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context_drm_egl: Use eglGetPlatformDisplayEXT if available 

Check if eglGetPlatformDisplayEXT is available and try to
use it to obtain the display connection. Fall back to eglGetDisplay
if eglGetPlatformDisplayEXT is not available or failing.

From PR #5992
This commit is contained in:
memeka 2018-08-04 21:33:35 +09:30 committed by Anton Kindestam
parent 31a39334a2
commit 0bdcbd75e0
1 changed files with 20 additions and 1 deletions
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21
video/out/opengl/context_drm_egl.c
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@ -180,11 +180,30 @@ static int match_config_to_visual(void *user_data, EGLConfig *configs, int num_c
return -1; return -1;
} }
static EGLDisplay egl_get_display(struct gbm_device *gbm_device)
{
const char *ext = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
if (ext) {
PFNEGLGETPLATFORMDISPLAYEXTPROC get_platform_display = NULL;
get_platform_display = (void *) eglGetProcAddress("eglGetPlatformDisplayEXT");
if (get_platform_display && strstr(ext, "EGL_MESA_platform_gbm"))
return get_platform_display(EGL_PLATFORM_GBM_MESA, gbm_device, NULL);
if (get_platform_display && strstr(ext, "EGL_KHR_platform_gbm"))
return get_platform_display(EGL_PLATFORM_GBM_KHR, gbm_device, NULL);
}
return eglGetDisplay(gbm_device);
}
static bool init_egl(struct ra_ctx *ctx) static bool init_egl(struct ra_ctx *ctx)
{ {
struct priv *p = ctx->priv; struct priv *p = ctx->priv;
MP_VERBOSE(ctx, "Initializing EGL\n"); MP_VERBOSE(ctx, "Initializing EGL\n");
p->egl.display = eglGetDisplay(p->gbm.device); p->egl.display = egl_get_display(p->gbm.device);
if (p->egl.display == EGL_NO_DISPLAY) { if (p->egl.display == EGL_NO_DISPLAY) {
MP_ERR(ctx, "Failed to get EGL display.\n"); MP_ERR(ctx, "Failed to get EGL display.\n");
return false; return false;