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-rw-r--r--video/out/opengl/hwdec_dxva2egl.c384
1 files changed, 384 insertions, 0 deletions
diff --git a/video/out/opengl/hwdec_dxva2egl.c b/video/out/opengl/hwdec_dxva2egl.c
new file mode 100644
index 0000000..979ef59
--- /dev/null
+++ b/video/out/opengl/hwdec_dxva2egl.c
@@ -0,0 +1,384 @@
+/*
+ * 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 <assert.h>
+#include <windows.h>
+#include <d3d9.h>
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+#include "angle_dynamic.h"
+
+#include "common/common.h"
+#include "osdep/timer.h"
+#include "osdep/windows_utils.h"
+#include "video/out/gpu/hwdec.h"
+#include "ra_gl.h"
+#include "video/hwdec.h"
+#include "video/d3d.h"
+
+struct priv_owner {
+ struct mp_hwdec_ctx hwctx;
+ IDirect3D9Ex *d3d9ex;
+ IDirect3DDevice9Ex *device9ex;
+
+ EGLDisplay egl_display;
+ EGLConfig egl_config;
+ EGLint alpha;
+};
+
+struct priv {
+ IDirect3DDevice9Ex *device9ex; // (no own reference)
+ IDirect3DQuery9 *query9;
+ IDirect3DTexture9 *texture9;
+ IDirect3DSurface9 *surface9;
+
+ EGLDisplay egl_display;
+ EGLSurface egl_surface;
+
+ GLuint gl_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->device9ex)
+ IDirect3DDevice9Ex_Release(p->device9ex);
+
+ if (p->d3d9ex)
+ IDirect3D9Ex_Release(p->d3d9ex);
+}
+
+static int init(struct ra_hwdec *hw)
+{
+ struct priv_owner *p = hw->priv;
+ HRESULT hr;
+
+ if (!ra_is_gl(hw->ra_ctx->ra))
+ return -1;
+ if (!angle_load())
+ return -1;
+
+ d3d_load_dlls();
+
+ EGLDisplay egl_display = eglGetCurrentDisplay();
+ if (!egl_display)
+ return -1;
+
+ if (!eglGetCurrentContext())
+ return -1;
+
+ const char *exts = eglQueryString(egl_display, EGL_EXTENSIONS);
+ if (!gl_check_extension(exts, "EGL_ANGLE_d3d_share_handle_client_buffer")) {
+ return -1;
+ }
+
+ p->egl_display = egl_display;
+
+ if (!d3d9_dll) {
+ MP_FATAL(hw, "Failed to load \"d3d9.dll\": %s\n",
+ mp_LastError_to_str());
+ goto fail;
+ }
+
+ HRESULT (WINAPI *Direct3DCreate9Ex)(UINT SDKVersion, IDirect3D9Ex **ppD3D);
+ Direct3DCreate9Ex = (void *)GetProcAddress(d3d9_dll, "Direct3DCreate9Ex");
+ if (!Direct3DCreate9Ex) {
+ MP_FATAL(hw, "Direct3D 9Ex not supported\n");
+ goto fail;
+ }
+
+ hr = Direct3DCreate9Ex(D3D_SDK_VERSION, &p->d3d9ex);
+ if (FAILED(hr)) {
+ MP_FATAL(hw, "Couldn't create Direct3D9Ex: %s\n",
+ mp_HRESULT_to_str(hr));
+ goto fail;
+ }
+
+ // We must create our own Direct3D9Ex device. ANGLE can give us the device
+ // it's using, but that's probably a ID3D11Device.
