Just a small code cleanup, there is no need to allocate a variable only to check the return value of eglInitialize(). Signed-off-by: Olivier Fourdan <ofourdan@redhat.com> Reviewed-by: Michel Dänzer <mdaenzer@redhat.com> Reviewed-by: Tony Lindgren <tony@atomide.com>
1152 lines
32 KiB
C
1152 lines
32 KiB
C
/*
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* Copyright © 2011-2014 Intel Corporation
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* Copyright © 2017 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including
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* the next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Lyude Paul <lyude@redhat.com>
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*
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*/
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#include <xwayland-config.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <xf86drm.h>
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#include <drm_fourcc.h>
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#define MESA_EGL_NO_X11_HEADERS
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#define EGL_NO_X11
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#include <gbm.h>
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#include <glamor_egl.h>
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#include <glamor.h>
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#include <glamor_context.h>
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#include <dri3.h>
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#include "drm-client-protocol.h"
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#include "xwayland-glamor.h"
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#include "xwayland-pixmap.h"
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#include "xwayland-screen.h"
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#include "linux-dmabuf-unstable-v1-client-protocol.h"
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struct xwl_gbm_private {
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char *device_name;
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struct gbm_device *gbm;
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struct wl_drm *drm;
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struct zwp_linux_dmabuf_v1 *dmabuf;
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int drm_fd;
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int fd_render_node;
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Bool drm_authenticated;
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uint32_t capabilities;
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int dmabuf_capable;
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};
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struct xwl_pixmap {
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struct wl_buffer *buffer;
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EGLImage image;
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unsigned int texture;
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struct gbm_bo *bo;
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};
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static DevPrivateKeyRec xwl_gbm_private_key;
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static DevPrivateKeyRec xwl_auth_state_private_key;
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static inline struct xwl_gbm_private *
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xwl_gbm_get(struct xwl_screen *xwl_screen)
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{
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return dixLookupPrivate(&xwl_screen->screen->devPrivates,
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&xwl_gbm_private_key);
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}
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static uint32_t
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gbm_format_for_depth(int depth)
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{
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switch (depth) {
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case 16:
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return GBM_FORMAT_RGB565;
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case 24:
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return GBM_FORMAT_XRGB8888;
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case 30:
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return GBM_FORMAT_ARGB2101010;
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default:
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ErrorF("unexpected depth: %d\n", depth);
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case 32:
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return GBM_FORMAT_ARGB8888;
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}
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}
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static uint32_t
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wl_drm_format_for_depth(int depth)
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{
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switch (depth) {
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case 15:
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return WL_DRM_FORMAT_XRGB1555;
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case 16:
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return WL_DRM_FORMAT_RGB565;
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case 24:
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return WL_DRM_FORMAT_XRGB8888;
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case 30:
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return WL_DRM_FORMAT_ARGB2101010;
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default:
