col = atmosFragLighting(col, additive, atten); - col = scaleSoftClipFrag(col); + float cur_glare = max(refcol.r, refcol.g); + cur_glare = max(cur_glare, refcol.b); + cur_glare *= envIntensity*4.0; + glare += cur_glare; + } - //convert to linear space before adding local lights - col = srgb_to_linear(col); + col = atmosFragLighting(col, additive, atten); - vec3 npos = normalize(-pos.xyz); - - vec3 light = vec3(0,0,0); + vec3 npos = normalize(-pos.xyz); + + vec3 light = vec3(0,0,0); #define LIGHT_LOOP(i) light.rgb += calcPointLightOrSpotLight(light_diffuse[i].rgb, npos, diffuse.rgb, final_specular, pos.xyz, norm.xyz, light_position[i], light_direction[i].xyz, light_attenuation[i].x, light_attenuation[i].y, light_attenuation[i].z, glare); - LIGHT_LOOP(1) - LIGHT_LOOP(2) - LIGHT_LOOP(3) - LIGHT_LOOP(4) - LIGHT_LOOP(5) - LIGHT_LOOP(6) - LIGHT_LOOP(7) + LIGHT_LOOP(1) + LIGHT_LOOP(2) + LIGHT_LOOP(3) + LIGHT_LOOP(4) + LIGHT_LOOP(5) + LIGHT_LOOP(6) + LIGHT_LOOP(7) - col.rgb += light.rgb; + col.rgb += light.rgb; - glare = min(glare, 1.0); - float al = max(diffcol.a,glare)*vertex_color.a; + glare = min(glare, 1.0); + float al = max(diffcol.a,glare)*vertex_color.a; - //convert to gamma space for display on screen - col.rgb = linear_to_srgb(col.rgb); + col = scaleSoftClipFrag(col); #ifdef WATER_FOG - vec4 temp = applyWaterFogView(pos, vec4(col.rgb, al)); - col.rgb = temp.rgb; - al = temp.a; + vec4 temp = applyWaterFogView(pos, vec4(col.rgb, al)); + col.rgb = temp.rgb; + al = temp.a; #endif - frag_color.rgb = col.rgb; - frag_color.a = al; + frag_color.rgb = col.rgb; + frag_color.a = al; #else - frag_data[0] = final_color; - frag_data[1] = final_specular; // XYZ = Specular color. W = Specular exponent. - frag_data[2] = final_normal; // XY = Normal. Z = Env. intensity. + frag_data[0] = final_color; + frag_data[1] = final_specular; // XYZ = Specular color. W = Specular exponent. + frag_data[2] = final_normal; // XY = Normal. Z = Env. intensity. #endif } diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl index d1ac19270d..e8eef9b94b 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl @@ -59,18 +59,7 @@ uniform mat4 inv_proj; vec3 decode_normal (vec2 enc); -vec4 getPosition(vec2 pos_screen) -{ - float depth = texture2DRect(depthMap, pos_screen.xy).r; - vec2 sc = pos_screen.xy*2.0; - sc /= screen_res; - sc -= vec2(1.0,1.0); - vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0); - vec4 pos = inv_proj * ndc; - pos /= pos.w; - pos.w = 1.0; - return pos; -} +vec4 getPosition(vec2 pos_screen); void main() { diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl index 1d75322b4c..7438fac8fc 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl @@ -73,13 +73,10 @@ uniform vec2 screen_res; uniform mat4 inv_proj; vec3 decode_normal (vec2 enc); -vec3 srgb_to_linear(vec3 cs); -vec3 linear_to_srgb(vec3 cl); vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); - ret.rgb = srgb_to_linear(ret.rgb); vec2 dist = vec2(0.5) - abs(tc-vec2(0.5)); @@ -99,7 +96,6 @@ vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); - ret.rgb = srgb_to_linear(ret.rgb); vec2 dist = vec2(0.5) - abs(tc-vec2(0.5)); @@ -117,7 +113,6 @@ vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod) vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); - ret.rgb = srgb_to_linear(ret.rgb); vec2 dist = tc-vec2(0.5); @@ -128,19 +123,7 @@ vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod) return ret; } - -vec4 getPosition(vec2 pos_screen) -{ - float depth = texture2DRect(depthMap, pos_screen.xy).r; - vec2 sc = pos_screen.xy*2.0; - sc /= screen_res; - sc -= vec2(1.0,1.0); - vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0); - vec4 pos = inv_proj * ndc; - pos /= pos.w; - pos.w = 1.0; - return pos; -} +vec4 getPosition(vec2 pos_screen); void main() { diff --git a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl index 13b803e03e..df48a66fab 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl @@ -57,19 +57,7 @@ uniform mat4 inv_proj; uniform vec4 viewport; vec3 decode_normal (vec2 enc); - -vec4 getPosition(vec2 pos_screen) -{ - float depth = texture2DRect(depthMap, pos_screen.xy).r; - vec2 sc = (pos_screen.xy-viewport.xy)*2.0; - sc /= viewport.zw; - sc -= vec2(1.0,1.0); - vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0); - vec4 pos = inv_proj * ndc; - pos /= pos.w; - pos.w = 1.0; - return pos; -} +vec4 getPosition(vec2 pos_screen); void main() { diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl index 8791469675..0b943d2527 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl @@ -40,12 +40,10 @@ VARYING vec2 vary_fragcoord; uniform float display_gamma; -vec3 linear_to_srgb(vec3 cl); - void main() { - vec4 diff = texture2DRect(diffuseRect, vary_fragcoord); + vec4 diff = texture2DRect(diffuseRect, vary_fragcoord); diff.rgb = pow(diff.rgb, vec3(display_gamma)); - frag_color = diff; + frag_color = diff; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl index e33254304b..cf994d3547 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl @@ -49,18 +49,7 @@ VARYING vec2 vary_fragcoord; uniform mat4 inv_proj; uniform vec2 screen_res; -vec4 getPosition(vec2 pos_screen) -{ - float depth = texture2DRect(depthMap, pos_screen.xy).a; - vec2 sc = pos_screen.xy*2.0; - sc /= screen_res; - sc -= vec2(1.0,1.0); - vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0); - vec4 pos = inv_proj * ndc; - pos /= pos.w; - pos.w = 1.0; - return pos; -} +vec4 getPosition(vec2 pos_screen); void main() { diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl new file mode 100644 index 0000000000..f626609fc2 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl @@ -0,0 +1,209 @@ +/** + * @file class1/deferred/shadowUtil.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 sampler2DRect normalMap; +uniform sampler2DRect depthMap; +uniform sampler2D noiseMap; +uniform sampler2DShadow shadowMap0; +uniform sampler2DShadow shadowMap1; +uniform sampler2DShadow shadowMap2; +uniform sampler2DShadow shadowMap3; +uniform sampler2DShadow shadowMap4; +uniform sampler2DShadow shadowMap5; + +uniform float ssao_radius; +uniform float ssao_max_radius; +uniform float ssao_factor; +uniform float ssao_factor_inv; + +uniform vec3 sun_dir; +uniform vec3 moon_dir; +uniform vec2 shadow_res; +uniform vec2 proj_shadow_res; +uniform mat4 shadow_matrix[6]; +uniform vec4 shadow_clip; +uniform float shadow_bias; + +uniform float spot_shadow_bias; +uniform float spot_shadow_offset; + +uniform mat4 inv_proj; +uniform vec2 screen_res; + +vec3 decode_normal(vec2 enc); + +float pcfShadowLegacy(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; +} + +float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float bias_scale, vec2 pos_screen) +{ + stc.xyz /= stc.w; + stc.z += shadow_bias * bias_scale; + + stc.x = floor(stc.x*pos_screen.x + fract(stc.y*pos_screen.y*0.666666666))/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; +} + +float pcfSpotShadow(sampler2DShadow shadowMap, vec4 stc, float bias_scale, vec2 