mirror of https://github.com/mpv-player/mpv
745 lines
23 KiB
C
745 lines
23 KiB
C
/*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it 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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* mpv 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <assert.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <string.h>
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#include <poll.h>
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#include <unistd.h>
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#include <gbm.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <drm_fourcc.h>
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#include "libmpv/render_gl.h"
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#include "common/common.h"
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#include "osdep/timer.h"
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#include "video/out/drm_atomic.h"
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#include "video/out/drm_common.h"
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#include "video/out/present_sync.h"
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#include "egl_helpers.h"
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#include "common.h"
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#include "context.h"
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#ifndef EGL_PLATFORM_GBM_MESA
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#define EGL_PLATFORM_GBM_MESA 0x31D7
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#endif
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#ifndef EGL_PLATFORM_GBM_KHR
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#define EGL_PLATFORM_GBM_KHR 0x31D7
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#endif
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struct gbm_frame {
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struct gbm_bo *bo;
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};
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struct gbm {
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struct gbm_surface *surface;
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struct gbm_device *device;
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struct gbm_frame **bo_queue;
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unsigned int num_bos;
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};
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struct egl {
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EGLDisplay display;
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EGLContext context;
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EGLSurface surface;
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};
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struct priv {
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GL gl;
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struct egl egl;
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struct gbm gbm;
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GLsync *vsync_fences;
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unsigned int num_vsync_fences;
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uint32_t gbm_format;
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uint64_t *gbm_modifiers;
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unsigned int num_gbm_modifiers;
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struct mpv_opengl_drm_params_v2 drm_params;
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struct mpv_opengl_drm_draw_surface_size draw_surface_size;
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};
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// Not general. Limited to only the formats being used in this module
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static const char *gbm_format_to_string(uint32_t format)
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{
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switch (format) {
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case GBM_FORMAT_XRGB8888:
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return "GBM_FORMAT_XRGB8888";
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case GBM_FORMAT_ARGB8888:
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return "GBM_FORMAT_ARGB8888";
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case GBM_FORMAT_XBGR8888:
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return "GBM_FORMAT_XBGR8888";
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case GBM_FORMAT_ABGR8888:
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return "GBM_FORMAT_ABGR8888";
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case GBM_FORMAT_XRGB2101010:
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return "GBM_FORMAT_XRGB2101010";
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case GBM_FORMAT_ARGB2101010:
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return "GBM_FORMAT_ARGB2101010";
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case GBM_FORMAT_XBGR2101010:
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return "GBM_FORMAT_XBGR2101010";
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case GBM_FORMAT_ABGR2101010:
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return "GBM_FORMAT_ABGR2101010";
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default:
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return "UNKNOWN";
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}
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}
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// Allow falling back to an ARGB EGLConfig when we have an XRGB framebuffer.
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// Also allow falling back to an XRGB EGLConfig for ARGB framebuffers, since
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// this seems necessary to work with broken Mali drivers that don't report
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// their EGLConfigs as supporting alpha properly.
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static uint32_t fallback_format_for(uint32_t format)
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{
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switch (format) {
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case GBM_FORMAT_XRGB8888:
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return GBM_FORMAT_ARGB8888;
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case GBM_FORMAT_ARGB8888:
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return GBM_FORMAT_XRGB8888;
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case GBM_FORMAT_XBGR8888:
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return GBM_FORMAT_ABGR8888;
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case GBM_FORMAT_ABGR8888:
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return GBM_FORMAT_XBGR8888;
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case GBM_FORMAT_XRGB2101010:
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return GBM_FORMAT_ARGB2101010;
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case GBM_FORMAT_ARGB2101010:
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return GBM_FORMAT_XRGB2101010;
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case GBM_FORMAT_XBGR2101010:
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return GBM_FORMAT_ABGR2101010;
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case GBM_FORMAT_ABGR2101010:
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return GBM_FORMAT_XBGR2101010;
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default:
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return 0;
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}
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}
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static int match_config_to_visual(void *user_data, EGLConfig *configs, int num_configs)
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{
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struct ra_ctx *ctx = (struct ra_ctx*)user_data;
