mirror of https://github.com/mpv-player/mpv
504 lines
14 KiB
C
504 lines
14 KiB
C
/*
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* Based on vo_gl.c by Reimar Doeffinger.
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*
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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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include <stdbool.h>
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#include <assert.h>
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#include <libavutil/common.h>
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#include "config.h"
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#include "mpv_talloc.h"
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#include "common/common.h"
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#include "misc/bstr.h"
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#include "common/msg.h"
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#include "common/global.h"
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#include "options/m_config.h"
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#include "vo.h"
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#include "video/mp_image.h"
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#include "sub/osd.h"
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#include "opengl/context.h"
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#include "opengl/utils.h"
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#include "opengl/hwdec.h"
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#include "opengl/osd.h"
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#include "filter_kernels.h"
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#include "video/hwdec.h"
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#include "opengl/video.h"
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#include "opengl/ra_gl.h"
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#define NUM_VSYNC_FENCES 10
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struct vo_opengl_opts {
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int use_glFinish;
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int waitvsync;
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int use_gl_debug;
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int allow_sw;
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int swap_interval;
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int vsync_fences;
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char *backend;
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int es;
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int pattern[2];
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};
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struct gl_priv {
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struct vo *vo;
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struct mp_log *log;
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MPGLContext *glctx;
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GL *gl;
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struct ra *ra;
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struct vo_opengl_opts opts;
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struct gl_video *renderer;
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struct gl_hwdec *hwdec;
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int events;
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int frames_rendered;
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unsigned int prev_sgi_sync_count;
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// check-pattern sub-option; for testing/debugging
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int last_pattern;
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int matches, mismatches;
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GLsync vsync_fences[NUM_VSYNC_FENCES];
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int num_vsync_fences;
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};
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static void resize(struct gl_priv *p)
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{
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struct vo *vo = p->vo;
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MP_VERBOSE(vo, "Resize: %dx%d\n", vo->dwidth, vo->dheight);
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struct mp_rect src, dst;
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struct mp_osd_res osd;
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vo_get_src_dst_rects(vo, &src, &dst, &osd);
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gl_video_resize(p->renderer, &src, &dst, &osd);
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vo->want_redraw = true;
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}
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static void check_pattern(struct vo *vo, int item)
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{
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struct gl_priv *p = vo->priv;
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int expected = p->opts.pattern[p->last_pattern];
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if (item == expected) {
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p->last_pattern++;
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if (p->last_pattern >= 2)
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p->last_pattern = 0;
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p->matches++;
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} else {
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p->mismatches++;
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MP_WARN(vo, "wrong pattern, expected %d got %d (hit: %d, mis: %d)\n",
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expected, item, p->matches, p->mismatches);
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}
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}
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static void draw_frame(struct vo *vo, struct vo_frame *frame)
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{
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struct gl_priv *p = vo->priv;
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GL *gl = p->gl;
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mpgl_start_frame(p->glctx);
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if (gl->FenceSync && p->num_vsync_fences < p->opts.vsync_fences) {
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GLsync fence = gl->FenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);;
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if (fence)
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p->vsync_fences[p->num_vsync_fences++] = fence;
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}
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struct fbodst target = {
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.tex = ra_create_wrapped_fb(p->ra, p->glctx->main_fb,
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vo->dwidth, vo->dheight),
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.flip = !p->glctx->flip_v,
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};
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gl_video_render_frame(p->renderer, frame, target);
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ra_tex_free(p->ra, &target.tex);
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if (p->opts.use_glFinish)
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gl->Finish();
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}
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static void flip_page(struct vo *vo)
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{
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struct gl_priv *p = vo->priv;
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GL *gl = p->gl;
