[FFmpeg-devel] [PATCH V4 3/5] libavutil/hwcontext_vulkan: Allocate vkFrame in one memory

[Chen, Wenbin]

> Quoting Wenbin Chen (2021-11-30 07:28:13)
> > diff --git a/libavutil/hwcontext_vulkan.h b/libavutil/hwcontext_vulkan.h
> > index fdf2a60156..c485ee7437 100644
> > --- a/libavutil/hwcontext_vulkan.h
> > +++ b/libavutil/hwcontext_vulkan.h
> > @@ -35,6 +35,17 @@
> >   * with the data pointer set to an AVVkFrame.
> >   */
> >
> > +/**
> > + * Defines the behaviour of frame allocation
> > + * AV_VK_FRAME_FLAG_NONE: planes will be allocated in separte
> memory
> > + * AV_VK_FRAME_FLAG_CONTIGUOUS_MEMORY: planes will be allocated
> in a
> > + * contiguous memory.
> > + */
> > +typedef enum {
> > +    AV_VK_FRAME_FLAG_NONE = (1ULL << 0),
> > +    AV_VK_FRAME_FLAG_CONTIGUOUS_MEMORY = (1ULL << 1) | 1ULL
> > +} AVVkFrameFlags;
> > +
> >  /**
> >   * Main Vulkan context, allocated as AVHWDeviceContext.hwctx.
> >   * All of these can be set before init to change what the context uses
> > @@ -157,6 +168,14 @@ typedef struct AVVulkanFramesContext {
> >       */
> >      void *create_pnext;
> >
> > +    /**
> > +     * Is a combination of AVVkFrameFlags. Defines the behaviour of frame
> > +     * allocation.
> > +     * If no flag is set, then the flags are automatically determined
> > +     * based on the device.
> > +     */
> > +    int flags;
> > +
> >      /**
> >       * Extension data for memory allocation. Must have as many entries as
> >       * the number of planes of the sw_format.
> > @@ -198,6 +217,11 @@ typedef struct AVVkFrame {
> >      VkDeviceMemory mem[AV_NUM_DATA_POINTERS];
> >      size_t size[AV_NUM_DATA_POINTERS];
> >
> > +    /**
> > +     * Describe the offset from the memory currently bound to the VkImage.
> > +     */
> > +    size_t offset[AV_NUM_DATA_POINTERS];
> > +
> 
> These are public structs, you have to add any new fields at the end or
> you will break ABI compatibility.
> 
> --
> Anton Khirnov

Will resubmit the patchset. Thanks

Wenbin

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