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ffmpeg/libavutil/vulkan.h

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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_VULKAN_H
#define AVUTIL_VULKAN_H
#define VK_NO_PROTOTYPES
#include <stdatomic.h>
#include "thread.h"
#include "pixdesc.h"
#include "bprint.h"
#include "hwcontext.h"
#include "vulkan_functions.h"
#include "hwcontext_vulkan.h"
#include "vulkan_loader.h"
/* GLSL management macros */
#define INDENT(N) INDENT_##N
#define INDENT_0
#define INDENT_1 INDENT_0 " "
#define INDENT_2 INDENT_1 INDENT_1
#define INDENT_3 INDENT_2 INDENT_1
#define INDENT_4 INDENT_3 INDENT_1
#define INDENT_5 INDENT_4 INDENT_1
#define INDENT_6 INDENT_5 INDENT_1
#define C(N, S) INDENT(N) #S "\n"
#define GLSLC(N, S) \
do { \
av_bprintf(&shd->src, C(N, S)); \
} while (0)
#define GLSLA(...) \
do { \
av_bprintf(&shd->src, __VA_ARGS__); \
} while (0)
#define GLSLF(N, S, ...) \
do { \
av_bprintf(&shd->src, C(N, S), __VA_ARGS__); \
} while (0)
#define GLSLD(D) \
do { \
av_bprintf(&shd->src, "\n"); \
av_bprint_append_data(&shd->src, D, strlen(D)); \
av_bprintf(&shd->src, "\n"); \
} while (0)
/* Helper, pretty much every Vulkan return value needs to be checked */
#define RET(x) \
do { \
if ((err = (x)) < 0) \
goto fail; \
} while (0)
#define DUP_SAMPLER(x) { x, x, x, x }
typedef struct FFVkSPIRVShader {
const char *name; /* Name for id/debugging purposes */
AVBPrint src;
int local_size[3]; /* Compute shader workgroup sizes */
VkPipelineShaderStageCreateInfo shader;
VkPipelineShaderStageRequiredSubgroupSizeCreateInfo subgroup_info;
} FFVkSPIRVShader;
typedef struct FFVulkanDescriptorSetBinding {
const char *name;
VkDescriptorType type;
const char *mem_layout; /* Storage images (rgba8, etc.) and buffers (std430, etc.) */
const char *mem_quali; /* readonly, writeonly, etc. */
const char *buf_content; /* For buffers */
uint32_t dimensions; /* Needed for e.g. sampler%iD */
uint32_t elems; /* 0 - scalar, 1 or more - vector */
VkShaderStageFlags stages;
VkSampler samplers[4]; /* Sampler to use for all elems */
} FFVulkanDescriptorSetBinding;
typedef struct FFVkBuffer {
VkBuffer buf;
VkDeviceMemory mem;
VkMemoryPropertyFlagBits flags;
size_t size;
VkDeviceAddress address;
/* Local use only */
VkPipelineStageFlags2 stage;
VkAccessFlags2 access;
/* Only valid when allocated via ff_vk_get_pooled_buffer with HOST_VISIBLE */
uint8_t *mapped_mem;
} FFVkBuffer;
typedef struct FFVkQueueFamilyCtx {
int queue_family;
int nb_queues;
} FFVkQueueFamilyCtx;
typedef struct FFVulkanDescriptorSet {
VkDescriptorSetLayout layout;
FFVkBuffer buf;
uint8_t *desc_mem;
VkDeviceSize layout_size;
VkDeviceSize aligned_size; /* descriptorBufferOffsetAlignment */
VkDeviceSize total_size; /* Once registered to an exec context */
VkBufferUsageFlags usage;
VkDescriptorSetLayoutBinding *binding;
VkDeviceSize *binding_offset;
int nb_bindings;
int read_only;
} FFVulkanDescriptorSet;
typedef struct FFVulkanPipeline {
VkPipelineBindPoint bind_point;
/* Contexts */
VkPipelineLayout pipeline_layout;
VkPipeline pipeline;
/* Push consts */
VkPushConstantRange *push_consts;
int push_consts_num;
/* Workgroup */
int wg_size[3];
/* Descriptors */
FFVulkanDescriptorSet *desc_set;
VkDescriptorBufferBindingInfoEXT *desc_bind;
uint32_t *bound_buffer_indices;
int nb_descriptor_sets;
} FFVulkanPipeline;
typedef struct FFVkExecContext {
uint32_t idx;
const struct FFVkExecPool *parent;
pthread_mutex_t lock;
