We'd like to support Gio using a different renderer binding than
the builtin. A first step is to define the Functions interface
in package gl, and extract the concrete implementations to a
separate package.
Updates #26
Signed-off-by: Elias Naur <mail@eliasnaur.com>
As noted in #49, GL_EXT_color_buffer_half_float is required for
GL_OES_texture_half_float to be useful for FBOs.
Updates #49
Signed-off-by: Elias Naur <mail@eliasnaur.com>
Remove dependency on EXT_color_buffer_half_float, it's not clear it's
necessary. In any case the following FBO sanity check will catch invalid
FBO format combinations.
Updates #49
Signed-off-by: Elias Naur <mail@eliasnaur.com>
The policy of rendering on a separate goroutine is separate from
the actual rendering. Reflect that by introducing the RenderLoop
type for driving a GPU from a separate goroutine.
Signed-off-by: Elias Naur <mail@eliasnaur.com>
Elias Naur