Changeset View
Changeset View
Standalone View
Standalone View
intern/cycles/kernel/svm/svm_bump.h
| Show All 12 Lines | |||||
| * See the License for the specific language governing permissions and | * See the License for the specific language governing permissions and | ||||
| * limitations under the License. | * limitations under the License. | ||||
| */ | */ | ||||
| CCL_NAMESPACE_BEGIN | CCL_NAMESPACE_BEGIN | ||||
| /* Bump Eval Nodes */ | /* Bump Eval Nodes */ | ||||
| ccl_device void svm_node_enter_bump_eval(KernelGlobals *kg, | ccl_device_noinline void svm_node_enter_bump_eval(const KernelGlobals *kg, | ||||
| ShaderData *sd, | ShaderData *sd, | ||||
| float *stack, | float *stack, | ||||
| uint offset) | uint offset) | ||||
| { | { | ||||
| /* save state */ | /* save state */ | ||||
| stack_store_float3(stack, offset + 0, sd->P); | stack_store_float3(stack, offset + 0, sd->P); | ||||
| stack_store_float3(stack, offset + 3, sd->dP.dx); | stack_store_float3(stack, offset + 3, sd->dP.dx); | ||||
| stack_store_float3(stack, offset + 6, sd->dP.dy); | stack_store_float3(stack, offset + 6, sd->dP.dy); | ||||
| /* set state as if undisplaced */ | /* set state as if undisplaced */ | ||||
| const AttributeDescriptor desc = find_attribute(kg, sd, ATTR_STD_POSITION_UNDISPLACED); | const AttributeDescriptor desc = find_attribute(kg, sd, ATTR_STD_POSITION_UNDISPLACED); | ||||
| if (desc.offset != ATTR_STD_NOT_FOUND) { | if (desc.offset != ATTR_STD_NOT_FOUND) { | ||||
| float3 P, dPdx, dPdy; | float3 P, dPdx, dPdy; | ||||
| P = primitive_surface_attribute_float3(kg, sd, desc, &dPdx, &dPdy); | P = primitive_surface_attribute_float3(kg, sd, desc, &dPdx, &dPdy); | ||||
| object_position_transform(kg, sd, &P); | object_position_transform(kg, sd, &P); | ||||
| object_dir_transform(kg, sd, &dPdx); | object_dir_transform(kg, sd, &dPdx); | ||||
| object_dir_transform(kg, sd, &dPdy); | object_dir_transform(kg, sd, &dPdy); | ||||
| sd->P = P; | sd->P = P; | ||||
| sd->dP.dx = dPdx; | sd->dP.dx = dPdx; | ||||
| sd->dP.dy = dPdy; | sd->dP.dy = dPdy; | ||||
| } | } | ||||
| } | } | ||||
| ccl_device void svm_node_leave_bump_eval(KernelGlobals *kg, | ccl_device_noinline void svm_node_leave_bump_eval(const KernelGlobals *kg, | ||||
| ShaderData *sd, | ShaderData *sd, | ||||
| float *stack, | float *stack, | ||||
| uint offset) | uint offset) | ||||
| { | { | ||||
| /* restore state */ | /* restore state */ | ||||
| sd->P = stack_load_float3(stack, offset + 0); | sd->P = stack_load_float3(stack, offset + 0); | ||||
| sd->dP.dx = stack_load_float3(stack, offset + 3); | sd->dP.dx = stack_load_float3(stack, offset + 3); | ||||
| sd->dP.dy = stack_load_float3(stack, offset + 6); | sd->dP.dy = stack_load_float3(stack, offset + 6); | ||||
| } | } | ||||
| CCL_NAMESPACE_END | CCL_NAMESPACE_END | ||||