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efl/src/modules/ecore_buffer/x11_dri2/ecore_buffer_x11_dri2.c

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#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <Eina.h>
#include <Ecore.h>
#include <Ecore_X.h>
#include <tbm_bufmgr.h>
#include <tbm_surface.h>
#include <tbm_surface_internal.h>
#include <xf86drm.h>
#include <X11/Xmd.h>
#include <dri2/dri2.h>
#include "Ecore_Buffer.h"
#include "ecore_buffer_private.h"
typedef struct _Ecore_Buffer_Module_X11_Dri2_Data Ecore_Buffer_Module_X11_Dri2_Data;
typedef struct _Ecore_Buffer_X11_Dri2_Data Ecore_Buffer_X11_Dri2_Data;
struct _Ecore_Buffer_Module_X11_Dri2_Data {
tbm_bufmgr tbm_mgr;
};
struct _Ecore_Buffer_X11_Dri2_Data {
Ecore_X_Pixmap pixmap;
int w;
int h;
int stride;
Ecore_Buffer_Format format;
Eina_Bool is_imported;
struct
{
void *surface;
Eina_Bool owned;
} tbm;
};
static int
_buf_get_num_planes(Ecore_Buffer_Format format)
{
int num_planes = 0;
switch (format)
{
case ECORE_BUFFER_FORMAT_C8:
case ECORE_BUFFER_FORMAT_RGB332:
case ECORE_BUFFER_FORMAT_BGR233:
case ECORE_BUFFER_FORMAT_XRGB4444:
case ECORE_BUFFER_FORMAT_XBGR4444:
case ECORE_BUFFER_FORMAT_RGBX4444:
case ECORE_BUFFER_FORMAT_BGRX4444:
case ECORE_BUFFER_FORMAT_ARGB4444:
case ECORE_BUFFER_FORMAT_ABGR4444:
case ECORE_BUFFER_FORMAT_RGBA4444:
case ECORE_BUFFER_FORMAT_BGRA4444:
case ECORE_BUFFER_FORMAT_XRGB1555:
case ECORE_BUFFER_FORMAT_XBGR1555:
case ECORE_BUFFER_FORMAT_RGBX5551:
case ECORE_BUFFER_FORMAT_BGRX5551:
case ECORE_BUFFER_FORMAT_ARGB1555:
case ECORE_BUFFER_FORMAT_ABGR1555:
case ECORE_BUFFER_FORMAT_RGBA5551:
case ECORE_BUFFER_FORMAT_BGRA5551:
case ECORE_BUFFER_FORMAT_RGB565:
case ECORE_BUFFER_FORMAT_BGR565:
case ECORE_BUFFER_FORMAT_RGB888:
case ECORE_BUFFER_FORMAT_BGR888:
case ECORE_BUFFER_FORMAT_XRGB8888:
case ECORE_BUFFER_FORMAT_XBGR8888:
case ECORE_BUFFER_FORMAT_RGBX8888:
case ECORE_BUFFER_FORMAT_BGRX8888:
case ECORE_BUFFER_FORMAT_ARGB8888:
case ECORE_BUFFER_FORMAT_ABGR8888:
case ECORE_BUFFER_FORMAT_RGBA8888:
case ECORE_BUFFER_FORMAT_BGRA8888:
case ECORE_BUFFER_FORMAT_XRGB2101010:
case ECORE_BUFFER_FORMAT_XBGR2101010:
case ECORE_BUFFER_FORMAT_RGBX1010102:
case ECORE_BUFFER_FORMAT_BGRX1010102:
case ECORE_BUFFER_FORMAT_ARGB2101010:
case ECORE_BUFFER_FORMAT_ABGR2101010:
case ECORE_BUFFER_FORMAT_RGBA1010102:
case ECORE_BUFFER_FORMAT_BGRA1010102:
case ECORE_BUFFER_FORMAT_YUYV:
case ECORE_BUFFER_FORMAT_YVYU:
case ECORE_BUFFER_FORMAT_UYVY:
case ECORE_BUFFER_FORMAT_VYUY:
case ECORE_BUFFER_FORMAT_AYUV:
num_planes = 1;
break;
case ECORE_BUFFER_FORMAT_NV12:
case ECORE_BUFFER_FORMAT_NV21:
case ECORE_BUFFER_FORMAT_NV16:
case ECORE_BUFFER_FORMAT_NV61:
num_planes = 2;
break;
case ECORE_BUFFER_FORMAT_YUV410:
case ECORE_BUFFER_FORMAT_YVU410:
case ECORE_BUFFER_FORMAT_YUV411:
case ECORE_BUFFER_FORMAT_YVU411:
case ECORE_BUFFER_FORMAT_YUV420:
case ECORE_BUFFER_FORMAT_YVU420:
case ECORE_BUFFER_FORMAT_YUV422:
case ECORE_BUFFER_FORMAT_YVU422:
case ECORE_BUFFER_FORMAT_YUV444:
case ECORE_BUFFER_FORMAT_YVU444:
num_planes = 3;
