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Diffstat (limited to 'drivers/gles3/shaders/scene.glsl')
-rw-r--r--drivers/gles3/shaders/scene.glsl91
1 files changed, 43 insertions, 48 deletions
diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl
index 91ab34f775..407e7ec591 100644
--- a/drivers/gles3/shaders/scene.glsl
+++ b/drivers/gles3/shaders/scene.glsl
@@ -42,8 +42,6 @@ layout(location = 4) in vec2 uv_attrib;
layout(location = 5) in vec2 uv2_attrib;
#endif
-uniform float normal_mult;
-
#ifdef USE_SKELETON
layout(location = 6) in uvec4 bone_indices; // attrib:6
layout(location = 7) in vec4 bone_weights; // attrib:7
@@ -98,6 +96,8 @@ layout(std140) uniform SceneData { // ubo:0
bool fog_depth_enabled;
highp float fog_depth_begin;
+ highp float fog_depth_end;
+ mediump float fog_density;
highp float fog_depth_curve;
bool fog_transmit_enabled;
highp float fog_transmit_curve;
@@ -278,11 +278,10 @@ void main() {
}
#endif
- vec3 normal = normal_attrib * normal_mult;
+ vec3 normal = normal_attrib;
#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
vec3 tangent = tangent_attrib.xyz;
- tangent *= normal_mult;
float binormalf = tangent_attrib.a;
#endif
@@ -675,6 +674,8 @@ layout(std140) uniform SceneData {
bool fog_depth_enabled;
highp float fog_depth_begin;
+ highp float fog_depth_end;
+ mediump float fog_density;
highp float fog_depth_curve;
bool fog_transmit_enabled;
highp float fog_transmit_curve;
@@ -949,6 +950,18 @@ LIGHT_SHADER_CODE
float NdotV = dot(N, V);
float cNdotV = max(NdotV, 0.0);
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+ vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+ float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+ float cLdotH = max(dot(L, H), 0.0);
+#endif
+
if (metallic < 1.0) {
#if defined(DIFFUSE_OREN_NAYAR)
vec3 diffuse_brdf_NL;
@@ -983,13 +996,9 @@ LIGHT_SHADER_CODE
#elif defined(DIFFUSE_BURLEY)
{
-
- vec3 H = normalize(V + L);
- float cLdotH = max(0.0, dot(L, H));
-
- float FD90 = 0.5 + 2.0 * cLdotH * cLdotH * roughness;
- float FdV = 1.0 + (FD90 - 1.0) * SchlickFresnel(cNdotV);
- float FdL = 1.0 + (FD90 - 1.0) * SchlickFresnel(cNdotL);
+ float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+ float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+ float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
/*
float energyBias = mix(roughness, 0.0, 0.5);
@@ -1026,13 +1035,9 @@ LIGHT_SHADER_CODE
#if defined(SPECULAR_BLINN)
//normalized blinn
- vec3 H = normalize(V + L);
- float cNdotH = max(dot(N, H), 0.0);
- float cVdotH = max(dot(V, H), 0.0);
- float cLdotH = max(dot(L, H), 0.0);
float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
float blinn = pow(cNdotH, shininess);
- blinn *= (shininess + 8.0) / (8.0 * 3.141592654);
+ blinn *= (shininess + 8.0) * (1.0 / (8.0 * M_PI));
float intensity = (blinn) / max(4.0 * cNdotV * cNdotL, 0.75);
specular_light += light_color * intensity * specular_blob_intensity * attenuation;
@@ -1043,7 +1048,7 @@ LIGHT_SHADER_CODE
float cRdotV = max(0.0, dot(R, V));
float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
float phong = pow(cRdotV, shininess);
- phong *= (shininess + 8.0) / (8.0 * 3.141592654);
+ phong *= (shininess + 8.0) * (1.0 / (8.0 * M_PI));
float intensity = (phong) / max(4.0 * cNdotV * cNdotL, 0.75);
specular_light += light_color * intensity * specular_blob_intensity * attenuation;
@@ -1063,11 +1068,6 @@ LIGHT_SHADER_CODE
#elif defined(SPECULAR_SCHLICK_GGX)
// shlick+ggx as default
- vec3 H = normalize(V + L);
-
- float cNdotH = max(dot(N, H), 0.0);
- float cLdotH = max(dot(L, H), 0.0);
-
#if defined(LIGHT_USE_ANISOTROPY)
float alpha = roughness * roughness;
@@ -1095,23 +1095,17 @@ LIGHT_SHADER_CODE
#endif
#if defined(LIGHT_USE_CLEARCOAT)
- if (clearcoat_gloss > 0.0) {
-#if !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN)
- vec3 H = normalize(V + L);
-#endif
+
#if !defined(SPECULAR_SCHLICK_GGX)
- float cNdotH = max(dot(N, H), 0.0);
- float cLdotH = max(dot(L, H), 0.0);
- float cLdotH5 = SchlickFresnel(cLdotH);
+ float cLdotH5 = SchlickFresnel(cLdotH);
#endif
- float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
- float Fr = mix(.04, 1.0, cLdotH5);
- float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+ float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+ float Fr = mix(.04, 1.0, cLdotH5);
+ float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
- float specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+ float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
- specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
- }
+ specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
#endif
}
@@ -1510,7 +1504,7 @@ void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, ve
//irradiance
- vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI)), max_distance, p_bias);
+ vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
irr_light *= multiplier;
//irr_light=vec3(0.0);
@@ -1591,24 +1585,24 @@ void main() {
float alpha = 1.0;
-#if defined(DO_SIDE_CHECK)
- float side = gl_FrontFacing ? 1.0 : -1.0;
-#else
- float side = 1.0;
-#endif
-
#if defined(ALPHA_SCISSOR_USED)
float alpha_scissor = 0.5;
#endif
#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
- vec3 binormal = normalize(binormal_interp) * side;
- vec3 tangent = normalize(tangent_interp) * side;
+ vec3 binormal = normalize(binormal_interp);
+ vec3 tangent = normalize(tangent_interp);
#else
vec3 binormal = vec3(0.0);
vec3 tangent = vec3(0.0);
#endif
- vec3 normal = normalize(normal_interp) * side;
+ vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+ if (!gl_FrontFacing) {
+ normal = -normal;
+ }
+#endif
#if defined(ENABLE_UV_INTERP)
vec2 uv = uv_interp;
@@ -1664,7 +1658,7 @@ FRAGMENT_SHADER_CODE
normalmap.xy = normalmap.xy * 2.0 - 1.0;
normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
- normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+ normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
#endif
@@ -2033,10 +2027,11 @@ FRAGMENT_SHADER_CODE
//apply fog
if (fog_depth_enabled) {
+ float fog_far = fog_depth_end > 0 ? fog_depth_end : z_far;
- float fog_z = smoothstep(fog_depth_begin, z_far, length(vertex));
+ float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
- fog_amount = pow(fog_z, fog_depth_curve);
+ fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
if (fog_transmit_enabled) {
vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
float transmit = pow(fog_z, fog_transmit_curve);
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-27 15:38:13 +0000