mpv/video/out/vo_opengl.c

498 lines
13 KiB
C

/*
* This file is part of MPlayer.
*
* Based on vo_gl.c by Reimar Doeffinger.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* You can alternatively redistribute this file and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <stdbool.h>
#include <assert.h>
#include <libavutil/common.h>
#include "config.h"
#include "talloc.h"
#include "common/common.h"
#include "misc/bstr.h"
#include "common/msg.h"
#include "options/m_config.h"
#include "vo.h"
#include "video/vfcap.h"
#include "video/mp_image.h"
#include "sub/osd.h"
#include "gl_common.h"
#include "gl_hwdec.h"
#include "gl_osd.h"
#include "filter_kernels.h"
#include "video/memcpy_pic.h"
#include "video/hwdec.h"
#include "gl_video.h"
#include "gl_lcms.h"
struct gl_priv {
struct vo *vo;
MPGLContext *glctx;
GL *gl;
struct gl_video *renderer;
struct gl_hwdec *hwdec;
struct mp_hwdec_info hwdec_info;
// Options
struct gl_video_opts *renderer_opts;
struct mp_icc_opts *icc_opts;
int use_glFinish;
int waitvsync;
int use_gl_debug;
int allow_sw;
int swap_interval;
char *backend;
int vo_flipped;
int frames_rendered;
unsigned int prev_sgi_sync_count;
// check-pattern sub-option; for testing/debugging
int opt_pattern[2];
int last_pattern;
int matches, mismatches;
};
// Always called under mpgl_lock
static void resize(struct gl_priv *p)
{
struct vo *vo = p->vo;
MP_VERBOSE(vo, "Resize: %dx%d\n", vo->dwidth, vo->dheight);
struct mp_rect wnd = {0, 0, vo->dwidth, vo->dheight};
struct mp_rect src, dst;
struct mp_osd_res osd;
vo_get_src_dst_rects(vo, &src, &dst, &osd);
gl_video_resize(p->renderer, &wnd, &src, &dst, &osd);
vo->want_redraw = true;
}
static void check_pattern(struct vo *vo, int item)
{
struct gl_priv *p = vo->priv;
int expected = p->opt_pattern[p->last_pattern];
if (item == expected) {
p->last_pattern++;
if (p->last_pattern >= 2)
p->last_pattern = 0;
p->matches++;
} else {
p->mismatches++;
MP_WARN(vo, "wrong pattern, exptected %d got %d (hit: %d, mis: %d)\n",
expected, item, p->matches, p->mismatches);
}
}
static void flip_page(struct vo *vo)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
mpgl_lock(p->glctx);
p->glctx->swapGlBuffers(p->glctx);
p->frames_rendered++;
if (p->frames_rendered > 5)
gl_video_set_debug(p->renderer, false);
if (p->use_glFinish)
gl->Finish();
if (p->waitvsync || p->opt_pattern[0]) {
if (gl->GetVideoSync) {
unsigned int n1 = 0, n2 = 0;
gl->GetVideoSync(&n1);
if (p->waitvsync)
gl->WaitVideoSync(2, (n1 + 1) % 2, &n2);
int step = n1 - p->prev_sgi_sync_count;
p->prev_sgi_sync_count = n1;
MP_DBG(vo, "Flip counts: %u->%u, step=%d\n", n1, n2, step);
if (p->opt_pattern[0])
check_pattern(vo, step);
} else {
MP_WARN(vo, "GLX_SGI_video_sync not available, disabling.\n");
p->waitvsync = 0;
p->opt_pattern[0] = 0;
}
}
mpgl_unlock(p->glctx);
}
static void draw_image(struct vo *vo, mp_image_t *mpi)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
if (p->vo_flipped)
mp_image_vflip(mpi);
mpgl_lock(p->glctx);
gl_video_upload_image(p->renderer, mpi);
gl_video_render_frame(p->renderer, 0);
// The playloop calls this last before waiting some time until it decides
// to call flip_page(). Tell OpenGL to start execution of the GPU commands
// while we sleep (this happens asynchronously).
