| 1 | /* gskglattachmentstateprivate.h |
|---|---|
| 2 | * |
| 3 | * Copyright 2020 Christian Hergert <chergert@redhat.com> |
| 4 | * |
| 5 | * This file is free software; you can redistribute it and/or modify it under |
| 6 | * the terms of the GNU Lesser General Public License as published by the Free |
| 7 | * Software Foundation; either version 2.1 of the License, or (at your option) |
| 8 | * any later version. |
| 9 | * |
| 10 | * This file is distributed in the hope that it will be useful, but WITHOUT |
| 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
| 13 | * License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | * |
| 18 | * SPDX-License-Identifier: LGPL-2.1-or-later |
| 19 | */ |
| 20 | |
| 21 | #ifndef __GSK_GL_ATTACHMENT_STATE_PRIVATE_H__ |
| 22 | #define __GSK_GL_ATTACHMENT_STATE_PRIVATE_H__ |
| 23 | |
| 24 | #include "gskgltypesprivate.h" |
| 25 | |
| 26 | G_BEGIN_DECLS |
| 27 | |
| 28 | typedef struct _GskGLAttachmentState GskGLAttachmentState; |
| 29 | typedef struct _GskGLBindFramebuffer GskGLBindFramebuffer; |
| 30 | typedef struct _GskGLBindTexture GskGLBindTexture; |
| 31 | |
| 32 | struct _GskGLBindTexture |
| 33 | { |
| 34 | guint changed : 1; |
| 35 | guint initial : 1; |
| 36 | GLenum target : 30; |
| 37 | GLenum texture; |
| 38 | guint id; |
| 39 | }; |
| 40 | |
| 41 | G_STATIC_ASSERT (sizeof (GskGLBindTexture) == 12); |
| 42 | |
| 43 | struct _GskGLBindFramebuffer |
| 44 | { |
| 45 | guint changed : 1; |
| 46 | guint id : 31; |
| 47 | }; |
| 48 | |
| 49 | G_STATIC_ASSERT (sizeof (GskGLBindFramebuffer) == 4); |
| 50 | |
| 51 | struct _GskGLAttachmentState |
| 52 | { |
| 53 | GskGLBindFramebuffer fbo; |
| 54 | /* Increase if shaders add more textures */ |
| 55 | GskGLBindTexture textures[4]; |
| 56 | guint n_changed; |
| 57 | }; |
| 58 | |
| 59 | GskGLAttachmentState *gsk_gl_attachment_state_new (void); |
| 60 | GskGLAttachmentState *gsk_gl_attachment_state_ref (GskGLAttachmentState *self); |
| 61 | void gsk_gl_attachment_state_unref (GskGLAttachmentState *self); |
| 62 | void gsk_gl_attachment_state_bind_texture (GskGLAttachmentState *self, |
| 63 | GLenum target, |
| 64 | GLenum texture, |
| 65 | guint id); |
| 66 | void gsk_gl_attachment_state_bind_framebuffer (GskGLAttachmentState *self, |
| 67 | guint id); |
| 68 | |
| 69 | G_END_DECLS |
| 70 | |
| 71 | #endif /* __GSK_GL_ATTACHMENT_STATE_PRIVATE_H__ */ |
| 72 |