xref: /openbmc/qemu/include/ui/egl-helpers.h (revision 39324b49)
1 #ifndef EGL_HELPERS_H
2 #define EGL_HELPERS_H
3 
4 #include <epoxy/gl.h>
5 #include <epoxy/egl.h>
6 #ifdef CONFIG_GBM
7 #include <gbm.h>
8 #endif
9 #include "ui/console.h"
10 #include "ui/shader.h"
11 
12 extern EGLDisplay *qemu_egl_display;
13 extern EGLConfig qemu_egl_config;
14 extern DisplayGLMode qemu_egl_mode;
15 
16 typedef struct egl_fb {
17     int width;
18     int height;
19     GLuint texture;
20     GLuint framebuffer;
21     bool delete_texture;
22     QemuDmaBuf *dmabuf;
23 } egl_fb;
24 
25 #define EGL_FB_INIT { 0, }
26 
27 void egl_fb_destroy(egl_fb *fb);
28 void egl_fb_setup_default(egl_fb *fb, int width, int height);
29 void egl_fb_setup_for_tex(egl_fb *fb, int width, int height,
30                           GLuint texture, bool delete);
31 void egl_fb_setup_new_tex(egl_fb *fb, int width, int height);
32 void egl_fb_blit(egl_fb *dst, egl_fb *src, bool flip);
33 void egl_fb_read(DisplaySurface *dst, egl_fb *src);
34 
35 void egl_texture_blit(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip);
36 void egl_texture_blend(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip,
37                        int x, int y, double scale_x, double scale_y);
38 
39 extern EGLContext qemu_egl_rn_ctx;
40 
41 #ifdef CONFIG_GBM
42 
43 extern int qemu_egl_rn_fd;
44 extern struct gbm_device *qemu_egl_rn_gbm_dev;
45 
46 int egl_rendernode_init(const char *rendernode, DisplayGLMode mode);
47 int egl_get_fd_for_texture(uint32_t tex_id, EGLint *stride, EGLint *fourcc,
48                            EGLuint64KHR *modifier);
49 
50 void egl_dmabuf_import_texture(QemuDmaBuf *dmabuf);
51 void egl_dmabuf_release_texture(QemuDmaBuf *dmabuf);
52 void egl_dmabuf_create_sync(QemuDmaBuf *dmabuf);
53 void egl_dmabuf_create_fence(QemuDmaBuf *dmabuf);
54 
55 #endif
56 
57 EGLSurface qemu_egl_init_surface_x11(EGLContext ectx, EGLNativeWindowType win);
58 
59 #if defined(CONFIG_X11) || defined(CONFIG_GBM)
60 
61 int qemu_egl_init_dpy_x11(EGLNativeDisplayType dpy, DisplayGLMode mode);
62 int qemu_egl_init_dpy_mesa(EGLNativeDisplayType dpy, DisplayGLMode mode);
63 
64 #endif
65 
66 #ifdef WIN32
67 int qemu_egl_init_dpy_win32(EGLNativeDisplayType dpy, DisplayGLMode mode);
68 #endif
69 
70 EGLContext qemu_egl_init_ctx(void);
71 bool qemu_egl_has_dmabuf(void);
72 
73 bool egl_init(const char *rendernode, DisplayGLMode mode, Error **errp);
74 
75 const char *qemu_egl_get_error_string(void);
76 
77 #endif /* EGL_HELPERS_H */
78