diff options
Diffstat (limited to 'drivers/gles2/shaders/scene.glsl')
| -rw-r--r-- | drivers/gles2/shaders/scene.glsl | 54 |
1 files changed, 41 insertions, 13 deletions
diff --git a/drivers/gles2/shaders/scene.glsl b/drivers/gles2/shaders/scene.glsl index 0fa290e57c..2aef913ae8 100644 --- a/drivers/gles2/shaders/scene.glsl +++ b/drivers/gles2/shaders/scene.glsl @@ -1151,7 +1151,8 @@ void light_compute( float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, - inout vec3 specular_light) { + inout vec3 specular_light, + inout float alpha) { //this makes lights behave closer to linear, but then addition of lights looks bad //better left disabled @@ -1306,10 +1307,10 @@ LIGHT_SHADER_CODE // shlick+ggx as default #if defined(LIGHT_USE_ANISOTROPY) - float alpha = roughness * roughness; + float alpha_ggx = roughness * roughness; float aspect = sqrt(1.0 - anisotropy * 0.9); - float ax = alpha / aspect; - float ay = alpha * aspect; + float ax = alpha_ggx / aspect; + float ay = alpha_ggx * aspect; float XdotH = dot(T, H); float YdotH = dot(B, H); float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH); @@ -1317,10 +1318,10 @@ LIGHT_SHADER_CODE float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL); #else - float alpha = roughness * roughness; - float D = D_GGX(cNdotH, alpha); - //float G = G_GGX_2cos(cNdotL, alpha) * G_GGX_2cos(cNdotV, alpha); - float G = V_GGX(cNdotL, cNdotV, alpha); + float alpha_ggx = roughness * roughness; + float D = D_GGX(cNdotH, alpha_ggx); + //float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx); + float G = V_GGX(cNdotL, cNdotV, alpha_ggx); #endif // F vec3 f0 = F0(metallic, specular, diffuse_color); @@ -1350,6 +1351,10 @@ LIGHT_SHADER_CODE #endif } +#ifdef USE_SHADOW_TO_OPACITY + alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0)); +#endif + #endif //defined(USE_LIGHT_SHADER_CODE) } @@ -1535,17 +1540,21 @@ FRAGMENT_SHADER_CODE vec3 eye_position = view; +#if !defined(USE_SHADOW_TO_OPACITY) + #if defined(ALPHA_SCISSOR_USED) if (alpha < alpha_scissor) { discard; } -#endif +#endif // ALPHA_SCISSOR_USED #ifdef USE_DEPTH_PREPASS if (alpha < 0.99) { discard; } -#endif +#endif // USE_DEPTH_PREPASS + +#endif // !USE_SHADOW_TO_OPACITY #ifdef BASE_PASS //none @@ -2061,13 +2070,32 @@ FRAGMENT_SHADER_CODE clearcoat_gloss, anisotropy, diffuse_light, - specular_light); + specular_light, + alpha); #endif //vertex lighting #endif //USE_LIGHTING //compute and merge +#ifdef USE_SHADOW_TO_OPACITY + + alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0)); + +#if defined(ALPHA_SCISSOR_USED) + if (alpha < alpha_scissor) { + discard; + } +#endif // ALPHA_SCISSOR_USED + +#ifdef USE_DEPTH_PREPASS + if (alpha < 0.99) { + discard; + } +#endif // USE_DEPTH_PREPASS + +#endif // !USE_SHADOW_TO_OPACITY + #ifndef RENDER_DEPTH #ifdef SHADELESS @@ -2105,8 +2133,6 @@ FRAGMENT_SHADER_CODE #endif // gl_FragColor = vec4(normal, 1.0); -#endif //unshaded - //apply fog #if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED) @@ -2161,6 +2187,8 @@ FRAGMENT_SHADER_CODE #endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED) +#endif //unshaded + #else // not RENDER_DEPTH //depth render #ifdef USE_RGBA_SHADOWS |