Add initial linux_dmabuf protocol support
Tested with
./weston-simple-dmabuf-drm
./weston-simple-dmabuf-drm --import-immediate=1
./weston-simple-dmabuf-drm --y-inverted=1
(and combinations)
Supports only single plane XRGB dmabufs for now.
This commit is contained in:
Guido Günther
parent
2d0db16942
commit
14cdb6153f
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@ -123,6 +123,8 @@ bool wlr_texture_upload_drm(struct wlr_texture *tex,
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bool wlr_texture_upload_eglimage(struct wlr_texture *tex,
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EGLImageKHR image, uint32_t width, uint32_t height);
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bool wlr_texture_upload_dmabuf(struct wlr_texture *tex,
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struct wl_resource *dmabuf_resource);
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/**
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* Copies a rectangle of pixels from a wl_shm_buffer onto the texture. The
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* buffer is not accessed after this function returns. Under some circumstances,
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@ -6,6 +6,7 @@
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#include <pixman.h>
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#include <stdbool.h>
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#include <wayland-server.h>
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#include <wlr/types/wlr_linux_dmabuf.h>
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struct wlr_egl {
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EGLDisplay display;
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@ -18,6 +19,8 @@ struct wlr_egl {
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struct {
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bool buffer_age;
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bool swap_buffers_with_damage;
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bool dmabuf_import;
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bool dmabuf_import_modifiers;
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} egl_exts;
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struct wl_display *wl_display;
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@ -61,6 +64,31 @@ EGLSurface wlr_egl_create_surface(struct wlr_egl *egl, void *window);
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EGLImageKHR wlr_egl_create_image(struct wlr_egl *egl,
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EGLenum target, EGLClientBuffer buffer, const EGLint *attribs);
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/**
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* Creates an egl image from the given dmabuf attributes. Check usability
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* of the dmabuf with wlr_egl_check_import_dmabuf once first.
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*/
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EGLImageKHR wlr_egl_create_image_from_dmabuf(struct wlr_egl *egl,
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struct wlr_dmabuf_buffer_attribs *attributes);
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/**
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* Try to import the given dmabuf. On success return true false otherwise.
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* If this succeeds the dmabuf can be used for rendering on a texture
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*/
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bool wlr_egl_check_import_dmabuf(struct wlr_egl *egl,
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struct wlr_dmabuf_buffer *dmabuf);
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/**
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* Get the available dmabuf formats
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*/
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int wlr_egl_get_dmabuf_formats(struct wlr_egl *egl, int **formats);
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/**
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* Get the available dmabuf modifiers for a given format
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*/
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int wlr_egl_get_dmabuf_modifiers(struct wlr_egl *egl, int format,
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uint64_t **modifiers);
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/**
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* Destroys an egl image created with the given wlr_egl.
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*/
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@ -8,6 +8,7 @@
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#include <wlr/render.h>
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#include <wlr/types/wlr_box.h>
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#include <wlr/types/wlr_output.h>
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#include <wlr/types/wlr_linux_dmabuf.h>
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struct wlr_renderer_impl;
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@ -58,6 +59,8 @@ struct wlr_texture_impl {
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struct wl_resource *drm_buf);
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bool (*upload_eglimage)(struct wlr_texture *texture, EGLImageKHR image,
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uint32_t width, uint32_t height);
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bool (*upload_dmabuf)(struct wlr_texture *texture,
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struct wl_resource *dmabuf_resource);
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void (*get_matrix)(struct wlr_texture *state,
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float (*matrix)[16], const float (*projection)[16], int x, int y);
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void (*get_buffer_size)(struct wlr_texture *texture,
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@ -0,0 +1,84 @@
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#ifndef WLR_TYPES_WLR_LINUX_DMABUF_H
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#define WLR_TYPES_WLR_LINUX_DMABUF_H
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#define WLR_LINUX_DMABUF_MAX_PLANES 4
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#include <stdint.h>
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#include <wayland-server-protocol.h>
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/* So we don't have to pull in linux specific drm headers */
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#ifndef DRM_FORMAT_MOD_INVALID
