Varjo_types_layers.h

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// Copyright 2019-2022 Varjo Technologies Oy. All rights reserved.
 
#ifndef VARJO_TYPES_LAYERS_H
#define VARJO_TYPES_LAYERS_H
 
#include "Varjo_types.h"
#include "Varjo_export.h"
 
#if defined __cplusplus
extern "C" {
#endif
 
struct varjo_SwapChainConfig2 {
    varjo_TextureFormat textureFormat;  
    int32_t numberOfTextures;           
    int32_t textureWidth;               
    int32_t textureHeight;              
    int32_t textureArraySize;           
};
 
struct varjo_SwapChain;
 
struct varjo_SwapChainViewport {
    struct varjo_SwapChain* swapChain;  
    int32_t x;                          
    int32_t y;                          
    int32_t width;                      
    int32_t height;                     
    int32_t arrayIndex;                 
    int32_t reserved;                   
};
 
struct varjo_MirrorView {
    struct varjo_SwapChainViewport viewport;  
    int32_t viewIndex;                        
    int32_t reserved;                         
};
 
typedef int64_t varjo_LayerType;
static const varjo_LayerType varjo_LayerMultiProjType = 0x1;
 
typedef int64_t varjo_LayerFlags;
static const varjo_LayerFlags varjo_LayerFlagNone = 0x0;
 
static const varjo_LayerFlags varjo_LayerFlag_BlendMode_AlphaBlend = 0x2;  
static const varjo_LayerFlags varjo_LayerFlag_DepthTesting = 0x4;          
static const varjo_LayerFlags varjo_LayerFlag_InvertAlpha = 0x8;           
static const varjo_LayerFlags varjo_LayerFlag_UsingOcclusionMesh = 0x10;   
static const varjo_LayerFlags varjo_LayerFlag_ChromaKeyMasking = 0x20;     
static const varjo_LayerFlags varjo_LayerFlag_Foveated = 0x40;             
 
typedef int64_t varjo_Space;
static const varjo_Space varjo_SpaceLocal = 0x0;
static const varjo_Space varjo_SpaceView = 0x1;
 
struct varjo_LayerHeader {
    varjo_LayerType type;
    varjo_LayerFlags flags;
};
 
typedef int64_t varjo_ViewExtensionType;
static const varjo_ViewExtensionType varjo_ViewExtensionDepthType = 1;
static const varjo_ViewExtensionType varjo_ViewExtensionDepthTestRangeType = 2;
static const varjo_ViewExtensionType varjo_ViewExtensionVelocityType = 3;
static const varjo_ViewExtensionType varjo_ViewExtensionBlendControlMaskType = 4;
 
struct varjo_ViewExtension {
    varjo_ViewExtensionType type;
    struct varjo_ViewExtension* next;
};
 
struct varjo_ViewExtensionDepth {
    struct varjo_ViewExtension header;
    double minDepth;
    double maxDepth;
    double nearZ;
    double farZ;
    struct varjo_SwapChainViewport viewport;
};
 
struct varjo_ViewExtensionDepthTestRange {
    struct varjo_ViewExtension header;
    double nearZ;
    double farZ;
};
 
struct varjo_ViewExtensionVelocity {
    struct varjo_ViewExtension header;
    double velocityScale;
    varjo_Bool includesHMDMotion;
    struct varjo_SwapChainViewport viewport;
};
 
typedef int64_t varjo_BlendControlMaskingMode;
static const varjo_BlendControlMaskingMode varjo_BlendControlMaskingMode_Off = 0;
static const varjo_BlendControlMaskingMode varjo_BlendControlMaskingMode_Restricted = 1;
static const varjo_BlendControlMaskingMode varjo_BlendControlMaskingMode_Extended = 2;
static const varjo_BlendControlMaskingMode varjo_BlendControlMaskingMode_Reduced = 3;
static const varjo_BlendControlMaskingMode varjo_BlendControlMaskingMode_Depth_Test_Or_Always_Fail = 4;
static const varjo_BlendControlMaskingMode varjo_BlendControlMaskingMode_Depth_Test_Or_Always_Pass = 5;
 
typedef int64_t varjo_BlendControlDebugMode;
static const varjo_BlendControlDebugMode varjo_BlendControlDebugMode_Off = 0;
static const varjo_BlendControlDebugMode varjo_BlendControlDebugMode_ShowMask = 1;
static const varjo_BlendControlDebugMode varjo_BlendControlDebugMode_ShowColors = 2;
 
struct varjo_ViewExtensionBlendControlMask {
    struct varjo_ViewExtension header;
    varjo_Bool forceGlobalViewOffset;
    varjo_BlendControlMaskingMode maskingMode;
    varjo_BlendControlDebugMode debugMode;
    int64_t reserved[32];
};
 
struct varjo_LayerMultiProjView {
    struct varjo_ViewExtension* extension;
    struct varjo_Matrix projection;
    struct varjo_Matrix view;
    struct varjo_SwapChainViewport viewport;
};
 
struct varjo_LayerMultiProj {
    struct varjo_LayerHeader header;
    varjo_Space space;
    int32_t viewCount;
    struct varjo_LayerMultiProjView* views;
};
 
struct varjo_SubmitInfoLayers {
    int64_t frameNumber;
    int64_t reserved;
 
    int32_t layerCount;
    struct varjo_LayerHeader** layers;
};
 
#if defined __cplusplus
}
#endif
 
#endif