From 2ee815478043c4d5845f094f744a055707dba0e0 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Wed, 10 Aug 2011 13:01:14 -0500 Subject: SH-2238, SH-2223, SH-SH-2242 glVertexAttrib throughout main render pipeline complete, preview renders and debug displays still pending. Also fixed a render glitch and a crash (JIRAs listed). --- .../newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl index d53850b489..699fcdb0f3 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl @@ -30,7 +30,7 @@ uniform float ssao_factor; uniform float ssao_factor_inv; varying vec2 vary_fragcoord; -varying vec4 vary_light; +uniform vec3 sun_dir; uniform mat4 inv_proj; uniform vec2 screen_res; @@ -167,10 +167,10 @@ void main() }*/ float shadow = 1.0; - float dp_directional_light = max(0.0, dot(norm, vary_light.xyz)); + float dp_directional_light = max(0.0, dot(norm, sun_dir.xyz)); vec3 shadow_pos = pos.xyz + displace*norm; - vec3 offset = vary_light.xyz * (1.0-dp_directional_light); + vec3 offset = sun_dir.xyz * (1.0-dp_directional_light); vec4 spos = vec4(shadow_pos+offset*shadow_offset, 1.0); -- cgit v1.2.3 From da84f5552731e1ece3a463c4c385bb327f1048a1 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Fri, 16 Sep 2011 12:40:53 -0500 Subject: SH-2243 work in progress -- don't use deprecated shader state --- .../app_settings/shaders/class2/deferred/sunLightSSAOF.glsl | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl index 60741771d6..042bb5f96c 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl @@ -46,7 +46,7 @@ uniform float ssao_max_radius; uniform float ssao_factor; uniform float ssao_factor_inv; -varying vec2 vary_fragcoord; +VARYING vec2 vary_fragcoord; uniform vec3 sun_dir; uniform mat4 inv_proj; @@ -148,15 +148,15 @@ float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl) stc.xyz /= stc.w; stc.z += spot_shadow_bias*scl; - float cs = shadow2D(shadowMap, stc.xyz).x; + float cs = shadow2D(shadowMap, stc.xyz); float shadow = cs; vec2 off = 1.5/proj_shadow_res; - shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, off.y, 0.0)).x, cs); - shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)).x, cs); - shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)).x, cs); - shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, -off.y, 0.0)).x, cs); + shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, off.y, 0.0)), cs); + shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)), cs); + shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)), cs); + shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, -off.y, 0.0)), cs); return shadow/5.0; -- cgit v1.2.3 From 8a1baaea6c0462b645499e8e7b88345e46b92621 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Fri, 16 Sep 2011 17:08:39 -0500 Subject: SH-2243 work in progress -- don't use gl_FragColor or gl_FragData for outputs -- no more deprecation warnings on nvidia --- .../newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl index 042bb5f96c..1886178731 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl @@ -22,10 +22,12 @@ * $/LicenseInfo$ */ - - #extension GL_ARB_texture_rectangle : enable +#ifndef gl_FragColor +out vec4 gl_FragColor; +#endif + //class 2 -- shadows and SSAO uniform sampler2DRect depthMap; -- cgit v1.2.3 From 183fe0d14c48ebeb174567304cea197e7ea443fa Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Sat, 24 Sep 2011 03:09:32 -0500 Subject: SH-2244 Fix for shaders not compiling on pre-GL-3.0 ATI drivers --- indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl index 1886178731..025ff48109 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl @@ -24,7 +24,7 @@ #extension GL_ARB_texture_rectangle : enable -#ifndef gl_FragColor +#ifdef DEFINE_GL_FRAGCOLOR out vec4 gl_FragColor; #endif -- cgit v1.2.3 From 84ab08d2a5ac59ea2681e3dea0e0bc48e3d99de5 Mon Sep 17 00:00:00 2001 From: Leslie Linden Date: Fri, 11 Nov 2011 16:27:08 -0800 Subject: Assorted shader cleanup to remove a few warnings and errors for OS X. --- .../app_settings/shaders/class2/deferred/sunLightSSAOF.glsl | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl index 025ff48109..fc19f15e02 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl @@ -155,10 +155,10 @@ float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl) vec2 off = 1.5/proj_shadow_res; - shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, off.y, 0.0)), cs); - shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)), cs); - shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)), cs); - shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, -off.y, 0.0)), cs); + shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, off.y, 0.0)).x, cs); + shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)).x, cs); + shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)).x, cs); + shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, -off.y, 0.0)).x, cs); return shadow/5.0; -- cgit v1.2.3 From bbac7e9aecf433c1a84515ede954650bd76befbf Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Tue, 15 Nov 2011 13:01:23 -0600 Subject: SH-2681 Fix for shader compiler error on GLSL 1.30 and later --- indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl index fc19f15e02..5b207ab558 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl @@ -150,7 +150,7 @@ float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl) stc.xyz /= stc.w; stc.z += spot_shadow_bias*scl; - float cs = shadow2D(shadowMap, stc.xyz); + float cs = shadow2D(shadowMap, stc.xyz).x; float shadow = cs; vec2 off = 1.5/proj_shadow_res; -- cgit v1.2.3 From c79c4f1477cae232a033e33cc1722b4658cf6634 Mon Sep 17 00:00:00 2001 From: Leslie Linden Date: Wed, 16 Nov 2011 17:14:28 -0800 Subject: SH-1618 FIX SH-1619 FIX SH-1620 FIX SH-2621 FIX * Got lighting, shadows, and ambient occlusion working on ATI macs. * Re-enabled ambient occlusion on ATI macs. * Re-enabled depth of field on ATI macs. Reviewed by Runitai Linden. --- .../shaders/class2/deferred/sunLightSSAOF.glsl | 43 +++++++++++++--------- 1 file changed, 26 insertions(+), 17 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl index 5b207ab558..6b420833b9 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl @@ -40,6 +40,7 @@ uniform sampler2DShadow shadowMap4; uniform sampler2DShadow shadowMap5; uniform sampler2D noiseMap; + // Inputs uniform mat4 shadow_matrix[6]; uniform vec4 shadow_clip; @@ -49,12 +50,12 @@ uniform float ssao_factor; uniform float ssao_factor_inv; VARYING vec2 vary_fragcoord; -uniform vec3 sun_dir; uniform mat4 inv_proj; uniform vec2 screen_res; uniform vec2 shadow_res; uniform vec2 proj_shadow_res; +uniform vec3 sun_dir; uniform float shadow_bias; uniform float shadow_offset; @@ -75,11 +76,8 @@ vec4 getPosition(vec2 pos_screen) return pos; } -//calculate decreases in ambient lighting when crowded out (SSAO) -float calcAmbientOcclusion(vec4 pos, vec3 norm) +vec2 getKern(int i) { - 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; @@ -90,22 +88,30 @@ float calcAmbientOcclusion(vec4 pos, vec3 norm) 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) +{ + float ret = 1.0; 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 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); + 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); @@ -113,17 +119,21 @@ float calcAmbientOcclusion(vec4 pos, vec3 norm) // --> 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); + + 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" - points = points + int(diff.z > -1.0); + float diffz_val = (diff.z > -1.0) ? 1.0 : 0.0; + points = points + diffz_val; } - angle_hidden = min(ssao_factor*angle_hidden/float(points), 1.0); - - ret = (1.0 - (float(points != 0) * angle_hidden)); + 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); } @@ -160,7 +170,6 @@ float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl) shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)).x, cs); shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, -off.y, 0.0)).x, cs); - return shadow/5.0; //return shadow; @@ -253,7 +262,7 @@ void main() gl_FragColor[0] = shadow; gl_FragColor[1] = calcAmbientOcclusion(pos, norm); - spos.xyz = shadow_pos+norm*spot_shadow_offset; + spos = vec4(shadow_pos+norm*spot_shadow_offset, 1.0); //spotlight shadow 1 vec4 lpos = shadow_matrix[4]*spos; -- cgit v1.2.3 From 3710c6110d65d3a604f7b419cd764cf5b9b98600 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Fri, 10 Feb 2012 20:04:19 -0600 Subject: SH-2908 Rework