--- /dev/null
+#ifndef SHADER_scene_fxglow_H
+#define SHADER_scene_fxglow_H
+static void shader_scene_fxglow_link(void);
+static void shader_scene_fxglow_register(void);
+static struct vg_shader _shader_scene_fxglow = {
+ .name = "scene_fxglow",
+ .link = shader_scene_fxglow_link,
+ .vs =
+{
+.orig_file = "shaders/scene.vs",
+.static_src =
+"layout (location=0) in vec3 a_co;\n"
+"layout (location=1) in vec4 a_norm;\n"
+"layout (location=2) in vec2 a_uv;\n"
+"\n"
+"#line 1 1 \n"
+"const float k_motion_lerp_amount = 0.01;\n"
+"\n"
+"#line 2 0 \n"
+"\n"
+"out vec3 aMotionVec0;\n"
+"out vec3 aMotionVec1;\n"
+"\n"
+"void vs_motion_out( vec4 vproj0, vec4 vproj1 )\n"
+"{\n"
+" // This magically solves some artifacting errors!\n"
+" //\n"
+" vproj1 = vproj0*(1.0-k_motion_lerp_amount) + vproj1*k_motion_lerp_amount;\n"
+"\n"
+" aMotionVec0 = vec3( vproj0.xy, vproj0.w );\n"
+" aMotionVec1 = vec3( vproj1.xy, vproj1.w );\n"
+"}\n"
+"\n"
+"#line 6 0 \n"
+"\n"
+"uniform mat4x3 uMdl;\n"
+"uniform mat4 uPv;\n"
+"uniform mat4 uPvmPrev;\n"
+"\n"
+"out vec2 aUv;\n"
+"out vec4 aNorm;\n"
+"out vec3 aCo;\n"
+"out vec3 aWorldCo;\n"
+"\n"
+"void main()\n"
+"{\n"
+" vec3 world_pos0 = uMdl * vec4( a_co, 1.0 );\n"
+" vec4 vproj0 = uPv * vec4( world_pos0, 1.0 );\n"
+" vec4 vproj1 = uPvmPrev * vec4( a_co, 1.0 );\n"
+"\n"
+" vs_motion_out( vproj0, vproj1 );\n"
+"\n"
+" gl_Position = vproj0;\n"
+"\n"
+" aUv = a_uv;\n"
+" aNorm = vec4( mat3(uMdl) * a_norm.xyz, a_norm.w );\n"
+" aCo = a_co;\n"
+" aWorldCo = world_pos0;\n"
+"}\n"
+""},
+ .fs =
+{
+.orig_file = "shaders/scene_fxglow.fs",
+.static_src =
+"uniform sampler2D uTexMain;\n"
+"uniform vec3 uCamera;\n"
+"\n"
+"#line 1 1 \n"
+"// :D\n"
+"\n"
+"in vec2 aUv;\n"
+"in vec4 aNorm;\n"
+"in vec3 aCo;\n"
+"in vec3 aWorldCo;\n"
+"\n"
+"#line 1 1 \n"
+"layout (location = 0) out vec4 oColour;\n"
+"\n"
+"// OpenGL wiki: Recommends do not use vec3 because of drivers. hence the v4s...\n"
+"layout (std140) uniform ub_world_lighting\n"
+"{\n"
+" vec4 g_cube_min;\n"
+" vec4 g_cube_inv_range;\n"
+"\n"
+" vec4 g_water_plane;\n"
+" vec4 g_depth_bounds;\n"
+"\n"
+" vec4 g_daysky_colour;\n"
+" vec4 g_nightsky_colour;\n"
+" vec4 g_sunset_colour;\n"
+" vec4 g_ambient_colour;\n"
+" vec4 g_sunset_ambient;\n"
+" vec4 g_sun_colour;\n"
+" vec4 g_sun_dir;\n"
+" vec4 g_board_0;\n"
+" vec4 g_board_1;\n"
+"\n"
+" float g_water_fog;\n"
+" float g_time;\n"
+" float g_realtime;\n"
+" float g_shadow_length;\n"
+" float g_shadow_spread;\n"
+"\n"
+" float g_time_of_day;\n"
+" float g_day_phase;\n"
