mpv/video/out/vo_opengl.c

462 lines
12 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 "bstr/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_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;
// Options
struct gl_video_opts *renderer_opts;
struct mp_icc_opts *icc_opts;
int use_glFinish;
int use_gl_debug;
int allow_sw;
int swap_interval;
char *backend;
int vo_flipped;
int frames_rendered;
};
// 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 flip_page(struct vo *vo)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
mpgl_lock(p->glctx);
if (p->use_glFinish)
gl->Finish();
p->glctx->swapGlBuffers(p->glctx);
p->frames_rendered++;
if (p->frames_rendered > 5)
gl_video_set_debug(p->renderer, false);
mpgl_unlock(p->glctx);
}
static void draw_osd(struct vo *vo, struct osd_state *osd)
{
struct gl_priv *p = vo->priv;
mpgl_lock(p->glctx);
gl_video_draw_osd(p->renderer, osd);
mpgl_unlock(p->glctx);
}
static void draw_image(struct vo *vo, mp_image_t *mpi)
{
struct gl_priv *p = vo->priv;
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);
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 bool config_window(struct gl_priv *p, uint32_t d_width,
uint32_t d_height, uint32_t flags)
{
if (p->renderer_opts->stereo_mode == GL_3D_QUADBUFFER)
flags |= VOFLAG_STEREO;
if (p->renderer_opts->alpha_mode == 1)
flags |= VOFLAG_ALPHA;
if (p->use_gl_debug)
flags |= VOFLAG_GL_DEBUG;
int mpgl_caps = MPGL_CAP_GL21 | MPGL_CAP_TEX_RG;
if (!p->allow_sw)
mpgl_caps |= MPGL_CAP_NO_SW;
return mpgl_config_window(p->glctx, mpgl_caps, d_width, d_height, flags);
}
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 (!config_window(p, vo->dwidth, vo->dheight, flags)) {
mpgl_unlock(p->glctx);
return -1;
}
if (p->glctx->register_resize_callback) {
p->glctx->register_resize_callback(vo, video_resize_redraw_callback);
}
gl_video_config(p->renderer, params);
p->vo_flipped = !!(flags & VOFLAG_FLIPPING);
resize(p);
mpgl_unlock(p->glctx);
return 0;
}
static void load_hwdec_driver(struct gl_priv *p,
const struct gl_hwdec_driver *drv)
{
assert(!p->hwdec);
struct gl_hwdec *hwdec = talloc(NULL, struct gl_hwdec);
*hwdec = (struct gl_hwdec) {
.driver = drv,
.log = mp_log_new(hwdec, p->vo->log, drv->api_name),
.mpgl = p->glctx,
.info = talloc_zero(hwdec, struct mp_hwdec_info),
.gl_texture_target = GL_TEXTURE_2D,
};
mpgl_lock(p->glctx);
if (hwdec->driver->create(hwdec) < 0) {
mpgl_unlock(p->glctx);
talloc_free(hwdec);
MP_ERR(p->vo, "Couldn't load hwdec driver '%s'\n", drv->api_name);
return;
}
p->hwdec = hwdec;
gl_video_set_hwdec(p->renderer, p->hwdec);
mpgl_unlock(p->glctx);
}
static void request_hwdec_api(struct mp_hwdec_info *info, const char *api_name)
{
struct gl_priv *p = info->load_api_ctx;
// Load at most one hwdec API
if (p->hwdec)
return;
for (int n = 0; mpgl_hwdec_drivers[n]; n++) {
const struct gl_hwdec_driver *drv = mpgl_hwdec_drivers[n];
if (api_name && strcmp(drv->api_name, api_name) == 0) {
load_hwdec_driver(p, drv);
if (p->hwdec) {
*info = *p->hwdec->info;
return;
}
}
}
}
static void get_hwdec_info(struct gl_priv *p, struct mp_hwdec_info *info)
{
if (p->hwdec) {
*info = *p->hwdec->info;
} else {
*info = (struct mp_hwdec_info) {
.load_api = request_hwdec_api,
.load_api_ctx = p,
};
}
}
static void unload_hwdec_driver(struct gl_priv *p)
{
if (p->hwdec) {
mpgl_lock(p->glctx);
gl_video_set_hwdec(p->renderer, NULL);
p->hwdec->driver->destroy(p->hwdec);
talloc_free(p->hwdec);
p->hwdec = NULL;
mpgl_unlock(p->glctx);
}
}
static bool reparse_cmdline(struct gl_priv *p, char *args)
{
struct m_config *cfg = NULL;
struct gl_video_opts *opts = NULL;
int r = 0;
if (strcmp(args, "-") == 0) {
opts = p->renderer_opts;
} else {
const struct gl_priv *vodef = p->vo->driver->priv_defaults;
const struct gl_video_opts *def =
vodef ? vodef->renderer_opts : gl_video_conf.defaults;
cfg = m_config_new(NULL, p->vo->log, sizeof(*opts), def,
gl_video_conf.opts);
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);
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_YUV_COLORSPACE:
mpgl_lock(p->glctx);
gl_video_get_csp_override(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: {
get_hwdec_info(p, data);
return true;
}
case VOCTRL_REDRAW_FRAME:
mpgl_lock(p->glctx);
gl_video_render_frame(p->renderer);
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;
mpgl_unlock(p->glctx);
return r;
}
static void uninit(struct vo *vo)
{
struct gl_priv *p = vo->priv;
if (p->glctx) {
unload_hwdec_driver(p);
if (p->renderer)
gl_video_uninit(p->renderer);
mpgl_uninit(p->glctx);
}
}
static int preinit(struct vo *vo)
{
struct gl_priv *p = vo->priv;
p->vo = vo;
p->glctx = mpgl_init(vo, p->backend);
if (!p->glctx)
goto err_out;
p->gl = p->glctx->gl;
if (!config_window(p, 320, 200, VOFLAG_HIDDEN))
goto err_out;
mpgl_set_context(p->glctx);
if (p->gl->SwapInterval)
p->gl->SwapInterval(p->swap_interval);
p->renderer = gl_video_init(p->gl, vo->log);
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 (p->icc_opts->profile) {
struct lut3d *lut3d = mp_load_icc(p->icc_opts, vo->log, vo->global);
if (!lut3d)
goto err_out;
gl_video_set_lut3d(p->renderer, lut3d);
talloc_free(lut3d);
}
mpgl_unset_context(p->glctx);
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_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_SUBSTRUCT("", renderer_opts, gl_video_conf, 0),
OPT_SUBSTRUCT("", icc_opts, mp_icc_conf, 0),
{0},
};
const struct vo_driver video_out_opengl = {
.description = "Extended OpenGL Renderer",
.name = "opengl",
.preinit = preinit,
.query_format = query_format,
.reconfig = reconfig,
.control = control,
.draw_image = draw_image,
.draw_osd = draw_osd,
.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",
.preinit = preinit,
.query_format = query_format,
.reconfig = reconfig,
.control = control,
.draw_image = draw_image,
.draw_osd = draw_osd,
.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,
};