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#define DRM_FORMAT_MOD_INVALID ((1ULL<<56) - 1)
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#endif
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struct wlr_dmabuf_buffer_attribs {
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/* set via params_add */
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int n_planes;
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uint32_t offset[WLR_LINUX_DMABUF_MAX_PLANES];
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uint32_t stride[WLR_LINUX_DMABUF_MAX_PLANES];
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uint64_t modifier[WLR_LINUX_DMABUF_MAX_PLANES];
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int fd[WLR_LINUX_DMABUF_MAX_PLANES];
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/* set via params_create */
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int32_t width;
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int32_t height;
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uint32_t format;
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uint32_t flags; /* enum zlinux_buffer_params_flags */
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};
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struct wlr_dmabuf_buffer {
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struct wlr_egl *egl;
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struct wl_resource *buffer_resource;
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struct wl_resource *params_resource;
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struct wlr_dmabuf_buffer_attribs attributes;
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};
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/**
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* Returns true if the given resource was created via the linux-dmabuf
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* buffer protocol, false otherwise
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*/
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bool wlr_dmabuf_resource_is_buffer(struct wl_resource *buffer_resource);
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/**
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* Returns the wlr_dmabuf_buffer if the given resource was created
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* via the linux-dmabuf buffer protocol
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*/
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struct wlr_dmabuf_buffer *wlr_dmabuf_buffer_from_buffer_resource(
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struct wl_resource *buffer_resource);
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/**
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* Returns the wlr_dmabuf_buffer if the given resource was created
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* via the linux-dmabuf params protocol
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*/
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struct wlr_dmabuf_buffer *wlr_dmabuf_buffer_from_params_resource(
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struct wl_resource *params_resource);
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/**
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* Returns true if the given dmabuf has y-axis inverted, false otherwise
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*/
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bool wlr_dmabuf_buffer_has_inverted_y(struct wlr_dmabuf_buffer *dmabuf);
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/* the protocol interface */
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struct wlr_linux_dmabuf {
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struct wl_global *wl_global;
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struct wl_listener display_destroy;
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struct wlr_egl *egl;
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};
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/**
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* Create linux-dmabuf interface
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*/
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struct wlr_linux_dmabuf *wlr_linux_dmabuf_create(struct wl_display *display,
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struct wlr_egl *egl);
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/**
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* Destroy the linux-dmabuf interface
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*/
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void wlr_linux_dmabuf_destroy(struct wlr_linux_dmabuf *linux_dmabuf);
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/**
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* Returns the wlr_linux_dmabuf if the given resource was created
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* via the linux_dmabuf protocol
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*/
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struct wlr_linux_dmabuf *wlr_linux_dmabuf_from_resource(
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struct wl_resource *resource);
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#endif
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@ -23,6 +23,7 @@ wayland_scanner_client = generator(
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protocols = [
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[wl_protocol_dir, 'stable/xdg-shell/xdg-shell.xml'],
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[wl_protocol_dir, 'unstable/idle-inhibit/idle-inhibit-unstable-v1.xml'],
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[wl_protocol_dir, 'unstable/linux-dmabuf/linux-dmabuf-unstable-v1.xml'],
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[wl_protocol_dir, 'unstable/xdg-shell/xdg-shell-unstable-v6.xml'],
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'gamma-control.xml',
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'gtk-primary-selection.xml',
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135
render/egl.c
135
render/egl.c
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@ -167,6 +167,12 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
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check_egl_ext(egl->egl_exts_str, "EGL_EXT_swap_buffers_with_damage") ||
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check_egl_ext(egl->egl_exts_str, "EGL_KHR_swap_buffers_with_damage");
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egl->egl_exts.dmabuf_import =
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check_egl_ext(egl->egl_exts_str, "EGL_EXT_image_dma_buf_import");
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egl->egl_exts.dmabuf_import_modifiers =
