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https://github.com/mpv-player/mpv
synced 2024-12-23 15:22:09 +00:00
wayland/egl: add egl_context to the wayland state
At the moment there are visual glitches when we resize the window. This happens because in wayland there a special function for resizing EGL windows. To prevent the glitches move the egl_context to the wayland state in wayland_common.h and add a new control function to gl_wayland.c to wrap the vo_wayland_control function to check for resize events. With the new control wrapper the glitches are gone and the resizing is fluid.
This commit is contained in:
Alexander Preisinger
parent
f5565f33c7
commit
17b52cc4a9
@ -16,27 +16,10 @@
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* with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <wayland-egl.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include "wayland_common.h"
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#include "gl_common.h"
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struct egl_context {
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EGLSurface egl_surface;
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struct wl_egl_window *egl_window;
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struct {
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EGLDisplay dpy;
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EGLContext ctx;
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EGLConfig conf;
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} egl;
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};
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static void egl_resize(struct vo_wayland_state *wl,
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struct egl_context *ctx)
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static void egl_resize(struct vo_wayland_state *wl)
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{
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int32_t x = wl->window.sh_x;
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int32_t y = wl->window.sh_y;
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@ -45,7 +28,7 @@ static void egl_resize(struct vo_wayland_state *wl,
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// get the real size of the window
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// this improves moving the window while resizing it
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wl_egl_window_get_attached_size(ctx->egl_window,
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wl_egl_window_get_attached_size(wl->egl_context.egl_window,
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&wl->window.width,
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&wl->window.height);
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@ -60,7 +43,7 @@ static void egl_resize(struct vo_wayland_state *wl,
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if (y != 0)
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y = wl->window.height - height;
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wl_egl_window_resize(ctx->egl_window, width, height, x, y);
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wl_egl_window_resize(wl->egl_context.egl_window, width, height, x, y);
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wl->window.width = width;
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wl->window.height = height;
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@ -74,7 +57,6 @@ static void egl_resize(struct vo_wayland_state *wl,
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}
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static bool egl_create_context(struct vo_wayland_state *wl,
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struct egl_context *egl_ctx,
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MPGLContext *ctx,
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bool enable_alpha)
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{
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@ -83,7 +65,7 @@ static bool egl_create_context(struct vo_wayland_state *wl,
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GL *gl = ctx->gl;
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const char *eglstr = "";
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if (!(egl_ctx->egl.dpy = eglGetDisplay(wl->display.display)))
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if (!(wl->egl_context.egl.dpy = eglGetDisplay(wl->display.display)))
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return false;
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EGLint config_attribs[] = {
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@ -98,7 +80,7 @@ static bool egl_create_context(struct vo_wayland_state *wl,
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};
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/* major and minor here returns the supported EGL version (e.g.: 1.4) */
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if (eglInitialize(egl_ctx->egl.dpy, &major, &minor) != EGL_TRUE)
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if (eglInitialize(wl->egl_context.egl.dpy, &major, &minor) != EGL_TRUE)
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return false;
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MP_VERBOSE(wl, "EGL version %d.%d\n", major, minor);
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@ -112,30 +94,30 @@ static bool egl_create_context(struct vo_wayland_state *wl,
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if (eglBindAPI(EGL_OPENGL_API) != EGL_TRUE)
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return false;
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eglChooseConfig(egl_ctx->egl.dpy, config_attribs,
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&egl_ctx->egl.conf, 1, &n);
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eglChooseConfig(wl->egl_context.egl.dpy, config_attribs,
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&wl->egl_context.egl.conf, 1, &n);
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egl_ctx->egl.ctx = eglCreateContext(egl_ctx->egl.dpy,
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egl_ctx->egl.conf,
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EGL_NO_CONTEXT,
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context_attribs);
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if (!egl_ctx->egl.ctx) {
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wl->egl_context.egl.ctx = eglCreateContext(wl->egl_context.egl.dpy,
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wl->egl_context.egl.conf,
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EGL_NO_CONTEXT,
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context_attribs);
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if (!wl->egl_context.egl.ctx) {
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/* fallback to any GL version */
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MP_WARN(wl, "can't create context for requested OpenGL version: "
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"fall back to any version available");
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context_attribs[0] = EGL_NONE;
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egl_ctx->egl.ctx = eglCreateContext(egl_ctx->egl.dpy,
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egl_ctx->egl.conf,
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EGL_NO_CONTEXT,
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context_attribs);
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wl->egl_context.egl.ctx = eglCreateContext(wl->egl_context.egl.dpy,
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wl->egl_context.egl.conf,
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EGL_NO_CONTEXT,
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context_attribs);
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if (!egl_ctx->egl.ctx)
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if (!wl->egl_context.egl.ctx)
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return false;
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}
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eglMakeCurrent(egl_ctx->egl.dpy, NULL, NULL, egl_ctx->egl.ctx);
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eglMakeCurrent(wl->egl_context.egl.dpy, NULL, NULL, wl->egl_context.egl.ctx);
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eglstr = eglQueryString(egl_ctx->egl.dpy, EGL_EXTENSIONS);
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eglstr = eglQueryString(wl->egl_context.egl.dpy, EGL_EXTENSIONS);
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mpgl_load_functions(gl, (void*(*)(const GLubyte*))eglGetProcAddress, eglstr,
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wl->log);
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@ -146,23 +128,22 @@ static bool egl_create_context(struct vo_wayland_state *wl,
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}
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static void egl_create_window(struct vo_wayland_state *wl,
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struct egl_context *egl_ctx,
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uint32_t width,
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uint32_t height)
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{
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egl_ctx->egl_window = wl_egl_window_create(wl->window.surface,
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wl->window.width,
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wl->window.height);
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wl->egl_context.egl_window = wl_egl_window_create(wl->window.surface,
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wl->window.width,
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wl->window.height);
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egl_ctx->egl_surface = eglCreateWindowSurface(egl_ctx->egl.dpy,
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egl_ctx->egl.conf,
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egl_ctx->egl_window,
