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Merge pull request #86000 from jsjtxietian/add-missing-model_normal_matrix

Add `model_normal_matrix` for fragment shader
This commit is contained in:
Rémi Verschelde
2024-08-20 10:01:36 +02:00
3 changed files with 24 additions and 0 deletions

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@@ -1030,6 +1030,13 @@ void fragment_shader(in SceneData scene_data) {
vec3 light_vertex = vertex;
#endif //LIGHT_VERTEX_USED
mat3 model_normal_matrix;
if (bool(instances.data[instance_index].flags & INSTANCE_FLAGS_NON_UNIFORM_SCALE)) {
model_normal_matrix = transpose(inverse(mat3(read_model_matrix)));
} else {
model_normal_matrix = mat3(read_model_matrix);
}
mat4 read_view_matrix = scene_data.view_matrix;
vec2 read_viewport_size = scene_data.viewport_size;
{