diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/main/fbobject.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c index 8290ea94dfc..87c33be7854 100644 --- a/src/mesa/main/fbobject.c +++ b/src/mesa/main/fbobject.c @@ -4691,6 +4691,29 @@ discard_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb, if (!att) continue; + /* If we're asked to invalidate just depth or just stencil, but the + * attachment is packed depth/stencil, then we can only use + * Driver.DiscardFramebuffer if the attachments list includes both depth + * and stencil and they both point at the same renderbuffer. + */ + if ((attachments[i] == GL_DEPTH_ATTACHMENT || + attachments[i] == GL_STENCIL_ATTACHMENT) && + (!att->Renderbuffer || + att->Renderbuffer->_BaseFormat == GL_DEPTH_STENCIL)) { + GLenum other_format = (attachments[i] == GL_DEPTH_ATTACHMENT ? + GL_STENCIL_ATTACHMENT : GL_DEPTH_ATTACHMENT); + bool has_both = false; + for (int j = 0; j < numAttachments; j++) { + if (attachments[j] == other_format) + has_both = true; + break; + } + + if (fb->Attachment[BUFFER_DEPTH].Renderbuffer != + fb->Attachment[BUFFER_STENCIL].Renderbuffer || !has_both) + continue; + } + ctx->Driver.DiscardFramebuffer(ctx, fb, att); } } |