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egl: Add more API used when rendering

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Eventually, we'll render buffers without using Cogl, and for this we
need to be able to do things like creating, destroying and changing the
context, as well as swapping buffers.

https://bugzilla.gnome.org/show_bug.cgi?id=785381
This commit is contained in:
Jonas Ådahl 2017-07-24 17:17:25 +08:00
parent 802f7dcd30
commit 2d8827cb0c
2 changed files with 91 additions and 0 deletions
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67
src/backends/meta-egl.c
View File

@ -422,6 +422,41 @@ meta_egl_terminate (MetaEgl *egl,
return TRUE; return TRUE;
} }
EGLContext
meta_egl_create_context (MetaEgl *egl,
EGLDisplay display,
EGLConfig config,
EGLContext share_context,
const EGLint *attrib_list,
GError **error)
{
EGLContext context;
context = eglCreateContext (display, config, share_context, attrib_list);
if (context == EGL_NO_CONTEXT)
{
set_egl_error (error);
return EGL_NO_CONTEXT;
}
return context;
}
gboolean
meta_egl_destroy_context (MetaEgl *egl,
EGLDisplay display,
EGLContext context,
GError **error)
{
if (!eglDestroyContext (display, context))
{
set_egl_error (error);
return FALSE;
}
return TRUE;
}
EGLImageKHR EGLImageKHR
meta_egl_create_image (MetaEgl *egl, meta_egl_create_image (MetaEgl *egl,
EGLDisplay display, EGLDisplay display,
@ -465,6 +500,38 @@ meta_egl_destroy_image (MetaEgl *egl,
return TRUE; return TRUE;
} }
gboolean
meta_egl_make_current (MetaEgl *egl,
EGLDisplay display,
EGLSurface draw,
EGLSurface read,
EGLContext context,
GError **error)
{
if (!eglMakeCurrent (display, draw, read, context))
{
set_egl_error (error);
return FALSE;
}
return TRUE;
}
gboolean
meta_egl_swap_buffers (MetaEgl *egl,
EGLDisplay display,
EGLSurface surface,
GError **error)
{
if (!eglSwapBuffers (display, surface))
{
set_egl_error (error);
return FALSE;
}
return TRUE;
}
gboolean gboolean
meta_egl_query_wayland_buffer (MetaEgl *egl, meta_egl_query_wayland_buffer (MetaEgl *egl,
EGLDisplay display, EGLDisplay display,

24
src/backends/meta-egl.h
View File

@ -62,6 +62,18 @@ gboolean meta_egl_choose_config (MetaEgl *egl,
EGLConfig *chosen_config, EGLConfig *chosen_config,
GError **error); GError **error);
EGLContext meta_egl_create_context (MetaEgl *egl,
EGLDisplay display,
EGLConfig config,
EGLContext share_context,
const EGLint *attrib_list,
GError **error);
gboolean meta_egl_destroy_context (MetaEgl *egl,
EGLDisplay display,
EGLContext context,
GError **error);
EGLImageKHR meta_egl_create_image (MetaEgl *egl, EGLImageKHR meta_egl_create_image (MetaEgl *egl,
EGLDisplay display, EGLDisplay display,
EGLContext context, EGLContext context,
@ -103,6 +115,18 @@ gboolean meta_egl_terminate (MetaEgl *egl,
EGLDisplay display, EGLDisplay display,
GError **error); GError **error);
gboolean meta_egl_make_current (MetaEgl *egl,
EGLDisplay display,
EGLSurface draw,
EGLSurface read,
EGLContext context,
GError **error);
gboolean meta_egl_swap_buffers (MetaEgl *egl,
EGLDisplay display,
EGLSurface surface,
GError **error);
gboolean meta_egl_query_wayland_buffer (MetaEgl *egl, gboolean meta_egl_query_wayland_buffer (MetaEgl *egl,
EGLDisplay display, EGLDisplay display,
struct wl_resource *buffer, struct wl_resource *buffer,