mirror of
https://github.com/godotengine/godot.git
synced 2025-12-08 06:09:55 +00:00
Several changes to better run in mobile.
This commit is contained in:
Juan Linietsky
parent
492999a33b
commit
772485cdb3
24 changed files with 508 additions and 171 deletions
|
|
@ -64,44 +64,45 @@ layout(std140) uniform SceneData { //ubo:0
|
|||
highp mat4 camera_inverse_matrix;
|
||||
highp mat4 camera_matrix;
|
||||
|
||||
highp vec4 ambient_light_color;
|
||||
highp vec4 bg_color;
|
||||
mediump vec4 ambient_light_color;
|
||||
mediump vec4 bg_color;
|
||||
|
||||
vec4 fog_color_enabled;
|
||||
vec4 fog_sun_color_amount;
|
||||
mediump vec4 fog_color_enabled;
|
||||
mediump vec4 fog_sun_color_amount;
|
||||
|
||||
float ambient_energy;
|
||||
float bg_energy;
|
||||
mediump float ambient_energy;
|
||||
mediump float bg_energy;
|
||||
|
||||
float z_offset;
|
||||
float z_slope_scale;
|
||||
float shadow_dual_paraboloid_render_zfar;
|
||||
float shadow_dual_paraboloid_render_side;
|
||||
mediump float z_offset;
|
||||
mediump float z_slope_scale;
|
||||
highp float shadow_dual_paraboloid_render_zfar;
|
||||
highp float shadow_dual_paraboloid_render_side;
|
||||
|
||||
highp vec2 screen_pixel_size;
|
||||
vec2 shadow_atlas_pixel_size;
|
||||
vec2 directional_shadow_pixel_size;
|
||||
highp vec2 shadow_atlas_pixel_size;
|
||||
highp vec2 directional_shadow_pixel_size;
|
||||
|
||||
float time;
|
||||
float z_far;
|
||||
float reflection_multiplier;
|
||||
float subsurface_scatter_width;
|
||||
float ambient_occlusion_affect_light;
|
||||
highp float time;
|
||||
highp float z_far;
|
||||
mediump float reflection_multiplier;
|
||||
mediump float subsurface_scatter_width;
|
||||
mediump float ambient_occlusion_affect_light;
|
||||
|
||||
bool fog_depth_enabled;
|
||||
float fog_depth_begin;
|
||||
float fog_depth_curve;
|
||||
highp float fog_depth_begin;
|
||||
highp float fog_depth_curve;
|
||||
bool fog_transmit_enabled;
|
||||
float fog_transmit_curve;
|
||||
highp float fog_transmit_curve;
|
||||
bool fog_height_enabled;
|
||||
float fog_height_min;
|
||||
float fog_height_max;
|
||||
float fog_height_curve;
|
||||
highp float fog_height_min;
|
||||
highp float fog_height_max;
|
||||
highp float fog_height_curve;
|
||||
|
||||
};
|
||||
|
||||
uniform highp mat4 world_transform;
|
||||
|
||||
|
||||
#ifdef USE_LIGHT_DIRECTIONAL
|
||||
|
||||
layout(std140) uniform DirectionalLightData { //ubo:3
|
||||
|
|
@ -121,6 +122,90 @@ layout(std140) uniform DirectionalLightData { //ubo:3
|
|||
|
||||
#endif
|
||||
|
||||
#ifdef USE_VERTEX_LIGHTING
|
||||
//omni and spot
|
||||
|
||||
struct LightData {
|
||||
|
||||
highp vec4 light_pos_inv_radius;
|
||||
mediump vec4 light_direction_attenuation;
|
||||
mediump vec4 light_color_energy;
|
||||
mediump vec4 light_params; //cone attenuation, angle, specular, shadow enabled,
|
||||
mediump vec4 light_clamp;
|
||||
mediump vec4 shadow_color_contact;
|
||||
highp mat4 shadow_matrix;
|
||||
|
||||
};
|
||||
|
||||
|
||||
layout(std140) uniform OmniLightData { //ubo:4
|
||||
|
||||
LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
|
||||
};
|
||||
|
||||
layout(std140) uniform SpotLightData { //ubo:5
|
||||
|
||||
LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
|
||||
};
|
||||
|
||||
#ifdef USE_FORWARD_LIGHTING
|
||||
|
||||
|
||||
uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
|
||||
uniform int omni_light_count;
|
||||
|
||||
uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
