efl/src/modules/evas/engines/drm/evas_engine.c

291 lines
7.4 KiB
C

#include "evas_engine.h"
#include "../software_generic/evas_native_common.h"
typedef struct _Render_Engine
{
Render_Engine_Software_Generic generic;
Ecore_Drm2_Device *dev;
} Render_Engine;
struct scanout_handle
{
Evas_Native_Scanout_Handler handler;
void *data;
};
static Evas_Func func, pfunc;
int _evas_engine_drm_log_dom;
static Render_Engine *
_render_engine_setup(Evas_Engine_Info_Drm *info, int w, int h)
{
Render_Engine *re;
Outbuf *ob;
re = calloc(1, sizeof(Render_Engine));
if (!re) return NULL;
ob = _outbuf_setup(info, w, h);
if (!ob) goto err;
re->dev = info->info.dev;
if (!evas_render_engine_software_generic_init(&re->generic, ob,
_outbuf_state_get,
_outbuf_rotation_get,
_outbuf_reconfigure,
NULL,
NULL,
_outbuf_update_region_new,
_outbuf_update_region_push,
_outbuf_update_region_free,
NULL,
_outbuf_flush,
_outbuf_redraws_clear,
_outbuf_free,
ob->w, ob->h))
goto init_err;
return re;
init_err:
evas_render_engine_software_generic_clean(&re->generic);
err:
free(re);
return NULL;
}
static void *
eng_info(Evas *evas EINA_UNUSED)
{
Evas_Engine_Info_Drm *info;
/* try to allocate space for our engine info structure */
info = calloc(1, sizeof(Evas_Engine_Info_Drm));
if (!info) return NULL;
/* set some engine default properties */
info->magic.magic = rand();
info->render_mode = EVAS_RENDER_MODE_BLOCKING;
return info;
}
static void
eng_info_free(Evas *evas EINA_UNUSED, void *einfo)
{
Evas_Engine_Info_Drm *info;
/* free the engine info */
info = (Evas_Engine_Info_Drm *)einfo;
free(info);
}
static void *
eng_setup(void *engine EINA_UNUSED, void *einfo, unsigned int w, unsigned int h)
{
Evas_Engine_Info_Drm *info = einfo;
return _render_engine_setup(info, w, h);
}
static int
eng_update(void *engine EINA_UNUSED, void *data, void *einfo, unsigned int w, unsigned int h)
{
Evas_Engine_Info_Drm *info = einfo;
Render_Engine *re = data;
_outbuf_reconfigure(re->generic.ob, w, h,
info->info.rotation, info->info.depth);
evas_render_engine_software_generic_update(&re->generic,
re->generic.ob, w, h);
return 1;
}
static void
eng_output_free(void *engine EINA_UNUSED, void *data)
{
Render_Engine *re;
re = data;
if (re)
{
evas_render_engine_software_generic_clean(&re->generic);
free(re);
}
}
static Ecore_Drm2_Fb *
drm_import_simple_dmabuf(Ecore_Drm2_Device *dev, struct dmabuf_attributes *attributes)
{
unsigned int stride[4] = { 0 };
int dmabuf_fd[4] = { 0 };
int i;
for (i = 0; i < attributes->n_planes; i++)
{
stride[i] = attributes->stride[i];
dmabuf_fd[i] = attributes->fd[i];
}
return ecore_drm2_fb_dmabuf_import(dev, attributes->width,
attributes->height, 32, 32,
attributes->format, stride,
dmabuf_fd, attributes->n_planes);
}
static void
_eng_fb_release(Ecore_Drm2_Fb *fb EINA_UNUSED, Ecore_Drm2_Fb_Status status, void *data)
{
struct scanout_handle *sh;
sh = data;
if (status == ECORE_DRM2_FB_STATUS_DELETED)
{
free(sh);
return;
}
if (!sh->handler) return;
switch (status)
{
case ECORE_DRM2_FB_STATUS_SCANOUT_ON:
sh->handler(sh->data, EVAS_NATIVE_SURFACE_STATUS_SCANOUT_ON);
break;
case ECORE_DRM2_FB_STATUS_SCANOUT_OFF:
