Commit graph

12 commits

Author SHA1 Message Date
Matthew Waters
8c922ca96b glsl: add a shader stage object GstGLSLStage
Represents a stage (vertex, geometry, fragment, etc) in the shader
pipeline.
2017-12-09 19:32:09 +00:00
Nicolas Dufresne
b0546f9bfa gloverlaycompositor: Hide GstCompsitionOverlay object
This object is only used inside the compositor and does not
need to be expose in libgstgl API.

https://bugzilla.gnome.org/show_bug.cgi?id=745107
2017-12-09 19:32:06 +00:00
Lubosz Sarnecki
4d010efea1 gloverlaycompositor: Add GstGLOverlayCompositor class
Manages the GstGLCompositionOverlay objects,
caches already uploaded overlays and draws them.

https://bugzilla.gnome.org/show_bug.cgi?id=745107
2017-12-09 19:32:06 +00:00
Lubosz Sarnecki
279c2b07b4 glcompositionoverlay: Add class for managing GstVideoOverlayCompositionOverlay buffers
Add a class to store and manage the OpenGL texture,
vertex buffer and GstVideoOverlayRectangle.
Transforms overlay coordinate space to vertex buffer space with aspect ratios in mind.

= Example Pipelines =

Simple pipeline

gst-launch-1.0 videotestsrc ! \
  textoverlay text="Hello World" font-desc="sans bold 30" ! \
  glimagesink

Display 3 static overlays at different positions

gst-launch-1.0 videotestsrc ! \
  textoverlay text="text1" valignment="top" font-desc="sans bold 30" ! \
  textoverlay text="text2" halignment="right" font-desc="sans bold 30" ! \
  textoverlay text="text3" halignment="left" font-desc="sans bold 30" ! \
  glimagesink

Display subtitle file over testsrc

gst-launch-1.0 videotestsrc ! \
  textoverlay name=foo filesrc location=foo.srt ! subparse ! queue ! foo. foo. ! \
  glimagesink

https://bugzilla.gnome.org/show_bug.cgi?id=745107
2017-12-09 19:32:05 +00:00
Jan Schmidt
7b583526e9 gl libs: Add glviewconvert helper object
Add API for a helper object that can convert between different
stereoscopic video representations, and later do filtering
of multiple view streams.

https://bugzilla.gnome.org/show_bug.cgi?id=611157
2017-12-09 19:32:04 +00:00
Matthew Waters
1e87053475 gl: new glbasebuffer GstMemory object
Provides generic handling of GL buffer objects accessible using
the GL bind points (GL_ARRAY_BUFFER, GL_PIXEL_*_BUFFER).

Implementation based off the current GstGLMemory.
2017-12-09 19:32:04 +00:00
Matthew Waters
2ead0d97ed gl: add a new glbasefilter class below glfilter
It deals with propagating the gl display/contexts throughout the
application/pipeline
2017-12-09 19:31:56 +00:00
Matthew Waters
32343333aa gl/upload: add GstGLUploadMeta object
That simply deals with the provider aspect of GstVideoGLTextureUploadMeta.
2017-12-09 19:31:41 +00:00
Matthew Waters
fba49c3463 gl: add colorconvert object that converts between color spaces/formats
Currently used by both upload and download objects separately.
2017-12-09 19:31:36 +00:00
Matthew Waters
e80533dcee [793/906] add a GstGLContext object that will be the basis of OpenGL contexts
At the moment it just sits in between GstGLDisplay and GstGLWindow
performing some of the stuff that GstGLWindow used to do.
2017-12-09 19:31:30 +00:00
Sebastian Dröge
f7998a2e98 [733/906] gl: Major header and include cleanup 2017-12-09 19:31:29 +00:00
Julien Isorce
d17a4381b1 [732/906] build: fix repeated typedefs
Write forward declarations in another way to avoid
repeated typedefs "error: redefinition of typedef".
Raised when using i686-apple-darwin11-llvm-gcc-4.2
It seems that C apple compiler does not support
C11 feature.

https://bugzilla.gnome.org/show_bug.cgi?id=703885
2017-12-09 19:31:29 +00:00