int had_submission;
/* Queue for the execution context */
VkQueue queue;
int qf;
int qi;
/* Command buffer for the context */
VkCommandBuffer buf;
/* Fence for the command buffer */
VkFence fence;
void *query_data;
int query_idx;
/* Buffer dependencies */
AVBufferRef **buf_deps;
int nb_buf_deps;
unsigned int buf_deps_alloc_size;
/* Frame dependencies */
AVFrame **frame_deps;
unsigned int frame_deps_alloc_size;
int nb_frame_deps;
VkSemaphoreSubmitInfo *sem_wait;
unsigned int sem_wait_alloc;
int sem_wait_cnt;
VkSemaphoreSubmitInfo *sem_sig;
unsigned int sem_sig_alloc;
int sem_sig_cnt;
uint64_t **sem_sig_val_dst;
unsigned int sem_sig_val_dst_alloc;
int sem_sig_val_dst_cnt;
uint8_t *frame_locked;
unsigned int frame_locked_alloc_size;
VkAccessFlagBits *access_dst;
unsigned int access_dst_alloc;
VkImageLayout *layout_dst;
unsigned int layout_dst_alloc;
uint32_t *queue_family_dst;
unsigned int queue_family_dst_alloc;
uint8_t *frame_update;
unsigned int frame_update_alloc_size;
} FFVkExecContext;
typedef struct FFVkExecPool {
FFVkExecContext *contexts;
atomic_int_least64_t idx;
VkCommandPool cmd_buf_pool;
VkCommandBuffer *cmd_bufs;
int pool_size;
VkQueryPool query_pool;
void *query_data;
int query_results;
int query_statuses;
int query_64bit;
int query_status_stride;
int nb_queries;
size_t qd_size;
} FFVkExecPool;
typedef struct FFVulkanContext {
const AVClass *class; /* Filters and encoders use this */
FFVulkanFunctions vkfn;
FFVulkanExtensions extensions;
VkPhysicalDeviceProperties2 props;
VkPhysicalDeviceDriverProperties driver_props;
VkPhysicalDeviceMemoryProperties mprops;
VkPhysicalDeviceExternalMemoryHostPropertiesEXT hprops;
VkPhysicalDeviceDescriptorBufferPropertiesEXT desc_buf_props;
VkPhysicalDeviceSubgroupSizeControlProperties subgroup_props;
VkPhysicalDeviceCooperativeMatrixPropertiesKHR coop_matrix_props;
VkQueueFamilyQueryResultStatusPropertiesKHR *query_props;
VkQueueFamilyVideoPropertiesKHR *video_props;
VkQueueFamilyProperties2 *qf_props;
int tot_nb_qfs;
VkCooperativeMatrixPropertiesKHR *coop_mat_props;
uint32_t coop_mat_props_nb;
VkPhysicalDeviceShaderAtomicFloatFeaturesEXT atomic_float_feats;
VkPhysicalDeviceVulkan12Features feats_12;
VkPhysicalDeviceFeatures2 feats;
AVHWDeviceContext *device;
AVVulkanDeviceContext *hwctx;
AVBufferRef *input_frames_ref;
AVBufferRef *frames_ref;
AVHWFramesContext *frames;
AVVulkanFramesContext *hwfc;
uint32_t qfs[5];
int nb_qfs;
/* Properties */
int output_width;
int output_height;
enum AVPixelFormat output_format;
enum AVPixelFormat input_format;
} FFVulkanContext;
static inline int ff_vk_count_images(AVVkFrame *f)
{
int cnt = 0;
while (cnt < FF_ARRAY_ELEMS(f->img) && f->img[cnt])
cnt++;
return cnt;
}
static inline const void *ff_vk_find_struct(const void *chain, VkStructureType stype)
{
const VkBaseInStructure *in = chain;
while (in) {
if (in->sType == stype)
return in;
in = in->pNext;
}
return NULL;
}
/* Identity mapping - r = r, b = b, g = g, a = a */
extern const VkComponentMapping ff_comp_identity_map;
/**
* Converts Vulkan return values to strings
*/
const char *ff_vk_ret2str(VkResult res);
/**
* Returns 1 if pixfmt is a usable RGB format.
*/
int ff_vk_mt_is_np_rgb(enum AVPixelFormat pix_fmt);
/**
* Returns the format to use for images in shaders.
*/
const char *ff_vk_shader_rep_fmt(enum AVPixelFormat pixfmt);
/**
* Loads props/mprops/driver_props
*/
int ff_vk_load_props(FFVulkanContext *s);
/**
* Chooses a QF and loads it into a context.
*/
int ff_vk_qf_init(FFVulkanContext *s, FFVkQueueFamilyCtx *qf,
VkQueueFlagBits dev_family);
/**
* Allocates/frees an execution pool.
* ff_vk_exec_pool_init_desc() MUST be called if ff_vk_exec_descriptor_set_add()
* has been called.
*/
int ff_vk_exec_pool_init(FFVulkanContext *s, FFVkQueueFamilyCtx *qf,
FFVkExecPool *pool, int nb_contexts,
int nb_queries, VkQueryType query_type, int query_64bit,
const void *query_create_pnext);
void ff_vk_exec_pool_free(FFVulkanContext *s, FFVkExecPool *pool);
/**
* Retrieve an execution pool. Threadsafe.
*/
FFVkExecContext *ff_vk_exec_get(FFVkExecPool *pool);
/**
* Performs nb_queries queries and returns their results and statuses.
* Execution must have been waited on to produce valid results.
*/
VkResult ff_vk_exec_get_query(FFVulkanContext *s, FFVkExecContext *e,
void **data, int64_t *status);
/**
* Start/submit/wait an execution.
* ff_vk_exec_start() always waits on a submission, so using ff_vk_exec_wait()
* is not necessary (unless using it is just better).
*/
int ff_vk_exec_start(FFVulkanContext *s, FFVkExecContext *e);
int ff_vk_exec_submit(FFVulkanContext *s, FFVkExecContext *e);
void ff_vk_exec_wait(FFVulkanContext *s, FFVkExecContext *e);
/**
* Execution dependency management.
* Can attach buffers to executions that will only be unref'd once the
* buffer has finished executing.
* Adding a frame dep will *lock the frame*, until either the dependencies
* are discarded, the execution is submitted, or a failure happens.
* update_frame will update the frame's properties before it is unlocked,
* only if submission was successful.
*/
int ff_vk_exec_add_dep_buf(FFVulkanContext *s, FFVkExecContext *e,
AVBufferRef **deps, int nb_deps, int ref);
int ff_vk_exec_add_dep_frame(FFVulkanContext *s, FFVkExecContext *e, AVFrame *f,
VkPipelineStageFlagBits2 wait_stage,
VkPipelineStageFlagBits2 signal_stage);
void ff_vk_exec_update_frame(FFVulkanContext *s, FFVkExecContext *e, AVFrame *f,
VkImageMemoryBarrier2 *bar, uint32_t *nb_img_bar);
int ff_vk_exec_mirror_sem_value(FFVulkanContext *s, FFVkExecContext *e,
VkSemaphore *dst, uint64_t *dst_val,
AVFrame *f);
void ff_vk_exec_discard_deps(FFVulkanContext *s, FFVkExecContext *e);
/**
* Create an imageview and add it as a dependency to an execution.
*/
int ff_vk_create_imageviews(FFVulkanContext *s, FFVkExecContext *e,
VkImageView views[AV_NUM_DATA_POINTERS],
AVFrame *f);
void ff_vk_frame_barrier(FFVulkanContext *s, FFVkExecContext *e,
AVFrame *pic, VkImageMemoryBarrier2 *bar, int *nb_bar,
VkPipelineStageFlags src_stage,
VkPipelineStageFlags dst_stage,
VkAccessFlagBits new_access,
VkImageLayout new_layout,
uint32_t new_qf);
/**
* Memory/buffer/image allocation helpers.
*/
int ff_vk_alloc_mem(FFVulkanContext *s, VkMemoryRequirements *req,
VkMemoryPropertyFlagBits req_flags, void *alloc_extension,
VkMemoryPropertyFlagBits *mem_flags, VkDeviceMemory *mem);
int ff_vk_create_buf(FFVulkanContext *s, FFVkBuffer *buf, size_t size,
void *pNext, void *alloc_pNext,
VkBufferUsageFlags usage, VkMemoryPropertyFlagBits flags);
int ff_vk_create_avbuf(FFVulkanContext *s, AVBufferRef **ref, size_t size,
void *pNext, void *alloc_pNext,
VkBufferUsageFlags usage, VkMemoryPropertyFlagBits flags);
/**
* Buffer management code.