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mpgl_swap_buffers(p->glctx);
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p->frames_rendered++;
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if (p->frames_rendered > 5 && !p->opts.use_gl_debug)
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ra_gl_set_debug(p->ra, false);
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if (p->opts.use_glFinish)
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gl->Finish();
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if (p->opts.waitvsync || p->opts.pattern[0]) {
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if (gl->GetVideoSync) {
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unsigned int n1 = 0, n2 = 0;
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gl->GetVideoSync(&n1);
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if (p->opts.waitvsync)
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gl->WaitVideoSync(2, (n1 + 1) % 2, &n2);
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int step = n1 - p->prev_sgi_sync_count;
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p->prev_sgi_sync_count = n1;
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MP_DBG(vo, "Flip counts: %u->%u, step=%d\n", n1, n2, step);
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if (p->opts.pattern[0])
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check_pattern(vo, step);
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} else {
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MP_WARN(vo, "GLX_SGI_video_sync not available, disabling.\n");
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p->opts.waitvsync = 0;
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p->opts.pattern[0] = 0;
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}
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}
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while (p->opts.vsync_fences > 0 && p->num_vsync_fences >= p->opts.vsync_fences) {
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gl->ClientWaitSync(p->vsync_fences[0], GL_SYNC_FLUSH_COMMANDS_BIT, 1e9);
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gl->DeleteSync(p->vsync_fences[0]);
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MP_TARRAY_REMOVE_AT(p->vsync_fences, p->num_vsync_fences, 0);
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}
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}
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static int query_format(struct vo *vo, int format)
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{
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struct gl_priv *p = vo->priv;
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if (!gl_video_check_format(p->renderer, format))
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return 0;
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return 1;
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}
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static int reconfig(struct vo *vo, struct mp_image_params *params)
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{
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struct gl_priv *p = vo->priv;
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if (mpgl_reconfig_window(p->glctx) < 0)
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return -1;
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resize(p);
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gl_video_config(p->renderer, params);
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return 0;
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}
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static void request_hwdec_api(struct vo *vo, void *api)
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{
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struct gl_priv *p = vo->priv;
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if (p->hwdec)
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return;
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p->hwdec = gl_hwdec_load_api(p->vo->log, p->gl, p->vo->global,
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vo->hwdec_devs, (intptr_t)api);
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gl_video_set_hwdec(p->renderer, p->hwdec);
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}
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static void call_request_hwdec_api(void *ctx, enum hwdec_type type)
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{
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// Roundabout way to run hwdec loading on the VO thread.
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// Redirects to request_hwdec_api().
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vo_control(ctx, VOCTRL_LOAD_HWDEC_API, (void *)(intptr_t)type);
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}
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static void get_and_update_icc_profile(struct gl_priv *p)
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{
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if (gl_video_icc_auto_enabled(p->renderer)) {
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MP_VERBOSE(p, "Querying ICC profile...\n");
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bstr icc = bstr0(NULL);
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int r = mpgl_control(p->glctx, &p->events, VOCTRL_GET_ICC_PROFILE, &icc);
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if (r != VO_NOTAVAIL) {
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if (r == VO_FALSE) {
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MP_WARN(p, "Could not retrieve an ICC profile.\n");
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} else if (r == VO_NOTIMPL) {
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MP_ERR(p, "icc-profile-auto not implemented on this platform.\n");
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}
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gl_video_set_icc_profile(p->renderer, icc);
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}
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}
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}
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static void get_and_update_ambient_lighting(struct gl_priv *p)
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{
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int lux;
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int r = mpgl_control(p->glctx, &p->events, VOCTRL_GET_AMBIENT_LUX, &lux);
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if (r == VO_TRUE) {
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gl_video_set_ambient_lux(p->renderer, lux);
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}
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if (r != VO_TRUE && gl_video_gamma_auto_enabled(p->renderer)) {
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MP_ERR(p, "gamma_auto option provided, but querying for ambient"
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" lighting is not supported on this platform\n");
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}
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}
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static int control(struct vo *vo, uint32_t request, void *data)
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{
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struct gl_priv *p = vo->priv;
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switch (request) {
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case VOCTRL_SET_PANSCAN:
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resize(p);
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return VO_TRUE;
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case VOCTRL_GET_EQUALIZER: {
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struct voctrl_get_equalizer_args *args = data;
