mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-05 14:16:06 +00:00
glbasememory: add a generic interface for allocating GL memories
This is made possible by a subclassable GstGLAllocationParams that holds the allocation parameters Every allocation would now go through gst_gl_base_memory_alloc with the allocation parameters now being specified in a single struct to allow extension by different allocators.
This commit is contained in:
Matthew Waters
Tim-Philipp Müller
parent
4cb42d34c6
commit
93215927a9
|
|
@ -505,3 +505,139 @@ gst_gl_base_memory_memcpy (GstGLBaseMemory * src, GstGLBaseMemory * dest,
|
|||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_gl_allocation_params_init:
|
||||
* @params: the #GstGLAllocationParams to initialize
|
||||
* @struct_size: the struct size of the implementation
|
||||
* @alloc: some alloc flags
|
||||
* @copy: a copy function
|
||||
* @free: a free function
|
||||
* @context: (transfer none): a #GstGLContext
|
||||
* @alloc_size: the number of bytes to allocate.
|
||||
* @alloc_params: (transfer none) (allow-none): a #GstAllocationParams to apply
|
||||
* @notify: (allow-none): a #GDestroyNotify
|
||||
* @user_data: (transfer none) (allow-none): user data to call @notify with
|
||||
* @wrapped_data: (transfer none) (allow-none): a sysmem data pointer to initialize the allocation with
|
||||
* @gl_handle: (transfer none): a GL handle to initialize the allocation with
|
||||
*
|
||||
* @notify will be called once for each allocated memory using these @params
|
||||
* when freeing the memory.
|
||||
*
|
||||
* Returns: whether the paramaters could be initialized
|
||||
*/
|
||||
gboolean
|
||||
gst_gl_allocation_params_init (GstGLAllocationParams * params,
|
||||
gsize struct_size, guint alloc_flags, GstGLAllocationParamsCopyFunc copy,
|
||||
GstGLAllocationParamsFreeFunc free, GstGLContext * context,
|
||||
gsize alloc_size, GstAllocationParams * alloc_params,
|
||||
GDestroyNotify notify, gpointer user_data, gpointer wrapped_data,
|
||||
guint gl_handle)
|
||||
{
|
||||
memset (params, 0, sizeof (*params));
|
||||
|
||||
g_return_val_if_fail (struct_size > 0, FALSE);
|
||||
g_return_val_if_fail (copy != NULL, FALSE);
|
||||
g_return_val_if_fail (free != NULL, FALSE);
|
||||
g_return_val_if_fail (GST_IS_GL_CONTEXT (context), FALSE);
|
||||
|
||||
params->struct_size = struct_size;
|
||||
params->alloc_size = alloc_size;
|
||||
params->copy = copy;
|
||||
params->free = free;
|
||||
params->alloc_flags = alloc_flags;
|
||||
params->context = gst_object_ref (context);
|
||||
if (alloc_params)
|
||||
params->alloc_params = gst_allocation_params_copy (alloc_params);
|
||||
params->notify = notify;
|
||||
params->user_data = user_data;
|
||||
params->wrapped_data = wrapped_data;
|
||||
params->gl_handle = gl_handle;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_gl_allocation_params_copy:
|
||||
* @src: the #GstGLAllocationParams to initialize
|
||||
*
|
||||
* Returns: a copy of the #GstGLAllocationParams specified by @src or %NULL on
|
||||
* failure
|
||||
*/
|
||||
GstGLAllocationParams *
|
||||
gst_gl_allocation_params_copy (GstGLAllocationParams * src)
|
||||
{
|
||||
GstGLAllocationParams *dest;
|
||||
|
||||
g_return_val_if_fail (src != NULL, NULL);
|
||||
|
||||
dest = g_malloc0 (src->struct_size);
|
||||
|
||||
if (src->copy)
|
||||
src->copy (src, dest);
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_gl_allocation_params_free:
|
||||
* @params: the #GstGLAllocationParams to initialize
|
||||
*
|
||||
* Frees the #GstGLAllocationParams and all associated data.
