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mpv/video/out/opengl/context_drm_egl.c

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/*
* 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 <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <string.h>
#include <poll.h>
#include <unistd.h>
#include <gbm.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <drm_fourcc.h>
#include "libmpv/render_gl.h"
#include "video/out/drm_atomic.h"
#include "video/out/drm_common.h"
#include "common/common.h"
#include "osdep/timer.h"
#include "egl_helpers.h"
#include "common.h"
#include "context.h"
#ifndef EGL_PLATFORM_GBM_MESA
#define EGL_PLATFORM_GBM_MESA 0x31D7
#endif
#ifndef EGL_PLATFORM_GBM_KHR
#define EGL_PLATFORM_GBM_KHR 0x31D7
#endif
struct gbm_frame {
struct gbm_bo *bo;
struct drm_vsync_tuple vsync;
};
struct gbm {
struct gbm_surface *surface;
struct gbm_device *device;
struct gbm_frame **bo_queue;
unsigned int num_bos;
};
struct egl {
EGLDisplay display;
EGLContext context;
EGLSurface surface;
};
struct priv {
GL gl;
struct egl egl;
struct gbm gbm;
GLsync *vsync_fences;
unsigned int num_vsync_fences;
uint32_t gbm_format;
uint64_t *gbm_modifiers;
unsigned int num_gbm_modifiers;
struct mpv_opengl_drm_params_v2 drm_params;
struct mpv_opengl_drm_draw_surface_size draw_surface_size;
};
// Not general. Limited to only the formats being used in this module
static const char *gbm_format_to_string(uint32_t format)
{
switch (format) {
case GBM_FORMAT_XRGB8888:
return "GBM_FORMAT_XRGB8888";
case GBM_FORMAT_ARGB8888:
return "GBM_FORMAT_ARGB8888";
case GBM_FORMAT_XBGR8888:
return "GBM_FORMAT_XBGR8888";
case GBM_FORMAT_ABGR8888:
return "GBM_FORMAT_ABGR8888";
case GBM_FORMAT_XRGB2101010:
return "GBM_FORMAT_XRGB2101010";
case GBM_FORMAT_ARGB2101010:
return "GBM_FORMAT_ARGB2101010";
case GBM_FORMAT_XBGR2101010:
return "GBM_FORMAT_XBGR2101010";
case GBM_FORMAT_ABGR2101010:
return "GBM_FORMAT_ABGR2101010";
default:
return "UNKNOWN";
}
}
// Allow falling back to an ARGB EGLConfig when we have an XRGB framebuffer.
// Also allow falling back to an XRGB EGLConfig for ARGB framebuffers, since
// this seems necessary to work with broken Mali drivers that don't report
// their EGLConfigs as supporting alpha properly.
static uint32_t fallback_format_for(uint32_t format)
{
switch (format) {
case GBM_FORMAT_XRGB8888:
return GBM_FORMAT_ARGB8888;
case GBM_FORMAT_ARGB8888:
return GBM_FORMAT_XRGB8888;
case GBM_FORMAT_XBGR8888:
return GBM_FORMAT_ABGR8888;
case GBM_FORMAT_ABGR8888:
return GBM_FORMAT_XBGR8888;
case GBM_FORMAT_XRGB2101010:
return GBM_FORMAT_ARGB2101010;
case GBM_FORMAT_ARGB2101010:
return GBM_FORMAT_XRGB2101010;
case GBM_FORMAT_XBGR2101010:
return GBM_FORMAT_ABGR2101010;
case GBM_FORMAT_ABGR2101010:
return GBM_FORMAT_XBGR2101010;
default:
return 0;
}
}
static int match_config_to_visual(void *user_data, EGLConfig *configs, int num_configs)
{
struct ra_ctx *ctx = (struct ra_ctx*)user_data;
struct priv *p = ctx->priv;
const EGLint visual_id[] = {
(EGLint)p->gbm_format,
(EGLint)fallback_format_for(p->gbm_format),
0
};
for (unsigned int i = 0; visual_id[i] != 0; ++i) {
MP_VERBOSE(ctx, "Attempting to find EGLConfig matching %s\n",
gbm_format_to_string(visual_id[i]));
for (unsigned int j = 0; j < num_configs; ++j) {