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ErrorF("unexpected depth: %d\n", depth);
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case 32:
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return WL_DRM_FORMAT_ARGB8888;
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}
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}
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static char
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is_device_path_render_node (const char *device_path)
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{
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char is_render_node;
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int fd;
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fd = open(device_path, O_RDWR | O_CLOEXEC);
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if (fd < 0)
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return 0;
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is_render_node = (drmGetNodeTypeFromFd(fd) == DRM_NODE_RENDER);
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close(fd);
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return is_render_node;
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}
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static PixmapPtr
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xwl_glamor_gbm_create_pixmap_for_bo(ScreenPtr screen, struct gbm_bo *bo,
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int depth)
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{
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PixmapPtr pixmap;
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struct xwl_pixmap *xwl_pixmap;
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struct xwl_screen *xwl_screen = xwl_screen_get(screen);
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xwl_pixmap = calloc(1, sizeof(*xwl_pixmap));
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if (xwl_pixmap == NULL)
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return NULL;
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pixmap = glamor_create_pixmap(screen,
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gbm_bo_get_width(bo),
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gbm_bo_get_height(bo),
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depth,
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GLAMOR_CREATE_PIXMAP_NO_TEXTURE);
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if (!pixmap) {
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free(xwl_pixmap);
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return NULL;
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}
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xwl_glamor_egl_make_current(xwl_screen);
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xwl_pixmap->bo = bo;
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xwl_pixmap->buffer = NULL;
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xwl_pixmap->image = eglCreateImageKHR(xwl_screen->egl_display,
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xwl_screen->egl_context,
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EGL_NATIVE_PIXMAP_KHR,
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xwl_pixmap->bo, NULL);
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if (xwl_pixmap->image == EGL_NO_IMAGE_KHR)
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goto error;
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glGenTextures(1, &xwl_pixmap->texture);
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glBindTexture(GL_TEXTURE_2D, xwl_pixmap->texture);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, xwl_pixmap->image);
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if (eglGetError() != EGL_SUCCESS)
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goto error;
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glBindTexture(GL_TEXTURE_2D, 0);
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if (!glamor_set_pixmap_texture(pixmap, xwl_pixmap->texture))
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goto error;
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glamor_set_pixmap_type(pixmap, GLAMOR_TEXTURE_DRM);
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xwl_pixmap_set_private(pixmap, xwl_pixmap);
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return pixmap;
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error:
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if (xwl_pixmap->image != EGL_NO_IMAGE_KHR)
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eglDestroyImageKHR(xwl_screen->egl_display, xwl_pixmap->image);
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if (pixmap)
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glamor_destroy_pixmap(pixmap);
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free(xwl_pixmap);
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return NULL;
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}
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static PixmapPtr
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xwl_glamor_gbm_create_pixmap(ScreenPtr screen,
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int width, int height, int depth,
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unsigned int hint)
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{
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struct xwl_screen *xwl_screen = xwl_screen_get(screen);
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struct xwl_gbm_private *xwl_gbm = xwl_gbm_get(xwl_screen);
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struct gbm_bo *bo;
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PixmapPtr pixmap = NULL;
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if (width > 0 && height > 0 && depth >= 15 &&
