gstgl.glmemory

Module for GLMemory class

Types 1

GstGLMemory is a #GstGLBaseMemory subclass providing support for the mapping of OpenGL textures.

#GstGLMemory is created or wrapped through gstgl.glbase_memory.GLBaseMemory.alloc with #GstGLVideoAllocationParams.

Data is uploaded or downloaded from the GPU as is necessary.

The #GstCaps that is used for #GstGLMemory based buffers should contain the gstgl.types.CAPS_FEATURE_MEMORY_GL_MEMORY as a #GstCapsFeatures and should contain a 'texture-target' field with one of the #GstGLTextureTarget values as a string, i.e. some combination of 'texture-target=(string){2D, rectangle, external-oes}'.

Methods

void * _cPtr(Flag!"Dup" dup = No.Dup)

GType _getGType()

GType _gType() @property

GLMemory self()Returns `this`, for use in `with` statements.

gstgl.glbase_memory.GLBaseMemory mem() @propertyGet `mem` field. Returns: the parent #GstGLBaseMemory object

uint texId() @propertyGet `texId` field. Returns: the GL texture id for this memory

void texId(uint propval) @propertySet `texId` field. Params: propval = the GL texture id for this memory

gstgl.types.GLTextureTarget texTarget() @propertyGet `texTarget` field. Returns: the GL texture target for this memory

void texTarget(gstgl.types.GLTextureTarget propval) @propertySet `texTarget` field. Params: propval = the GL texture target for this memory

gstgl.types.GLFormat texFormat() @propertyGet `texFormat` field. Returns: the texture type

void texFormat(gstgl.types.GLFormat propval) @propertySet `texFormat` field. Params: propval = the texture type

gstvideo.video_info.VideoInfo info() @propertyGet `info` field. Returns: the texture's #GstVideoInfo

gstvideo.video_alignment.VideoAlignment valign() @propertyGet `valign` field. Returns: data alignment for system memory mapping

void valign(gstvideo.video_alignment.VideoAlignment propval) @propertySet `valign` field. Params: propval = data alignment for system memory mapping

uint plane() @propertyGet `plane` field. Returns: data plane in @info

void plane(uint propval) @propertySet `plane` field. Params: propval = data plane in @info

bool textureWrapped() @property

void textureWrapped(bool propval) @property

uint unpackLength() @property

void unpackLength(uint propval) @property

uint texWidth() @property

void texWidth(uint propval) @property

bool copyInto(uint  texId,  gstgl.types.GLTextureTarget target,  gstgl.types.GLFormat texFormat,  int  width,  int  height)

Copies gl_mem into the texture specified by tex_id. The format of tex_id is specified by tex_format, width and height.

bool copyTeximage(uint  texId,  gstgl.types.GLTextureTarget outTarget,  gstgl.types.GLFormat outTexFormat,  int  outWidth,  int  outHeight)

Copies the texture in #GstGLMemory into the texture specified by tex_id, out_target, out_tex_format, out_width and out_height.

gstgl.types.GLFormat getTextureFormat()

int getTextureHeight()

uint getTextureId()

gstgl.types.GLTextureTarget getTextureTarget()

int getTextureWidth()

void init_(gst.allocator.Allocator allocator,  gst.memory.Memory parent,  gstgl.glcontext.GLContext context,  gstgl.types.GLTextureTarget target,  gstgl.types.GLFormat texFormat,  gst.allocation_params.AllocationParams params,  gstvideo.video_info.VideoInfo info,  uint  plane,  gstvideo.video_alignment.VideoAlignment valign,  void *  userData =  null,  glib.types.DestroyNotify notify =  null)

Initializes mem with the required parameters. info is assumed to have already have been modified with [gstvideo.video_info.VideoInfo.align_].

bool readPixels(void * writePointer = null)Reads the texture in #GstGLMemory into write_pointer if no buffer is bound to `GL_PIXEL_PACK_BUFFER`. Otherwise write_pointer is the byte offset into the currently bound `GL_PIXEL_PACK_BUFFER` buf...

void texsubimage(void * readPointer = null)Reads the texture in read_pointer into gl_mem.

void initOnce()Initializes the GL Base Texture allocator. It is safe to call this function multiple times. This must be called before any other GstGLMemory operation.

Constructors

this(uint  texId =  uint.init,  gstgl.types.GLTextureTarget texTarget =  gstgl.types.GLTextureTarget.init,  gstgl.types.GLFormat texFormat =  gstgl.types.GLFormat.init,  gstvideo.video_alignment.VideoAlignment valign =  gstvideo.video_alignment.VideoAlignment.init,  uint  plane =  uint.init,  bool  textureWrapped =  bool.init,  uint  unpackLength =  uint.init,  uint  texWidth =  uint.init)

Create a `glmemory.GLMemory` boxed type. Params: texId = the GL texture id for this memory texTarget = the GL texture target for this memory texFormat = the texture type valign = data alignment for...

this(void * ptr, Flag!"Take" take)