APEX Framework: IofxRenderCallback.h Source File

NVIDIA APEX

IofxRenderCallback.h
00001 /*
00002  * Copyright (c) 2008-2017, NVIDIA CORPORATION.  All rights reserved.
00003  *
00004  * NVIDIA CORPORATION and its licensors retain all intellectual property
00005  * and proprietary rights in and to this software, related documentation
00006  * and any modifications thereto.  Any use, reproduction, disclosure or
00007  * distribution of this software and related documentation without an express
00008  * license agreement from NVIDIA CORPORATION is strictly prohibited.
00009  */
00010 
00011 
00012 #ifndef IOFX_RENDER_CALLBACK_H
00013 #define IOFX_RENDER_CALLBACK_H
00014 
00015 #include "foundation/Px.h"
00016 #include "UserRenderCallback.h"
00017 
00018 namespace nvidia
00019 {
00020 namespace apex
00021 {
00022 
00023 PX_PUSH_PACK_DEFAULT
00024 
00025 class IofxRenderable;
00026 class IofxSpriteRenderable;
00027 class IofxMeshRenderable;
00028 
00032 struct IofxRenderSemantic
00033 {
00037     enum Enum
00038     {
00039         POSITION = 0,   
00040         COLOR,          
00041         VELOCITY,       
00042         SCALE,          
00043         LIFE_REMAIN,    
00044         DENSITY,        
00045         SUBTEXTURE,     
00046         ORIENTATION,    
00047         ROTATION,       
00048         USER_DATA,      
00049 
00050         NUM_SEMANTICS   
00051     };
00052 };
00053 
00054 
00058 struct IofxSpriteRenderLayoutElement
00059 {
00063     enum Enum
00064     {
00065         POSITION_FLOAT3,
00066         COLOR_RGBA8,
00067         COLOR_BGRA8,
00068         COLOR_FLOAT4,
00069         VELOCITY_FLOAT3,
00070         SCALE_FLOAT2,
00071         LIFE_REMAIN_FLOAT1,
00072         DENSITY_FLOAT1,
00073         SUBTEXTURE_FLOAT1,
00074         ORIENTATION_FLOAT1,
00075         USER_DATA_UINT1,
00076 
00077         MAX_COUNT
00078     };
00079 
00083     static PX_INLINE RenderDataFormat::Enum getFormat(Enum element)
00084     {
00085         switch (element)
00086         {
00087         case POSITION_FLOAT3:
00088             return RenderDataFormat::FLOAT3;
00089         case COLOR_RGBA8:
00090             return RenderDataFormat::R8G8B8A8;
00091         case COLOR_BGRA8:
00092             return RenderDataFormat::B8G8R8A8;
00093         case COLOR_FLOAT4:
00094             return RenderDataFormat::FLOAT4;
00095         case VELOCITY_FLOAT3:
00096             return RenderDataFormat::FLOAT3;
00097         case SCALE_FLOAT2:
00098             return RenderDataFormat::FLOAT2;
00099         case LIFE_REMAIN_FLOAT1:
00100             return RenderDataFormat::FLOAT1;
00101         case DENSITY_FLOAT1:
00102             return RenderDataFormat::FLOAT1;
00103         case SUBTEXTURE_FLOAT1:
00104             return RenderDataFormat::FLOAT1;
00105         case ORIENTATION_FLOAT1:
00106             return RenderDataFormat::FLOAT1;
00107         case USER_DATA_UINT1:
00108             return RenderDataFormat::UINT1;
00109         default:
00110             PX_ALWAYS_ASSERT();
00111             return RenderDataFormat::NUM_FORMATS;
00112         }
00113     }
00114 };
00115 
00119 struct IofxSpriteRenderLayoutSurfaceElement
00120 {
00124     enum Enum
00125     {
00126         POSITION_FLOAT4, 
00127         SCALE_ORIENT_SUBTEX_FLOAT4, 
00128         COLOR_RGBA8, //<! COLOR in RGBA8 format
00129         COLOR_BGRA8, //<! COLOR in BGRA8 format
00130         COLOR_FLOAT4, //<! COLOR in FLOAT4 format
00131 
00132         MAX_COUNT
00133     };
00134 
00138     static PX_INLINE RenderDataFormat::Enum getFormat(Enum element)
00139     {
00140         switch (element)
00141         {
00142         case POSITION_FLOAT4:
00143             return RenderDataFormat::FLOAT4;
00144         case SCALE_ORIENT_SUBTEX_FLOAT4:
00145             return RenderDataFormat::FLOAT4;
00146         case COLOR_RGBA8:
00147             return RenderDataFormat::R8G8B8A8;
00148         case COLOR_BGRA8:
00149             return RenderDataFormat::B8G8R8A8;
00150         case COLOR_FLOAT4:
00151             return RenderDataFormat::R32G32B32A32_FLOAT;
00152         default:
00153             PX_ALWAYS_ASSERT();
00154             return RenderDataFormat::NUM_FORMATS;
00155         }
00156     }
00157 };
00158 
00162 struct IofxSpriteRenderLayout
00163 {
00164     IofxSpriteRenderLayout(void)
00165     {
00166         setDefaults();
00167     }
00168 
00172     void setDefaults()
00173     {
00174         bufferDesc.setDefaults();
00175         for (uint32_t i = 0; i < IofxSpriteRenderLayoutElement::MAX_COUNT; i++)
00176         {
00177             offsets[i] = uint32_t(-1);
00178         }
00179         stride = 0;
00180         surfaceCount = 0;
00181         for (uint32_t i = 0; i < MAX_SURFACE_COUNT; i++)
00182         {
00183             surfaceElements[i] = IofxSpriteRenderLayoutSurfaceElement::MAX_COUNT;
00184         }
00185     }
00186 
00190     bool isValid(void) const
00191     {
00192         uint32_t numFailed = 0;
00193 
00194         numFailed += (surfaceCount == 0) && !bufferDesc.isValid();
00195         numFailed += (surfaceCount == 0) && (stride == 0);
00196         numFailed += (surfaceCount == 0) && (offsets[IofxSpriteRenderLayoutElement::POSITION_FLOAT3] == uint32_t(-1));
00197 
00198         numFailed += ((stride & 0x03) != 0);
00199         for (uint32_t i = 0; i < IofxSpriteRenderLayoutElement::MAX_COUNT; i++)
00200         {
00201             if (offsets[i] != static_cast<uint32_t>(-1))
00202             {
00203                 numFailed += (offsets[i] >= stride);
00204                 numFailed += ((offsets[i] & 0x03) != 0);
00205             }
00206         }
00207         for (uint32_t i= 0; i < surfaceCount; ++i)
00208         {
00209             numFailed += (surfaceElements[i] >= IofxSpriteRenderLayoutSurfaceElement::MAX_COUNT);
00210             numFailed += !surfaceDescs[i].isValid();
00211             numFailed += (surfaceDescs[i].width == 0) || (surfaceDescs[i].height == 0);
00212             numFailed += (IofxSpriteRenderLayoutSurfaceElement::getFormat(surfaceElements[i]) != surfaceDescs[i].format);
00213         }
00214 
00215         return (numFailed == 0);
00216     }
00217 
00221     bool isTheSameAs(const IofxSpriteRenderLayout& other) const
00222     {
00223         if (surfaceCount != other.surfaceCount) return false;
00224         if (surfaceCount == 0)
00225         {
00226             if (!bufferDesc.isTheSameAs(other.bufferDesc)) return false;
00227             if (stride != other.stride) return false;
00228             for (uint32_t i = 0; i < IofxSpriteRenderLayoutElement::MAX_COUNT; i++)
00229             {
00230                 if (offsets[i] != other.offsets[i]) return false;
00231             }
00232         }
00233         else
00234         {
00235             for (uint32_t i = 0; i < surfaceCount; ++i)
00236             {
00237                 if (surfaceElements[i] != other.surfaceElements[i]) return false;
00238                 if (!surfaceDescs[i].isTheSameAs(other.surfaceDescs[i])) return false;
00239             }
00240         }
00241         return true;
00242     }
00243 
00244 public:
00245     UserRenderBufferDesc        bufferDesc; 
00246     
00250     uint32_t                    offsets[IofxSpriteRenderLayoutElement::MAX_COUNT];
00251     uint32_t                    stride; 
00252 
00253     uint32_t                    surfaceCount; 
00254 
00258     static const uint32_t MAX_SURFACE_COUNT = 4;
00259 
00263     IofxSpriteRenderLayoutSurfaceElement::Enum  surfaceElements[MAX_SURFACE_COUNT];
00267     UserRenderSurfaceDesc                           surfaceDescs[MAX_SURFACE_COUNT];
00268 };
00269 
00270 
00274 struct IofxMeshRenderLayoutElement
00275 {
00279     enum Enum
00280     {
00281         POSITION_FLOAT3,
00282         ROTATION_SCALE_FLOAT3x3,
00283         POSE_FLOAT3x4,
00284         VELOCITY_LIFE_FLOAT4,
00285         DENSITY_FLOAT1,
00286         COLOR_RGBA8,
00287         COLOR_BGRA8,
00288         COLOR_FLOAT4,
00289         USER_DATA_UINT1,
00290 
00291         MAX_COUNT
00292     };
00293 
00297     static PX_INLINE RenderDataFormat::Enum getFormat(Enum element)
00298     {
00299         switch (element)
00300         {
00301         case POSITION_FLOAT3:
00302             return RenderDataFormat::FLOAT3;        