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struct mp_csp_equalizer *eq = gl_video_eq_ptr(p->renderer);
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bool r = mp_csp_equalizer_get(eq, args->name, args->valueptr) >= 0;
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return r ? VO_TRUE : VO_NOTIMPL;
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}
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case VOCTRL_SET_EQUALIZER: {
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struct voctrl_set_equalizer_args *args = data;
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struct mp_csp_equalizer *eq = gl_video_eq_ptr(p->renderer);
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if (mp_csp_equalizer_set(eq, args->name, args->value) >= 0) {
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gl_video_eq_update(p->renderer);
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vo->want_redraw = true;
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return VO_TRUE;
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}
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return VO_NOTIMPL;
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}
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case VOCTRL_SCREENSHOT_WIN: {
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struct mp_image *screen = gl_read_fbo_contents(p->gl, p->glctx->main_fb,
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vo->dwidth, vo->dheight);
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if (!screen)
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break; // redirect to backend
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// set image parameters according to the display, if possible
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screen->params.color = gl_video_get_output_colorspace(p->renderer);
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if (p->glctx->flip_v)
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mp_image_vflip(screen);
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*(struct mp_image **)data = screen;
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return true;
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}
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case VOCTRL_LOAD_HWDEC_API:
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request_hwdec_api(vo, data);
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return true;
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case VOCTRL_UPDATE_RENDER_OPTS: {
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gl_video_update_options(p->renderer);
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get_and_update_icc_profile(p);
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gl_video_configure_queue(p->renderer, p->vo);
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p->vo->want_redraw = true;
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return true;
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}
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case VOCTRL_RESET:
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gl_video_reset(p->renderer);
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return true;
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case VOCTRL_PAUSE:
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if (gl_video_showing_interpolated_frame(p->renderer))
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vo->want_redraw = true;
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return true;
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case VOCTRL_PERFORMANCE_DATA:
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gl_video_perfdata(p->renderer, (struct voctrl_performance_data *)data);
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return true;
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}
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int events = 0;
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int r = mpgl_control(p->glctx, &events, request, data);
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if (events & VO_EVENT_ICC_PROFILE_CHANGED) {
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get_and_update_icc_profile(p);
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vo->want_redraw = true;
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}
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if (events & VO_EVENT_AMBIENT_LIGHTING_CHANGED) {
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get_and_update_ambient_lighting(p);
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vo->want_redraw = true;
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}
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events |= p->events;
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p->events = 0;
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if (events & VO_EVENT_RESIZE)
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resize(p);
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if (events & VO_EVENT_EXPOSE)
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vo->want_redraw = true;
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vo_event(vo, events);
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return r;
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}
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static void wakeup(struct vo *vo)
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{
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struct gl_priv *p = vo->priv;
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if (p->glctx && p->glctx->driver->wakeup)
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p->glctx->driver->wakeup(p->glctx);
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}
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static void wait_events(struct vo *vo, int64_t until_time_us)
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{
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struct gl_priv *p = vo->priv;
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if (p->glctx->driver->wait_events) {
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p->glctx->driver->wait_events(p->glctx, until_time_us);
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} else {
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vo_wait_default(vo, until_time_us);
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}
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}
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static void vo_opengl_free_dr(void *opaque, uint8_t *data)
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{
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struct gl_priv *p = opaque;
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gl_video_dr_free_buffer(p->renderer, data);
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}
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static struct mp_image *get_image(struct vo *vo, int imgfmt, int w, int h,
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int stride_align)
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{
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struct gl_priv *p = vo->priv;
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int size = mp_image_get_alloc_size(imgfmt, w, h, stride_align);
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if (size < 0)
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return NULL;
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int alloc_size = size + stride_align;
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void *ptr = gl_video_dr_alloc_buffer(p->renderer, alloc_size);
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if (!ptr)
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return NULL;
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struct mp_image *res = mp_image_from_buffer(imgfmt, w, h, stride_align,
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ptr, alloc_size, p,
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vo_opengl_free_dr);
