1 #include "qemu/osdep.h"
5 #include "ui/egl-helpers.h"
7 EGLDisplay
*qemu_egl_display
;
8 EGLConfig qemu_egl_config
;
10 /* ---------------------------------------------------------------------- */
15 #define egl_dbg(_x ...) \
18 fprintf(stderr, "egl: " _x); \
22 /* ---------------------------------------------------------------------- */
24 #ifdef CONFIG_OPENGL_DMABUF
27 struct gbm_device
*qemu_egl_rn_gbm_dev
;
28 EGLContext qemu_egl_rn_ctx
;
30 int qemu_egl_rendernode_open(void)
37 dir
= opendir("/dev/dri");
43 while ((e
= readdir(dir
))) {
44 if (e
->d_type
!= DT_CHR
) {
48 if (strncmp(e
->d_name
, "renderD", 7)) {
52 r
= asprintf(&p
, "/dev/dri/%s", e
->d_name
);
57 r
= open(p
, O_RDWR
| O_CLOEXEC
| O_NOCTTY
| O_NONBLOCK
);
74 int egl_rendernode_init(void)
78 qemu_egl_rn_fd
= qemu_egl_rendernode_open();
79 if (qemu_egl_rn_fd
== -1) {
80 fprintf(stderr
, "egl: no drm render node available\n");
84 qemu_egl_rn_gbm_dev
= gbm_create_device(qemu_egl_rn_fd
);
85 if (!qemu_egl_rn_gbm_dev
) {
86 fprintf(stderr
, "egl: gbm_create_device failed\n");
90 qemu_egl_init_dpy((EGLNativeDisplayType
)qemu_egl_rn_gbm_dev
, false, false);
92 if (!epoxy_has_egl_extension(qemu_egl_display
,
93 "EGL_KHR_surfaceless_context")) {
94 fprintf(stderr
, "egl: EGL_KHR_surfaceless_context not supported\n");
97 if (!epoxy_has_egl_extension(qemu_egl_display
,
98 "EGL_MESA_image_dma_buf_export")) {
99 fprintf(stderr
, "egl: EGL_MESA_image_dma_buf_export not supported\n");
103 qemu_egl_rn_ctx
= qemu_egl_init_ctx();
104 if (!qemu_egl_rn_ctx
) {
105 fprintf(stderr
, "egl: egl_init_ctx failed\n");
112 if (qemu_egl_rn_gbm_dev
) {
113 gbm_device_destroy(qemu_egl_rn_gbm_dev
);
115 if (qemu_egl_rn_fd
!= -1) {
116 close(qemu_egl_rn_fd
);
122 int egl_get_fd_for_texture(uint32_t tex_id
, EGLint
*stride
, EGLint
*fourcc
)
125 EGLint num_planes
, fd
;
127 image
= eglCreateImageKHR(qemu_egl_display
, eglGetCurrentContext(),
128 EGL_GL_TEXTURE_2D_KHR
,
129 (EGLClientBuffer
)(unsigned long)tex_id
,
135 eglExportDMABUFImageQueryMESA(qemu_egl_display
, image
, fourcc
,
137 if (num_planes
!= 1) {
138 eglDestroyImageKHR(qemu_egl_display
, image
);
141 eglExportDMABUFImageMESA(qemu_egl_display
, image
, &fd
, stride
, NULL
);
142 eglDestroyImageKHR(qemu_egl_display
, image
);
147 #endif /* CONFIG_OPENGL_DMABUF */
149 /* ---------------------------------------------------------------------- */
151 EGLSurface
qemu_egl_init_surface_x11(EGLContext ectx
, Window win
)
156 egl_dbg("eglCreateWindowSurface (x11 win id 0x%lx) ...\n",
157 (unsigned long) win
);
158 esurface
= eglCreateWindowSurface(qemu_egl_display
,
160 (EGLNativeWindowType
)win
, NULL
);
161 if (esurface
== EGL_NO_SURFACE
) {
162 fprintf(stderr
, "egl: eglCreateWindowSurface failed\n");
166 b
= eglMakeCurrent(qemu_egl_display
, esurface
, esurface
, ectx
);
167 if (b
== EGL_FALSE
) {
168 fprintf(stderr
, "egl: eglMakeCurrent failed\n");
175 /* ---------------------------------------------------------------------- */
177 int qemu_egl_init_dpy(EGLNativeDisplayType dpy
, bool gles
, bool debug
)
179 static const EGLint conf_att_gl
[] = {
180 EGL_SURFACE_TYPE
, EGL_WINDOW_BIT
,
181 EGL_RENDERABLE_TYPE
, EGL_OPENGL_BIT
,
188 static const EGLint conf_att_gles
[] = {
189 EGL_SURFACE_TYPE
, EGL_WINDOW_BIT
,
190 EGL_RENDERABLE_TYPE
, EGL_OPENGL_ES2_BIT
,
203 setenv("EGL_LOG_LEVEL", "debug", true);
204 setenv("LIBGL_DEBUG", "verbose", true);
207 egl_dbg("eglGetDisplay (dpy %p) ...\n", dpy
);
208 qemu_egl_display
= eglGetDisplay(dpy
);
209 if (qemu_egl_display
== EGL_NO_DISPLAY
) {
210 fprintf(stderr
, "egl: eglGetDisplay failed\n");
214 egl_dbg("eglInitialize ...\n");
215 b
= eglInitialize(qemu_egl_display
, &major
, &minor
);
216 if (b
== EGL_FALSE
) {
217 fprintf(stderr
, "egl: eglInitialize failed\n");
221 egl_dbg("eglBindAPI ...\n");
222 b
= eglBindAPI(gles
? EGL_OPENGL_ES_API
: EGL_OPENGL_API
);
223 if (b
== EGL_FALSE
) {
224 fprintf(stderr
, "egl: eglBindAPI failed\n");
228 egl_dbg("eglChooseConfig ...\n");
229 b
= eglChooseConfig(qemu_egl_display
,
230 gles
? conf_att_gles
: conf_att_gl
,
231 &qemu_egl_config
, 1, &n
);
232 if (b
== EGL_FALSE
|| n
!= 1) {
233 fprintf(stderr
, "egl: eglChooseConfig failed\n");
241 EGLContext
qemu_egl_init_ctx(void)
243 static const EGLint ctx_att_gl
[] = {
246 static const EGLint ctx_att_gles
[] = {
247 EGL_CONTEXT_CLIENT_VERSION
, 2,
254 egl_dbg("eglCreateContext ...\n");
255 ectx
= eglCreateContext(qemu_egl_display
, qemu_egl_config
, EGL_NO_CONTEXT
,
256 egl_gles
? ctx_att_gles
: ctx_att_gl
);
257 if (ectx
== EGL_NO_CONTEXT
) {
258 fprintf(stderr
, "egl: eglCreateContext failed\n");
262 b
= eglMakeCurrent(qemu_egl_display
, EGL_NO_SURFACE
, EGL_NO_SURFACE
, ectx
);
263 if (b
== EGL_FALSE
) {
264 fprintf(stderr
, "egl: eglMakeCurrent failed\n");