EGLint id;
if (!eglGetConfigAttrib(p->egl.display, configs[j], EGL_NATIVE_VISUAL_ID, &id))
continue;
if (visual_id[i] == id) {
MP_VERBOSE(ctx, "Found matching EGLConfig for %s\n",
gbm_format_to_string(visual_id[i]));
return j;
}
}
MP_VERBOSE(ctx, "No matching EGLConfig for %s\n", gbm_format_to_string(visual_id[i]));
}
MP_ERR(ctx, "Could not find EGLConfig matching the GBM visual (%s).\n",
gbm_format_to_string(p->gbm_format));
return -1;
}
static EGLDisplay egl_get_display(struct gbm_device *gbm_device)
{
EGLDisplay ret;
ret = mpegl_get_display(EGL_PLATFORM_GBM_MESA, "EGL_MESA_platform_gbm", gbm_device);
if (ret != EGL_NO_DISPLAY)
return ret;
ret = mpegl_get_display(EGL_PLATFORM_GBM_KHR, "EGL_KHR_platform_gbm", gbm_device);
if (ret != EGL_NO_DISPLAY)
return ret;
return eglGetDisplay(gbm_device);
}
static bool init_egl(struct ra_ctx *ctx)
{
struct priv *p = ctx->priv;
MP_VERBOSE(ctx, "Initializing EGL\n");
p->egl.display = egl_get_display(p->gbm.device);
if (p->egl.display == EGL_NO_DISPLAY) {
MP_ERR(ctx, "Failed to get EGL display.\n");
return false;
}
if (!eglInitialize(p->egl.display, NULL, NULL)) {
MP_ERR(ctx, "Failed to initialize EGL.\n");
return false;
}
EGLConfig config;
if (!mpegl_create_context_cb(ctx,
p->egl.display,
(struct mpegl_cb){match_config_to_visual, ctx},
&p->egl.context,
&config))
return false;
MP_VERBOSE(ctx, "Initializing EGL surface\n");
p->egl.surface = mpegl_create_window_surface(
p->egl.display, config, p->gbm.surface);
if (p->egl.surface == EGL_NO_SURFACE) {
p->egl.surface = eglCreateWindowSurface(
p->egl.display, config, p->gbm.surface, NULL);
}
if (p->egl.surface == EGL_NO_SURFACE) {
MP_ERR(ctx, "Failed to create EGL surface.\n");
return false;
}
return true;
}
static bool init_gbm(struct ra_ctx *ctx)
{
struct priv *p = ctx->priv;
struct vo_drm_state *drm = ctx->vo->drm;
MP_VERBOSE(ctx->vo, "Creating GBM device\n");
p->gbm.device = gbm_create_device(drm->fd);
if (!p->gbm.device) {
MP_ERR(ctx->vo, "Failed to create GBM device.\n");
return false;
}
MP_VERBOSE(ctx->vo, "Initializing GBM surface (%d x %d)\n",
p->draw_surface_size.width, p->draw_surface_size.height);
if (p->num_gbm_modifiers == 0) {
p->gbm.surface = gbm_surface_create(
p->gbm.device,
p->draw_surface_size.width,
p->draw_surface_size.height,
p->gbm_format,
GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
} else {
p->gbm.surface = gbm_surface_create_with_modifiers(
p->gbm.device,
p->draw_surface_size.width,
p->draw_surface_size.height,
p->gbm_format,
p->gbm_modifiers,
p->num_gbm_modifiers);
}
if (!p->gbm.surface) {
MP_ERR(ctx->vo, "Failed to create GBM surface.\n");
return false;
}
return true;
}
static void framebuffer_destroy_callback(struct gbm_bo *bo, void *data)
{
struct framebuffer *fb = data;
if (fb) {
drmModeRmFB(fb->fd, fb->id);
}
}
static void update_framebuffer_from_bo(struct ra_ctx *ctx, struct gbm_bo *bo)
{
struct priv *p = ctx->priv;
struct vo_drm_state *drm = ctx->vo->drm;
struct framebuffer *fb = gbm_bo_get_user_data(bo);
if (fb) {
drm->fb = fb;
return;
}
fb = talloc_zero(ctx, struct framebuffer);
fb->fd = drm->fd;
fb->width = gbm_bo_get_width(bo);
fb->height = gbm_bo_get_height(bo);
uint64_t modifier = gbm_bo_get_modifier(bo);
int ret;
if (p->num_gbm_modifiers == 0 || modifier == DRM_FORMAT_MOD_INVALID) {
