0b12ebba11
* Shadow fadeout exponent hardcoded for now, should be user configurable. * optimization - skip shadows outside visible range
1327 lines
31 KiB
GLSL
1327 lines
31 KiB
GLSL
[vertex]
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#ifdef USE_GLES_OVER_GL
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#define mediump
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#define highp
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#define roundfix( m_val ) floor( (m_val) + 0.5 )
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#else
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precision mediump float;
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precision mediump int;
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#endif
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/*
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from VisualServer:
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ARRAY_VERTEX=0,
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ARRAY_NORMAL=1,
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ARRAY_TANGENT=2,
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ARRAY_COLOR=3,
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ARRAY_TEX_UV=4,
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ARRAY_TEX_UV2=5,
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ARRAY_BONES=6,
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ARRAY_WEIGHTS=7,
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ARRAY_INDEX=8,
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*/
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//hack to use uv if no uv present so it works with lightmap
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#ifdef ENABLE_AMBIENT_LIGHTMAP
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#ifdef USE_LIGHTMAP_ON_UV2
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#ifndef ENABLE_UV2_INTERP
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#define ENABLE_UV2_INTERP
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#endif
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#else
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#ifndef ENABLE_UV_INTERP
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#define ENABLE_UV_INTERP
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#endif
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#endif
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#endif
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/* INPUT ATTRIBS */
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attribute highp vec4 vertex_attrib; // attrib:0
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attribute vec3 normal_attrib; // attrib:1
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attribute vec4 tangent_attrib; // attrib:2
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attribute vec4 color_attrib; // attrib:3
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attribute vec2 uv_attrib; // attrib:4
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attribute vec2 uv2_attrib; // attrib:5
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uniform float normal_mult;
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#ifdef USE_SKELETON
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attribute vec4 bone_indices; // attrib:6
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attribute vec4 bone_weights; // attrib:7
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uniform highp sampler2D skeleton_matrices;
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uniform highp float skeltex_pixel_size;
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#endif
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#ifdef USE_ATTRIBUTE_INSTANCING
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attribute highp vec4 instance_row0; // attrib:8
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attribute highp vec4 instance_row1; // attrib:9
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attribute highp vec4 instance_row2; // attrib:10
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attribute highp vec4 instance_row3; // attrib:11
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#endif
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#ifdef USE_TEXTURE_INSTANCING
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attribute highp vec3 instance_uv; // attrib:6
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uniform highp sampler2D instance_matrices;
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#endif
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uniform highp mat4 world_transform;
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uniform highp mat4 camera_inverse_transform;
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uniform highp mat4 projection_transform;
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#ifdef USE_UNIFORM_INSTANCING
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//shittiest form of instancing (but most compatible)
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uniform highp mat4 instance_transform;
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#endif
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/* Varyings */
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varying vec3 vertex_interp;
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varying vec3 normal_interp;
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#if defined(ENABLE_COLOR_INTERP)
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varying vec4 color_interp;
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#endif
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#if defined(ENABLE_UV_INTERP)
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varying vec2 uv_interp;
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#endif
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#if defined(ENABLE_UV2_INTERP)
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varying vec2 uv2_interp;
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#endif
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#if defined(ENABLE_VAR1_INTERP)
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varying vec4 var1_interp;
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#endif
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#if defined(ENABLE_VAR2_INTERP)
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varying vec4 var2_interp;
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#endif
