mirror of https://github.com/mpv-player/mpv
140 lines
4.5 KiB
C
140 lines
4.5 KiB
C
/*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* mpv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <errno.h>
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#include <unistd.h>
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#include "config.h"
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#include "hwdec_vaapi.h"
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#include "video/out/placebo/ra_pl.h"
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static bool vaapi_vk_map(struct ra_hwdec_mapper *mapper)
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{
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struct priv *p = mapper->priv;
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const struct pl_gpu *gpu = ra_pl_get(mapper->ra);
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struct ra_imgfmt_desc desc = {0};
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if (!ra_get_imgfmt_desc(mapper->ra, mapper->dst_params.imgfmt, &desc))
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return false;
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for (int n = 0; n < p->num_planes; n++) {
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if (p->desc.layers[n].num_planes > 1) {
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// Should never happen because we request separate layers
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MP_ERR(mapper, "Multi-plane VA surfaces are not supported\n");
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return false;
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}
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const struct ra_format *format = desc.planes[n];
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int id = p->desc.layers[n].object_index[0];
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int fd = p->desc.objects[id].fd;
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uint32_t size = p->desc.objects[id].size;
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uint32_t offset = p->desc.layers[n].offset[0];
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#if PL_API_VER >= 88
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// AMD drivers do not return the size in the surface description, so we
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// need to query it manually. The reason we guard this logic behind
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// PL_API_VER >= 88 is that the same drivers also require DRM format
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// modifier support in order to not produce corrupted textures, so
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// having this #ifdef merely exists to protect users from combining
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// too-new mpv with too-old libplacebo.
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if (size == 0) {
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size = lseek(fd, 0, SEEK_END);
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if (size == -1) {
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MP_ERR(mapper, "Cannot obtain size of object with fd %d: %s\n",
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fd, mp_strerror(errno));
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return false;
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}
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off_t err = lseek(fd, 0, SEEK_SET);
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if (err == -1) {
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MP_ERR(mapper, "Failed to reset offset for fd %d: %s\n",
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fd, mp_strerror(errno));
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return false;
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}
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}
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#endif
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struct pl_tex_params tex_params = {
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.w = mp_image_plane_w(&p->layout, n),
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.h = mp_image_plane_h(&p->layout, n),
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.d = 0,
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.format = format->priv,
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.sampleable = true,
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.sample_mode = format->linear_filter ? PL_TEX_SAMPLE_LINEAR
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: PL_TEX_SAMPLE_NEAREST,
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.import_handle = PL_HANDLE_DMA_BUF,
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.shared_mem = (struct pl_shared_mem) {
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.handle = {
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.fd = fd,
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},
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.size = size,
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.offset = offset,
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#if PL_API_VER >= 88
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.drm_format_mod = p->desc.objects[id].drm_format_modifier,
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#endif
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},
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};
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const struct pl_tex *pltex = pl_tex_create(gpu, &tex_params);
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if (!pltex) {
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return false;
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}
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struct ra_tex *ratex = talloc_ptrtype(NULL, ratex);
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int ret = mppl_wrap_tex(mapper->ra, pltex, ratex);
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if (!ret) {
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pl_tex_destroy(gpu, &pltex);
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talloc_free(ratex);
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return false;
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}
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mapper->tex[n] = ratex;
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MP_TRACE(mapper, "Object %d with fd %d imported as %p\n",
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id, fd, ratex);
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}
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return true;
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}
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static void vaapi_vk_unmap(struct ra_hwdec_mapper *mapper)
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{
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for (int n = 0; n < 4; n++)
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ra_tex_free(mapper->ra, &mapper->tex[n]);
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}
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bool vaapi_vk_init(const struct ra_hwdec *hw)
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{
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struct priv_owner *p = hw->priv;
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const struct pl_gpu *gpu = ra_pl_get(hw->ra);
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if (!gpu) {
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// This is not a Vulkan RA;
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return false;
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}
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if (!(gpu->import_caps.tex & PL_HANDLE_DMA_BUF)) {
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MP_VERBOSE(hw, "VAAPI Vulkan interop requires support for "
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"dma_buf import in Vulkan.\n");
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return false;
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}
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MP_VERBOSE(hw, "using VAAPI Vulkan interop\n");
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p->interop_map = vaapi_vk_map;
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p->interop_unmap = vaapi_vk_unmap;
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return true;
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}
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