diff options
Diffstat (limited to 'intern/cycles/kernel/svm/svm_attribute.h')
| -rw-r--r-- | intern/cycles/kernel/svm/svm_attribute.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/intern/cycles/kernel/svm/svm_attribute.h b/intern/cycles/kernel/svm/svm_attribute.h index f598bfb8f8f..62740824ad1 100644 --- a/intern/cycles/kernel/svm/svm_attribute.h +++ b/intern/cycles/kernel/svm/svm_attribute.h @@ -72,6 +72,22 @@ ccl_device void svm_node_attr(KernelGlobals *kg, ShaderData *sd, float *stack, u } #endif + if (node.y == ATTR_STD_GENERATED && desc.element == ATTR_ELEMENT_NONE) { + /* No generated attribute, fall back to object coordinates. */ + float3 f = sd->P; + object_inverse_position_transform(kg, sd, &f); + if (type == NODE_ATTR_OUTPUT_FLOAT) { + stack_store_float(stack, out_offset, average(f)); + } + else if (type == NODE_ATTR_OUTPUT_FLOAT3) { + stack_store_float3(stack, out_offset, f); + } + else { + stack_store_float(stack, out_offset, 1.0f); + } + return; + } + /* Surface. */ if (desc.type == NODE_ATTR_FLOAT) { float f = primitive_surface_attribute_float(kg, sd, desc, NULL, NULL); @@ -145,6 +161,22 @@ ccl_device void svm_node_attr_bump_dx(KernelGlobals *kg, ShaderData *sd, float * } #endif + if (node.y == ATTR_STD_GENERATED && desc.element == ATTR_ELEMENT_NONE) { + /* No generated attribute, fall back to object coordinates. */ + float3 f = sd->P + sd->dP.dx; + object_inverse_position_transform(kg, sd, &f); + if (type == NODE_ATTR_OUTPUT_FLOAT) { + stack_store_float(stack, out_offset, average(f)); + } + else if (type == NODE_ATTR_OUTPUT_FLOAT3) { + stack_store_float3(stack, out_offset, f); + } + else { + stack_store_float(stack, out_offset, 1.0f); + } + return; + } + /* Surface */ if (desc.type == NODE_ATTR_FLOAT) { float dx; @@ -222,6 +254,22 @@ ccl_device void svm_node_attr_bump_dy(KernelGlobals *kg, ShaderData *sd, float * } #endif + if (node.y == ATTR_STD_GENERATED && desc.element == ATTR_ELEMENT_NONE) { + /* No generated attribute, fall back to object coordinates. */ + float3 f = sd->P + sd->dP.dy; + object_inverse_position_transform(kg, sd, &f); + if (type == NODE_ATTR_OUTPUT_FLOAT) { + stack_store_float(stack, out_offset, average(f)); + } + else if (type == NODE_ATTR_OUTPUT_FLOAT3) { + stack_store_float3(stack, out_offset, f); + } + else { + stack_store_float(stack, out_offset, 1.0f); + } + return; + } + /* Surface */ if (desc.type == NODE_ATTR_FLOAT) { float dy; |