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check_egl_ext(egl->egl_exts_str, "EGL_EXT_image_dma_buf_import_modifiers")
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&& eglQueryDmaBufFormatsEXT && eglQueryDmaBufModifiersEXT;
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return true;
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error:
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@ -299,3 +305,132 @@ bool wlr_egl_swap_buffers(struct wlr_egl *egl, EGLSurface surface,
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}
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return true;
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}
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EGLImage wlr_egl_create_image_from_dmabuf(struct wlr_egl *egl,
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struct wlr_dmabuf_buffer_attribs *attributes) {
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int atti = 0;
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EGLint attribs[20];
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attribs[atti++] = EGL_WIDTH;
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attribs[atti++] = attributes->width;
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attribs[atti++] = EGL_HEIGHT;
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attribs[atti++] = attributes->height;
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attribs[atti++] = EGL_LINUX_DRM_FOURCC_EXT;
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attribs[atti++] = attributes->format;
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bool has_modifier = false;
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if (attributes->modifier[0] != DRM_FORMAT_MOD_INVALID) {
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if (!egl->egl_exts.dmabuf_import_modifiers) {
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return NULL;
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}
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has_modifier = true;
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}
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/* TODO: YUV planes have up four planes but we only support a
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single EGLImage for now */
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if (attributes->n_planes > 1) {
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return NULL;
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}
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attribs[atti++] = EGL_DMA_BUF_PLANE0_FD_EXT;
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attribs[atti++] = attributes->fd[0];
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attribs[atti++] = EGL_DMA_BUF_PLANE0_OFFSET_EXT;
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attribs[atti++] = attributes->offset[0];
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attribs[atti++] = EGL_DMA_BUF_PLANE0_PITCH_EXT;
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attribs[atti++] = attributes->stride[0];
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if (has_modifier) {
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attribs[atti++] = EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT;
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attribs[atti++] = attributes->modifier[0] & 0xFFFFFFFF;
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attribs[atti++] = EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT;
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attribs[atti++] = attributes->modifier[0] >> 32;
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}
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attribs[atti++] = EGL_NONE;
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return eglCreateImageKHR(egl->display, EGL_NO_CONTEXT,
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EGL_LINUX_DMA_BUF_EXT, NULL, attribs);
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}
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#ifndef DRM_FORMAT_BIG_ENDIAN
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# define DRM_FORMAT_BIG_ENDIAN 0x80000000
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#endif
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bool wlr_egl_check_import_dmabuf(struct wlr_egl *egl,
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struct wlr_dmabuf_buffer *dmabuf) {
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switch (dmabuf->attributes.format & ~DRM_FORMAT_BIG_ENDIAN) {
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/* YUV based formats not yet supported */
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case WL_SHM_FORMAT_YUYV:
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case WL_SHM_FORMAT_YVYU:
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case WL_SHM_FORMAT_UYVY:
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case WL_SHM_FORMAT_VYUY:
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case WL_SHM_FORMAT_AYUV:
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return false;
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default:
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break;
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}
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EGLImage egl_image = wlr_egl_create_image_from_dmabuf(egl,
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&dmabuf->attributes);
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if (egl_image) {
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/* We can import the image, good. No need to keep it
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since wlr_texture_upload_dmabuf will import it again */
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wlr_egl_destroy_image(egl, egl_image);
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return true;
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}
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/* TODO: import yuv dmabufs */
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return false;
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}
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int wlr_egl_get_dmabuf_formats(struct wlr_egl *egl,
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int **formats) {
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if (!egl->egl_exts.dmabuf_import ||
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!egl->egl_exts.dmabuf_import_modifiers) {
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wlr_log(L_ERROR, "dmabuf extension not present");
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return -1;
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}
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EGLint num;
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if (!eglQueryDmaBufFormatsEXT(egl->display, 0, NULL, &num)) {
