▶ 纹理内存读取函数
1 /****************************************************************/ 2 3 // Texture Object API 4 5 /****************************************************************/ 6 7 template<class T> 8 T tex1Dfetch(cudaTextureObject_t texObj, int x); 9 // 一维纹理，整数下标。只用于非正规化坐标，挤压模式或边界模式，不能滤波 10 11 template<class T> 12 T tex1D(cudaTextureObject_t texObj, float x); 13 // 一维纹理，浮点数下标 14 15 template<class T> 16 T tex1DLod(cudaTextureObject_t texObj, float x, float level); 17 // 一维纹理，基于 level-of-detail（层次细节）算法 18 19 template<class T> 20 T tex1DGrad(cudaTextureObject_t texObj, float x, float dx, float dy); 21 // 一维纹理，基于 gradients（梯度）算法 22 23 template<class T> 24 T tex2D(cudaTextureObject_t texObj, float x, float y); 25 // 二维纹理 26 27 template<class T> 28 tex2DLod(cudaTextureObject_t texObj, float x, float y, float level); 29 // 二维纹理，基于 level-of-detail（层次细节）算法 30 31 template<class T> 32 T tex2DGrad(cudaTextureObject_t texObj, float x, float y,float2 dx, float2 dy); 33 // 二维纹理，基于 gradients（梯度）算法 34 35 template<class T> 36 T tex3D(cudaTextureObject_t texObj, float x, float y, float z); 37 // 三维纹理 38 39 template<class T> 40 T tex3DLod(cudaTextureObject_t texObj, float x, float y, float z, float level); 41 // 三维纹理，基于 level-of-detail（层次细节）算法 42 43 template<class T> 44 T tex3DGrad(cudaTextureObject_t texObj, float x, float y, float z,float4 dx, float4 dy); 45 // 三维纹理，基于 gradients（梯度）算法 46 47 template<class T> 48 T tex1DLayered(cudaTextureObject_t texObj, float x, int layer); 49 // 一维分层纹理 50 51 template<class T> 52 T tex1DLayeredLod(cudaTextureObject_t texObj, float x, int layer, float level); 53 // 一维分层纹理，基于 level-of-detail（层次细节）算法 54 55 template<class T> 56 T tex1DLayeredGrad(cudaTextureObject_t texObj, float x, int layer, float dx, float dy); 57 // 一维分层纹理，基于 gradients（梯度）算法 58 59 template<class T> 60 T tex2DLayered(cudaTextureObject_t texObj, float x, float y, int layer); 61 // 二维分层纹理 62 63 template<class T> 64 T tex2DLayeredLod(cudaTextureObject_t texObj, float x, float y, int layer, float level); 65 // 二维分层纹理，基于 level-of-detail（层次细节）算法 66 67 template<class T> 68 T tex2DLayeredGrad(cudaTextureObject_t texObj, float x, float y, int layer, float2 dx, float2 dy); 69 // 二维分层纹理，基于 gradients（梯度）算法 70 71 template<class T> 72 T texCubemap(cudaTextureObject_t texObj, float x, float y, float z); 73 // 立方体贴图纹理 74 75 template<class T> 76 T texCubemapLod(cudaTextureObject_t texObj, float x, float, y, float z, float level); 77 // 立方体贴图纹理，基于 level-of-detail（层次细节）算法 78 79 template<class T> 80 T texCubemapLayered(cudaTextureObject_t texObj, float x, float y, float z, int layer); 81 // 立方体分层贴图纹理 82 83 template<class T> 84 T texCubemapLayeredLod(cudaTextureObject_t texObj, float x, float y, float z, int layer, float level); 85 // 立方分层体贴图纹理，基于 level-of-detail（层次细节）算法 86 87 template<class T> 88 T tex2Dgather(cudaTextureObject_t texObj, float x, float y, int comp = 0); 89 // ？ 90 91 /****************************************************************/ 92 93 // Texture Object API 94 95 /****************************************************************/ 96 97 template<class DataType> 98 Type tex1Dfetch(texture<DataType, cudaTextureType1D, cudaReadModeElementType> texRef, int x); 99 100 float tex1Dfetch(texture<unsigned char, cudaTextureType1D, cudaReadModeNormalizedFloat> texRef, int x); 101 float tex1Dfetch(texture<signed char, cudaTextureType1D, cudaReadModeNormalizedFloat> texRef, int x); 102 float tex1Dfetch(texture<unsigned short, cudaTextureType1D, cudaReadModeNormalizedFloat> texRef, int x); 103 float tex1Dfetch(texture<signed short, cudaTextureType1D, cudaReadModeNormalizedFloat> texRef, int x); 104 // 一维纹理，整数下标。