uint32_t stride = gbm_bo_get_stride(bo);
uint32_t handle = gbm_bo_get_handle(bo).u32;
ret = drmModeAddFB2(fb->fd, fb->width, fb->height,
p->gbm_format,
(uint32_t[4]){handle, 0, 0, 0},
(uint32_t[4]){stride, 0, 0, 0},
(uint32_t[4]){0, 0, 0, 0},
&fb->id, 0);
} else {
MP_VERBOSE(ctx, "GBM surface using modifier 0x%"PRIX64"\n", modifier);
uint32_t handles[4] = {0};
uint32_t strides[4] = {0};
uint32_t offsets[4] = {0};
uint64_t modifiers[4] = {0};
const int num_planes = gbm_bo_get_plane_count(bo);
for (int i = 0; i < num_planes; ++i) {
handles[i] = gbm_bo_get_handle_for_plane(bo, i).u32;
strides[i] = gbm_bo_get_stride_for_plane(bo, i);
offsets[i] = gbm_bo_get_offset(bo, i);
modifiers[i] = modifier;
}
ret = drmModeAddFB2WithModifiers(fb->fd, fb->width, fb->height,
p->gbm_format,
handles, strides, offsets, modifiers,
&fb->id, DRM_MODE_FB_MODIFIERS);
}
if (ret) {
MP_ERR(ctx->vo, "Failed to create framebuffer: %s\n", mp_strerror(errno));
}
gbm_bo_set_user_data(bo, fb, framebuffer_destroy_callback);
drm->fb = fb;
}
static void queue_flip(struct ra_ctx *ctx, struct gbm_frame *frame)
{
struct vo_drm_state *drm = ctx->vo->drm;
update_framebuffer_from_bo(ctx, frame->bo);
// Alloc and fill the data struct for the page flip callback
struct drm_pflip_cb_closure *data = talloc(ctx, struct drm_pflip_cb_closure);
data->frame_vsync = &frame->vsync;
data->vsync = &drm->vsync;
data->vsync_info = &drm->vsync_info;
data->waiting_for_flip = &drm->waiting_for_flip;
data->log = drm->log;
struct drm_atomic_context *atomic_ctx = drm->atomic_context;
drm_object_set_property(atomic_ctx->request, atomic_ctx->draw_plane, "FB_ID", drm->fb->id);
drm_object_set_property(atomic_ctx->request, atomic_ctx->draw_plane, "CRTC_ID", atomic_ctx->crtc->id);
drm_object_set_property(atomic_ctx->request, atomic_ctx->draw_plane, "ZPOS", 1);
int ret = drmModeAtomicCommit(drm->fd, atomic_ctx->request,
DRM_MODE_ATOMIC_NONBLOCK | DRM_MODE_PAGE_FLIP_EVENT, data);
if (ret) {
MP_WARN(ctx->vo, "Failed to commit atomic request: %s\n", mp_strerror(ret));
talloc_free(data);
}
drm->waiting_for_flip = !ret;
drmModeAtomicFree(atomic_ctx->request);
atomic_ctx->request = drmModeAtomicAlloc();
}
static void enqueue_bo(struct ra_ctx *ctx, struct gbm_bo *bo)
{
struct priv *p = ctx->priv;
struct vo_drm_state *drm = ctx->vo->drm;
drm->vsync.sbc++;
struct gbm_frame *new_frame = talloc(p, struct gbm_frame);
new_frame->bo = bo;
new_frame->vsync = drm->vsync;
MP_TARRAY_APPEND(p, p->gbm.bo_queue, p->gbm.num_bos, new_frame);
}
static void dequeue_bo(struct ra_ctx *ctx)
{
struct priv *p = ctx->priv;
talloc_free(p->gbm.bo_queue[0]);
MP_TARRAY_REMOVE_AT(p->gbm.bo_queue, p->gbm.num_bos, 0);
}
static void swapchain_step(struct ra_ctx *ctx)
{
struct priv *p = ctx->priv;
if (!(p->gbm.num_bos > 0))
return;
if (p->gbm.bo_queue[0]->bo)
gbm_surface_release_buffer(p->gbm.surface, p->gbm.bo_queue[0]->bo);
dequeue_bo(ctx);
}
static void new_fence(struct ra_ctx *ctx)
{
struct priv *p = ctx->priv;
if (p->gl.FenceSync) {
GLsync fence = p->gl.FenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
if (fence)
MP_TARRAY_APPEND(p, p->vsync_fences, p->num_vsync_fences, fence);
}
}
static void wait_fence(struct ra_ctx *ctx)
{
struct priv *p = ctx->priv;
while (p->num_vsync_fences && (p->num_vsync_fences >= p->gbm.num_bos)) {