|
||||
*/
|
||||
void
|
||||
gst_gl_allocation_params_free (GstGLAllocationParams * params)
|
||||
{
|
||||
if (params->free)
|
||||
params->free (params);
|
||||
|
||||
g_free (params);
|
||||
}
|
||||
|
||||
void
|
||||
gst_gl_allocation_params_free_data (GstGLAllocationParams * params)
|
||||
{
|
||||
if (params->context)
|
||||
gst_object_unref (params->context);
|
||||
if (params->alloc_params)
|
||||
gst_allocation_params_free (params->alloc_params);
|
||||
}
|
||||
|
||||
void
|
||||
gst_gl_allocation_params_copy_data (GstGLAllocationParams * src,
|
||||
GstGLAllocationParams * dest)
|
||||
{
|
||||
gst_gl_allocation_params_init (dest, src->struct_size, src->alloc_flags,
|
||||
src->copy, src->free, NULL, src->alloc_size, NULL, src->notify,
|
||||
src->user_data, src->wrapped_data, src->gl_handle);
|
||||
|
||||
if (src->context)
|
||||
dest->context = gst_object_ref (src->context);
|
||||
if (src->alloc_params)
|
||||
dest->alloc_params = gst_allocation_params_copy (src->alloc_params);
|
||||
}
|
||||
|
||||
G_DEFINE_BOXED_TYPE (GstGLAllocationParams, gst_gl_allocation_params,
|
||||
(GBoxedCopyFunc) gst_gl_allocation_params_copy,
|
||||
(GBoxedFreeFunc) gst_gl_allocation_params_free);
|
||||
|
||||
/**
|
||||
* gst_gl_base_memory_alloc:
|
||||
* @allocator: a #GstGLBaseMemoryAllocator
|
||||
* @params: the #GstGLAllocationParams to allocate the memory with
|
||||
*
|
||||
* Returns: a new #GstGLBaseMemory from @allocator with the requested @params.
|
||||
*/
|
||||
GstGLBaseMemory *
|
||||
gst_gl_base_memory_alloc (GstGLBaseMemoryAllocator * allocator,
|
||||
GstGLAllocationParams * params)
|
||||
{
|
||||
GstGLBaseMemoryAllocatorClass *alloc_class;
|
||||
|
||||
alloc_class = GST_GL_BASE_MEMORY_ALLOCATOR_GET_CLASS (allocator);
|
||||
|
||||
g_return_val_if_fail (alloc_class != NULL, NULL);
|
||||
g_return_val_if_fail (alloc_class->alloc != NULL, NULL);
|
||||
|
||||
return alloc_class->alloc (allocator, params);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -97,11 +97,77 @@ struct _GstGLBaseMemory
|
|||
gpointer user_data;
|
||||
};
|
||||
|
||||
typedef gboolean (*GstGLBaseMemoryAllocatorCreateFunction) (GstGLBaseMemory * mem, GError ** error);
|
||||
typedef gpointer (*GstGLBaseMemoryAllocatorMapFunction) (GstGLBaseMemory * mem, GstMapInfo * info, gsize maxsize);
|
||||
typedef void (*GstGLBaseMemoryAllocatorUnmapFunction) (GstGLBaseMemory * mem, GstMapInfo * info);
|
||||
typedef GstGLBaseMemory * (*GstGLBaseMemoryAllocatorCopyFunction) (GstGLBaseMemory * mem, gssize offset, gssize size);
|
||||
typedef void (*GstGLBaseMemoryAllocatorDestroyFunction) (GstGLBaseMemory * mem);
|
||||
typedef struct _GstGLAllocationParams GstGLAllocationParams;
|
||||
/* subclass has to compose with the parent class */
|
||||
typedef void (*GstGLAllocationParamsCopyFunc) (GstGLAllocationParams * src, GstGLAllocationParams * dest);
|
||||
/* subclass has to compose with the parent class */
|
||||
typedef void (*GstGLAllocationParamsFreeFunc) (gpointer params);
|
||||
|
||||
#define GST_TYPE_GL_ALLOCATION_PARAMS (gst_gl_allocation_params_get_type())
|
||||
GType gst_gl_allocation_params_get_type (void);
|
||||
|
||||
#define GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_ALLOC (1 << 0)
|
||||
#define GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_SYSMEM (1 << 1)