只用于非正规化坐标，挤压模式或边界模式，不能滤波 105 106 // 2元组，4元组也可以使用这种方法，例如： 107 float4 tex1Dfetch(texture<uchar2, cudaTextureType1D, cudaReadModeNormalizedFloat> texRef, int x); 108 float4 tex1Dfetch(texture<uchar4, cudaTextureType1D, cudaReadModeNormalizedFloat> texRef, int x); 109 110 // 其他函数名类似 Texture Object API 111 template<class DataType, enum cudaTextureReadMode readMode> 112 Type tex1D(texture<DataType, cudaTextureType1D, readMode> texRef, float x); 113 114 template<class DataType, enum cudaTextureReadMode readMode> 115 Type tex1DLod(texture<DataType, cudaTextureType1D, readMode> texRef, float x, float level); 116 117 template<class DataType, enum cudaTextureReadMode readMode> 118 Type tex1DGrad(texture<DataType, cudaTextureType1D, readMode> texRef, float x, float dx, float dy); 119 120 template<class DataType, enum cudaTextureReadMode readMode> 121 Type tex2D(texture<DataType, cudaTextureType2D, readMode> texRef,float x, float y); 122 123 template<class DataType, enum cudaTextureReadMode readMode> 124 Type tex2DLod(texture<DataType, cudaTextureType2D, readMode> texRef, float x, float y, float level); 125 126 template<class DataType, enum cudaTextureReadMode readMode> 127 Type tex2DGrad(texture<DataType, cudaTextureType2D, readMode> texRef, float x, float y, float2 dx, float2 dy); 128 129 template<class DataType, enum cudaTextureReadMode readMode> 130 Type tex3D(texture<DataType, cudaTextureType3D, readMode> texRef, float x, float y, float z); 131 132 template<class DataType, enum cudaTextureReadMode readMode> 133 Type tex3DLod(texture<DataType, cudaTextureType3D, readMode> texRef, float x, float y, float z, float level); 134 135 template<class DataType, enum cudaTextureReadMode readMode> 136 Type tex3DGrad(texture<DataType, cudaTextureType3D, readMode> texRef, float x, float y, float z, float4 dx, float4 dy); 137 138 template<class DataType, enum cudaTextureReadMode readMode> 139 Type tex1DLayered(texture<DataType, cudaTextureType1DLayered, readMode> texRef, float x, int layer); 140 141 template<class DataType, enum cudaTextureReadMode readMode> 142 Type tex1DLayeredLod(texture<DataType, cudaTextureType1D, readMode> texRef, float x, int layer, float level); 143 144 template<class DataType, enum cudaTextureReadMode readMode> 145 Type tex1DLayeredGrad(texture<DataType, cudaTextureType1D, readMode> texRef, float x, int layer, float dx, float dy); 146 147 template<class DataType, enum cudaTextureReadMode readMode> 148 Type tex2DLayered(texture<DataType, cudaTextureType2DLayered, readMode> texRef, float x, float y, int layer); 149 150 template<class DataType, enum cudaTextureReadMode readMode> 151 Type tex2DLayeredLod(texture<DataType, cudaTextureType2D, readMode> texRef, float x, float y, int layer, float level); 152 153 template<class DataType, enum cudaTextureReadMode readMode> 154 Type tex2DLayeredGrad(texture<DataType, cudaTextureType2D, readMode> texRef, float x, float y, int layer, float2 dx, float2 dy); 155 156 template<class DataType, enum cudaTextureReadMode readMode> 157 Type texCubemap(texture<DataType, cudaTextureTypeCubemap, readMode> texRef, float x, float y, float z); 158 159 template<class DataType, enum cudaTextureReadMode readMode> 160 Type texCubemapLod(texture<DataType, cudaTextureType3D, readMode> texRef, float x, float y, float z, float level); 161 162 template<class DataType, enum cudaTextureReadMode readMode> 163 Type texCubemapLayered(texture<DataType, cudaTextureTypeCubemapLayered, readMode> texRef, float x, float y, float z, int layer); 164 165 template<class DataType, enum cudaTextureReadMode readMode> 166 Type texCubemapLayeredLod(texture<DataType, cudaTextureType3D, readMode> texRef, float x, float y, float z, int layer, float level); 167 168 template<class DataType, enum cudaTextureReadMode readMode> 169 Type tex2Dgather(texture<DataType, cudaTextureType2D, readMode> texRef, float x, float y, int comp = 0);