|
||||
uniform int spot_light_count;
|
||||
|
||||
#endif
|
||||
|
||||
out vec4 diffuse_light_interp;
|
||||
out vec4 specular_light_interp;
|
||||
|
||||
void light_compute(vec3 N, vec3 L,vec3 V, vec3 light_color,float roughness,inout vec3 diffuse, inout vec3 specular) {
|
||||
|
||||
float dotNL = max(dot(N,L), 0.0 );
|
||||
diffuse += dotNL * light_color;
|
||||
|
||||
if (roughness > 0.0) {
|
||||
|
||||
vec3 H = normalize(V + L);
|
||||
float dotNH = max(dot(N,H), 0.0 );
|
||||
float intensity = pow( dotNH, (1.0-roughness) * 256.0);
|
||||
specular += light_color * intensity;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
void light_process_omni(int idx, vec3 vertex, vec3 eye_vec,vec3 normal, float roughness,inout vec3 diffuse, inout vec3 specular) {
|
||||
|
||||
vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz-vertex;
|
||||
float light_length = length( light_rel_vec );
|
||||
float normalized_distance = light_length*omni_lights[idx].light_pos_inv_radius.w;
|
||||
vec3 light_attenuation = vec3(pow( max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w ));
|
||||
|
||||
light_compute(normal,normalize(light_rel_vec),eye_vec,omni_lights[idx].light_color_energy.rgb * light_attenuation,roughness,diffuse,specular);
|
||||
|
||||
}
|
||||
|
||||
void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
|
||||
|
||||
vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz-vertex;
|
||||
float light_length = length( light_rel_vec );
|
||||
float normalized_distance = light_length*spot_lights[idx].light_pos_inv_radius.w;
|
||||
vec3 light_attenuation = vec3(pow( max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w ));
|
||||
vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
|
||||
float spot_cutoff=spot_lights[idx].light_params.y;
|
||||
float scos = max(dot(-normalize(light_rel_vec), spot_dir),spot_cutoff);
|
||||
float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
|
||||
light_attenuation *= 1.0 - pow( max(spot_rim,0.001), spot_lights[idx].light_params.x);
|
||||
|
||||
|
||||
light_compute(normal,normalize(light_rel_vec),eye_vec,spot_lights[idx].light_color_energy.rgb*light_attenuation,roughness,diffuse,specular);
|
||||
}
|
||||
|
||||
|
||||
#endif
|
||||
|
||||
/* Varyings */
|
||||
|
||||
|
|
@ -288,6 +373,8 @@ void main() {
|
|||
#endif
|
||||
#endif
|
||||
|
||||
float roughness=0.0;
|
||||
|
||||
//defines that make writing custom shaders easier
|
||||
#define projection_matrix local_projection
|
||||
#define world_transform world_matrix
|
||||
|
|
@ -376,6 +463,54 @@ VERTEX_SHADER_CODE
|
|||
#endif
|
||||
|
||||
position_interp=gl_Position;
|
||||
|
||||
#ifdef USE_VERTEX_LIGHTING
|
||||
|
||||
diffuse_light_interp=vec4(0.0);
|
||||
specular_light_interp=vec4(0.0);
|
||||
|
||||
#ifdef USE_FORWARD_LIGHTING
|
||||
|
||||
for(int i=0;i<omni_light_count;i++) {
|
||||
light_process_omni(omni_light_indices[i],vertex_interp,-normalize( vertex_interp ),normal_interp,roughness,diffuse_light_interp.rgb,specular_light_interp.rgb);
|
||||
}
|
||||
|
||||
for(int i=0;i<spot_light_count;i++) {
|
||||
light_process_spot(spot_light_indices[i],vertex_interp,-normalize( vertex_interp ),normal_interp,roughness,diffuse_light_interp.rgb,specular_light_interp.rgb);
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef USE_LIGHT_DIRECTIONAL
|
||||
|
||||
vec3 directional_diffuse = vec3(0.0);
|
||||
vec3 directional_specular = vec3(0.0);
|
||||