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wlr_log(L_ERROR, "failed to query number of dmabuf formats");
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return -1;
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}
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*formats = calloc(num, sizeof(int));
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if (*formats == NULL) {
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wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
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return -1;
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}
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if (!eglQueryDmaBufFormatsEXT(egl->display, num, *formats, &num)) {
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wlr_log(L_ERROR, "failed to query dmabuf format");
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free(*formats);
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return -1;
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}
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return num;
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}
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int wlr_egl_get_dmabuf_modifiers(struct wlr_egl *egl,
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int format, uint64_t **modifiers) {
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if (!egl->egl_exts.dmabuf_import ||
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!egl->egl_exts.dmabuf_import_modifiers) {
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wlr_log(L_ERROR, "dmabuf extension not present");
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return -1;
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}
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EGLint num;
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if (!eglQueryDmaBufModifiersEXT(egl->display, format, 0,
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NULL, NULL, &num)) {
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wlr_log(L_ERROR, "failed to query dmabuf number of modifiers");
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return -1;
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}
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*modifiers = calloc(num, sizeof(uint64_t));
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if (*modifiers == NULL) {
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wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
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return -1;
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}
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if (!eglQueryDmaBufModifiersEXT(egl->display, format, num,
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*modifiers, NULL, &num)) {
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wlr_log(L_ERROR, "failed to query dmabuf modifiers");
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free(*modifiers);
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return -1;
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}
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return num;
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}
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@ -8,3 +8,5 @@ eglCreatePlatformWindowSurfaceEXT
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-glEGLImageTargetTexture2DOES
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-eglSwapBuffersWithDamageEXT
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-eglSwapBuffersWithDamageKHR
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-eglQueryDmaBufFormatsEXT
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-eglQueryDmaBufModifiersEXT
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@ -227,6 +227,42 @@ static bool gles2_texture_upload_eglimage(struct wlr_texture *wlr_tex,
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return true;
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}
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static bool gles2_texture_upload_dmabuf(struct wlr_texture *_tex,
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struct wl_resource *dmabuf_resource) {
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struct wlr_gles2_texture *tex = (struct wlr_gles2_texture *)_tex;
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struct wlr_dmabuf_buffer *dmabuf = wlr_dmabuf_buffer_from_buffer_resource(
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dmabuf_resource);
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if (!tex->egl->egl_exts.dmabuf_import) {
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wlr_log(L_ERROR, "Want dmabuf but extension not present");
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return false;
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}
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tex->wlr_texture.width = dmabuf->attributes.width;
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tex->wlr_texture.height = dmabuf->attributes.height;
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if (tex->image) {
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wlr_egl_destroy_image(tex->egl, tex->image);
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}
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if (wlr_dmabuf_buffer_has_inverted_y(dmabuf)) {
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_tex->inverted_y = true;
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}
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GLenum target = GL_TEXTURE_2D;
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const struct pixel_format *pf =
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gl_format_for_wl_format(WL_SHM_FORMAT_ARGB8888);
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gles2_texture_ensure_texture(tex);
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GL_CALL(glBindTexture(target, tex->tex_id));
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tex->image = wlr_egl_create_image_from_dmabuf(tex->egl, &dmabuf->attributes);
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GL_CALL(glActiveTexture(GL_TEXTURE0));
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GL_CALL(glEGLImageTargetTexture2DOES(target, tex->image));
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tex->pixel_format = pf;
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tex->wlr_texture.valid = true;
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return true;
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}
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static void gles2_texture_get_matrix(struct wlr_texture *_texture,
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float (*matrix)[16], const float (*projection)[16], int x, int y) {
