Page MenuHome
Differential D3505 Diff 11531 intern/opensubdiv/internal/opensubdiv_evaluator_internal.cc

Changeset View

Standalone View

View Options

intern/opensubdiv/internal/opensubdiv_evaluator_internal.cc

Show First 20 Lines • Show All 452 Lines • ▼ Show 20 Lines if (dPdu != NULL || dPdv != NULL) {
memcpy(dPdu, refined_derivatives, sizeof(float) * 3); memcpy(dPdu, refined_derivatives, sizeof(float) * 3);
} }
if (dPdv != NULL) { if (dPdv != NULL) {
memcpy(dPdv, refined_derivatives + 3, sizeof(float) * 3); memcpy(dPdv, refined_derivatives + 3, sizeof(float) * 3);
} }
} }
} }
void evalPatchesWithDerivatives2(const PatchCoord& patch_coord,
float P[3],
float dPdu[3],
float dPdv[3],
float dPduu[3],
float dPduv[3],
float dPdvv[3])
{
StackAllocatedBuffer<6, 1> vertex_data;
StackAllocatedBuffer<6, 1> derivatives;
StackAllocatedBuffer<6, 1> derivatives1;
StackAllocatedBuffer<6, 1> derivatives2;
BufferDescriptor vertex_desc(0, 3, 6),
du_desc(0, 3, 6),
dv_desc(3, 3, 6),
duu_desc(0, 3, 6),
duv_desc(3, 3, 6),
dvv_desc(0, 3, 6);
SinglePatchCoordBuffer patch_coord_buffer(patch_coord);
const EVALUATOR *eval_instance =
OpenSubdiv::Osd::GetEvaluator<EVALUATOR>(evaluator_cache_,
src_desc_,
vertex_desc,
du_desc,
dv_desc,
duu_desc,
duv_desc,
dvv_desc,
device_context_);
EVALUATOR::EvalPatches(src_data_, src_desc_,
&vertex_data, vertex_desc,
&derivatives, du_desc,
&derivatives, dv_desc,
&derivatives1, duu_desc,
&derivatives1, duv_desc,
&derivatives2, dvv_desc,
patch_coord_buffer.GetNumVertices(),
&patch_coord_buffer,
patch_table_, eval_instance, device_context_);
float *refined_verts = vertex_data.BindCpuBuffer();
memcpy(P, refined_verts, sizeof(float) * 3);
if (dPdu != NULL || dPdv != NULL || dPduu != NULL || dPduv != NULL || dPdvv != NULL) {
float *refined_drivatives = derivatives.BindCpuBuffer();
float *refined_drivatives1 = derivatives1.BindCpuBuffer();
float *refined_drivatives2 = derivatives2.BindCpuBuffer();
if (dPdu) {
memcpy(dPdu, refined_drivatives, sizeof(float) * 3);
}
if (dPdv) {
memcpy(dPdv, refined_drivatives + 3, sizeof(float) * 3);
}
if (dPduu) {
memcpy(dPduu, refined_drivatives1, sizeof(float) * 3);
}
if (dPduv) {
memcpy(dPduv, refined_drivatives1 + 3, sizeof(float) * 3);
}
if (dPdvv) {
memcpy(dPdvv, refined_drivatives2, sizeof(float) * 3);
}
}
}
void evalPatchVarying(const PatchCoord& patch_coord, float varying[3]) { void evalPatchVarying(const PatchCoord& patch_coord, float varying[3]) {
StackAllocatedBuffer<6, 1> varying_data; StackAllocatedBuffer<6, 1> varying_data;
BufferDescriptor varying_desc(3, 3, 6); BufferDescriptor varying_desc(3, 3, 6);
SinglePatchCoordBuffer patch_coord_buffer(patch_coord); SinglePatchCoordBuffer patch_coord_buffer(patch_coord);
const EVALUATOR* eval_instance = const EVALUATOR* eval_instance =
OpenSubdiv::Osd::GetEvaluator<EVALUATOR>(evaluator_cache_, OpenSubdiv::Osd::GetEvaluator<EVALUATOR>(evaluator_cache_,
src_varying_desc_, src_varying_desc_,
varying_desc, varying_desc,
▲ Show 20 Lines • Show All 177 Lines • ▼ Show 20 Lines const PatchTable::PatchHandle* handle =
patch_map_->FindPatch(ptex_face_index, face_u, face_v); patch_map_->FindPatch(ptex_face_index, face_u, face_v);
PatchCoord patch_coord(*handle, face_u, face_v); PatchCoord patch_coord(*handle, face_u, face_v);
if (dPdu != NULL || dPdv != NULL) { if (dPdu != NULL || dPdv != NULL) {
implementation_->evalPatchesWithDerivatives(patch_coord, P, dPdu, dPdv); implementation_->evalPatchesWithDerivatives(patch_coord, P, dPdu, dPdv);
} else { } else {
implementation_->evalPatchCoord(patch_coord, P); implementation_->evalPatchCoord(patch_coord, P);
}} }}
void CpuEvalOutputAPI::evaluateLimit2(const int ptex_face_index,
float face_u, float face_v,
float P[3],
float dPdu[3],
float dPdv[3],
float dPduu[3],
float dPduv[3],
float dPdvv[3]) {
assert(face_u >= 0.0f);
assert(face_u <= 1.0f);
assert(face_v >= 0.0f);
assert(face_v <= 1.0f);
const PatchTable::PatchHandle* handle =
patch_map_->FindPatch(ptex_face_index, face_u, face_v);
PatchCoord patch_coord(*handle, face_u, face_v);
if (dPdu != NULL || dPdv != NULL || dPduu != NULL || dPduv != NULL || dPdvv != NULL ) {
implementation_->evalPatchesWithDerivatives2(patch_coord,
P,
dPdu,
dPdv,
dPduu,
dPduv,
dPdvv);
} else {
implementation_->evalPatchCoord(patch_coord, P);
}}
void CpuEvalOutputAPI::evaluateVarying(const int ptex_face_index, void CpuEvalOutputAPI::evaluateVarying(const int ptex_face_index,
float face_u, float face_v, float face_u, float face_v,
float varying[3]) { float varying[3]) {
assert(face_u >= 0.0f); assert(face_u >= 0.0f);
assert(face_u <= 1.0f); assert(face_u <= 1.0f);
assert(face_v >= 0.0f); assert(face_v >= 0.0f);
assert(face_v <= 1.0f); assert(face_v <= 1.0f);
const PatchTable::PatchHandle* handle = const PatchTable::PatchHandle* handle =
▲ Show 20 Lines • Show All 174 Lines • Show Last 20 Lines