p->gl.ClientWaitSync(p->vsync_fences[0], GL_SYNC_FLUSH_COMMANDS_BIT, 1e9);
p->gl.DeleteSync(p->vsync_fences[0]);
MP_TARRAY_REMOVE_AT(p->vsync_fences, p->num_vsync_fences, 0);
}
}
static bool drm_egl_start_frame(struct ra_swapchain *sw, struct ra_fbo *out_fbo)
{
struct ra_ctx *ctx = sw->ctx;
struct priv *p = ctx->priv;
struct vo_drm_state *drm = ctx->vo->drm;
if (!drm->atomic_context->request) {
drm->atomic_context->request = drmModeAtomicAlloc();
p->drm_params.atomic_request_ptr = &drm->atomic_context->request;
}
return ra_gl_ctx_start_frame(sw, out_fbo);
}
static bool drm_egl_submit_frame(struct ra_swapchain *sw, const struct vo_frame *frame)
{
struct ra_ctx *ctx = sw->ctx;
struct vo_drm_state *drm = ctx->vo->drm;
drm->still = frame->still;
return ra_gl_ctx_submit_frame(sw, frame);
}
static void drm_egl_swap_buffers(struct ra_swapchain *sw)
{
struct ra_ctx *ctx = sw->ctx;
struct priv *p = ctx->priv;
struct vo_drm_state *drm = ctx->vo->drm;
const bool drain = drm->paused || drm->still; // True when we need to drain the swapchain
if (!drm->active)
return;
wait_fence(ctx);
eglSwapBuffers(p->egl.display, p->egl.surface);
struct gbm_bo *new_bo = gbm_surface_lock_front_buffer(p->gbm.surface);
if (!new_bo) {
MP_ERR(ctx->vo, "Couldn't lock front buffer\n");
return;
}
enqueue_bo(ctx, new_bo);
new_fence(ctx);
while (drain || p->gbm.num_bos > ctx->vo->opts->swapchain_depth ||
!gbm_surface_has_free_buffers(p->gbm.surface)) {
if (drm->waiting_for_flip) {
vo_drm_wait_on_flip(drm);
swapchain_step(ctx);
}
if (p->gbm.num_bos <= 1)
break;
if (!p->gbm.bo_queue[1] || !p->gbm.bo_queue[1]->bo) {
MP_ERR(ctx->vo, "Hole in swapchain?\n");
swapchain_step(ctx);
continue;
}
queue_flip(ctx, p->gbm.bo_queue[1]);
}
}
static const struct ra_swapchain_fns drm_egl_swapchain = {
.start_frame = drm_egl_start_frame,
.submit_frame = drm_egl_submit_frame,
.swap_buffers = drm_egl_swap_buffers,
};
static void drm_egl_uninit(struct ra_ctx *ctx)
{
struct priv *p = ctx->priv;
struct vo_drm_state *drm = ctx->vo->drm;
struct drm_atomic_context *atomic_ctx = drm->atomic_context;
if (drmModeAtomicCommit(drm->fd, atomic_ctx->request, 0, NULL))
MP_ERR(ctx->vo, "Failed to commit atomic request: %s\n", mp_strerror(errno));
drmModeAtomicFree(atomic_ctx->request);
vo_drm_uninit(ctx->vo);
ra_gl_ctx_uninit(ctx);
// According to GBM documentation all BO:s must be released before
// gbm_surface_destroy can be called on the surface.
while (p->gbm.num_bos) {
swapchain_step(ctx);
}
eglMakeCurrent(p->egl.display, EGL_NO_SURFACE, EGL_NO_SURFACE,
EGL_NO_CONTEXT);
eglDestroyContext(p->egl.display, p->egl.context);
eglDestroySurface(p->egl.display, p->egl.surface);
gbm_surface_destroy(p->gbm.surface);
eglTerminate(p->egl.display);
gbm_device_destroy(p->gbm.device);
p->egl.context = EGL_NO_CONTEXT;
eglDestroyContext(p->egl.display, p->egl.context);
close(p->drm_params.render_fd);
}
// If the draw plane supports ARGB we want to use that, but if it doesn't we
// fall back on XRGB. If we do not have atomic there is no particular reason to
// be using ARGB (drmprime hwdec will not work without atomic, anyway), so we
// fall back to XRGB (another reason is that we do not have the convenient
// atomic_ctx and its convenient plane fields).
