Adding upstream version 0.37.0.upstream/0.37.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 225 insertions, 0 deletions

diff --git a/video/out/opengl/context_x11egl.c b/video/out/opengl/context_x11egl.c
new file mode 100644
index 0000000..3201f29
--- /dev/null
+++ b/video/out/opengl/context_x11egl.c
@@ -0,0 +1,225 @@
+/*
+ * 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 <X11/Xlib.h>
+#include <X11/extensions/Xpresent.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+#include "common/common.h"
+#include "video/out/present_sync.h"
+#include "video/out/x11_common.h"
+#include "context.h"
+#include "egl_helpers.h"
+#include "utils.h"
+
+#define EGL_PLATFORM_X11_EXT 0x31D5
+
+struct priv {
+    GL gl;
+    EGLDisplay egl_display;
+    EGLContext egl_context;
+    EGLSurface egl_surface;
+};
+
+static void mpegl_uninit(struct ra_ctx *ctx)
+{
+    struct priv *p = ctx->priv;
+    ra_gl_ctx_uninit(ctx);
+
+    eglMakeCurrent(p->egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE,
+                   EGL_NO_CONTEXT);
+    eglTerminate(p->egl_display);
+    vo_x11_uninit(ctx->vo);
+}
+
+static int pick_xrgba_config(void *user_data, EGLConfig *configs, int num_configs)
+{
+    struct ra_ctx *ctx = user_data;
+    struct priv *p = ctx->priv;
+    struct vo *vo = ctx->vo;
+
+    for (int n = 0; n < num_configs; n++) {
+        int vID = 0, num;
+        eglGetConfigAttrib(p->egl_display, configs[n], EGL_NATIVE_VISUAL_ID, &vID);
+        XVisualInfo template = {.visualid = vID};
+        XVisualInfo *vi = XGetVisualInfo(vo->x11->display, VisualIDMask,
+                                         &template, &num);
+        if (vi) {
+            bool is_rgba = vo_x11_is_rgba_visual(vi);
+            XFree(vi);
+            if (is_rgba)
+                return n;
+        }
+    }
+
+    return 0;
+}
+
+static bool mpegl_check_visible(struct ra_ctx *ctx)
+{
+    return vo_x11_check_visible(ctx->vo);
+}
+
+static void mpegl_swap_buffers(struct ra_ctx *ctx)
+{
+    struct priv *p = ctx->priv;
+
+    eglSwapBuffers(p->egl_display, p->egl_surface);
+    if (ctx->vo->x11->use_present)
+        present_sync_swap(ctx->vo->x11->present);
+}
+
+static void mpegl_get_vsync(struct ra_ctx *ctx, struct vo_vsync_info *info)
+{
+    struct vo_x11_state *x11 = ctx->vo->x11;
+    if (ctx->vo->x11->use_present)
+        present_sync_get_info(x11->present, info);
+}
+
+static bool mpegl_init(struct ra_ctx *ctx)
+{
+    struct priv *p = ctx->priv = talloc_zero(ctx, struct priv);
+    struct vo *vo = ctx->vo;
+    int msgl = ctx->opts.probing ? MSGL_V : MSGL_FATAL;
+
+    if (!vo_x11_init(vo))
+        goto uninit;
+
+    p->egl_display = mpegl_get_display(EGL_PLATFORM_X11_EXT,
+                                       "EGL_EXT_platform_x11",
+                                        vo->x11->display);
+    if (!eglInitialize(p->egl_display, NULL, NULL)) {
+        MP_MSG(ctx, msgl, "Could not initialize EGL.\n");
+        goto uninit;
+    }
+
+    struct mpegl_cb cb = {
+        .user_data = ctx,
+        .refine_config = ctx->opts.want_alpha ? pick_xrgba_config : NULL,