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#if defined(ENABLE_TANGENT_INTERP)
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varying vec3 tangent_interp;
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varying vec3 binormal_interp;
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#endif
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#ifdef ENABLE_AMBIENT_OCTREE
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uniform highp mat4 ambient_octree_inverse_transform;
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varying highp vec3 ambient_octree_coords;
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#endif
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#ifdef USE_FOG
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varying vec4 fog_interp;
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uniform highp vec3 fog_params;
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uniform vec3 fog_color_begin;
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uniform vec3 fog_color_end;
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#endif
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#ifdef USE_VERTEX_LIGHTING
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uniform vec3 light_pos;
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uniform vec3 light_direction;
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uniform vec3 light_attenuation;
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uniform vec3 light_spot_attenuation;
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uniform vec3 light_diffuse;
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uniform vec3 light_specular;
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#endif
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varying vec4 diffuse_interp;
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varying vec3 specular_interp;
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//intended for static branching
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//pretty much all meaningful platforms support
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//static branching
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uniform float time;
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uniform float instance_id;
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uniform vec3 ambient_light;
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#if !defined(USE_DEPTH_SHADOWS) && defined(USE_SHADOW_PASS)
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varying vec4 position_interp;
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#endif
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#ifdef LIGHT_USE_SHADOW
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uniform highp mat4 shadow_matrix;
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varying highp vec4 shadow_coord;
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#ifdef LIGHT_USE_PSSM
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uniform highp mat4 shadow_matrix2;
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varying highp vec4 shadow_coord2;
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#endif
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#ifdef LIGHT_USE_PSSM4
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uniform highp mat4 shadow_matrix3;
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varying highp vec4 shadow_coord3;
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uniform highp mat4 shadow_matrix4;
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varying highp vec4 shadow_coord4;
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#endif
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#endif
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#ifdef USE_SHADOW_PASS
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uniform highp float shadow_z_offset;
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uniform highp float shadow_z_slope_scale;
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#endif
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#ifdef USE_DUAL_PARABOLOID
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uniform highp vec2 dual_paraboloid;
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varying float dp_clip;
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#endif
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VERTEX_SHADER_GLOBALS
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void main() {
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#ifdef USE_UNIFORM_INSTANCING
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highp mat4 modelview = (camera_inverse_transform * (world_transform * instance_transform));
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#ifdef ENABLE_AMBIENT_OCTREE
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highp mat4 ambient_octree_transform = (ambient_octree_inverse_transform * (world_transform * instance_transform));
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#endif
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#else
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#ifdef USE_ATTRIBUTE_INSTANCING
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highp mat4 minst=mat4(instance_row0,instance_row1,instance_row2,instance_row3);
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highp mat4 modelview = (camera_inverse_transform * (world_transform * minst));
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#ifdef ENABLE_AMBIENT_OCTREE
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highp mat4 ambient_octree_transform = (ambient_octree_inverse_transform * (world_transform * minst));
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#endif
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#else
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#ifdef USE_TEXTURE_INSTANCING
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highp vec2 ins_ofs=vec2(instance_uv.z,0.0);
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highp mat4 minst=mat4(
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texture2D(instance_matrices,instance_uv.xy),
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texture2D(instance_matrices,instance_uv.xy+ins_ofs),
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texture2D(instance_matrices,instance_uv.xy+ins_ofs*2.0),
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texture2D(instance_matrices,instance_uv.xy+ins_ofs*3.0)
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);
