From: Rob Clark <robcl...@freedesktop.org>
We can use same Driver hook for these, in addition to
DiscardFramebufferEXT()
Signed-off-by: Rob Clark <robcl...@freedesktop.org>
---
src/mesa/main/fbobject.c | 25 ++++++++++++++++++++++---
1 file changed, 22 insertions(+), 3 deletions(-)
diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index 42eec89..bac10e6 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -4003,9 +4003,28 @@ invalidate_framebuffer_storage(struct gl_context *ctx,
}
}
- /* We don't actually do anything for this yet. Just return after
- * validating the parameters and generating the required errors.
- */
+ if ((x != 0) || (y != 0))
+ return;
+
+ if ((width != fb->Width) || (height != fb->Height))
+ return;
+
+ if (ctx->Driver.DiscardTexture) {
+ for (i = 0; i < numAttachments; i++) {
+ struct gl_renderbuffer_attachment *att;
+
+ if (_mesa_is_user_fbo(fb))
+ att = get_attachment(ctx, fb, attachments[i]);
+ else /* winsys_fbo */
+ att = _mesa_get_fb0_attachment(ctx, fb, attachments[i]);
+
+ if (!att)
+ continue;
+
+ ctx->Driver.DiscardTexture(ctx, fb, att);
+ }
+ }
+
return;
invalid_enum:
--
2.4.3
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