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-rw-r--r--video/out/opengl/context_wayland.c230
1 files changed, 230 insertions, 0 deletions
diff --git a/video/out/opengl/context_wayland.c b/video/out/opengl/context_wayland.c
new file mode 100644
index 0000000..26c5268
--- /dev/null
+++ b/video/out/opengl/context_wayland.c
@@ -0,0 +1,230 @@
+/*
+ * This file is part of mpv video player.
+ * Copyright © 2013 Alexander Preisinger <alexander.preisinger@gmail.com>
+ *
+ * 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 <wayland-egl.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+#include "video/out/present_sync.h"
+#include "video/out/wayland_common.h"
+#include "context.h"
+#include "egl_helpers.h"
+#include "utils.h"
+
+#define EGL_PLATFORM_WAYLAND_EXT 0x31D8
+
+struct priv {
+ GL gl;
+ EGLDisplay egl_display;
+ EGLContext egl_context;
+ EGLSurface egl_surface;
+ EGLConfig egl_config;
+ struct wl_egl_window *egl_window;
+};
+
+static void resize(struct ra_ctx *ctx)
+{
+ struct priv *p = ctx->priv;
+ struct vo_wayland_state *wl = ctx->vo->wl;
+
+ MP_VERBOSE(wl, "Handling resize on the egl side\n");
+
+ const int32_t width = mp_rect_w(wl->geometry);
+ const int32_t height = mp_rect_h(wl->geometry);
+
+ vo_wayland_set_opaque_region(wl, ctx->opts.want_alpha);
+ if (p->egl_window)
+ wl_egl_window_resize(p->egl_window, width, height, 0, 0);
+
+ wl->vo->dwidth = width;
+ wl->vo->dheight = height;
+
+ vo_wayland_handle_fractional_scale(wl);
+}
+
+static bool wayland_egl_check_visible(struct ra_ctx *ctx)
+{
+ return vo_wayland_check_visible(ctx->vo);
+}
+
+static void wayland_egl_swap_buffers(struct ra_ctx *ctx)
+{
+ struct priv *p = ctx->priv;
+ struct vo_wayland_state *wl = ctx->vo->wl;
+
+ eglSwapBuffers(p->egl_display, p->egl_surface);
+
+ if (!wl->opts->disable_vsync)
+ vo_wayland_wait_frame(wl);
+
+ if (wl->use_present)
+ present_sync_swap(wl->present);
+}
+
+static void wayland_egl_get_vsync(struct ra_ctx *ctx, struct vo_vsync_info *info)
+{
+ struct vo_wayland_state *wl = ctx->vo->wl;
+ if (wl->use_present)
+ present_sync_get_info(wl->present, info);
+}
+
+static bool egl_create_context(struct ra_ctx *ctx)
+{
+ struct priv *p = ctx->priv = talloc_zero(ctx, struct priv);
+ struct vo_wayland_state *wl = ctx->vo->wl;
+
+ if (!(p->egl_display = mpegl_get_display(EGL_PLATFORM_WAYLAND_EXT,
+ "EGL_EXT_platform_wayland",
+ wl->display)))
+ return false;
+
+ if (eglInitialize(p->egl_display, NULL, NULL) != EGL_TRUE)
+ return false;
+
+ if (!mpegl_create_context(ctx, p->egl_display, &p->egl_context,
+ &p->egl_config))
+ return false;
+
+ eglMakeCurrent(p->egl_display, NULL, NULL, p->egl_context);
+
+ mpegl_load_functions(&p->gl, wl->log);
+
+ struct ra_gl_ctx_params params = {
+ .check_visible = wayland_egl_check_visible,
+ .swap_buffers = wayland_egl_swap_buffers,
+ .get_vsync = wayland_egl_get_vsync,
+ };
+
+ if (!ra_gl_ctx_init(ctx, &p->gl, params))
+ return false;
+
+ ra_add_native_resource(ctx->ra, "wl", wl->display);
+
+ return true;
+}
+
+static void egl_create_window(struct ra_ctx *ctx)
+{
+ struct priv *p = ctx->priv;
+ struct vo_wayland_state *wl = ctx->vo->wl;
+
+ p->egl_window = wl_egl_window_create(wl->surface,
+ mp_rect_w(wl->geometry),
+ mp_rect_h(wl->geometry));
+
+ p->egl_surface = mpegl_create_window_surface(
+ p->egl_display, p->egl_config, p->egl_window);
+ if (p->egl_surface == EGL_NO_SURFACE) {
+ p->egl_surface = eglCreateWindowSurface(
+ p->egl_display, p->egl_config, p->egl_window, NULL);
+ }
+
+ eglMakeCurrent(p->egl_display, p->egl_surface, p->egl_surface, p->egl_context);
+ // eglMakeCurrent may not configure the draw or read buffers if the context
+ // has been made current previously. On nvidia GL_NONE is bound because EGL_NO_SURFACE
+ // is used initially and we must bind the read and draw buffers here.