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struct wlr_gles2_texture *texture = (struct wlr_gles2_texture *)_texture;
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@ -240,6 +276,21 @@ static void gles2_texture_get_matrix(struct wlr_texture *_texture,
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wlr_matrix_mul(projection, matrix, matrix);
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}
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static bool gles2_texture_get_dmabuf_size(struct wlr_texture *texture, struct
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wl_resource *resource, int *width, int *height) {
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if (!wlr_dmabuf_resource_is_buffer(resource)) {
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return false;
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}
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struct wlr_dmabuf_buffer *dmabuf = wlr_dmabuf_buffer_from_buffer_resource(
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resource);
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*width = dmabuf->attributes.width;
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*height = dmabuf->attributes.height;
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return true;
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}
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static void gles2_texture_get_buffer_size(struct wlr_texture *texture, struct
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wl_resource *resource, int *width, int *height) {
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struct wl_shm_buffer *buffer = wl_shm_buffer_get(resource);
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@ -250,10 +301,12 @@ static void gles2_texture_get_buffer_size(struct wlr_texture *texture, struct
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}
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if (!wlr_egl_query_buffer(tex->egl, resource, EGL_WIDTH,
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(EGLint*)width)) {
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wlr_log(L_ERROR, "could not get size of the buffer "
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"(no buffer found)");
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if (!gles2_texture_get_dmabuf_size(texture, resource,
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width, height)) {
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wlr_log(L_ERROR, "could not get size of the buffer");
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return;
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};
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}
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}
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wlr_egl_query_buffer(tex->egl, resource, EGL_HEIGHT,
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(EGLint*)height);
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@ -292,6 +345,7 @@ static struct wlr_texture_impl wlr_texture_impl = {
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.upload_shm = gles2_texture_upload_shm,
|
||||
.update_shm = gles2_texture_update_shm,
|
||||
.upload_drm = gles2_texture_upload_drm,
|
||||
.upload_dmabuf = gles2_texture_upload_dmabuf,
|
||||
.upload_eglimage = gles2_texture_upload_eglimage,
|
||||
.get_matrix = gles2_texture_get_matrix,
|
||||
.get_buffer_size = gles2_texture_get_buffer_size,
|
||||
|
|
|
|||
|
|
@ -53,6 +53,11 @@ bool wlr_texture_upload_eglimage(struct wlr_texture *texture,
|
|||
return texture->impl->upload_eglimage(texture, image, width, height);
|
||||
}
|
||||
|
||||
bool wlr_texture_upload_dmabuf(struct wlr_texture *texture,
|
||||
struct wl_resource *dmabuf_resource) {
|
||||
return texture->impl->upload_dmabuf(texture, dmabuf_resource);
|
||||
}
|
||||
|
||||
void wlr_texture_get_matrix(struct wlr_texture *texture,
|
||||
float (*matrix)[16], const float (*projection)[16], int x, int y) {
|
||||
texture->impl->get_matrix(texture, matrix, projection, x, y);
|
||||
|
|
|
|||
|
|
@ -9,6 +9,7 @@ lib_wlr_types = static_library(
|
|||
'wlr_idle.c',
|
||||
'wlr_input_device.c',
|
||||
'wlr_keyboard.c',
|
||||
'wlr_linux_dmabuf.c',
|
||||
'wlr_list.c',
|
||||
'wlr_output_damage.c',
|
||||
'wlr_output_layout.c',
|
||||
|
|
|
|||
|
|
@ -0,0 +1,464 @@
|
|||
#ifndef _POSIX_C_SOURCE
|
||||
#define _POSIX_C_SOURCE 200809L
|
||||
#endif
|
||||
#include <assert.h>
|
||||
#include <stdlib.h>
|
||||
#include <unistd.h>
|
||||
#include <wayland-server.h>
|
||||
#include <wlr/render.h>
|
||||
#include <wlr/render/egl.h>
|
||||
#include <wlr/types/wlr_linux_dmabuf.h>
|
||||
#include <wlr/util/log.h>
|
||||
#include "linux-dmabuf-unstable-v1-protocol.h"
|
||||
|
||||
static void wl_buffer_destroy(struct wl_client *client,
|
||||
struct wl_resource *resource) {
|
||||
wl_resource_destroy(resource);
|
||||
}
|
||||
|
||||
static const struct wl_buffer_interface wl_buffer_impl = {
|
||||
wl_buffer_destroy,
|
||||
};
|
||||
|
||||
bool wlr_dmabuf_buffer_has_inverted_y(struct wlr_dmabuf_buffer *dmabuf) {
|
||||
return dmabuf->attributes.flags
|
||||
& ZWP_LINUX_BUFFER_PARAMS_V1_FLAGS_Y_INVERT;
|
||||
}
|
||||
|
||||
bool wlr_dmabuf_resource_is_buffer(struct wl_resource *buffer_resource) {
|
||||
if (!wl_resource_instance_of(buffer_resource, &wl_buffer_interface,
|
||||
&wl_buffer_impl)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
struct wlr_dmabuf_buffer *buffer = wl_resource_get_user_data(buffer_resource);
|
||||
if (buffer && buffer->buffer_resource && !buffer->params_resource &&
|
||||
buffer->buffer_resource == buffer_resource) {
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
struct wlr_dmabuf_buffer *wlr_dmabuf_buffer_from_buffer_resource(
|
||||
struct wl_resource *buffer_resource) {
|
||||
assert(wl_resource_instance_of(buffer_resource, &wl_buffer_interface,
|
||||
&wl_buffer_impl));
|
||||
|
||||
struct wlr_dmabuf_buffer *buffer = wl_resource_get_user_data(buffer_resource);
|
||||
assert(buffer);
|
||||
assert(buffer->buffer_resource);
|
||||
assert(!buffer->params_resource);
|
||||
assert(buffer->buffer_resource == buffer_resource);
|
||||
|
||||
return buffer;
|
||||
}
|
||||
|
||||
static void linux_dmabuf_buffer_destroy(struct wlr_dmabuf_buffer *buffer) {
|
||||
for (int i = 0; i < buffer->attributes.n_planes; i++) {
|
||||
close(buffer->attributes.fd[i]);
|
||||
buffer->attributes.fd[i] = -1;
|
||||
}
|
||||
buffer->attributes.n_planes = 0;
|
||||
free(buffer);
|
||||
}
|
||||
|
||||
static void params_destroy(struct wl_client *client, struct wl_resource *resource) {
|
||||
wl_resource_destroy(resource);
|
||||
}
|
||||
|
||||
static void params_add(struct wl_client *client,
|
||||
struct wl_resource *params_resource, int32_t name_fd,
|
||||
uint32_t plane_idx, uint32_t offset, uint32_t stride,
|
||||
uint32_t modifier_hi, uint32_t modifier_lo) {
