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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 0x33AB
#endif
struct priv_owner {
struct mp_hwdec_ctx hwctx;
ID3D11Device *d3d11_device;
EGLDisplay egl_display;
// EGL_KHR_stream
EGLStreamKHR (EGLAPIENTRY *CreateStreamKHR)(EGLDisplay dpy,
const EGLint *attrib_list);
EGLBoolean (EGLAPIENTRY *DestroyStreamKHR)(EGLDisplay dpy,
EGLStreamKHR stream);
// EGL_KHR_stream_consumer_gltexture
EGLBoolean (EGLAPIENTRY *StreamConsumerAcquireKHR)
(EGLDisplay dpy, EGLStreamKHR stream);
EGLBoolean (EGLAPIENTRY *StreamConsumerReleaseKHR)
(EGLDisplay dpy, EGLStreamKHR stream);
// EGL_NV_stream_consumer_gltexture_yuv
EGLBoolean (EGLAPIENTRY *StreamConsumerGLTextureExternalAttribsNV)
(EGLDisplay dpy, EGLStreamKHR stream, EGLAttrib *attrib_list);
// EGL_ANGLE_stream_producer_d3d_texture_nv12
EGLBoolean (EGLAPIENTRY *CreateStreamProducerD3DTextureNV12ANGLE)
(EGLDisplay dpy, EGLStreamKHR stream, const EGLAttrib *attrib_list);
EGLBoolean (EGLAPIENTRY *StreamPostD3DTextureNV12ANGLE)
(EGLDisplay dpy, EGLStreamKHR stream, void *texture,
const EGLAttrib *attrib_list);
};
struct priv {
EGLStreamKHR egl_stream;
GLuint gl_textures[2];
};
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;
EGLDisplay egl_display = eglGetCurrentDisplay();
if (!egl_display)
return -1;
if (!eglGetCurrentContext())
return -1;
GL *gl = ra_gl_get(hw->ra);
const char *exts = eglQueryString(egl_display, EGL_EXTENSIONS);
if (!exts || !strstr(exts, "EGL_ANGLE_d3d_share_handle_client_buffer") ||
!strstr(exts, "EGL_ANGLE_stream_producer_d3d_texture_nv12") ||
!(strstr(gl->extensions, "GL_OES_EGL_image_external_essl3") ||
gl->es == 200) ||
!strstr(exts, "EGL_EXT_device_query") ||
!(gl->mpgl_caps & MPGL_CAP_TEX_RG))
return -1;
p->egl_display = egl_display;
p->CreateStreamKHR = (void *)eglGetProcAddress("eglCreateStreamKHR");
p->DestroyStreamKHR = (void *)eglGetProcAddress("eglDestroyStreamKHR");
p->StreamConsumerAcquireKHR =
(void *)eglGetProcAddress("eglStreamConsumerAcquireKHR");
p->StreamConsumerReleaseKHR =
(void *)eglGetProcAddress("eglStreamConsumerReleaseKHR");
p->StreamConsumerGLTextureExternalAttribsNV =
(void *)eglGetProcAddress("eglStreamConsumerGLTextureExternalAttribsNV");
p->CreateStreamProducerD3DTextureNV12ANGLE =
(void *)eglGetProcAddress("eglCreateStreamProducerD3DTextureNV12ANGLE");
p->StreamPostD3DTextureNV12ANGLE =
(void *)eglGetProcAddress("eglStreamPostD3DTextureNV12ANGLE");
if (!p->CreateStreamKHR || !p->DestroyStreamKHR ||
!p->StreamConsumerAcquireKHR || !p->StreamConsumerReleaseKHR ||
!p->StreamConsumerGLTextureExternalAttribsNV ||
!p->CreateStreamProducerD3DTextureNV12ANGLE ||
!p->StreamPostD3DTextureNV12ANGLE)
{
MP_ERR(hw, "Failed to load some EGLStream functions.\n");
goto fail;
}
static const char *es2_exts[] = {"GL_NV_EGL_stream_consumer_external", 0};
static const char *es3_exts[] = {"GL_NV_EGL_stream_consumer_external",
"GL_OES_EGL_image_external_essl3", 0};
hw->glsl_extensions = gl->es == 200 ? es2_exts : es3_exts;
PFNEGLQUERYDISPLAYATTRIBEXTPROC p_eglQueryDisplayAttribEXT =
(void *)eglGetProcAddress("eglQueryDisplayAttribEXT");
PFNEGLQUERYDEVICEATTRIBEXTPROC p_eglQueryDeviceAttribEXT =
(void *)eglGetProcAddress("eglQueryDeviceAttribEXT");
if (!p_eglQueryDisplayAttribEXT || !p_eglQueryDeviceAttribEXT)
goto fail;
EGLAttrib device = 0;
if (!p_eglQueryDisplayAttribEXT(egl_display, EGL_DEVICE_EXT, &device))
goto fail;
EGLAttrib d3d_device = 0;
if (!p_eglQueryDeviceAttribEXT((EGLDeviceEXT)device,
EGL_D3D11_DEVICE_ANGLE, &d3d_device))
{
MP_ERR(hw, "Could not get EGL_D3D11_DEVICE_ANGLE from ANGLE.\n");
goto fail;
}
p->d3d11_device = (ID3D11Device *)d3d_device;
if (!p->d3d11_device)
goto fail;
ID3D11Device_AddRef(p->d3d11_device);
if (!d3d11_check_decoding(p->d3d11_device)) {
MP_VERBOSE(hw, "D3D11 video decoding not supported on this system.\n");
goto fail;
}
ID3D10Multithread *multithread;
hr = ID3D11Device_QueryInterface(p->d3d11_device, &IID_ID3D10Multithread,
(void **)&multithread);
if (FAILED(hr)) {
MP_ERR(hw, "Failed to get Multithread interface: %s\n",
mp_HRESULT_to_str(hr));
goto fail;
}
ID3D10Multithread_SetMultithreadProtected(multithread, TRUE);
ID3D10Multithread_Release(multithread);
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_owner *o = mapper->owner->priv;
struct priv *p = mapper->priv;
GL *gl = ra_gl_get(mapper->ra);
if (p->egl_stream)
o->DestroyStreamKHR(o->egl_display, p->egl_stream);
p->egl_stream = 0;
gl->DeleteTextures(2, p->gl_textures);
}
static int mapper_init(struct ra_hwdec_mapper *mapper)
{
struct priv_owner *o = mapper->owner->priv;
struct priv *p = mapper->priv;
GL *gl = ra_gl_get(mapper->ra);
if (mapper->src_params.hw_subfmt != IMGFMT_NV12) {
MP_FATAL(mapper, "Format not supported.\n");
return -1;
}
mapper->dst_params = mapper->src_params;
mapper->dst_params.imgfmt = mapper->src_params.hw_subfmt;
mapper->dst_params.hw_subfmt = 0;
// The texture units need to be bound during init only, and are free for
// use again after the initialization here is done.