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struct priv *p = ctx->priv;
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const EGLint visual_id[] = {
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(EGLint)p->gbm_format,
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(EGLint)fallback_format_for(p->gbm_format),
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0
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};
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for (unsigned int i = 0; visual_id[i] != 0; ++i) {
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MP_VERBOSE(ctx, "Attempting to find EGLConfig matching %s\n",
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gbm_format_to_string(visual_id[i]));
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for (unsigned int j = 0; j < num_configs; ++j) {
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EGLint id;
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if (!eglGetConfigAttrib(p->egl.display, configs[j], EGL_NATIVE_VISUAL_ID, &id))
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continue;
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if (visual_id[i] == id) {
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MP_VERBOSE(ctx, "Found matching EGLConfig for %s\n",
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gbm_format_to_string(visual_id[i]));
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return j;
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}
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}
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MP_VERBOSE(ctx, "No matching EGLConfig for %s\n", gbm_format_to_string(visual_id[i]));
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}
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MP_ERR(ctx, "Could not find EGLConfig matching the GBM visual (%s).\n",
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gbm_format_to_string(p->gbm_format));
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return -1;
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}
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static EGLDisplay egl_get_display(struct gbm_device *gbm_device)
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{
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EGLDisplay ret;
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ret = mpegl_get_display(EGL_PLATFORM_GBM_MESA, "EGL_MESA_platform_gbm", gbm_device);
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if (ret != EGL_NO_DISPLAY)
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return ret;
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ret = mpegl_get_display(EGL_PLATFORM_GBM_KHR, "EGL_KHR_platform_gbm", gbm_device);
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if (ret != EGL_NO_DISPLAY)
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return ret;
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return eglGetDisplay(gbm_device);
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}
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static bool init_egl(struct ra_ctx *ctx)
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{
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struct priv *p = ctx->priv;
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MP_VERBOSE(ctx, "Initializing EGL\n");
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p->egl.display = egl_get_display(p->gbm.device);
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if (p->egl.display == EGL_NO_DISPLAY) {
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MP_ERR(ctx, "Failed to get EGL display.\n");
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return false;
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}
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if (!eglInitialize(p->egl.display, NULL, NULL)) {
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MP_ERR(ctx, "Failed to initialize EGL.\n");
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return false;
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}
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EGLConfig config;
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if (!mpegl_create_context_cb(ctx,
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p->egl.display,
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(struct mpegl_cb){match_config_to_visual, ctx},
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&p->egl.context,
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&config))
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return false;
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MP_VERBOSE(ctx, "Initializing EGL surface\n");
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p->egl.surface = mpegl_create_window_surface(
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p->egl.display, config, p->gbm.surface);
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if (p->egl.surface == EGL_NO_SURFACE) {
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p->egl.surface = eglCreateWindowSurface(
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p->egl.display, config, p->gbm.surface, NULL);
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}
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if (p->egl.surface == EGL_NO_SURFACE) {
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MP_ERR(ctx, "Failed to create EGL surface.\n");
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return false;
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}
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return true;
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}
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static bool init_gbm(struct ra_ctx *ctx)
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{
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struct priv *p = ctx->priv;
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struct vo_drm_state *drm = ctx->vo->drm;
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MP_VERBOSE(ctx->vo, "Creating GBM device\n");
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p->gbm.device = gbm_create_device(drm->fd);
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if (!p->gbm.device) {
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MP_ERR(ctx->vo, "Failed to create GBM device.\n");
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return false;
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}
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MP_VERBOSE(ctx->vo, "Initializing GBM surface (%d x %d)\n",
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p->draw_surface_size.width, p->draw_surface_size.height);
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if (p->num_gbm_modifiers == 0) {
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p->gbm.surface = gbm_surface_create(
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p->gbm.device,
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p->draw_surface_size.width,
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p->draw_surface_size.height,
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p->gbm_format,
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GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
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} else {
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p->gbm.surface = gbm_surface_create_with_modifiers(
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p->gbm.device,
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p->draw_surface_size.width,
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p->draw_surface_size.height,
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p->gbm_format,
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p->gbm_modifiers,
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p->num_gbm_modifiers);
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}
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if (!p->gbm.surface) {
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MP_ERR(ctx->vo, "Failed to create GBM surface.\n");
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return false;