|
||||
struct wlr_dmabuf_buffer *buffer = wlr_dmabuf_buffer_from_params_resource(
|
||||
params_resource);
|
||||
|
||||
if (!buffer) {
|
||||
wl_resource_post_error(params_resource,
|
||||
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_ALREADY_USED,
|
||||
"params was already used to create a wl_buffer");
|
||||
close(name_fd);
|
||||
return;
|
||||
}
|
||||
|
||||
if (plane_idx >= WLR_LINUX_DMABUF_MAX_PLANES) {
|
||||
wl_resource_post_error(params_resource,
|
||||
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_PLANE_IDX,
|
||||
"plane index %u > %u", plane_idx, WLR_LINUX_DMABUF_MAX_PLANES);
|
||||
close(name_fd);
|
||||
return;
|
||||
}
|
||||
|
||||
if (buffer->attributes.fd[plane_idx] != -1) {
|
||||
wl_resource_post_error(params_resource,
|
||||
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_PLANE_SET,
|
||||
"a dmabuf with id %d has already been added for plane %u",
|
||||
buffer->attributes.fd[plane_idx],
|
||||
plane_idx);
|
||||
close(name_fd);
|
||||
return;
|
||||
}
|
||||
|
||||
buffer->attributes.fd[plane_idx] = name_fd;
|
||||
buffer->attributes.offset[plane_idx] = offset;
|
||||
buffer->attributes.stride[plane_idx] = stride;
|
||||
buffer->attributes.modifier[plane_idx] = ((uint64_t)modifier_hi << 32) |
|
||||
modifier_lo;
|
||||
buffer->attributes.n_planes++;
|
||||
}
|
||||
|
||||
static void handle_buffer_destroy(struct wl_resource *buffer_resource)
|
||||
{
|
||||
struct wlr_dmabuf_buffer *buffer = wlr_dmabuf_buffer_from_buffer_resource(
|
||||
buffer_resource);
|
||||
|
||||
linux_dmabuf_buffer_destroy(buffer);
|
||||
}
|
||||
|
||||
static void params_create_common(struct wl_client *client,
|
||||
struct wl_resource *params_resource, uint32_t buffer_id, int32_t width,
|
||||
int32_t height, uint32_t format, uint32_t flags) {
|
||||
if (!wl_resource_get_user_data(params_resource)) {
|
||||
wl_resource_post_error(params_resource,
|
||||
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_ALREADY_USED,
|
||||
"params was already used to create a wl_buffer");
|
||||
return;
|
||||
}
|
||||
struct wlr_dmabuf_buffer *buffer = wlr_dmabuf_buffer_from_params_resource(
|
||||
params_resource);
|
||||
|
||||
/* Switch the linux_dmabuf_buffer object from params resource to
|
||||
* eventually wl_buffer resource. */
|
||||
wl_resource_set_user_data(buffer->params_resource, NULL);
|
||||
buffer->params_resource = NULL;
|
||||
|
||||
if (!buffer->attributes.n_planes) {
|
||||
wl_resource_post_error(params_resource,
|
||||
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_INCOMPLETE,
|
||||
"no dmabuf has been added to the params");
|
||||
goto err_out;
|
||||
}
|
||||
|
||||
/* TODO: support more planes */
|
||||
if (buffer->attributes.n_planes != 1) {
|
||||
wl_resource_post_error(params_resource,
|
||||
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_INCOMPLETE,
|
||||
"only single plane buffers supported not %d",
|
||||
buffer->attributes.n_planes);
|
||||
goto err_out;
|
||||
}
|
||||
|
||||
if (buffer->attributes.fd[0] == -1) {
|
||||
wl_resource_post_error(params_resource,
|
||||
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_INCOMPLETE,
|
||||
"no dmabuf has been added for plane");
|
||||
goto err_out;
|
||||
}
|
||||
|
||||
buffer->attributes.width = width;
|
||||
buffer->attributes.height = height;
|
||||
buffer->attributes.format = format;
|
||||
buffer->attributes.flags = flags;
|
||||
|
||||
if (width < 1 || height < 1) {
|
||||
wl_resource_post_error(params_resource,
|
||||
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_INVALID_DIMENSIONS,
|
||||
"invalid width %d or height %d", width, height);
|
||||
goto err_out;
|
||||
}
|
||||
|
||||
if ((uint64_t)buffer->attributes.offset[0] + buffer->attributes.stride[0] > UINT32_MAX) {
|
||||
wl_resource_post_error(params_resource,
|
||||
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_OUT_OF_BOUNDS,
|
||||
"size overflow for plane");
|
||||
goto err_out;
|
||||
}
|
||||
|
||||
if ((uint64_t)buffer->attributes.offset[0] +
|
||||
(uint64_t) buffer->attributes.stride[0] * height > UINT32_MAX) {
|
||||
wl_resource_post_error(params_resource,
|
||||
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_OUT_OF_BOUNDS,
|
||||
"size overflow for plane");
|
||||
goto err_out;
|
||||
}
|
||||
|
||||
off_t size = lseek(buffer->attributes.fd[0], 0, SEEK_END);
|
||||
if (size != -1) { /* Skip checks if kernel does no support seek on buffer */
|
||||
if (buffer->attributes.offset[0] >= size) {
|
||||
wl_resource_post_error(params_resource,
|
||||
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_OUT_OF_BOUNDS,
|
||||
"invalid offset %i for plane",
|
||||
buffer->attributes.offset[0]);
|
||||
goto err_out;
|
||||
}
|
||||
|
||||
if (buffer->attributes.offset[0] + buffer->attributes.stride[0] > size) {
|
||||
wl_resource_post_error(params_resource,
|
||||
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_OUT_OF_BOUNDS,
|
||||
"invalid stride %i for plane",
|
||||
buffer->attributes.stride[0]);
|
||||
goto err_out;
|
||||
}
|
||||
|
||||
if (buffer->attributes.offset[0] + buffer->attributes.stride[0] * height > size) {
|
||||
wl_resource_post_error(params_resource,
|
||||
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_OUT_OF_BOUNDS,
|
||||
"invalid buffer stride or height for plane");
|
||||
goto err_out;
|
||||
}
|
||||
}
|
||||
|
||||
/* reject unknown flags */
|
||||
if (buffer->attributes.flags & ~ZWP_LINUX_BUFFER_PARAMS_V1_FLAGS_Y_INVERT) {
|
||||
wl_resource_post_error(params_resource,
|
||||
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_INVALID_FORMAT,
|
||||
"Unknown dmabuf flags %"PRIu32, buffer->attributes.flags);
|
||||
goto err_out;
|
||||
}
|
||||
|
||||
/* Check if dmabuf is usable */
|
||||
if (!wlr_egl_check_import_dmabuf(buffer->egl, buffer)) {
|
||||
goto err_failed;
|
||||
}
|
||||
|
||||
buffer->buffer_resource = wl_resource_create(client, &wl_buffer_interface,
|
||||
1, buffer_id);
|
||||
if (!buffer->buffer_resource) {
|
||||
wl_resource_post_no_memory(params_resource);
|
||||
goto err_failed;
|
||||
}
|
||||
|
||||
wl_resource_set_implementation(buffer->buffer_resource,
|
||||
&wl_buffer_impl, buffer, handle_buffer_destroy);
|
||||
|
||||
/* send 'created' event when the request is not for an immediate
|
||||
* import, that is buffer_id is zero */
|
||||
if (buffer_id == 0) {
|
||||
zwp_linux_buffer_params_v1_send_created(params_resource,
|
||||
buffer->buffer_resource);
|
||||
}
|
||||
return;
|
||||
|
||||
err_failed:
|
||||
if (buffer_id == 0) {
|
||||
zwp_linux_buffer_params_v1_send_failed(params_resource);
|
||||
} else {
|
||||
/* since the behavior is left implementation defined by the
|
||||
* protocol in case of create_immed failure due to an unknown cause,
|
||||
* we choose to treat it as a fatal error and immediately kill the
|
||||
* client instead of creating an invalid handle and waiting for it
|
||||
* to be used.