int texunits = 0; // [texunits, texunits + num_planes)
int num_planes = 2;
int gl_target = GL_TEXTURE_EXTERNAL_OES;
p->egl_stream = o->CreateStreamKHR(o->egl_display, (EGLint[]){EGL_NONE});
if (!p->egl_stream)
goto fail;
for (int n = 0; n < num_planes; n++) {
gl->ActiveTexture(GL_TEXTURE0 + texunits + n);
gl->GenTextures(1, &p->gl_textures[n]);
gl->BindTexture(gl_target, p->gl_textures[n]);
gl->TexParameteri(gl_target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
gl->TexParameteri(gl_target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
gl->TexParameteri(gl_target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl->TexParameteri(gl_target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
EGLAttrib attrs[] = {
EGL_COLOR_BUFFER_TYPE, EGL_YUV_BUFFER_EXT,
EGL_YUV_NUMBER_OF_PLANES_EXT, num_planes,
EGL_YUV_PLANE0_TEXTURE_UNIT_NV, texunits + 0,
EGL_YUV_PLANE1_TEXTURE_UNIT_NV, texunits + 1,
EGL_NONE,
};
if (!o->StreamConsumerGLTextureExternalAttribsNV(o->egl_display, p->egl_stream,
attrs))
goto fail;
if (!o->CreateStreamProducerD3DTextureNV12ANGLE(o->egl_display, p->egl_stream,
(EGLAttrib[]){EGL_NONE}))
goto fail;
for (int n = 0; n < num_planes; n++) {
gl->ActiveTexture(GL_TEXTURE0 + texunits + n);
gl->BindTexture(gl_target, 0);
}
gl->ActiveTexture(GL_TEXTURE0);
return 0;
fail:
gl->ActiveTexture(GL_TEXTURE0);
MP_ERR(mapper, "Failed to create EGLStream\n");
return -1;
}
static int mapper_map(struct ra_hwdec_mapper *mapper)
{
struct priv_owner *o = mapper->owner->priv;
struct priv *p = mapper->priv;
ID3D11Texture2D *d3d_tex = (void *)mapper->src->planes[0];
int d3d_subindex = (intptr_t)mapper->src->planes[1];
if (!d3d_tex)
return -1;
EGLAttrib attrs[] = {
EGL_D3D_TEXTURE_SUBRESOURCE_ID_ANGLE, d3d_subindex,
EGL_NONE,
};
if (!o->StreamPostD3DTextureNV12ANGLE(o->egl_display, p->egl_stream,
(void *)d3d_tex, attrs))
{
// ANGLE changed the enum ID of this without warning at one point.
attrs[0] = attrs[0] == 0x33AB ? 0x3AAB : 0x33AB;
if (!o->StreamPostD3DTextureNV12ANGLE(o->egl_display, p->egl_stream,
(void *)d3d_tex, attrs))
return -1;
}
if (!o->StreamConsumerAcquireKHR(o->egl_display, p->egl_stream))
return -1;
D3D11_TEXTURE2D_DESC texdesc;
ID3D11Texture2D_GetDesc(d3d_tex, &texdesc);
for (int n = 0; n < 2; n++) {
struct ra_tex_params params = {
.dimensions = 2,
.w = texdesc.Width / (n ? 2 : 1),
.h = texdesc.Height / (n ? 2 : 1),
.d = 1,
.format = ra_find_unorm_format(mapper->ra, 1, n ? 2 : 1),
.render_src = true,
.src_linear = true,
.external_oes = true,
};
if (!params.format)
return -1;
mapper->tex[n] = ra_create_wrapped_tex(mapper->ra, ¶ms,
p->gl_textures[n]);
if (!mapper->tex[n])
return -1;
}
return 0;
}
static void mapper_unmap(struct ra_hwdec_mapper *mapper)
{
struct priv_owner *o = mapper->owner->priv;
struct priv *p = mapper->priv;
for (int n = 0; n < 2; n++)
ra_tex_free(mapper->ra, &mapper->tex[n]);
if (p->egl_stream)
o->StreamConsumerReleaseKHR(o->egl_display, p->egl_stream);
}
const struct ra_hwdec_driver ra_hwdec_d3d11egl = {
.name = "d3d11-egl",
.priv_size = sizeof(struct priv_owner),
.imgfmts = {IMGFMT_D3D11NV12, 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,
},
};
|