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Merge pull request #15594 from AndreaCatania/p4

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Fixed graphic artifact caused by anisotropic filter
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Rémi Verschelde 2018-01-11 15:29:18 +01:00 committed by GitHub
commit ec7a8e7d63
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
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4
drivers/gles3/shaders/scene.glsl
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@ -904,7 +904,7 @@ float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, fl
float sin2 = (1.0-cos2);
float s_x = alpha_x * cos_phi;
float s_y = alpha_y * sin_phi;
return 1.0 / (cos_theta_m + sqrt(cos2 + (s_x*s_x + s_y*s_y)*sin2 ));
return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x*s_x + s_y*s_y)*sin2 ), 0.001);
}
float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
@ -913,7 +913,7 @@ float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float c
float r_x = cos_phi/alpha_x;
float r_y = sin_phi/alpha_y;
float d = cos2 + sin2*(r_x * r_x + r_y * r_y);
return 1.0 / (M_PI * alpha_x * alpha_y * d * d );
return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
}