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(hint == CREATE_PIXMAP_USAGE_BACKING_PIXMAP ||
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hint == CREATE_PIXMAP_USAGE_SHARED ||
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(xwl_screen->rootless && hint == 0))) {
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uint32_t format = gbm_format_for_depth(depth);
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#ifdef GBM_BO_WITH_MODIFIERS
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if (xwl_gbm->dmabuf_capable) {
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uint32_t num_modifiers;
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uint64_t *modifiers = NULL;
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glamor_get_modifiers(screen, format, &num_modifiers, &modifiers);
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bo = gbm_bo_create_with_modifiers(xwl_gbm->gbm, width, height,
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format, modifiers, num_modifiers);
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free(modifiers);
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}
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else
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#endif
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{
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bo = gbm_bo_create(xwl_gbm->gbm, width, height, format,
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GBM_BO_USE_RENDERING);
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}
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if (bo) {
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pixmap = xwl_glamor_gbm_create_pixmap_for_bo(screen, bo, depth);
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if (!pixmap) {
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gbm_bo_destroy(bo);
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}
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else if (xwl_screen->rootless && hint == CREATE_PIXMAP_USAGE_BACKING_PIXMAP) {
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glamor_clear_pixmap(pixmap);
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}
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}
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}
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if (!pixmap)
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pixmap = glamor_create_pixmap(screen, width, height, depth, hint);
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return pixmap;
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}
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static Bool
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xwl_glamor_gbm_destroy_pixmap(PixmapPtr pixmap)
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{
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struct xwl_screen *xwl_screen = xwl_screen_get(pixmap->drawable.pScreen);
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struct xwl_pixmap *xwl_pixmap = xwl_pixmap_get(pixmap);
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if (xwl_pixmap && pixmap->refcnt == 1) {
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xwl_pixmap_del_buffer_release_cb(pixmap);
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if (xwl_pixmap->buffer)
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wl_buffer_destroy(xwl_pixmap->buffer);
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eglDestroyImageKHR(xwl_screen->egl_display, xwl_pixmap->image);
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if (xwl_pixmap->bo)
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gbm_bo_destroy(xwl_pixmap->bo);
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free(xwl_pixmap);
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}
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return glamor_destroy_pixmap(pixmap);
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}
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static const struct wl_buffer_listener xwl_glamor_gbm_buffer_listener = {
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xwl_pixmap_buffer_release_cb,
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};
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static struct wl_buffer *
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xwl_glamor_gbm_get_wl_buffer_for_pixmap(PixmapPtr pixmap,
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Bool *created)
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{
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struct xwl_screen *xwl_screen = xwl_screen_get(pixmap->drawable.pScreen);
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struct xwl_pixmap *xwl_pixmap = xwl_pixmap_get(pixmap);
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struct xwl_gbm_private *xwl_gbm = xwl_gbm_get(xwl_screen);
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unsigned short width = pixmap->drawable.width;
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unsigned short height = pixmap->drawable.height;
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uint32_t format;
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struct xwl_format *xwl_format = NULL;
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Bool modifier_supported = FALSE;
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int prime_fd;
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int num_planes;
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uint32_t strides[4];
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uint32_t offsets[4];
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uint64_t modifier;
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int i;
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if (xwl_pixmap == NULL)
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return NULL;
