diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class2/deferred/sunLightMSF.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class2/deferred/sunLightMSF.glsl | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightMSF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightMSF.glsl deleted file mode 100644 index 11b3faa4c9..0000000000 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightMSF.glsl +++ /dev/null @@ -1,222 +0,0 @@ -/** - * @file sunLightMSF.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 - * $/LicenseInfo$ - */ - -#extension GL_ARB_texture_rectangle : enable -#extension GL_ARB_texture_multisample : enable - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 gl_FragColor; -#endif - -//class 2, shadows, no SSAO - -uniform sampler2DMS depthMap; -uniform sampler2DMS normalMap; -uniform sampler2DRectShadow shadowMap0; -uniform sampler2DRectShadow shadowMap1; -uniform sampler2DRectShadow shadowMap2; -uniform sampler2DRectShadow shadowMap3; -uniform sampler2DShadow shadowMap4; -uniform sampler2DShadow shadowMap5; - - -// Inputs -uniform mat4 shadow_matrix[6]; -uniform vec4 shadow_clip; -uniform float ssao_radius; -uniform float ssao_max_radius; -uniform float ssao_factor; -uniform float ssao_factor_inv; - -VARYING vec2 vary_fragcoord; -VARYING vec4 vary_light; - -uniform mat4 inv_proj; -uniform vec2 screen_res; -uniform vec2 shadow_res; -uniform vec2 proj_shadow_res; - -uniform float shadow_bias; -uniform float shadow_offset; - -uniform float spot_shadow_bias; -uniform float spot_shadow_offset; - -vec4 getPosition(ivec2 pos_screen, int sample) -{ - float depth = texelFetch(depthMap, pos_screen.xy, sample).r; - vec2 sc = vec2(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; -} - -float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl) -{ - stc.xyz /= stc.w; - stc.z += shadow_bias*scl; - - float cs = shadow2DRect(shadowMap, stc.xyz).x; - float shadow = cs; - - shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, 1.5, 0.0)).x, cs); - shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, -1.5, 0.0)).x, cs); - shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, 1.5, 0.0)).x, cs); - shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, -1.5, 0.0)).x, cs); - - return shadow/5.0; - - //return shadow; -} - -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 shadow = cs; - - 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); - - return shadow/5.0; - - //return shadow; -} - -void main() -{ - vec2 pos_screen = vary_fragcoord.xy; - ivec2 itc = ivec2(pos_screen); - - //try doing an unproject here - - vec4 fcol = vec4(0,0,0,0); - - for (int i = 0; i < samples; i++) - { - vec4 pos = getPosition(itc, i); - - vec4 nmap4 = texelFetch(normalMap, itc, i); - nmap4 = vec4((nmap4.xy-0.5)*2.0,nmap4.z,nmap4.w); // unpack norm - float displace = nmap4.w; - vec3 norm = nmap4.xyz; - - /*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 - return; - }*/ - - float shadow = 1.0; - float dp_directional_light = max(0.0, dot(norm, vary_light.xyz)); - - vec3 shadow_pos = pos.xyz + displace*norm; - vec3 offset = vary_light.xyz * (1.0-dp_directional_light); - - vec4 spos = vec4(shadow_pos+offset*shadow_offset, 1.0); - - if (spos.z > -shadow_clip.w) - { - if (dp_directional_light == 0.0) - { - // if we know this point is facing away from the sun then we know it's in shadow without having to do a squirrelly shadow-map lookup - shadow = 0.0; - } - else - { - vec4 lpos; - - if (spos.z < -shadow_clip.z) - { - lpos = shadow_matrix[3]*spos; - lpos.xy *= shadow_res; - shadow = pcfShadow(shadowMap3, lpos, 0.25); - 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) - { - lpos = shadow_matrix[2]*spos; - lpos.xy *= shadow_res; - shadow = pcfShadow(shadowMap2, lpos, 0.5); - } - else if (spos.z < -shadow_clip.x) - { - lpos = shadow_matrix[1]*spos; - lpos.xy *= shadow_res; - shadow = pcfShadow(shadowMap1, lpos, 0.75); - } - else - { - lpos = shadow_matrix[0]*spos; - lpos.xy *= shadow_res; - shadow = pcfShadow(shadowMap0, lpos, 1.0); - } - - // 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 - // the goal is to err on the side of most-shadow to fill-in shadow holes and reduce artifacting - shadow = min(shadow, dp_directional_light); - - //lpos.xy /= lpos.w*32.0; - //if (fract(lpos.x) < 0.1 || fract(lpos.y) < 0.1) - //{ - // shadow = 0.0; - //} - - } - } - else - { - // more distant than the shadow map covers - shadow = 1.0; - } - - fcol[0] += shadow; - fcol[1] += 1.0; - - spos = vec4(shadow_pos+norm*spot_shadow_offset, 1.0); - - //spotlight shadow 1 - vec4 lpos = shadow_matrix[4]*spos; - fcol[2] += pcfShadow(shadowMap4, lpos, 0.8); - - //spotlight shadow 2 - lpos = shadow_matrix[5]*spos; - fcol[3] += pcfShadow(shadowMap5, lpos, 0.8); - } - - gl_FragColor = fcol/samples; -} |