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/*highp mat4 minst=mat4(
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vec4(1.0,0.0,0.0,0.0),
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vec4(0.0,1.0,0.0,0.0),
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vec4(0.0,0.0,1.0,0.0),
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vec4(0.0,0.0,0.0,1.0)
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);*/
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highp mat4 modelview = (camera_inverse_transform * (world_transform * minst));
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#ifdef ENABLE_AMBIENT_OCTREE
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highp mat4 ambient_octree_transform = (ambient_octree_inverse_transform * (world_transform * minst));
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#endif
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#else
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highp mat4 modelview = (camera_inverse_transform * world_transform);
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#ifdef ENABLE_AMBIENT_OCTREE
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highp mat4 ambient_octree_transform = (ambient_octree_inverse_transform * world_transform);
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#endif
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#endif
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#endif
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#endif
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highp vec4 vertex_in = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
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vec3 normal_in = normal_attrib;
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normal_in*=normal_mult;
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#if defined(ENABLE_TANGENT_INTERP)
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vec3 tangent_in = tangent_attrib.xyz;
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tangent_in*=normal_mult;
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float binormalf = tangent_attrib.a;
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#endif
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#ifdef USE_SKELETON
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{
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//skeleton transform
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highp mat4 m=mat4(texture2D(skeleton_matrices,vec2((bone_indices.x*3.0+0.0)*skeltex_pixel_size,0.0)),texture2D(skeleton_matrices,vec2((bone_indices.x*3.0+1.0)*skeltex_pixel_size,0.0)),texture2D(skeleton_matrices,vec2((bone_indices.x*3.0+2.0)*skeltex_pixel_size,0.0)),vec4(0.0,0.0,0.0,1.0))*bone_weights.x;
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m+=mat4(texture2D(skeleton_matrices,vec2((bone_indices.y*3.0+0.0)*skeltex_pixel_size,0.0)),texture2D(skeleton_matrices,vec2((bone_indices.y*3.0+1.0)*skeltex_pixel_size,0.0)),texture2D(skeleton_matrices,vec2((bone_indices.y*3.0+2.0)*skeltex_pixel_size,0.0)),vec4(0.0,0.0,0.0,1.0))*bone_weights.y;
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m+=mat4(texture2D(skeleton_matrices,vec2((bone_indices.z*3.0+0.0)*skeltex_pixel_size,0.0)),texture2D(skeleton_matrices,vec2((bone_indices.z*3.0+1.0)*skeltex_pixel_size,0.0)),texture2D(skeleton_matrices,vec2((bone_indices.z*3.0+2.0)*skeltex_pixel_size,0.0)),vec4(0.0,0.0,0.0,1.0))*bone_weights.z;
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m+=mat4(texture2D(skeleton_matrices,vec2((bone_indices.w*3.0+0.0)*skeltex_pixel_size,0.0)),texture2D(skeleton_matrices,vec2((bone_indices.w*3.0+1.0)*skeltex_pixel_size,0.0)),texture2D(skeleton_matrices,vec2((bone_indices.w*3.0+2.0)*skeltex_pixel_size,0.0)),vec4(0.0,0.0,0.0,1.0))*bone_weights.w;
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vertex_in = vertex_in * m;
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normal_in = (vec4(normal_in,0.0) * m).xyz;
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#if defined(ENABLE_TANGENT_INTERP)
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tangent_in = (vec4(tangent_in,0.0) * m).xyz;
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#endif
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}
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#endif
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#ifdef ENABLE_AMBIENT_OCTREE
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ambient_octree_coords = (ambient_octree_transform * vertex_in).xyz;
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#endif
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vertex_interp = (modelview * vertex_in).xyz;
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normal_interp = normalize((modelview * vec4(normal_in,0.0)).xyz);
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#if defined(ENABLE_COLOR_INTERP)
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#ifdef USE_COLOR_ATTRIB_SRGB_TO_LINEAR
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color_interp = vec4(
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color_attrib.r<0.04045 ? color_attrib.r * (1.0 / 12.92) : pow((color_attrib.r + 0.055) * (1.0 / (1 + 0.055)), 2.4),
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color_attrib.g<0.04045 ? color_attrib.g * (1.0 / 12.92) : pow((color_attrib.g + 0.055) * (1.0 / (1 + 0.055)), 2.4),
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color_attrib.b<0.04045 ? color_attrib.b * (1.0 / 12.92) : pow((color_attrib.b + 0.055) * (1.0 / (1 + 0.055)), 2.4),
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color_attrib.a
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);
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#else
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color_interp = color_attrib;
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#endif
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#endif
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#if defined(ENABLE_TANGENT_INTERP)
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tangent_interp=normalize((modelview * vec4(tangent_in,0.0)).xyz);
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binormal_interp = normalize( cross(normal_interp,tangent_interp) * binormalf );
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#endif
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#if defined(ENABLE_UV_INTERP)
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uv_interp = uv_attrib;
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#endif
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#if defined(ENABLE_UV2_INTERP)
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uv2_interp = uv2_attrib;
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#endif
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float vertex_specular_exp = 40.0; //material_specular.a;
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VERTEX_SHADER_CODE
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#ifdef USE_DUAL_PARABOLOID
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//for dual paraboloid shadow mapping
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highp vec3 vtx = vertex_interp;
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vtx.z*=dual_paraboloid.y; //side to affect
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vtx.z+=0.01;
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dp_clip=vtx.z;
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highp float len=length( vtx );
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vtx=normalize(vtx);
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vtx.xy/=1.0+vtx.z;
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vtx.z = len*dual_paraboloid.x; // it's a reciprocal(len - z_near) / (z_far - z_near);
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vtx+=normalize(vtx)*0.025;
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vtx.z = vtx.z * 2.0 - 1.0; // fit to clipspace
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vertex_interp=vtx;
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//vertex_interp.w = z_clip;
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#endif
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#ifdef USE_SHADOW_PASS
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float z_ofs = shadow_z_offset;
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z_ofs += (1.0-abs(normal_interp.z))*shadow_z_slope_scale;
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vertex_interp.z-=z_ofs;
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#endif
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#ifdef LIGHT_USE_SHADOW
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shadow_coord = shadow_matrix * vec4(vertex_interp,1.0);
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shadow_coord.xyz/=shadow_coord.w;
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#ifdef LIGHT_USE_PSSM
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shadow_coord.y*=0.5;
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shadow_coord.y+=0.5;
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shadow_coord2 = shadow_matrix2 * vec4(vertex_interp,1.0);
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shadow_coord2.xyz/=shadow_coord2.w;
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shadow_coord2.y*=0.5;
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#endif
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#ifdef LIGHT_USE_PSSM4
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shadow_coord.x*=0.5;
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shadow_coord2.x*=0.5;
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shadow_coord3 = shadow_matrix3 * vec4(vertex_interp,1.0);
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shadow_coord3.xyz/=shadow_coord3.w;
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shadow_coord3.xy*=vec2(0.5);
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shadow_coord3.xy+=vec2(0.5);
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shadow_coord4 = shadow_matrix4 * vec4(vertex_interp,1.0);
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shadow_coord4.xyz/=shadow_coord4.w;
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shadow_coord4.xy*=vec2(0.5);
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shadow_coord4.x+=0.5;
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#endif
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#endif
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#ifdef USE_FOG
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fog_interp.a = pow( clamp( (length(vertex_interp)-fog_params.x)/(fog_params.y-fog_params.x), 0.0, 1.0 ), fog_params.z );
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fog_interp.rgb = mix( fog_color_begin, fog_color_end, fog_interp.a );
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#endif
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#ifndef VERTEX_SHADER_WRITE_POSITION
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//vertex shader might write a position
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gl_Position = projection_transform * vec4(vertex_interp,1.0);
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#endif
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#if !defined(USE_DEPTH_SHADOWS) && defined(USE_SHADOW_PASS)
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position_interp=gl_Position;
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#endif
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#ifdef USE_VERTEX_LIGHTING
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vec3 eye_vec = -normalize(vertex_interp);
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#ifdef LIGHT_TYPE_DIRECTIONAL
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vec3 light_dir = -light_direction;
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float attenuation = light_attenuation.r;
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#endif
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#ifdef LIGHT_TYPE_OMNI
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vec3 light_dir = light_pos-vertex_interp;
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float radius = light_attenuation.g;
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float dist = min(length(light_dir),radius);
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light_dir=normalize(light_dir);
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float attenuation = pow( max(1.0 - dist/radius, 0.0), light_attenuation.b ) * light_attenuation.r;
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#endif
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#ifdef LIGHT_TYPE_SPOT
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vec3 light_dir = light_pos-vertex_interp;
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float radius = light_attenuation.g;
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float dist = min(length(light_dir),radius);
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light_dir=normalize(light_dir);