light_compute(normal_interp,-light_direction_attenuation.xyz,-normalize( vertex_interp ),normal_interp,roughness,directional_diffuse,directional_specular);
|
||||
|
||||
float diff_avg = dot(diffuse_light_interp.rgb,vec3(0.33333));
|
||||
float diff_dir_avg = dot(directional_diffuse,vec3(0.33333));
|
||||
if (diff_avg>0.0) {
|
||||
diffuse_light_interp.a=diff_dir_avg/(diff_avg+diff_dir_avg);
|
||||
} else {
|
||||
diffuse_light_interp.a=1.0;
|
||||
}
|
||||
|
||||
diffuse_light_interp.rgb+=directional_diffuse;
|
||||
|
||||
float spec_avg = dot(specular_light_interp.rgb,vec3(0.33333));
|
||||
float spec_dir_avg = dot(directional_specular,vec3(0.33333));
|
||||
if (spec_avg>0.0) {
|
||||
specular_light_interp.a=spec_dir_avg/(spec_avg+spec_dir_avg);
|
||||
} else {
|
||||
specular_light_interp.a=1.0;
|
||||
}
|
||||
|
||||
specular_light_interp.rgb+=directional_specular;
|
||||
|
||||
#endif //USE_LIGHT_DIRECTIONAL
|
||||
|
||||
|
||||
#endif // USE_VERTEX_LIGHTING
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -455,7 +590,7 @@ vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec,float p_roughness) {
|
|||
// we need to lie the derivatives (normg) and assume that DP side is always the same
|
||||
// to get proper texure filtering
|
||||
vec2 normg=norm.xy;
|
||||
if (norm.z>0) {
|
||||
if (norm.z>0.0) {
|
||||
norm.y=0.5-norm.y+0.5;
|
||||
}
|
||||
|
||||
|
|
@ -479,7 +614,7 @@ vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec,float p_roughness) {
|
|||
vec3 norm = normalize(p_vec);
|
||||
norm.xy/=1.0+abs(norm.z);
|
||||
norm.xy=norm.xy * vec2(0.5,0.25) + vec2(0.5,0.25);
|
||||
if (norm.z>0) {
|
||||
if (norm.z>0.0) {
|
||||
norm.y=0.5-norm.y+0.5;
|
||||
}
|
||||
return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
|
||||
|
|
@ -511,39 +646,39 @@ layout(std140) uniform SceneData {
|
|||
highp mat4 camera_inverse_matrix;
|
||||
highp mat4 camera_matrix;
|
||||
|
||||
highp vec4 ambient_light_color;
|
||||
highp vec4 bg_color;
|
||||
mediump vec4 ambient_light_color;
|
||||
mediump vec4 bg_color;
|
||||
|
||||
vec4 fog_color_enabled;
|
||||
vec4 fog_sun_color_amount;
|
||||
mediump vec4 fog_color_enabled;
|
||||
mediump vec4 fog_sun_color_amount;
|
||||
|
||||
float ambient_energy;
|
||||
float bg_energy;
|
||||
mediump float ambient_energy;
|
||||
mediump float bg_energy;
|
||||
|
||||
float z_offset;
|
||||
float z_slope_scale;
|
||||
float shadow_dual_paraboloid_render_zfar;
|
||||
float shadow_dual_paraboloid_render_side;
|
||||
mediump float z_offset;
|
||||
mediump float z_slope_scale;
|
||||
highp float shadow_dual_paraboloid_render_zfar;
|
||||
highp float shadow_dual_paraboloid_render_side;
|
||||
|
||||
highp vec2 screen_pixel_size;
|
||||
vec2 shadow_atlas_pixel_size;
|
||||
vec2 directional_shadow_pixel_size;
|
||||
highp vec2 shadow_atlas_pixel_size;
|
||||
highp vec2 directional_shadow_pixel_size;
|
||||
|
||||
float time;
|
||||
float z_far;
|
||||
float reflection_multiplier;
|
||||
float subsurface_scatter_width;
|
||||
float ambient_occlusion_affect_light;
|
||||
highp float time;
|
||||
highp float z_far;
|
||||
mediump float reflection_multiplier;
|
||||
mediump float subsurface_scatter_width;
|
||||
mediump float ambient_occlusion_affect_light;
|
||||
|
||||
bool fog_depth_enabled;
|
||||
float fog_depth_begin;
|
||||
float fog_depth_curve;
|
||||
highp float fog_depth_begin;
|
||||
highp float fog_depth_curve;
|
||||
bool fog_transmit_enabled;
|
||||
float fog_transmit_curve;
|
||||
