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Add render mode to ensure correct normals when using non-uniform scaling

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This commit is contained in:
JFonS 2018-06-21 00:12:12 +02:00
parent 0a1c1c660f
commit c8cf71753c
5 changed files with 21 additions and 1 deletions
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12
drivers/gles3/shaders/scene.glsl
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@ -322,7 +322,13 @@ void main() {
#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
vertex = world_matrix * vertex;
#if defined(ENSURE_CORRECT_NORMALS)
mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
normal = normal_matrix * normal;
#else
normal = normalize((world_matrix * vec4(normal,0.0)).xyz);
#endif
#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
@ -394,7 +400,13 @@ VERTEX_SHADER_CODE
#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
vertex = modelview * vertex;
#if defined(ENSURE_CORRECT_NORMALS)
mat3 normal_matrix = mat3(transpose(inverse(modelview)));
normal = normal_matrix * normal;
#else
normal = normalize((modelview * vec4(normal,0.0)).xyz);
#endif
#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)