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算子功能:对图像做透射变换。
每个算子有两段接口,必须先调用“acldvppWarpPerspectiveGetWorkspaceSize”接口获取入参并根据计算流程计算所需workspace大小,再调用“acldvppWarpPerspective”接口执行计算。两段式接口如下:
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acldvppStatus acldvppWarpPerspectiveGetWorkspaceSize(const aclTensor* self, const aclFloatArray* matrix, uint32_t interpolationMode, uint32_t paddingMode, const aclFloatArray* fill, aclTensor* out, uint64_t *workspaceSize, aclOpExecutor **executor) |
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acldvppStatus acldvppWarpPerspective(void* workspace, uint64_t workspaceSize, aclOpExecutor* executor, aclrtStream stream) |

返回acldvppStatus状态码,具体请参见acldvpp返回码。
返回acldvppStatus状态码,具体请参见acldvpp返回码。