pos_screen) +{ + stc.xyz /= stc.w; + stc.z += spot_shadow_bias * bias_scale; + stc.x = floor(proj_shadow_res.x * stc.x + fract(pos_screen.y*0.666666666)) / proj_shadow_res.x; // snap + + float cs = shadow2D(shadowMap, stc.xyz).x; + float shadow = cs; + + vec2 off = 1.0/proj_shadow_res; + off.y *= 1.5; + + shadow += shadow2D(shadowMap, stc.xyz+vec3(off.x*2.0, off.y, 0.0)).x; + shadow += shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)).x; + shadow += shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)).x; + shadow += shadow2D(shadowMap, stc.xyz+vec3(-off.x*2.0, -off.y, 0.0)).x; + return shadow*0.2; +} + +float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen) +{ + float dp_sun = max(0.0, dot(sun_dir.xyz, norm)); + float dp_moon = max(0.0, dot(moon_dir.xyz, norm)); + float dp_directional_light = max(dp_sun,dp_moon); + dp_directional_light = clamp(dp_directional_light, 0.0, 1.0); + + vec3 light_dir = (dp_moon > dp_sun) ? moon_dir : sun_dir; + vec3 offset = light_dir * (1.0-dp_directional_light); + vec3 shadow_pos = pos.xyz + (offset * shadow_bias); + + float shadow = 0.0f; + vec4 spos = vec4(shadow_pos,1.0); + 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 += pcfShadowLegacy(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 += pcfShadowLegacy(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 += pcfShadowLegacy(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 += pcfShadowLegacy(shadowMap0, lpos)*w; + weight += w; + } + + shadow /= weight; + } + return shadow; +} + +float sampleSpotShadow(vec3 pos, vec3 norm, int index, vec2 pos_screen) +{ + float shadow = 0.0f; + pos += norm * spot_shadow_offset; + + vec4 spos = vec4(pos,1.0); + 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; + + { + lpos = shadow_matrix[4 + index]*spos; + float w = 1.0; + w -= max(spos.z-far_split.z, 0.0)/transition_domain.z; + + shadow += pcfSpotShadow((index == 0) ? shadowMap4 : shadowMap5, lpos, 0.8, spos.xy)*w; + weight += w; + shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0); + } + + shadow /= weight; + } + return shadow; +} + diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl index 41eb06126b..f0b038cc93 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl @@ -66,10 +66,7 @@ uniform vec2 screen_res; vec4 applyWaterFogView(vec3 pos, vec4 color); #endif -vec3 srgb_to_linear(vec3 cs); -vec3 linear_to_srgb(vec3 cl); vec3 decode_normal (vec2 enc); - vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten); vec3 fullbrightAtmosTransportFrag(vec3 l, vec3 additive, vec3 atten); void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten); @@ -77,46 +74,26 @@ void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit, vec3 scaleSoftClip(vec3 l); vec3 fullbrightScaleSoftClip(vec3 l); -vec4 getPosition_d(vec2 pos_screen, float depth) -{ - vec2 sc = pos_screen.xy*2.0; - sc /= screen_res; - sc -= vec2(1.0,1.0); - vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0); - vec4 pos = inv_proj * ndc; - pos /= pos.w; - pos.w = 1.0; - return pos; -} - -vec4 getPosition(vec2 pos_screen) -{ //get position in screen space (world units) given window coordinate and depth map - float depth = texture2DRect(depthMap, pos_screen.xy).a; - return getPosition_d(pos_screen, depth); -} - +vec4 getPositionWithDepth(vec2 pos_screen, float depth); void main() { - vec2 tc = vary_fragcoord.xy; - float depth = texture2DRect(depthMap, tc.xy).r; - vec3 pos = getPosition_d(tc, depth).xyz; - vec4 norm = texture2DRect(normalMap, tc); - float