|
||||
#define GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_GPU_HANDLE (1 << 2)
|
||||
#define GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_USER (1 << 16)
|
||||
|
||||
/* Because GstAllocationParams is not subclassable, start our own subclass
|
||||
* chain. FIXME: 2.0 make GstAllocationParams subclassable */
|
||||
struct _GstGLAllocationParams
|
||||
{
|
||||
gsize struct_size;
|
||||
GstGLAllocationParamsCopyFunc copy;
|
||||
GstGLAllocationParamsFreeFunc free;
|
||||
|
||||
guint alloc_flags;
|
||||
gsize alloc_size;
|
||||
GstAllocationParams *alloc_params;
|
||||
GstGLContext *context;
|
||||
GDestroyNotify notify;
|
||||
gpointer user_data;
|
||||
|
||||
/* GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_SYSMEM only */
|
||||
gpointer wrapped_data;
|
||||
/* GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_GPU_HANDLE only */
|
||||
guint gl_handle;
|
||||
};
|
||||
|
||||
gboolean gst_gl_allocation_params_init (GstGLAllocationParams * params,
|
||||
gsize struct_size,
|
||||
guint alloc_flags,
|
||||
GstGLAllocationParamsCopyFunc copy,
|
||||
GstGLAllocationParamsFreeFunc free,
|
||||
GstGLContext * context,
|
||||
gsize alloc_size,
|
||||
GstAllocationParams * alloc_params,
|
||||
GDestroyNotify notify,
|
||||
gpointer user_data,
|
||||
gpointer wrapped_data,
|
||||
guint gl_handle);
|
||||
|
||||
/* free with gst_gl_allocation_params_free */
|
||||
GstGLAllocationParams * gst_gl_allocation_params_copy (GstGLAllocationParams * src);
|
||||
void gst_gl_allocation_params_free (GstGLAllocationParams * params);
|
||||
|
||||
/* subclass usage */
|
||||
void gst_gl_allocation_params_free_data (GstGLAllocationParams * params);
|
||||
/* subclass usage */
|
||||
void gst_gl_allocation_params_copy_data (GstGLAllocationParams * src,
|
||||
GstGLAllocationParams * dest);
|
||||
|
||||
typedef GstGLBaseMemory * (*GstGLBaseMemoryAllocatorAllocFunction) (GstGLBaseMemoryAllocator * allocator,
|
||||
GstGLAllocationParams * params);
|
||||
typedef gboolean (*GstGLBaseMemoryAllocatorCreateFunction) (GstGLBaseMemory * mem,
|
||||
GError ** error);
|
||||
typedef gpointer (*GstGLBaseMemoryAllocatorMapFunction) (GstGLBaseMemory * mem,
|
||||
GstMapInfo * info,
|
||||
gsize maxsize);
|
||||
typedef void (*GstGLBaseMemoryAllocatorUnmapFunction) (GstGLBaseMemory * mem,
|
||||
GstMapInfo * info);
|
||||
typedef GstGLBaseMemory * (*GstGLBaseMemoryAllocatorCopyFunction) (GstGLBaseMemory * mem,
|
||||
gssize offset,
|
||||
gssize size);
|
||||
typedef void (*GstGLBaseMemoryAllocatorDestroyFunction) (GstGLBaseMemory * mem);
|
||||
|
||||
/**
|
||||
* GstGLBaseMemoryAllocator
|
||||
|
|
@ -123,6 +189,8 @@ struct _GstGLBaseMemoryAllocatorClass
|
|||
{
|
||||
GstAllocatorClass parent_class;
|
||||
|
||||
GstGLBaseMemoryAllocatorAllocFunction alloc;
|
||||
|
||||
GstGLBaseMemoryAllocatorCreateFunction create;
|
||||
GstGLBaseMemoryAllocatorMapFunction map;
|
||||
#if 0
|
||||
|
|
@ -161,6 +229,9 @@ gboolean gst_gl_base_memory_memcpy (GstGLBaseMemory * src,
|
|||
gssize offset,
|
||||
gssize size);
|
||||
|
||||
GstGLBaseMemory * gst_gl_base_memory_alloc (GstGLBaseMemoryAllocator * allocator,
|
||||
GstGLAllocationParams * params);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* _GST_GL_BUFFER_H_ */
|
||||
|
|
|
|||
Loading…
Reference in a new issue