Elias Naur 3ae5a37c24 gpu,gpu/gl: introduce Backend
A recent change made the OpenGL functions an interface of the functions
required for the implementation of GPU, a renderer for Gio operations.
That allowed for running Gio on external systems where OpenGL is
available.

However, to allow for non-OpenGL flavored backends such as Vulkan,
Metal and Direct3D, this change introduces Backend for the high-level
operations required by GPU. This change also adds a concrete backend
to package gl.

Type Backend is a first cut heavily based on OpenGL. Future changes will add
more backends, where the Backend interface quite possibly will need refinement.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
2020-02-10 18:22:57 +01:00
2020-02-10 18:22:57 +01:00
2020-02-10 18:22:57 +01:00
2020-02-10 18:22:57 +01:00
2020-02-07 20:41:04 +01:00
2020-01-10 17:52:33 +01:00
2019-10-12 14:04:34 +02:00
2019-03-31 10:47:22 +02:00

Gio

Immediate mode GUI programs in Go for Android, iOS, macOS, Linux, FreeBSD, OpenBSD, Windows, and WebAssembly (experimental). See gioui.org for details and documentation.

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