+" float g_sunset_phase;\n"
+"\n"
+" int g_light_preview;\n"
+" int g_shadow_samples;\n"
+"\n"
+" int g_debug_indices;\n"
+" int g_debug_complexity;\n"
+"};\n"
+"\n"
+"uniform sampler2D g_world_depth;\n"
+"uniform samplerBuffer uLightsArray;\n"
+"uniform usampler3D uLightsIndex;\n"
+"\n"
+"#line 1 1 \n"
+"//const vec3 DAYSKY_COLOUR = vec3( 0.37, 0.54, 0.97 );\n"
+"//const vec3 NIGHTSKY_COLOUR = vec3( 0.03, 0.05, 0.20 );\n"
+"//const vec3 SUNSET_COLOUR = vec3( 1.00, 0.32, 0.01 );\n"
+"//const vec3 AMBIENT_COLOUR = vec3( 0.13, 0.17, 0.35 );\n"
+"//const vec3 SUNSET_AMBIENT = vec3( 0.25, 0.17, 0.51 );\n"
+"//const vec3 SUN_COLOUR = vec3( 1.10, 0.89, 0.35 );\n"
+"\n"
+"const float SUN_ANGLE = 0.0001;\n"
+"const float PI = 3.14159265;\n"
+"\n"
+"//struct world_info\n"
+"//{\n"
+"// float time,\n"
+"// time_of_day,\n"
+"// day_phase,\n"
+"// sunset_phase;\n"
+"// \n"
+"// vec3 sun_dir;\n"
+"//};\n"
+"\n"
+"float luminance( vec3 v )\n"
+"{\n"
+" return dot( v, vec3(0.2126, 0.7152, 0.0722) );\n"
+"}\n"
+"\n"
+"vec3 clearskies_ambient( vec3 dir )\n"
+"{\n"
+" float sun_azimuth = g_sunset_phase * (dot( dir.xz, g_sun_dir.xz )*0.4+0.6);\n"
+" float sky_gradient = dir.y;\n"
+" \n"
+" /* Blend phase colours */\n"
+" vec3 ambient = g_daysky_colour.rgb * (g_day_phase-g_sunset_phase*0.1);\n"
+" ambient += g_sunset_colour.rgb * (1.0-dir.y*0.5)*sun_azimuth;\n"
+" ambient += g_nightsky_colour.rgb * (1.0-g_day_phase);\n"
+" \n"
+" /* Add gradient */\n"
+" ambient -= sky_gradient * luminance(ambient);\n"
+" \n"
+" return ambient;\n"
+"}\n"
+"\n"
+"vec3 clearskies_sky( vec3 ray_dir )\n"
+"{\n"
+" ray_dir.y = abs( ray_dir.y );\n"
+" vec3 sky_colour = clearskies_ambient( ray_dir );\n"
+" \n"
+" /* Sun */\n"
+" float sun_theta = dot( ray_dir, g_sun_dir.xyz );\n"
+" float sun_size = max( 0.0, sun_theta * 0.5 + 0.5 + SUN_ANGLE );\n"
+" float sun_shape = pow( sun_size, 2000.0 );\n"
+" sun_shape += sun_size * max(g_sun_dir.y,0.0) * 0.5;\n"
+" \n"
+" vec3 sun_colour = mix( vec3(1.0), g_sunset_colour.rgb, g_sunset_phase*0.5 );\n"
+" sun_colour *= sun_shape;\n"
+" \n"
+" vec3 composite = sky_colour + sun_colour;\n"
+" return composite;\n"
+"}\n"
+"\n"
+"vec3 clearskies_lighting( vec3 normal, float shadow, vec3 halfview )\n"
+"{\n"
+" float fresnel = 1.0 - abs(dot(normal,halfview));\n"
+"\n"
+" vec3 reflect_colour = mix( g_daysky_colour.rgb, g_sunset_colour.rgb, \n"
+" g_sunset_phase );\n"
+"\n"
+" vec3 sky_reflection = 0.5 * fresnel * reflect_colour;\n"
+" vec3 light_sun = max(0.0,dot(normal,g_sun_dir.xyz)*0.75+0.25) \n"