▶ 表面内存读写函数
1 /****************************************************************/ 2 3 // Surface Object API 4 5 /****************************************************************/ 6 7 template<class T> 8 T surf1Dread(cudaSurfaceObject_t surfObj, int x, boundaryMode = cudaBoundaryModeTrap); 9 // 一维表面读取 10 11 template<class T> 12 void surf1Dwrite(T data, cudaSurfaceObject_t surfObj, int x, boundaryMode = cudaBoundaryModeTrap); 13 // 一维表面写入 14 15 template<class T> 16 T surf2Dread(cudaSurfaceObject_t surfObj, int x, int y, boundaryMode = cudaBoundaryModeTrap); 17 // 二维表面读取 18 template<class T> 19 void surf2Dread(T* data, cudaSurfaceObject_t surfObj, int x, int y, boundaryMode = cudaBoundaryModeTrap); 20 // 二维表面读取 21 22 template<class T> 23 void surf2Dwrite(T data, cudaSurfaceObject_t surfObj, int x, int y, boundaryMode = cudaBoundaryModeTrap); 24 // 二维表面写入 25 26 template<class T> 27 T surf3Dread(cudaSurfaceObject_t surfObj, int x, int y, int z, boundaryMode = cudaBoundaryModeTrap); 28 // 三维表面读取 29 30 template<class T> 31 void surf3Dread(T* data, cudaSurfaceObject_t surfObj, int x, int y, int z, boundaryMode = cudaBoundaryModeTrap); 32 // 三维表面读取 33 34 template<class T> 35 void surf3Dwrite(T data, cudaSurfaceObject_t surfObj, int x, int y, int z, boundaryMode = cudaBoundaryModeTrap); 36 // 三维表面写入 37 38 template<class T> 39 T surf1DLayeredread(cudaSurfaceObject_t surfObj, int x, int layer, boundaryMode = cudaBoundaryModeTrap); 40 // 一维分层表面读取 41 42 template<class T> 43 void surf1DLayeredread(T data, cudaSurfaceObject_t surfObj, int x, int layer, boundaryMode = cudaBoundaryModeTrap); 44 // 一维分层表面读取 45 46 template<class Type> 47 void surf1DLayeredwrite(T data, cudaSurfaceObject_t surfObj, int x, int layer, boundaryMode = cudaBoundaryModeTrap); 48 // 一维分层表面写入 49 50 template<class T> 51 T surf2DLayeredread(cudaSurfaceObject_t surfObj, int x, int y, int layer, boundaryMode = cudaBoundaryModeTrap); 52 // 二维分层表面读取 53 54 template<class T> 55 void surf2DLayeredread(T data, cudaSurfaceObject_t surfObj, int x, int y, int layer, boundaryMode = cudaBoundaryModeTrap); 56 // 二维分层表面读取 57 template<class T> 58 void surf2DLayeredwrite(T data, cudaSurfaceObject_t surfObj, int x, int y, int layer, boundaryMode = cudaBoundaryModeTrap); 59 // 二维分层表面写入 60 61 template<class T> 62 T surfCubemapread(cudaSurfaceObject_t surfObj, int x, int y, int face, boundaryMode = cudaBoundaryModeTrap); 63 // 立方体贴图表面读取 64 65 template<class T> 66 void surfCubemapread(T data, cudaSurfaceObject_t surfObj, int x, int y, int face, boundaryMode = cudaBoundaryModeTrap); 67 // 立方体贴图表面读取 68 69 template<class T> 70 void surfCubemapwrite(T data, cudaSurfaceObject_t surfObj, int x, int y, int face, boundaryMode = cudaBoundaryModeTrap); 71 // 立方体贴图表面写入 72 73 template<class T> 74 T surfCubemapLayeredread(cudaSurfaceObject_t surfObj, int x, int y, int layerFace, boundaryMode = cudaBoundaryModeTrap); 75 // 立方体分层贴图表面读取 76 77 template<class T> 78 void surfCubemapLayeredread(T data, cudaSurfaceObject_t surfObj, int x, int y, int layerFace, boundaryMode = cudaBoundaryModeTrap); 79 // 立方体分层贴图表面读取 80 81 template<class T> 82 void surfCubemapLayeredwrite(T data, cudaSurfaceObject_t surfObj, int x, int y, int layerFace, boundaryMode = cudaBoundaryModeTrap); 83 // 立方体分层贴图表面写入 84 85 /****************************************************************/ 