gl->Flush();
if (p->use_glFinish)
gl->Finish();
mpgl_unlock(p->glctx);
}
static int query_format(struct vo *vo, uint32_t format)
{
struct gl_priv *p = vo->priv;
int caps = VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW;
if (!gl_video_check_format(p->renderer, format))
return 0;
return caps;
}
static void video_resize_redraw_callback(struct vo *vo, int w, int h)
{
struct gl_priv *p = vo->priv;
gl_video_resize_redraw(p->renderer, w, h);
}
static int reconfig(struct vo *vo, struct mp_image_params *params, int flags)
{
struct gl_priv *p = vo->priv;
mpgl_lock(p->glctx);
if (!mpgl_reconfig_window(p->glctx, flags)) {
mpgl_unlock(p->glctx);
return -1;
}
if (p->glctx->register_resize_callback) {
p->glctx->register_resize_callback(vo, video_resize_redraw_callback);
}
resize(p);
gl_video_config(p->renderer, params);
p->vo_flipped = !!(flags & VOFLAG_FLIPPING);
mpgl_unlock(p->glctx);
return 0;
}
static void request_hwdec_api(struct gl_priv *p, const char *api_name)
{
if (p->hwdec)
return;
mpgl_lock(p->glctx);
p->hwdec = gl_hwdec_load_api(p->vo->log, p->gl, api_name, &p->hwdec_info);
gl_video_set_hwdec(p->renderer, p->hwdec);
mpgl_unlock(p->glctx);
}
static void call_request_hwdec_api(struct mp_hwdec_info *info,
const char *api_name)
{
struct vo *vo = info->load_api_ctx;
assert(&((struct gl_priv *)vo->priv)->hwdec_info == info);
// Roundabout way to run hwdec loading on the VO thread.
// Redirects to request_hwdec_api().
vo_control(vo, VOCTRL_LOAD_HWDEC_API, (void *)api_name);
}
static bool update_icc_profile(struct gl_priv *p, struct mp_icc_opts *opts)
{
struct lut3d *lut3d = NULL;
if (opts->profile) {
lut3d = mp_load_icc(opts, p->vo->log, p->vo->global);
if (!lut3d)
return false;
}
gl_video_set_lut3d(p->renderer, lut3d);
talloc_free(lut3d);
return true;
}
static bool get_and_update_icc_profile(struct vo *vo,
struct mp_icc_opts *opts)
{
struct gl_priv *p = vo->priv;
if (!opts->profile_auto)
return update_icc_profile(p, opts);
char *icc = NULL;
int r = p->glctx->vo_control(vo, NULL, VOCTRL_GET_ICC_PROFILE_PATH, &icc);
if (r != VO_TRUE)
return false;
if (mp_icc_set_profile(opts, icc))
return update_icc_profile(p, opts);
return true;
}
static bool reparse_cmdline(struct gl_priv *p, char *args)
{
struct m_config *cfg = NULL;
struct gl_priv *opts = NULL;
int r = 0;
// list of options which can be changed at runtime
#define OPT_BASE_STRUCT struct gl_priv
static const struct m_option change_otps[] = {
OPT_SUBSTRUCT("", renderer_opts, gl_video_conf, 0),
OPT_SUBSTRUCT("", icc_opts, mp_icc_conf, 0),
{0}
};
#undef OPT_BASE_STRUCT
if (strcmp(args, "-") == 0) {
opts = p;
} else {
const struct gl_priv *vodef = p->vo->driver->priv_defaults;
cfg = m_config_new(NULL, p->vo->log, sizeof(*opts), vodef, change_otps);
opts = cfg->optstruct;
r = m_config_parse_suboptions(cfg, "opengl", args);
}
if (r >= 0) {
mpgl_lock(p->glctx);
gl_video_set_options(p->renderer, opts->renderer_opts);
update_icc_profile(p, opts->icc_opts);
resize(p);
mpgl_unlock(p->glctx);
}
talloc_free(cfg);
return r >= 0;
}
static int control(struct vo *vo, uint32_t request, void *data)
{
struct gl_priv *p = vo->priv;
switch (request) {
case VOCTRL_GET_PANSCAN:
return VO_TRUE;
case VOCTRL_SET_PANSCAN:
mpgl_lock(p->glctx);
resize(p);
mpgl_unlock(p->glctx);
return VO_TRUE;
case VOCTRL_GET_EQUALIZER: {
struct voctrl_get_equalizer_args *args = data;
mpgl_lock(p->glctx);
bool r = gl_video_get_equalizer(p->renderer, args->name,
args->valueptr);
mpgl_unlock(p->glctx);
return r ? VO_TRUE : VO_NOTIMPL;
}
case VOCTRL_SET_EQUALIZER: {
struct voctrl_set_equalizer_args *args = data;
mpgl_lock(p->glctx);
bool r = gl_video_set_equalizer(p->renderer, args->name, args->value);
mpgl_unlock(p->glctx);
if (r)
