diff options
Diffstat (limited to '')
| -rw-r--r-- | video/out/opengl/hwdec_d3d11egl.c | 363 |
1 files changed, 363 insertions, 0 deletions
diff --git a/video/out/opengl/hwdec_d3d11egl.c b/video/out/opengl/hwdec_d3d11egl.c new file mode 100644 index 0000000..c312091 --- /dev/null +++ b/video/out/opengl/hwdec_d3d11egl.c @@ -0,0 +1,363 @@ +/* + * 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 + EGLBoolean (EGLAPIENTRY *CreateStreamProducerD3DTextureANGLE) + (EGLDisplay dpy, EGLStreamKHR stream, const EGLAttrib *attrib_list); + EGLBoolean (EGLAPIENTRY *StreamPostD3DTextureANGLE) + (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_ctx->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_ctx->ra); + + const char *exts = eglQueryString(egl_display, EGL_EXTENSIONS); + if (!gl_check_extension(exts, "EGL_ANGLE_d3d_share_handle_client_buffer") || + !gl_check_extension(exts, "EGL_ANGLE_stream_producer_d3d_texture") || + !(gl_check_extension(gl->extensions, "GL_OES_EGL_image_external_essl3") || + gl->es == 200) || + !gl_check_extension(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->CreateStreamProducerD3DTextureANGLE = + (void *)eglGetProcAddress("eglCreateStreamProducerD3DTextureANGLE"); + p->StreamPostD3DTextureANGLE = + (void *)eglGetProcAddress("eglStreamPostD3DTextureANGLE"); + + if (!p->CreateStreamKHR || !p->DestroyStreamKHR || + !p->StreamConsumerAcquireKHR || !p->StreamConsumerReleaseKHR || + !p->StreamConsumerGLTextureExternalAttribsNV || + !p->CreateStreamProducerD3DTextureANGLE || + !p->StreamPostD3DTextureANGLE) + { + 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); + + static const int subfmts[] = {IMGFMT_NV12, IMGFMT_P010, 0}; + p->hwctx = (struct mp_hwdec_ctx){ + .driver_name = hw->driver->name, + .av_device_ref = d3d11_wrap_device_ref(p->d3d11_device), + .supported_formats = subfmts, + .hw_imgfmt = IMGFMT_D3D11, + }; + + if (!p->hwctx.av_device_ref) { + MP_VERBOSE(hw, "Failed to create hwdevice_ctx\n"); + return -1; + } + + 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); + + struct ra_imgfmt_desc desc = {0}; + + ra_get_imgfmt_desc(mapper->ra, mapper->src_params.hw_subfmt, &desc); + + // ANGLE hardcodes the list of accepted formats. This is a subset. + if ((mapper->src_params.hw_subfmt != IMGFMT_NV12 && + mapper->src_params.hw_subfmt != IMGFMT_P010) || + desc.num_planes < 1 || desc.num_planes > 2) + { + 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 = desc.num_planes; + int gl_target = GL_TEXTURE_EXTERNAL_OES; + + p->egl_stream = o->CreateStreamKHR(o->egl_display, (EGLint[]){EGL_NONE}); + if (!p->egl_stream) + goto fail; + + EGLAttrib attrs[(2 + 2 + 1) * 2] = { + EGL_COLOR_BUFFER_TYPE, EGL_YUV_BUFFER_EXT, + EGL_YUV_NUMBER_OF_PLANES_EXT, num_planes, + }; + + 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); + attrs[(2 + n) * 2 + 0] = EGL_YUV_PLANE0_TEXTURE_UNIT_NV + n; + attrs[(2 + n) * 2 + 1] = texunits + n; + } + + attrs[(2 + num_planes) * 2 + 0] = EGL_NONE; + + if (!o->StreamConsumerGLTextureExternalAttribsNV(o->egl_display, p->egl_stream, + attrs)) + goto fail; + + if (!o->CreateStreamProducerD3DTextureANGLE(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->StreamPostD3DTextureANGLE(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->StreamPostD3DTextureANGLE(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_D3D11, 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, + }, +}; |