mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-12 16:35:58 +01:00
render/egl: introduce wlr_egl_dup_drm_fd
This commit is contained in:
parent
eef8b3dde8
commit
c8d95acc37
2 changed files with 78 additions and 0 deletions
|
@ -45,8 +45,10 @@ struct wlr_egl {
|
|||
EGLDisplay display;
|
||||
EGLConfig config;
|
||||
EGLContext context;
|
||||
EGLDeviceEXT device; // may be EGL_NO_DEVICE_EXT
|
||||
|
||||
struct {
|
||||
// Display extensions
|
||||
bool bind_wayland_display_wl;
|
||||
bool buffer_age_ext;
|
||||
bool image_base_khr;
|
||||
|
@ -54,6 +56,9 @@ struct wlr_egl {
|
|||
bool image_dmabuf_import_ext;
|
||||
bool image_dmabuf_import_modifiers_ext;
|
||||
bool swap_buffers_with_damage;
|
||||
|
||||
// Device extensions
|
||||
bool device_drm_ext;
|
||||
} exts;
|
||||
|
||||
struct {
|
||||
|
@ -70,6 +75,8 @@ struct wlr_egl {
|
|||
PFNEGLEXPORTDMABUFIMAGEQUERYMESAPROC eglExportDMABUFImageQueryMESA;
|
||||
PFNEGLEXPORTDMABUFIMAGEMESAPROC eglExportDMABUFImageMESA;
|
||||
PFNEGLDEBUGMESSAGECONTROLKHRPROC eglDebugMessageControlKHR;
|
||||
PFNEGLQUERYDISPLAYATTRIBEXTPROC eglQueryDisplayAttribEXT;
|
||||
PFNEGLQUERYDEVICESTRINGEXTPROC eglQueryDeviceStringEXT;
|
||||
} procs;
|
||||
|
||||
struct wl_display *wl_display;
|
||||
|
@ -164,4 +171,6 @@ bool wlr_egl_swap_buffers(struct wlr_egl *egl, EGLSurface surface,
|
|||
|
||||
bool wlr_egl_destroy_surface(struct wlr_egl *egl, EGLSurface surface);
|
||||
|
||||
int wlr_egl_dup_drm_fd(struct wlr_egl *egl);
|
||||
|
||||
#endif
|
||||
|
|
69
render/egl.c
69
render/egl.c
|
@ -1,10 +1,14 @@
|
|||
#define _POSIX_C_SOURCE 200809L
|
||||
#include <assert.h>
|
||||
#include <drm_fourcc.h>
|
||||
#include <fcntl.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <unistd.h>
|
||||
#include <wlr/render/egl.h>
|
||||
#include <wlr/util/log.h>
|
||||
#include <wlr/util/region.h>
|
||||
#include <xf86drm.h>
|
||||
|
||||
static bool egl_get_config(EGLDisplay disp, const EGLint *attribs,
|
||||
EGLConfig *out, EGLint visual_id) {
|
||||
|
@ -289,6 +293,32 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
|
|||
"eglQueryWaylandBufferWL");
|
||||
}
|
||||
|
||||
const char *device_exts_str = NULL;
|
||||
if (check_egl_ext(client_exts_str, "EGL_EXT_device_query")) {
|
||||
load_egl_proc(&egl->procs.eglQueryDisplayAttribEXT,
|
||||
"eglQueryDisplayAttribEXT");
|
||||
load_egl_proc(&egl->procs.eglQueryDeviceStringEXT,
|
||||
"eglQueryDeviceStringEXT");
|
||||
|
||||
EGLAttrib device_attrib;
|
||||
if (!egl->procs.eglQueryDisplayAttribEXT(egl->display,
|
||||
EGL_DEVICE_EXT, &device_attrib)) {
|
||||
wlr_log(WLR_ERROR, "eglQueryDisplayAttribEXT(EGL_DEVICE_EXT) failed");
|
||||
goto error;
|
||||
}
|
||||
egl->device = (EGLDeviceEXT)device_attrib;
|
||||
|
||||
device_exts_str =
|
||||
egl->procs.eglQueryDeviceStringEXT(egl->device, EGL_EXTENSIONS);
|
||||
if (device_exts_str == NULL) {
|
||||
wlr_log(WLR_ERROR, "eglQueryDeviceStringEXT(EGL_EXTENSIONS) failed");
|
||||
goto error;
|
||||
}
|
||||
|
||||
egl->exts.device_drm_ext =
|
||||
check_egl_ext(device_exts_str, "EGL_EXT_device_drm");
|
||||
}
|
||||
|
||||
if (!egl_get_config(egl->display, config_attribs, &egl->config, visual_id)) {
|
||||
wlr_log(WLR_ERROR, "Failed to get EGL config");
|
||||
goto error;
|
||||
|
@ -297,6 +327,9 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
|
|||
wlr_log(WLR_INFO, "Using EGL %d.%d", (int)major, (int)minor);
|
||||
wlr_log(WLR_INFO, "Supported EGL client extensions: %s", client_exts_str);
|
||||
wlr_log(WLR_INFO, "Supported EGL display extensions: %s", display_exts_str);
|
||||
if (device_exts_str != NULL) {
|
||||
wlr_log(WLR_INFO, "Supported EGL device extensions: %s", device_exts_str);
|
||||
}
|
||||
wlr_log(WLR_INFO, "EGL vendor: %s", eglQueryString(egl->display, EGL_VENDOR));
|
||||
|
||||
init_dmabuf_formats(egl);
|
||||
|
@ -818,3 +851,39 @@ bool wlr_egl_destroy_surface(struct wlr_egl *egl, EGLSurface surface) {
|
|||
}
|
||||
return eglDestroySurface(egl->display, surface);
|
||||
}
|
||||
|
||||
int wlr_egl_dup_drm_fd(struct wlr_egl *egl) {
|
||||
if (egl->device == EGL_NO_DEVICE_EXT || !egl->exts.device_drm_ext) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
const char *primary_name = egl->procs.eglQueryDeviceStringEXT(egl->device,
|
||||
EGL_DRM_DEVICE_FILE_EXT);
|
||||
if (primary_name == NULL) {
|
||||
wlr_log(WLR_ERROR,
|
||||
"eglQueryDeviceStringEXT(EGL_DRM_DEVICE_FILE_EXT) failed");
|
||||
return -1;
|
||||
}
|
||||
|
||||
int primary_fd = open(primary_name, O_RDWR | O_NONBLOCK | O_CLOEXEC);
|
||||
if (primary_fd < 0) {
|
||||
wlr_log_errno(WLR_ERROR, "Failed to open primary DRM device");
|
||||
return -1;
|
||||
}
|
||||
|
||||
char *render_name = drmGetRenderDeviceNameFromFd(primary_fd);
|
||||
if (render_name == NULL) {
|
||||
wlr_log_errno(WLR_ERROR, "drmGetRenderDeviceNameFromFd failed");
|
||||
close(primary_fd);
|
||||
return -1;
|
||||
}
|
||||
close(primary_fd);
|
||||
|
||||
int render_fd = open(render_name, O_RDWR | O_NONBLOCK | O_CLOEXEC);
|
||||
if (render_fd < 0) {
|
||||
wlr_log_errno(WLR_ERROR, "Failed to open render DRM device");
|
||||
return -1;
|
||||
}
|
||||
|
||||
return render_fd;
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue