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Add initial linux_dmabuf protocol support

Browse source 
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 2018-02-23 18:45:16 +01:00
parent 2d0db16942
commit 14cdb6153f
12 changed files with 787 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

62
render/gles2/texture.c
View file

@ -227,6 +227,42 @@ static bool gles2_texture_upload_eglimage(struct wlr_texture *wlr_tex,
return true;
}
static bool gles2_texture_upload_dmabuf(struct wlr_texture *_tex,
struct wl_resource *dmabuf_resource) {
struct wlr_gles2_texture *tex = (struct wlr_gles2_texture *)_tex;
struct wlr_dmabuf_buffer *dmabuf = wlr_dmabuf_buffer_from_buffer_resource(
dmabuf_resource);
if (!tex->egl->egl_exts.dmabuf_import) {
wlr_log(L_ERROR, "Want dmabuf but extension not present");
return false;
}
tex->wlr_texture.width = dmabuf->attributes.width;
tex->wlr_texture.height = dmabuf->attributes.height;
if (tex->image) {
wlr_egl_destroy_image(tex->egl, tex->image);
}
if (wlr_dmabuf_buffer_has_inverted_y(dmabuf)) {
_tex->inverted_y = true;
}
GLenum target = GL_TEXTURE_2D;
const struct pixel_format *pf =
gl_format_for_wl_format(WL_SHM_FORMAT_ARGB8888);
gles2_texture_ensure_texture(tex);
GL_CALL(glBindTexture(target, tex->tex_id));
tex->image = wlr_egl_create_image_from_dmabuf(tex->egl, &dmabuf->attributes);
GL_CALL(glActiveTexture(GL_TEXTURE0));
GL_CALL(glEGLImageTargetTexture2DOES(target, tex->image));
tex->pixel_format = pf;
tex->wlr_texture.valid = true;
return true;
}
static void gles2_texture_get_matrix(struct wlr_texture *_texture,
float (*matrix)[16], const float (*projection)[16], int x, int y) {
struct wlr_gles2_texture *texture = (struct wlr_gles2_texture *)_texture;
@ -240,6 +276,21 @@ static void gles2_texture_get_matrix(struct wlr_texture *_texture,
wlr_matrix_mul(projection, matrix, matrix);
}
static bool gles2_texture_get_dmabuf_size(struct wlr_texture *texture, struct
wl_resource *resource, int *width, int *height) {
if (!wlr_dmabuf_resource_is_buffer(resource)) {
return false;
}
struct wlr_dmabuf_buffer *dmabuf = wlr_dmabuf_buffer_from_buffer_resource(
resource);
*width = dmabuf->attributes.width;
*height = dmabuf->attributes.height;
return true;
}
static void gles2_texture_get_buffer_size(struct wlr_texture *texture, struct
wl_resource *resource, int *width, int *height) {
struct wl_shm_buffer *buffer = wl_shm_buffer_get(resource);
@ -250,10 +301,12 @@ static void gles2_texture_get_buffer_size(struct wlr_texture *texture, struct
}
if (!wlr_egl_query_buffer(tex->egl, resource, EGL_WIDTH,
(EGLint*)width)) {
wlr_log(L_ERROR, "could not get size of the buffer "
"(no buffer found)");
return;
};
if (!gles2_texture_get_dmabuf_size(texture, resource,
width, height)) {
wlr_log(L_ERROR, "could not get size of the buffer");
return;
}
}
wlr_egl_query_buffer(tex->egl, resource, EGL_HEIGHT,
(EGLint*)height);
@ -292,6 +345,7 @@ static struct wlr_texture_impl wlr_texture_impl = {
.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,