highp float fog_transmit_curve;
|
||||
bool fog_height_enabled;
|
||||
float fog_height_min;
|
||||
float fog_height_max;
|
||||
float fog_height_curve;
|
||||
highp float fog_height_min;
|
||||
highp float fog_height_max;
|
||||
highp float fog_height_curve;
|
||||
};
|
||||
|
||||
//directional light data
|
||||
|
|
@ -570,6 +705,10 @@ uniform highp sampler2DShadow directional_shadow; //texunit:-4
|
|||
|
||||
#endif
|
||||
|
||||
#ifdef USE_VERTEX_LIGHTING
|
||||
in vec4 diffuse_light_interp;
|
||||
in vec4 specular_light_interp;
|
||||
#endif
|
||||
//omni and spot
|
||||
|
||||
struct LightData {
|
||||
|
|
@ -655,6 +794,8 @@ layout(location=0) out vec4 frag_color;
|
|||
in highp vec4 position_interp;
|
||||
uniform highp sampler2D depth_buffer; //texunit:-8
|
||||
|
||||
#ifdef USE_CONTACT_SHADOWS
|
||||
|
||||
float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
|
||||
|
||||
if (abs(dir.z)>0.99)
|
||||
|
|
@ -715,6 +856,8 @@ float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
|
|||
return 1.0;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
// GGX Specular
|
||||
// Source: http://www.filmicworlds.com/images/ggx-opt/optimized-ggx.hlsl
|
||||
float G1V(float dotNV, float k)
|
||||
|
|
@ -1010,13 +1153,16 @@ void light_process_omni(int idx, vec3 vertex, vec3 eye_vec,vec3 normal,vec3 bino
|
|||
|
||||
splane.xy = clamp_rect.xy+splane.xy*clamp_rect.zw;
|
||||
float shadow = sample_shadow(shadow_atlas,shadow_atlas_pixel_size,splane.xy,splane.z,clamp_rect);
|
||||
|
||||
#ifdef USE_CONTACT_SHADOWS
|
||||
|
||||
if (shadow>0.01 && omni_lights[idx].shadow_color_contact.a>0.0) {
|
||||
|
||||
float contact_shadow = contact_shadow_compute(vertex,normalize(light_rel_vec),min(light_length,omni_lights[idx].shadow_color_contact.a));
|
||||
shadow=min(shadow,contact_shadow);
|
||||
|
||||
|
||||
}
|
||||
#endif
|
||||
light_attenuation*=mix(omni_lights[idx].shadow_color_contact.rgb,vec3(1.0),shadow);
|
||||
}
|
||||
|
||||
|
|
@ -1043,13 +1189,14 @@ void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 bi
|
|||
|
||||
float shadow = sample_shadow(shadow_atlas,shadow_atlas_pixel_size,splane.xy,splane.z,spot_lights[idx].light_clamp);
|
||||
|
||||
#ifdef USE_CONTACT_SHADOWS
|
||||
if (shadow>0.01 && spot_lights[idx].shadow_color_contact.a>0.0) {
|
||||
|
||||
float contact_shadow = contact_shadow_compute(vertex,normalize(light_rel_vec),min(light_length,spot_lights[idx].shadow_color_contact.a));
|
||||
shadow=min(shadow,contact_shadow);
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
light_attenuation*=mix(spot_lights[idx].shadow_color_contact.rgb,vec3(1.0),shadow);
|
||||
}
|
||||
|
||||
|
|
@ -1097,7 +1244,7 @@ void reflection_process(int idx, vec3 vertex, vec3 normal,vec3 binormal, vec3 ta
|
|||
vec3 norm = normalize(local_ref_vec);
|
||||
norm.xy/=1.0+abs(norm.z);
|
||||
norm.xy=norm.xy * vec2(0.5,0.25) + vec2(0.5,0.25);
|
||||
if (norm.z>0) {
|
||||
if (norm.z>0.0) {
|
||||
norm.y=0.5-norm.y+0.5;
|
||||
}
|
||||
|
||||
|
|
@ -1460,9 +1607,18 @@ FRAGMENT_SHADER_CODE
|
|||
|
||||
//apply energy conservation
|
||||
|
||||
#ifdef USE_VERTEX_LIGHTING
|
||||
|
||||
vec3 specular_light = specular_light_interp.rgb;
|
||||
vec3 diffuse_light = diffuse_light_interp.rgb;
|
||||
#else
|
||||
|
||||
vec3 specular_light = vec3(0.0,0.0,0.0);
|
||||
vec3 ambient_light;
|
||||
vec3 diffuse_light = vec3(0.0,0.0,0.0);
|
||||
|
||||
#endif
|
||||
|
||||
vec3 ambient_light;
|
||||
vec3 env_reflection_light = vec3(0.0,0.0,0.0);