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float attenuation = pow( max(1.0 - dist/radius, 0.0), light_attenuation.b ) * light_attenuation.r;
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vec3 spot_dir = light_direction;
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float spot_cutoff=light_spot_attenuation.r;
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float scos = max(dot(-light_dir, spot_dir),spot_cutoff);
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float rim = (1.0 - scos) / (1.0 - spot_cutoff);
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attenuation *= 1.0 - pow( rim, light_spot_attenuation.g);
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#endif
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#if defined(LIGHT_TYPE_DIRECTIONAL) || defined(LIGHT_TYPE_OMNI) || defined(LIGHT_TYPE_SPOT)
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//process_shade(normal_interp,light_dir,eye_vec,vertex_specular_exp,attenuation,diffuse_interp,specular_interp);
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{
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float NdotL = max(0.0,dot( normal_interp, light_dir ));
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vec3 half_vec = normalize(light_dir + eye_vec);
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float eye_light = max(dot(normal_interp, half_vec),0.0);
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diffuse_interp.rgb=light_diffuse * NdotL * attenuation;
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diffuse_interp.a=attenuation;
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if (NdotL > 0.0) {
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specular_interp=light_specular * pow( eye_light, vertex_specular_exp ) * attenuation;
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} else {
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specular_interp=vec3(0.0);
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}
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}
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#else
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#ifdef SHADELESS
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diffuse_interp=vec4(vec3(1.0),0.0);
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specular_interp=vec3(0.0);
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# else
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diffuse_interp=vec4(0.0);
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specular_interp=vec3(0.0);
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# endif
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#endif
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#endif
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}
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[fragment]
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#ifdef USE_GLES_OVER_GL
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#define mediump
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#define highp
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#define roundfix( m_val ) floor( (m_val) + 0.5 )
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#else
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precision mediump float;
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precision mediump int;
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#endif
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//hack to use uv if no uv present so it works with lightmap
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#ifdef ENABLE_AMBIENT_LIGHTMAP
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#ifdef USE_LIGHTMAP_ON_UV2
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#ifndef ENABLE_UV2_INTERP
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#define ENABLE_UV2_INTERP
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#endif
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#else
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#ifndef ENABLE_UV_INTERP
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#define ENABLE_UV_INTERP
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|
|
|
|
/* Varyings */
|
|
|
|
#if defined(ENABLE_COLOR_INTERP)
|
|
varying vec4 color_interp;
|
|
#endif
|
|
|
|
#if defined(ENABLE_UV_INTERP)
|
|
varying vec2 uv_interp;
|
|
#endif
|
|
|
|
#if defined(ENABLE_UV2_INTERP)
|
|
varying vec2 uv2_interp;
|
|
#endif
|
|
|
|
#if defined(ENABLE_TANGENT_INTERP)
|
|
varying vec3 tangent_interp;
|
|
varying vec3 binormal_interp;
|
|
#endif
|
|
|
|
#if defined(ENABLE_VAR1_INTERP)
|
|
varying vec4 var1_interp;
|
|
#endif
|
|
|
|
#if defined(ENABLE_VAR2_INTERP)
|
|
varying vec4 var2_interp;
|
|
#endif
|
|
|
|
#ifdef LIGHT_USE_PSSM
|
|
uniform vec3 light_pssm_split;
|
|
#endif
|
|
|
|
varying vec3 vertex_interp;
|
|
varying vec3 normal_interp;
|
|
|
|
#ifdef USE_FOG
|
|
|
|
varying vec4 fog_interp;
|
|
|
|
#endif
|
|
|
|
/* Material Uniforms */
|
|
|
|
#ifdef USE_VERTEX_LIGHTING
|
|
|
|
varying vec4 diffuse_interp;
|
|
varying vec3 specular_interp;
|
|
|
|
#endif
|
|
|
|
#if !defined(USE_DEPTH_SHADOWS) && defined(USE_SHADOW_PASS)
|
|
|
|
varying vec4 position_interp;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
uniform vec3 light_pos;
|
|
uniform vec3 light_direction;
|
|
uniform vec3 light_attenuation;
|
|
uniform vec3 light_spot_attenuation;
|
|
uniform vec3 light_diffuse;
|
|
uniform vec3 light_specular;
|
|
|
|
uniform vec3 ambient_light;
|
|
|
|
|
|
#ifdef USE_FRAGMENT_LIGHTING
|
|
|
|
|
|
|
|
# ifdef USE_DEPTH_SHADOWS
|
|
# else
|
|
# endif
|
|
|
|
#endif
|
|
|
|
uniform float const_light_mult;
|
|
uniform float time;
|
|
|
|
#ifdef ENABLE_AMBIENT_OCTREE
|
|
|
|
varying highp vec3 ambient_octree_coords;
|
|
uniform highp float ambient_octree_lattice_size;
|
|
uniform highp vec2 ambient_octree_pix_size;
|
|
uniform highp vec2 ambient_octree_light_pix_size;
|
|
uniform highp float ambient_octree_lattice_divide;
|
|
uniform highp sampler2D ambient_octree_tex;
|
|
uniform highp sampler2D ambient_octree_light_tex;
|
|
uniform float ambient_octree_multiplier;
|
|
uniform int ambient_octree_steps;
|
|
|
|
#endif
|
|
|
|
#ifdef ENABLE_AMBIENT_LIGHTMAP
|
|
|
|
uniform highp sampler2D ambient_lightmap;
|
|
uniform float ambient_lightmap_multiplier;
|
|
|
|
#endif
|
|
|
|
#ifdef ENABLE_AMBIENT_DP_SAMPLER
|
|
|
|
uniform highp sampler2D ambient_dp_sampler;
|
|
uniform float ambient_dp_sampler_multiplier;
|
|
|
|
#endif
|
|
|
|
#ifdef ENABLE_AMBIENT_COLOR
|
|
|
|
uniform vec3 ambient_color;
|
|
|
|
#endif
|
|
|
|
FRAGMENT_SHADER_GLOBALS
|
|
|
|
|
|
|
|
#ifdef LIGHT_USE_SHADOW
|
|
|
|
varying highp vec4 shadow_coord;
|
|
#ifdef LIGHT_USE_PSSM
|
|
varying highp vec4 shadow_coord2;
|
|
#endif
|
|
#ifdef LIGHT_USE_PSSM4
|
|
varying highp vec4 shadow_coord3;
|
|
varying highp vec4 shadow_coord4;
|
|
#endif
|
|
|
|
uniform highp sampler2D shadow_texture;
|
|
uniform highp vec2 shadow_texel_size;
|
|
|
|
uniform float shadow_darkening;
|
|
|
|
#ifdef USE_DEPTH_SHADOWS
|
|
|
|
#define SHADOW_DEPTH(m_tex,m_uv) (texture2D((m_tex),(m_uv)).z)
|
|
|
|
#else
|
|
|
|
//#define SHADOW_DEPTH(m_tex,m_uv) dot(texture2D((m_tex),(m_uv)),highp vec4(1.0 / (256.0 * 256.0 * 256.0),1.0 / (256.0 * 256.0),1.0 / 256.0,1) )
|
|
#define SHADOW_DEPTH(m_tex,m_uv) dot(texture2D((m_tex),(m_uv)),vec4(1.0 / (256.0 * 256.0 * 256.0),1.0 / (256.0 * 256.0),1.0 / 256.0,1) )
|
|
|
|
#endif
|
|
|
|
#ifdef USE_SHADOW_PCF
|
|
|
|
|
|
#ifdef USE_SHADOW_PCF_HQ
|
|
|
|
|
|
float SAMPLE_SHADOW_TEX( highp vec2 coord, highp float refdepth) {
|
|
|
|
float avg=(SHADOW_DEPTH(shadow_texture,coord) < refdepth ? 0.0 : 1.0);
|
|
avg+=(SHADOW_DEPTH(shadow_texture,coord+vec2(shadow_texel_size.x,0.0)) < refdepth ? 0.0 : 1.0);
|
|
avg+=(SHADOW_DEPTH(shadow_texture,coord+vec2(-shadow_texel_size.x,0.0)) < refdepth ? 0.0 : 1.0);
|
|
avg+=(SHADOW_DEPTH(shadow_texture,coord+vec2(0.0,shadow_texel_size.y)) < refdepth ? 0.0 : 1.0);
|
|
avg+=(SHADOW_DEPTH(shadow_texture,coord+vec2(0.0,-shadow_texel_size.y)) < refdepth ? 0.0 : 1.0);
|
|
avg+=(SHADOW_DEPTH(shadow_texture,coord+vec2(shadow_texel_size.x,shadow_texel_size.y)) < refdepth ? 0.0 : 1.0);
|
|
avg+=(SHADOW_DEPTH(shadow_texture,coord+vec2(-shadow_texel_size.x,shadow_texel_size.y)) < refdepth ? 0.0 : 1.0);
|
|
avg+=(SHADOW_DEPTH(shadow_texture,coord+vec2(shadow_texel_size.x,-shadow_texel_size.y)) < refdepth ? 0.0 : 1.0);
|
|
avg+=(SHADOW_DEPTH(shadow_texture,coord+vec2(-shadow_texel_size.x,-shadow_texel_size.y)) < refdepth ? 0.0 : 1.0);
|
|
avg+=(SHADOW_DEPTH(shadow_texture,coord+vec2(shadow_texel_size.x*2.0,0.0)) < refdepth ? 0.0 : 1.0);
|
|
avg+=(SHADOW_DEPTH(shadow_texture,coord+vec2(-shadow_texel_size.x*2.0,0.0)) < refdepth ? 0.0 : 1.0);
|
|
avg+=(SHADOW_DEPTH(shadow_texture,coord+vec2(0.0,shadow_texel_size.y*2.0)) < refdepth ? 0.0 : 1.0);
|
|
avg+=(SHADOW_DEPTH(shadow_texture,coord+vec2(0.0,-shadow_texel_size.y*2.0)) < refdepth ? 0.0 : 1.0);
|
|
return avg*(1.0/13.0);
|
|
}
|
|
|
|
#else
|
|
|
|
float SAMPLE_SHADOW_TEX( highp vec2 coord, highp float refdepth) {
|
|
|
|
float avg=(SHADOW_DEPTH(shadow_texture,coord) < refdepth ? 0.0 : 1.0);
|
|
avg+=(SHADOW_DEPTH(shadow_texture,coord+vec2(shadow_texel_size.x,0.0)) < refdepth ? 0.0 : 1.0);
|
|
avg+=(SHADOW_DEPTH(shadow_texture,coord+vec2(-shadow_texel_size.x,0.0)) < refdepth ? 0.0 : 1.0);
|
|
avg+=(SHADOW_DEPTH(shadow_texture,coord+vec2(0.0,shadow_texel_size.y)) < refdepth ? 0.0 : 1.0);
|
|
avg+=(SHADOW_DEPTH(shadow_texture,coord+vec2(0.0,-shadow_texel_size.y)) < refdepth ? 0.0 : 1.0);
|
|
return avg*0.2;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/*
|
|
16x averaging
|
|
float SAMPLE_SHADOW_TEX( highp vec2 coord, highp float refdepth) {
|
|
|
|
vec2 offset = vec2(
|
|
lessThan(vec2(0.25),fract(gl_FragCoord.xy * 0.5))
|
|
);
|
|
offset.y += offset.x; // y ^= x in floating point
|
|
|
|
if (offset.y > 1.1)
|
|
offset.y = 0.0;
|
|
float avg = step( refdepth, SHADOW_DEPTH(shadow_texture, coord+ (offset + vec2(-1.5, 0.5))*shadow_texel_size) );
|
|
avg+=step(refdepth, SHADOW_DEPTH(shadow_texture, coord+ (offset + vec2(0.5, 0.5))*shadow_texel_size) );
|
|
avg+=step(refdepth, SHADOW_DEPTH(shadow_texture, coord+ (offset + vec2(-1.5, -1.5))*shadow_texel_size) );
|
|
avg+=step(refdepth, SHADOW_DEPTH(shadow_texture, coord+ (offset + vec2(0.5, -1.5))*shadow_texel_size) );
|
|
return avg * 0.25;
|
|
}
|
|
*/
|
|
|
|
/*
|
|
float SAMPLE_SHADOW_TEX( highp vec2 coord, highp float refdepth) {
|
|
|
|
vec2 offset = vec2(
|
|
lessThan(vec2(0.25),fract(gl_FragCoord.xy * 0.5))
|
|
);
|
|
offset.y += offset.x; // y ^= x in floating point
|
|
|
|
if (offset.y > 1.1)
|
|
offset.y = 0.0;
|
|
return step( refdepth, SHADOW_DEPTH(shadow_texture, coord+ offset*shadow_texel_size) );
|
|
|
|
}
|
|
|
|
*/
|
|
/* simple pcf4 */
|
|
//#define SAMPLE_SHADOW_TEX(m_coord,m_depth) ((step(m_depth,SHADOW_DEPTH(shadow_texture,m_coord))+step(m_depth,SHADOW_DEPTH(shadow_texture,m_coord+vec2(0.0,shadow_texel_size.y)))+step(m_depth,SHADOW_DEPTH(shadow_texture,m_coord+vec2(shadow_texel_size.x,0.0)))+step(m_depth,SHADOW_DEPTH(shadow_texture,m_coord+shadow_texel_size)))/4.0)
|
|
|
|
#endif
|
|
|
|
#ifdef USE_SHADOW_ESM
|
|
|
|
uniform float esm_multiplier;
|
|
|
|
float SAMPLE_SHADOW_TEX(vec2 p_uv,float p_depth) {
|
|
|
|
#if defined (USE_DEPTH_SHADOWS)
|
|
//these only are used if interpolation exists
|
|
highp float occluder = SHADOW_DEPTH(shadow_texture, p_uv);
|
|
#else
|
|
vec2 unnormalized = p_uv/shadow_texel_size;
|
|
vec2 fractional = fract(unnormalized);
|
|
unnormalized = floor(unnormalized);
|
|
|
|
vec4 exponent;
|
|
exponent.x = SHADOW_DEPTH(shadow_texture, (unnormalized + vec2( -0.5, 0.5 )) * shadow_texel_size );
|
|
exponent.y = SHADOW_DEPTH(shadow_texture, (unnormalized + vec2( 0.5, 0.5 )) * shadow_texel_size );
|
|
exponent.z = SHADOW_DEPTH(shadow_texture, (unnormalized + vec2( 0.5, -0.5 )) * shadow_texel_size );
|
|
exponent.w = SHADOW_DEPTH(shadow_texture, (unnormalized + vec2( -0.5, -0.5 )) * shadow_texel_size );
|
|
|
|
highp float occluder = (exponent.w + (exponent.x - exponent.w) * fractional.y);
|
|
occluder = occluder + ((exponent.z + (exponent.y - exponent.z) * fractional.y) - occluder)*fractional.x;
|
|
#endif
|
|
return clamp(exp(esm_multiplier* ( occluder - p_depth )),0.0,1.0);
|
|
|
|
}
|
|
|
|
|
|
#endif
|
|
|
|
#if !defined(USE_SHADOW_PCF) && !defined(USE_SHADOW_ESM)
|
|
|
|
#define SAMPLE_SHADOW_TEX(m_coord,m_depth) (SHADOW_DEPTH(shadow_texture,m_coord) < m_depth ? 0.0 : 1.0)
|
|
|
|
#endif
|
|
|
|
|
|
#endif
|
|
|
|
#ifdef USE_DUAL_PARABOLOID
|
|
|
|
varying float dp_clip;
|
|
|
|
#endif
|
|
|
|
uniform highp mat4 camera_inverse_transform;
|
|
|
|
#if defined(ENABLE_TEXSCREEN)
|
|
|
|
uniform vec2 texscreen_screen_mult;
|
|
uniform vec4 texscreen_screen_clamp;
|
|
uniform sampler2D texscreen_tex;
|
|
|
|
#endif
|
|
|
|
#if defined(ENABLE_SCREEN_UV)
|
|
|
|
uniform vec2 screen_uv_mult;
|
|
|
|
#endif
|
|
|
|
void main() {
|
|
|
|
#ifdef USE_DUAL_PARABOLOID
|
|
if (dp_clip<0.0)
|
|
discard;
|
|
#endif
|
|
|
|