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NULL);
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wl->egl_context.egl_surface = eglCreateWindowSurface(wl->egl_context.egl.dpy,
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wl->egl_context.egl.conf,
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wl->egl_context.egl_window,
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NULL);
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eglMakeCurrent(egl_ctx->egl.dpy,
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egl_ctx->egl_surface,
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egl_ctx->egl_surface,
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egl_ctx->egl.ctx);
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eglMakeCurrent(wl->egl_context.egl.dpy,
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wl->egl_context.egl_surface,
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wl->egl_context.egl_surface,
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wl->egl_context.egl.ctx);
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wl_display_dispatch_pending(wl->display.display);
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}
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@ -172,7 +153,6 @@ static bool config_window_wayland(struct MPGLContext *ctx,
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uint32_t d_height,
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uint32_t flags)
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{
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struct egl_context * egl_ctx = ctx->priv;
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struct vo_wayland_state * wl = ctx->vo->wayland;
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bool enable_alpha = !!(flags & VOFLAG_ALPHA);
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bool ret = false;
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@ -180,23 +160,23 @@ static bool config_window_wayland(struct MPGLContext *ctx,
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if (!vo_wayland_config(ctx->vo, d_width, d_height, flags))
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return false;
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if (!egl_ctx->egl.ctx) {
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if (!wl->egl_context.egl.ctx) {
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/* Create OpenGL context */
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ret = egl_create_context(wl, egl_ctx, ctx, enable_alpha);
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ret = egl_create_context(wl, ctx, enable_alpha);
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/* If successfully created the context and we don't want to hide the
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* window than also create the window immediately */
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if (ret && !(VOFLAG_HIDDEN & flags))
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egl_create_window(wl, egl_ctx, d_width, d_height);
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egl_create_window(wl, d_width, d_height);
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return ret;
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}
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else {
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if (!egl_ctx->egl_window) {
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if (!wl->egl_context.egl_window) {
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/* If the context exists and the hidden flag is unset then
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* create the window */
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if (!(VOFLAG_HIDDEN & flags))
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egl_create_window(wl, egl_ctx, d_width, d_height);
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egl_create_window(wl, d_width, d_height);
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}
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return true;
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}
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@ -205,35 +185,41 @@ static bool config_window_wayland(struct MPGLContext *ctx,
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static void releaseGlContext_wayland(MPGLContext *ctx)
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{
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GL *gl = ctx->gl;
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struct egl_context * egl_ctx = ctx->priv;
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struct vo_wayland_state *wl = ctx->vo->wayland;
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gl->Finish();
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eglMakeCurrent(egl_ctx->egl.dpy, NULL, NULL, EGL_NO_CONTEXT);
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eglDestroyContext(egl_ctx->egl.dpy, egl_ctx->egl.ctx);
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eglTerminate(egl_ctx->egl.dpy);
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eglMakeCurrent(wl->egl_context.egl.dpy, NULL, NULL, EGL_NO_CONTEXT);
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eglDestroyContext(wl->egl_context.egl.dpy, wl->egl_context.egl.ctx);
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eglTerminate(wl->egl_context.egl.dpy);
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eglReleaseThread();
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wl_egl_window_destroy(egl_ctx->egl_window);
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egl_ctx->egl.ctx = NULL;
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wl_egl_window_destroy(wl->egl_context.egl_window);
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wl->egl_context.egl.ctx = NULL;
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}
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static void swapGlBuffers_wayland(MPGLContext *ctx)
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{
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struct egl_context * egl_ctx = ctx->priv;
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struct vo_wayland_state *wl = ctx->vo->wayland;
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eglSwapBuffers(wl->egl_context.egl.dpy, wl->egl_context.egl_surface);
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}
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eglSwapBuffers(egl_ctx->egl.dpy, egl_ctx->egl_surface);
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static int control(struct vo *vo, int *events, int request, void *data)
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{
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struct vo_wayland_state *wl = vo->wayland;
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int r = vo_wayland_control(vo, events, request, data);
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if (wl->window.events & VO_EVENT_RESIZE)
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egl_resize(wl, egl_ctx);
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// NOTE: VO_EVENT_EXPOSE is never returned by the wayland backend
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if (*events & VO_EVENT_RESIZE)
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egl_resize(wl);
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return r;
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}
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void mpgl_set_backend_wayland(MPGLContext *ctx)
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{
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ctx->priv = talloc_zero(ctx, struct egl_context);
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ctx->config_window = config_window_wayland;
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ctx->releaseGlContext = releaseGlContext_wayland;
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ctx->swapGlBuffers = swapGlBuffers_wayland;
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ctx->vo_control = vo_wayland_control;
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ctx->vo_control = control;
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ctx->vo_init = vo_wayland_init;
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ctx->vo_uninit = vo_wayland_uninit;
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}
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@ -27,6 +27,12 @@
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#include "config.h"
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#if HAVE_GL_WAYLAND
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#include <wayland-egl.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#endif
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struct vo;
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struct vo_wayland_output {
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@ -43,6 +49,20 @@ struct vo_wayland_state {
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struct vo *vo;
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struct mp_log* log;
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#if HAVE_GL_WAYLAND
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struct {
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EGLSurface egl_surface;
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struct wl_egl_window *egl_window;
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struct {
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EGLDisplay dpy;
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EGLContext ctx;
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EGLConfig conf;
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} egl;
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} egl_context;
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#endif
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struct {
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int fd;
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struct wl_display *display;
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