65 lines
3.5 KiB
C
65 lines
3.5 KiB
C
// SPDX-License-Identifier: BSD-2-Clause
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// Copyright © 2021 Billy Laws
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdbool.h>
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#include "priv.h"
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/**
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* @brief Opens a new libvulkan.so instance according to `flags`
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* @param dlopenMode The dlopen mode to use when opening libvulkan
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* @param featureFlags Which adrenotools driver features to enable
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* @param tmpLibDir A writable directory to hold patched libraries, only used on api < 29 due to the lack of memfd support. If nullptr is passed and the API version is < 29 memfd usage will be attempted and if unsupported nullptr will be returned
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* @param hookLibDir The directory holding the built hooks
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* @param customDriverDir The directory to load a custom GPU driver named according to `customDriverName` from. Only used if ADRENOTOOLS_DRIVER_CUSTOM is set in `featureFlags`
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* @param customDriverName The soname of the custom driver to load. Only used if ADRENOTOOLS_DRIVER_CUSTOM is set in `featureFlags`
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* @param fileRedirectDir The directory which to redirect all file accesses performed by the driver to. Only used if ADRENOTOOLS_DRIVER_FILE_REDIRECT is set in `featureFlags`
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* @param userMappingHandle A pointer to a void* which will be set to the mapping handle if ADRENOTOOLS_DRIVER_GPU_MAPPING_IMPORT is set in `featureFlags`
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*/
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void *adrenotools_open_libvulkan(int dlopenMode, int featureFlags, const char *tmpLibDir, const char *hookLibDir, const char *customDriverDir, const char *customDriverName, const char *fileRedirectDir, void **userMappingHandle);
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/**
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* @brief Imports the given CPU mapped memory range into the GSL allocator. This should then be followed by a call to vkAllocateMemory with a matching size which will return a VkDeviceMemory view over the input region
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* @param handle Mapping handle that was returned by adrenotools_open_libvulkan
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* @param hostPtr The host pointer to import
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* @param size The size of the region to import
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* @return True on success
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*/
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bool adrenotools_import_user_mem(void *handle, void *hostPtr, uint64_t size);
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/**
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* @brief Maps GPU memory and imports it into the GSL allocator. This should then be followed by a call to adrenotools_mem_cpu_map to map the memory on the CPU, then finally vkAllocateMemory with a matching size
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* @param handle Mapping handle that was returned by adrenotools_open_libvulkan
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* @param size Pointer to a variable containing the size of the region to import, will be updated to contain the required size of the region to allocate CPU side
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* @return true on success
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*/
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bool adrenotools_mem_gpu_allocate(void *handle, uint64_t *size);
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/**
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* @brief Maps the last mapping allocated using adrenotools_mem_gpu_allocate into the given host memory region, such that vkAllocateMemory can then be called
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* @param handle Mapping handle that was returned by adrenotools_open_libvulkan
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* @param hostPtr A pointer to where the mapping should be mapped
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* @param size The size of the mapping. MUST be equal to the size returned by adrenotools_mem_gpu_allocate
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*/
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bool adrenotools_mem_cpu_map(void *handle, void *hostPtr, uint64_t size);
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/**
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* @note This function should be called after adrenotools_open_libvulkan and Vulkan driver init to check if the mapping import hook loaded successfully
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* @return True if the mapping was successfully imported (or initialization succeeded)
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*/
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bool adrenotools_validate_gpu_mapping(void *handle);
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/**
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* @brief Provides a way to force the GPU to run at the maximum possible clocks (thermal constraints will still be applied)
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*/
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void adrenotools_set_turbo(bool turbo);
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#ifdef __cplusplus
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}
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#endif
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