//lay out everything, whathever is unused is optimized away anyway
|
|
vec3 vertex = vertex_interp;
|
|
vec4 diffuse = vec4(0.9,0.9,0.9,1.0);
|
|
vec3 specular = vec3(0.0,0.0,0.0);
|
|
vec3 emission = vec3(0.0,0.0,0.0);
|
|
float specular_exp=1.0;
|
|
float glow=0.0;
|
|
float shade_param=0.0;
|
|
#ifdef DISABLE_FRONT_FACING
|
|
float side=float(1)*2.0-1.0;
|
|
#else
|
|
float side=float(gl_FrontFacing)*2.0-1.0;
|
|
#endif
|
|
#if defined(ENABLE_TANGENT_INTERP)
|
|
vec3 binormal = normalize(binormal_interp)*side;
|
|
vec3 tangent = normalize(tangent_interp)*side;
|
|
#endif
|
|
// vec3 normal = abs(normalize(normal_interp))*side;
|
|
vec3 normal = normalize(normal_interp)*side;
|
|
#if defined(ENABLE_SCREEN_UV)
|
|
vec2 screen_uv = gl_FragCoord.xy*screen_uv_mult;
|
|
#endif
|
|
|
|
#if defined(ENABLE_UV_INTERP)
|
|
vec2 uv = uv_interp;
|
|
#endif
|
|
|
|
#if defined(ENABLE_UV2_INTERP)
|
|
vec2 uv2 = uv2_interp;
|
|
#endif
|
|
|
|
#if defined(ENABLE_COLOR_INTERP)
|
|
vec4 color = color_interp;
|
|
#endif
|
|
|
|
#if defined(ENABLE_NORMALMAP)
|
|
|
|
vec3 normalmap = vec3(0.0);
|
|
#endif
|
|
|
|
float normaldepth=1.0;
|
|
|
|
|
|
|
|
#if defined(ENABLE_DISCARD)
|
|
bool discard_=false;
|
|
#endif
|
|
|
|
{
|
|
|
|
|
|
FRAGMENT_SHADER_CODE
|
|
|
|
}
|
|
|
|
#if defined(ENABLE_NORMALMAP)
|
|
|
|
normal = normalize( mix(normal_interp,tangent_interp * normalmap.x + binormal_interp * normalmap.y + normal_interp * normalmap.z,normaldepth) ) * side;
|
|
|
|
#endif
|
|
|
|
#if defined(ENABLE_DISCARD)
|
|
if (discard_) {
|
|
//easy to eliminate dead code
|
|
discard;
|
|
}
|
|
#endif
|
|
|
|
#ifdef ENABLE_CLIP_ALPHA
|
|
if (diffuse.a<0.99) {
|
|
//used for doublepass and shadowmapping
|
|
discard;
|
|
}
|
|
#endif
|
|
|
|
float shadow_attenuation = 1.0;
|
|
|
|
#ifdef ENABLE_AMBIENT_LIGHTMAP
|
|
|
|
vec3 ambientmap_color = vec3(0.0,0.0,0.0);
|
|
vec2 ambientmap_uv = vec2(0.0,0.0);
|
|
|
|
#ifdef USE_LIGHTMAP_ON_UV2
|
|
|
|
ambientmap_uv = uv2_interp;
|
|
|
|
#else
|
|
|
|
ambientmap_uv = uv_interp;
|
|
|
|
#endif
|
|
|
|
vec4 amcol = texture2D(ambient_lightmap,ambientmap_uv);
|
|
shadow_attenuation=amcol.a;
|
|
ambientmap_color = amcol.rgb;
|
|
ambientmap_color*=ambient_lightmap_multiplier;
|
|
ambientmap_color*=diffuse.rgb;
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
#ifdef ENABLE_AMBIENT_OCTREE
|
|
|
|
vec3 ambientmap_color = vec3(0.0,0.0,0.0);
|
|
|
|
|
|
{
|
|
|
|
//read position from initial lattice grid
|
|
highp vec3 lattice_pos = floor(ambient_octree_coords*ambient_octree_lattice_size);
|
|
highp vec2 octant_uv = highp vec2(lattice_pos.x+ambient_octree_lattice_size*lattice_pos.z,lattice_pos.y);
|
|
octant_uv=(octant_uv*highp vec2(2.0,4.0)+highp vec2(0.0,4.0));
|
|
highp float ld = 1.0/ambient_octree_lattice_size;
|
|
|
|
|
|
//go down the octree
|
|
|
|
for(int i=0;i<ambient_octree_steps;i++) {
|
|
|
|
|
|
highp vec3 sub=mod(ambient_octree_coords,ld);
|
|
ld*=0.5;
|
|
highp vec3 s = step(ld,sub);
|
|
octant_uv+=s.xy;
|
|
octant_uv.y+=s.z*2.0;
|
|
octant_uv=(octant_uv+0.5)*ambient_octree_pix_size;
|
|
highp vec4 new_uv = texture2D(ambient_octree_tex,octant_uv);
|
|
octant_uv=floor(highp vec2( dot(new_uv.xy,highp vec2(65280.0,255.0)), dot(new_uv.zw,highp vec2(65280.0,255.0)) )+0.5);//+ambient_octree_pix_size*0.5;
|
|
|
|
}
|
|
|
|
//sample color
|
|
octant_uv=(octant_uv+0.5)*ambient_octree_light_pix_size;
|
|
highp vec3 sub=(mod(ambient_octree_coords,ld)/ld);
|
|
octant_uv.xy+=sub.xy*ambient_octree_light_pix_size.xy;
|
|
vec3 col_up=texture2D(ambient_octree_light_tex,octant_uv).rgb;
|
|
octant_uv.y+=ambient_octree_light_pix_size.y*2.0;
|
|
vec3 col_down=texture2D(ambient_octree_light_tex,octant_uv).rgb;
|
|
ambientmap_color=mix(col_up,col_down,sub.z)*ambient_octree_multiplier;
|
|
|
|
ambientmap_color*=diffuse.rgb;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef ENABLE_AMBIENT_DP_SAMPLER
|
|
|
|
vec3 ambientmap_color = vec3(0.0,0.0,0.0);
|
|
|
|
{
|
|
|
|
vec3 dp_normal = normalize((vec4(normal,0) * camera_inverse_transform).xyz);
|
|
vec2 ambient_uv = (dp_normal.xy / (1.0+abs(dp_normal.z)))*0.5+0.5; //dual paraboloid
|
|
ambient_uv.y*=0.5;
|
|
if (dp_normal.z<0) {
|
|
|
|
ambient_uv.y=(0.5-ambient_uv.y)+0.5;
|
|
|
|
}
|
|
|
|
ambientmap_color = texture2D(ambient_dp_sampler,ambient_uv ).rgb * ambient_dp_sampler_multiplier;
|
|
ambientmap_color*=diffuse.rgb;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef LIGHT_USE_SHADOW
|
|
#ifdef LIGHT_TYPE_DIRECTIONAL
|
|
|
|
float shadow_fade_exponent=5.0; //hardcoded for now
|
|
float shadow_fade=pow(length(vertex_interp)/light_attenuation.g,shadow_fade_exponent);
|
|
|
|
// optimization - skip shadows outside visible range
|
|
if(shadow_fade<1.0){
|
|
|
|
#ifdef LIGHT_USE_PSSM
|
|
|
|
|
|
// if (vertex_interp.z > light_pssm_split) {
|
|
#if 0
|
|
highp vec3 splane = vec3(0.0,0.0,0.0);
|
|
|
|
if (gl_FragCoord.w > light_pssm_split.x) {
|
|
|
|
splane = shadow_coord.xyz;
|
|
splane.y+=1.0;
|
|
} else {
|
|
splane = shadow_coord2.xyz;
|
|
}
|
|
splane.y*=0.5;
|
|
shadow_attenuation=SAMPLE_SHADOW_TEX(splane.xy,splane.z);
|
|
|
|
#else
|
|
/*
|
|
float sa_a = SAMPLE_SHADOW_TEX(shadow_coord.xy,shadow_coord.z);
|
|
float sa_b = SAMPLE_SHADOW_TEX(shadow_coord2.xy,shadow_coord2.z);
|
|
if (gl_FragCoord.w > light_pssm_split.x) {
|
|
shadow_attenuation=sa_a;
|
|
} else {
|
|
shadow_attenuation=sa_b;
|
|
}
|
|
*/
|
|
|
|
vec2 pssm_coord;
|
|
float pssm_z;
|
|
|
|
#if defined(LIGHT_USE_PSSM) && defined(USE_SHADOW_ESM)
|
|
#define USE_PSSM_BLEND
|
|
float pssm_blend;
|
|
vec2 pssm_coord_2;
|
|
float pssm_z_2;
|
|
vec3 light_pssm_split_inv = 1.0/light_pssm_split;
|
|
float w_inv = 1.0/gl_FragCoord.w;
|
|
#endif
|
|
|
|
#ifdef LIGHT_USE_PSSM4
|
|
|
|
|
|
if (gl_FragCoord.w > light_pssm_split.y) {
|
|
|
|
if (gl_FragCoord.w > light_pssm_split.x) {
|
|
pssm_coord=shadow_coord.xy;
|
|
pssm_z=shadow_coord.z;
|
|
#if defined(USE_PSSM_BLEND)
|
|
pssm_coord_2=shadow_coord2.xy;
|
|
pssm_z_2=shadow_coord2.z;
|
|
pssm_blend=smoothstep(0.0,light_pssm_split_inv.x,w_inv);
|
|
#endif
|
|
|
|
} else {
|
|
pssm_coord=shadow_coord2.xy;
|
|
pssm_z=shadow_coord2.z;
|
|
#if defined(USE_PSSM_BLEND)
|
|
pssm_coord_2=shadow_coord3.xy;
|
|
pssm_z_2=shadow_coord3.z;
|
|
pssm_blend=smoothstep(light_pssm_split_inv.x,light_pssm_split_inv.y,w_inv);
|
|
#endif
|
|
|
|
}
|
|
} else {
|
|
|
|
|
|
if (gl_FragCoord.w > light_pssm_split.z) {
|
|
pssm_coord=shadow_coord3.xy;
|
|
pssm_z=shadow_coord3.z;
|
|
#if defined(USE_PSSM_BLEND)
|
|
pssm_coord_2=shadow_coord4.xy;
|
|
pssm_z_2=shadow_coord4.z;
|
|
pssm_blend=smoothstep(light_pssm_split_inv.y,light_pssm_split_inv.z,w_inv);