|
||||
*/
|
||||
wl_resource_post_error(params_resource,
|
||||
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_INVALID_WL_BUFFER,
|
||||
"importing the supplied dmabufs failed");
|
||||
}
|
||||
err_out:
|
||||
linux_dmabuf_buffer_destroy(buffer);
|
||||
return;
|
||||
}
|
||||
|
||||
static void params_create(struct wl_client *client,
|
||||
struct wl_resource *params_resource,
|
||||
int32_t width, int32_t height,uint32_t format, uint32_t flags) {
|
||||
params_create_common(client, params_resource, 0, width, height, format, flags);
|
||||
}
|
||||
|
||||
static void params_create_immed(struct wl_client *client,
|
||||
struct wl_resource *params_resource, uint32_t buffer_id,
|
||||
int32_t width, int32_t height,uint32_t format, uint32_t flags) {
|
||||
params_create_common(client, params_resource, buffer_id, width, height, format, flags);
|
||||
}
|
||||
|
||||
static const struct zwp_linux_buffer_params_v1_interface linux_buffer_params_impl = {
|
||||
params_destroy,
|
||||
params_add,
|
||||
params_create,
|
||||
params_create_immed,
|
||||
};
|
||||
|
||||
struct wlr_dmabuf_buffer *wlr_dmabuf_buffer_from_params_resource(
|
||||
struct wl_resource *params_resource) {
|
||||
assert(wl_resource_instance_of(params_resource,
|
||||
&zwp_linux_buffer_params_v1_interface,
|
||||
&linux_buffer_params_impl));
|
||||
|
||||
struct wlr_dmabuf_buffer *buffer = wl_resource_get_user_data(params_resource);
|
||||
assert(buffer);
|
||||
assert(buffer->params_resource);
|
||||
assert(!buffer->buffer_resource);
|
||||
assert(buffer->params_resource == params_resource);
|
||||
|
||||
return buffer;
|
||||
}
|
||||
|
||||
static void handle_params_destroy(struct wl_resource *params_resource) {
|
||||
/* Check for NULL since wlr_dmabuf_buffer_from_params_resource will choke */
|
||||
if (!wl_resource_get_user_data(params_resource)) {
|
||||
return;
|
||||
}
|
||||
|
||||
struct wlr_dmabuf_buffer *buffer =
|
||||
wlr_dmabuf_buffer_from_params_resource(params_resource);
|
||||
linux_dmabuf_buffer_destroy(buffer);
|
||||
}
|
||||
|
||||
static void linux_dmabuf_create_params(struct wl_client *client,
|
||||
struct wl_resource *linux_dmabuf_resource,
|
||||
uint32_t params_id) {
|
||||
struct wlr_linux_dmabuf *linux_dmabuf = wlr_linux_dmabuf_from_resource(
|
||||
linux_dmabuf_resource);
|
||||
|
||||
uint32_t version = wl_resource_get_version(linux_dmabuf_resource);
|
||||
struct wlr_dmabuf_buffer *buffer = calloc(1, sizeof *buffer);
|
||||
if (!buffer) {
|
||||
goto err;
|
||||
}
|
||||
|
||||
for (int i = 0; i < WLR_LINUX_DMABUF_MAX_PLANES; i++) {
|
||||
buffer->attributes.fd[i] = -1;
|
||||
}
|
||||
|
||||
buffer->egl = linux_dmabuf->egl;
|
||||
buffer->params_resource = wl_resource_create(client,
|
||||
&zwp_linux_buffer_params_v1_interface,
|
||||
version, params_id);
|
||||
if (!buffer->params_resource) {
|
||||
goto err_free;
|
||||
}
|
||||
|
||||
wl_resource_set_implementation(buffer->params_resource,
|
||||
&linux_buffer_params_impl,buffer, handle_params_destroy);
|
||||
return;
|
||||
|
||||
err_free:
|
||||
free(buffer);
|
||||
err:
|
||||
wl_resource_post_no_memory(linux_dmabuf_resource);
|
||||
}
|
||||
|
||||
static void linux_dmabuf_destroy(struct wl_client *client, struct wl_resource *resource) {
|
||||
wl_resource_destroy(resource);
|
||||
}
|
||||
|
||||
static const struct zwp_linux_dmabuf_v1_interface linux_dmabuf_impl = {
|
||||
linux_dmabuf_destroy,
|
||||
linux_dmabuf_create_params
|
||||
};
|
||||
|
||||
struct wlr_linux_dmabuf *wlr_linux_dmabuf_from_resource(
|
||||
struct wl_resource *resource) {
|
||||
assert(wl_resource_instance_of(resource, &zwp_linux_dmabuf_v1_interface,
|
||||
&linux_dmabuf_impl));
|
||||
|
||||
struct wlr_linux_dmabuf *dmabuf = wl_resource_get_user_data(resource);
|
||||
assert(dmabuf);
|
||||
return dmabuf;
|
||||
}
|
||||
|
||||
static void linux_dmabuf_send_modifiers(struct wlr_linux_dmabuf *linux_dmabuf,
|
||||
struct wl_resource *resource) {
|
||||
struct wlr_egl *egl = linux_dmabuf->egl;
|
||||
/*
|
||||
* Use EGL_EXT_image_dma_buf_import_modifiers to query and advertise
|
||||
* format/modifier codes.
