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https://github.com/hyprwm/wlroots-hyprland.git
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render: introduce wlr_renderer_get_drm_fd
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c8d95acc37
commit
eb8360bda3
5 changed files with 34 additions and 0 deletions
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@ -35,6 +35,7 @@ struct wlr_gles2_renderer {
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struct wlr_renderer wlr_renderer;
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struct wlr_egl *egl;
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int drm_fd;
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const char *exts_str;
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struct {
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@ -72,6 +72,7 @@ struct wlr_renderer_impl {
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bool (*blit_dmabuf)(struct wlr_renderer *renderer,
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struct wlr_dmabuf_attributes *dst,
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struct wlr_dmabuf_attributes *src);
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int (*get_drm_fd)(struct wlr_renderer *renderer);
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};
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void wlr_renderer_init(struct wlr_renderer *renderer,
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@ -131,6 +131,13 @@ bool wlr_renderer_format_supported(struct wlr_renderer *r,
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bool wlr_renderer_init_wl_display(struct wlr_renderer *r,
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struct wl_display *wl_display);
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/**
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* Obtains the FD of the DRM device used for rendering, or -1 if unavailable.
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*
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* The caller doesn't have ownership of the FD, it must not close it.
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*/
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int wlr_renderer_get_drm_fd(struct wlr_renderer *r);
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/**
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* Destroys this wlr_renderer. Textures must be destroyed separately.
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*/
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@ -4,6 +4,7 @@
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <wayland-server-protocol.h>
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#include <wayland-util.h>
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#include <wlr/render/egl.h>
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@ -644,6 +645,17 @@ static bool gles2_init_wl_display(struct wlr_renderer *wlr_renderer,
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return true;
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}
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static int gles2_get_drm_fd(struct wlr_renderer *wlr_renderer) {
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struct wlr_gles2_renderer *renderer =
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gles2_get_renderer(wlr_renderer);
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if (renderer->drm_fd < 0) {
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renderer->drm_fd = wlr_egl_dup_drm_fd(renderer->egl);
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}
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return renderer->drm_fd;
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}
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struct wlr_egl *wlr_gles2_renderer_get_egl(struct wlr_renderer *wlr_renderer) {
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struct wlr_gles2_renderer *renderer =
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gles2_get_renderer(wlr_renderer);
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@ -675,6 +687,10 @@ static void gles2_destroy(struct wlr_renderer *wlr_renderer) {
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wlr_egl_unset_current(renderer->egl);
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if (renderer->drm_fd >= 0) {
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close(renderer->drm_fd);
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}
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free(renderer);
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}
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@ -700,6 +716,7 @@ static const struct wlr_renderer_impl renderer_impl = {
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.texture_from_dmabuf = gles2_texture_from_dmabuf,
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.init_wl_display = gles2_init_wl_display,
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.blit_dmabuf = gles2_blit_dmabuf,
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.get_drm_fd = gles2_get_drm_fd,
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};
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void push_gles2_debug_(struct wlr_gles2_renderer *renderer,
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@ -856,6 +873,7 @@ struct wlr_renderer *wlr_gles2_renderer_create(struct wlr_egl *egl) {
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renderer->egl = egl;
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renderer->exts_str = exts_str;
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renderer->drm_fd = -1;
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wlr_log(WLR_INFO, "Using %s", glGetString(GL_VERSION));
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wlr_log(WLR_INFO, "GL vendor: %s", glGetString(GL_VENDOR));
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@ -269,3 +269,10 @@ struct wlr_renderer *wlr_renderer_autocreate(struct wlr_egl *egl,
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return renderer;
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}
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int wlr_renderer_get_drm_fd(struct wlr_renderer *r) {
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if (!r->impl->get_drm_fd) {
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return -1;
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}
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return r->impl->get_drm_fd(r);
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}
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