diff options
Diffstat (limited to 'intern/cycles/kernel/svm/svm_hsv.h')
| -rw-r--r-- | intern/cycles/kernel/svm/svm_hsv.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/intern/cycles/kernel/svm/svm_hsv.h b/intern/cycles/kernel/svm/svm_hsv.h index 11dfc4f096b..eeb4ba25e91 100644 --- a/intern/cycles/kernel/svm/svm_hsv.h +++ b/intern/cycles/kernel/svm/svm_hsv.h @@ -11,7 +11,7 @@ * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and - * limitations under the License + * limitations under the License. */ #ifndef __SVM_HSV_H__ @@ -46,6 +46,11 @@ ccl_device void svm_node_hsv(KernelGlobals *kg, ShaderData *sd, float *stack, ui color.y = fac*color.y + (1.0f - fac)*in_color.y; color.z = fac*color.z + (1.0f - fac)*in_color.z; + /* Clamp color to prevent negative values cauzed by oversaturation. */ + color.x = max(color.x, 0.0f); + color.y = max(color.y, 0.0f); + color.z = max(color.z, 0.0f); + if (stack_valid(out_color_offset)) stack_store_float3(stack, out_color_offset, color); } |