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if (xwl_pixmap->buffer) {
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/* Buffer already exists. Return it and inform caller if interested. */
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if (created)
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*created = FALSE;
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return xwl_pixmap->buffer;
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}
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/* Buffer does not exist yet. Create now and inform caller if interested. */
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if (created)
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*created = TRUE;
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if (!xwl_pixmap->bo)
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return NULL;
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format = wl_drm_format_for_depth(pixmap->drawable.depth);
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prime_fd = gbm_bo_get_fd(xwl_pixmap->bo);
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if (prime_fd == -1)
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return NULL;
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#ifdef GBM_BO_WITH_MODIFIERS
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num_planes = gbm_bo_get_plane_count(xwl_pixmap->bo);
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modifier = gbm_bo_get_modifier(xwl_pixmap->bo);
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for (i = 0; i < num_planes; i++) {
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strides[i] = gbm_bo_get_stride_for_plane(xwl_pixmap->bo, i);
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offsets[i] = gbm_bo_get_offset(xwl_pixmap->bo, i);
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}
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#else
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num_planes = 1;
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modifier = DRM_FORMAT_MOD_INVALID;
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strides[0] = gbm_bo_get_stride(xwl_pixmap->bo);
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offsets[0] = 0;
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#endif
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for (i = 0; i < xwl_screen->num_formats; i++) {
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if (xwl_screen->formats[i].format == format) {
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xwl_format = &xwl_screen->formats[i];
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break;
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}
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}
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if (xwl_format) {
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for (i = 0; i < xwl_format->num_modifiers; i++) {
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if (xwl_format->modifiers[i] == modifier) {
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modifier_supported = TRUE;
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break;
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}
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}
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}
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if (xwl_gbm->dmabuf && modifier_supported) {
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struct zwp_linux_buffer_params_v1 *params;
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params = zwp_linux_dmabuf_v1_create_params(xwl_gbm->dmabuf);
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for (i = 0; i < num_planes; i++) {
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zwp_linux_buffer_params_v1_add(params, prime_fd, i,
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offsets[i], strides[i],
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modifier >> 32, modifier & 0xffffffff);
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}
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xwl_pixmap->buffer =
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zwp_linux_buffer_params_v1_create_immed(params, width, height,
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format, 0);
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zwp_linux_buffer_params_v1_destroy(params);
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} else if (num_planes == 1) {
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xwl_pixmap->buffer =
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wl_drm_create_prime_buffer(xwl_gbm->drm, prime_fd, width, height,
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format,
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0, gbm_bo_get_stride(xwl_pixmap->bo),
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0, 0,
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0, 0);
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}
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close(prime_fd);
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/* Add our listener now */
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wl_buffer_add_listener(xwl_pixmap->buffer,
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&xwl_glamor_gbm_buffer_listener, pixmap);
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return xwl_pixmap->buffer;
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}
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static void
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xwl_glamor_gbm_cleanup(struct xwl_screen *xwl_screen)
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{
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struct xwl_gbm_private *xwl_gbm = xwl_gbm_get(xwl_screen);
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if (xwl_gbm->device_name)