+" * g_sun_colour.rgb * g_day_phase;\n"
+"\n"
+" float scaled_shadow = max( shadow, 1.0 - max(g_sun_dir.y,0.0) );\n"
+" vec3 ambient = mix( g_ambient_colour.rgb, g_sunset_ambient.rgb, \n"
+" g_sunset_phase );\n"
+"\n"
+" return ambient + (light_sun + sky_reflection) * shadow;\n"
+"}\n"
+"\n"
+"#line 44 0 \n"
+"\n"
+"float world_depth_sample( vec3 pos )\n"
+"{\n"
+" vec2 depth_coord = (pos.xz - g_depth_bounds.xy) * g_depth_bounds.zw; \n"
+" return texture( g_world_depth, depth_coord ).r;\n"
+"}\n"
+"\n"
+"float world_water_depth( vec3 pos )\n"
+"{\n"
+" float ref_depth = g_water_plane.y*g_water_plane.w;\n"
+" return world_depth_sample( pos ) - ref_depth;\n"
+"}\n"
+"\n"
+"float shadow_sample( vec3 vdir )\n"
+"{\n"
+" vec3 sample_pos = aWorldCo + vdir;\n"
+" float height_sample = world_depth_sample( sample_pos );\n"
+"\n"
+" float fdelta = height_sample - sample_pos.y;\n"
+" return clamp( fdelta, 0.2, 0.4 )-0.2;\n"
+"}\n"
+"\n"
+"float newlight_compute_sun_shadow( vec3 dir )\n"
+"{\n"
+" if( g_shadow_samples == 0 )\n"
+" {\n"
+" return 1.0;\n"
+" }\n"
+"\n"
+" float fspread = g_shadow_spread;\n"
+" float flength = g_shadow_length;\n"
+"\n"
+" float famt = 0.0;\n"
+" famt += shadow_sample((dir+vec3(-0.56,0.55, 0.30)*fspread)*flength*0.1);\n"
+" famt += shadow_sample((dir+vec3( 0.80,0.68, 0.34)*fspread)*flength*0.2);\n"
+" famt += shadow_sample((dir+vec3( 0.78,0.07,-0.06)*fspread)*flength*0.3);\n"
+" famt += shadow_sample((dir+vec3(-0.59,0.07,-0.42)*fspread)*flength*0.4);\n"
+"\n"
+" //famt+=shadow_sample((dir+vec3(-0.790,-0.933,-0.875)*fspread)*flength*0.5);\n"
+" //famt+=shadow_sample((dir+vec3( 0.807,-0.690, 0.472)*fspread)*flength*0.6);\n"
+" //famt+=shadow_sample((dir+vec3( 0.522,-0.379, 0.350)*fspread)*flength*0.7);\n"
+" //famt+=shadow_sample((dir+vec3( 0.483, 0.201, 0.306)*fspread)*flength*0.8);\n"
+"\n"
+" return 1.0 - famt;\n"
+"}\n"
+"\n"
+"float newlight_specular( vec3 wnormal, vec3 dir, vec3 halfview, float exponent )\n"
+"{\n"
+" vec3 specdir = reflect( -dir, wnormal );\n"
+" return pow(max(dot( halfview, specdir ), 0.0), exponent);\n"
+"}\n"
+"\n"
+"vec3 scene_apply_fog( vec3 vfrag, vec3 colour, float fdist )\n"
+"{\n"
+" float dist = pow(fdist*0.0010,0.78);\n"
+" return mix( vfrag, colour, min( 1.0, dist ) );\n"
+"}\n"
+"\n"
+"vec3 rand33(vec3 p3)\n"
+"{\n"
+" p3 = fract(p3 * vec3(.1031, .1030, .0973));\n"
+" p3 += dot(p3, p3.yxz+33.33);\n"
+" return fract((p3.xxy + p3.yxx)*p3.zyx);\n"
+"}\n"
+"\n"
+"vec3 scene_calculate_light( int light_index, \n"
