diff options
author | Guido Günther <agx@sigxcpu.org> | 2018-02-23 18:45:16 +0100 |
---|---|---|
committer | Guido Günther <agx@sigxcpu.org> | 2018-03-15 12:40:18 +0100 |
commit | 14cdb6153f4293d7e058465ab4acaebd6e1f647c (patch) | |
tree | f9a523c0499b80609827378d44105501bf8caf92 /include/wlr | |
parent | 2d0db169422b74e5ef7c07965c376273c7bb2961 (diff) |
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.
Diffstat (limited to 'include/wlr')
-rw-r--r-- | include/wlr/render.h | 2 | ||||
-rw-r--r-- | include/wlr/render/egl.h | 28 | ||||
-rw-r--r-- | include/wlr/render/interface.h | 3 | ||||
-rw-r--r-- | include/wlr/types/wlr_linux_dmabuf.h | 84 |
4 files changed, 117 insertions, 0 deletions
diff --git a/include/wlr/render.h b/include/wlr/render.h index 77449556..9080175f 100644 --- a/include/wlr/render.h +++ b/include/wlr/render.h @@ -123,6 +123,8 @@ bool wlr_texture_upload_drm(struct wlr_texture *tex, bool wlr_texture_upload_eglimage(struct wlr_texture *tex, EGLImageKHR image, uint32_t width, uint32_t height); +bool wlr_texture_upload_dmabuf(struct wlr_texture *tex, + struct wl_resource *dmabuf_resource); /** * 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, diff --git a/include/wlr/render/egl.h b/include/wlr/render/egl.h index 97a28016..f05a9837 100644 --- a/include/wlr/render/egl.h +++ b/include/wlr/render/egl.h @@ -6,6 +6,7 @@ #include <pixman.h> #include <stdbool.h> #include <wayland-server.h> +#include <wlr/types/wlr_linux_dmabuf.h> struct wlr_egl { EGLDisplay display; @@ -18,6 +19,8 @@ struct wlr_egl { struct { bool buffer_age; bool swap_buffers_with_damage; + bool dmabuf_import; + bool dmabuf_import_modifiers; } egl_exts; struct wl_display *wl_display; @@ -62,6 +65,31 @@ EGLImageKHR wlr_egl_create_image(struct wlr_egl *egl, EGLenum target, EGLClientBuffer buffer, const EGLint *attribs); /** + * Creates an egl image from the given dmabuf attributes. Check usability + * of the dmabuf with wlr_egl_check_import_dmabuf once first. + */ +EGLImageKHR wlr_egl_create_image_from_dmabuf(struct wlr_egl *egl, + struct wlr_dmabuf_buffer_attribs *attributes); + +/** + * Try to import the given dmabuf. On success return true false otherwise. + * If this succeeds the dmabuf can be used for rendering on a texture + */ +bool wlr_egl_check_import_dmabuf(struct wlr_egl *egl, + struct wlr_dmabuf_buffer *dmabuf); + +/** + * Get the available dmabuf formats + */ +int wlr_egl_get_dmabuf_formats(struct wlr_egl *egl, int **formats); + +/** + * Get the available dmabuf modifiers for a given format + */ +int wlr_egl_get_dmabuf_modifiers(struct wlr_egl *egl, int format, + uint64_t **modifiers); + +/** * Destroys an egl image created with the given wlr_egl. */ bool wlr_egl_destroy_image(struct wlr_egl *egl, EGLImageKHR image); diff --git a/include/wlr/render/interface.h b/include/wlr/render/interface.h index eda5af1c..2ba584d9 100644 --- a/include/wlr/render/interface.h +++ b/include/wlr/render/interface.h @@ -8,6 +8,7 @@ #include <wlr/render.h> #include <wlr/types/wlr_box.h> #include <wlr/types/wlr_output.h> +#include <wlr/types/wlr_linux_dmabuf.h> struct wlr_renderer_impl; @@ -58,6 +59,8 @@ struct wlr_texture_impl { struct wl_resource *drm_buf); bool (*upload_eglimage)(struct wlr_texture *texture, EGLImageKHR image, uint32_t width, uint32_t height); + bool (*upload_dmabuf)(struct wlr_texture *texture, + struct wl_resource *dmabuf_resource); void (*get_matrix)(struct wlr_texture *state, float (*matrix)[16], const float (*projection)[16], int x, int y); void (*get_buffer_size)(struct wlr_texture *texture, diff --git a/include/wlr/types/wlr_linux_dmabuf.h b/include/wlr/types/wlr_linux_dmabuf.h new file mode 100644 index 00000000..9d71e598 --- /dev/null +++ b/include/wlr/types/wlr_linux_dmabuf.h @@ -0,0 +1,84 @@ +#ifndef WLR_TYPES_WLR_LINUX_DMABUF_H +#define WLR_TYPES_WLR_LINUX_DMABUF_H + +#define WLR_LINUX_DMABUF_MAX_PLANES 4 + +#include <stdint.h> +#include <wayland-server-protocol.h> + +/* So we don't have to pull in linux specific drm headers */ +#ifndef DRM_FORMAT_MOD_INVALID +#define DRM_FORMAT_MOD_INVALID ((1ULL<<56) - 1) +#endif + +struct wlr_dmabuf_buffer_attribs { + /* set via params_add */ + int n_planes; + uint32_t offset[WLR_LINUX_DMABUF_MAX_PLANES]; + uint32_t stride[WLR_LINUX_DMABUF_MAX_PLANES]; + uint64_t modifier[WLR_LINUX_DMABUF_MAX_PLANES]; + int fd[WLR_LINUX_DMABUF_MAX_PLANES]; + /* set via params_create */ + int32_t width; + int32_t height; + uint32_t format; + uint32_t flags; /* enum zlinux_buffer_params_flags */ +}; + +struct wlr_dmabuf_buffer { + struct wlr_egl *egl; + struct wl_resource *buffer_resource; + struct wl_resource *params_resource; + struct wlr_dmabuf_buffer_attribs attributes; +}; + +/** + * Returns true if the given resource was created via the linux-dmabuf + * buffer protocol, false otherwise + */ +bool wlr_dmabuf_resource_is_buffer(struct wl_resource *buffer_resource); + +/** + * Returns the wlr_dmabuf_buffer if the given resource was created + * via the linux-dmabuf buffer protocol + */ +struct wlr_dmabuf_buffer *wlr_dmabuf_buffer_from_buffer_resource( + struct wl_resource *buffer_resource); + +/** + * Returns the wlr_dmabuf_buffer if the given resource was created + * via the linux-dmabuf params protocol + */ +struct wlr_dmabuf_buffer *wlr_dmabuf_buffer_from_params_resource( + struct wl_resource *params_resource); + +/** + * Returns true if the given dmabuf has y-axis inverted, false otherwise + */ +bool wlr_dmabuf_buffer_has_inverted_y(struct wlr_dmabuf_buffer *dmabuf); + +/* the protocol interface */ +struct wlr_linux_dmabuf { + struct wl_global *wl_global; + struct wl_listener display_destroy; + struct wlr_egl *egl; +}; + +/** + * Create linux-dmabuf interface + */ +struct wlr_linux_dmabuf *wlr_linux_dmabuf_create(struct wl_display *display, + struct wlr_egl *egl); +/** + * Destroy the linux-dmabuf interface + */ +void wlr_linux_dmabuf_destroy(struct wlr_linux_dmabuf *linux_dmabuf); + +/** + * Returns the wlr_linux_dmabuf if the given resource was created + * via the linux_dmabuf protocol + */ +struct wlr_linux_dmabuf *wlr_linux_dmabuf_from_resource( + struct wl_resource *resource); + +#endif |