envIntensity = norm.z; - norm.xyz = decode_normal(norm.xy); // unpack norm - - float da_sun = dot(norm.xyz, normalize(sun_dir.xyz)); + vec2 tc = vary_fragcoord.xy; + float depth = texture2DRect(depthMap, tc.xy).r; + vec4 pos = getPositionWithDepth(tc, depth); + vec4 norm = texture2DRect(normalMap, tc); + float envIntensity = norm.z; + norm.xyz = decode_normal(norm.xy); // unpack norm + + float da_sun = dot(norm.xyz, normalize(sun_dir.xyz)); float da_moon = dot(norm.xyz, normalize(moon_dir.xyz)); float da = max(da_sun, da_moon); float final_da = clamp(da, 0.0, 1.0); - final_da = pow(final_da, global_gamma); + final_da = pow(final_da, global_gamma + 0.3); vec4 diffuse = texture2DRect(diffuseRect, tc); - //convert to gamma space - //diffuse.rgb = linear_to_srgb(diffuse.rgb); - vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy); vec3 col; float bloom = 0.0; @@ -173,10 +150,6 @@ void main() col = fogged.rgb; bloom = fogged.a; #endif - - //col = srgb_to_linear(col); - //col = vec3(1,0,1); - //col.g = envIntensity; } frag_color.rgb = col.rgb; diff --git a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl index 2b6428963d..22488944cd 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl @@ -71,18 +71,10 @@ uniform vec2 screen_res; uniform mat4 inv_proj; vec3 decode_normal (vec2 enc); -vec3 srgb_to_linear(vec3 cs); -vec3 linear_to_srgb(vec3 cl); - -vec4 correctWithGamma(vec4 col) -{ - return vec4(srgb_to_linear(col.rgb), col.a); -} vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); - ret.rgb = srgb_to_linear(ret.rgb); vec2 dist = vec2(0.5) - abs(tc-vec2(0.5)); @@ -102,7 +94,6 @@ vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); - ret = correctWithGamma(ret); vec2 dist = vec2(0.5) - abs(tc-vec2(0.5)); @@ -120,7 +111,6 @@ vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod) vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); - ret = correctWithGamma(ret); vec2 dist = tc-vec2(0.5); @@ -131,19 +121,7 @@ vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod) return ret; } - -vec4 getPosition(vec2 pos_screen) -{ - float depth = texture2DRect(depthMap, pos_screen.xy).r; - vec2 sc = pos_screen.xy*2.0; - sc /= screen_res; - sc -= vec2(1.0,1.0); - vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0); - vec4 pos = inv_proj * ndc; - pos /= pos.w; - pos.w = 1.0; - return pos; -} +vec4 getPosition(vec2 pos_screen); void main() { diff --git a/indra/newview/app_settings/shaders/class1/deferred/srgb.glsl b/indra/newview/app_settings/shaders/class1/deferred/srgb.glsl deleted file mode 100644 index bc3324f543..0000000000 --- a/indra/newview/app_settings/shaders/class1/deferred/srgb.glsl +++ /dev/null @@ -1,61 +0,0 @@ -/** - * @file srgb.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 - * $/LicenseInfo$ - */ - -vec3 rgb2hsv(vec3 c) -{ - vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0); - vec4 p = mix(vec4(c.bg, K.wz), vec4(c.gb, K.xy), step(c.b, c.g)); - vec4 q = mix(vec4(p.xyw, c.r), vec4(c.r, p.yzx), step(p.x, c.r)); - - float d = q.x - min(q.w, q.y); - float e = 1.0e-10; - return vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x); -} - -vec3 hsv2rgb(vec3 c) -{ - vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0); - vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www); - return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y); -} - -vec3 srgb_to_linear(vec3 cs) -{ - vec3 low_range = cs / vec3(12.92); - vec3 high_range = pow((cs+vec3(0.055))/vec3(1.055), vec3(2.4)); - - bvec3 