xref: /openbmc/qemu/include/ui/egl-helpers.h (revision b91a0fa7)
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 void egl_fb_destroy(egl_fb *fb);
26 void egl_fb_setup_default(egl_fb *fb, int width, int height);
27 void egl_fb_setup_for_tex(egl_fb *fb, int width, int height,
28                           GLuint texture, bool delete);
29 void egl_fb_setup_new_tex(egl_fb *fb, int width, int height);
30 void egl_fb_blit(egl_fb *dst, egl_fb *src, bool flip);
31 void egl_fb_read(DisplaySurface *dst, egl_fb *src);
32 
33 void egl_texture_blit(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip);
34 void egl_texture_blend(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip,
35                        int x, int y, double scale_x, double scale_y);
36 
37 #ifdef CONFIG_GBM
38 
39 extern int qemu_egl_rn_fd;
40 extern struct gbm_device *qemu_egl_rn_gbm_dev;
41 extern EGLContext qemu_egl_rn_ctx;
42 
43 int egl_rendernode_init(const char *rendernode, DisplayGLMode mode);
44 int egl_get_fd_for_texture(uint32_t tex_id, EGLint *stride, EGLint *fourcc,
45                            EGLuint64KHR *modifier);
46 
47 void egl_dmabuf_import_texture(QemuDmaBuf *dmabuf);
48 void egl_dmabuf_release_texture(QemuDmaBuf *dmabuf);
49 void egl_dmabuf_create_sync(QemuDmaBuf *dmabuf);
50 void egl_dmabuf_create_fence(QemuDmaBuf *dmabuf);
51 
52 #endif
53 
54 EGLSurface qemu_egl_init_surface_x11(EGLContext ectx, EGLNativeWindowType win);
55 
56 #if defined(CONFIG_X11) || defined(CONFIG_GBM)
57 
58 int qemu_egl_init_dpy_x11(EGLNativeDisplayType dpy, DisplayGLMode mode);
59 int qemu_egl_init_dpy_mesa(EGLNativeDisplayType dpy, DisplayGLMode mode);
60 
61 #endif
62 
63 EGLContext qemu_egl_init_ctx(void);
64 bool qemu_egl_has_dmabuf(void);
65 
66 #endif /* EGL_HELPERS_H */
67