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render: correctly set EGL_RENDERABLE_TYPE

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This should be set to EGL_OPENGL_ES2_BIT.

Also fixes EGL config attributes in the headless and X11 backends.
This commit is contained in:
emersion 2018-11-04 09:23:57 +01:00
parent ca570fa63c
commit 09550032b7
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GPG key ID: 0FDE7BE0E88F5E48
3 changed files with 37 additions and 6 deletions
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25
render/wlr_renderer.c
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@ -198,7 +198,30 @@ void wlr_renderer_init_wl_display(struct wlr_renderer *r,
struct wlr_renderer *wlr_renderer_autocreate(struct wlr_egl *egl,
EGLenum platform, void *remote_display, EGLint *config_attribs,
EGLint visual_id) {
if (!wlr_egl_init(egl, platform, remote_display, config_attribs, visual_id)) {
// Append GLES2-specific bits to the provided EGL config attributes
EGLint gles2_config_attribs[] = {
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_NONE,
};
size_t config_attribs_len = 0; // not including terminating EGL_NONE
while (config_attribs != NULL &&
config_attribs[config_attribs_len] != EGL_NONE) {
++config_attribs_len;
}
size_t all_config_attribs_len = config_attribs_len +
sizeof(gles2_config_attribs) / sizeof(gles2_config_attribs[0]);
EGLint all_config_attribs[all_config_attribs_len];
if (config_attribs_len > 0) {
memcpy(all_config_attribs, config_attribs,
config_attribs_len * sizeof(EGLint));
}
memcpy(&all_config_attribs[config_attribs_len], gles2_config_attribs,
sizeof(gles2_config_attribs));
if (!wlr_egl_init(egl, platform, remote_display, all_config_attribs,
visual_id)) {
wlr_log(WLR_ERROR, "Could not initialize EGL");
return NULL;
}