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}
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return true;
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}
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static void framebuffer_destroy_callback(struct gbm_bo *bo, void *data)
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{
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struct framebuffer *fb = data;
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if (fb) {
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drmModeRmFB(fb->fd, fb->id);
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}
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}
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static void update_framebuffer_from_bo(struct ra_ctx *ctx, struct gbm_bo *bo)
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{
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struct priv *p = ctx->priv;
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struct vo_drm_state *drm = ctx->vo->drm;
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struct framebuffer *fb = gbm_bo_get_user_data(bo);
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if (fb) {
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drm->fb = fb;
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return;
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}
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fb = talloc_zero(ctx, struct framebuffer);
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fb->fd = drm->fd;
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fb->width = gbm_bo_get_width(bo);
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fb->height = gbm_bo_get_height(bo);
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uint64_t modifier = gbm_bo_get_modifier(bo);
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int ret;
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if (p->num_gbm_modifiers == 0 || modifier == DRM_FORMAT_MOD_INVALID) {
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uint32_t stride = gbm_bo_get_stride(bo);
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uint32_t handle = gbm_bo_get_handle(bo).u32;
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ret = drmModeAddFB2(fb->fd, fb->width, fb->height,
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p->gbm_format,
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(uint32_t[4]){handle, 0, 0, 0},
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(uint32_t[4]){stride, 0, 0, 0},
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(uint32_t[4]){0, 0, 0, 0},
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&fb->id, 0);
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} else {
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MP_VERBOSE(ctx, "GBM surface using modifier 0x%"PRIX64"\n", modifier);
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uint32_t handles[4] = {0};
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uint32_t strides[4] = {0};
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uint32_t offsets[4] = {0};
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uint64_t modifiers[4] = {0};
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const int num_planes = gbm_bo_get_plane_count(bo);
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for (int i = 0; i < num_planes; ++i) {
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handles[i] = gbm_bo_get_handle_for_plane(bo, i).u32;
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strides[i] = gbm_bo_get_stride_for_plane(bo, i);
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offsets[i] = gbm_bo_get_offset(bo, i);
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modifiers[i] = modifier;
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}
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ret = drmModeAddFB2WithModifiers(fb->fd, fb->width, fb->height,
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p->gbm_format,
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handles, strides, offsets, modifiers,
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&fb->id, DRM_MODE_FB_MODIFIERS);
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}
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if (ret) {
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MP_ERR(ctx->vo, "Failed to create framebuffer: %s\n", mp_strerror(errno));
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}
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gbm_bo_set_user_data(bo, fb, framebuffer_destroy_callback);
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drm->fb = fb;
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}
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static void queue_flip(struct ra_ctx *ctx, struct gbm_frame *frame)
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{
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struct vo_drm_state *drm = ctx->vo->drm;
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update_framebuffer_from_bo(ctx, frame->bo);
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struct drm_atomic_context *atomic_ctx = drm->atomic_context;
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drm_object_set_property(atomic_ctx->request, atomic_ctx->draw_plane, "FB_ID", drm->fb->id);
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drm_object_set_property(atomic_ctx->request, atomic_ctx->draw_plane, "CRTC_ID", atomic_ctx->crtc->id);
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drm_object_set_property(atomic_ctx->request, atomic_ctx->draw_plane, "ZPOS", 1);
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int ret = drmModeAtomicCommit(drm->fd, atomic_ctx->request,
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DRM_MODE_ATOMIC_NONBLOCK | DRM_MODE_PAGE_FLIP_EVENT, drm);
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if (ret)
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MP_WARN(ctx->vo, "Failed to commit atomic request: %s\n", mp_strerror(ret));
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drm->waiting_for_flip = !ret;
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drmModeAtomicFree(atomic_ctx->request);
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atomic_ctx->request = drmModeAtomicAlloc();
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}
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static void enqueue_bo(struct ra_ctx *ctx, struct gbm_bo *bo)
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{
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struct priv *p = ctx->priv;
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struct gbm_frame *new_frame = talloc(p, struct gbm_frame);
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new_frame->bo = bo;
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MP_TARRAY_APPEND(p, p->gbm.bo_queue, p->gbm.num_bos, new_frame);
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}
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static void dequeue_bo(struct ra_ctx *ctx)
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{
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struct priv *p = ctx->priv;
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talloc_free(p->gbm.bo_queue[0]);
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MP_TARRAY_REMOVE_AT(p->gbm.bo_queue, p->gbm.num_bos, 0);
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}
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static void swapchain_step(struct ra_ctx *ctx)
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{
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struct priv *p = ctx->priv;
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if (!(p->gbm.num_bos > 0))
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return;
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if (p->gbm.bo_queue[0]->bo)
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gbm_surface_release_buffer(p->gbm.surface, p->gbm.bo_queue[0]->bo);
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dequeue_bo(ctx);
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}