+ // (copied from chromium dxva_video_decode_accelerator_win.cc)
+ D3DPRESENT_PARAMETERS present_params = {
+ .BackBufferWidth = 1,
+ .BackBufferHeight = 1,
+ .BackBufferFormat = D3DFMT_UNKNOWN,
+ .BackBufferCount = 1,
+ .SwapEffect = D3DSWAPEFFECT_DISCARD,
+ .hDeviceWindow = NULL,
+ .Windowed = TRUE,
+ .Flags = D3DPRESENTFLAG_VIDEO,
+ .FullScreen_RefreshRateInHz = 0,
+ .PresentationInterval = 0,
+ };
+ hr = IDirect3D9Ex_CreateDeviceEx(p->d3d9ex,
+ D3DADAPTER_DEFAULT,
+ D3DDEVTYPE_HAL,
+ NULL,
+ D3DCREATE_FPU_PRESERVE |
+ D3DCREATE_HARDWARE_VERTEXPROCESSING |
+ D3DCREATE_DISABLE_PSGP_THREADING |
+ D3DCREATE_MULTITHREADED,
+ &present_params,
+ NULL,
+ &p->device9ex);
+ if (FAILED(hr)) {
+ MP_FATAL(hw, "Failed to create Direct3D9Ex device: %s\n",
+ mp_HRESULT_to_str(hr));
+ goto fail;
+ }
+
+ EGLint attrs[] = {
+ EGL_BUFFER_SIZE, 32,
+ EGL_RED_SIZE, 8,
+ EGL_GREEN_SIZE, 8,
+ EGL_BLUE_SIZE, 8,
+ EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
+ EGL_ALPHA_SIZE, 0,
+ EGL_NONE
+ };
+ EGLint count;
+ if (!eglChooseConfig(p->egl_display, attrs, &p->egl_config, 1, &count) ||
+ !count) {
+ MP_ERR(hw, "Failed to get EGL surface configuration\n");
+ goto fail;
+ }
+
+ if (!eglGetConfigAttrib(p->egl_display, p->egl_config,
+ EGL_BIND_TO_TEXTURE_RGBA, &p->alpha)) {
+ MP_FATAL(hw, "Failed to query EGL surface alpha\n");
+ goto fail;
+ }
+
+ struct mp_image_params dummy_params = {
+ .imgfmt = IMGFMT_DXVA2,
+ .w = 256,
+ .h = 256,
+ };
+ struct ra_hwdec_mapper *mapper = ra_hwdec_mapper_create(hw, &dummy_params);
+ if (!mapper)
+ goto fail;
+ ra_hwdec_mapper_free(&mapper);
+
+ p->hwctx = (struct mp_hwdec_ctx){
+ .driver_name = hw->driver->name,
+ .av_device_ref = d3d9_wrap_device_ref((IDirect3DDevice9 *)p->device9ex),
+ .hw_imgfmt = IMGFMT_DXVA2,
+ };
+
+ if (!p->hwctx.av_device_ref) {
+ MP_VERBOSE(hw, "Failed to create hwdevice_ctx\n");
+ goto fail;
+ }
+
+ hwdec_devices_add(hw->devs, &p->hwctx);
+
+ return 0;
+fail:
+ return -1;
+}
+
+static void mapper_uninit(struct ra_hwdec_mapper *mapper)
+{
+ struct priv *p = mapper->priv;
+ GL *gl = ra_gl_get(mapper->ra);
+
+ ra_tex_free(mapper->ra, &mapper->tex[0]);
+ gl->DeleteTextures(1, &p->gl_texture);
+
+ if (p->egl_display && p->egl_surface) {
+ eglReleaseTexImage(p->egl_display, p->egl_surface, EGL_BACK_BUFFER);
+ eglDestroySurface(p->egl_display, p->egl_surface);
+ }
+
+ if (p->surface9)
+ IDirect3DSurface9_Release(p->surface9);
+
+ if (p->texture9)
+ IDirect3DTexture9_Release(p->texture9);
+
+ if (p->query9)
+ IDirect3DQuery9_Release(p->query9);
+}
+
+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->device9ex = p_owner->device9ex;
+ p->egl_display = p_owner->egl_display;
+
+ hr = IDirect3DDevice9_CreateQuery(p->device9ex, D3DQUERYTYPE_EVENT,
+ &p->query9);
+ if (FAILED(hr)) {
+ MP_FATAL(mapper, "Failed to create Direct3D query interface: %s\n",
+ mp_HRESULT_to_str(hr));
+ goto fail;
+ }
+
+ // Test the query API
+ hr = IDirect3DQuery9_Issue(p->query9, D3DISSUE_END);
+ if (FAILED(hr)) {
+ MP_FATAL(mapper, "Failed to issue Direct3D END test query: %s\n",
+ mp_HRESULT_to_str(hr));
+ goto fail;
+ }
+
+ HANDLE share_handle = NULL;
+ hr = IDirect3DDevice9Ex_CreateTexture(p->device9ex,
+ mapper->src_params.w,
+ mapper->src_params.h,
+ 1, D3DUSAGE_RENDERTARGET,
+ p_owner->alpha ?
+ D3DFMT_A8R8G8B8 : D3DFMT_X8R8G8B8,
+ D3DPOOL_DEFAULT,
+ &p->texture9,
+ &share_handle);
+ if (FAILED(hr)) {
+ MP_ERR(mapper, "Failed to create Direct3D9 texture: %s\n",
+ mp_HRESULT_to_str(hr));
+ goto fail;
+ }
+
+ hr = IDirect3DTexture9_GetSurfaceLevel(p->texture9, 0, &p->surface9);
+ if (FAILED(hr)) {
+ MP_ERR(mapper, "Failed to get Direct3D9 surface from texture: %s\n",
+ mp_HRESULT_to_str(hr));
+ goto fail;
+ }
+
+ EGLint attrib_list[] = {
+ EGL_WIDTH, mapper->src_params.w,
+ EGL_HEIGHT, mapper->src_params.h,
+ EGL_TEXTURE_FORMAT, p_owner->alpha ? EGL_TEXTURE_RGBA : EGL_TEXTURE_RGB,
+ EGL_TEXTURE_TARGET, EGL_TEXTURE_2D,
+ EGL_NONE
+ };
+ p->egl_surface = eglCreatePbufferFromClientBuffer(
+ p->egl_display, EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE,
+ share_handle, p_owner->egl_config, attrib_list);
+ if (p->egl_surface == EGL_NO_SURFACE) {
+ MP_ERR(mapper, "Failed to create EGL surface\n");
+ goto fail;
+ }
+
+ gl->GenTextures(1, &p->gl_texture);
+ gl->BindTexture(GL_TEXTURE_2D, p->gl_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);
+
+ 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, p_owner->alpha ? 4 : 3),
+ .render_src = true,
+ .src_linear = true,
+ };
+ if (!params.format)
+ goto fail;
+
+ mapper->tex[0] = ra_create_wrapped_tex(mapper->ra, &params, p->gl_texture);
+ if (!mapper->tex[0])
+ goto fail;
+
+ mapper->dst_params = mapper->src_params;
+ mapper->dst_params.imgfmt = IMGFMT_RGB0;
+ mapper->dst_params.hw_subfmt = 0;
+ return 0;
+fail:
+ return -1;
+}
+
+static int mapper_map(struct ra_hwdec_mapper *mapper)
+{
+ struct priv *p = mapper->priv;
+ GL *gl = ra_gl_get(mapper->ra);
+
+ HRESULT hr;
+ RECT rc = {0, 0, mapper->src->w, mapper->src->h};
+ IDirect3DSurface9* hw_surface = (IDirect3DSurface9 *)mapper->src->planes[3];
+ hr = IDirect3DDevice9Ex_StretchRect(p->device9ex,
+ hw_surface, &rc,
+ p->surface9, &rc,
+ D3DTEXF_NONE);
+ if (FAILED(hr)) {
+ MP_ERR(mapper, "Direct3D RGB conversion failed: %s\n",
+ mp_HRESULT_to_str(hr));
+ return -1;
+ }
+
+ hr = IDirect3DQuery9_Issue(p->query9, D3DISSUE_END);
+ if (FAILED(hr)) {
+ MP_ERR(mapper, "Failed to issue Direct3D END query\n");
+ return -1;
+ }
+
+ // There doesn't appear to be an efficient way to do a blocking flush
+ // of the above StretchRect. Timeout of 8ms is required to reliably
+ // render 4k on Intel Haswell, Ivybridge and Cherry Trail Atom.
+ const int max_retries = 8;
+ const int64_t wait_ns = MP_TIME_MS_TO_NS(1);
+ int retries = 0;
+ while (true) {
+ hr = IDirect3DQuery9_GetData(p->query9, NULL, 0, D3DGETDATA_FLUSH);
+ if (FAILED(hr)) {
+ MP_ERR(mapper, "Failed to query Direct3D flush state\n");
+ return -1;
+ } else if (hr == S_FALSE) {
+ if (++retries > max_retries) {
+ MP_VERBOSE(mapper, "Failed to flush frame after %lld ms\n",
+ (long long)MP_TIME_MS_TO_NS(wait_ns * max_retries));
+ break;
+ }
+ mp_sleep_ns(wait_ns);
+ } else {
+ break;
+ }
+ }
+
+ gl->BindTexture(GL_TEXTURE_2D, p->gl_texture);
+ eglBindTexImage(p->egl_display, p->egl_surface, EGL_BACK_BUFFER);
+ gl->BindTexture(GL_TEXTURE_2D, 0);
+
+ return 0;
+}
+
+const struct ra_hwdec_driver ra_hwdec_dxva2egl = {
+ .name = "dxva2-egl",
+ .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,
+ },
+};
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