break;
default :
break;
}
return num_planes;
}
static int
_buf_get_bpp(Ecore_Buffer_Format format)
{
int bpp = 0;
switch (format)
{
case ECORE_BUFFER_FORMAT_C8:
case ECORE_BUFFER_FORMAT_RGB332:
case ECORE_BUFFER_FORMAT_BGR233:
bpp = 8;
break;
case ECORE_BUFFER_FORMAT_XRGB4444:
case ECORE_BUFFER_FORMAT_XBGR4444:
case ECORE_BUFFER_FORMAT_RGBX4444:
case ECORE_BUFFER_FORMAT_BGRX4444:
case ECORE_BUFFER_FORMAT_ARGB4444:
case ECORE_BUFFER_FORMAT_ABGR4444:
case ECORE_BUFFER_FORMAT_RGBA4444:
case ECORE_BUFFER_FORMAT_BGRA4444:
case ECORE_BUFFER_FORMAT_XRGB1555:
case ECORE_BUFFER_FORMAT_XBGR1555:
case ECORE_BUFFER_FORMAT_RGBX5551:
case ECORE_BUFFER_FORMAT_BGRX5551:
case ECORE_BUFFER_FORMAT_ARGB1555:
case ECORE_BUFFER_FORMAT_ABGR1555:
case ECORE_BUFFER_FORMAT_RGBA5551:
case ECORE_BUFFER_FORMAT_BGRA5551:
case ECORE_BUFFER_FORMAT_RGB565:
case ECORE_BUFFER_FORMAT_BGR565:
bpp = 16;
break;
case ECORE_BUFFER_FORMAT_RGB888:
case ECORE_BUFFER_FORMAT_BGR888:
bpp = 24;
break;
case ECORE_BUFFER_FORMAT_XRGB8888:
case ECORE_BUFFER_FORMAT_XBGR8888:
case ECORE_BUFFER_FORMAT_RGBX8888:
case ECORE_BUFFER_FORMAT_BGRX8888:
case ECORE_BUFFER_FORMAT_ARGB8888:
case ECORE_BUFFER_FORMAT_ABGR8888:
case ECORE_BUFFER_FORMAT_RGBA8888:
case ECORE_BUFFER_FORMAT_BGRA8888:
case ECORE_BUFFER_FORMAT_XRGB2101010:
case ECORE_BUFFER_FORMAT_XBGR2101010:
case ECORE_BUFFER_FORMAT_RGBX1010102:
case ECORE_BUFFER_FORMAT_BGRX1010102:
case ECORE_BUFFER_FORMAT_ARGB2101010:
case ECORE_BUFFER_FORMAT_ABGR2101010:
case ECORE_BUFFER_FORMAT_RGBA1010102:
case ECORE_BUFFER_FORMAT_BGRA1010102:
case ECORE_BUFFER_FORMAT_YUYV:
case ECORE_BUFFER_FORMAT_YVYU:
case ECORE_BUFFER_FORMAT_UYVY:
case ECORE_BUFFER_FORMAT_VYUY:
case ECORE_BUFFER_FORMAT_AYUV:
bpp = 32;
break;
case ECORE_BUFFER_FORMAT_NV12:
case ECORE_BUFFER_FORMAT_NV21:
bpp = 12;
break;
case ECORE_BUFFER_FORMAT_NV16:
case ECORE_BUFFER_FORMAT_NV61:
bpp = 16;
break;
case ECORE_BUFFER_FORMAT_YUV410:
case ECORE_BUFFER_FORMAT_YVU410:
bpp = 9;
break;
case ECORE_BUFFER_FORMAT_YUV411:
case ECORE_BUFFER_FORMAT_YVU411:
case ECORE_BUFFER_FORMAT_YUV420:
case ECORE_BUFFER_FORMAT_YVU420:
bpp = 12;
break;
case ECORE_BUFFER_FORMAT_YUV422:
case ECORE_BUFFER_FORMAT_YVU422:
bpp = 16;
break;
case ECORE_BUFFER_FORMAT_YUV444:
case ECORE_BUFFER_FORMAT_YVU444:
bpp = 24;
break;
default :
break;
}
return bpp;
}
static Ecore_Buffer_Module_Data
_ecore_buffer_x11_dri2_init(const char *context EINA_UNUSED, const char *options EINA_UNUSED)
{
Ecore_X_Display *xdpy;
Ecore_X_Window root;
int eb, ee;
int major, minor;
char *driver_name;
char *device_name;
int fd = 0;
drm_magic_t magic;
Ecore_Buffer_Module_X11_Dri2_Data *mdata = NULL;
if (!ecore_x_init(NULL))
return NULL;
xdpy = ecore_x_display_get();
if (!xdpy)
goto on_error;
root = ecore_x_window_root_first_get();
if (!root)
goto on_error;
mdata = calloc(1, sizeof(Ecore_Buffer_Module_X11_Dri2_Data));
if (!mdata)
goto on_error;
//Init DRI2 and TBM
DRI2QueryExtension(xdpy, &eb, &ee);
DRI2QueryVersion(xdpy, &major, &minor);
DRI2Connect(xdpy, root, &driver_name, &device_name);
