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John Kåre Alsaker30d2b1f2012-11-13 19:10:28 +01001/*
2 * Copyright © 2012 John Kåre Alsaker
3 *
4 * Permission to use, copy, modify, distribute, and sell this software and
5 * its documentation for any purpose is hereby granted without fee, provided
6 * that the above copyright notice appear in all copies and that both that
7 * copyright notice and this permission notice appear in supporting
8 * documentation, and that the name of the copyright holders not be used in
9 * advertising or publicity pertaining to distribution of the software
10 * without specific, written prior permission. The copyright holders make
11 * no representations about the suitability of this software for any
12 * purpose. It is provided "as is" without express or implied warranty.
13 *
14 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
15 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
16 * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
17 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
18 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
19 * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
20 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 */
22
Daniel Stonec228e232013-05-22 18:03:19 +030023#include "config.h"
24
25#include "compositor.h"
John Kåre Alsaker30d2b1f2012-11-13 19:10:28 +010026
Vasily Khoruzhick1bfe2e62013-01-08 19:09:02 +030027#ifdef ENABLE_EGL
28
John Kåre Alsaker30d2b1f2012-11-13 19:10:28 +010029#include <EGL/egl.h>
30
Vasily Khoruzhick1bfe2e62013-01-08 19:09:02 +030031#else
32
33typedef int EGLint;
Vasily Khoruzhick26def5c2013-01-11 13:50:45 +030034typedef void *EGLDisplay;
35typedef void *EGLSurface;
36typedef intptr_t EGLNativeDisplayType;
37typedef intptr_t EGLNativeWindowType;
Kristian Høgsberg9acd3742013-10-11 15:25:42 -070038#define EGL_DEFAULT_DISPLAY NULL
Vasily Khoruzhick1bfe2e62013-01-08 19:09:02 +030039
Vasily Khoruzhick1bfe2e62013-01-08 19:09:02 +030040#endif
Ander Conselvan de Oliveira97f29522013-10-14 15:57:11 +030041
Jason Ekstrand0b61bf42013-10-27 22:24:54 -050042enum gl_renderer_border_side {
43 GL_RENDERER_BORDER_TOP = 0,
44 GL_RENDERER_BORDER_LEFT = 1,
45 GL_RENDERER_BORDER_RIGHT = 2,
46 GL_RENDERER_BORDER_BOTTOM = 3,
47};
48
Ander Conselvan de Oliveira97f29522013-10-14 15:57:11 +030049struct gl_renderer_interface {
50 const EGLint *opaque_attribs;
51 const EGLint *alpha_attribs;
52
53 int (*create)(struct weston_compositor *ec,
54 EGLNativeDisplayType display,
55 const EGLint *attribs,
56 const EGLint *visual_id);
57
58 EGLDisplay (*display)(struct weston_compositor *ec);
59
60 int (*output_create)(struct weston_output *output,
61 EGLNativeWindowType window);
62
63 void (*output_destroy)(struct weston_output *output);
64
65 EGLSurface (*output_surface)(struct weston_output *output);
66
Jason Ekstrand0b61bf42013-10-27 22:24:54 -050067 /* Sets the output border.
68 *
69 * The side specifies the side for which we are setting the border.
70 * The width and height are the width and height of the border.
71 * The tex_width patemeter specifies the width of the actual
72 * texture; this may be larger than width if the data is not
73 * tightly packed.
74 *
75 * The top and bottom textures will extend over the sides to the
76 * full width of the bordered window while. The right and left
77 * edges, however, will extend only to the top and bottom of the
78 * compositor surface. This is demonstrated by the picture below:
79 *
80 * +-----------------------+
81 * | TOP |
82 * +-+-------------------+-+
83 * | | | |
84 * |L| |R|
85 * |E| |I|
86 * |F| |G|
87 * |T| |H|
88 * | | |T|
89 * | | | |
90 * +-+-------------------+-+
91 * | BOTTOM |
92 * +-----------------------+
93 */
94 void (*output_set_border)(struct weston_output *output,
95 enum gl_renderer_border_side side,
96 int32_t width, int32_t height,
97 int32_t tex_width, unsigned char *data);
98
Ander Conselvan de Oliveira97f29522013-10-14 15:57:11 +030099 void (*set_border)(struct weston_compositor *ec,
100 int32_t width, int32_t height,
101 void *data, int32_t *edges);
102
103 void (*print_egl_error_state)(void);
104};
105
106struct gl_renderer_interface gl_renderer_interface;