diff options
Diffstat (limited to 'video/out/gl_wayland.c')
-rw-r--r-- | video/out/gl_wayland.c | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/video/out/gl_wayland.c b/video/out/gl_wayland.c new file mode 100644 index 0000000000..d04b17286b --- /dev/null +++ b/video/out/gl_wayland.c @@ -0,0 +1,261 @@ +/* + * MPlayer is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * MPlayer 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with MPlayer; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * You can alternatively redistribute this file 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. + */ + +#include <wayland-egl.h> +#include <EGL/egl.h> +#include <EGL/eglext.h> + +#include "wayland_common.h" +#include "gl_common.h" + +struct egl_context { + EGLSurface egl_surface; + + struct wl_egl_window *egl_window; + + struct { + EGLDisplay dpy; + EGLContext ctx; + EGLConfig conf; + } egl; +}; + +static void egl_resize_func(struct vo_wayland_state *wl, + struct egl_context *ctx) +{ + int32_t x, y, scaled_height; + double ratio; + int minimum_size = 50; + + if (wl->window->pending_width < minimum_size) + wl->window->pending_width = minimum_size; + if (wl->window->pending_height < minimum_size) + wl->window->pending_height = minimum_size; + + ratio = (double) wl->vo->aspdat.orgw / wl->vo->aspdat.orgh; + scaled_height = wl->window->pending_height * ratio; + if (wl->window->pending_width > scaled_height) { + wl->window->pending_height = wl->window->pending_width / ratio; + } else { + wl->window->pending_width = scaled_height; + } + + if (wl->window->edges & WL_SHELL_SURFACE_RESIZE_LEFT) + x = wl->window->width - wl->window->pending_width; + else + x = 0; + + if (wl->window->edges & WL_SHELL_SURFACE_RESIZE_TOP) + y = wl->window->height - wl->window->pending_height; + else + y = 0; + + wl_egl_window_resize(ctx->egl_window, + wl->window->pending_width, + wl->window->pending_height, + x, y); + + wl->window->width = wl->window->pending_width; + wl->window->height = wl->window->pending_height; + + /* set size for mplayer */ + wl->vo->dwidth = wl->window->pending_width; + wl->vo->dheight = wl->window->pending_height; + wl->window->events |= VO_EVENT_RESIZE; + wl->window->edges = 0; + wl->window->resize_needed = 0; +} + +static bool egl_create_context(struct vo_wayland_state *wl, + struct egl_context *egl_ctx, + MPGLContext *ctx, + bool enable_alpha) +{ + EGLint major, minor, n; + + GL *gl = ctx->gl; + const char *eglstr = ""; + + if (!(egl_ctx->egl.dpy = eglGetDisplay(wl->display->display))) + return false; + + EGLint config_attribs[] = { + EGL_SURFACE_TYPE, EGL_WINDOW_BIT, + EGL_RED_SIZE, 1, + EGL_GREEN_SIZE, 1, + EGL_BLUE_SIZE, 1, + EGL_ALPHA_SIZE, enable_alpha, + EGL_DEPTH_SIZE, 1, + EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, + EGL_NONE + }; + + /* major and minor here returns the supported EGL version (e.g.: 1.4) */ + if (eglInitialize(egl_ctx->egl.dpy, &major, &minor) != EGL_TRUE) + return false; + + EGLint context_attribs[] = { + EGL_CONTEXT_MAJOR_VERSION_KHR, + MPGL_VER_GET_MAJOR(ctx->requested_gl_version), + /* EGL_CONTEXT_MINOR_VERSION_KHR, */ + /* MPGL_VER_GET_MINOR(ctx->requested_gl_version), */ + /* EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR, 0, */ + /* Segfaults on anything else than the major version */ + EGL_NONE + }; + + if (eglBindAPI(EGL_OPENGL_API) != EGL_TRUE) + return false; + + eglChooseConfig(egl_ctx->egl.dpy, config_attribs, + &egl_ctx->egl.conf, 1, &n); + + egl_ctx->egl.ctx = eglCreateContext(egl_ctx->egl.dpy, + egl_ctx->egl.conf, + EGL_NO_CONTEXT, + context_attribs); + if (!egl_ctx->egl.ctx) + return false; + + eglMakeCurrent(egl_ctx->egl.dpy, NULL, NULL, egl_ctx->egl.ctx); + + eglstr = eglQueryString(egl_ctx->egl.dpy, EGL_EXTENSIONS); + + mpgl_load_functions(gl, (void*(*)(const GLubyte*))eglGetProcAddress, eglstr); + if (!gl->BindProgram) + mpgl_load_functions(gl, NULL, eglstr); + + return true; +} + +static void egl_create_window(struct vo_wayland_state *wl, + struct egl_context *egl_ctx, + uint32_t width, + uint32_t height) +{ + egl_ctx->egl_window = wl_egl_window_create(wl->window->surface, + wl->window->width, + wl->window->height); + + egl_ctx->egl_surface = eglCreateWindowSurface(egl_ctx->egl.dpy, + egl_ctx->egl.conf, + egl_ctx->egl_window, + NULL); + + eglMakeCurrent(egl_ctx->egl.dpy, + egl_ctx->egl_surface, + egl_ctx->egl_surface, + egl_ctx->egl.ctx); + + wl_display_dispatch_pending(wl->display->display); +} + +static bool config_window_wayland(struct MPGLContext *ctx, + uint32_t d_width, + uint32_t d_height, + uint32_t flags) +{ + struct egl_context * egl_ctx = ctx->priv; + struct vo_wayland_state * wl = ctx->vo->wayland; + bool enable_alpha = !!(flags & VOFLAG_ALPHA); + bool ret = false; + + wl->window->pending_width = d_width; + wl->window->pending_height = d_height; + wl->window->width = d_width; + wl->window->height = d_height; + + vo_wayland_update_window_title(ctx->vo); + + if ((VOFLAG_FULLSCREEN & flags) && wl->window->type != TYPE_FULLSCREEN) + vo_wayland_fullscreen(ctx->vo); + + if (!egl_ctx->egl.ctx) { + /* Create OpenGL context */ + ret = egl_create_context(wl, egl_ctx, ctx, enable_alpha); + + /* If successfully created the context and we don't want to hide the + * window than also create the window immediately */ + if (ret && !(VOFLAG_HIDDEN & flags)) + egl_create_window(wl, egl_ctx, d_width, d_height); + + return ret; + } + else { + /* If the window exists just resize it */ + if (egl_ctx->egl_window) + egl_resize_func(wl, egl_ctx); + + else { + /* If the context exists and the hidden flag is unset then + * create the window */ + if (!(VOFLAG_HIDDEN & flags)) + egl_create_window(wl, egl_ctx, d_width, d_height); + } + return true; + } +} + +static void releaseGlContext_wayland(MPGLContext *ctx) +{ + GL *gl = ctx->gl; + struct egl_context * egl_ctx = ctx->priv; + + gl->Finish(); + eglMakeCurrent(egl_ctx->egl.dpy, NULL, NULL, EGL_NO_CONTEXT); + eglDestroyContext(egl_ctx->egl.dpy, egl_ctx->egl.ctx); + eglTerminate(egl_ctx->egl.dpy); + eglReleaseThread(); + wl_egl_window_destroy(egl_ctx->egl_window); + egl_ctx->egl.ctx = NULL; +} + +static void swapGlBuffers_wayland(MPGLContext *ctx) +{ + struct egl_context * egl_ctx = ctx->priv; + struct vo_wayland_state *wl = ctx->vo->wayland; + + eglSwapBuffers(egl_ctx->egl.dpy, egl_ctx->egl_surface); + + /* resize window after the buffers have swapped + * makes resizing more fluid */ + if (wl->window->resize_needed) { + wl_egl_window_get_attached_size(egl_ctx->egl_window, + &wl->window->width, + &wl->window->height); + egl_resize_func(wl, egl_ctx); + } +} + +void mpgl_set_backend_wayland(MPGLContext *ctx) +{ + ctx->priv = talloc_zero(ctx, struct egl_context); + ctx->config_window = config_window_wayland; + ctx->releaseGlContext = releaseGlContext_wayland; + ctx->swapGlBuffers = swapGlBuffers_wayland; + ctx->update_xinerama_info = vo_wayland_update_screeninfo; + ctx->border = vo_wayland_border; + ctx->check_events = vo_wayland_check_events; + ctx->fullscreen = vo_wayland_fullscreen; + ctx->ontop = vo_wayland_ontop; + ctx->vo_init = vo_wayland_init; + ctx->vo_uninit = vo_wayland_uninit; +} |