vc4: Track clears veresus uncleared draws, and the clear color.

This is a step toward queueing more than one draw per frame.

Fixes piglit attribute0 test, since we get a working clear color now.

1 files changed, 15 insertions, 0 deletions

diff --git a/src/gallium/drivers/vc4/vc4_context.h b/src/gallium/drivers/vc4/vc4_context.h
index 010727ff4de..55746ea3b71 100644
--- a/src/gallium/drivers/vc4/vc4_context.h
+++ b/src/gallium/drivers/vc4/vc4_context.h
@@ -136,6 +136,15 @@ struct vc4_context {
 
         /** bitfield of VC4_DIRTY_* */
         uint32_t dirty;
+        /* Bitmask of PIPE_CLEAR_* of buffers that were cleared before the
+         * first rendering.
+         */
+        uint32_t cleared;
+        /* Bitmask of PIPE_CLEAR_* of buffers that have been rendered to
+         * (either clears or draws).
+         */
+        uint32_t resolve;
+        uint32_t clear_color[2];
 
         /**
          * Set if some drawing (triangles, blits, or just a glClear()) has
@@ -144,6 +153,12 @@ struct vc4_context {
          */
         bool needs_flush;
 
+        /**
+         * Set when needs_flush, and the queued rendering is not just composed
+         * of full-buffer clears.
+         */
+        bool draw_call_queued;
+
         struct primconvert_context *primconvert;
 
         struct util_hash_table *fs_cache, *vs_cache;