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-rw-r--r--src/mesa/drivers/dri/i965/brw_draw.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_draw.c b/src/mesa/drivers/dri/i965/brw_draw.c
index 35196a7e1a0..bf3c95cbebc 100644
--- a/src/mesa/drivers/dri/i965/brw_draw.c
+++ b/src/mesa/drivers/dri/i965/brw_draw.c
@@ -355,6 +355,28 @@ brw_predraw_resolve_buffers(struct brw_context *brw)
}
}
+/**
+ * \brief Call this after drawing to mark which buffers need resolving
+ *
+ * If the depth buffer was written to and if it has an accompanying HiZ
+ * buffer, then mark that it needs a depth resolve.
+ *
+ * (In the future, this will also mark needed MSAA resolves).
+ */
+static void brw_postdraw_set_buffers_need_resolve(struct brw_context *brw)
+{
+ struct gl_context *ctx = &brw->intel.ctx;
+ struct gl_framebuffer *fb = ctx->DrawBuffer;
+ struct intel_renderbuffer *depth_irb =
+ intel_get_renderbuffer(fb, BUFFER_DEPTH);
+
+ if (depth_irb &&
+ ctx->Depth.Mask &&
+ !brw->hiz.op) {
+ intel_renderbuffer_set_needs_depth_resolve(depth_irb);
+ }
+}
+
/* May fail if out of video memory for texture or vbo upload, or on
* fallback conditions.
*/
@@ -483,6 +505,7 @@ retry:
out:
brw_state_cache_check_size(brw);
+ brw_postdraw_set_buffers_need_resolve(brw);
return retval;
}