mirror of
https://github.com/mpv-player/mpv
synced 2024-12-24 15:52:25 +00:00
ca343d82a6
This was cleaned up yesterday.
502 lines
13 KiB
C
502 lines
13 KiB
C
/*
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* This file is part of MPlayer.
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*
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* Based on vo_gl.c by Reimar Doeffinger.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* You can alternatively redistribute this file 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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#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 "talloc.h"
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#include "common/common.h"
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#include "bstr/bstr.h"
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#include "common/msg.h"
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#include "options/m_config.h"
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#include "vo.h"
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#include "video/vfcap.h"
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#include "video/mp_image.h"
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#include "sub/osd.h"
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#include "gl_common.h"
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#include "gl_osd.h"
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#include "filter_kernels.h"
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#include "video/memcpy_pic.h"
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#include "video/hwdec.h"
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#include "gl_video.h"
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#include "gl_lcms.h"
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struct gl_priv {
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struct vo *vo;
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MPGLContext *glctx;
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GL *gl;
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struct gl_video *renderer;
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struct gl_hwdec *hwdec;
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// Options
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struct gl_video_opts *renderer_opts;
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struct mp_icc_opts *icc_opts;
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int use_glFinish;
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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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char *backend;
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int vo_flipped;
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int frames_rendered;
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};
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// Always called under mpgl_lock
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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 wnd = {0, 0, 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, &wnd, &src, &dst, &osd);
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vo->want_redraw = true;
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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_lock(p->glctx);
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if (p->use_glFinish)
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gl->Finish();
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p->glctx->swapGlBuffers(p->glctx);
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p->frames_rendered++;
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if (p->frames_rendered > 5)
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gl_video_set_debug(p->renderer, false);
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mpgl_unlock(p->glctx);
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}
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static void draw_osd(struct vo *vo, struct osd_state *osd)
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{
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struct gl_priv *p = vo->priv;
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mpgl_lock(p->glctx);
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gl_video_draw_osd(p->renderer, osd);
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mpgl_unlock(p->glctx);
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}
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static void draw_image(struct vo *vo, mp_image_t *mpi)
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{
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struct gl_priv *p = vo->priv;
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if (p->vo_flipped)
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mp_image_vflip(mpi);
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mpgl_lock(p->glctx);
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gl_video_upload_image(p->renderer, mpi);
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gl_video_render_frame(p->renderer);
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mpgl_unlock(p->glctx);
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}
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static int query_format(struct vo *vo, uint32_t format)
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{
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struct gl_priv *p = vo->priv;
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int caps = VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW;
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if (!gl_video_check_format(p->renderer, format))
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return 0;
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return caps;
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}
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static bool config_window(struct gl_priv *p, int flags)
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{
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if (p->renderer_opts->stereo_mode == GL_3D_QUADBUFFER)
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flags |= VOFLAG_STEREO;
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if (p->renderer_opts->alpha_mode == 1)
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flags |= VOFLAG_ALPHA;
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if (p->use_gl_debug)
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flags |= VOFLAG_GL_DEBUG;
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int mpgl_caps = MPGL_CAP_GL21 | MPGL_CAP_TEX_RG;
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if (!p->allow_sw)
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mpgl_caps |= MPGL_CAP_NO_SW;
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return mpgl_config_window(p->glctx, mpgl_caps, flags);
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}
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static void video_resize_redraw_callback(struct vo *vo, int w, int h)
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{
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struct gl_priv *p = vo->priv;
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gl_video_resize_redraw(p->renderer, w, h);
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}
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static int reconfig(struct vo *vo, struct mp_image_params *params, int flags)
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{
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struct gl_priv *p = vo->priv;
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mpgl_lock(p->glctx);
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if (!config_window(p, flags)) {
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mpgl_unlock(p->glctx);
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return -1;
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}
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if (p->glctx->register_resize_callback) {
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p->glctx->register_resize_callback(vo, video_resize_redraw_callback);
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}
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gl_video_config(p->renderer, params);
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p->vo_flipped = !!(flags & VOFLAG_FLIPPING);
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resize(p);
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mpgl_unlock(p->glctx);
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return 0;
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}
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static void load_hwdec_driver(struct gl_priv *p,
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const struct gl_hwdec_driver *drv)
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{
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assert(!p->hwdec);
