mirror of https://github.com/mpv-player/mpv
vo_opengl: angle: enable DirectComposition
This avoids a copy of the video image and lowers vsync jitter. Since there are now two options to add to the window_attribs list, it has been made dynamic.
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@ -158,6 +158,10 @@ static int angle_init(struct MPGLContext *ctx, int flags)
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goto fail;
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}
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const char *exts = eglQueryString(p->egl_display, EGL_EXTENSIONS);
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if (exts)
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MP_DBG(ctx->vo, "EGL extensions: %s\n", exts);
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eglBindAPI(EGL_OPENGL_ES_API);
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if (eglGetError() != EGL_SUCCESS) {
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MP_FATAL(vo, "Couldn't bind GLES API\n");
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@ -168,24 +172,37 @@ static int angle_init(struct MPGLContext *ctx, int flags)
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if (!config)
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goto fail;
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int window_attribs_len = 0;
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EGLint *window_attribs = NULL;
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EGLint window_attribs_flip[] = {
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EGL_SURFACE_ORIENTATION_ANGLE, EGL_SURFACE_ORIENTATION_INVERT_Y_ANGLE,
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EGL_NONE
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};
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EGLint flip_val;
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if (eglGetConfigAttrib(p->egl_display, config,
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EGL_OPTIMAL_SURFACE_ORIENTATION_ANGLE, &flip_val))
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{
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if (flip_val == EGL_SURFACE_ORIENTATION_INVERT_Y_ANGLE) {
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window_attribs = window_attribs_flip;
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MP_TARRAY_APPEND(NULL, window_attribs, window_attribs_len,
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EGL_SURFACE_ORIENTATION_ANGLE);
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MP_TARRAY_APPEND(NULL, window_attribs, window_attribs_len,
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EGL_SURFACE_ORIENTATION_INVERT_Y_ANGLE);
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ctx->flip_v = true;
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MP_VERBOSE(vo, "Rendering flipped.\n");
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}
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}
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// EGL_DIRECT_COMPOSITION_ANGLE enables the use of flip-mode present, which
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// avoids a copy of the video image and lowers vsync jitter, though the
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// extension is only present on Windows 8 and up.
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if (strstr(exts, "EGL_ANGLE_direct_composition")) {
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MP_TARRAY_APPEND(NULL, window_attribs, window_attribs_len,
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EGL_DIRECT_COMPOSITION_ANGLE);
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MP_TARRAY_APPEND(NULL, window_attribs, window_attribs_len, EGL_TRUE);
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MP_VERBOSE(vo, "Using DirectComposition.\n");
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}
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MP_TARRAY_APPEND(NULL, window_attribs, window_attribs_len, EGL_NONE);
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p->egl_surface = eglCreateWindowSurface(p->egl_display, config,
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vo_w32_hwnd(vo), window_attribs);
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talloc_free(window_attribs);
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if (p->egl_surface == EGL_NO_SURFACE) {
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MP_FATAL(ctx->vo, "Could not create EGL surface!\n");
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goto fail;
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@ -199,11 +216,6 @@ static int angle_init(struct MPGLContext *ctx, int flags)
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}
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mpgl_load_functions(ctx->gl, get_proc_address, NULL, vo->log);
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const char *exts = eglQueryString(p->egl_display, EGL_EXTENSIONS);
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if (exts)
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MP_DBG(ctx->vo, "EGL extensions: %s\n", exts);
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return 0;
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fail:
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