1 /**************************************************************************
2  *
3  * Copyright 2009 VMware, Inc.  All Rights Reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the
7  * "Software"), to deal in the Software without restriction, including
8  * without limitation the rights to use, copy, modify, merge, publish,
9  * distribute, sub license, and/or sell copies of the Software, and to
10  * permit persons to whom the Software is furnished to do so, subject to
11  * the following conditions:
12  *
13  * The above copyright notice and this permission notice (including the
14  * next paragraph) shall be included in all copies or substantial portions
15  * of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
20  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
21  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24  *
25  **************************************************************************/
26 
27 #ifndef SHADER_H
28 #define SHADER_H
29 
30 #include "VG/openvg.h"
31 
32 struct shader;
33 struct vg_paint;
34 struct vg_context;
35 struct vg_image;
36 struct matrix;
37 
38 struct shader *shader_create(struct vg_context *context);
39 void shader_destroy(struct shader *shader);
40 
41 void shader_set_color_transform(struct shader *shader, VGboolean set);
42 
43 void shader_set_masking(struct shader *shader, VGboolean set);
44 VGboolean shader_is_masking(struct shader *shader);
45 
46 void shader_set_paint(struct shader *shader, struct vg_paint *paint);
47 struct vg_paint *shader_paint(struct shader *shader);
48 
49 void shader_set_image_mode(struct shader *shader, VGImageMode image_mode);
50 VGImageMode shader_image_mode(struct shader *shader);
51 
52 void shader_set_drawing_image(struct shader *shader, VGboolean drawing_image);
53 VGboolean shader_drawing_image(struct shader *shader);
54 
55 void shader_set_image(struct shader *shader, struct vg_image *img);
56 
57 void shader_set_surface_matrix(struct shader *shader,
58                                const struct matrix *mat);
59 void shader_set_paint_matrix(struct shader *shader, const struct matrix *mat);
60 
61 void shader_bind(struct shader *shader);
62 
63 #endif
64