lte = lessThanEqual(cs,vec3(0.04045)); - return mix(high_range, low_range, lte); -} - -vec3 linear_to_srgb(vec3 cl) -{ - cl = clamp(cl, vec3(0), vec3(1)); - vec3 low_range = cl * 12.92; - vec3 high_range = 1.055 * pow(cl, vec3(0.41666)) - 0.055; - - bvec3 lt = lessThan(cl,vec3(0.0031308)); - return mix(high_range, low_range, lt); -} diff --git a/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl index 403df87853..e98ab1f2eb 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl @@ -35,88 +35,16 @@ out vec4 frag_color; //class 1 -- no shadow, SSAO only -uniform sampler2DRect depthMap; uniform sampler2DRect normalMap; -uniform sampler2D noiseMap; - // Inputs -uniform float ssao_radius; -uniform float ssao_max_radius; -uniform float ssao_factor; -uniform float ssao_factor_inv; - VARYING vec2 vary_fragcoord; -uniform mat4 inv_proj; -uniform vec2 screen_res; - vec3 decode_normal (vec2 enc); - -vec4 getPosition(vec2 pos_screen) -{ - float depth = texture2DRect(depthMap, pos_screen.xy).r; - vec2 sc = pos_screen.xy*2.0; - sc /= screen_res; - sc -= vec2(1.0,1.0); - vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0); - vec4 pos = inv_proj * ndc; - pos /= pos.w; - pos.w = 1.0; - return pos; -} +vec4 getPosition(vec2 pos_screen); //calculate decreases in ambient lighting when crowded out (SSAO) -float calcAmbientOcclusion(vec4 pos, vec3 norm) -{ - float ret = 1.0; - - vec2 kern[8]; - // exponentially (^2) distant occlusion samples spread around origin - kern[0] = vec2(-1.0, 0.0) * 0.125*0.125; - kern[1] = vec2(1.0, 0.0) * 0.250*0.250; - kern[2] = vec2(0.0, 1.0) * 0.375*0.375; - kern[3] = vec2(0.0, -1.0) * 0.500*0.500; - kern[4] = vec2(0.7071, 0.7071) * 0.625*0.625; - kern[5] = vec2(-0.7071, -0.7071) * 0.750*0.750; - kern[6] = vec2(-0.7071, 0.7071) * 0.875*0.875; - kern[7] = vec2(0.7071, -0.7071) * 1.000*1.000; - - vec2 pos_screen = vary_fragcoord.xy; - vec3 pos_world = pos.xyz; - vec2 noise_reflect = texture2D(noiseMap, vary_fragcoord.xy/128.0).xy; - - float angle_hidden = 0.0; - int points = 0; - - float scale = min(ssao_radius / -pos_world.z, ssao_max_radius); - - // it was found that keeping # of samples a constant was the fastest, probably due to compiler optimizations unrolling?) - for (int i = 0; i < 8; i++) - { - vec2 samppos_screen = pos_screen + scale * reflect(kern[i], noise_reflect); - vec3 samppos_world = getPosition(samppos_screen).xyz; - - vec3 diff = pos_world - samppos_world; - float dist2 = dot(diff, diff); - - // assume each sample corresponds to an occluding sphere with constant radius, constant x-sectional area - // --> solid angle shrinking by the square of distance - //radius is somewhat arbitrary, can approx with just some constant k * 1 / dist^2 - //(k should vary inversely with # of samples, but this is taken care of later) - - angle_hidden = angle_hidden + float(dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) * min(1.0/dist2, ssao_factor_inv); - - // 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" - points = points + int(diff.z > -1.0); - } - - angle_hidden = min(ssao_factor*angle_hidden/float(points), 1.0); - - ret = (1.0 - (float(points != 0) * angle_hidden)); - - return min(ret, 1.0); -} +float calcAmbientOcclusion(vec4 pos, vec3 norm, vec2 pos_screen); void main() { @@ -124,13 +52,11 @@ void main() //try doing an unproject here - vec4 pos = getPosition(pos_screen); - - vec3 norm = texture2DRect(normalMap, pos_screen).xyz; - norm = decode_normal(norm.xy); - + vec4 pos = getPosition(pos_screen); + vec3 norm = decode_normal(texture2DRect(normalMap, pos_screen).xy); + frag_color[0] = 1.0; - frag_color[1] = calcAmbientOcclusion(pos, norm); + frag_color[1] = calcAmbientOcclusion(pos, norm, pos_screen); frag_color[2] = 1.0; frag_color[3] = 1.0; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl index db1eab23fb..e95a688e1f 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl @@ -58,9 +58,6 @@ VARYING vec4 refCoord; VARYING vec4 littleWave; VARYING vec4 view; -vec3 srgb_to_linear(vec3 cs); -vec3 linear_to_srgb(vec3 cl); - vec2 encode_normal(vec3 n); vec4 applyWaterFog(vec4 color, vec3 viewVec) diff --git a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl index 69543b93ea..9da2548586 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl @@ -62,7 +62,6 @@ VARYING vec4 littleWave; VARYING vec4 view; VARYING vec4 vary_position; -vec3 srgb_to_linear(vec3 cs); vec2 encode_normal(vec3 n); vec3 scaleSoftClipFrag(vec3 l); diff --git a/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl b/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl index f98b3a5edf..4a8b892c3a 100644 --- a/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl +++ b/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl @@ -64,3 +64,21 @@ vec3 ColorFromRadiance(vec3 radiance) { return vec3(1.0) - exp(-radiance * 0.0001); } + +vec3 rgb2hsv(vec3 c) +{ + vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0); + vec4 p = mix(vec4(c.bg, K.wz), vec4(c.gb, K.xy), step(c.b, c.g)); + vec4 q = mix(vec4(p.xyw, c.r), vec4(c.r, p.yzx), step(p.x, c.r)); + + float d = q.x - min(q.w, q.y); + float e = 1.0e-10; + return vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x); +} + +vec3 hsv2rgb(vec3 c) +{ + vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0); + vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www); + return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y); +} diff --git a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsF.glsl b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsF.glsl index 8b7c4f2ecf..4f0e2a6cb6 100644 --- a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsF.glsl +++ b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsF.glsl @@ -1,5 +1,5 @@ /** - * @file atmosphericsF.glsl + * @file class1\windlight\atmosphericsF.glsl * * $LicenseInfo:firstyear=2005&license=viewerlgpl$ * Second Life Viewer Source Code diff --git a/indra/newview/app_settings/shaders/class1/windlight/cloudShadowF.glsl b/indra/newview/app_settings/shaders/class1/windlight/cloudShadowF.glsl new file mode 100644 index 0000000000..fa6926b007 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/windlight/cloudShadowF.glsl @@ -0,0 +1,121 @@ +/** + * @file class3/deferred/cloudsF.glsl + * + * $LicenseInfo:firstyear=2005&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2005, 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 + * $/LicenseInfo$ + */ + +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 frag_color; +#else +#define frag_color gl_FragColor +#endif + +uniform sampler2D diffuseMap; + +VARYING vec4 pos; +VARYING float target_pos_x; +VARYING float vary_CloudDensity; +VARYING vec2 vary_texcoord0; +VARYING vec2 vary_texcoord1; +VARYING vec2 vary_texcoord2; +VARYING vec2 vary_texcoord3; + +uniform sampler2D cloud_noise_texture; +uniform sampler2D cloud_noise_texture_next; +uniform float blend_factor; +uniform vec4 cloud_pos_density1; +uniform vec4 cloud_pos_density2; +uniform vec4 sunlight_color; +uniform vec4 