vo->want_redraw = true;
return r ? VO_TRUE : VO_NOTIMPL;
}
case VOCTRL_GET_COLORSPACE:
mpgl_lock(p->glctx);
gl_video_get_colorspace(p->renderer, data);
mpgl_unlock(p->glctx);
return VO_TRUE;
case VOCTRL_SCREENSHOT: {
struct voctrl_screenshot_args *args = data;
mpgl_lock(p->glctx);
if (args->full_window)
args->out_image = glGetWindowScreenshot(p->gl);
else
args->out_image = gl_video_download_image(p->renderer);
mpgl_unlock(p->glctx);
return true;
}
case VOCTRL_GET_HWDEC_INFO: {
struct mp_hwdec_info **arg = data;
*arg = &p->hwdec_info;
return true;
}
case VOCTRL_LOAD_HWDEC_API:
request_hwdec_api(p, data);
return true;
case VOCTRL_REDRAW_FRAME:
mpgl_lock(p->glctx);
gl_video_render_frame(p->renderer, 0);
mpgl_unlock(p->glctx);
return true;
case VOCTRL_SET_COMMAND_LINE: {
char *arg = data;
return reparse_cmdline(p, arg);
}
}
mpgl_lock(p->glctx);
int events = 0;
int r = p->glctx->vo_control(vo, &events, request, data);
if (events & VO_EVENT_RESIZE)
resize(p);
if (events & VO_EVENT_EXPOSE)
vo->want_redraw = true;
if (events & VO_EVENT_ICC_PROFILE_PATH_CHANGED) {
get_and_update_icc_profile(vo, p->icc_opts);
vo->want_redraw = true;
}
vo_event(vo, events);
mpgl_unlock(p->glctx);
return r;
}
static void uninit(struct vo *vo)
{
struct gl_priv *p = vo->priv;
gl_video_uninit(p->renderer);
gl_hwdec_uninit(p->hwdec);
mpgl_uninit(p->glctx);
}
static int preinit(struct vo *vo)
{
struct gl_priv *p = vo->priv;
p->vo = vo;
int vo_flags = 0;
if (p->renderer_opts->stereo_mode == GL_3D_QUADBUFFER)
vo_flags |= VOFLAG_STEREO;
if (p->renderer_opts->alpha_mode == 1)
vo_flags |= VOFLAG_ALPHA;
if (p->use_gl_debug)
vo_flags |= VOFLAG_GL_DEBUG;
int mpgl_caps = MPGL_CAP_GL21 | MPGL_CAP_TEX_RG;
if (!p->allow_sw)
mpgl_caps |= MPGL_CAP_NO_SW;
p->glctx = mpgl_init(vo, p->backend, mpgl_caps, vo_flags);
if (!p->glctx)
goto err_out;
p->gl = p->glctx->gl;
mpgl_set_context(p->glctx);
if (p->gl->SwapInterval)
p->gl->SwapInterval(p->swap_interval);
p->renderer = gl_video_init(p->gl, vo->log, vo->osd);
gl_video_set_output_depth(p->renderer, p->glctx->depth_r, p->glctx->depth_g,
p->glctx->depth_b);
gl_video_set_options(p->renderer, p->renderer_opts);
if (!get_and_update_icc_profile(vo, p->icc_opts))
goto err_out;
mpgl_unset_context(p->glctx);
p->hwdec_info.load_api = call_request_hwdec_api;
p->hwdec_info.load_api_ctx = vo;
return 0;
err_out:
uninit(vo);
return -1;
}
#define OPT_BASE_STRUCT struct gl_priv
const struct m_option options[] = {
OPT_FLAG("glfinish", use_glFinish, 0),
OPT_FLAG("waitvsync", waitvsync, 0),
OPT_INT("swapinterval", swap_interval, 0, OPTDEF_INT(1)),
OPT_FLAG("debug", use_gl_debug, 0),
OPT_STRING_VALIDATE("backend", backend, 0, mpgl_validate_backend_opt),
OPT_FLAG("sw", allow_sw, 0),
OPT_INTPAIR("check-pattern", opt_pattern, 0),
OPT_SUBSTRUCT("", renderer_opts, gl_video_conf, 0),
OPT_SUBSTRUCT("", icc_opts, mp_icc_conf, 0),
{0},
};
#define CAPS VO_CAP_ROTATE90
const struct vo_driver video_out_opengl = {
.description = "Extended OpenGL Renderer",
.name = "opengl",
.caps = CAPS,
.preinit = preinit,
.query_format = query_format,
.reconfig = reconfig,
.control = control,
.draw_image = draw_image,
.flip_page = flip_page,
.uninit = uninit,
.priv_size = sizeof(struct gl_priv),
.options = options,
};
const struct vo_driver video_out_opengl_hq = {
.description = "Extended OpenGL Renderer (high quality rendering preset)",
.name = "opengl-hq",
.caps = CAPS,
.preinit = preinit,
.query_format = query_format,
.reconfig = reconfig,
.control = control,
.draw_image = draw_image,
.flip_page = flip_page,
.uninit = uninit,
.priv_size = sizeof(struct gl_priv),
.priv_defaults = &(const struct gl_priv){
.renderer_opts = (struct gl_video_opts *)&gl_video_opts_hq_def,
},
.options = options,
};