diff options
Diffstat (limited to 'drivers/gles2/shaders/material.glsl')
| -rw-r--r-- | drivers/gles2/shaders/material.glsl | 1326 |
1 files changed, 0 insertions, 1326 deletions
diff --git a/drivers/gles2/shaders/material.glsl b/drivers/gles2/shaders/material.glsl deleted file mode 100644 index 704a22c5d1..0000000000 --- a/drivers/gles2/shaders/material.glsl +++ /dev/null @@ -1,1326 +0,0 @@ -[vertex] - - -#ifdef USE_GLES_OVER_GL -#define mediump -#define highp -#define roundfix( m_val ) floor( (m_val) + 0.5 ) -#else -precision mediump float; -precision mediump int; -#endif - - - -/* -from VisualServer: - -ARRAY_VERTEX=0, -ARRAY_NORMAL=1, -ARRAY_TANGENT=2, -ARRAY_COLOR=3, -ARRAY_TEX_UV=4, -ARRAY_TEX_UV2=5, -ARRAY_BONES=6, -ARRAY_WEIGHTS=7, -ARRAY_INDEX=8, -*/ - -//hack to use uv if no uv present so it works with lightmap -#ifdef ENABLE_AMBIENT_LIGHTMAP - -#ifdef USE_LIGHTMAP_ON_UV2 - -#ifndef ENABLE_UV2_INTERP -#define ENABLE_UV2_INTERP -#endif - -#else - -#ifndef ENABLE_UV_INTERP -#define ENABLE_UV_INTERP -#endif - -#endif - -#endif - - -/* INPUT ATTRIBS */ - -attribute highp vec4 vertex_attrib; // attrib:0 -attribute vec3 normal_attrib; // attrib:1 -attribute vec4 tangent_attrib; // attrib:2 -attribute vec4 color_attrib; // attrib:3 -attribute vec2 uv_attrib; // attrib:4 -attribute vec2 uv2_attrib; // attrib:5 - -uniform float normal_mult; - -#ifdef USE_SKELETON -attribute vec4 bone_indices; // attrib:6 -attribute vec4 bone_weights; // attrib:7 -uniform highp sampler2D skeleton_matrices; -uniform highp float skeltex_pixel_size; -#endif - -#ifdef USE_ATTRIBUTE_INSTANCING - -attribute highp vec4 instance_row0; // attrib:8 -attribute highp vec4 instance_row1; // attrib:9 -attribute highp vec4 instance_row2; // attrib:10 -attribute highp vec4 instance_row3; // attrib:11 - -#endif - -#ifdef USE_TEXTURE_INSTANCING - -attribute highp vec3 instance_uv; // attrib:6 -uniform highp sampler2D instance_matrices; - -#endif - -uniform highp mat4 world_transform; -uniform highp mat4 camera_inverse_transform; -uniform highp mat4 projection_transform; - -#ifdef USE_UNIFORM_INSTANCING -//shittiest form of instancing (but most compatible) -uniform highp mat4 instance_transform; -#endif - -/* Varyings */ - -varying vec3 vertex_interp; -varying vec3 normal_interp; - -#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_VAR1_INTERP) -varying vec4 var1_interp; -#endif - -#if defined(ENABLE_VAR2_INTERP) -varying vec4 var2_interp; -#endif - -#if defined(ENABLE_TANGENT_INTERP) -varying vec3 tangent_interp; -varying vec3 binormal_interp; -#endif - -#ifdef ENABLE_AMBIENT_OCTREE - -uniform highp mat4 ambient_octree_inverse_transform; -varying highp vec3 ambient_octree_coords; - -#endif - -#ifdef USE_FOG - -varying vec4 fog_interp; -uniform highp vec3 fog_params; -uniform vec3 fog_color_begin; -uniform vec3 fog_color_end; - -#endif - -#ifdef USE_VERTEX_LIGHTING - -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; - - - -#endif - -varying vec4 diffuse_interp; -varying vec3 specular_interp; -//intended for static branching -//pretty much all meaningful platforms support -//static branching - -uniform float time; -uniform float instance_id; - -uniform vec3 ambient_light; - -#if !defined(USE_DEPTH_SHADOWS) && defined(USE_SHADOW_PASS) - -varying vec4 position_interp; - -#endif - -#ifdef LIGHT_USE_SHADOW - -uniform highp mat4 shadow_matrix; -varying highp vec4 shadow_coord; -#ifdef LIGHT_USE_PSSM -uniform highp mat4 shadow_matrix2; -varying highp vec4 shadow_coord2; -#endif -#ifdef LIGHT_USE_PSSM4 -uniform highp mat4 shadow_matrix3; -varying highp vec4 shadow_coord3; -uniform highp mat4 shadow_matrix4; -varying highp vec4 shadow_coord4; -#endif - - -#endif - -#ifdef USE_SHADOW_PASS - -uniform highp float shadow_z_offset; -uniform highp float shadow_z_slope_scale; - -#endif - -#ifdef USE_DUAL_PARABOLOID -uniform highp vec2 dual_paraboloid; -varying float dp_clip; -#endif - - - -VERTEX_SHADER_GLOBALS - - - - -void main() { -#ifdef USE_UNIFORM_INSTANCING - - highp mat4 modelview = (camera_inverse_transform * (world_transform * instance_transform)); -#ifdef ENABLE_AMBIENT_OCTREE - highp mat4 ambient_octree_transform = (ambient_octree_inverse_transform * (world_transform * instance_transform)); -#endif - -#else - -#ifdef USE_ATTRIBUTE_INSTANCING - - highp mat4 minst=mat4(instance_row0,instance_row1,instance_row2,instance_row3); - highp mat4 modelview = (camera_inverse_transform * (world_transform * minst)); -#ifdef ENABLE_AMBIENT_OCTREE - highp mat4 ambient_octree_transform = (ambient_octree_inverse_transform * (world_transform * minst)); -#endif - -#else - -#ifdef USE_TEXTURE_INSTANCING - - highp vec2 ins_ofs=vec2(instance_uv.z,0.0); - - highp mat4 minst=mat4( - texture2D(instance_matrices,instance_uv.xy), - texture2D(instance_matrices,instance_uv.xy+ins_ofs), - texture2D(instance_matrices,instance_uv.xy+ins_ofs*2.0), - texture2D(instance_matrices,instance_uv.xy+ins_ofs*3.0) - ); - - /*highp mat4 minst=mat4( - vec4(1.0,0.0,0.0,0.0), - vec4(0.0,1.0,0.0,0.0), - vec4(0.0,0.0,1.0,0.0), - vec4(0.0,0.0,0.0,1.0) - );*/ - - highp mat4 modelview = (camera_inverse_transform * (world_transform * minst)); -#ifdef ENABLE_AMBIENT_OCTREE - highp mat4 ambient_octree_transform = (ambient_octree_inverse_transform * (world_transform * minst)); -#endif - -#else - highp mat4 modelview = (camera_inverse_transform * world_transform); -#ifdef ENABLE_AMBIENT_OCTREE - highp mat4 ambient_octree_transform = (ambient_octree_inverse_transform * world_transform); -#endif - -#endif - -#endif - -#endif - highp vec4 vertex_in = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0); - vec3 normal_in = normal_attrib; - normal_in*=normal_mult; -#if defined(ENABLE_TANGENT_INTERP) - vec3 tangent_in = tangent_attrib.xyz; - tangent_in*=normal_mult; - float binormalf = tangent_attrib.a; -#endif - -#ifdef USE_SKELETON - - { - //skeleton transform - 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; - 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; - 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; - 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; - - vertex_in = vertex_in * m; - normal_in = (vec4(normal_in,0.0) * m).xyz; -#if defined(ENABLE_TANGENT_INTERP) - tangent_in = (vec4(tangent_in,0.0) * m).xyz; -#endif - } - -#endif - -#ifdef ENABLE_AMBIENT_OCTREE - - ambient_octree_coords = (ambient_octree_transform * vertex_in).xyz; -#endif - - vertex_interp = (modelview * vertex_in).xyz; - normal_interp = normalize((modelview * vec4(normal_in,0.0)).xyz); - -#if defined(ENABLE_COLOR_INTERP) -#ifdef USE_COLOR_ATTRIB_SRGB_TO_LINEAR - - color_interp = vec4( - 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), - 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), - 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), - color_attrib.a - ); -#else - color_interp = color_attrib; -#endif -#endif - -#if defined(ENABLE_TANGENT_INTERP) - tangent_interp=normalize((modelview * vec4(tangent_in,0.0)).xyz); - binormal_interp = normalize( cross(normal_interp,tangent_interp) * binormalf ); -#endif - -#if