Multi-GPU DRM
This commit is contained in:
parent
fa3d0ed929
commit
009c3747a8
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@ -109,7 +109,8 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) {
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wlr_log(L_INFO, "Found %zu GPUs", num_gpus);
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wlr_log(L_INFO, "Found %zu GPUs", num_gpus);
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for (size_t i = 0; i < num_gpus; ++i) {
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for (size_t i = 0; i < num_gpus; ++i) {
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struct wlr_backend *drm = wlr_drm_backend_create(display, session, gpus[i]);
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struct wlr_backend *drm = wlr_drm_backend_create(display, session,
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gpus[i], primary_drm);
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if (!drm) {
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if (!drm) {
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wlr_log(L_ERROR, "Failed to open DRM device");
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wlr_log(L_ERROR, "Failed to open DRM device");
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continue;
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continue;
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@ -92,8 +92,9 @@ static void drm_invalidated(struct wl_listener *listener, void *data) {
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}
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}
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struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
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struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
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struct wlr_session *session, int gpu_fd) {
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struct wlr_session *session, int gpu_fd, struct wlr_backend *parent) {
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assert(display && session && gpu_fd >= 0);
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assert(display && session && gpu_fd >= 0);
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assert(!parent || wlr_backend_is_drm(parent));
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char *name = drmGetDeviceNameFromFd2(gpu_fd);
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char *name = drmGetDeviceNameFromFd2(gpu_fd);
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drmVersion *version = drmGetVersion(gpu_fd);
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drmVersion *version = drmGetVersion(gpu_fd);
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@ -116,6 +117,7 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
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}
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}
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drm->fd = gpu_fd;
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drm->fd = gpu_fd;
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drm->parent = (struct wlr_drm_backend *)parent;
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drm->drm_invalidated.notify = drm_invalidated;
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drm->drm_invalidated.notify = drm_invalidated;
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wlr_session_signal_add(session, gpu_fd, &drm->drm_invalidated);
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wlr_session_signal_add(session, gpu_fd, &drm->drm_invalidated);
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@ -186,6 +186,10 @@ static void wlr_drm_connector_swap_buffers(struct wlr_output *output) {
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struct wlr_drm_plane *plane = crtc->primary;
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struct wlr_drm_plane *plane = crtc->primary;
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struct gbm_bo *bo = wlr_drm_surface_swap_buffers(&plane->surf);
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struct gbm_bo *bo = wlr_drm_surface_swap_buffers(&plane->surf);
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if (drm->parent) {
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bo = wlr_drm_surface_mgpu_copy(&plane->mgpu_surf, bo);
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}
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uint32_t fb_id = get_fb_for_bo(bo);
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uint32_t fb_id = get_fb_for_bo(bo);
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if (drm->iface->crtc_pageflip(drm, conn, crtc, fb_id, NULL)) {
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if (drm->iface->crtc_pageflip(drm, conn, crtc, fb_id, NULL)) {
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@ -217,7 +221,8 @@ void wlr_drm_connector_start_renderer(struct wlr_drm_connector *conn) {
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struct wlr_drm_crtc *crtc = conn->crtc;
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struct wlr_drm_crtc *crtc = conn->crtc;
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struct wlr_drm_plane *plane = crtc->primary;
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struct wlr_drm_plane *plane = crtc->primary;
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struct gbm_bo *bo = wlr_drm_surface_get_front(&plane->surf);
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struct gbm_bo *bo = wlr_drm_surface_get_front(
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drm->parent ? &plane->mgpu_surf : &plane->surf);
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uint32_t fb_id = get_fb_for_bo(bo);
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uint32_t fb_id = get_fb_for_bo(bo);
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struct wlr_drm_mode *mode = (struct wlr_drm_mode *)conn->output.current_mode;
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struct wlr_drm_mode *mode = (struct wlr_drm_mode *)conn->output.current_mode;
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@ -393,7 +398,6 @@ static bool wlr_drm_connector_set_mode(struct wlr_output *output,
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wlr_log(L_INFO, "Modesetting '%s' with '%ux%u@%u mHz'", conn->output.name,
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wlr_log(L_INFO, "Modesetting '%s' with '%ux%u@%u mHz'", conn->output.name,
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mode->width, mode->height, mode->refresh);
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mode->width, mode->height, mode->refresh);
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wlr_log(L_DEBUG, "%p %p", conn, drm);
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conn->possible_crtc = get_possible_crtcs(drm->fd, conn->id);
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conn->possible_crtc = get_possible_crtcs(drm->fd, conn->id);
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if (conn->possible_crtc == 0) {
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if (conn->possible_crtc == 0) {
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goto error_conn;
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goto error_conn;
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@ -430,9 +434,8 @@ static bool wlr_drm_connector_set_mode(struct wlr_output *output,
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continue;
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continue;
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}
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}
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if (!wlr_drm_surface_init(&crtc->primary->surf, &drm->renderer,
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if (!wlr_drm_plane_surfaces_init(crtc->primary, drm,
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mode->width, mode->height, GBM_FORMAT_XRGB8888,
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mode->width, mode->height, GBM_FORMAT_XRGB8888)) {
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GBM_BO_USE_SCANOUT)) {
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wlr_log(L_ERROR, "Failed to initalise renderer for plane");
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wlr_log(L_ERROR, "Failed to initalise renderer for plane");
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goto error_conn;
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goto error_conn;
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}
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}
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@ -782,10 +785,9 @@ static void page_flip_handler(int fd, unsigned seq,
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return;
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return;
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}
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}
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struct wlr_drm_plane *plane = conn->crtc->primary;
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wlr_drm_surface_post(&conn->crtc->primary->surf);
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if (plane->surf.front) {
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if (drm->parent) {
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gbm_surface_release_buffer(plane->surf.gbm, plane->surf.front);
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wlr_drm_surface_post(&conn->crtc->primary->mgpu_surf);
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plane->surf.front = NULL;
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}
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}
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if (drm->session->active) {
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if (drm->session->active) {
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@ -855,6 +857,7 @@ void wlr_drm_connector_cleanup(struct wlr_drm_connector *conn) {
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struct wlr_drm_crtc *crtc = conn->crtc;
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struct wlr_drm_crtc *crtc = conn->crtc;
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for (int i = 0; i < 3; ++i) {
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for (int i = 0; i < 3; ++i) {
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wlr_drm_surface_finish(&crtc->planes[i]->surf);
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wlr_drm_surface_finish(&crtc->planes[i]->surf);
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wlr_drm_surface_finish(&crtc->planes[i]->mgpu_surf);
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if (crtc->planes[i] && crtc->planes[i]->id == 0) {
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if (crtc->planes[i] && crtc->planes[i]->id == 0) {
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free(crtc->planes[i]);
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free(crtc->planes[i]);
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crtc->planes[i] = NULL;
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crtc->planes[i] = NULL;
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@ -1,12 +1,18 @@
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#include <stdbool.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <gbm.h>
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#include <gbm.h>
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#include <GLES2/gl2.h>
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#include <GLES2/gl2.h>
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#include <EGL/egl.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <EGL/eglext.h>
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#include <wayland-util.h>
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#include <wlr/egl.h>
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#include <wlr/egl.h>
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#include <wlr/util/log.h>
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#include <wlr/util/log.h>
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#include <wlr/render/matrix.h>
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#include <wlr/render/gles2.h>
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#include <wlr/render.h>
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#include "backend/drm/drm.h"
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#include "backend/drm/drm.h"
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bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, int fd) {
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bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, int fd) {
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@ -22,6 +28,9 @@ bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, int fd) {
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return false;
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return false;
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}
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}
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struct wlr_drm_backend *drm = wl_container_of(renderer, drm, renderer);
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renderer->wlr_rend = wlr_gles2_renderer_create(&drm->backend);
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renderer->fd = fd;
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renderer->fd = fd;
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return true;
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return true;
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}
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}
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@ -121,3 +130,111 @@ struct gbm_bo *wlr_drm_surface_get_front(struct wlr_drm_surface *surf) {
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glClear(GL_COLOR_BUFFER_BIT);
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glClear(GL_COLOR_BUFFER_BIT);
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return wlr_drm_surface_swap_buffers(surf);
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return wlr_drm_surface_swap_buffers(surf);
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}
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}
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void wlr_drm_surface_post(struct wlr_drm_surface *surf) {
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if (surf->front) {
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gbm_surface_release_buffer(surf->gbm, surf->front);
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surf->front = NULL;
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}
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}
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struct tex {
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struct wlr_egl *egl;
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EGLImageKHR img;
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struct wlr_texture *tex;
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};
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static void free_eglimage(struct gbm_bo *bo, void *data) {
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struct tex *tex = data;
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wlr_egl_destroy_image(tex->egl, tex->img);
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wlr_texture_destroy(tex->tex);
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free(tex);
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}
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static struct wlr_texture *get_tex_for_bo(struct wlr_drm_renderer *renderer, struct gbm_bo *bo) {
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struct tex *tex = gbm_bo_get_user_data(bo);
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if (tex) {
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return tex->tex;
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}
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tex = malloc(sizeof(*tex));
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if (!tex) {
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wlr_log_errno(L_ERROR, "Allocation failed");
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return NULL;
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}
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tex->egl = &renderer->egl;
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int dmabuf_fd = gbm_bo_get_fd(bo);
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uint32_t width = gbm_bo_get_width(bo);
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uint32_t height = gbm_bo_get_height(bo);
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EGLint attribs[] = {
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EGL_WIDTH, width,
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EGL_HEIGHT, height,
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EGL_LINUX_DRM_FOURCC_EXT, gbm_bo_get_format(bo),
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EGL_DMA_BUF_PLANE0_FD_EXT, dmabuf_fd,
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EGL_DMA_BUF_PLANE0_OFFSET_EXT, gbm_bo_get_offset(bo, 0),
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EGL_DMA_BUF_PLANE0_PITCH_EXT, gbm_bo_get_stride_for_plane(bo, 0),
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EGL_IMAGE_PRESERVED_KHR, EGL_FALSE,
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EGL_NONE,
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};
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tex->img = renderer->egl.eglCreateImageKHR(renderer->egl.display, EGL_NO_CONTEXT,
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EGL_LINUX_DMA_BUF_EXT, NULL, attribs);
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if (!tex->img) {
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wlr_log(L_ERROR, "Failed to create EGL image: %s", egl_error());
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abort();
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}
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tex->tex = wlr_render_texture_create(renderer->wlr_rend);
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wlr_texture_upload_eglimage(tex->tex, tex->img, width, height);
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gbm_bo_set_user_data(bo, tex, free_eglimage);
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return tex->tex;
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}
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struct gbm_bo *wlr_drm_surface_mgpu_copy(struct wlr_drm_surface *dest, struct gbm_bo *src) {
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wlr_drm_surface_make_current(dest);
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struct wlr_texture *tex = get_tex_for_bo(dest->renderer, src);
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static const float matrix[16] = {
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[0] = 2.0f,
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[3] = -1.0f,
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[5] = 2.0f,
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[7] = -1.0f,
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[10] = 1.0f,
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[15] = 1.0f,
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};
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glViewport(0, 0, dest->width, dest->height);
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glClearColor(0.0, 0.0, 0.0, 1.0);
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glClear(GL_COLOR_BUFFER_BIT);
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wlr_render_with_matrix(dest->renderer->wlr_rend, tex, &matrix);
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return wlr_drm_surface_swap_buffers(dest);
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}
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bool wlr_drm_plane_surfaces_init(struct wlr_drm_plane *plane, struct wlr_drm_backend *drm,
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int32_t width, uint32_t height, uint32_t format) {
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if (!drm->parent) {
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return wlr_drm_surface_init(&plane->surf, &drm->renderer, width, height,
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format, GBM_BO_USE_SCANOUT);
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}
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if (!wlr_drm_surface_init(&plane->surf, &drm->parent->renderer,
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width, height, format, GBM_BO_USE_LINEAR)) {
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return false;
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}
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if (!wlr_drm_surface_init(&plane->mgpu_surf, &drm->renderer,
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width, height, format, GBM_BO_USE_SCANOUT)) {
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wlr_drm_surface_finish(&plane->surf);
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return false;
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}
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return true;
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}
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@ -26,6 +26,7 @@ struct wlr_drm_plane {
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uint32_t possible_crtcs;
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uint32_t possible_crtcs;
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struct wlr_drm_surface surf;
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struct wlr_drm_surface surf;
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struct wlr_drm_surface mgpu_surf;
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// Only used by cursor
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// Only used by cursor
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float matrix[16];
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float matrix[16];
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@ -58,6 +59,7 @@ struct wlr_drm_crtc {
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struct wlr_drm_backend {
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struct wlr_drm_backend {
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struct wlr_backend backend;
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struct wlr_backend backend;
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struct wlr_drm_backend *parent;
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const struct wlr_drm_interface *iface;
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const struct wlr_drm_interface *iface;
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int fd;
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int fd;
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@ -7,10 +7,16 @@
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#include <EGL/egl.h>
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#include <EGL/egl.h>
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#include <gbm.h>
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#include <gbm.h>
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#include <wlr/render.h>
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struct wlr_drm_plane;
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struct wlr_drm_renderer {
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struct wlr_drm_renderer {
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int fd;
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int fd;
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struct gbm_device *gbm;
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struct gbm_device *gbm;
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struct wlr_egl egl;
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struct wlr_egl egl;
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struct wlr_renderer *wlr_rend;
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};
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};
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struct wlr_drm_surface {
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struct wlr_drm_surface {
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@ -33,9 +39,14 @@ bool wlr_drm_surface_init(struct wlr_drm_surface *surf,
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struct wlr_drm_renderer *renderer, uint32_t width, uint32_t height,
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struct wlr_drm_renderer *renderer, uint32_t width, uint32_t height,
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uint32_t format, uint32_t flags);
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uint32_t format, uint32_t flags);
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bool wlr_drm_plane_surfaces_init(struct wlr_drm_plane *plane, struct wlr_drm_backend *drm,
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int32_t width, uint32_t height, uint32_t format);
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void wlr_drm_surface_finish(struct wlr_drm_surface *surf);
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void wlr_drm_surface_finish(struct wlr_drm_surface *surf);
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void wlr_drm_surface_make_current(struct wlr_drm_surface *surf);
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void wlr_drm_surface_make_current(struct wlr_drm_surface *surf);
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struct gbm_bo *wlr_drm_surface_swap_buffers(struct wlr_drm_surface *surf);
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struct gbm_bo *wlr_drm_surface_swap_buffers(struct wlr_drm_surface *surf);
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struct gbm_bo *wlr_drm_surface_get_front(struct wlr_drm_surface *surf);
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struct gbm_bo *wlr_drm_surface_get_front(struct wlr_drm_surface *surf);
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void wlr_drm_surface_post(struct wlr_drm_surface *surf);
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struct gbm_bo *wlr_drm_surface_mgpu_copy(struct wlr_drm_surface *dest, struct gbm_bo *src);
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#endif
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#endif
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@ -6,7 +6,7 @@
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#include <wlr/backend.h>
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#include <wlr/backend.h>
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struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
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struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
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struct wlr_session *session, int gpu_fd);
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struct wlr_session *session, int gpu_fd, struct wlr_backend *parent);
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bool wlr_backend_is_drm(struct wlr_backend *backend);
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bool wlr_backend_is_drm(struct wlr_backend *backend);
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@ -2,6 +2,8 @@
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#define WLR_RENDER_H
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#define WLR_RENDER_H
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||||||
|
|
||||||
#include <stdint.h>
|
#include <stdint.h>
|
||||||
|
#include <EGL/egl.h>
|
||||||
|
#include <EGL/eglext.h>
|
||||||
#include <wayland-server-protocol.h>
|
#include <wayland-server-protocol.h>
|
||||||
#include <wlr/types/wlr_output.h>
|
#include <wlr/types/wlr_output.h>
|
||||||
|
|
||||||
|
@ -96,6 +98,9 @@ bool wlr_texture_upload_shm(struct wlr_texture *tex, uint32_t format,
|
||||||
bool wlr_texture_upload_drm(struct wlr_texture *tex,
|
bool wlr_texture_upload_drm(struct wlr_texture *tex,
|
||||||
struct wl_resource *drm_buffer);
|
struct wl_resource *drm_buffer);
|
||||||
|
|
||||||
|
bool wlr_texture_upload_eglimage(struct wlr_texture *tex,
|
||||||
|
EGLImageKHR image, uint32_t width, uint32_t height);
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Copies a rectangle of pixels from a wl_shm_buffer onto the texture. The
|
* Copies a rectangle of pixels from a wl_shm_buffer onto the texture. The
|
||||||
* buffer is not accessed after this function returns. Under some circumstances,
|
* buffer is not accessed after this function returns. Under some circumstances,
|
||||||
|
|
|
@ -2,6 +2,8 @@
|
||||||
#define WLR_RENDER_INTERFACE_H
|
#define WLR_RENDER_INTERFACE_H
|
||||||
|
|
||||||
#include <wayland-server-protocol.h>
|
#include <wayland-server-protocol.h>
|
||||||
|
#include <EGL/egl.h>
|
||||||
|
#include <EGL/eglext.h>
|
||||||
#include <stdbool.h>
|
#include <stdbool.h>
|
||||||
#include <wlr/render.h>
|
#include <wlr/render.h>
|
||||||
#include <wlr/types/wlr_output.h>
|
#include <wlr/types/wlr_output.h>
|
||||||
|
@ -45,6 +47,8 @@ struct wlr_texture_impl {
|
||||||
int x, int y, int width, int height, struct wl_shm_buffer *shm);
|
int x, int y, int width, int height, struct wl_shm_buffer *shm);
|
||||||
bool (*upload_drm)(struct wlr_texture *texture,
|
bool (*upload_drm)(struct wlr_texture *texture,
|
||||||
struct wl_resource *drm_buf);
|
struct wl_resource *drm_buf);
|
||||||
|
bool (*upload_eglimage)(struct wlr_texture *texture, EGLImageKHR image,
|
||||||
|
uint32_t width, uint32_t height);
|
||||||
void (*get_matrix)(struct wlr_texture *state,
|
void (*get_matrix)(struct wlr_texture *state,
|
||||||
float (*matrix)[16], const float (*projection)[16], int x, int y);
|
float (*matrix)[16], const float (*projection)[16], int x, int y);
|
||||||
void (*get_buffer_size)(struct wlr_texture *texture,
|
void (*get_buffer_size)(struct wlr_texture *texture,
|
||||||
|
|
|
@ -205,6 +205,25 @@ static bool gles2_texture_upload_drm(struct wlr_texture *_tex,
|
||||||
return true;
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static bool gles2_texture_upload_eglimage(struct wlr_texture *wlr_tex,
|
||||||
|
EGLImageKHR image, uint32_t width, uint32_t height) {
|
||||||
|
struct wlr_gles2_texture *tex = (struct wlr_gles2_texture *)wlr_tex;
|
||||||
|
|
||||||
|
tex->image = image;
|
||||||
|
tex->pixel_format = &external_pixel_format;
|
||||||
|
tex->wlr_texture.valid = true;
|
||||||
|
tex->wlr_texture.width = width;
|
||||||
|
tex->wlr_texture.height = height;
|
||||||
|
|
||||||
|
gles2_texture_ensure_texture(tex);
|
||||||
|
|
||||||
|
GL_CALL(glActiveTexture(GL_TEXTURE0));
|
||||||
|
GL_CALL(glBindTexture(GL_TEXTURE_EXTERNAL_OES, tex->tex_id));
|
||||||
|
GL_CALL(glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, tex->image));
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
static void gles2_texture_get_matrix(struct wlr_texture *_texture,
|
static void gles2_texture_get_matrix(struct wlr_texture *_texture,
|
||||||
float (*matrix)[16], const float (*projection)[16], int x, int y) {
|
float (*matrix)[16], const float (*projection)[16], int x, int y) {
|
||||||
struct wlr_gles2_texture *texture = (struct wlr_gles2_texture *)_texture;
|
struct wlr_gles2_texture *texture = (struct wlr_gles2_texture *)_texture;
|
||||||
|
@ -270,6 +289,7 @@ static struct wlr_texture_impl wlr_texture_impl = {
|
||||||
.upload_shm = gles2_texture_upload_shm,
|
.upload_shm = gles2_texture_upload_shm,
|
||||||
.update_shm = gles2_texture_update_shm,
|
.update_shm = gles2_texture_update_shm,
|
||||||
.upload_drm = gles2_texture_upload_drm,
|
.upload_drm = gles2_texture_upload_drm,
|
||||||
|
.upload_eglimage = gles2_texture_upload_eglimage,
|
||||||
.get_matrix = gles2_texture_get_matrix,
|
.get_matrix = gles2_texture_get_matrix,
|
||||||
.get_buffer_size = gles2_texture_get_buffer_size,
|
.get_buffer_size = gles2_texture_get_buffer_size,
|
||||||
.bind = gles2_texture_bind,
|
.bind = gles2_texture_bind,
|
||||||
|
|
|
@ -48,6 +48,11 @@ bool wlr_texture_upload_drm(struct wlr_texture *texture,
|
||||||
return texture->impl->upload_drm(texture, drm_buffer);
|
return texture->impl->upload_drm(texture, drm_buffer);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
bool wlr_texture_upload_eglimage(struct wlr_texture *texture,
|
||||||
|
EGLImageKHR image, uint32_t width, uint32_t height) {
|
||||||
|
return texture->impl->upload_eglimage(texture, image, width, height);
|
||||||
|
}
|
||||||
|
|
||||||
void wlr_texture_get_matrix(struct wlr_texture *texture,
|
void wlr_texture_get_matrix(struct wlr_texture *texture,
|
||||||
float (*matrix)[16], const float (*projection)[16], int x, int y) {
|
float (*matrix)[16], const float (*projection)[16], int x, int y) {
|
||||||
texture->impl->get_matrix(texture, matrix, projection, x, y);
|
texture->impl->get_matrix(texture, matrix, projection, x, y);
|
||||||
|
|
Loading…
Reference in New Issue