+ if(!p->gl.es) {
+ p->gl.ReadBuffer(GL_BACK);
+ p->gl.DrawBuffer(GL_BACK);
+ }
+
+ eglSwapInterval(p->egl_display, 0);
+}
+
+static bool wayland_egl_reconfig(struct ra_ctx *ctx)
+{
+ struct priv *p = ctx->priv;
+
+ if (!vo_wayland_reconfig(ctx->vo))
+ return false;
+
+ if (!p->egl_window)
+ egl_create_window(ctx);
+
+ return true;
+}
+
+static void wayland_egl_uninit(struct ra_ctx *ctx)
+{
+ struct priv *p = ctx->priv;
+
+ ra_gl_ctx_uninit(ctx);
+
+ if (p->egl_context) {
+ eglReleaseThread();
+ if (p->egl_window)
+ wl_egl_window_destroy(p->egl_window);
+ eglDestroySurface(p->egl_display, p->egl_surface);
+ eglMakeCurrent(p->egl_display, NULL, NULL, EGL_NO_CONTEXT);
+ eglDestroyContext(p->egl_display, p->egl_context);
+ p->egl_context = NULL;
+ }
+ eglTerminate(p->egl_display);
+
+ vo_wayland_uninit(ctx->vo);
+}
+
+static int wayland_egl_control(struct ra_ctx *ctx, int *events, int request,
+ void *data)
+{
+ struct vo_wayland_state *wl = ctx->vo->wl;
+ int r = vo_wayland_control(ctx->vo, events, request, data);
+
+ if (*events & VO_EVENT_RESIZE) {
+ resize(ctx);
+ ra_gl_ctx_resize(ctx->swapchain, wl->vo->dwidth, wl->vo->dheight, 0);
+ }
+
+ return r;
+}
+
+static void wayland_egl_wakeup(struct ra_ctx *ctx)
+{
+ vo_wayland_wakeup(ctx->vo);
+}
+
+static void wayland_egl_wait_events(struct ra_ctx *ctx, int64_t until_time_ns)
+{
+ vo_wayland_wait_events(ctx->vo, until_time_ns);
+}
+
+static void wayland_egl_update_render_opts(struct ra_ctx *ctx)
+{
+ struct vo_wayland_state *wl = ctx->vo->wl;
+ vo_wayland_set_opaque_region(wl, ctx->opts.want_alpha);
+ wl_surface_commit(wl->surface);
+}
+
+static bool wayland_egl_init(struct ra_ctx *ctx)
+{
+ if (!vo_wayland_init(ctx->vo))
+ return false;
+ return egl_create_context(ctx);
+}
+
+const struct ra_ctx_fns ra_ctx_wayland_egl = {
+ .type = "opengl",
+ .name = "wayland",
+ .reconfig = wayland_egl_reconfig,
+ .control = wayland_egl_control,
+ .wakeup = wayland_egl_wakeup,
+ .wait_events = wayland_egl_wait_events,
+ .update_render_opts = wayland_egl_update_render_opts,
+ .init = wayland_egl_init,
+ .uninit = wayland_egl_uninit,
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-19 18:12:07 +0000