xref: /openbmc/qemu/include/ui/egl-helpers.h (revision 8acf8650)
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 #ifdef CONFIG_GBM
40 
41 extern int qemu_egl_rn_fd;
42 extern struct gbm_device *qemu_egl_rn_gbm_dev;
43 extern EGLContext qemu_egl_rn_ctx;
44 
45 int egl_rendernode_init(const char *rendernode, DisplayGLMode mode);
46 int egl_get_fd_for_texture(uint32_t tex_id, EGLint *stride, EGLint *fourcc,
47                            EGLuint64KHR *modifier);
48 
49 void egl_dmabuf_import_texture(QemuDmaBuf *dmabuf);
50 void egl_dmabuf_release_texture(QemuDmaBuf *dmabuf);
51 void egl_dmabuf_create_sync(QemuDmaBuf *dmabuf);
52 void egl_dmabuf_create_fence(QemuDmaBuf *dmabuf);
53 
54 #endif
55 
56 EGLSurface qemu_egl_init_surface_x11(EGLContext ectx, EGLNativeWindowType win);
57 
58 #if defined(CONFIG_X11) || defined(CONFIG_GBM)
59 
60 int qemu_egl_init_dpy_x11(EGLNativeDisplayType dpy, DisplayGLMode mode);
61 int qemu_egl_init_dpy_mesa(EGLNativeDisplayType dpy, DisplayGLMode mode);
62 
63 #endif
64 
65 EGLContext qemu_egl_init_ctx(void);
66 bool qemu_egl_has_dmabuf(void);
67 
68 bool egl_init(const char *rendernode, DisplayGLMode mode, Error **errp);
69 
70 #endif /* EGL_HELPERS_H */
71