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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 20:36:56 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 20:36:56 +0000
commit51de1d8436100f725f3576aefa24a2bd2057bc28 (patch)
treec6d1d5264b6d40a8d7ca34129f36b7d61e188af3 /video/out/opengl/hwdec_dxva2gldx.c
parentInitial commit. (diff)
downloadmpv-51de1d8436100f725f3576aefa24a2bd2057bc28.tar.xz
mpv-51de1d8436100f725f3576aefa24a2bd2057bc28.zip
Adding upstream version 0.37.0.upstream/0.37.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'video/out/opengl/hwdec_dxva2gldx.c')
-rw-r--r--video/out/opengl/hwdec_dxva2gldx.c247
1 files changed, 247 insertions, 0 deletions
diff --git a/video/out/opengl/hwdec_dxva2gldx.c b/video/out/opengl/hwdec_dxva2gldx.c
new file mode 100644
index 0000000..0172813
--- /dev/null
+++ b/video/out/opengl/hwdec_dxva2gldx.c
@@ -0,0 +1,247 @@
+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * mpv is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <d3d9.h>
+#include <assert.h>
+
+#include "common/common.h"
+#include "osdep/windows_utils.h"
+#include "video/out/gpu/hwdec.h"
+#include "ra_gl.h"
+#include "video/hwdec.h"
+#include "video/d3d.h"
+
+// for WGL_ACCESS_READ_ONLY_NV
+#include <GL/wglext.h>
+
+#define SHARED_SURFACE_D3DFMT D3DFMT_X8R8G8B8
+
+struct priv_owner {
+ struct mp_hwdec_ctx hwctx;
+ IDirect3DDevice9Ex *device;
+ HANDLE device_h;
+};
+
+struct priv {
+ IDirect3DDevice9Ex *device;
+ HANDLE device_h;
+ IDirect3DSurface9 *rtarget;
+ HANDLE rtarget_h;
+ GLuint texture;
+};
+
+static void uninit(struct ra_hwdec *hw)
+{
+ struct priv_owner *p = hw->priv;
+
+ hwdec_devices_remove(hw->devs, &p->hwctx);
+ av_buffer_unref(&p->hwctx.av_device_ref);
+
+ if (p->device)
+ IDirect3DDevice9Ex_Release(p->device);
+}
+
+static int init(struct ra_hwdec *hw)
+{
+ struct priv_owner *p = hw->priv;
+ struct ra *ra = hw->ra_ctx->ra;
+
+ if (!ra_is_gl(ra))
+ return -1;
+ GL *gl = ra_gl_get(ra);
+ if (!(gl->mpgl_caps & MPGL_CAP_DXINTEROP))
+ return -1;
+
+ // AMD drivers won't open multiple dxinterop HANDLES on the same D3D device,
+ // so we request the one already in use by context_dxinterop
+ p->device_h = ra_get_native_resource(ra, "dxinterop_device_HANDLE");
+ if (!p->device_h)
+ return -1;
+
+ // But we also still need the actual D3D device
+ p->device = ra_get_native_resource(ra, "IDirect3DDevice9Ex");
+ if (!p->device)
+ return -1;
+ IDirect3DDevice9Ex_AddRef(p->device);
+
+ p->hwctx = (struct mp_hwdec_ctx){
+ .driver_name = hw->driver->name,
+ .av_device_ref = d3d9_wrap_device_ref((IDirect3DDevice9 *)p->device),
+ .hw_imgfmt = IMGFMT_DXVA2,
+ };
+
+ if (!p->hwctx.av_device_ref) {
+ MP_VERBOSE(hw, "Failed to create hwdevice_ctx\n");
+ return -1;
+ }
+
+ hwdec_devices_add(hw->devs, &p->hwctx);
+ return 0;
+}
+
+static void mapper_uninit(struct ra_hwdec_mapper *mapper)
+{
+ struct priv *p = mapper->priv;
+ GL *gl = ra_gl_get(mapper->ra);
+
+ if (p->rtarget_h && p->device_h) {
+ if (!gl->DXUnlockObjectsNV(p->device_h, 1, &p->rtarget_h)) {
+ MP_ERR(mapper, "Failed unlocking texture for access by OpenGL: %s\n",
+ mp_LastError_to_str());
+ }
+ }
+
+ if (p->rtarget_h) {
+ if (!gl->DXUnregisterObjectNV(p->device_h, p->rtarget_h)) {
+ MP_ERR(mapper, "Failed to unregister Direct3D surface with OpenGL: %s\n",
+ mp_LastError_to_str());
+ } else {
+ p->rtarget_h = 0;
+ }
+ }
+