fd = open (device_name, O_RDWR);
if (fd < 0)
goto on_error;
if (drmGetMagic(fd, &magic) < 0)
goto on_error;
if (!(DRI2Authenticate(xdpy, root, magic)))
goto on_error;
mdata->tbm_mgr = tbm_bufmgr_init(fd);
if (!mdata->tbm_mgr)
goto on_error;
free(driver_name);
free(device_name);
close(fd);
return mdata;
on_error:
if (fd > 0) close(fd);
if (driver_name) free(driver_name);
if (device_name) free(device_name);
if (mdata) free(mdata);
ecore_x_shutdown();
return NULL;
}
static void
_ecore_buffer_x11_dri2_shutdown(Ecore_Buffer_Module_Data bmdata)
{
Ecore_Buffer_Module_X11_Dri2_Data *bm = bmdata;
if (bm->tbm_mgr)
tbm_bufmgr_deinit(bm->tbm_mgr);
ecore_x_shutdown();
}
static Ecore_Buffer_Data
_ecore_buffer_x11_dri2_buffer_alloc(Ecore_Buffer_Module_Data bmdata, int width, int height, Ecore_Buffer_Format format, unsigned int flags EINA_UNUSED)
{
Ecore_X_Display *xdpy;
Ecore_X_Pixmap pixmap;
Ecore_Buffer_X11_Dri2_Data *buf;
Ecore_Buffer_Module_X11_Dri2_Data *bm = bmdata;
DRI2Buffer *bufs = NULL;
tbm_bo bo = NULL;
int bpp;
int num_plane;
int rw, rh, rcount;
unsigned int attachment = DRI2BufferFrontLeft;
tbm_surface_info_s info;
int i;
bpp = _buf_get_bpp(format);
if (bpp != 32)
return NULL;
num_plane = _buf_get_num_planes(format);
if (num_plane != 1)
return NULL;
xdpy = ecore_x_display_get();
pixmap = ecore_x_pixmap_new(0, width, height, bpp);
if (!pixmap)
return NULL;
buf = calloc(1, sizeof(Ecore_Buffer_X11_Dri2_Data));
if (!buf)
{
ecore_x_pixmap_free(pixmap);
return NULL;
}
buf->w = width;
buf->h = height;
buf->format = format;
buf->pixmap = pixmap;
buf->is_imported = EINA_FALSE;
//Get DRI2Buffer
DRI2CreateDrawable(xdpy, buf->pixmap);
bufs = DRI2GetBuffers(xdpy, buf->pixmap, &rw, &rh, &attachment, 1, &rcount);
if (!(bufs) || (buf->w != rw) || (buf->h != rh))
goto on_error;
buf->stride = bufs->pitch;
//Import tbm_surface
bo = tbm_bo_import(bm->tbm_mgr, bufs->name);
if (!bo)
goto on_error;
info.width = width;
info.height = height;
info.format = format;
info.bpp = bpp;
info.size = width * bufs->pitch;
for ( i = 0 ; i < num_plane ; i++)
{
info.planes[i].size = width * bufs->pitch;
info.planes[i].stride = bufs->pitch;
info.planes[i].offset = 0;
}
buf->tbm.surface = tbm_surface_internal_create_with_bos(&info, &bo, 1);
if (!buf->tbm.surface)
goto on_error;
buf->tbm.owned = EINA_TRUE;
tbm_bo_unref(bo);
free(bufs);
return buf;
on_error:
if (bo) tbm_bo_unref(bo);
if (bufs) free(bufs);
ecore_x_pixmap_free(buf->pixmap);
DRI2DestroyDrawable(xdpy, buf->pixmap);
free(buf);
return NULL;
}
static void
_ecore_buffer_x11_dri2_buffer_free(Ecore_Buffer_Module_Data bmdata EINA_UNUSED, Ecore_Buffer_Data bdata)
{
Ecore_Buffer_X11_Dri2_Data *buf = bdata;
if (buf->pixmap)
{
DRI2DestroyDrawable(ecore_x_display_get(), buf->pixmap);
if (!buf->is_imported)
ecore_x_pixmap_free(buf->pixmap);
}
if (buf->tbm.surface)
tbm_surface_destroy(buf->tbm.surface);
free(buf);
return;
}
static Ecore_Export_Type
_ecore_buffer_x11_dri2_buffer_export(Ecore_Buffer_Module_Data bmdata EINA_UNUSED, Ecore_Buffer_Data bdata, int *id)
{