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free(xwl_gbm->device_name);
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if (xwl_gbm->drm_fd)
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close(xwl_gbm->drm_fd);
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if (xwl_gbm->drm)
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wl_drm_destroy(xwl_gbm->drm);
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if (xwl_gbm->gbm)
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gbm_device_destroy(xwl_gbm->gbm);
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free(xwl_gbm);
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}
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struct xwl_auth_state {
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int fd;
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ClientPtr client;
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struct wl_callback *callback;
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};
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static void
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free_xwl_auth_state(ClientPtr pClient, struct xwl_auth_state *state)
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{
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dixSetPrivate(&pClient->devPrivates, &xwl_auth_state_private_key, NULL);
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if (state) {
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wl_callback_destroy(state->callback);
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free(state);
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}
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}
|
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|
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static void
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xwl_auth_state_client_callback(CallbackListPtr *pcbl, void *unused, void *data)
|
|
{
|
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NewClientInfoRec *clientinfo = (NewClientInfoRec *) data;
|
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ClientPtr pClient = clientinfo->client;
|
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struct xwl_auth_state *state;
|
|
|
|
switch (pClient->clientState) {
|
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case ClientStateGone:
|
|
case ClientStateRetained:
|
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state = dixLookupPrivate(&pClient->devPrivates,
|
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&xwl_auth_state_private_key);
|
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free_xwl_auth_state(pClient, state);
|
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break;
|
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default:
|
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break;
|
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}
|
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}
|
|
|
|
static void
|
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sync_callback(void *data, struct wl_callback *callback, uint32_t serial)
|
|
{
|
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struct xwl_auth_state *state = data;
|
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ClientPtr client = state->client;
|
|
|
|
/* if the client is gone, the callback is cancelled so it's safe to
|
|
* assume the client is still in ClientStateRunning at this point...
|
|
*/
|
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dri3_send_open_reply(client, state->fd);
|
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AttendClient(client);
|
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free_xwl_auth_state(client, state);
|
|
}
|
|
|
|
static const struct wl_callback_listener sync_listener = {
|
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sync_callback
|
|
};
|
|
|
|
static int
|
|
xwl_dri3_open_client(ClientPtr client,
|
|
ScreenPtr screen,
|
|
RRProviderPtr provider,
|
|
int *pfd)
|
|
{
|
|
struct xwl_screen *xwl_screen = xwl_screen_get(screen);
|
|
struct xwl_gbm_private *xwl_gbm = xwl_gbm_get(xwl_screen);
|
|
struct xwl_auth_state *state;
|
|
drm_magic_t magic;
|
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int fd;
|
|
|
|
fd = open(xwl_gbm->device_name, O_RDWR | O_CLOEXEC);
|
|
if (fd < 0)
|
|
return BadAlloc;
|
|
if (xwl_gbm->fd_render_node) {
|
|
*pfd = fd;
|
|
return Success;
|
|
}
|
|
|
|
state = malloc(sizeof *state);
|
|
if (state == NULL) {
|
|
close(fd);
|
|
return BadAlloc;
|
|
}
|
|
|
|
state->client = client;
|
|
state->fd = fd;
|
|
|
|
if (drmGetMagic(state->fd, &magic) < 0) {
|
|
close(state->fd);
|
|
free(state);
|
|
return BadMatch;
|
|
}
|
|
|
|
wl_drm_authenticate(xwl_gbm->drm, magic);
|
|
state->callback = wl_display_sync(xwl_screen->display);
|
|
wl_callback_add_listener(state->callback, &sync_listener, state);
|
|
dixSetPrivate(&client->devPrivates, &xwl_auth_state_private_key, state);
|
|
|
|
IgnoreClient(client);
|
|
|
|
return Success;
|
|
}
|
|
|
|
_X_EXPORT PixmapPtr
|
|
glamor_pixmap_from_fds(ScreenPtr screen, CARD8 num_fds, const int *fds,
|
|
CARD16 width, CARD16 height,
|
|
const CARD32 *strides, const CARD32 *offsets,
|
|
CARD8 depth, CARD8 bpp, uint64_t modifier)
|
|
{
|
|
struct xwl_screen *xwl_screen = xwl_screen_get(screen);
|
|
struct xwl_gbm_private *xwl_gbm = xwl_gbm_get(xwl_screen);
|
|
struct gbm_bo *bo = NULL;
|
|
PixmapPtr pixmap;
|
|
int i;
|
|
|
|
if (width == 0 || height == 0 || num_fds == 0 ||
|
|
depth < 15 || bpp != BitsPerPixel(depth) ||
|
|
strides[0] < width * bpp / 8)
|
|
goto error;
|
|
|
|
if (xwl_gbm->dmabuf_capable && modifier != DRM_FORMAT_MOD_INVALID) {
|
|
#ifdef GBM_BO_WITH_MODIFIERS
|
|
struct gbm_import_fd_modifier_data data;
|
|
|
|
data.width = width;
|
|
data.height = height;
|
|
data.num_fds = num_fds;
|
|
data.format = gbm_format_for_depth(depth);
|
|
data.modifier = modifier;
|
|