static bool probe_gbm_format(struct ra_ctx *ctx, uint32_t argb_format, uint32_t xrgb_format)
{
struct priv *p = ctx->priv;
struct vo_drm_state *drm = ctx->vo->drm;
drmModePlane *drmplane = drmModeGetPlane(drm->fd, drm->atomic_context->draw_plane->id);
bool have_argb = false;
bool have_xrgb = false;
bool result = false;
for (unsigned int i = 0; i < drmplane->count_formats; ++i) {
if (drmplane->formats[i] == argb_format) {
have_argb = true;
} else if (drmplane->formats[i] == xrgb_format) {
have_xrgb = true;
}
}
if (have_argb) {
p->gbm_format = argb_format;
MP_VERBOSE(ctx->vo, "%s supported by draw plane.\n", gbm_format_to_string(argb_format));
result = true;
} else if (have_xrgb) {
p->gbm_format = xrgb_format;
MP_VERBOSE(ctx->vo, "%s not supported by draw plane: Falling back to %s.\n",
gbm_format_to_string(argb_format), gbm_format_to_string(xrgb_format));
result = true;
}
drmModeFreePlane(drmplane);
return result;
}
static bool probe_gbm_modifiers(struct ra_ctx *ctx)
{
struct priv *p = ctx->priv;
struct vo_drm_state *drm = ctx->vo->drm;
drmModePropertyBlobPtr blob = drm_object_get_property_blob(drm->atomic_context->draw_plane,
"IN_FORMATS");
if (!blob) {
MP_VERBOSE(ctx->vo, "Failed to find IN_FORMATS property\n");
return false;
}
struct drm_format_modifier_blob *data = blob->data;
uint32_t *fmts = (uint32_t *)((char *)data + data->formats_offset);
struct drm_format_modifier *mods =
(struct drm_format_modifier *)((char *)data + data->modifiers_offset);
for (unsigned int j = 0; j < data->count_modifiers; ++j) {
struct drm_format_modifier *mod = &mods[j];
for (uint64_t k = 0; k < 64; ++k) {
if (mod->formats & (1ull << k)) {
uint32_t fmt = fmts[k + mod->offset];
if (fmt == p->gbm_format) {
MP_TARRAY_APPEND(p, p->gbm_modifiers,
p->num_gbm_modifiers, mod->modifier);
MP_VERBOSE(ctx->vo, "Supported modifier: 0x%"PRIX64"\n",
(uint64_t)mod->modifier);
break;
}
}
}
}
drmModeFreePropertyBlob(blob);
if (p->num_gbm_modifiers == 0) {
MP_VERBOSE(ctx->vo, "No supported DRM modifiers found.\n");
}
return true;
}
static void drm_egl_get_vsync(struct ra_ctx *ctx, struct vo_vsync_info *info)
{
vo_drm_get_vsync(ctx->vo, info);
}
static bool drm_egl_init(struct ra_ctx *ctx)
{
if (!vo_drm_init(ctx->vo))
goto err;
struct priv *p = ctx->priv = talloc_zero(ctx, struct priv);
struct vo_drm_state *drm = ctx->vo->drm;
if (ctx->vo->drm->opts->draw_surface_size.wh_valid) {
p->draw_surface_size.width = ctx->vo->drm->opts->draw_surface_size.w;
p->draw_surface_size.height = ctx->vo->drm->opts->draw_surface_size.h;
} else {
p->draw_surface_size.width = drm->mode.mode.hdisplay;
p->draw_surface_size.height = drm->mode.mode.vdisplay;
}
drm->width = p->draw_surface_size.width;
drm->height = p->draw_surface_size.height;
uint32_t argb_format;
uint32_t xrgb_format;
switch (ctx->vo->drm->opts->drm_format) {
case DRM_OPTS_FORMAT_XRGB2101010:
argb_format = GBM_FORMAT_ARGB2101010;
xrgb_format = GBM_FORMAT_XRGB2101010;
break;
case DRM_OPTS_FORMAT_XBGR2101010:
argb_format = GBM_FORMAT_ABGR2101010;
xrgb_format = GBM_FORMAT_XBGR2101010;
break;
case DRM_OPTS_FORMAT_XBGR8888:
argb_format = GBM_FORMAT_ABGR8888;
xrgb_format = GBM_FORMAT_XBGR8888;
break;
default:
argb_format = GBM_FORMAT_ARGB8888;
xrgb_format = GBM_FORMAT_XRGB8888;
break;
}
if (!probe_gbm_format(ctx, argb_format, xrgb_format)) {
MP_ERR(ctx->vo, "No suitable format found on draw plane (tried: %s and %s).\n",
gbm_format_to_string(argb_format), gbm_format_to_string(xrgb_format));
goto err;
}
// It is not fatal if this fails. We'll just try without modifiers.
