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//
// Copyright 2015 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
// names, trademarks, service marks, or product names of the Licensor
// and its affiliates, except as required to comply with Section 4(c) of
// the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//
#pragma once
#import <Foundation/Foundation.h>
#import <Metal/Metal.h>
typedef enum {
kEndCapBilinearBasis = 0,
kEndCapBSplineBasis,
kEndCapGregoryBasis,
kEndCapLegacyGregory,
} EndCap;
typedef enum {
kFVarLinearNone = 0,
kFVarLinearCornersOnly,
kFVarLinearCornersPlus1,
kFVarLinearCornersPlus2,
kFVarLinearBoundaries,
kFVarLinearAll
} FVarLinearInterp;
typedef enum {
kCPU = 0,
kMetal,
} KernelType;
typedef enum {
kDisplayStyleWire = 0,
kDisplayStyleShaded,
kDisplayStyleWireOnShaded,
} DisplayStyle;
typedef enum {
kShadingMaterial = 0,
kShadingFaceVaryingColor,
kShadingPatchType,
kShadingPatchDepth,
kShadingPatchCoord,
kShadingNormal,
} ShadingMode;
typedef struct {
float rotationX;
float rotationY;
float dollyDistance;
float aspectRatio;
} Camera;
@class OSDRenderer;
@protocol OSDRendererDelegate <NSObject>
-(id<MTLDevice>)deviceFor:(OSDRenderer*)renderer;
-(id<MTLCommandQueue>)commandQueueFor:(OSDRenderer*)renderer;
-(MTLRenderPassDescriptor*)renderPassDescriptorFor:(OSDRenderer*)renderer;
-(void)setupDepthStencilState:(MTLDepthStencilDescriptor*)descriptor for:(OSDRenderer*)renderer;
-(void)setupRenderPipelineState:(MTLRenderPipelineDescriptor*)descriptor for:(OSDRenderer*)renderer;
@end
@interface OSDRenderer : NSObject
-(instancetype)initWithDelegate:(id<OSDRendererDelegate>)delegate;
-(id<MTLRenderCommandEncoder>)drawFrame:(id<MTLCommandBuffer>)commandBuffer;
-(void)fitFrame;
@property (readonly, nonatomic) id<OSDRendererDelegate> delegate;
@property (nonatomic) unsigned refinementLevel;
@property (nonatomic) int tessellationLevel;
@property (readonly, nonatomic) NSArray<NSString*>* loadedModels;
@property (nonatomic) NSString* currentModel;
@property (readonly, nonatomic) Camera* camera;
@property (readonly, nonatomic) int* patchCounts;
@property (nonatomic) bool useFractionalTessellation;
@property (nonatomic) bool useScreenspaceTessellation;
@property (nonatomic) bool usePatchIndexBuffer;
@property (nonatomic) bool usePatchBackfaceCulling;
@property (nonatomic) bool usePatchClipCulling;
@property (nonatomic) bool useSmoothCornerPatch;
@property (nonatomic) bool useSingleCreasePatch;
@property (nonatomic) bool useInfinitelySharpPatch;
@property (nonatomic) bool useStageIn;
@property (nonatomic) bool usePrimitiveBackfaceCulling;
@property (nonatomic) bool useAdaptive;
@property (nonatomic) bool yup;
@property (nonatomic) bool freeze;
@property (nonatomic) bool animateVertices;
@property (nonatomic) bool displayControlMeshEdges;
@property (nonatomic) bool displayControlMeshVertices;
@property (nonatomic) bool legacyGregoryEnabled;
@property (nonatomic) DisplayStyle displayStyle;
@property (nonatomic) ShadingMode shadingMode;
@property (nonatomic) EndCap endCapMode;
@property (nonatomic) FVarLinearInterp fVarLinearInterp;
@property (nonatomic) KernelType kernelType;
@end
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