vo_opengl: remove dxva2 dummy hwdec backend

This was a hack to let libmpv API users pass a d3d device to mpv. It's
not needed anymore for 2 reasons:

1. ANGLE does not have this problem
2. Even native GL via nVidia (where this failed) seems to not require
   this anymore

2 files changed, 0 insertions, 69 deletions

diff --git a/video/out/opengl/hwdec.c b/video/out/opengl/hwdec.c
index e80d5c4fe5..60a6ee82a9 100644
--- a/video/out/opengl/hwdec.c
+++ b/video/out/opengl/hwdec.c
@@ -59,7 +59,6 @@ static const struct gl_hwdec_driver *const mpgl_hwdec_drivers[] = {
 #if HAVE_GL_DXINTEROP
     &gl_hwdec_dxva2gldx,
 #endif
-    &gl_hwdec_dxva2,
 #endif
 #if HAVE_CUDA_HWACCEL
     &gl_hwdec_cuda,
diff --git a/video/out/opengl/hwdec_dxva2.c b/video/out/opengl/hwdec_dxva2.c
deleted file mode 100644
index d832bb4c68..0000000000
--- a/video/out/opengl/hwdec_dxva2.c
+++ /dev/null
@@ -1,68 +0,0 @@
-#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);
-    return 0;
-}
-
-static int reinit(struct gl_hwdec *hw, struct mp_image_params *params)
-{
-    return -1;
-}
-
-static int map_frame(struct gl_hwdec *hw, struct mp_image *hw_image,
-                     struct gl_hwdec_frame *out_frame)
-{
-    return -1;
-}
-
-const struct gl_hwdec_driver gl_hwdec_dxva2 = {
-    .name = "dxva2-dummy",
-    .api = HWDEC_DXVA2_COPY,
-    .imgfmt = -1,
-    .create = create,
-    .reinit = reinit,
-    .map_frame = map_frame,
-    .destroy = destroy,
-};