diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1')
4 files changed, 188 insertions, 177 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl index f79fc012d1..07b0f2a98a 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl @@ -43,6 +43,7 @@ uniform mat3 env_mat; uniform mat3 ssao_effect_mat; uniform vec3 sun_dir; +uniform vec3 moon_dir; #if HAS_SHADOW uniform sampler2DShadow shadowMap0; @@ -280,20 +281,20 @@ void main() vec2 abnormal = encode_normal(norm.xyz); norm.xyz = decode_normal(abnormal.xy); - float da = dot(norm.xyz, sun_dir.xyz); + float sun_da = dot(norm.xyz, sun_dir.xyz); + float moon_da = dot(norm.xyz, moon_dir.xyz); - float final_da = da; + float final_da = max(sun_da, moon_da); final_da = min(final_da, shadow); - 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 = clamp(final_da, 0.0f, 1.0f); + final_da = pow(final_da, 1.0/1.3); vec4 color = vec4(0,0,0,0); color.rgb = atmosFragAmbient(color.rgb, amblit); color.a = final_alpha; - float ambient = abs(da); + float ambient = abs(final_da); ambient *= 0.5; ambient *= ambient; ambient = (1.0-ambient); diff --git a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl index 43f0034874..ec05dab57f 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl @@ -1,5 +1,5 @@ /** - * @file shadowUtil.glsl + * @file class1/deferred/deferredUtil.glsl * * $LicenseInfo:firstyear=2007&license=viewerlgpl$ * Second Life Viewer Source Code @@ -39,6 +39,7 @@ 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]; @@ -55,7 +56,7 @@ vec3 decode_normal(vec2 enc); vec2 getScreenCoordinate(vec2 screenpos) { - vec2 sc = screenpos.xy * 2.0; + vec2 sc = screenpos.xy * 2.0; if (screen_res.x > 0 && screen_res.y > 0) { sc /= screen_res; @@ -72,41 +73,41 @@ vec3 getNorm(vec2 screenpos) float getDepth(vec2 pos_screen) { float depth = texture2DRect(depthMap, pos_screen).r; - return depth; + return depth; } vec4 getPosition(vec2 pos_screen) { float depth = getDepth(pos_screen); - vec2 sc = getScreenCoordinate(pos_screen); - 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; + vec2 sc = getScreenCoordinate(pos_screen); + 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; } #if USE_DEFERRED_SHADER_API vec4 getPositionWithDepth(vec2 pos_screen, float depth) { - vec2 sc = getScreenCoordinate(pos_screen); - 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; + vec2 sc = getScreenCoordinate(pos_screen); + 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; } 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; + 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; @@ -116,85 +117,90 @@ float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float bias_scale, vec2 pos_ 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; + 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_directional_light = max(0.0, dot(sun_dir.xyz, norm)); - vec3 offset = sun_dir.xyz * (1.0-dp_directional_light); - vec3 shadow_pos = pos.xyz + (offset * shadow_bias); + 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; - } + 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; } @@ -203,88 +209,88 @@ 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; + 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; - } + 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; + 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]; + 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); + 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/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl index c1c17532b8..7d5ae7c2e7 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl @@ -98,6 +98,7 @@ uniform mat3 env_mat; uniform mat3 ssao_effect_mat; uniform vec3 sun_dir; +uniform vec3 moon_dir; VARYING vec2 vary_fragcoord; VARYING vec3 vary_position; @@ -381,9 +382,10 @@ void main() vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz)); - float da =dot(norm.xyz, sun_dir.xyz); + float sun_da = dot(norm.xyz, sun_dir.xyz); + float moon_da = dot(norm.xyz, moon_dir.xyz); - float final_da = da; + 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); @@ -392,7 +394,7 @@ void main() col.rgb = atmosFragAmbient(col, amblit); - float ambient = min(abs(da), 1.0); + float ambient = min(abs(final_da), 1.0); ambient *= 0.5; ambient *= ambient; ambient = (1.0-ambient); diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl index 5813dd84ee..41eb06126b 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl @@ -56,6 +56,7 @@ uniform mat3 env_mat; uniform mat3 ssao_effect_mat; uniform vec3 sun_dir; +uniform vec3 moon_dir; VARYING vec2 vary_fragcoord; uniform mat4 inv_proj; @@ -104,15 +105,17 @@ void main() float envIntensity = norm.z; norm.xyz = decode_normal(norm.xy); // unpack norm - float da = dot(norm.xyz, sun_dir.xyz); + 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, 1.0/1.3); + final_da = pow(final_da, global_gamma); vec4 diffuse = texture2DRect(diffuseRect, tc); //convert to gamma space - diffuse.rgb = linear_to_srgb(diffuse.rgb); + //diffuse.rgb = linear_to_srgb(diffuse.rgb); vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy); vec3 col; @@ -171,8 +174,7 @@ void main() bloom = fogged.a; #endif - col = srgb_to_linear(col); - + //col = srgb_to_linear(col); //col = vec3(1,0,1); //col.g = envIntensity; } |