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if (!res)
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gl_video_dr_free_buffer(p->renderer, ptr);
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return res;
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}
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static void uninit(struct vo *vo)
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{
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struct gl_priv *p = vo->priv;
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gl_video_uninit(p->renderer);
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gl_hwdec_uninit(p->hwdec);
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if (vo->hwdec_devs) {
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hwdec_devices_set_loader(vo->hwdec_devs, NULL, NULL);
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hwdec_devices_destroy(vo->hwdec_devs);
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}
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ra_free(&p->ra);
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mpgl_uninit(p->glctx);
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}
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static int preinit(struct vo *vo)
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{
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struct gl_priv *p = vo->priv;
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p->vo = vo;
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p->log = vo->log;
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int vo_flags = 0;
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int alpha_mode;
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mp_read_option_raw(vo->global, "alpha", &m_option_type_choice, &alpha_mode);
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if (alpha_mode == 1)
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vo_flags |= VOFLAG_ALPHA;
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if (p->opts.use_gl_debug)
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vo_flags |= VOFLAG_GL_DEBUG;
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if (p->opts.es == 1)
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vo_flags |= VOFLAG_GLES;
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if (p->opts.es == 2)
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vo_flags |= VOFLAG_GLES | VOFLAG_GLES2;
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if (p->opts.es == -1)
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vo_flags |= VOFLAG_NO_GLES;
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if (p->opts.allow_sw)
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vo_flags |= VOFLAG_SW;
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p->glctx = mpgl_init(vo, p->opts.backend, vo_flags);
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if (!p->glctx)
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goto err_out;
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p->gl = p->glctx->gl;
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if (p->gl->SwapInterval) {
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p->gl->SwapInterval(p->opts.swap_interval);
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} else {
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MP_VERBOSE(vo, "swap_control extension missing.\n");
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}
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p->ra = ra_create_gl(p->gl, vo->log);
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if (!p->ra)
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goto err_out;
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p->renderer = gl_video_init(p->ra, vo->log, vo->global);
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gl_video_set_osd_source(p->renderer, vo->osd);
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gl_video_configure_queue(p->renderer, vo);
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get_and_update_icc_profile(p);
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vo->hwdec_devs = hwdec_devices_create();
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hwdec_devices_set_loader(vo->hwdec_devs, call_request_hwdec_api, vo);
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p->hwdec = gl_hwdec_load(p->vo->log, p->gl, vo->global,
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vo->hwdec_devs, vo->opts->gl_hwdec_interop);
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gl_video_set_hwdec(p->renderer, p->hwdec);
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gl_check_error(p->gl, p->log, "before retrieving framebuffer depth");
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int fb_depth = gl_get_fb_depth(p->gl, p->glctx->main_fb);
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gl_check_error(p->gl, p->log, "retrieving framebuffer depth");
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if (fb_depth)
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MP_VERBOSE(p, "Reported display depth: %d\n", fb_depth);
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gl_video_set_fb_depth(p->renderer, fb_depth);
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return 0;
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err_out:
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uninit(vo);
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return -1;
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}
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#define OPT_BASE_STRUCT struct gl_priv
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const struct vo_driver video_out_opengl = {
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.description = "Extended OpenGL Renderer",
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.name = "opengl",
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.caps = VO_CAP_ROTATE90,
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.preinit = preinit,
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.query_format = query_format,
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.reconfig = reconfig,
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.control = control,
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.get_image = get_image,
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.draw_frame = draw_frame,
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.flip_page = flip_page,
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.wait_events = wait_events,
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.wakeup = wakeup,
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.uninit = uninit,
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.priv_size = sizeof(struct gl_priv),
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.options = (const m_option_t[]) {
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OPT_FLAG("opengl-glfinish", opts.use_glFinish, 0),
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OPT_FLAG("opengl-waitvsync", opts.waitvsync, 0),
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OPT_INT("opengl-swapinterval", opts.swap_interval, 0),
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OPT_FLAG("opengl-debug", opts.use_gl_debug, 0),
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OPT_STRING_VALIDATE("opengl-backend", opts.backend, 0,
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mpgl_validate_backend_opt),
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OPT_FLAG("opengl-sw", opts.allow_sw, 0),
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OPT_CHOICE("opengl-es", opts.es, 0, ({"no", -1}, {"auto", 0},
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{"yes", 1}, {"force2", 2})),
|
|
OPT_INTPAIR("opengl-check-pattern", opts.pattern, 0),
|
|
OPT_INTRANGE("opengl-vsync-fences", opts.vsync_fences, 0,
|
|
0, NUM_VSYNC_FENCES),
|
|
|
|
{0}
|
|
},
|
|
.priv_defaults = &(const struct gl_priv){
|
|
.opts = {
|
|
.swap_interval = 1,
|
|
},
|
|
},
|
|
};
|