for (i = 0; i < num_fds; i++) {
|
|
data.fds[i] = fds[i];
|
|
data.strides[i] = strides[i];
|
|
data.offsets[i] = offsets[i];
|
|
}
|
|
bo = gbm_bo_import(xwl_gbm->gbm, GBM_BO_IMPORT_FD_MODIFIER, &data,
|
|
GBM_BO_USE_RENDERING);
|
|
#endif
|
|
} else if (num_fds == 1) {
|
|
struct gbm_import_fd_data data;
|
|
|
|
data.fd = fds[0];
|
|
data.width = width;
|
|
data.height = height;
|
|
data.stride = strides[0];
|
|
data.format = gbm_format_for_depth(depth);
|
|
bo = gbm_bo_import(xwl_gbm->gbm, GBM_BO_IMPORT_FD, &data,
|
|
GBM_BO_USE_RENDERING);
|
|
} else {
|
|
goto error;
|
|
}
|
|
|
|
if (bo == NULL)
|
|
goto error;
|
|
|
|
pixmap = xwl_glamor_gbm_create_pixmap_for_bo(screen, bo, depth);
|
|
if (pixmap == NULL) {
|
|
gbm_bo_destroy(bo);
|
|
goto error;
|
|
}
|
|
|
|
return pixmap;
|
|
|
|
error:
|
|
return NULL;
|
|
}
|
|
|
|
_X_EXPORT int
|
|
glamor_egl_fds_from_pixmap(ScreenPtr screen, PixmapPtr pixmap, int *fds,
|
|
uint32_t *strides, uint32_t *offsets,
|
|
uint64_t *modifier)
|
|
{
|
|
struct xwl_pixmap *xwl_pixmap;
|
|
#ifdef GBM_BO_WITH_MODIFIERS
|
|
uint32_t num_fds;
|
|
int i;
|
|
#endif
|
|
|
|
xwl_pixmap = xwl_pixmap_get(pixmap);
|
|
|
|
if (xwl_pixmap == NULL)
|
|
return 0;
|
|
|
|
if (!xwl_pixmap->bo)
|
|
return 0;
|
|
|
|
#ifdef GBM_BO_WITH_MODIFIERS
|
|
num_fds = gbm_bo_get_plane_count(xwl_pixmap->bo);
|
|
*modifier = gbm_bo_get_modifier(xwl_pixmap->bo);
|
|
|
|
for (i = 0; i < num_fds; i++) {
|
|
fds[i] = gbm_bo_get_fd(xwl_pixmap->bo);
|
|
strides[i] = gbm_bo_get_stride_for_plane(xwl_pixmap->bo, i);
|
|
offsets[i] = gbm_bo_get_offset(xwl_pixmap->bo, i);
|
|
}
|
|
|
|
return num_fds;
|
|
#else
|
|
*modifier = DRM_FORMAT_MOD_INVALID;
|
|
fds[0] = gbm_bo_get_fd(xwl_pixmap->bo);
|
|
strides[0] = gbm_bo_get_stride(xwl_pixmap->bo);
|
|
offsets[0] = 0;
|
|
return 1;
|
|
#endif
|
|
}
|
|
|
|
/* Not actually used, just defined here so there's something for
|
|
* _glamor_egl_fds_from_pixmap() to link against
|
|
*/
|
|
_X_EXPORT int
|
|
glamor_egl_fd_from_pixmap(ScreenPtr screen, PixmapPtr pixmap,
|
|
CARD16 *stride, CARD32 *size)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
_X_EXPORT Bool
|
|
glamor_get_formats(ScreenPtr screen,
|
|
CARD32 *num_formats, CARD32 **formats)
|
|
{
|
|
struct xwl_screen *xwl_screen = xwl_screen_get(screen);
|
|
struct xwl_gbm_private *xwl_gbm = xwl_gbm_get(xwl_screen);
|
|
int i;
|
|
|
|
/* Explicitly zero the count as the caller may ignore the return value */
|
|
*num_formats = 0;
|
|
|
|
if (!xwl_gbm->dmabuf_capable || !xwl_gbm->dmabuf)
|
|
return FALSE;
|
|
|
|
if (xwl_screen->num_formats == 0)
|
|
return TRUE;
|
|
|
|
*formats = calloc(xwl_screen->num_formats, sizeof(CARD32));
|
|
if (*formats == NULL)
|
|
return FALSE;
|
|
|
|
for (i = 0; i < xwl_screen->num_formats; i++)
|
|
(*formats)[i] = xwl_screen->formats[i].format;
|
|
*num_formats = xwl_screen->num_formats;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
_X_EXPORT Bool
|
|
glamor_get_modifiers(ScreenPtr screen, uint32_t format,
|
|
uint32_t *num_modifiers, uint64_t **modifiers)
|
|
{
|
|
struct xwl_screen *xwl_screen = xwl_screen_get(screen);
|
|
struct xwl_gbm_private *xwl_gbm = xwl_gbm_get(xwl_screen);
|
|
struct xwl_format *xwl_format = NULL;
|
|
int i;
|
|
|
|
/* Explicitly zero the count as the caller may ignore the return value */
|
|
*num_modifiers = 0;
|
|
|
|
if (!xwl_gbm->dmabuf_capable || !xwl_gbm->dmabuf)
|
|
return FALSE;
|
|
|
|
if (xwl_screen->num_formats == 0)
|
|
return TRUE;
|
|
|
|
for (i = 0; i < xwl_screen->num_formats; i++) {
|
|
if (xwl_screen->formats[i].format == format) {
|
|
xwl_format = &xwl_screen->formats[i];
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!xwl_format ||
|
|
(xwl_format->num_modifiers == 1 &&
|
|
xwl_format->modifiers[0] == DRM_FORMAT_MOD_INVALID))
|
|
return FALSE;
|
|
|
|
*modifiers = calloc(xwl_format->num_modifiers, sizeof(uint64_t));
|
|
if (*modifiers == NULL)
|
|
return FALSE;
|
|
|
|
for (i = 0; i < xwl_format->num_modifiers; i++)
|
|
(*modifiers)[i] = xwl_format->modifiers[i];
|
|
*num_modifiers = xwl_format->num_modifiers;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static const dri3_screen_info_rec xwl_dri3_info = {
|
|
.version = 2,
|
|
.open = NULL,
|
|
.pixmap_from_fds = glamor_pixmap_from_fds,
|
|
.fds_from_pixmap = glamor_fds_from_pixmap,
|
|
.open_client = xwl_dri3_open_client,
|
|
.get_formats = glamor_get_formats,
|
|
.get_modifiers = glamor_get_modifiers,
|
|
.get_drawable_modifiers = glamor_get_drawable_modifiers,
|
|
};
|
|
|
|
static const char *
|
|
get_render_node_path_for_device(const drmDevicePtr drm_device,
|
|
const char *device_path)
|
|
{
|
|
char *render_node_path = NULL;
|
|
char device_found = 0;
|
|
int i;
|
|
|
|
for (i = 0; i < DRM_NODE_MAX; i++) {
|
|
if ((drm_device->available_nodes & (1 << i)) == 0)
|
|
continue;
|
|
|
|
if (!strcmp (device_path, drm_device->nodes[i]))
|
|
device_found = 1;
|
|
|
|
if (is_device_path_render_node(drm_device->nodes[i]))
|
|
render_node_path = drm_device->nodes[i];
|
|
|
|
if (device_found && render_node_path)
|
|
return render_node_path;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static char *
|
|
get_render_node_path(const char *device_path)
|
|
{
|
|
drmDevicePtr *devices = NULL;
|
|
char *render_node_path = NULL;
|
|
int i, n_devices, max_devices;
|
|
|
|
max_devices = drmGetDevices2(0, NULL, 0);
|
|
if (max_devices <= 0)
|
|
goto out;
|
|
|
|
devices = calloc(max_devices, sizeof(drmDevicePtr));
|
|
if (!devices)
|
|
goto out;
|
|
|
|
n_devices = drmGetDevices2(0, devices, max_devices);
|
|
if (n_devices < 0)
|
|
goto out;
|
|
|
|
for (i = 0; i < n_devices; i++) {
|
|
const char *node_path = get_render_node_path_for_device(devices[i],
|
|
device_path);
|
|
if (node_path) {
|
|
render_node_path = strdup(node_path);
|
|
break;
|
|
}
|
|
}
|
|
|
|
out:
|
|
free(devices);
|
|
return render_node_path;
|
|
}
|
|
|
|
static void
|
|
xwl_drm_handle_device(void *data, struct wl_drm *drm, const char *device)