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static void new_fence(struct ra_ctx *ctx)
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{
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struct priv *p = ctx->priv;
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if (p->gl.FenceSync) {
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GLsync fence = p->gl.FenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
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if (fence)
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MP_TARRAY_APPEND(p, p->vsync_fences, p->num_vsync_fences, fence);
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}
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}
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static void wait_fence(struct ra_ctx *ctx)
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{
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struct priv *p = ctx->priv;
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while (p->num_vsync_fences && (p->num_vsync_fences >= p->gbm.num_bos)) {
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p->gl.ClientWaitSync(p->vsync_fences[0], GL_SYNC_FLUSH_COMMANDS_BIT, 1e9);
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p->gl.DeleteSync(p->vsync_fences[0]);
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MP_TARRAY_REMOVE_AT(p->vsync_fences, p->num_vsync_fences, 0);
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}
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}
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static bool drm_egl_start_frame(struct ra_swapchain *sw, struct ra_fbo *out_fbo)
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{
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struct ra_ctx *ctx = sw->ctx;
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struct priv *p = ctx->priv;
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struct vo_drm_state *drm = ctx->vo->drm;
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if (!drm->atomic_context->request) {
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drm->atomic_context->request = drmModeAtomicAlloc();
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p->drm_params.atomic_request_ptr = &drm->atomic_context->request;
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}
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return ra_gl_ctx_start_frame(sw, out_fbo);
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}
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static bool drm_egl_submit_frame(struct ra_swapchain *sw, const struct vo_frame *frame)
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{
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struct ra_ctx *ctx = sw->ctx;
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struct vo_drm_state *drm = ctx->vo->drm;
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drm->still = frame->still;
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return ra_gl_ctx_submit_frame(sw, frame);
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}
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static void drm_egl_swap_buffers(struct ra_swapchain *sw)
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{
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struct ra_ctx *ctx = sw->ctx;
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struct priv *p = ctx->priv;
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struct vo_drm_state *drm = ctx->vo->drm;
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const bool drain = drm->paused || drm->still; // True when we need to drain the swapchain
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if (!drm->active)
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return;
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wait_fence(ctx);
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eglSwapBuffers(p->egl.display, p->egl.surface);
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struct gbm_bo *new_bo = gbm_surface_lock_front_buffer(p->gbm.surface);
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if (!new_bo) {
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MP_ERR(ctx->vo, "Couldn't lock front buffer\n");
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return;
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}
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enqueue_bo(ctx, new_bo);
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new_fence(ctx);
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while (drain || p->gbm.num_bos > ctx->vo->opts->swapchain_depth ||
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!gbm_surface_has_free_buffers(p->gbm.surface)) {
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if (drm->waiting_for_flip) {
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vo_drm_wait_on_flip(drm);
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swapchain_step(ctx);
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}
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if (p->gbm.num_bos <= 1)
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break;
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if (!p->gbm.bo_queue[1] || !p->gbm.bo_queue[1]->bo) {
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MP_ERR(ctx->vo, "Hole in swapchain?\n");
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swapchain_step(ctx);
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continue;
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}
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queue_flip(ctx, p->gbm.bo_queue[1]);
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}
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}
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static const struct ra_swapchain_fns drm_egl_swapchain = {
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.start_frame = drm_egl_start_frame,
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.submit_frame = drm_egl_submit_frame,
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.swap_buffers = drm_egl_swap_buffers,
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};
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static void drm_egl_uninit(struct ra_ctx *ctx)
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{
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struct priv *p = ctx->priv;
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struct vo_drm_state *drm = ctx->vo->drm;
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if (drm) {
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struct drm_atomic_context *atomic_ctx = drm->atomic_context;
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if (drmModeAtomicCommit(drm->fd, atomic_ctx->request, 0, NULL))
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MP_ERR(ctx->vo, "Failed to commit atomic request: %s\n",
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mp_strerror(errno));
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drmModeAtomicFree(atomic_ctx->request);
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}
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ra_gl_ctx_uninit(ctx);
|
|
vo_drm_uninit(ctx->vo);
|
|
|
|
if (p) {
|
|
// 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);
|
|
if (p->egl.display != EGL_NO_DISPLAY) {
|
|
eglDestroySurface(p->egl.display, p->egl.surface);
|
|
eglDestroyContext(p->egl.display, p->egl.context);
|
|
}
|
|
if (p->gbm.surface)
|
|
gbm_surface_destroy(p->gbm.surface);
|
|
eglTerminate(p->egl.display);
|
|
gbm_device_destroy(p->gbm.device);
|
|
|
|
if (p->drm_params.render_fd != -1)
|
|
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)
|
|
{
|
|
struct vo_drm_state *drm = ctx->vo->drm;
|
|
present_sync_get_info(drm->present, 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\n", mp_strerror(errno));
|
|
}
|
|
free(rendernode_path);
|
|
} else {
|
|
p->drm_params.render_fd = -1;
|
|
MP_VERBOSE(ctx, "Could not find path to render node.\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_ns)
|
|
{
|
|
vo_drm_wait_events(ctx->vo, until_time_ns);
|
|
}
|
|
|
|
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,
|
|
};
|