+" vec3 halfview, vec3 co, vec3 normal )\n"
+"{\n"
+" vec4 light_colour = texelFetch( uLightsArray, light_index+0 );\n"
+" vec4 light_co = texelFetch( uLightsArray, light_index+1 );\n"
+" vec4 light_dir = texelFetch( uLightsArray, light_index+2 );\n"
+"\n"
+" vec3 light_delta = light_co.xyz-co;\n"
+" float dist2 = dot(light_delta,light_delta);\n"
+"\n"
+" light_delta = normalize( light_delta );\n"
+"\n"
+" float quadratic = dist2*100.0;\n"
+" float attenuation = 1.0f/( 1.0f + quadratic );\n"
+" attenuation *= max( dot( light_delta, normal ), 0.0 );\n"
+"\n"
+" float falloff = max( 0.0, 1.0-(dist2*light_co.w) );\n"
+"\n"
+" if( light_dir.w < 0.999999 ){\n"
+" float spot_theta = max( 0.0, dot( light_delta, -light_dir.xyz ) );\n"
+" falloff *= max( 0.0, (spot_theta - light_dir.w) / (1.0-light_dir.w) );\n"
+" }\n"
+"\n"
+" return light_colour.rgb * attenuation * falloff \n"
+" * step( g_day_phase, light_colour.w );\n"
+"}\n"
+"\n"
+"vec3 scene_calculate_packed_light_patch( uint packed_index, \n"
+" vec3 halfview, vec3 co, vec3 normal )\n"
+"{\n"
+" uint light_count = packed_index & 0x3u;\n"
+"\n"
+" vec3 l = vec3(0.0);\n"
+"\n"
+" if( light_count >= 1u ){\n"
+" int index_0 = int( ((packed_index >> 2u) & 0x3ffu) * 3u );\n"
+" int index_1 = int( ((packed_index >> 12u) & 0x3ffu) * 3u );\n"
+" int index_2 = int( ((packed_index >> 22u) & 0x3ffu) * 3u );\n"
+"\n"
+" l += scene_calculate_light( index_0, halfview, co, normal );\n"
+"\n"
+" if( light_count >= 2u ){\n"
+" l += scene_calculate_light( index_1, halfview, co, normal );\n"
+"\n"
+" if( light_count >= 3u ){\n"
+" l += scene_calculate_light( index_2, halfview, co, normal );\n"
+" }\n"
+" }\n"
+" }\n"
+"\n"
+" return l;\n"
+"}\n"
+"\n"
+"vec3 world_compute_lighting( vec3 diffuse, vec3 normal, vec3 co,\n"
+" float light_mask )\n"
+"{\n"
+" if( g_light_preview == 1 )\n"
+" diffuse = vec3(0.75);\n"
+"\n"
+" // Lighting\n"
+" vec3 halfview = uCamera - co;\n"
+" float fdist = length(halfview);\n"
+" halfview /= fdist;\n"
+"\n"
+" float world_shadow = newlight_compute_sun_shadow( g_sun_dir.xyz \n"
+" * (1.0/(max(g_sun_dir.y,0.0)+0.2)) );\n"
+"\n"
+" vec3 total_light = clearskies_lighting( \n"
+" normal, min( light_mask, world_shadow ), halfview );\n"
+"\n"
+" vec3 cube_coord = (co - g_cube_min.xyz) * g_cube_inv_range.xyz;\n"
+" cube_coord = floor( cube_coord );\n"
+"\n"
+" if( g_debug_indices == 1 )\n"
+" {\n"
+" return rand33(cube_coord);\n"
+" }\n"
+"\n"
+" if( g_debug_complexity == 1 )\n"
+" {\n"
+" ivec3 coord = ivec3( cube_coord );\n"