00303         case ROTATION_SCALE_FLOAT3x3:
00304             return RenderDataFormat::FLOAT3x3;
00305         case POSE_FLOAT3x4:
00306             return RenderDataFormat::FLOAT3x4;
00307         case VELOCITY_LIFE_FLOAT4:
00308             return RenderDataFormat::FLOAT4;
00309         case DENSITY_FLOAT1:
00310             return RenderDataFormat::FLOAT1;
00311         case COLOR_RGBA8:
00312             return RenderDataFormat::R8G8B8A8;
00313         case COLOR_BGRA8:
00314             return RenderDataFormat::B8G8R8A8;
00315         case COLOR_FLOAT4:
00316             return RenderDataFormat::FLOAT4;
00317         case USER_DATA_UINT1:
00318             return RenderDataFormat::UINT1;
00319         default:
00320             PX_ALWAYS_ASSERT();
00321             return RenderDataFormat::NUM_FORMATS;
00322         }
00323     }
00324 };
00325 
00329 struct IofxMeshRenderLayout
00330 {
00331     IofxMeshRenderLayout(void)
00332     {
00333         setDefaults();
00334     }
00335 
00339     void setDefaults()
00340     {
00341         bufferDesc.setDefaults();
00342         for (uint32_t i = 0; i < IofxMeshRenderLayoutElement::MAX_COUNT; i++)
00343         {
00344             offsets[i] = uint32_t(-1);
00345         }
00346         stride = 0;
00347     }
00348 
00352     bool isValid(void) const
00353     {
00354         uint32_t numFailed = 0;
00355 
00356         numFailed += !bufferDesc.isValid();
00357         numFailed += (stride == 0);
00358         numFailed += (offsets[IofxMeshRenderLayoutElement::POSITION_FLOAT3] == uint32_t(-1))
00359             && (offsets[IofxMeshRenderLayoutElement::POSE_FLOAT3x4] == uint32_t(-1));
00360 
00361         numFailed += ((stride & 0x03) != 0);
00362         for (uint32_t i = 0; i < IofxMeshRenderLayoutElement::MAX_COUNT; i++)
00363         {
00364             if (offsets[i] != static_cast<uint32_t>(-1))
00365             {
00366                 numFailed += (offsets[i] >= stride);
00367                 numFailed += ((offsets[i] & 0x03) != 0);
00368             }
00369         }
00370 
00371         return (numFailed == 0);
00372     }
00373 
00377     bool isTheSameAs(const IofxMeshRenderLayout& other) const
00378     {
00379         if (!bufferDesc.isTheSameAs(other.bufferDesc)) return false;
00380         if (stride != other.stride) return false;
00381         for (uint32_t i = 0; i < IofxMeshRenderLayoutElement::MAX_COUNT; i++)
00382         {
00383             if (offsets[i] != other.offsets[i]) return false;
00384         }
00385         return true;
00386     }
00387 
00388 public:
00389     UserRenderBufferDesc        bufferDesc; 
00390     
00394     uint32_t                    offsets[IofxMeshRenderLayoutElement::MAX_COUNT];
00395     uint32_t                    stride; 
00396 };
00397 
00398 
00402 class IofxRenderCallback : public UserRenderCallback
00403 {
00404 public:
00408     virtual void onCreatedIofxRenderable(IofxRenderable& ) {}
00409 
00413     virtual void onUpdatedIofxRenderable(IofxRenderable& ) {}
00414 
00418     virtual void onReleasingIofxRenderable(IofxRenderable& ) {}
00419 
00427     virtual bool getIofxSpriteRenderLayout(IofxSpriteRenderLayout& spriteRenderLayout, uint32_t spriteCount, uint32_t spriteSemanticsBitmap, RenderInteropFlags::Enum interopFlags)
00428     {
00429         PX_UNUSED(spriteRenderLayout);
00430         PX_UNUSED(spriteCount);
00431         PX_UNUSED(spriteSemanticsBitmap);
00432         PX_UNUSED(interopFlags);
00433         return false;
00434     }
00435 
00443     virtual bool getIofxMeshRenderLayout(IofxMeshRenderLayout& meshRenderLayout, uint32_t meshCount, uint32_t meshSemanticsBitmap, RenderInteropFlags::Enum interopFlags)
00444     {
00445         PX_UNUSED(meshRenderLayout);
00446         PX_UNUSED(meshCount);
00447         PX_UNUSED(meshSemanticsBitmap);
00448         PX_UNUSED(interopFlags);
00449         return false;
00450     }
00451 
00452 };
00453 
00454 PX_POP_PACK
00455 
00456 }
00457 } // end namespace nvidia
00458 
00459 #endif // IOFX_RENDER_CALLBACK_H

Generated on Fri Dec 15 2017 13:58:35
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