86 87 // Surface Refernence API 88 89 /****************************************************************/ 90 91 // 函数名类似 Texture Object API 92 template<class Type> 93 Type surf1Dread(surface<void, cudaSurfaceType1D> surfRef, int x, boundaryMode = cudaBoundaryModeTrap); 94 95 template<class Type> 96 void surf1Dread(Type data, surface<void, cudaSurfaceType1D> surfRef, int x, boundaryMode = cudaBoundaryModeTrap); 97 98 template<class Type> 99 void surf1Dwrite(Type data, surface<void, cudaSurfaceType1D> surfRef, int x, boundaryMode = cudaBoundaryModeTrap); 100 101 template<class Type> 102 Type surf2Dread(surface<void, cudaSurfaceType2D> surfRef, int x, int y, boundaryMode = cudaBoundaryModeTrap); 103 104 template<class Type> 105 void surf2Dread(Type* data, surface<void, cudaSurfaceType2D> surfRef, int x, int y, boundaryMode = cudaBoundaryModeTrap); 106 107 template<class Type> 108 void surf3Dwrite(Type data, surface<void, cudaSurfaceType3D> surfRef, int x, int y, int z, boundaryMode = cudaBoundaryModeTrap); 109 110 template<class Type> 111 Type surf3Dread(surface<void, cudaSurfaceType3D> surfRef, int x, int y, int z, boundaryMode = cudaBoundaryModeTrap); 112 113 template<class Type> 114 void surf3Dread(Type* data, surface<void, cudaSurfaceType3D> surfRef, int x, int y, int z, boundaryMode = cudaBoundaryModeTrap); 115 116 template<class Type> 117 void surf3Dwrite(Type data, surface<void, cudaSurfaceType3D> surfRef, int x, int y, int z, boundaryMode = cudaBoundaryModeTrap); 118 119 template<class Type> 120 Type surf1DLayeredread(surface<void, cudaSurfaceType1DLayered> surfRef, int x, int layer, boundaryMode = cudaBoundaryModeTrap); 121 122 template<class Type> 123 void surf1DLayeredread(Type data, surface<void, cudaSurfaceType1DLayered> surfRef, int x, int layer, boundaryMode = cudaBoundaryModeTrap); 124 125 template<class Type> 126 void surf1DLayeredwrite(Type data, surface<void, cudaSurfaceType1DLayered> surfRef, int x, int layer, boundaryMode = cudaBoundaryModeTrap); 127 128 template<class Type> 129 Type surf2DLayeredread(surface<void, cudaSurfaceType2DLayered> surfRef, int x, int y, int layer, boundaryMode = cudaBoundaryModeTrap); 130 131 template<class Type> 132 void surf2DLayeredread(Type data, surface<void, cudaSurfaceType2DLayered> surfRef, int x, int y, int layer, boundaryMode = cudaBoundaryModeTrap); 133 134 template<class Type> 135 void surf2DLayeredwrite(Type data, surface<void, cudaSurfaceType2DLayered> surfRef, int x, int y, int layer, boundaryMode = cudaBoundaryModeTrap); 136 137 template<class Type> 138 Type surfCubemapread(surface<void, cudaSurfaceTypeCubemap> surfRef, int x, int y, int face, boundaryMode = cudaBoundaryModeTrap); 139 140 template<class Type> 141 void surfCubemapread(Type data, surface<void, cudaSurfaceTypeCubemap> surfRef, int x, int y, int face, boundaryMode = cudaBoundaryModeTrap); 142 143 template<class Type> 144 void surfCubemapwrite(Type data, surface<void, cudaSurfaceTypeCubemap> surfRef, int x, int y, int face, boundaryMode = cudaBoundaryModeTrap); 145 146 template<class Type> 147 Type surfCubemapLayeredread(surface<void, cudaSurfaceTypeCubemapLayered> surfRef, int x, int y, int layerFace, boundaryMode = cudaBoundaryModeTrap); 148 149 template<class Type> 150 void surfCubemapLayeredread(Type data, surface<void, cudaSurfaceTypeCubemapLayered> surfRef, int x, int y, int layerFace, boundaryMode = cudaBoundaryModeTrap); 151 152 template<class Type> 153 void surfCubemapLayeredwrite(Type data, surface<void, cudaSurfaceTypeCubemapLayered> surfRef, int x, int y, int layerFace, boundaryMode = cudaBoundaryModeTrap);