|
|
{
|
|
struct xwl_screen *xwl_screen = data;
|
|
struct xwl_gbm_private *xwl_gbm = xwl_gbm_get(xwl_screen);
|
|
drm_magic_t magic;
|
|
char *render_node_path = NULL;
|
|
|
|
if (!is_device_path_render_node(device))
|
|
render_node_path = get_render_node_path(device);
|
|
|
|
if (render_node_path)
|
|
xwl_gbm->device_name = render_node_path;
|
|
else
|
|
xwl_gbm->device_name = strdup(device);
|
|
|
|
if (!xwl_gbm->device_name) {
|
|
xwl_glamor_gbm_cleanup(xwl_screen);
|
|
return;
|
|
}
|
|
|
|
xwl_gbm->drm_fd = open(xwl_gbm->device_name, O_RDWR | O_CLOEXEC);
|
|
if (xwl_gbm->drm_fd == -1) {
|
|
ErrorF("wayland-egl: could not open %s (%s)\n",
|
|
xwl_gbm->device_name, strerror(errno));
|
|
xwl_glamor_gbm_cleanup(xwl_screen);
|
|
return;
|
|
}
|
|
|
|
if (drmGetNodeTypeFromFd(xwl_gbm->drm_fd) == DRM_NODE_RENDER) {
|
|
xwl_gbm->fd_render_node = 1;
|
|
xwl_screen->expecting_event--;
|
|
} else {
|
|
drmGetMagic(xwl_gbm->drm_fd, &magic);
|
|
wl_drm_authenticate(xwl_gbm->drm, magic);
|
|
}
|
|
}
|
|
|
|
static void
|
|
xwl_drm_handle_format(void *data, struct wl_drm *drm, uint32_t format)
|
|
{
|
|
}
|
|
|
|
static void
|
|
xwl_drm_handle_authenticated(void *data, struct wl_drm *drm)
|
|
{
|
|
struct xwl_screen *xwl_screen = data;
|
|
struct xwl_gbm_private *xwl_gbm = xwl_gbm_get(xwl_screen);
|
|
|
|
xwl_gbm->drm_authenticated = TRUE;
|
|
xwl_screen->expecting_event--;
|
|
}
|
|
|
|
static void
|
|
xwl_drm_handle_capabilities(void *data, struct wl_drm *drm, uint32_t value)
|
|
{
|
|
xwl_gbm_get(data)->capabilities = value;
|
|
}
|
|
|
|
static const struct wl_drm_listener xwl_drm_listener = {
|
|
xwl_drm_handle_device,
|
|
xwl_drm_handle_format,
|
|
xwl_drm_handle_authenticated,
|
|
xwl_drm_handle_capabilities
|
|
};
|
|
|
|
static void
|
|
xwl_dmabuf_handle_format(void *data, struct zwp_linux_dmabuf_v1 *dmabuf,
|
|
uint32_t format)
|
|
{
|
|
}
|
|
|
|
static void
|
|
xwl_dmabuf_handle_modifier(void *data, struct zwp_linux_dmabuf_v1 *dmabuf,
|
|
uint32_t format, uint32_t modifier_hi,
|
|
uint32_t modifier_lo)
|
|
{
|
|
struct xwl_screen *xwl_screen = data;
|
|
struct xwl_format *xwl_format = NULL;
|
|
int i;
|
|
|
|
for (i = 0; i < xwl_screen->num_formats; i++) {
|
|
if (xwl_screen->formats[i].format == format) {
|
|
xwl_format = &xwl_screen->formats[i];
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (xwl_format == NULL) {
|
|
xwl_screen->num_formats++;
|
|
xwl_screen->formats = realloc(xwl_screen->formats,
|
|
xwl_screen->num_formats * sizeof(*xwl_format));
|
|
if (!xwl_screen->formats)
|
|
return;
|
|
xwl_format = &xwl_screen->formats[xwl_screen->num_formats - 1];
|
|
xwl_format->format = format;
|
|
xwl_format->num_modifiers = 0;
|
|
xwl_format->modifiers = NULL;
|
|
}
|
|
|
|
xwl_format->num_modifiers++;
|
|
xwl_format->modifiers = realloc(xwl_format->modifiers,
|
|
xwl_format->num_modifiers * sizeof(uint64_t));
|
|
if (!xwl_format->modifiers)
|
|
return;
|
|
xwl_format->modifiers[xwl_format->num_modifiers - 1] = (uint64_t) modifier_lo;
|
|
xwl_format->modifiers[xwl_format->num_modifiers - 1] |= (uint64_t) modifier_hi << 32;
|
|
}
|
|
|
|
static const struct zwp_linux_dmabuf_v1_listener xwl_dmabuf_listener = {
|
|
.format = xwl_dmabuf_handle_format,
|
|
.modifier = xwl_dmabuf_handle_modifier
|
|
};
|
|
|
|
Bool
|
|
xwl_screen_set_drm_interface(struct xwl_screen *xwl_screen,
|
|
uint32_t id, uint32_t version)
|
|
{
|
|
struct xwl_gbm_private *xwl_gbm = xwl_gbm_get(xwl_screen);
|
|
|
|
if (version < 2)
|
|
return FALSE;
|
|
|
|
xwl_gbm->drm =
|
|
wl_registry_bind(xwl_screen->registry, id, &wl_drm_interface, 2);
|
|
wl_drm_add_listener(xwl_gbm->drm, &xwl_drm_listener, xwl_screen);
|
|
xwl_screen->expecting_event++;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
Bool
|
|
xwl_screen_set_dmabuf_interface(struct xwl_screen *xwl_screen,
|
|
uint32_t id, uint32_t version)
|
|
{
|
|
struct xwl_gbm_private *xwl_gbm = xwl_gbm_get(xwl_screen);
|
|
|
|
if (version < 3)
|
|
return FALSE;
|
|
|
|
xwl_gbm->dmabuf =
|
|
wl_registry_bind(xwl_screen->registry, id, &zwp_linux_dmabuf_v1_interface, 3);
|
|
zwp_linux_dmabuf_v1_add_listener(xwl_gbm->dmabuf, &xwl_dmabuf_listener, xwl_screen);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static Bool
|
|
xwl_glamor_gbm_init_wl_registry(struct xwl_screen *xwl_screen,
|
|
struct wl_registry *wl_registry,
|
|
uint32_t id, const char *name,
|
|
uint32_t version)
|
|
{
|
|
if (strcmp(name, "wl_drm") == 0) {
|
|
xwl_screen_set_drm_interface(xwl_screen, id, version);
|
|
return TRUE;
|
|
} else if (strcmp(name, "zwp_linux_dmabuf_v1") == 0) {
|
|
xwl_screen_set_dmabuf_interface(xwl_screen, id, version);
|
|
return TRUE;
|
|
}
|
|
|
|
/* no match */
|
|
return FALSE;
|
|
}
|
|
|
|
static Bool
|
|
xwl_glamor_gbm_has_egl_extension(void)
|
|
{
|
|
return (epoxy_has_egl_extension(NULL, "EGL_MESA_platform_gbm") ||
|
|
epoxy_has_egl_extension(NULL, "EGL_KHR_platform_gbm"));
|
|
}
|
|
|
|
static Bool
|
|
xwl_glamor_gbm_has_wl_interfaces(struct xwl_screen *xwl_screen)
|
|
{
|
|
struct xwl_gbm_private *xwl_gbm = xwl_gbm_get(xwl_screen);
|
|
|
|
if (xwl_gbm->drm == NULL) {
|
|
ErrorF("glamor: 'wl_drm' not supported\n");
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static Bool
|
|
xwl_glamor_try_to_make_context_current(struct xwl_screen *xwl_screen)
|
|
{
|
|
if (xwl_screen->egl_context == EGL_NO_CONTEXT)
|
|
return FALSE;
|
|
|
|
return eglMakeCurrent(xwl_screen->egl_display, EGL_NO_SURFACE,
|
|
EGL_NO_SURFACE, xwl_screen->egl_context);
|
|
}
|
|
|
|
static void
|
|
xwl_glamor_maybe_destroy_context(struct xwl_screen *xwl_screen)
|
|
{
|
|
if (xwl_screen->egl_context == EGL_NO_CONTEXT)
|
|
return;
|
|
|
|
eglMakeCurrent(xwl_screen->egl_display, EGL_NO_SURFACE,
|
|
EGL_NO_SURFACE, EGL_NO_CONTEXT);
|
|
eglDestroyContext(xwl_screen->egl_display, xwl_screen->egl_context);
|
|
xwl_screen->egl_context = EGL_NO_CONTEXT;
|
|
}
|
|
|
|
static Bool
|
|
xwl_glamor_try_big_gl_api(struct xwl_screen *xwl_screen)
|
|
{
|
|
static const EGLint config_attribs_core[] = {
|
|
EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR,
|
|
EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR,
|
|
EGL_CONTEXT_MAJOR_VERSION_KHR,
|
|
GLAMOR_GL_CORE_VER_MAJOR,
|
|
EGL_CONTEXT_MINOR_VERSION_KHR,
|
|
GLAMOR_GL_CORE_VER_MINOR,
|
|
EGL_NONE
|
|
};
|
|
int gl_version;
|
|
|
|
eglBindAPI(EGL_OPENGL_API);
|
|
|
|
xwl_screen->egl_context =
|
|
eglCreateContext(xwl_screen->egl_display, NULL,
|
|
EGL_NO_CONTEXT, config_attribs_core);
|
|
|
|
if (xwl_screen->egl_context == EGL_NO_CONTEXT)
|
|
xwl_screen->egl_context =
|
|
eglCreateContext(xwl_screen->egl_display, NULL,
|
|
EGL_NO_CONTEXT, NULL);
|
|
|
|
if (!xwl_glamor_try_to_make_context_current(xwl_screen)) {
|
|
ErrorF("Failed to make EGL context current with GL\n");
|
|
xwl_glamor_maybe_destroy_context(xwl_screen);
|
|
return FALSE;
|
|
}
|
|
|
|
/* glamor needs at least GL 2.1, if the GL version is less than 2.1,
|
|
* drop the context we created, it's useless.
|
|
*/
|
|
gl_version = epoxy_gl_version();
|
|
if (gl_version < 21) {
|
|
ErrorF("Supported GL version is not sufficient (required 21, found %i)\n",
|
|
gl_version);
|
|
xwl_glamor_maybe_destroy_context(xwl_screen);
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static Bool
|
|
xwl_glamor_try_gles_api(struct xwl_screen *xwl_screen)
|
|
{
|
|
const EGLint gles_attribs[] = {
|
|
EGL_CONTEXT_CLIENT_VERSION,
|
|
2,
|
|
EGL_NONE,
|
|
};
|
|
|
|
eglBindAPI(EGL_OPENGL_ES_API);
|
|
|
|
xwl_screen->egl_context = eglCreateContext(xwl_screen->egl_display, NULL,
|
|
EGL_NO_CONTEXT, gles_attribs);
|
|
|
|
if (!xwl_glamor_try_to_make_context_current(xwl_screen)) {
|
|
ErrorF("Failed to make EGL context current with GLES2\n");
|
|
xwl_glamor_maybe_destroy_context(xwl_screen);
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static Bool
|
|
xwl_glamor_gbm_init_egl(struct xwl_screen *xwl_screen)
|
|
{
|
|
struct xwl_gbm_private *xwl_gbm = xwl_gbm_get(xwl_screen);
|
|
EGLint major, minor;
|
|
const GLubyte *renderer;
|
|
|
|
if (!xwl_gbm->fd_render_node && !xwl_gbm->drm_authenticated) {
|
|
ErrorF("Failed to get wl_drm, disabling Glamor and DRI3\n");
|
|
return FALSE;
|
|
}
|
|
|
|
xwl_gbm->gbm = gbm_create_device(xwl_gbm->drm_fd);
|
|
if (!xwl_gbm->gbm) {
|
|
ErrorF("couldn't create gbm device\n");
|
|
goto error;
|
|
}
|
|
|
|
xwl_screen->egl_display = glamor_egl_get_display(EGL_PLATFORM_GBM_MESA,
|
|
xwl_gbm->gbm);
|
|
if (xwl_screen->egl_display == EGL_NO_DISPLAY) {
|
|
ErrorF("glamor_egl_get_display() failed\n");
|
|
goto error;
|
|
}
|
|
|
|
if (!eglInitialize(xwl_screen->egl_display, &major, &minor)) {
|
|
ErrorF("eglInitialize() failed\n");
|
|
goto error;
|
|
}
|
|
|
|
if (!xwl_glamor_try_big_gl_api(xwl_screen) &&
|
|
!xwl_glamor_try_gles_api(xwl_screen)) {
|
|
ErrorF("Cannot use neither GL nor GLES2\n");
|
|
goto error;
|
|
}
|
|
|
|
renderer = glGetString(GL_RENDERER);
|
|
if (!renderer) {
|
|
ErrorF("glGetString() returned NULL, your GL is broken\n");
|
|
goto error;
|
|
}
|
|
if (strstr((const char *)renderer, "llvmpipe")) {
|
|
ErrorF("Refusing to try glamor on llvmpipe\n");
|
|
goto error;
|
|
}
|
|
|
|
if (!epoxy_has_gl_extension("GL_OES_EGL_image")) {
|
|
ErrorF("GL_OES_EGL_image not available\n");
|
|
goto error;
|
|
}
|
|
|
|
if (epoxy_has_egl_extension(xwl_screen->egl_display,
|
|
"EXT_image_dma_buf_import") &&
|
|
epoxy_has_egl_extension(xwl_screen->egl_display,
|
|
"EXT_image_dma_buf_import_modifiers"))
|
|
xwl_gbm->dmabuf_capable = TRUE;
|
|
|
|
return TRUE;
|
|
error:
|
|
if (xwl_screen->egl_display != EGL_NO_DISPLAY) {
|
|
xwl_glamor_maybe_destroy_context(xwl_screen);
|
|
eglTerminate(xwl_screen->egl_display);
|
|
xwl_screen->egl_display = EGL_NO_DISPLAY;
|
|
}
|
|
|
|
xwl_glamor_gbm_cleanup(xwl_screen);
|
|
return FALSE;
|
|
}
|
|
|
|
static Bool
|
|
xwl_glamor_gbm_init_screen(struct xwl_screen *xwl_screen)
|
|
{
|
|
struct xwl_gbm_private *xwl_gbm = xwl_gbm_get(xwl_screen);
|
|
|
|
if (!dri3_screen_init(xwl_screen->screen, &xwl_dri3_info)) {
|
|
ErrorF("Failed to initialize dri3\n");
|
|
goto error;
|
|
}
|
|
|
|
if (xwl_gbm->fd_render_node)
|
|
goto skip_drm_auth;
|
|
|
|
if (!dixRegisterPrivateKey(&xwl_auth_state_private_key, PRIVATE_CLIENT,
|
|
0)) {
|
|
ErrorF("Failed to register private key\n");
|
|
goto error;
|
|
}
|
|
|
|
if (!AddCallback(&ClientStateCallback, xwl_auth_state_client_callback,
|
|
NULL)) {
|
|
ErrorF("Failed to add client state callback\n");
|
|
goto error;
|
|
}
|
|
|
|
skip_drm_auth:
|
|
xwl_screen->screen->CreatePixmap = xwl_glamor_gbm_create_pixmap;
|
|
xwl_screen->screen->DestroyPixmap = xwl_glamor_gbm_destroy_pixmap;
|
|
|
|
return TRUE;
|
|
error:
|
|
xwl_glamor_gbm_cleanup(xwl_screen);
|
|
return FALSE;
|
|
}
|
|
|
|
void
|
|
xwl_glamor_init_gbm(struct xwl_screen *xwl_screen)
|
|
{
|
|
struct xwl_gbm_private *xwl_gbm;
|
|
|
|
xwl_screen->gbm_backend.is_available = FALSE;
|
|
|
|
if (!xwl_glamor_gbm_has_egl_extension())
|
|
return;
|
|
|
|
if (!dixRegisterPrivateKey(&xwl_gbm_private_key, PRIVATE_SCREEN, 0))
|
|
return;
|
|
|
|
xwl_gbm = calloc(sizeof(*xwl_gbm), 1);
|
|
if (!xwl_gbm) {
|
|
ErrorF("glamor: Not enough memory to setup GBM, disabling\n");
|
|
return;
|
|
}
|
|
|
|
dixSetPrivate(&xwl_screen->screen->devPrivates, &xwl_gbm_private_key,
|
|
xwl_gbm);
|
|
|
|
xwl_screen->gbm_backend.init_wl_registry = xwl_glamor_gbm_init_wl_registry;
|
|
xwl_screen->gbm_backend.has_wl_interfaces = xwl_glamor_gbm_has_wl_interfaces;
|
|
xwl_screen->gbm_backend.init_egl = xwl_glamor_gbm_init_egl;
|
|
xwl_screen->gbm_backend.init_screen = xwl_glamor_gbm_init_screen;
|
|
xwl_screen->gbm_backend.get_wl_buffer_for_pixmap = xwl_glamor_gbm_get_wl_buffer_for_pixmap;
|
|
xwl_screen->gbm_backend.is_available = TRUE;
|
|
xwl_screen->gbm_backend.backend_flags = XWL_EGL_BACKEND_HAS_PRESENT_FLIP |
|
|
XWL_EGL_BACKEND_NEEDS_BUFFER_FLUSH |
|
|
XWL_EGL_BACKEND_NEEDS_N_BUFFERING;
|
|
}
|