diff options
| author | Kenneth Graunke <[email protected]> | 2017-10-26 11:44:09 -0700 |
|---|---|---|
| committer | Kenneth Graunke <[email protected]> | 2017-10-27 10:19:07 -0700 |
| commit | 4f538c3f99b25dc96cd20314ce7785fd4d333be1 (patch) | |
| tree | f5c9dff59cca0002f77b8f353c4827d64852c00f | |
| parent | 7a718667f354935dc8470380f37ccea1477632d0 (diff) | |
mesa: Accept GL_BACK in get_fb0_attachment with ARB_ES3_1_compatibility.
According to the ARB_ES3_1_compatibility specification,
glGetFramebufferAttachmentParameteriv is supposed to accept BACK,
and it behaves exactly like BACK_LEFT.
Fixes a GL error in GFXBench 5 Aztec Ruins.
Cc: "17.3 17.2" <[email protected]>
Reviewed-by: Tapani Pälli <[email protected]>
| -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]; |