Ecore_Buffer_X11_Dri2_Data *buf = bdata;
if (id) *id = buf->pixmap;
return EXPORT_TYPE_ID;
}
static void *
_ecore_buffer_x11_dri2_buffer_import(Ecore_Buffer_Module_Data bmdata EINA_UNUSED, int w, int h, Ecore_Buffer_Format format, Ecore_Export_Type type, int export_id, unsigned int flags EINA_UNUSED)
{
Ecore_Buffer_Module_X11_Dri2_Data *bm = bmdata;
Ecore_X_Display *xdpy;
Ecore_X_Pixmap pixmap = (Ecore_X_Pixmap)export_id;
Ecore_Buffer_X11_Dri2_Data *buf;
int rw, rh, rx, ry;
DRI2Buffer *bufs = NULL;
tbm_bo bo = NULL;
int rcount;
unsigned int attachment = DRI2BufferFrontLeft;
tbm_surface_info_s info;
int num_plane,i;
if (type != EXPORT_TYPE_ID)
return NULL;
xdpy = ecore_x_display_get();
//Check valid pixmap
ecore_x_pixmap_geometry_get(pixmap, &rx, &ry, &rw, &rh);
if ((rw != w) || (rh != h))
return NULL;
buf = calloc(1, sizeof(Ecore_Buffer_X11_Dri2_Data));
if (!buf)
return NULL;
buf->w = w;
buf->h = h;
buf->format = format;
buf->pixmap = pixmap;
buf->is_imported = EINA_TRUE;
//Get DRI2Buffer
DRI2CreateDrawable(xdpy, buf->pixmap);
bufs = DRI2GetBuffers(xdpy, buf->pixmap, &rw, &rh, &attachment, 1, &rcount);
if ((!bufs) || (buf->w != rw) || (buf->h != rh))
goto on_error;
buf->stride = bufs->pitch;
//Import tbm_surface
bo = tbm_bo_import(bm->tbm_mgr, bufs->name);
if (!bo)
goto on_error;
num_plane = _buf_get_num_planes(format);
info.width = w;
info.height = h;
info.format = format;
info.bpp = _buf_get_bpp(format);
info.size = w * bufs->pitch;
for ( i = 0 ; i < num_plane ; i++)
{
info.planes[i].size = w * bufs->pitch;
info.planes[i].stride = bufs->pitch;
info.planes[i].offset = 0;
}
buf->tbm.surface = tbm_surface_internal_create_with_bos(&info, &bo, 1);
if (!buf->tbm.surface)
goto on_error;
buf->tbm.owned = EINA_TRUE;
tbm_bo_unref(bo);
free(bufs);
return buf;
on_error:
if (bo) tbm_bo_unref(bo);
if (bufs) free(bufs);
DRI2DestroyDrawable(xdpy, buf->pixmap);
free(buf);
return NULL;
}
static Ecore_Pixmap
_ecore_buffer_x11_dri2_pixmap_get(Ecore_Buffer_Module_Data bmdata EINA_UNUSED, Ecore_Buffer_Data bdata)
{
Ecore_Buffer_X11_Dri2_Data *buf = bdata;
if (!buf)
return 0;
if (!buf->tbm.owned)
return 0;
return buf->pixmap;
}
static void *
_ecore_buffer_x11_dri2_tbm_bo_get(Ecore_Buffer_Module_Data bmdata EINA_UNUSED, Ecore_Buffer_Data bdata)
{
Ecore_Buffer_X11_Dri2_Data *buf = bdata;
if (!buf)
return NULL;
return buf->tbm.surface;
}
static Ecore_Buffer_Backend _ecore_buffer_x11_dri2_backend = {
"x11_dri2",
&_ecore_buffer_x11_dri2_init,
&_ecore_buffer_x11_dri2_shutdown,
&_ecore_buffer_x11_dri2_buffer_alloc,
&_ecore_buffer_x11_dri2_buffer_free,
&_ecore_buffer_x11_dri2_buffer_export,
&_ecore_buffer_x11_dri2_buffer_import,
NULL,
&_ecore_buffer_x11_dri2_pixmap_get,
&_ecore_buffer_x11_dri2_tbm_bo_get,
};
Eina_Bool x11_dri2_init(void)
{
return ecore_buffer_register(&_ecore_buffer_x11_dri2_backend);
}
void x11_dri2_shutdown(void)
{
ecore_buffer_unregister(&_ecore_buffer_x11_dri2_backend);
}
EINA_MODULE_INIT(x11_dri2_init);
EINA_MODULE_SHUTDOWN(x11_dri2_shutdown);
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