sh->handler(sh->data, EVAS_NATIVE_SURFACE_STATUS_SCANOUT_OFF);
break;
case ECORE_DRM2_FB_STATUS_PLANE_ASSIGN:
sh->handler(sh->data, EVAS_NATIVE_SURFACE_STATUS_PLANE_ASSIGN);
break;
case ECORE_DRM2_FB_STATUS_PLANE_RELEASE:
sh->handler(sh->data, EVAS_NATIVE_SURFACE_STATUS_PLANE_RELEASE);
break;
default:
ERR("Unhandled framebuffer status");
}
}
static void *
eng_image_plane_assign(void *data, void *image, int x, int y)
{
Render_Engine *re;
Outbuf *ob;
RGBA_Image *img;
Native *n;
Ecore_Drm2_Fb *fb = NULL;
Ecore_Drm2_Plane *plane = NULL;
struct scanout_handle *g;
EINA_SAFETY_ON_NULL_RETURN_VAL(image, NULL);
re = (Render_Engine *)data;
EINA_SAFETY_ON_NULL_RETURN_VAL(re, NULL);
ob = re->generic.ob;
EINA_SAFETY_ON_NULL_RETURN_VAL(ob, NULL);
img = image;
n = img->native.data;
/* Perhaps implementable on other surface types, but we're
* sticking to this one for now */
if (n->ns.type != EVAS_NATIVE_SURFACE_WL_DMABUF) return NULL;
fb = drm_import_simple_dmabuf(re->dev, &n->ns_data.wl_surface_dmabuf.attr);
if (!fb) return NULL;
g = calloc(1, sizeof(struct scanout_handle));
if (!g) goto out;
g->handler = n->ns.data.wl_dmabuf.scanout.handler;
g->data = n->ns.data.wl_dmabuf.scanout.data;
ecore_drm2_fb_status_handler_set(fb, _eng_fb_release, g);
/* Fail or not, we're going to drop that fb and let refcounting get rid of
* it later
*/
plane = ecore_drm2_plane_assign(ob->priv.output, fb, x, y);
out:
ecore_drm2_fb_discard(fb);
return plane;
}
static void
eng_image_plane_release(void *data EINA_UNUSED, void *image EINA_UNUSED, void *plin)
{
Ecore_Drm2_Plane *plane = plin;
ecore_drm2_plane_release(plane);
}
static int
module_open(Evas_Module *em)
{
/* check for valid evas module */
if (!em) return 0;
/* try to inherit functions from software_generic engine */
if (!_evas_module_engine_inherit(&pfunc, "software_generic")) return 0;
/* try to create eina logging domain */
_evas_engine_drm_log_dom =
eina_log_domain_register("evas-drm", EVAS_DEFAULT_LOG_COLOR);
/* if we could not create a logging domain, error out */
if (_evas_engine_drm_log_dom < 0)
{
EINA_LOG_ERR("Can not create a module log domain.");
return 0;
}
ecore_init();
/* store parent functions */
func = pfunc;
/* override the methods we provide */
EVAS_API_OVERRIDE(info, &func, eng_);
EVAS_API_OVERRIDE(info_free, &func, eng_);
EVAS_API_OVERRIDE(setup, &func, eng_);
EVAS_API_OVERRIDE(update, &func, eng_);
EVAS_API_OVERRIDE(output_free, &func, eng_);
EVAS_API_OVERRIDE(image_plane_assign, &func, eng_);
EVAS_API_OVERRIDE(image_plane_release, &func, eng_);
/* advertise our engine functions */
em->functions = (void *)(&func);
return 1;
}
static void
module_close(Evas_Module *em EINA_UNUSED)
{
/* unregister the eina log domain for this engine */
if (_evas_engine_drm_log_dom >= 0)
{
eina_log_domain_unregister(_evas_engine_drm_log_dom);
_evas_engine_drm_log_dom = -1;
}
ecore_shutdown();
}
static Evas_Module_Api evas_modapi =
{
EVAS_MODULE_API_VERSION, "drm", "none", { module_open, module_close }
};
EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_ENGINE, engine, drm);
#ifndef EVAS_STATIC_BUILD_DRM
EVAS_EINA_MODULE_DEFINE(engine, drm);
#endif