mpv/video/out/vo_gpu.c

339 lines
8.9 KiB
C

/*
* Based on vo_gl.c by Reimar Doeffinger.
*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it 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.
*
* mpv 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#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 "mpv_talloc.h"
#include "common/common.h"
#include "misc/bstr.h"
#include "common/msg.h"
#include "common/global.h"
#include "options/m_config.h"
#include "vo.h"
#include "video/mp_image.h"
#include "sub/osd.h"
#include "gpu/context.h"
#include "gpu/hwdec.h"
#include "gpu/video.h"
struct gpu_priv {
struct mp_log *log;
struct ra_ctx *ctx;
char *context_name;
char *context_type;
struct ra_ctx_opts opts;
struct gl_video *renderer;
int events;
};
static void resize(struct vo *vo)
{
struct gpu_priv *p = vo->priv;
struct ra_swapchain *sw = p->ctx->swapchain;
MP_VERBOSE(vo, "Resize: %dx%d\n", 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, &src, &dst, &osd);
int fb_depth = sw->fns->color_depth ? sw->fns->color_depth(sw) : 0;
if (fb_depth)
MP_VERBOSE(p, "Reported display depth: %d\n", fb_depth);
gl_video_set_fb_depth(p->renderer, fb_depth);
vo->want_redraw = true;
}
static void draw_frame(struct vo *vo, struct vo_frame *frame)
{
struct gpu_priv *p = vo->priv;
struct ra_swapchain *sw = p->ctx->swapchain;
struct ra_fbo fbo;
if (!sw->fns->start_frame(sw, &fbo))
return;
gl_video_render_frame(p->renderer, frame, fbo, RENDER_FRAME_DEF);
if (!sw->fns->submit_frame(sw, frame)) {
MP_ERR(vo, "Failed presenting frame!\n");
return;
}
}
static void flip_page(struct vo *vo)
{
struct gpu_priv *p = vo->priv;
struct ra_swapchain *sw = p->ctx->swapchain;
sw->fns->swap_buffers(sw);
}
static void get_vsync(struct vo *vo, struct vo_vsync_info *info)
{
struct gpu_priv *p = vo->priv;
struct ra_swapchain *sw = p->ctx->swapchain;
if (sw->fns->get_vsync)
sw->fns->get_vsync(sw, info);
}
static int query_format(struct vo *vo, int format)
{
struct gpu_priv *p = vo->priv;
if (!gl_video_check_format(p->renderer, format))
return 0;
return 1;
}
static int reconfig(struct vo *vo, struct mp_image_params *params)
{
struct gpu_priv *p = vo->priv;
if (!p->ctx->fns->reconfig(p->ctx))
return -1;
resize(vo);
gl_video_config(p->renderer, params);
return 0;
}
static void request_hwdec_api(struct vo *vo)
{
struct gpu_priv *p = vo->priv;
gl_video_load_hwdecs_all(p->renderer, vo->hwdec_devs);
}
static void call_request_hwdec_api(void *ctx)
{
// Roundabout way to run hwdec loading on the VO thread.
// Redirects to request_hwdec_api().
vo_control(ctx, VOCTRL_LOAD_HWDEC_API, NULL);
}
static void get_and_update_icc_profile(struct gpu_priv *p)
{
if (gl_video_icc_auto_enabled(p->renderer)) {
MP_VERBOSE(p, "Querying ICC profile...\n");
bstr icc = bstr0(NULL);
int r = p->ctx->fns->control(p->ctx, &p->events, VOCTRL_GET_ICC_PROFILE, &icc);
if (r != VO_NOTAVAIL) {
if (r == VO_FALSE) {
MP_WARN(p, "Could not retrieve an ICC profile.\n");
} else if (r == VO_NOTIMPL) {
MP_ERR(p, "icc-profile-auto not implemented on this platform.\n");
}
gl_video_set_icc_profile(p->renderer, icc);
}
}
}
static void get_and_update_ambient_lighting(struct gpu_priv *p)
{
int lux;
int r = p->ctx->fns->control(p->ctx, &p->events, VOCTRL_GET_AMBIENT_LUX, &lux);
if (r == VO_TRUE) {
gl_video_set_ambient_lux(p->renderer, lux);
}
if (r != VO_TRUE && gl_video_gamma_auto_enabled(p->renderer)) {
MP_ERR(p, "gamma_auto option provided, but querying for ambient"
" lighting is not supported on this platform\n");
}
}
static int control(struct vo *vo, uint32_t request, void *data)
{
struct gpu_priv *p = vo->priv;
switch (request) {
case VOCTRL_SET_PANSCAN:
resize(vo);
return VO_TRUE;
case VOCTRL_SET_EQUALIZER:
vo->want_redraw = true;
return VO_TRUE;
case VOCTRL_SCREENSHOT: {
struct vo_frame *frame = vo_get_current_vo_frame(vo);
if (frame)
gl_video_screenshot(p->renderer, frame, data);
talloc_free(frame);
return true;
}
case VOCTRL_LOAD_HWDEC_API:
request_hwdec_api(vo);
return true;
case VOCTRL_UPDATE_RENDER_OPTS: {
gl_video_configure_queue(p->renderer, vo);
get_and_update_icc_profile(p);
vo->want_redraw = true;
return true;
}
case VOCTRL_RESET:
gl_video_reset(p->renderer);
return true;
case VOCTRL_PAUSE:
if (gl_video_showing_interpolated_frame(p->renderer))
vo->want_redraw = true;
return true;
case VOCTRL_PERFORMANCE_DATA:
gl_video_perfdata(p->renderer, (struct voctrl_performance_data *)data);
return true;
case VOCTRL_EXTERNAL_RESIZE:
p->ctx->fns->reconfig(p->ctx);
resize(vo);
return true;
}
int events = 0;
int r = p->ctx->fns->control(p->ctx, &events, request, data);
if (events & VO_EVENT_ICC_PROFILE_CHANGED) {
get_and_update_icc_profile(p);
vo->want_redraw = true;
}
if (events & VO_EVENT_AMBIENT_LIGHTING_CHANGED) {
get_and_update_ambient_lighting(p);
vo->want_redraw = true;
}
events |= p->events;
p->events = 0;
if (events & VO_EVENT_RESIZE)
resize(vo);
if (events & VO_EVENT_EXPOSE)
vo->want_redraw = true;
vo_event(vo, events);
return r;
}
static void wakeup(struct vo *vo)
{
struct gpu_priv *p = vo->priv;
if (p->ctx && p->ctx->fns->wakeup)
p->ctx->fns->wakeup(p->ctx);
}
static void wait_events(struct vo *vo, int64_t until_time_us)
{
struct gpu_priv *p = vo->priv;
if (p->ctx && p->ctx->fns->wait_events) {
p->ctx->fns->wait_events(p->ctx, until_time_us);
} else {
vo_wait_default(vo, until_time_us);
}
}
static struct mp_image *get_image(struct vo *vo, int imgfmt, int w, int h,
int stride_align)
{
struct gpu_priv *p = vo->priv;
return gl_video_get_image(p->renderer, imgfmt, w, h, stride_align);
}
static void uninit(struct vo *vo)
{
struct gpu_priv *p = vo->priv;
gl_video_uninit(p->renderer);
if (vo->hwdec_devs) {
hwdec_devices_set_loader(vo->hwdec_devs, NULL, NULL);
hwdec_devices_destroy(vo->hwdec_devs);
}
ra_ctx_destroy(&p->ctx);
}
static int preinit(struct vo *vo)
{
struct gpu_priv *p = vo->priv;
p->log = vo->log;
int alpha_mode;
mp_read_option_raw(vo->global, "alpha", &m_option_type_choice, &alpha_mode);
struct ra_ctx_opts opts = p->opts;
opts.want_alpha = alpha_mode == 1;
p->ctx = ra_ctx_create(vo, p->context_type, p->context_name, opts);
if (!p->ctx)
goto err_out;
assert(p->ctx->ra);
assert(p->ctx->swapchain);
p->renderer = gl_video_init(p->ctx->ra, vo->log, vo->global);
gl_video_set_osd_source(p->renderer, vo->osd);
gl_video_configure_queue(p->renderer, vo);
get_and_update_icc_profile(p);
vo->hwdec_devs = hwdec_devices_create();
hwdec_devices_set_loader(vo->hwdec_devs, call_request_hwdec_api, vo);
gl_video_load_hwdecs(p->renderer, vo->hwdec_devs, false);
return 0;
err_out:
uninit(vo);
return -1;
}
#define OPT_BASE_STRUCT struct gpu_priv
static const m_option_t options[] = {
{"gpu-context", OPT_STRING_VALIDATE(context_name, ra_ctx_validate_context)},
{"gpu-api", OPT_STRING_VALIDATE(context_type, ra_ctx_validate_api)},
{"gpu-debug", OPT_FLAG(opts.debug)},
{"gpu-sw", OPT_FLAG(opts.allow_sw)},
{0}
};
const struct vo_driver video_out_gpu = {
.description = "Shader-based GPU Renderer",
.name = "gpu",
.caps = VO_CAP_ROTATE90,
.preinit = preinit,
.query_format = query_format,
.reconfig = reconfig,
.control = control,
.get_image = get_image,
.draw_frame = draw_frame,
.flip_page = flip_page,
.get_vsync = get_vsync,
.wait_events = wait_events,
.wakeup = wakeup,
.uninit = uninit,
.priv_size = sizeof(struct gpu_priv),
.options = options,
};