*/
int ff_vk_map_buffers(FFVulkanContext *s, FFVkBuffer **buf, uint8_t *mem[],
int nb_buffers, int invalidate);
int ff_vk_unmap_buffers(FFVulkanContext *s, FFVkBuffer **buf, int nb_buffers,
int flush);
static inline int ff_vk_map_buffer(FFVulkanContext *s, FFVkBuffer *buf, uint8_t **mem,
int invalidate)
{
return ff_vk_map_buffers(s, (FFVkBuffer *[]){ buf }, mem,
1, invalidate);
}
static inline int ff_vk_unmap_buffer(FFVulkanContext *s, FFVkBuffer *buf, int flush)
{
return ff_vk_unmap_buffers(s, (FFVkBuffer *[]){ buf }, 1, flush);
}
void ff_vk_free_buf(FFVulkanContext *s, FFVkBuffer *buf);
/** Initialize a pool and create AVBufferRefs containing FFVkBuffer.
* Threadsafe to use. Buffers are automatically mapped on creation if
* VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT is set in mem_props. Users should
* synchronize access themselvesd. Mainly meant for device-local buffers. */
int ff_vk_get_pooled_buffer(FFVulkanContext *ctx, AVBufferPool **buf_pool,
AVBufferRef **buf, VkBufferUsageFlags usage,
void *create_pNext, size_t size,
VkMemoryPropertyFlagBits mem_props);
/**
* Create a sampler.
*/
int ff_vk_init_sampler(FFVulkanContext *s, VkSampler *sampler,
int unnorm_coords, VkFilter filt);
/**
* Shader management.
*/
int ff_vk_shader_init(FFVulkanPipeline *pl, FFVkSPIRVShader *shd, const char *name,
VkShaderStageFlags stage, uint32_t required_subgroup_size);
void ff_vk_shader_set_compute_sizes(FFVkSPIRVShader *shd, int x, int y, int z);
void ff_vk_shader_print(void *ctx, FFVkSPIRVShader *shd, int prio);
int ff_vk_shader_create(FFVulkanContext *s, FFVkSPIRVShader *shd,
uint8_t *spirv, size_t spirv_size, const char *entrypoint);
void ff_vk_shader_free(FFVulkanContext *s, FFVkSPIRVShader *shd);
/**
* Add/update push constants for execution.
*/
int ff_vk_add_push_constant(FFVulkanPipeline *pl, int offset, int size,
VkShaderStageFlagBits stage);
void ff_vk_update_push_exec(FFVulkanContext *s, FFVkExecContext *e,
FFVulkanPipeline *pl,
VkShaderStageFlagBits stage,
int offset, size_t size, void *src);
/**
* Add descriptor to a pipeline. Must be called before pipeline init.
*/
int ff_vk_pipeline_descriptor_set_add(FFVulkanContext *s, FFVulkanPipeline *pl,
FFVkSPIRVShader *shd,
FFVulkanDescriptorSetBinding *desc, int nb,
int read_only, int print_to_shader_only);
/* Initialize/free a pipeline. */
int ff_vk_init_compute_pipeline(FFVulkanContext *s, FFVulkanPipeline *pl,
FFVkSPIRVShader *shd);
void ff_vk_pipeline_free(FFVulkanContext *s, FFVulkanPipeline *pl);
/**
* Register a pipeline with an exec pool.
* Pool may be NULL if all descriptor sets are read-only.
*/
int ff_vk_exec_pipeline_register(FFVulkanContext *s, FFVkExecPool *pool,
FFVulkanPipeline *pl);
/* Bind pipeline */
void ff_vk_exec_bind_pipeline(FFVulkanContext *s, FFVkExecContext *e,
FFVulkanPipeline *pl);
/* Update sampler/image/buffer descriptors. e may be NULL for read-only descriptors. */
int ff_vk_set_descriptor_sampler(FFVulkanContext *s, FFVulkanPipeline *pl,
FFVkExecContext *e, int set, int bind, int offs,
VkSampler *sampler);
int ff_vk_set_descriptor_image(FFVulkanContext *s, FFVulkanPipeline *pl,
FFVkExecContext *e, int set, int bind, int offs,
VkImageView view, VkImageLayout layout, VkSampler sampler);
int ff_vk_set_descriptor_buffer(FFVulkanContext *s, FFVulkanPipeline *pl,
FFVkExecContext *e, int set, int bind, int offs,
VkDeviceAddress addr, VkDeviceSize len, VkFormat fmt);
void ff_vk_update_descriptor_img_array(FFVulkanContext *s, FFVulkanPipeline *pl,
FFVkExecContext *e, AVFrame *f,
VkImageView *views, int set, int binding,
VkImageLayout layout, VkSampler sampler);
/**
* Frees main context.
*/
void ff_vk_uninit(FFVulkanContext *s);
#endif /* AVUTIL_VULKAN_H */
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