+" uvec4 index_sample = texelFetch( uLightsIndex, coord, 0 );\n"
+"\n"
+" uint light_count = (index_sample.x & 0x3u) + (index_sample.y & 0x3u);\n"
+" return vec3( float(light_count)*(1.0/6.0), 0.0, 0.5 );\n"
+" }\n"
+"\n"
+" // FIXME: this coord should absolutely must be clamped!\n"
+" \n"
+" ivec3 coord = ivec3( cube_coord );\n"
+" uvec4 index_sample = texelFetch( uLightsIndex, coord, 0 );\n"
+"\n"
+" total_light += \n"
+" scene_calculate_packed_light_patch( index_sample.x,\n"
+" halfview, co, normal ) \n"
+" * light_mask;\n"
+" total_light += \n"
+" scene_calculate_packed_light_patch( index_sample.y,\n"
+" halfview, co, normal )\n"
+" * light_mask;\n"
+"\n"
+" // Take a section of the sky function to give us a matching fog colour\n"
+"\n"
+" vec3 fog_colour = clearskies_ambient( -halfview );\n"
+" float sun_theta = dot( -halfview, g_sun_dir.xyz );\n"
+" float sun_size = max( 0.0, sun_theta * 0.5 + 0.5 );\n"
+" float sun_shape = sun_size * max(g_sun_dir.y,0.0) * 0.5;\n"
+" \n"
+" vec3 sun_colour = mix( vec3(1.0), g_sunset_colour.rgb, g_sunset_phase*0.5 );\n"
+" sun_colour *= sun_shape;\n"
+"\n"
+" fog_colour += sun_colour;\n"
+" return scene_apply_fog( diffuse * total_light, fog_colour, fdist );\n"
+"}\n"
+"\n"
+"#line 9 0 \n"
+"\n"
+"float sdLine( vec3 p, vec3 a, vec3 b )\n"
+"{\n"
+" vec3 pa = p - a;\n"
+" vec3 ba = b - a;\n"
+"\n"
+" float h = clamp( dot(pa,ba)/dot(ba,ba), 0.0, 1.0 );\n"
+" return length( pa - ba*h );\n"
+"}\n"
+"\n"
+"float compute_board_shadow()\n"
+"{\n"
+" // player shadow\n"
+" float dist_to_player = max( 0.0, sdLine( aWorldCo, g_board_0.xyz,\n"
+" g_board_1.xyz )-0.1 );\n"
+" float player_shadow = max( 1.0-dist_to_player*2.7, 0.0 );\n"
+" player_shadow *= player_shadow*player_shadow*player_shadow;\n"
+"\n"
+" return 1.0 - player_shadow*0.8;\n"
+"}\n"
+"\n"
+"vec3 scene_compute_lighting( vec3 diffuse, vec3 normal, vec3 co )\n"
+"{\n"
+" return world_compute_lighting( diffuse, normal, co, compute_board_shadow() );\n"
+"}\n"
+"\n"
+"#line 5 0 \n"
+"#line 1 2 \n"
+"const float k_motion_lerp_amount = 0.01;\n"
+"\n"
+"#line 2 0 \n"
+"\n"
+"layout (location = 1) out vec2 oMotionVec;\n"
+"\n"
+"in vec3 aMotionVec0;\n"
+"in vec3 aMotionVec1;\n"
+"\n"
+"void compute_motion_vectors()\n"
+"{\n"
+" // Write motion vectors\n"
+" vec2 vmotion0 = aMotionVec0.xy / aMotionVec0.z;\n"
+" vec2 vmotion1 = aMotionVec1.xy / aMotionVec1.z;\n"
+"\n"
+" oMotionVec = (vmotion1-vmotion0) * (1.0/k_motion_lerp_amount);\n"
+"}\n"
+"\n"
+"#line 6 0 \n"
+"\n"
+"void main()\n"
+"{\n"
