mpv/video/out/opengl/hwdec_dxva2.c

71 lines
1.6 KiB
C

#include <d3d9.h>
#include "common/common.h"
#include "hwdec.h"
#include "utils.h"
#include "video/hwdec.h"
// This does not provide real (zero-copy) interop - it merely exists for
// making sure the same D3D device is used for decoding and display, which
// may help with OpenGL fullscreen mode.
struct priv {
struct mp_hwdec_ctx hwctx;
};
static void destroy(struct gl_hwdec *hw)
{
struct priv *p = hw->priv;
hwdec_devices_remove(hw->devs, &p->hwctx);
if (p->hwctx.ctx)
IDirect3DDevice9_Release((IDirect3DDevice9 *)p->hwctx.ctx);
}
static int create(struct gl_hwdec *hw)
{
GL *gl = hw->gl;
if (!gl->MPGetNativeDisplay)
return -1;
struct priv *p = talloc_zero(hw, struct priv);
hw->priv = p;
IDirect3DDevice9 *d3d = gl->MPGetNativeDisplay("IDirect3DDevice9");
if (!d3d)
return -1;
MP_VERBOSE(hw, "Using libmpv supplied device %p.\n", d3d);
p->hwctx = (struct mp_hwdec_ctx){
.type = HWDEC_DXVA2_COPY,
.driver_name = hw->driver->name,
.ctx = d3d,
};
hwdec_devices_add(hw->devs, &p->hwctx);
hw->converted_imgfmt = 0;
return 0;
}
static int reinit(struct gl_hwdec *hw, struct mp_image_params *params)
{
return -1;
}
static int map_image(struct gl_hwdec *hw, struct mp_image *hw_image,
GLuint *out_textures)
{
return -1;
}
const struct gl_hwdec_driver gl_hwdec_dxva2 = {
.name = "dxva2-dummy",
.api = HWDEC_DXVA2_COPY,
.imgfmt = -1,
.create = create,
.reinit = reinit,
.map_image = map_image,
.destroy = destroy,
};