indexed texture rendering to use a uvec4 instead of a float for texture indices in the data stream. Also rework gl_FragColor overrides to not collide with some odd driver implementations. --- .../shaders/class2/deferred/sunLightSSAOF.glsl | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl index 6b420833b9..45b8db5adc 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl @@ -25,7 +25,9 @@ #extension GL_ARB_texture_rectangle : enable #ifdef DEFINE_GL_FRAGCOLOR -out vec4 gl_FragColor; +out vec4 frag_color; +#else +#define frag_color gl_FragColor; #endif //class 2 -- shadows and SSAO @@ -190,7 +192,7 @@ void main() /*if (pos.z == 0.0) // do nothing for sky *FIX: REMOVE THIS IF/WHEN THE POSITION MAP IS BEING USED AS A STENCIL { - gl_FragColor = vec4(0.0); // doesn't matter + frag_color = vec4(0.0); // doesn't matter return; }*/ @@ -259,19 +261,19 @@ void main() shadow = 1.0; } - gl_FragColor[0] = shadow; - gl_FragColor[1] = calcAmbientOcclusion(pos, norm); + frag_color[0] = shadow; + frag_color[1] = calcAmbientOcclusion(pos, norm); spos = vec4(shadow_pos+norm*spot_shadow_offset, 1.0); //spotlight shadow 1 vec4 lpos = shadow_matrix[4]*spos; - gl_FragColor[2] = pcfShadow(shadowMap4, lpos, 0.8); + frag_color[2] = pcfShadow(shadowMap4, lpos, 0.8); //spotlight shadow 2 lpos = shadow_matrix[5]*spos; - gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.8); + frag_color[3] = pcfShadow(shadowMap5, lpos, 0.8); - //gl_FragColor.rgb = pos.xyz; - //gl_FragColor.b = shadow; + //frag_color.rgb = pos.xyz; + //frag_color.b = shadow; } -- cgit v1.2.3 From 60fa5c3d4e23967d1ecd1e5189685ca94223cfb4 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Mon, 13 Feb 2012 19:53:39 -0600 Subject: SH-2908 Fix for shaders failing to compile when using GLSL 1.20 or 1.10 profile. --- indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl index 45b8db5adc..774f70262a 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl @@ -27,7 +27,7 @@ #ifdef DEFINE_GL_FRAGCOLOR out vec4 frag_color; #else -#define frag_color gl_FragColor; +#define frag_color gl_FragColor #endif //class 2 -- shadows and SSAO -- cgit v1.2.3 From 48f5b69c43d4d4a2b6e272f7ac8d706ccc0c0601 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Fri, 17 Feb 2012 19:40:48 -0600 Subject: SH-2915 Smoother transition between sun shadow splits. --- .../shaders/class2/deferred/sunLightSSAOF.glsl | 50 +++++++++++++++++----- 1 file changed, 40 insertions(+), 10 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl index 774f70262a..02075a7687 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl @@ -196,7 +196,7 @@ void main() return; }*/ - float shadow = 1.0; + float shadow = 0.0; float dp_directional_light = max(0.0, dot(norm, sun_dir.xyz)); vec3 shadow_pos = pos.xyz + displace*norm; @@ -214,33 +214,63 @@ void main() else { vec4 lpos; - - if (spos.z < -shadow_clip.z) + + 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; lpos.xy *= shadow_res; - shadow = pcfShadow(shadowMap3, lpos, 0.25); + + float w = 1.0; + w -= max(spos.z-far_split.z, 0.0)/transition_domain.z; + shadow += pcfShadow(shadowMap3, lpos, 0.25)*w; + weight += w; shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0); } - else if (spos.z < -shadow_clip.y) + + if (spos.z < near_split.y && spos.z > far_split.z) { lpos = shadow_matrix[2]*spos; lpos.xy *= shadow_res; - shadow = pcfShadow(shadowMap2, lpos, 0.5); + + 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)*w; + weight += w; } - else if (spos.z < -shadow_clip.x) + + if (spos.z < near_split.x && spos.z > far_split.y) { lpos = shadow_matrix[1]*spos; lpos.xy *= shadow_res; - shadow = pcfShadow(shadowMap1, lpos, 0.75); + + 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, 0.75)*w; + weight += w; } - else + + if (spos.z > far_split.x) { lpos = shadow_matrix[0]*spos; lpos.xy *= shadow_res; - shadow = pcfShadow(shadowMap0, lpos, 1.0); + + float w = 1.0; + w -= max(near_split.x-spos.z, 0.0)/transition_domain.x; + + shadow += pcfShadow(shadowMap0, lpos, 1.0)*w; + weight += w; } + + shadow /= weight; + // take the most-shadowed value out of these two: // * the blurred sun shadow in the light (shadow) map // * an unblurred dot product between the sun and this norm -- cgit v1.2.3