defined(ENABLE_UV_INTERP) - uv_interp = uv_attrib; -#endif -#if defined(ENABLE_UV2_INTERP) - uv2_interp = uv2_attrib; -#endif - - float vertex_specular_exp = 40.0; //material_specular.a; - - - -VERTEX_SHADER_CODE - - -#ifdef USE_DUAL_PARABOLOID -//for dual paraboloid shadow mapping - highp vec3 vtx = vertex_interp; - vtx.z*=dual_paraboloid.y; //side to affect - vtx.z+=0.01; - dp_clip=vtx.z; - highp float len=length( vtx ); - vtx=normalize(vtx); - vtx.xy/=1.0+vtx.z; - vtx.z = len*dual_paraboloid.x; // it's a reciprocal(len - z_near) / (z_far - z_near); - vtx+=normalize(vtx)*0.025; - vtx.z = vtx.z * 2.0 - 1.0; // fit to clipspace - vertex_interp=vtx; - - //vertex_interp.w = z_clip; - -#endif - -#ifdef USE_SHADOW_PASS - - float z_ofs = shadow_z_offset; - z_ofs += (1.0-abs(normal_interp.z))*shadow_z_slope_scale; - vertex_interp.z-=z_ofs; -#endif - -#ifdef LIGHT_USE_SHADOW - - shadow_coord = shadow_matrix * vec4(vertex_interp,1.0); - shadow_coord.xyz/=shadow_coord.w; - -#ifdef LIGHT_USE_PSSM - shadow_coord.y*=0.5; - shadow_coord.y+=0.5; - shadow_coord2 = shadow_matrix2 * vec4(vertex_interp,1.0); - shadow_coord2.xyz/=shadow_coord2.w; - shadow_coord2.y*=0.5; -#endif -#ifdef LIGHT_USE_PSSM4 - shadow_coord.x*=0.5; - shadow_coord2.x*=0.5; - - shadow_coord3 = shadow_matrix3 * vec4(vertex_interp,1.0); - shadow_coord3.xyz/=shadow_coord3.w; - shadow_coord3.xy*=vec2(0.5); - shadow_coord3.xy+=vec2(0.5); - - shadow_coord4 = shadow_matrix4 * vec4(vertex_interp,1.0); - shadow_coord4.xyz/=shadow_coord4.w; - shadow_coord4.xy*=vec2(0.5); - shadow_coord4.x+=0.5; - -#endif - -#endif - -#ifdef USE_FOG - - fog_interp.a = pow( clamp( (length(vertex_interp)-fog_params.x)/(fog_params.y-fog_params.x), 0.0, 1.0 ), fog_params.z ); - fog_interp.rgb = mix( fog_color_begin, fog_color_end, fog_interp.a ); -#endif - -#ifndef VERTEX_SHADER_WRITE_POSITION -//vertex shader might write a position - gl_Position = projection_transform * vec4(vertex_interp,1.0); -#endif - - - -#if !defined(USE_DEPTH_SHADOWS) && defined(USE_SHADOW_PASS) - - position_interp=gl_Position; - -#endif - - -#ifdef USE_VERTEX_LIGHTING - - vec3 eye_vec = -normalize(vertex_interp); - -#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_interp; - 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_interp; - 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) - - //process_shade(normal_interp,light_dir,eye_vec,vertex_specular_exp,attenuation,diffuse_interp,specular_interp); - { - float NdotL = max(0.0,dot( normal_interp, light_dir )); - vec3 half_vec = normalize(light_dir + eye_vec); - float eye_light = max(dot(normal_interp, half_vec),0.0); - diffuse_interp.rgb=light_diffuse * NdotL * attenuation; - diffuse_interp.a=attenuation; - if (NdotL > 0.0) { - specular_interp=light_specular * pow( eye_light, vertex_specular_exp ) * attenuation; - } else { - specular_interp=vec3(0.0); - } - } - -#else - -#ifdef SHADELESS - - diffuse_interp=vec4(vec3(1.0),0.0); - specular_interp=vec3(0.0); -# else - - diffuse_interp=vec4(0.0); - specular_interp=vec3(0.0); -# endif - -#endif - - - - -#endif - - -} - - -[fragment] - - -#ifdef USE_GLES_OVER_GL -#define mediump -#define highp -#define roundfix( m_val ) floor( (m_val) + 0.5 ) -#else - -precision mediump float; -precision mediump int; - -#endif - - -//hack to use uv if no uv present so it works with lightmap -#ifdef ENABLE_AMBIENT_LIGHTMAP - -#ifdef USE_LIGHTMAP_ON_UV2 - -#ifndef ENABLE_UV2_INTERP -#define ENABLE_UV2_INTERP -#endif - -#else - -#ifndef ENABLE_UV_INTERP -#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 -} - - |