e84b377eae
* Remove unused linear patch normals * Renaming for consistency and clarity * Shuffle order of function definitions Pull Request: https://projects.blender.org/blender/blender/pulls/135681
48 lines
922 B
C++
48 lines
922 B
C++
/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0 */
|
|
|
|
#pragma once
|
|
|
|
#include "util/boundbox.h"
|
|
#include "util/types.h"
|
|
|
|
CCL_NAMESPACE_BEGIN
|
|
|
|
class Patch {
|
|
public:
|
|
Patch() = default;
|
|
virtual ~Patch() = default;
|
|
|
|
virtual void eval(
|
|
float3 *P, float3 *dPdu, float3 *dPdv, float3 *N, const float u, float v) const = 0;
|
|
|
|
int patch_index = 0;
|
|
int shader = 0;
|
|
bool from_ngon = false;
|
|
};
|
|
|
|
/* Linear Quad Patch */
|
|
|
|
class LinearQuadPatch final : public Patch {
|
|
public:
|
|
float3 hull[4];
|
|
|
|
void eval(
|
|
float3 *P, float3 *dPdu, float3 *dPdv, float3 *N, const float u, float v) const override;
|
|
BoundBox bound();
|
|
};
|
|
|
|
/* Bicubic Patch */
|
|
|
|
class BicubicPatch final : public Patch {
|
|
public:
|
|
float3 hull[16];
|
|
|
|
void eval(
|
|
float3 *P, float3 *dPdu, float3 *dPdv, float3 *N, const float u, float v) const override;
|
|
BoundBox bound();
|
|
};
|
|
|
|
CCL_NAMESPACE_END
|