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Request a high priority EGL context

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emersion 2018-06-03 09:53:03 +01:00
parent 32f9699359
commit cbfe0e834a
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GPG key ID: 0FDE7BE0E88F5E48
2 changed files with 42 additions and 12 deletions
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1
include/wlr/render/egl.h
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@ -21,6 +21,7 @@ struct wlr_egl {
bool dmabuf_import; bool dmabuf_import;
bool dmabuf_import_modifiers; bool dmabuf_import_modifiers;
bool bind_wayland_display; bool bind_wayland_display;
bool context_priority;
} egl_exts; } egl_exts;
struct wl_display *wl_display; struct wl_display *wl_display;

53
render/egl.c
View file

@ -144,17 +144,6 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
goto error; goto error;
} }
static const EGLint attribs[] = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE};
egl->context = eglCreateContext(egl->display, egl->config,
EGL_NO_CONTEXT, attribs);
if (egl->context == EGL_NO_CONTEXT) {
wlr_log(L_ERROR, "Failed to create EGL context");
goto error;
}
eglMakeCurrent(egl->display, EGL_NO_SURFACE, EGL_NO_SURFACE, egl->context);
egl->exts_str = eglQueryString(egl->display, EGL_EXTENSIONS); egl->exts_str = eglQueryString(egl->display, EGL_EXTENSIONS);
wlr_log(L_INFO, "Using EGL %d.%d", (int)major, (int)minor); wlr_log(L_INFO, "Using EGL %d.%d", (int)major, (int)minor);
@ -177,10 +166,50 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
egl->egl_exts.dmabuf_import_modifiers = egl->egl_exts.dmabuf_import_modifiers =
check_egl_ext(egl->exts_str, "EGL_EXT_image_dma_buf_import_modifiers") check_egl_ext(egl->exts_str, "EGL_EXT_image_dma_buf_import_modifiers")
&& eglQueryDmaBufFormatsEXT && eglQueryDmaBufModifiersEXT; && eglQueryDmaBufFormatsEXT && eglQueryDmaBufModifiersEXT;
print_dmabuf_formats(egl);
egl->egl_exts.bind_wayland_display = egl->egl_exts.bind_wayland_display =
check_egl_ext(egl->exts_str, "EGL_WL_bind_wayland_display"); check_egl_ext(egl->exts_str, "EGL_WL_bind_wayland_display");
print_dmabuf_formats(egl);
egl->egl_exts.context_priority =
check_egl_ext(egl->exts_str, "EGL_IMG_context_priority");
size_t atti = 0;
EGLint attribs[5];
attribs[atti++] = EGL_CONTEXT_CLIENT_VERSION;
attribs[atti++] = 2;
// Try to reschedule all of our rendering to be completed first. If it
// fails, it will fallback to the default priority (MEDIUM).
if (egl->egl_exts.context_priority) {
attribs[atti++] = EGL_CONTEXT_PRIORITY_LEVEL_IMG;
attribs[atti++] = EGL_CONTEXT_PRIORITY_HIGH_IMG;
}
attribs[atti++] = EGL_NONE;
assert(atti < sizeof(attribs)/sizeof(attribs[0]));
egl->context = eglCreateContext(egl->display, egl->config,
EGL_NO_CONTEXT, attribs);
if (egl->context == EGL_NO_CONTEXT) {
wlr_log(L_ERROR, "Failed to create EGL context");
goto error;
}
if (egl->egl_exts.context_priority) {
EGLint priority = EGL_CONTEXT_PRIORITY_MEDIUM_IMG;
eglQueryContext(egl->display, egl->context,
EGL_CONTEXT_PRIORITY_LEVEL_IMG, &priority);
if (priority != EGL_CONTEXT_PRIORITY_HIGH_IMG) {
wlr_log(L_INFO, "Failed to obtain a high priority context");
}
}
if (!eglMakeCurrent(egl->display, EGL_NO_SURFACE, EGL_NO_SURFACE,
egl->context)) {
wlr_log(L_ERROR, "Failed to make EGL context current");
goto error;
}
return true; return true;