forked from enlightenment/efl
gl_drm: Implement hardware plane support
Adds the ability for gl_drm to place native surfaces on hardware planes.
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7365c087c7
commit
33b50238d2
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@ -20,6 +20,12 @@
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#define EVAS_GL_UPDATE_TILE_SIZE 16
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struct scanout_handle
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{
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Evas_Native_Scanout_Handler handler;
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void *data;
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};
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/* external variables */
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int _evas_engine_gl_drm_log_dom = -1;
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int _extn_have_buffer_age = 1;
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@ -587,6 +593,25 @@ _re_winfree(Render_Engine *re)
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evas_outbuf_unsurf(eng_get_ob(re));
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}
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static Ecore_Drm2_Fb *
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drm_import_simple_dmabuf(int fd, struct dmabuf_attributes *attributes)
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{
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unsigned int stride[4] = { 0 };
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int dmabuf_fd[4] = { 0 };
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int i;
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for (i = 0; i < attributes->n_planes; i++)
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{
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stride[i] = attributes->stride[i];
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dmabuf_fd[i] = attributes->fd[i];
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}
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return ecore_drm2_fb_dmabuf_import(fd, attributes->width,
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attributes->height, 32, 32,
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attributes->format, stride,
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dmabuf_fd, attributes->n_planes);
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}
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/* Code from weston's gl-renderer... */
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static EGLImageKHR
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gl_import_simple_dmabuf(EGLDisplay display, struct dmabuf_attributes *attributes)
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@ -715,6 +740,94 @@ _native_cb_unbind(void *image)
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/* TODO: NATIVE_SURFACE_TBM and NATIVE_SURFACE_EVASGL */
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}
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static void
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_eng_fb_release(Ecore_Drm2_Fb *fb EINA_UNUSED, Ecore_Drm2_Fb_Status status, void *data)
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{
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struct scanout_handle *sh;
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sh = data;
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if (status == ECORE_DRM2_FB_STATUS_DELETED)
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{
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free(sh);
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return;
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}
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if (!sh->handler) return;
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switch (status)
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{
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case ECORE_DRM2_FB_STATUS_SCANOUT_ON:
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sh->handler(sh->data, EVAS_NATIVE_SURFACE_STATUS_SCANOUT_ON);
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break;
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case ECORE_DRM2_FB_STATUS_SCANOUT_OFF:
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sh->handler(sh->data, EVAS_NATIVE_SURFACE_STATUS_SCANOUT_OFF);
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break;
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case ECORE_DRM2_FB_STATUS_PLANE_ASSIGN:
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sh->handler(sh->data, EVAS_NATIVE_SURFACE_STATUS_PLANE_ASSIGN);
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break;
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case ECORE_DRM2_FB_STATUS_PLANE_RELEASE:
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sh->handler(sh->data, EVAS_NATIVE_SURFACE_STATUS_PLANE_RELEASE);
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break;
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default:
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ERR("Unhandled framebuffer status");
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}
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}
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static void *
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eng_image_plane_assign(void *data, void *image, int x, int y)
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{
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Render_Engine *re;
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Outbuf *ob;
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Evas_GL_Image *img;
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Native *n;
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Ecore_Drm2_Fb *fb = NULL;
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Ecore_Drm2_Plane *plane = NULL;
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struct scanout_handle *g;
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EINA_SAFETY_ON_NULL_RETURN_VAL(image, EINA_FALSE);
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re = (Render_Engine *)data;
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EINA_SAFETY_ON_NULL_RETURN_VAL(re, EINA_FALSE);
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ob = eng_get_ob(re);
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EINA_SAFETY_ON_NULL_RETURN_VAL(ob, EINA_FALSE);
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img = image;
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n = img->native.data;
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/* Perhaps implementable on other surface types, but we're
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* sticking to this one for now */
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if (n->ns.type != EVAS_NATIVE_SURFACE_WL_DMABUF) return NULL;
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fb = drm_import_simple_dmabuf(re->fd, &n->ns_data.wl_surface_dmabuf.attr);
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if (!fb) return NULL;
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g = calloc(1, sizeof(struct scanout_handle));
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if (!g) goto out;
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g->handler = n->ns.data.wl_dmabuf.scanout.handler;
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g->data = n->ns.data.wl_dmabuf.scanout.data;
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ecore_drm2_fb_status_handler_set(fb, _eng_fb_release, g);
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/* Fail or not, we're going to drop that fb and let refcounting get rid of
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* it later
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*/
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plane = ecore_drm2_plane_assign(ob->priv.output, fb, x, y);
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out:
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ecore_drm2_fb_discard(fb);
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return plane;
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}
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static void
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eng_image_plane_release(void *data EINA_UNUSED, void *image EINA_UNUSED, void *plin)
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{
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Ecore_Drm2_Plane *plane = plin;
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ecore_drm2_plane_release(plane);
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}
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static void
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_native_cb_free(void *image)
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{
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@ -1393,6 +1506,8 @@ module_open(Evas_Module *em)
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EVAS_API_OVERRIDE(image_native_set, &func, eng_);
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EVAS_API_OVERRIDE(image_native_init, &func, eng_);
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EVAS_API_OVERRIDE(image_native_shutdown, &func, eng_);
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EVAS_API_OVERRIDE(image_plane_assign, &func, eng_);
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EVAS_API_OVERRIDE(image_plane_release, &func, eng_);
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/* Mesa's EGL driver loads wayland egl by default. (called by eglGetProcaddr() )
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* implicit env set (EGL_PLATFORM=drm) prevent that. */
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