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framebuffer: split GL code out from cogl-framebuffer.c

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This splits out most of the OpenGL specific code from cogl-framebuffer.c
into cogl-framebuffer-gl.c and extends the CoglDriverVtable interface
for cogl-framebuffer.c to use.

There are hopes to support several different backends for Cogl
eventually to hopefully get us closer to the metal so this makes some
progress in organizing which parts of Cogl are OpenGL specific so these
parts can potentially be switched out later.

The only remaining use of OpenGL still in cogl-framebuffer.c is to
handle cogl_framebuffer_read_pixels.
This commit is contained in:
Robert Bragg
2012-09-01 00:04:00 +01:00
parent 87bc616d34
commit ce5d06afe1
12 changed files with 1403 additions and 1061 deletions
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30
cogl/cogl-renderer.c
View File

@ -78,6 +78,15 @@
typedef const CoglWinsysVtable *(*CoglWinsysVtableGetter) (void);
#ifdef HAVE_COGL_GL
extern const CoglTextureDriver _cogl_texture_driver_gl;
extern const CoglDriverVtable _cogl_driver_gl;
#endif
#if defined (HAVE_COGL_GLES) || defined (HAVE_COGL_GLES2)
extern const CoglTextureDriver _cogl_texture_driver_gles;
extern const CoglDriverVtable _cogl_driver_gles;
#endif
static CoglWinsysVtableGetter _cogl_winsys_vtable_getters[] =
{
#ifdef COGL_HAS_GLX_SUPPORT
@ -332,6 +341,27 @@ found:
#endif /* HAVE_DIRECTLY_LINKED_GL_LIBRARY */
switch (renderer->driver)
{
#ifdef HAVE_COGL_GL
case COGL_DRIVER_GL:
renderer->driver_vtable = &_cogl_driver_gl;
renderer->texture_driver = &_cogl_texture_driver_gl;
break;
#endif
#if defined (HAVE_COGL_GLES) || defined (HAVE_COGL_GLES2)
case COGL_DRIVER_GLES1:
case COGL_DRIVER_GLES2:
renderer->driver_vtable = &_cogl_driver_gles;
renderer->texture_driver = &_cogl_texture_driver_gles;
break;
#endif
default:
g_assert_not_reached ();
}
return TRUE;
}