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mpv/video/out/opengl/hwdec_dxva2egl.c

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/*
* 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},
.device_type = AV_HWDEVICE_TYPE_DXVA2,
.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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