diff options
| -rw-r--r-- | src/mesa/main/fbobject.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c index 71e91f9301f..9a2c7ebbcf7 100644 --- a/src/mesa/main/fbobject.c +++ b/src/mesa/main/fbobject.c @@ -330,6 +330,15 @@ get_fb0_attachment(struct gl_context *ctx, struct gl_framebuffer *fb, return &fb->Attachment[BUFFER_BACK_LEFT]; case GL_BACK_RIGHT: return &fb->Attachment[BUFFER_BACK_RIGHT]; + case GL_BACK: + /* The ARB_ES3_1_compatibility spec says: + * + * "Since this command can only query a single framebuffer + * attachment, BACK is equivalent to BACK_LEFT." + */ + if (ctx->Extensions.ARB_ES3_1_compatibility) + return &fb->Attachment[BUFFER_BACK_LEFT]; + return NULL; case GL_AUX0: if (fb->Visual.numAuxBuffers == 1) { return &fb->Attachment[BUFFER_AUX0]; |