+    };
+
+    EGLConfig config;
+    if (!mpegl_create_context_cb(ctx, p->egl_display, cb, &p->egl_context, &config))
+        goto uninit;
+
+    int cid, vID, n;
+    if (!eglGetConfigAttrib(p->egl_display, config, EGL_CONFIG_ID, &cid)) {
+        MP_FATAL(ctx, "Getting EGL_CONFIG_ID failed!\n");
+        goto uninit;
+    }
+    if (!eglGetConfigAttrib(p->egl_display, config, EGL_NATIVE_VISUAL_ID, &vID)) {
+        MP_FATAL(ctx, "Getting X visual ID failed!\n");
+        goto uninit;
+    }
+    MP_VERBOSE(ctx, "Choosing visual EGL config 0x%x, visual ID 0x%x\n", cid, vID);
+    XVisualInfo template = {.visualid = vID};
+    XVisualInfo *vi = XGetVisualInfo(vo->x11->display, VisualIDMask, &template, &n);
+
+    if (!vi) {
+        MP_FATAL(ctx, "Getting X visual failed!\n");
+        goto uninit;
+    }
+
+    if (!vo_x11_create_vo_window(vo, vi, "gl")) {
+        XFree(vi);
+        goto uninit;
+    }
+
+    XFree(vi);
+
+    p->egl_surface = mpegl_create_window_surface(
+        p->egl_display, config, &vo->x11->window);
+    if (p->egl_surface == EGL_NO_SURFACE) {
+        p->egl_surface = eglCreateWindowSurface(
+            p->egl_display, config, (EGLNativeWindowType)vo->x11->window, NULL);
+    }
+    if (p->egl_surface == EGL_NO_SURFACE) {
+        MP_FATAL(ctx, "Could not create EGL surface!\n");
+        goto uninit;
+    }
+
+    if (!eglMakeCurrent(p->egl_display, p->egl_surface, p->egl_surface,
+                        p->egl_context))
+    {
+        MP_FATAL(ctx, "Could not make context current!\n");
+        goto uninit;
+    }
+
+    mpegl_load_functions(&p->gl, ctx->log);
+
+    struct ra_gl_ctx_params params = {
+        .check_visible = mpegl_check_visible,
+        .swap_buffers = mpegl_swap_buffers,
+        .get_vsync    = mpegl_get_vsync,
+    };
+
+    if (!ra_gl_ctx_init(ctx, &p->gl, params))
+        goto uninit;
+
+    ra_add_native_resource(ctx->ra, "x11", vo->x11->display);
+
+    return true;
+
+uninit:
+    mpegl_uninit(ctx);
+    return false;
+}
+
+static void resize(struct ra_ctx *ctx)
+{
+    ra_gl_ctx_resize(ctx->swapchain, ctx->vo->dwidth, ctx->vo->dheight, 0);
+}
+
+static bool mpegl_reconfig(struct ra_ctx *ctx)
+{
+    vo_x11_config_vo_window(ctx->vo);
+    resize(ctx);
+    return true;
+}
+
+static int mpegl_control(struct ra_ctx *ctx, int *events, int request,
+                         void *arg)
+{
+    int ret = vo_x11_control(ctx->vo, events, request, arg);
+    if (*events & VO_EVENT_RESIZE)
+        resize(ctx);
+    return ret;
+}
+
+static void mpegl_wakeup(struct ra_ctx *ctx)
+{
+    vo_x11_wakeup(ctx->vo);
+}
+
+static void mpegl_wait_events(struct ra_ctx *ctx, int64_t until_time_ns)
+{
+    vo_x11_wait_events(ctx->vo, until_time_ns);
+}
+
+const struct ra_ctx_fns ra_ctx_x11_egl = {
+    .type           = "opengl",
+    .name           = "x11egl",
+    .reconfig       = mpegl_reconfig,
+    .control        = mpegl_control,
+    .wakeup         = mpegl_wakeup,
+    .wait_events    = mpegl_wait_events,
+    .init           = mpegl_init,
+    .uninit         = mpegl_uninit,
+};