+" compute_motion_vectors();\n"
+"\n"
+" vec4 vsamplemain = texture( uTexMain, aUv );\n"
+"\n"
+" vec2 ssuv = gl_FragCoord.xy;\n"
+" vec3 vDither = vec3( dot( vec2( 171.0, 231.0 ), ssuv) );\n"
+" float dither = fract( vDither.g / 71.0 ) - 0.5;\n"
+"\n"
+" if( vsamplemain.a+dither<0.5 )\n"
+" discard;\n"
+"\n"
+" oColour = vec4( vsamplemain.rgb, 1.0 );\n"
+"}\n"
+""},
+};
+
+static GLuint _uniform_scene_fxglow_uMdl;
+static GLuint _uniform_scene_fxglow_uPv;
+static GLuint _uniform_scene_fxglow_uPvmPrev;
+static GLuint _uniform_scene_fxglow_uTexMain;
+static GLuint _uniform_scene_fxglow_uCamera;
+static GLuint _uniform_scene_fxglow_g_world_depth;
+static GLuint _uniform_scene_fxglow_uLightsArray;
+static GLuint _uniform_scene_fxglow_uLightsIndex;
+static void shader_scene_fxglow_uMdl(m4x3f m){
+ glUniformMatrix4x3fv(_uniform_scene_fxglow_uMdl,1,GL_FALSE,(float*)m);
+}
+static void shader_scene_fxglow_uPv(m4x4f m){
+ glUniformMatrix4fv(_uniform_scene_fxglow_uPv,1,GL_FALSE,(float*)m);
+}
+static void shader_scene_fxglow_uPvmPrev(m4x4f m){
+ glUniformMatrix4fv(_uniform_scene_fxglow_uPvmPrev,1,GL_FALSE,(float*)m);
+}
+static void shader_scene_fxglow_uTexMain(int i){
+ glUniform1i(_uniform_scene_fxglow_uTexMain,i);
+}
+static void shader_scene_fxglow_uCamera(v3f v){
+ glUniform3fv(_uniform_scene_fxglow_uCamera,1,v);
+}
+static void shader_scene_fxglow_g_world_depth(int i){
+ glUniform1i(_uniform_scene_fxglow_g_world_depth,i);
+}
+static void shader_scene_fxglow_register(void){
+ vg_shader_register( &_shader_scene_fxglow );
+}
+static void shader_scene_fxglow_use(void){ glUseProgram(_shader_scene_fxglow.id); }
+static void shader_scene_fxglow_link(void){
+ _uniform_scene_fxglow_uMdl = glGetUniformLocation( _shader_scene_fxglow.id, "uMdl" );
+ _uniform_scene_fxglow_uPv = glGetUniformLocation( _shader_scene_fxglow.id, "uPv" );
+ _uniform_scene_fxglow_uPvmPrev = glGetUniformLocation( _shader_scene_fxglow.id, "uPvmPrev" );
+ _uniform_scene_fxglow_uTexMain = glGetUniformLocation( _shader_scene_fxglow.id, "uTexMain" );
+ _uniform_scene_fxglow_uCamera = glGetUniformLocation( _shader_scene_fxglow.id, "uCamera" );
+ _uniform_scene_fxglow_g_world_depth = glGetUniformLocation( _shader_scene_fxglow.id, "g_world_depth" );
+ _uniform_scene_fxglow_uLightsArray = glGetUniformLocation( _shader_scene_fxglow.id, "uLightsArray" );
+ _uniform_scene_fxglow_uLightsIndex = glGetUniformLocation( _shader_scene_fxglow.id, "uLightsIndex" );
+}
+#endif /* SHADER_scene_fxglow_H */
projects / carveJwlIkooP6JGAAIwe30JlM.git / blobdiff