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mpv/video/out/opengl/hwdec_d3d11egl.c
wm4 35498d5957 vo_opengl: hwdec_d3d11egl: make it work with some ANGLE DLL versions 
What a fucking waste of time. It depends on with which headers you
compile as well, so the situation is worse and more confusing than
you'd think. God knows what brain fart made them change the numeric
ID without changing the extension name or any other ways to keep
ABI-compatibility and without any warning.
2017-02-27 15:40:11 +01:00

343 lines
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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 <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 "hwdec.h"
#include "video/hwdec.h"
#include "video/decode/d3d.h"
#ifndef EGL_D3D_TEXTURE_SUBRESOURCE_ID_ANGLE
#define EGL_D3D_TEXTURE_SUBRESOURCE_ID_ANGLE 0x33AB
#endif
struct priv {
struct mp_hwdec_ctx hwctx;
ID3D11Device *d3d11_device;
EGLDisplay egl_display;
EGLStreamKHR egl_stream;
GLuint gl_textures[3];
// 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);
};
static void destroy_objects(struct gl_hwdec *hw)
{
struct priv *p = hw->priv;
GL *gl = hw->gl;
if (p->egl_stream)
p->DestroyStreamKHR(p->egl_display, p->egl_stream);
p->egl_stream = 0;
for (int n = 0; n < 3; n++) {
gl->DeleteTextures(1, &p->gl_textures[n]);
p->gl_textures[n] = 0;
}
}
static void destroy(struct gl_hwdec *hw)
{
struct priv *p = hw->priv;
destroy_objects(hw);
hwdec_devices_remove(hw->devs, &p->hwctx);
if (p->d3d11_device)
ID3D11Device_Release(p->d3d11_device);
p->d3d11_device = NULL;
}
static int create(struct gl_hwdec *hw)
{
if (!angle_load())
return -1;
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") ||
!strstr(exts, "EGL_ANGLE_stream_producer_d3d_texture_nv12") ||
!(strstr(hw->gl->extensions, "GL_OES_EGL_image_external_essl3") ||
hw->gl->es == 200) ||
!strstr(exts, "EGL_EXT_device_query") ||
!(hw->gl->mpgl_caps & MPGL_CAP_TEX_RG))
return -1;
HRESULT hr;
struct priv *p = talloc_zero(hw, struct priv);
hw->priv = p;
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 = hw->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){
.type = HWDEC_D3D11VA,
.driver_name = hw->driver->name,
.ctx = p->d3d11_device,
.download_image = d3d11_download_image,
};
hwdec_devices_add(hw->devs, &p->hwctx);
return 0;
fail:
destroy(hw);
return -1;
}
static int reinit(struct gl_hwdec *hw, struct mp_image_params *params)
{
struct priv *p = hw->priv;
GL *gl = hw->gl;
destroy_objects(hw);
if (params->hw_subfmt != IMGFMT_NV12) {
MP_FATAL(hw, "Format not supported.\n");
return -1;
}
// Hope that the given texture unit range is not "in use" by anything.
// 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 = p->CreateStreamKHR(p->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 (!p->StreamConsumerGLTextureExternalAttribsNV(p->egl_display, p->egl_stream,
attrs))
goto fail;
if (!p->CreateStreamProducerD3DTextureNV12ANGLE(p->egl_display, p->egl_stream,
(EGLAttrib[]){EGL_NONE}))
goto fail;
params->imgfmt = params->hw_subfmt;
params->hw_subfmt = 0;
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:
MP_ERR(hw, "Failed to create EGLStream\n");
if (p->egl_stream)
p->DestroyStreamKHR(p->egl_display, p->egl_stream);
p->egl_stream = 0;
gl->ActiveTexture(GL_TEXTURE0);
return -1;
}
static int map_frame(struct gl_hwdec *hw, struct mp_image *hw_image,
struct gl_hwdec_frame *out_frame)
{
struct priv *p = hw->priv;
if (!p->gl_textures[0])
return -1;
ID3D11Texture2D *d3d_tex = (void *)hw_image->planes[1];
int d3d_subindex = (intptr_t)hw_image->planes[2];
if (!d3d_tex)
return -1;
EGLAttrib attrs[] = {
EGL_D3D_TEXTURE_SUBRESOURCE_ID_ANGLE, d3d_subindex,
EGL_NONE,
};
if (!p->StreamPostD3DTextureNV12ANGLE(p->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 (!p->StreamPostD3DTextureNV12ANGLE(p->egl_display, p->egl_stream,
(void *)d3d_tex, attrs))
return -1;
}
if (!p->StreamConsumerAcquireKHR(p->egl_display, p->egl_stream))
return -1;
D3D11_TEXTURE2D_DESC texdesc;
ID3D11Texture2D_GetDesc(d3d_tex, &texdesc);
*out_frame = (struct gl_hwdec_frame){
.planes = {
{
.gl_texture = p->gl_textures[0],
.gl_target = GL_TEXTURE_EXTERNAL_OES,
.tex_w = texdesc.Width,
.tex_h = texdesc.Height,
},
{
.gl_texture = p->gl_textures[1],
.gl_target = GL_TEXTURE_EXTERNAL_OES,
.tex_w = texdesc.Width / 2,
.tex_h = texdesc.Height / 2,
},
},
};
return 0;
}
static void unmap(struct gl_hwdec *hw)
{
struct priv *p = hw->priv;
if (p->egl_stream)
p->StreamConsumerReleaseKHR(p->egl_display, p->egl_stream);
}
const struct gl_hwdec_driver gl_hwdec_d3d11egl = {
.name = "d3d11-egl",
.api = HWDEC_D3D11VA,
.imgfmt = IMGFMT_D3D11NV12,
.create = create,
.reinit = reinit,
.map_frame = map_frame,
.unmap = unmap,
.destroy = destroy,
};
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