|
||||
|
||||
vec3 eye_vec = -normalize( vertex_interp );
|
||||
|
|
@ -1515,7 +1671,7 @@ FRAGMENT_SHADER_CODE
|
|||
specular_blob_intensity*=specular * 2.0;
|
||||
#endif
|
||||
|
||||
#ifdef USE_LIGHT_DIRECTIONAL
|
||||
#if defined(USE_LIGHT_DIRECTIONAL)
|
||||
|
||||
vec3 light_attenuation=vec3(1.0);
|
||||
|
||||
|
|
@ -1640,13 +1796,14 @@ FRAGMENT_SHADER_CODE
|
|||
}
|
||||
#endif
|
||||
|
||||
#ifdef USE_CONTACT_SHADOWS
|
||||
if (shadow>0.01 && shadow_color_contact.a>0.0) {
|
||||
|
||||
float contact_shadow = contact_shadow_compute(vertex,-light_direction_attenuation.xyz,shadow_color_contact.a);
|
||||
shadow=min(shadow,contact_shadow);
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
light_attenuation=mix(shadow_color_contact.rgb,vec3(1.0),shadow);
|
||||
|
||||
|
||||
|
|
@ -1654,7 +1811,13 @@ FRAGMENT_SHADER_CODE
|
|||
|
||||
#endif //LIGHT_DIRECTIONAL_SHADOW
|
||||
|
||||
#ifdef USE_VERTEX_LIGHTING
|
||||
diffuse_light*=mix(vec3(1.0),light_attenuation,diffuse_light_interp.a);
|
||||
specular_light*=mix(vec3(1.0),light_attenuation,specular_light_interp.a);
|
||||
|
||||
#else
|
||||
light_compute(normal,-light_direction_attenuation.xyz,eye_vec,binormal,tangent,light_color_energy.rgb*light_attenuation,albedo,light_params.z*specular_blob_intensity,roughness,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,diffuse_light,specular_light);
|
||||
#endif
|
||||
|
||||
|
||||
#endif //#USE_LIGHT_DIRECTIONAL
|
||||
|
|
@ -1664,12 +1827,11 @@ FRAGMENT_SHADER_CODE
|
|||
|
||||
#endif
|
||||
|
||||
|
||||
#ifdef USE_FORWARD_LIGHTING
|
||||
|
||||
|
||||
highp vec4 reflection_accum = vec4(0.0,0.0,0.0,0.0);
|
||||
highp vec4 ambient_accum = vec4(0.0,0.0,0.0,0.0);
|
||||
|
||||
for(int i=0;i<reflection_count;i++) {
|
||||
reflection_process(reflection_indices[i],vertex,normal,binormal,tangent,roughness,anisotropy,ambient_light,env_reflection_light,reflection_accum,ambient_accum);
|
||||
}
|
||||
|
|
@ -1684,6 +1846,13 @@ FRAGMENT_SHADER_CODE
|
|||
ambient_light+=ambient_accum.rgb/ambient_accum.a;
|
||||
}
|
||||
|
||||
|
||||
|
||||
#ifdef USE_VERTEX_LIGHTING
|
||||
|
||||
diffuse_light*=albedo;
|
||||
#else
|
||||
|
||||
for(int i=0;i<omni_light_count;i++) {
|
||||
light_process_omni(omni_light_indices[i],vertex,eye_vec,normal,binormal,tangent,albedo,roughness,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,specular_blob_intensity,diffuse_light,specular_light);
|
||||
}
|
||||
|
|
@ -1692,15 +1861,13 @@ FRAGMENT_SHADER_CODE
|
|||
light_process_spot(spot_light_indices[i],vertex,eye_vec,normal,binormal,tangent,albedo,roughness,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,specular_blob_intensity,diffuse_light,specular_light);
|
||||
}
|
||||
|
||||
|
||||
#endif //USE_VERTEX_LIGHTING
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
#ifdef RENDER_DEPTH
|
||||
//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
|
||||
#else
|
||||
|
|
@ -1713,13 +1880,11 @@ FRAGMENT_SHADER_CODE
|
|||
#endif
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
//energu conservation
|
||||
diffuse_light=mix(diffuse_light,vec3(0.0),metallic);
|
||||
ambient_light=mix(ambient_light,vec3(0.0),metallic);
|
||||
|
||||
|
||||
{
|
||||
|
||||
#if defined(DIFFUSE_TOON)
|
||||
|
|
@ -1744,7 +1909,7 @@ FRAGMENT_SHADER_CODE
|
|||
|
||||
if (fog_color_enabled.a > 0.5) {
|
||||
|
||||
float fog_amount=0;
|
||||
float fog_amount=0.0;
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue