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Merge pull request #12960 from tagcup/fix_gi_emission_energy

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Fix energy not affecting emissive texture in GI baker.
This commit is contained in:
Juan Linietsky 2017-11-16 08:41:59 -03:00 committed by GitHub
commit 5fa7cf35b2
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 18 additions and 22 deletions
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38
scene/3d/gi_probe.cpp
View file

@ -410,7 +410,7 @@ static bool planeBoxOverlap(Vector3 normal, float d, Vector3 maxbox) {
rad = fa * boxhalfsize.x + fb * boxhalfsize.z; \
if (min > rad || max < -rad) return false;
/*======================== Z-tests ========================*/
/*======================== Z-tests ========================*/
#define AXISTEST_Z12(a, b, fa, fb) \
p1 = a * v1.x - b * v1.y; \
@ -891,7 +891,7 @@ void GIProbe::_fixup_plot(int p_idx, int p_level, int p_x, int p_y, int p_z, Bak
}
}
Vector<Color> GIProbe::_get_bake_texture(Ref<Image> p_image, const Color &p_color, bool p_color_add) {
Vector<Color> GIProbe::_get_bake_texture(Ref<Image> p_image, const Color &p_color_mul, const Color &p_color_add) {
Vector<Color> ret;
@ -899,7 +899,7 @@ Vector<Color> GIProbe::_get_bake_texture(Ref<Image> p_image, const Color &p_colo
ret.resize(bake_texture_size * bake_texture_size);
for (int i = 0; i < bake_texture_size * bake_texture_size; i++) {
ret[i] = p_color;
ret[i] = p_color_add;
}
return ret;
@ -919,15 +919,9 @@ Vector<Color> GIProbe::_get_bake_texture(Ref<Image> p_image, const Color &p_colo
for (int i = 0; i < bake_texture_size * bake_texture_size; i++) {
Color c;
if (p_color_add) {
c.r = (r[i * 4 + 0] / 255.0) + p_color.r;
c.g = (r[i * 4 + 1] / 255.0) + p_color.g;
c.b = (r[i * 4 + 2] / 255.0) + p_color.b;
} else {
c.r = (r[i * 4 + 0] / 255.0) * p_color.r;
c.g = (r[i * 4 + 1] / 255.0) * p_color.g;
c.b = (r[i * 4 + 2] / 255.0) * p_color.b;
}
c.r = (r[i * 4 + 0] / 255.0) * p_color_mul.r + p_color_add.r;
c.g = (r[i * 4 + 1] / 255.0) * p_color_mul.g + p_color_add.g;
c.b = (r[i * 4 + 2] / 255.0) * p_color_mul.b + p_color_add.b;
c.a = r[i * 4 + 3] / 255.0;
@ -958,17 +952,15 @@ GIProbe::Baker::MaterialCache GIProbe::_get_material_cache(Ref<Material> p_mater
if (albedo_tex.is_valid()) {
img_albedo = albedo_tex->get_data();
mc.albedo = _get_bake_texture(img_albedo, mat->get_albedo(), Color(0, 0, 0)); // albedo texture, color is multiplicative
} else {
mc.albedo = _get_bake_texture(img_albedo, Color(1, 1, 1), mat->get_albedo()); // no albedo texture, color is additive
}
mc.albedo = _get_bake_texture(img_albedo, mat->get_albedo(), false);
Ref<ImageTexture> emission_tex = mat->get_texture(SpatialMaterial::TEXTURE_EMISSION);
Ref<Texture> emission_tex = mat->get_texture(SpatialMaterial::TEXTURE_EMISSION);
Color emission_col = mat->get_emission();
emission_col.r *= mat->get_emission_energy();
emission_col.g *= mat->get_emission_energy();
emission_col.b *= mat->get_emission_energy();
float emission_energy = mat->get_emission_energy();
Ref<Image> img_emission;
@ -977,13 +969,17 @@ GIProbe::Baker::MaterialCache GIProbe::_get_material_cache(Ref<Material> p_mater
img_emission = emission_tex->get_data();
}
mc.emission = _get_bake_texture(img_emission, emission_col, mat->get_emission_operator() == SpatialMaterial::EMISSION_OP_ADD);
if (mat->get_emission_operator() == SpatialMaterial::EMISSION_OP_ADD) {
mc.emission = _get_bake_texture(img_emission, Color(1, 1, 1) * emission_energy, emission_col * emission_energy);
} else {
mc.emission = _get_bake_texture(img_emission, emission_col * emission_energy, Color(0, 0, 0));
}
} else {
Ref<Image> empty;
mc.albedo = _get_bake_texture(empty, Color(0.7, 0.7, 0.7));
mc.emission = _get_bake_texture(empty, Color(0, 0, 0));
mc.albedo = _get_bake_texture(empty, Color(0, 0, 0), Color(1, 1, 1));
mc.emission = _get_bake_texture(empty, Color(0, 0, 0), Color(0, 0, 0));
}
p_baker->material_cache[p_material] = mc;

2
scene/3d/gi_probe.h
View file

@ -178,7 +178,7 @@ private:
int color_scan_cell_width;
int bake_texture_size;
Vector<Color> _get_bake_texture(Ref<Image> p_image, const Color &p_color, bool p_color_add = false);
Vector<Color> _get_bake_texture(Ref<Image> p_image, const Color &p_color_mul, const Color &p_color_add);
Baker::MaterialCache _get_material_cache(Ref<Material> p_material, Baker *p_baker);
void _plot_face(int p_idx, int p_level, int p_x, int p_y, int p_z, const Vector3 *p_vtx, const Vector2 *p_uv, const Baker::MaterialCache &p_material, const Rect3 &p_aabb, Baker *p_baker);
void _plot_mesh(const Transform &p_xform, Ref<Mesh> &p_mesh, Baker *p_baker, const Vector<Ref<Material> > &p_materials, const Ref<Material> &p_override_material);