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struct gl_hwdec *hwdec = talloc(NULL, struct gl_hwdec);
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*hwdec = (struct gl_hwdec) {
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.driver = drv,
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.log = mp_log_new(hwdec, p->vo->log, drv->api_name),
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.mpgl = p->glctx,
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.info = talloc_zero(hwdec, struct mp_hwdec_info),
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.gl_texture_target = GL_TEXTURE_2D,
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};
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mpgl_lock(p->glctx);
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if (hwdec->driver->create(hwdec) < 0) {
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mpgl_unlock(p->glctx);
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talloc_free(hwdec);
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MP_ERR(p->vo, "Couldn't load hwdec driver '%s'\n", drv->api_name);
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return;
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}
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p->hwdec = hwdec;
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gl_video_set_hwdec(p->renderer, p->hwdec);
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mpgl_unlock(p->glctx);
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}
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static void request_hwdec_api(struct mp_hwdec_info *info, const char *api_name)
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{
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struct gl_priv *p = info->load_api_ctx;
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// Load at most one hwdec API
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if (p->hwdec)
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return;
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for (int n = 0; mpgl_hwdec_drivers[n]; n++) {
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const struct gl_hwdec_driver *drv = mpgl_hwdec_drivers[n];
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if (api_name && strcmp(drv->api_name, api_name) == 0) {
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load_hwdec_driver(p, drv);
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if (p->hwdec) {
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*info = *p->hwdec->info;
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return;
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}
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}
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}
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}
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static void get_hwdec_info(struct gl_priv *p, struct mp_hwdec_info *info)
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{
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if (p->hwdec) {
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*info = *p->hwdec->info;
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} else {
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*info = (struct mp_hwdec_info) {
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.load_api = request_hwdec_api,
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.load_api_ctx = p,
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};
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}
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}
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static void unload_hwdec_driver(struct gl_priv *p)
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{
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if (p->hwdec) {
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mpgl_lock(p->glctx);
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gl_video_set_hwdec(p->renderer, NULL);
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p->hwdec->driver->destroy(p->hwdec);
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talloc_free(p->hwdec);
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p->hwdec = NULL;
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mpgl_unlock(p->glctx);
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}
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}
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static bool update_icc_profile(struct gl_priv *p, struct mp_icc_opts *opts)
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{
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struct lut3d *lut3d = NULL;
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if (opts->profile) {
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lut3d = mp_load_icc(opts, p->vo->log, p->vo->global);
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if (!lut3d)
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return false;
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}
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gl_video_set_lut3d(p->renderer, lut3d);
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talloc_free(lut3d);
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return true;
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}
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static bool get_and_update_icc_profile(struct vo *vo,
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struct mp_icc_opts *opts)
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{
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struct gl_priv *p = vo->priv;
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if (!opts->profile_auto)
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return update_icc_profile(p, opts);
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char *icc = NULL;
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int r = p->glctx->vo_control(vo, NULL, VOCTRL_GET_ICC_PROFILE_PATH, &icc);
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if (r != VO_TRUE)
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return false;
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if (mp_icc_set_profile(opts, icc))
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return update_icc_profile(p, opts);
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return true;
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}
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static bool reparse_cmdline(struct gl_priv *p, char *args)
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{
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struct m_config *cfg = NULL;
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struct gl_priv *opts = NULL;
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int r = 0;
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// list of options which can be changed at runtime
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#define OPT_BASE_STRUCT struct gl_priv
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static const struct m_option change_otps[] = {
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OPT_SUBSTRUCT("", renderer_opts, gl_video_conf, 0),
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OPT_SUBSTRUCT("", icc_opts, mp_icc_conf, 0),
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{0}
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};
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#undef OPT_BASE_STRUCT
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if (strcmp(args, "-") == 0) {
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opts = p;
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} else {
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const struct gl_priv *vodef = p->vo->driver->priv_defaults;
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cfg = m_config_new(NULL, p->vo->log, sizeof(*opts), vodef, change_otps);
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opts = cfg->optstruct;
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r = m_config_parse_suboptions(cfg, "opengl", args);
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}
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if (r >= 0) {
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mpgl_lock(p->glctx);
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gl_video_set_options(p->renderer, opts->renderer_opts);
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update_icc_profile(p, opts->icc_opts);
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resize(p);
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mpgl_unlock(p->glctx);
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}
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talloc_free(cfg);
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return r >= 0;
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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_GET_PANSCAN:
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return VO_TRUE;
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case VOCTRL_SET_PANSCAN:
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mpgl_lock(p->glctx);
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resize(p);
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mpgl_unlock(p->glctx);
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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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mpgl_lock(p->glctx);
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bool r = gl_video_get_equalizer(p->renderer, args->name,
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args->valueptr);
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mpgl_unlock(p->glctx);
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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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mpgl_lock(p->glctx);
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bool r = gl_video_set_equalizer(p->renderer, args->name, args->value);
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mpgl_unlock(p->glctx);
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if (r)
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vo->want_redraw = true;
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return r ? VO_TRUE : VO_NOTIMPL;
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}
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case VOCTRL_GET_COLORSPACE:
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mpgl_lock(p->glctx);
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gl_video_get_colorspace(p->renderer, data);
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mpgl_unlock(p->glctx);
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return VO_TRUE;
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case VOCTRL_SCREENSHOT: {
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struct voctrl_screenshot_args *args = data;
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mpgl_lock(p->glctx);
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if (args->full_window)
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args->out_image = glGetWindowScreenshot(p->gl);
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else
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args->out_image = gl_video_download_image(p->renderer);
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mpgl_unlock(p->glctx);
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return true;
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}
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case VOCTRL_GET_HWDEC_INFO: {
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get_hwdec_info(p, data);
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return true;
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}
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case VOCTRL_REDRAW_FRAME:
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mpgl_lock(p->glctx);
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gl_video_render_frame(p->renderer);
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mpgl_unlock(p->glctx);
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return true;
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case VOCTRL_SET_COMMAND_LINE: {
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char *arg = data;
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return reparse_cmdline(p, arg);
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}
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}
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mpgl_lock(p->glctx);
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int events = 0;
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int r = p->glctx->vo_control(vo, &events, request, data);
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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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if (events & VO_EVENT_ICC_PROFILE_PATH_CHANGED) {
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get_and_update_icc_profile(vo, p->icc_opts);
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vo->want_redraw = true;
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}
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mpgl_unlock(p->glctx);
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return r;
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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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if (p->glctx) {
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unload_hwdec_driver(p);
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if (p->renderer)
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gl_video_uninit(p->renderer);
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mpgl_uninit(p->glctx);
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}
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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->glctx = mpgl_init(vo, p->backend);
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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 (!config_window(p, VOFLAG_HIDDEN))
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goto err_out;
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mpgl_set_context(p->glctx);
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if (p->gl->SwapInterval)
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p->gl->SwapInterval(p->swap_interval);
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p->renderer = gl_video_init(p->gl, vo->log);
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gl_video_set_output_depth(p->renderer, p->glctx->depth_r, p->glctx->depth_g,
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p->glctx->depth_b);
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gl_video_set_options(p->renderer, p->renderer_opts);
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if (!get_and_update_icc_profile(vo, p->icc_opts))
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goto err_out;
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mpgl_unset_context(p->glctx);
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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 m_option options[] = {
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OPT_FLAG("glfinish", use_glFinish, 0),
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OPT_INT("swapinterval", swap_interval, 0, OPTDEF_INT(1)),
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OPT_FLAG("debug", use_gl_debug, 0),
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OPT_STRING_VALIDATE("backend", backend, 0, mpgl_validate_backend_opt),
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OPT_FLAG("sw", allow_sw, 0),
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OPT_SUBSTRUCT("", renderer_opts, gl_video_conf, 0),
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OPT_SUBSTRUCT("", icc_opts, mp_icc_conf, 0),
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{0},
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};
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#define CAPS VO_CAP_ROTATE90
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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 = CAPS,
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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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.draw_image = draw_image,
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.draw_osd = draw_osd,
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.flip_page = flip_page,
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.uninit = uninit,
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.priv_size = sizeof(struct gl_priv),
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.options = options,
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};
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const struct vo_driver video_out_opengl_hq = {
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.description = "Extended OpenGL Renderer (high quality rendering preset)",
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.name = "opengl-hq",
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.caps = CAPS,
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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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.draw_image = draw_image,
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.draw_osd = draw_osd,
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.flip_page = flip_page,
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.uninit = uninit,
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.priv_size = sizeof(struct gl_priv),
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.priv_defaults = &(const struct gl_priv){
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.renderer_opts = (struct gl_video_opts *)&gl_video_opts_hq_def,
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},
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.options = options,
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};
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