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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 <d3d11.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"
#ifndef EGL_D3D_TEXTURE_SUBRESOURCE_ID_ANGLE
#define EGL_D3D_TEXTURE_SUBRESOURCE_ID_ANGLE 0x3AAB
#endif
struct priv_owner {
struct mp_hwdec_ctx hwctx;
ID3D11Device *d3d11_device;
EGLDisplay egl_display;
EGLConfig egl_config;
};
struct priv {
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);
if (p->d3d11_device)
ID3D11Device_Release(p->d3d11_device);
}
static int init(struct ra_hwdec *hw)
{
struct priv_owner *p = hw->priv;
HRESULT hr;
if (!ra_is_gl(hw->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 (!exts || !strstr(exts, "EGL_ANGLE_d3d_share_handle_client_buffer"))
return -1;
p->egl_display = egl_display;
if (!d3d11_D3D11CreateDevice) {
if (!hw->probing)
MP_ERR(hw, "Failed to load D3D11 library\n");
goto fail;
}
hr = d3d11_D3D11CreateDevice(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL,
D3D11_CREATE_DEVICE_VIDEO_SUPPORT, NULL, 0,
D3D11_SDK_VERSION, &p->d3d11_device, NULL, NULL);
if (FAILED(hr)) {
int lev = hw->probing ? MSGL_V : MSGL_ERR;
mp_msg(hw->log, lev, "Failed to create D3D11 Device: %s\n",
mp_HRESULT_to_str(hr));
goto fail;
}
ID3D10Multithread *multithread;
hr = ID3D11Device_QueryInterface(p->d3d11_device, &IID_ID3D10Multithread,
(void **)&multithread);
if (FAILED(hr)) {
ID3D10Multithread_Release(multithread);
MP_ERR(hw, "Failed to get Multithread interface: %s\n",
mp_HRESULT_to_str(hr));
goto fail;
}
ID3D10Multithread_SetMultithreadProtected(multithread, TRUE);
ID3D10Multithread_Release(multithread);
if (!d3d11_check_decoding(p->d3d11_device)) {
MP_VERBOSE(hw, "D3D11 video decoding not supported on this system.\n");
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, 8,
EGL_BIND_TO_TEXTURE_RGBA, EGL_TRUE,
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;
}
p->hwctx = (struct mp_hwdec_ctx){
.driver_name = hw->driver->name,
.av_device_ref = d3d11_wrap_device_ref(p->d3d11_device),
};
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);
gl->DeleteTextures(1, &p->gl_texture);
}
static int mapper_init(struct ra_hwdec_mapper *mapper)
{
struct priv *p = mapper->priv;
GL *gl = ra_gl_get(mapper->ra);
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);
mapper->dst_params = mapper->src_params;
mapper->dst_params.imgfmt = IMGFMT_RGB0;
mapper->dst_params.hw_subfmt = 0;
return 0;
}
static void mapper_unmap(struct ra_hwdec_mapper *mapper)
{
struct priv_owner *o = mapper->owner->priv;
struct priv *p = mapper->priv;
ra_tex_free(mapper->ra, &mapper->tex[0]);
if (p->egl_surface) {
eglReleaseTexImage(o->egl_display, p->egl_surface, EGL_BACK_BUFFER);
eglDestroySurface(o->egl_display, p->egl_surface);
}
p->egl_surface = NULL;
}
static int mapper_map(struct ra_hwdec_mapper *mapper)
{
struct priv_owner *o = mapper->owner->priv;
struct priv *p = mapper->priv;
GL *gl = ra_gl_get(mapper->ra);
HRESULT hr;
if (!p->gl_texture)
return -1;
ID3D11Texture2D *d3d_tex = (void *)mapper->src->planes[0];
if (!d3d_tex)
return -1;
IDXGIResource *res;
hr = IUnknown_QueryInterface(d3d_tex, &IID_IDXGIResource, (void **)&res);
if (FAILED(hr))
return -1;
HANDLE share_handle = NULL;
hr = IDXGIResource_GetSharedHandle(res, &share_handle);
if (FAILED(hr))
share_handle = NULL;
IDXGIResource_Release(res);
if (!share_handle)
return -1;
D3D11_TEXTURE2D_DESC texdesc;
ID3D11Texture2D_GetDesc(d3d_tex, &texdesc);
EGLint attrib_list[] = {
EGL_WIDTH, texdesc.Width,
EGL_HEIGHT, texdesc.Height,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA,
EGL_TEXTURE_TARGET, EGL_TEXTURE_2D,
EGL_NONE
};
p->egl_surface = eglCreatePbufferFromClientBuffer(
o->egl_display, EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE,
share_handle, o->egl_config, attrib_list);
if (p->egl_surface == EGL_NO_SURFACE) {
MP_ERR(mapper, "Failed to create EGL surface\n");
return -1;
}
gl->BindTexture(GL_TEXTURE_2D, p->gl_texture);
eglBindTexImage(o->egl_display, p->egl_surface, EGL_BACK_BUFFER);
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, 4),
.render_src = true,
.src_linear = true,
};
if (!params.format)
return -1;
mapper->tex[0] = ra_create_wrapped_tex(mapper->ra, ¶ms, p->gl_texture);
if (!mapper->tex[0])
return -1;
return 0;
}
const struct ra_hwdec_driver ra_hwdec_d3d11eglrgb = {
.name = "d3d11-egl-rgb",
.priv_size = sizeof(struct priv_owner),
.imgfmts = {IMGFMT_D3D11RGB, 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,
.unmap = mapper_unmap,
},
};
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