+ gl->DeleteTextures(1, &p->texture);
+ p->texture = 0;
+
+ if (p->rtarget) {
+ IDirect3DSurface9_Release(p->rtarget);
+ p->rtarget = NULL;
+ }
+
+ ra_tex_free(mapper->ra, &mapper->tex[0]);
+}
+
+static int mapper_init(struct ra_hwdec_mapper *mapper)
+{
+ struct priv_owner *p_owner = mapper->owner->priv;
+ struct priv *p = mapper->priv;
+ GL *gl = ra_gl_get(mapper->ra);
+ HRESULT hr;
+
+ p->device = p_owner->device;
+ p->device_h = p_owner->device_h;
+
+ HANDLE share_handle = NULL;
+ hr = IDirect3DDevice9Ex_CreateRenderTarget(
+ p->device,
+ mapper->src_params.w, mapper->src_params.h,
+ SHARED_SURFACE_D3DFMT, D3DMULTISAMPLE_NONE, 0, FALSE,
+ &p->rtarget, &share_handle);
+ if (FAILED(hr)) {
+ MP_ERR(mapper, "Failed creating offscreen Direct3D surface: %s\n",
+ mp_HRESULT_to_str(hr));
+ return -1;
+ }
+
+ if (share_handle &&
+ !gl->DXSetResourceShareHandleNV(p->rtarget, share_handle)) {
+ MP_ERR(mapper, "Failed setting Direct3D/OpenGL share handle for surface: %s\n",
+ mp_LastError_to_str());
+ return -1;
+ }
+
+ gl->GenTextures(1, &p->texture);
+ gl->BindTexture(GL_TEXTURE_2D, p->texture);
+ gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ gl->BindTexture(GL_TEXTURE_2D, 0);
+
+ p->rtarget_h = gl->DXRegisterObjectNV(p->device_h, p->rtarget, p->texture,
+ GL_TEXTURE_2D,
+ WGL_ACCESS_READ_ONLY_NV);
+ if (!p->rtarget_h) {
+ MP_ERR(mapper, "Failed to register Direct3D surface with OpenGL: %s\n",
+ mp_LastError_to_str());
+ return -1;
+ }
+
+ if (!gl->DXLockObjectsNV(p->device_h, 1, &p->rtarget_h)) {
+ MP_ERR(mapper, "Failed locking texture for access by OpenGL %s\n",
+ mp_LastError_to_str());
+ return -1;
+ }
+
+ struct ra_tex_params params = {
+ .dimensions = 2,
+ .w = mapper->src_params.w,
+ .h = mapper->src_params.h,
+ .d = 1,
+ .format = ra_find_unorm_format(mapper->ra, 1, 4),
+ .render_src = true,
+ .src_linear = true,
+ };
+ if (!params.format)
+ return -1;
+
+ mapper->tex[0] = ra_create_wrapped_tex(mapper->ra, &params, p->texture);
+ if (!mapper->tex[0])
+ return -1;
+
+ mapper->dst_params = mapper->src_params;
+ mapper->dst_params.imgfmt = IMGFMT_RGB0;
+ mapper->dst_params.hw_subfmt = 0;
+
+ return 0;
+}
+
+static int mapper_map(struct ra_hwdec_mapper *mapper)
+{
+ struct priv *p = mapper->priv;
+ GL *gl = ra_gl_get(mapper->ra);
+ HRESULT hr;
+
+ if (!gl->DXUnlockObjectsNV(p->device_h, 1, &p->rtarget_h)) {
+ MP_ERR(mapper, "Failed unlocking texture for access by OpenGL: %s\n",
+ mp_LastError_to_str());
+ return -1;
+ }
+
+ IDirect3DSurface9* hw_surface = (IDirect3DSurface9 *)mapper->src->planes[3];
+ RECT rc = {0, 0, mapper->src->w, mapper->src->h};
+ hr = IDirect3DDevice9Ex_StretchRect(p->device,
+ hw_surface, &rc,
+ p->rtarget, &rc,
+ D3DTEXF_NONE);
+ if (FAILED(hr)) {
+ MP_ERR(mapper, "Direct3D RGB conversion failed: %s", mp_HRESULT_to_str(hr));
+ return -1;
+ }
+
+ if (!gl->DXLockObjectsNV(p->device_h, 1, &p->rtarget_h)) {
+ MP_ERR(mapper, "Failed locking texture for access by OpenGL: %s\n",
+ mp_LastError_to_str());
+ return -1;
+ }
+
+ return 0;
+}
+
+const struct ra_hwdec_driver ra_hwdec_dxva2gldx = {
+ .name = "dxva2-dxinterop",
+ .priv_size = sizeof(struct priv_owner),
+ .imgfmts = {IMGFMT_DXVA2, 0},
+ .init = init,
+ .uninit = uninit,
+ .mapper = &(const struct ra_hwdec_mapper_driver){
+ .priv_size = sizeof(struct priv),
+ .init = mapper_init,
+ .uninit = mapper_uninit,
+ .map = mapper_map,
+ },
+};