probe_gbm_modifiers(ctx);
if (!init_gbm(ctx)) {
MP_ERR(ctx->vo, "Failed to setup GBM.\n");
goto err;
}
if (!init_egl(ctx)) {
MP_ERR(ctx->vo, "Failed to setup EGL.\n");
goto err;
}
if (!eglMakeCurrent(p->egl.display, p->egl.surface, p->egl.surface,
p->egl.context)) {
MP_ERR(ctx->vo, "Failed to make context current.\n");
goto err;
}
mpegl_load_functions(&p->gl, ctx->vo->log);
// required by gbm_surface_lock_front_buffer
eglSwapBuffers(p->egl.display, p->egl.surface);
MP_VERBOSE(ctx, "Preparing framebuffer\n");
struct gbm_bo *new_bo = gbm_surface_lock_front_buffer(p->gbm.surface);
if (!new_bo) {
MP_ERR(ctx, "Failed to lock GBM surface.\n");
goto err;
}
enqueue_bo(ctx, new_bo);
update_framebuffer_from_bo(ctx, new_bo);
if (!drm->fb || !drm->fb->id) {
MP_ERR(ctx, "Failed to create framebuffer.\n");
goto err;
}
if (!vo_drm_acquire_crtc(ctx->vo->drm)) {
MP_ERR(ctx, "Failed to set CRTC for connector %u: %s\n",
drm->connector->connector_id, mp_strerror(errno));
goto err;
}
vo_drm_set_monitor_par(ctx->vo);
p->drm_params.fd = drm->fd;
p->drm_params.crtc_id = drm->crtc_id;
p->drm_params.connector_id = drm->connector->connector_id;
p->drm_params.atomic_request_ptr = &drm->atomic_context->request;
char *rendernode_path = drmGetRenderDeviceNameFromFd(drm->fd);
if (rendernode_path) {
MP_VERBOSE(ctx, "Opening render node \"%s\"\n", rendernode_path);
p->drm_params.render_fd = open(rendernode_path, O_RDWR | O_CLOEXEC);
if (p->drm_params.render_fd == -1) {
MP_WARN(ctx, "Cannot open render node \"%s\": %s. VAAPI hwdec will be disabled\n",
rendernode_path, mp_strerror(errno));
}
free(rendernode_path);
} else {
p->drm_params.render_fd = -1;
MP_VERBOSE(ctx, "Could not find path to render node. VAAPI hwdec will be disabled\n");
}
struct ra_gl_ctx_params params = {
.external_swapchain = &drm_egl_swapchain,
.get_vsync = &drm_egl_get_vsync,
};
if (!ra_gl_ctx_init(ctx, &p->gl, params))
goto err;
ra_add_native_resource(ctx->ra, "drm_params_v2", &p->drm_params);
ra_add_native_resource(ctx->ra, "drm_draw_surface_size", &p->draw_surface_size);
return true;
err:
drm_egl_uninit(ctx);
return false;
}
static bool drm_egl_reconfig(struct ra_ctx *ctx)
{
struct vo_drm_state *drm = ctx->vo->drm;
ctx->vo->dwidth = drm->fb->width;
ctx->vo->dheight = drm->fb->height;
ra_gl_ctx_resize(ctx->swapchain, drm->fb->width, drm->fb->height, 0);
return true;
}
static int drm_egl_control(struct ra_ctx *ctx, int *events, int request,
void *arg)
{
int ret = vo_drm_control(ctx->vo, events, request, arg);
return ret;
}
static void drm_egl_wait_events(struct ra_ctx *ctx, int64_t until_time_us)
{
vo_drm_wait_events(ctx->vo, until_time_us);
}
static void drm_egl_wakeup(struct ra_ctx *ctx)
{
vo_drm_wakeup(ctx->vo);
}
const struct ra_ctx_fns ra_ctx_drm_egl = {
.type = "opengl",
.name = "drm",
.reconfig = drm_egl_reconfig,
.control = drm_egl_control,
.init = drm_egl_init,
.uninit = drm_egl_uninit,
.wait_events = drm_egl_wait_events,
.wakeup = drm_egl_wakeup,
};
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