1 /*
2 * SPDX-License-Identifier: GPL-2.0-or-later
3 * QEMU UI Console
4 */
5 #ifndef SURFACE_H
6 #define SURFACE_H
7
8 #include "ui/qemu-pixman.h"
9
10 #ifdef CONFIG_OPENGL
11 # include <epoxy/gl.h>
12 # include "ui/shader.h"
13 #endif
14
15 #define QEMU_ALLOCATED_FLAG 0x01
16 #define QEMU_PLACEHOLDER_FLAG 0x02
17
18 typedef struct DisplaySurface {
19 pixman_image_t *image;
20 uint8_t flags;
21 #ifdef CONFIG_OPENGL
22 GLenum glformat;
23 GLenum gltype;
24 GLuint texture;
25 GLuint mem_obj;
26 #endif
27 qemu_pixman_shareable share_handle;
28 uint32_t share_handle_offset;
29 } DisplaySurface;
30
31 PixelFormat qemu_default_pixelformat(int bpp);
32
33 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
34 pixman_format_code_t format,
35 int linesize, uint8_t *data);
36 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image);
37 DisplaySurface *qemu_create_placeholder_surface(int w, int h,
38 const char *msg);
39
40 void qemu_displaysurface_set_share_handle(DisplaySurface *surface,
41 qemu_pixman_shareable handle,
42 uint32_t offset);
43
44 DisplaySurface *qemu_create_displaysurface(int width, int height);
45 void qemu_free_displaysurface(DisplaySurface *surface);
46
surface_is_allocated(DisplaySurface * surface)47 static inline int surface_is_allocated(DisplaySurface *surface)
48 {
49 return surface->flags & QEMU_ALLOCATED_FLAG;
50 }
51
surface_is_placeholder(DisplaySurface * surface)52 static inline int surface_is_placeholder(DisplaySurface *surface)
53 {
54 return surface->flags & QEMU_PLACEHOLDER_FLAG;
55 }
56
surface_stride(DisplaySurface * s)57 static inline int surface_stride(DisplaySurface *s)
58 {
59 return pixman_image_get_stride(s->image);
60 }
61
surface_data(DisplaySurface * s)62 static inline void *surface_data(DisplaySurface *s)
63 {
64 return pixman_image_get_data(s->image);
65 }
66
surface_width(DisplaySurface * s)67 static inline int surface_width(DisplaySurface *s)
68 {
69 return pixman_image_get_width(s->image);
70 }
71
surface_height(DisplaySurface * s)72 static inline int surface_height(DisplaySurface *s)
73 {
74 return pixman_image_get_height(s->image);
75 }
76
surface_format(DisplaySurface * s)77 static inline pixman_format_code_t surface_format(DisplaySurface *s)
78 {
79 return pixman_image_get_format(s->image);
80 }
81
surface_bits_per_pixel(DisplaySurface * s)82 static inline int surface_bits_per_pixel(DisplaySurface *s)
83 {
84 int bits = PIXMAN_FORMAT_BPP(surface_format(s));
85 return bits;
86 }
87
surface_bytes_per_pixel(DisplaySurface * s)88 static inline int surface_bytes_per_pixel(DisplaySurface *s)
89 {
90 int bits = PIXMAN_FORMAT_BPP(surface_format(s));
91 return DIV_ROUND_UP(bits, 8);
92 }
93
94 #endif
95