mirror of https://github.com/mpv-player/mpv
275 lines
7.6 KiB
C
275 lines
7.6 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 <stddef.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdbool.h>
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#include <math.h>
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#include <assert.h>
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#include "config.h"
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#include "common/common.h"
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#include "common/msg.h"
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#include "options/options.h"
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#include "options/m_option.h"
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#include "video/out/vo.h"
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#include "context.h"
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#include "spirv.h"
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/* OpenGL */
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extern const struct ra_ctx_fns ra_ctx_glx;
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extern const struct ra_ctx_fns ra_ctx_x11_egl;
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extern const struct ra_ctx_fns ra_ctx_drm_egl;
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extern const struct ra_ctx_fns ra_ctx_wayland_egl;
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extern const struct ra_ctx_fns ra_ctx_wgl;
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extern const struct ra_ctx_fns ra_ctx_angle;
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extern const struct ra_ctx_fns ra_ctx_dxgl;
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extern const struct ra_ctx_fns ra_ctx_android;
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/* Vulkan */
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extern const struct ra_ctx_fns ra_ctx_vulkan_wayland;
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extern const struct ra_ctx_fns ra_ctx_vulkan_win;
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extern const struct ra_ctx_fns ra_ctx_vulkan_xlib;
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extern const struct ra_ctx_fns ra_ctx_vulkan_android;
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extern const struct ra_ctx_fns ra_ctx_vulkan_display;
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extern const struct ra_ctx_fns ra_ctx_vulkan_mac;
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/* Direct3D 11 */
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extern const struct ra_ctx_fns ra_ctx_d3d11;
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/* No API */
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extern const struct ra_ctx_fns ra_ctx_wldmabuf;
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static const struct ra_ctx_fns *contexts[] = {
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#if HAVE_D3D11
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&ra_ctx_d3d11,
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#endif
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// OpenGL contexts:
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#if HAVE_EGL_ANDROID
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&ra_ctx_android,
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#endif
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#if HAVE_EGL_ANGLE_WIN32
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&ra_ctx_angle,
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#endif
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#if HAVE_GL_WIN32
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&ra_ctx_wgl,
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#endif
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#if HAVE_GL_DXINTEROP
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&ra_ctx_dxgl,
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#endif
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#if HAVE_EGL_WAYLAND
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&ra_ctx_wayland_egl,
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#endif
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#if HAVE_EGL_X11
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&ra_ctx_x11_egl,
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#endif
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#if HAVE_GL_X11
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&ra_ctx_glx,
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#endif
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#if HAVE_EGL_DRM
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&ra_ctx_drm_egl,
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#endif
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// Vulkan contexts:
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#if HAVE_VULKAN
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#if HAVE_ANDROID
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&ra_ctx_vulkan_android,
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#endif
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#if HAVE_WIN32_DESKTOP
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&ra_ctx_vulkan_win,
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#endif
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#if HAVE_WAYLAND
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&ra_ctx_vulkan_wayland,
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#endif
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#if HAVE_X11
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&ra_ctx_vulkan_xlib,
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#endif
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#if HAVE_VK_KHR_DISPLAY
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&ra_ctx_vulkan_display,
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#endif
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#if HAVE_COCOA && HAVE_SWIFT
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&ra_ctx_vulkan_mac,
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#endif
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#endif
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/* No API contexts: */
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#if HAVE_DMABUF_WAYLAND
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&ra_ctx_wldmabuf,
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#endif
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};
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static int ra_ctx_api_help(struct mp_log *log, const struct m_option *opt,
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struct bstr name)
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{
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mp_info(log, "GPU APIs (contexts):\n");
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mp_info(log, " auto (autodetect)\n");
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for (int n = 0; n < MP_ARRAY_SIZE(contexts); n++) {
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if (!contexts[n]->hidden)
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mp_info(log, " %s (%s)\n", contexts[n]->type, contexts[n]->name);
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}
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return M_OPT_EXIT;
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}
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static int ra_ctx_validate_api(struct mp_log *log, const struct m_option *opt,
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struct bstr name, const char **value)
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{
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struct bstr param = bstr0(*value);
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if (bstr_equals0(param, "auto"))
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return 1;
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for (int i = 0; i < MP_ARRAY_SIZE(contexts); i++) {
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if (bstr_equals0(param, contexts[i]->type) && !contexts[i]->hidden)
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return 1;
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}
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return M_OPT_INVALID;
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}
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static int ra_ctx_context_help(struct mp_log *log, const struct m_option *opt,
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struct bstr name)
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{
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mp_info(log, "GPU contexts (APIs):\n");
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mp_info(log, " auto (autodetect)\n");
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for (int n = 0; n < MP_ARRAY_SIZE(contexts); n++) {
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if (!contexts[n]->hidden)
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mp_info(log, " %s (%s)\n", contexts[n]->name, contexts[n]->type);
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}
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return M_OPT_EXIT;
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}
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static int ra_ctx_validate_context(struct mp_log *log, const struct m_option *opt,
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struct bstr name, const char **value)
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{
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struct bstr param = bstr0(*value);
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if (bstr_equals0(param, "auto"))
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return 1;
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for (int i = 0; i < MP_ARRAY_SIZE(contexts); i++) {
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if (bstr_equals0(param, contexts[i]->name) && !contexts[i]->hidden)
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return 1;
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}
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return M_OPT_INVALID;
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}
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// Create a VO window and create a RA context on it.
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// vo_flags: passed to the backend's create window function
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struct ra_ctx *ra_ctx_create(struct vo *vo, struct ra_ctx_opts opts)
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{
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bool api_auto = !opts.context_type || strcmp(opts.context_type, "auto") == 0;
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bool ctx_auto = !opts.context_name || strcmp(opts.context_name, "auto") == 0;
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if (ctx_auto) {
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MP_VERBOSE(vo, "Probing for best GPU context.\n");
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opts.probing = true;
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}
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// Hack to silence backend (X11/Wayland/etc.) errors. Kill it once backends
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// are separate from `struct vo`
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bool old_probing = vo->probing;
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vo->probing = opts.probing;
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for (int i = 0; i < MP_ARRAY_SIZE(contexts); i++) {
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if (contexts[i]->hidden)
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continue;
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if (!opts.probing && strcmp(contexts[i]->name, opts.context_name) != 0)
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continue;
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if (!api_auto && strcmp(contexts[i]->type, opts.context_type) != 0)
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continue;
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struct ra_ctx *ctx = talloc_ptrtype(NULL, ctx);
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*ctx = (struct ra_ctx) {
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.vo = vo,
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.global = vo->global,
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.log = mp_log_new(ctx, vo->log, contexts[i]->type),
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.opts = opts,
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.fns = contexts[i],
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};
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MP_VERBOSE(ctx, "Initializing GPU context '%s'\n", ctx->fns->name);
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if (contexts[i]->init(ctx)) {
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vo->probing = old_probing;
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vo->context_name = ctx->fns->name;
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return ctx;
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}
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talloc_free(ctx);
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}
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vo->probing = old_probing;
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// If we've reached this point, then none of the contexts matched the name
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// requested, or the backend creation failed for all of them.
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if (!vo->probing)
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MP_ERR(vo, "Failed initializing any suitable GPU context!\n");
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return NULL;
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}
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struct ra_ctx *ra_ctx_create_by_name(struct vo *vo, const char *name)
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{
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for (int i = 0; i < MP_ARRAY_SIZE(contexts); i++) {
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if (strcmp(name, contexts[i]->name) != 0)
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continue;
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struct ra_ctx *ctx = talloc_ptrtype(NULL, ctx);
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*ctx = (struct ra_ctx) {
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.vo = vo,
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.global = vo->global,
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.log = mp_log_new(ctx, vo->log, contexts[i]->type),
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.fns = contexts[i],
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};
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MP_VERBOSE(ctx, "Initializing GPU context '%s'\n", ctx->fns->name);
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if (contexts[i]->init(ctx))
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return ctx;
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talloc_free(ctx);
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}
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return NULL;
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}
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void ra_ctx_destroy(struct ra_ctx **ctx_ptr)
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{
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struct ra_ctx *ctx = *ctx_ptr;
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if (!ctx)
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return;
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if (ctx->spirv && ctx->spirv->fns->uninit)
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ctx->spirv->fns->uninit(ctx);
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ctx->fns->uninit(ctx);
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talloc_free(ctx);
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*ctx_ptr = NULL;
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}
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#define OPT_BASE_STRUCT struct ra_ctx_opts
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const struct m_sub_options ra_ctx_conf = {
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.opts = (const m_option_t[]) {
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{"gpu-context",
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OPT_STRING_VALIDATE(context_name, ra_ctx_validate_context),
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.help = ra_ctx_context_help},
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{"gpu-api",
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OPT_STRING_VALIDATE(context_type, ra_ctx_validate_api),
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.help = ra_ctx_api_help},
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{"gpu-debug", OPT_BOOL(debug)},
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{"gpu-sw", OPT_BOOL(allow_sw)},
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{0}
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},
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.size = sizeof(struct ra_ctx_opts),
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};
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