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| 1 | +// ===-------- text_experimental_build_only.cu ------- *- CUDA -* ---------===// |
| 2 | +// |
| 3 | +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | +// See https://llvm.org/LICENSE.txt for license information. |
| 5 | +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | +// |
| 7 | +// |
| 8 | +// ===---------------------------------------------------------------------===// |
| 9 | + |
| 10 | +__global__ void |
| 11 | +CppLanguageExtensions_TextureFunctions(cudaTextureObject_t tex) { |
| 12 | + int i = 1, t = 1; |
| 13 | + float j = 1, k = 1, l = 1; |
| 14 | + tex1Dfetch<float4>(tex, i); |
| 15 | + tex1D<short2>(tex, i); |
| 16 | + tex2D<int1>(tex, j, k); |
| 17 | + // tex3D<char4>(tex, j, k, l); // TODO: need support. |
| 18 | + // tex1DLayered<uchar2>(tex, i, t); // TODO: need support. |
| 19 | + // tex2DLayered<uint2>(tex, j, k, t); // TODO: need support. |
| 20 | +} |
| 21 | + |
| 22 | +void Runtime_MemoryManagement() { |
| 23 | + cudaChannelFormatDesc d; |
| 24 | + cudaExtent e; |
| 25 | + unsigned int u; |
| 26 | + cudaArray_t a = nullptr; |
| 27 | + cudaPitchedPtr p; |
| 28 | + size_t s = 1; |
| 29 | + void *v; |
| 30 | + cudaMemcpyKind k = cudaMemcpyDefault; |
| 31 | + cudaMemcpy3DParms pm; |
| 32 | + int i = 1; |
| 33 | + cudaArrayGetInfo(&d, &e, &u, a); |
| 34 | + // cudaFreeArray(a); // TODO: need support. |
| 35 | + cudaMalloc3D(&p, e); |
| 36 | + cudaMalloc3DArray(&a, &d, e, u); |
| 37 | + cudaMallocArray(&a, &d, s, s, u); |
| 38 | + cudaMallocPitch(&v, &s, s, s); |
| 39 | + cudaMemcpy2D(v, s, v, s, s, s, k); |
| 40 | + cudaMemcpy2DArrayToArray(a, s, s, a, s, s, s, s, k); |
| 41 | + cudaMemcpy2DAsync(v, s, v, s, s, s, k); |
| 42 | + cudaMemcpy2DFromArray(v, s, a, s, s, s, s, k); |
| 43 | + cudaMemcpy2DFromArrayAsync(v, s, a, s, s, s, s, k); |
| 44 | + cudaMemcpy2DToArray(a, s, s, v, s, s, s, k); |
| 45 | + cudaMemcpy2DToArrayAsync(a, s, s, v, s, s, s, k); |
| 46 | + cudaMemcpy3D(&pm); |
| 47 | + cudaMemcpy3DAsync(&pm); |
| 48 | + cudaMemset2D(v, s, i, s, s); |
| 49 | + cudaMemset2DAsync(v, s, i, s, s); |
| 50 | + cudaMemset3D(p, i, e); |
| 51 | + cudaMemset3DAsync(p, i, e); |
| 52 | +} |
| 53 | + |
| 54 | +void Runtime_TextureObjectManagement() { |
| 55 | + int i = 1; |
| 56 | + cudaChannelFormatKind k = cudaChannelFormatKindSigned; |
| 57 | + cudaTextureObject_t o{0}; // TODO: need not "{0}". |
| 58 | + cudaResourceDesc r; |
| 59 | + cudaTextureDesc t; |
| 60 | + // cudaResourceViewDesc v; // TODO: need support. |
| 61 | + cudaArray_t a = nullptr; |
| 62 | + cudaChannelFormatDesc d; |
| 63 | + cudaCreateChannelDesc(i, i, i, i, k); |
| 64 | + cudaCreateTextureObject(&o, &r, &t, nullptr /*&v*/); |
| 65 | + cudaDestroyTextureObject(o); |
| 66 | + cudaGetChannelDesc(&d, a); |
| 67 | + cudaGetTextureObjectResourceDesc(&r, o); |
| 68 | + cudaGetTextureObjectTextureDesc(&t, o); |
| 69 | +} |
| 70 | + |
| 71 | +void Driver_MemoryManagement() { |
| 72 | + CUarray a; |
| 73 | + CUDA_ARRAY_DESCRIPTOR D; |
| 74 | + CUDA_MEMCPY2D C2; |
| 75 | + CUstream cs; |
| 76 | + CUDA_MEMCPY3D C3; |
| 77 | + size_t s; |
| 78 | + CUdeviceptr d; |
| 79 | + void *v; |
| 80 | + cuArrayCreate(&a, &D); |
| 81 | + cuArrayDestroy(a); |
| 82 | + cuMemcpy2D(&C2); |
| 83 | + cuMemcpy2DAsync(&C2, cs); |
| 84 | + cuMemcpy3D(&C3); |
| 85 | + cuMemcpy3DAsync(&C3, cs); |
| 86 | + cuMemcpyAtoA(a, s, a, s, s); |
| 87 | + cuMemcpyAtoD(d, a, s, s); |
| 88 | + cuMemcpyAtoH(&v, a, s, s); |
| 89 | + cuMemcpyAtoHAsync(&v, a, s, s, cs); |
| 90 | + cuMemcpyDtoA(a, s, d, s); |
| 91 | + cuMemcpyDtoD(d, d, s); |
| 92 | + cuMemcpyDtoDAsync(d, d, s, cs); |
| 93 | + cuMemcpyDtoH(v, d, s); |
| 94 | + cuMemcpyDtoHAsync(v, d, s, cs); |
| 95 | + cuMemcpyHtoA(a, s, v, s); |
| 96 | + cuMemcpyHtoAAsync(a, s, v, s, cs); |
| 97 | + cuMemcpyHtoD(d, v, s); |
| 98 | + cuMemcpyHtoDAsync(d, v, s, cs); |
| 99 | +} |
| 100 | + |
| 101 | +void Driver_TextureObjectManagement() { |
| 102 | + CUtexObject o{0}; // TODO: need not "{0}". |
| 103 | + CUDA_RESOURCE_DESC R; |
| 104 | + CUDA_TEXTURE_DESC T; |
| 105 | + // CUDA_RESOURCE_VIEW_DESC V; // TODO: need support. |
| 106 | + // cuTexObjectCreate(&o, &R, &T, nullptr /*&V*/); // TODO: need support. |
| 107 | + cuTexObjectDestroy(o); |
| 108 | + // cuTexObjectGetResourceDesc(&R, o); // TODO: need support. |
| 109 | + // cuTexObjectGetTextureDesc(&T, o); // TODO: need support. |
| 110 | +} |
| 111 | + |
| 112 | +int main() { |
| 113 | + Runtime_MemoryManagement(); |
| 114 | + Runtime_TextureObjectManagement(); |
| 115 | + Driver_MemoryManagement(); |
| 116 | + Driver_TextureObjectManagement(); |
| 117 | + cudaTextureObject_t tex{0}; // TODO: need not "{0}". |
| 118 | + CppLanguageExtensions_TextureFunctions<<<1, 1>>>(tex); |
| 119 | + return 0; |
| 120 | +} |
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