|
|
#endif
|
|
|
|
} else {
|
|
pssm_coord=shadow_coord4.xy;
|
|
pssm_z=shadow_coord4.z;
|
|
#if defined(USE_PSSM_BLEND)
|
|
pssm_coord_2=shadow_coord4.xy;
|
|
pssm_z_2=shadow_coord4.z;
|
|
pssm_blend=0.0;
|
|
#endif
|
|
|
|
}
|
|
}
|
|
|
|
#else
|
|
|
|
if (gl_FragCoord.w > light_pssm_split.x) {
|
|
pssm_coord=shadow_coord.xy;
|
|
pssm_z=shadow_coord.z;
|
|
#if defined(USE_PSSM_BLEND)
|
|
pssm_coord_2=shadow_coord2.xy;
|
|
pssm_z_2=shadow_coord2.z;
|
|
pssm_blend=smoothstep(0.0,light_pssm_split_inv.x,w_inv);
|
|
#endif
|
|
|
|
} else {
|
|
pssm_coord=shadow_coord2.xy;
|
|
pssm_z=shadow_coord2.z;
|
|
#if defined(USE_PSSM_BLEND)
|
|
pssm_coord_2=shadow_coord2.xy;
|
|
pssm_z_2=shadow_coord2.z;
|
|
pssm_blend=0.0;
|
|
#endif
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
//one one sample
|
|
shadow_attenuation=SAMPLE_SHADOW_TEX(pssm_coord,pssm_z);
|
|
#if defined(USE_PSSM_BLEND)
|
|
shadow_attenuation=mix(shadow_attenuation,SAMPLE_SHADOW_TEX(pssm_coord_2,pssm_z_2),pssm_blend);
|
|
#endif
|
|
|
|
|
|
#endif
|
|
|
|
#else
|
|
|
|
shadow_attenuation=SAMPLE_SHADOW_TEX(shadow_coord.xy,shadow_coord.z);
|
|
#endif
|
|
|
|
shadow_attenuation=mix(shadow_attenuation,1.0,shadow_fade);
|
|
}else{
|
|
shadow_attenuation=1.0;
|
|
};
|
|
|
|
#endif
|
|
|
|
#ifdef LIGHT_TYPE_OMNI
|
|
|
|
vec3 splane=shadow_coord.xyz;///shadow_coord.w;
|
|
float shadow_len=length(splane);
|
|
splane=normalize(splane);
|
|
float vofs=0.0;
|
|
|
|
if (splane.z>=0.0) {
|
|
|
|
splane.z+=1.0;
|
|
} else {
|
|
|
|
splane.z=1.0 - splane.z;
|
|
vofs=0.5;
|
|
}
|
|
splane.xy/=splane.z;
|
|
splane.xy=splane.xy * 0.5 + 0.5;
|
|
float lradius = light_attenuation.g;
|
|
splane.z = shadow_len / lradius;
|
|
splane.y=clamp(splane.y,0.0,1.0)*0.5+vofs;
|
|
|
|
shadow_attenuation=SAMPLE_SHADOW_TEX(splane.xy,splane.z);
|
|
#endif
|
|
|
|
#ifdef LIGHT_TYPE_SPOT
|
|
|
|
shadow_attenuation=SAMPLE_SHADOW_TEX(shadow_coord.xy,shadow_coord.z);
|
|
#endif
|
|
|
|
shadow_attenuation=mix(shadow_attenuation,1.0,shadow_darkening);
|
|
#endif
|
|
|
|
|
|
#ifdef USE_FRAGMENT_LIGHTING
|
|
|
|
vec3 eye_vec = -normalize(vertex);
|
|
|
|
#ifdef LIGHT_TYPE_DIRECTIONAL
|
|
|
|
vec3 light_dir = -light_direction;
|
|
float attenuation = light_attenuation.r;
|
|
|
|
|
|
#endif
|
|
|
|
#ifdef LIGHT_TYPE_OMNI
|
|
|
|
vec3 light_dir = light_pos-vertex;
|
|
float radius = light_attenuation.g;
|
|
float dist = min(length(light_dir),radius);
|
|
light_dir=normalize(light_dir);
|
|
float attenuation = pow( max(1.0 - dist/radius, 0.0), light_attenuation.b ) * light_attenuation.r;
|
|
|
|
#endif
|
|
|
|
|
|
#ifdef LIGHT_TYPE_SPOT
|
|
|
|
vec3 light_dir = light_pos-vertex;
|
|
float radius = light_attenuation.g;
|
|
float dist = min(length(light_dir),radius);
|
|
light_dir=normalize(light_dir);
|
|
float attenuation = pow( max(1.0 - dist/radius, 0.0), light_attenuation.b ) * light_attenuation.r;
|
|
vec3 spot_dir = light_direction;
|
|
float spot_cutoff=light_spot_attenuation.r;
|
|
float scos = max(dot(-light_dir, spot_dir),spot_cutoff);
|
|
float rim = (1.0 - scos) / (1.0 - spot_cutoff);
|
|
attenuation *= 1.0 - pow( rim, light_spot_attenuation.g);
|
|
|
|
#endif
|
|
|
|
# if defined(LIGHT_TYPE_DIRECTIONAL) || defined(LIGHT_TYPE_OMNI) || defined (LIGHT_TYPE_SPOT)
|
|
|
|
{
|
|
|
|
vec3 mdiffuse = diffuse.rgb;
|
|
vec3 light;
|
|
|
|
#if defined(USE_OUTPUT_SHADOW_COLOR)
|
|
vec3 shadow_color=vec3(0.0,0.0,0.0);
|
|
#endif
|
|
|
|
#if defined(USE_LIGHT_SHADER_CODE)
|
|
//light is written by the light shader
|
|
{
|
|
|
|
LIGHT_SHADER_CODE
|
|
|
|
}
|
|
#else
|
|
//traditional lambert + blinn
|
|
float NdotL = max(0.0,dot( normal, light_dir ));
|
|
vec3 half_vec = normalize(light_dir + eye_vec);
|
|
float eye_light = max(dot(normal, half_vec),0.0);
|
|
|
|
light = light_diffuse * mdiffuse * NdotL;
|
|
if (NdotL > 0.0) {
|
|
light+=specular * light_specular * pow( eye_light, specular_exp );
|
|
}
|
|
#endif
|
|
diffuse.rgb = const_light_mult * ambient_light *diffuse.rgb + light * attenuation * shadow_attenuation;
|
|
|
|
#if defined(USE_OUTPUT_SHADOW_COLOR)
|
|
diffuse.rgb += light * shadow_color * attenuation * (1.0 - shadow_attenuation);
|
|
#endif
|
|
|
|
#ifdef USE_FOG
|
|
|
|
diffuse.rgb = mix(diffuse.rgb,fog_interp.rgb,fog_interp.a);
|
|
|
|
# if defined(LIGHT_TYPE_OMNI) || defined (LIGHT_TYPE_SPOT)
|
|
diffuse.rgb = mix(mix(vec3(0.0),diffuse.rgb,attenuation),diffuse.rgb,const_light_mult);
|
|
# endif
|
|
|
|
|
|
#endif
|
|
|
|
|
|
}
|
|
|
|
|
|
# endif
|
|
|
|
# if !defined(LIGHT_TYPE_DIRECTIONAL) && !defined(LIGHT_TYPE_OMNI) && !defined (LIGHT_TYPE_SPOT)
|
|
//none
|
|
#ifndef SHADELESS
|
|
diffuse.rgb=ambient_light *diffuse.rgb;
|
|
#endif
|
|
|
|
# endif
|
|
|
|
diffuse.rgb+=const_light_mult*emission;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef USE_VERTEX_LIGHTING
|
|
|
|
vec3 ambient = const_light_mult*ambient_light*diffuse.rgb;
|
|
# if defined(LIGHT_TYPE_OMNI) || defined (LIGHT_TYPE_SPOT)
|
|
// ambient*=diffuse_interp.a; //attenuation affects ambient too
|
|
|
|
# endif
|
|
|
|
// diffuse.rgb=(diffuse.rgb * diffuse_interp.rgb + specular * specular_interp)*shadow_attenuation + ambient;
|
|
// diffuse.rgb+=emission * const_light_mult;
|
|
diffuse.rgb=(diffuse.rgb * diffuse_interp.rgb + specular * specular_interp)*shadow_attenuation + ambient;
|
|
diffuse.rgb+=emission * const_light_mult;
|
|
|
|
#ifdef USE_FOG
|
|
|
|
diffuse.rgb = mix(diffuse.rgb,fog_interp.rgb,fog_interp.a);
|
|
|
|
# if defined(LIGHT_TYPE_OMNI) || defined (LIGHT_TYPE_SPOT)
|
|
diffuse.rgb = mix(mix(vec3(0.0),diffuse.rgb,diffuse_interp.a),diffuse.rgb,const_light_mult);
|
|
# endif
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|
|
|
|
#if defined(ENABLE_AMBIENT_OCTREE) || defined(ENABLE_AMBIENT_LIGHTMAP) || defined(ENABLE_AMBIENT_DP_SAMPLER)
|
|
#if defined(ENABLE_AMBIENT_COLOR)
|
|
ambientmap_color*=ambient_color;
|
|
#endif
|
|
diffuse.rgb+=ambientmap_color;
|
|
#endif
|
|
|
|
|
|
#ifdef USE_SHADOW_PASS
|
|
|
|
#ifdef USE_DEPTH_SHADOWS
|
|
|
|
//do nothing, depth is just written
|
|
#else
|
|
// pack depth to rgba
|
|
//highp float bias = 0.0005;
|
|
highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0;//bias;
|
|
highp vec4 comp = fract(depth * vec4(256.0 * 256.0 * 256.0, 256.0 * 256.0, 256.0, 1.0));
|
|
comp -= comp.xxyz * vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);
|
|
gl_FragColor = comp;
|
|
|
|
#endif
|
|
|
|
#else
|
|
|
|
|
|
|
|
#ifdef USE_GLOW
|
|
|
|
diffuse.a=glow;
|
|
#endif
|
|
|
|
#ifdef USE_8BIT_HDR
|
|
diffuse.rgb*=0.25;
|
|
#endif
|
|
|
|
gl_FragColor = diffuse;
|
|
#endif
|
|
}
|
|
|
|
|