cloud_color; +uniform float cloud_shadow; +uniform float cloud_scale; +uniform float cloud_variance; +uniform vec3 ambient; +uniform vec3 camPosLocal; +uniform vec3 sun_dir; +uniform float sun_size; +uniform float far_z; + +#if !DEPTH_CLAMP +VARYING vec4 post_pos; +#endif + +vec4 cloudNoise(vec2 uv) +{ + vec4 a = texture2D(cloud_noise_texture, uv); + vec4 b = texture2D(cloud_noise_texture_next, uv); + vec4 cloud_noise_sample = mix(a, b, blend_factor); + return normalize(cloud_noise_sample); +} + +void main() +{ + // Set variables + vec2 uv1 = vary_texcoord0.xy; + vec2 uv2 = vary_texcoord1.xy; + vec2 uv3 = vary_texcoord2.xy; + float cloudDensity = 2.0 * (cloud_shadow - 0.25); + + vec2 uv4 = vary_texcoord3.xy; + + vec2 disturbance = vec2(cloudNoise(uv1 / 8.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); + vec2 disturbance2 = vec2(cloudNoise((uv1 + uv3) / 4.0f).x, cloudNoise((uv4 + uv2) / 8.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); + + // Offset texture coords + uv1 += cloud_pos_density1.xy + (disturbance * 0.02); //large texture, visible density + uv2 += cloud_pos_density1.xy; //large texture, self shadow + uv3 += cloud_pos_density2.xy; //small texture, visible density + uv4 += cloud_pos_density2.xy; //small texture, self shadow + + float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0 + disturbance2.x + disturbance2.y)); + + cloudDensity *= 1.0 - (density_variance * density_variance); + + // Compute alpha1, the main cloud opacity + float alpha1 = (cloudNoise(uv1).x - 0.5) + (cloudNoise(uv3).x - 0.5) * cloud_pos_density2.z; + alpha1 = min(max(alpha1 + cloudDensity, 0.) * 10 * cloud_pos_density1.z, 1.); + + // And smooth + alpha1 = 1. - alpha1 * alpha1; + alpha1 = 1. - alpha1 * alpha1; + + if (alpha1 < 0.001f) + { + discard; + } + + // Compute alpha2, for self shadowing effect + // (1 - alpha2) will later be used as percentage of incoming sunlight + float alpha2 = (cloudNoise(uv2).x - 0.5); + alpha2 = min(max(alpha2 + cloudDensity, 0.) * 2.5 * cloud_pos_density1.z, 1.); + + // And smooth + alpha2 = 1. - alpha2; + alpha2 = 1. - alpha2 * alpha2; + + frag_color = vec4(alpha1, alpha1, alpha1, 1); + +#if !DEPTH_CLAMP + gl_FragDepth = max(post_pos.z/post_pos.w*0.5+0.5, 0.0); +#endif + +} diff --git a/indra/newview/app_settings/shaders/class1/windlight/cloudShadowV.glsl b/indra/newview/app_settings/shaders/class1/windlight/cloudShadowV.glsl new file mode 100644 index 0000000000..52164e7b80 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/windlight/cloudShadowV.glsl @@ -0,0 +1,61 @@ +/** + * @file cloudShadowV.glsl + * + * $LicenseInfo:firstyear=2011&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2011, 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 texture_matrix0; +uniform mat4 modelview_projection_matrix; +uniform float shadow_target_width; + +ATTRIBUTE vec3 position; +ATTRIBUTE vec4 diffuse_color; +ATTRIBUTE vec2 texcoord0; + +#if !DEPTH_CLAMP +VARYING float pos_zd2; +#endif + +VARYING vec4 pos; +VARYING float target_pos_x; +VARYING vec2 vary_texcoord0; + +void passTextureIndex(); + +void main() +{ + //transform vertex + vec4 pre_pos = vec4(position.xyz, 1.0); + pos = modelview_projection_matrix * pre_pos; + target_pos_x = 0.5 * (shadow_target_width - 1.0) * pos.x; + +#if !DEPTH_CLAMP + pos_zd2 = pos.z * 0.5; + gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w); +#else + gl_Position = pos; +#endif + + passTextureIndex(); + + vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy; +} |