2 * Copyright © 2012 John Kåre Alsaker
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.
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.
25 #include "compositor.h"
34 typedef void *EGLDisplay;
35 typedef void *EGLSurface;
36 typedef intptr_t EGLNativeDisplayType;
37 typedef intptr_t EGLNativeWindowType;
38 #define EGL_DEFAULT_DISPLAY ((EGLNativeDisplayType)0)
42 enum 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,
49 struct gl_renderer_interface {
50 const EGLint *opaque_attribs;
51 const EGLint *alpha_attribs;
53 int (*create)(struct weston_compositor *ec,
54 EGLNativeDisplayType display,
55 const EGLint *attribs,
56 const EGLint *visual_id);
58 EGLDisplay (*display)(struct weston_compositor *ec);
60 int (*output_create)(struct weston_output *output,
61 EGLNativeWindowType window);
63 void (*output_destroy)(struct weston_output *output);
65 EGLSurface (*output_surface)(struct weston_output *output);
67 /* Sets the output border.
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
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:
80 * +-----------------------+
82 * +-+-------------------+-+
90 * +-+-------------------+-+
92 * +-----------------------+
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);
99 void (*print_egl_error_state)(void);
102 struct gl_renderer_interface gl_renderer_interface;