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/* gsknglattachmentstateprivate.h
*
* Copyright 2020 Christian Hergert <chergert@redhat.com>
*
* This file is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This file is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#ifndef __GSK_NGL_ATTACHMENT_STATE_PRIVATE_H__
#define __GSK_NGL_ATTACHMENT_STATE_PRIVATE_H__
#include "gskngltypesprivate.h"
G_BEGIN_DECLS
typedef struct _GskNglAttachmentState GskNglAttachmentState;
typedef struct _GskNglBindFramebuffer GskNglBindFramebuffer;
typedef struct _GskNglBindTexture GskNglBindTexture;
struct _GskNglBindTexture
{
guint changed : 1;
guint initial : 1;
GLenum target : 30;
GLenum texture;
guint id;
};
G_STATIC_ASSERT (sizeof (GskNglBindTexture) == 12);
struct _GskNglBindFramebuffer
{
guint changed : 1;
guint id : 31;
};
G_STATIC_ASSERT (sizeof (GskNglBindFramebuffer) == 4);
struct _GskNglAttachmentState
{
GskNglBindFramebuffer fbo;
/* Increase if shaders add more textures */
GskNglBindTexture textures[4];
guint n_changed;
};
GskNglAttachmentState *gsk_ngl_attachment_state_new (void);
GskNglAttachmentState *gsk_ngl_attachment_state_ref (GskNglAttachmentState *self);
void gsk_ngl_attachment_state_unref (GskNglAttachmentState *self);
void gsk_ngl_attachment_state_bind_texture (GskNglAttachmentState *self,
GLenum target,
GLenum texture,
guint id);
void gsk_ngl_attachment_state_bind_framebuffer (GskNglAttachmentState *self,
guint id);
G_END_DECLS
#endif /* __GSK_NGL_ATTACHMENT_STATE_PRIVATE_H__ */
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