diff --git a/include/ui/egl-helpers.h b/include/ui/egl-helpers.h index 03fcf4bba2..88a13e827b 100644 --- a/include/ui/egl-helpers.h +++ b/include/ui/egl-helpers.h @@ -14,8 +14,7 @@ extern int qemu_egl_rn_fd; extern struct gbm_device *qemu_egl_rn_gbm_dev; extern EGLContext qemu_egl_rn_ctx; -int qemu_egl_rendernode_open(void); -int egl_rendernode_init(void); +int egl_rendernode_init(const char *rendernode); int egl_get_fd_for_texture(uint32_t tex_id, EGLint *stride, EGLint *fourcc); #endif diff --git a/qemu-options.hx b/qemu-options.hx index 5633d3914f..809b2b0d8c 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -1066,7 +1066,7 @@ DEF("spice", HAS_ARG, QEMU_OPTION_spice, " [,streaming-video=[off|all|filter]][,disable-copy-paste]\n" " [,disable-agent-file-xfer][,agent-mouse=[on|off]]\n" " [,playback-compression=[on|off]][,seamless-migration=[on|off]]\n" - " [,gl=[on|off]]\n" + " [,gl=[on|off]][,rendernode=]\n" " enable spice\n" " at least one of {port, tls-port} is mandatory\n", QEMU_ARCH_ALL) @@ -1161,6 +1161,10 @@ Enable/disable spice seamless migration. Default is off. @item gl=[on|off] Enable/disable OpenGL context. Default is off. +@item rendernode= +DRM render node for OpenGL rendering. If not specified, it will pick +the first available. (Since 2.9) + @end table ETEXI diff --git a/ui/egl-helpers.c b/ui/egl-helpers.c index cd24568a5e..417462b76d 100644 --- a/ui/egl-helpers.c +++ b/ui/egl-helpers.c @@ -44,13 +44,17 @@ int qemu_egl_rn_fd; struct gbm_device *qemu_egl_rn_gbm_dev; EGLContext qemu_egl_rn_ctx; -int qemu_egl_rendernode_open(void) +static int qemu_egl_rendernode_open(const char *rendernode) { DIR *dir; struct dirent *e; int r, fd; char *p; + if (rendernode) { + return open(rendernode, O_RDWR | O_CLOEXEC | O_NOCTTY | O_NONBLOCK); + } + dir = opendir("/dev/dri"); if (!dir) { return -1; @@ -85,11 +89,11 @@ int qemu_egl_rendernode_open(void) return fd; } -int egl_rendernode_init(void) +int egl_rendernode_init(const char *rendernode) { qemu_egl_rn_fd = -1; - qemu_egl_rn_fd = qemu_egl_rendernode_open(); + qemu_egl_rn_fd = qemu_egl_rendernode_open(rendernode); if (qemu_egl_rn_fd == -1) { error_report("egl: no drm render node available"); goto err; diff --git a/ui/spice-core.c b/ui/spice-core.c index 1452e77fd1..39ccab7561 100644 --- a/ui/spice-core.c +++ b/ui/spice-core.c @@ -501,6 +501,9 @@ static QemuOptsList qemu_spice_opts = { },{ .name = "gl", .type = QEMU_OPT_BOOL, + },{ + .name = "rendernode", + .type = QEMU_OPT_STRING, #endif }, { /* end of list */ } @@ -833,7 +836,7 @@ void qemu_spice_init(void) "incompatible with -spice port/tls-port"); exit(1); } - if (egl_rendernode_init() != 0) { + if (egl_rendernode_init(qemu_opt_get(opts, "rendernode")) != 0) { error_report("Failed to initialize EGL render node for SPICE GL"); exit(1); }