|
||||
*/
|
||||
uint64_t modifier_invalid = DRM_FORMAT_MOD_INVALID;
|
||||
int *formats = NULL;
|
||||
int num_formats = wlr_egl_get_dmabuf_formats(egl, &formats);
|
||||
|
||||
if (num_formats < 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
for (int i = 0; i < num_formats; i++) {
|
||||
int num_modifiers;
|
||||
uint64_t *modifiers = NULL;
|
||||
|
||||
num_modifiers = wlr_egl_get_dmabuf_modifiers(egl, formats[i],
|
||||
&modifiers);
|
||||
if (num_modifiers < 0) {
|
||||
return;
|
||||
}
|
||||
/* send DRM_FORMAT_MOD_INVALID token when no modifiers are supported
|
||||
* for this format */
|
||||
if (num_modifiers == 0) {
|
||||
num_modifiers = 1;
|
||||
modifiers = &modifier_invalid;
|
||||
}
|
||||
for (int j = 0; j < num_modifiers; j++) {
|
||||
uint32_t modifier_lo = modifiers[j] & 0xFFFFFFFF;
|
||||
uint32_t modifier_hi = modifiers[j] >> 32;
|
||||
zwp_linux_dmabuf_v1_send_modifier(resource, formats[i],
|
||||
modifier_hi,
|
||||
modifier_lo);
|
||||
}
|
||||
if (modifiers != &modifier_invalid) {
|
||||
free(modifiers);
|
||||
}
|
||||
}
|
||||
free(formats);
|
||||
}
|
||||
|
||||
static void linux_dmabuf_bind(struct wl_client *client,
|
||||
void *data, uint32_t version, uint32_t id) {
|
||||
struct wlr_linux_dmabuf *linux_dmabuf = data;
|
||||
struct wl_resource *resource = wl_resource_create(client,
|
||||
&zwp_linux_dmabuf_v1_interface,
|
||||
version, id);
|
||||
|
||||
if (resource == NULL) {
|
||||
wl_client_post_no_memory(client);
|
||||
return;
|
||||
}
|
||||
|
||||
wl_resource_set_implementation(resource, &linux_dmabuf_impl,
|
||||
linux_dmabuf, NULL);
|
||||
if (version < ZWP_LINUX_DMABUF_V1_MODIFIER_SINCE_VERSION) {
|
||||
return;
|
||||
}
|
||||
|
||||
linux_dmabuf_send_modifiers(linux_dmabuf, resource);
|
||||
}
|
||||
|
||||
void wlr_linux_dmabuf_destroy(struct wlr_linux_dmabuf *linux_dmabuf) {
|
||||
if (!linux_dmabuf) {
|
||||
return;
|
||||
}
|
||||
wl_list_remove(&linux_dmabuf->display_destroy.link);
|
||||
|
||||
wl_global_destroy(linux_dmabuf->wl_global);
|
||||
free(linux_dmabuf);
|
||||
}
|
||||
|
||||
static void handle_display_destroy(struct wl_listener *listener, void *data) {
|
||||
struct wlr_linux_dmabuf *linux_dmabuf = wl_container_of(listener, linux_dmabuf, display_destroy);
|
||||
wlr_linux_dmabuf_destroy(linux_dmabuf);
|
||||
}
|
||||
|
||||
struct wlr_linux_dmabuf *wlr_linux_dmabuf_create(struct wl_display *display,
|
||||
struct wlr_egl *egl) {
|
||||
struct wlr_linux_dmabuf *linux_dmabuf =
|
||||
calloc(1, sizeof(struct wlr_linux_dmabuf));
|
||||
if (linux_dmabuf == NULL) {
|
||||
wlr_log(L_ERROR, "could not create simple dmabuf manager");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
linux_dmabuf->display_destroy.notify = handle_display_destroy;
|
||||
wl_display_add_destroy_listener(display, &linux_dmabuf->display_destroy);
|
||||
|
||||
linux_dmabuf->wl_global =
|
||||
wl_global_create(display, &zwp_linux_dmabuf_v1_interface,
|
||||
3, linux_dmabuf, linux_dmabuf_bind);
|
||||
|
||||
linux_dmabuf->egl = egl;
|
||||
if (!linux_dmabuf->wl_global) {
|
||||
wlr_log(L_ERROR, "could not create linux dmabuf v1 wl global");
|
||||
free(linux_dmabuf);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return linux_dmabuf;
|
||||
}
|
||||
|
|
@ -325,6 +325,10 @@ static void wlr_surface_apply_damage(struct wlr_surface *surface,
|
|||
surface->current->buffer)) {
|
||||
wlr_texture_upload_drm(surface->texture, surface->current->buffer);
|
||||
goto release;
|
||||
} else if (wlr_dmabuf_resource_is_buffer(
|
||||
surface->current->buffer)) {
|
||||
wlr_texture_upload_dmabuf(surface->texture, surface->current->buffer);
|
||||
goto release;
|
||||
} else {
|
||||
wlr_log(L_INFO, "Unknown buffer handle attached");
|
||||
return;
|
||||
|
|
|
|||
Loading…
Reference in New Issue