ilo: add HiZ op support to the pipelines

Add blitter functions to perform Depth Buffer Clear, Depth Buffer Resolve, and
Hierarchical Depth Buffer Resolve.  Those functions set ilo_blitter up and
pass it to the pipelines to emit the commands.

1 files changed, 68 insertions, 2 deletions

diff --git a/src/gallium/drivers/ilo/ilo_blitter.h b/src/gallium/drivers/ilo/ilo_blitter.h
index 6a2a0d7022e..c2c86c04e90 100644
--- a/src/gallium/drivers/ilo/ilo_blitter.h
+++ b/src/gallium/drivers/ilo/ilo_blitter.h
@@ -29,14 +29,64 @@
 #define ILO_BLITTER_H
 
 #include "ilo_common.h"
+#include "ilo_context.h"
+#include "ilo_gpe.h"
+
+enum ilo_blitter_uses {
+   ILO_BLITTER_USE_DSA           = 1 << 0,
+   ILO_BLITTER_USE_CC            = 1 << 1,
+   ILO_BLITTER_USE_VIEWPORT      = 1 << 2,
+   ILO_BLITTER_USE_FB_DEPTH      = 1 << 3,
+   ILO_BLITTER_USE_FB_STENCIL    = 1 << 4,
+};
+
+enum ilo_blitter_rectlist_op {
+   ILO_BLITTER_RECTLIST_CLEAR_ZS,
+   ILO_BLITTER_RECTLIST_RESOLVE_Z,
+   ILO_BLITTER_RECTLIST_RESOLVE_HIZ,
+};
 
-struct ilo_context;
 struct blitter_context;
+struct pipe_resource;
+struct pipe_surface;
 
 struct ilo_blitter {
    struct ilo_context *ilo;
-
    struct blitter_context *pipe_blitter;
+
+   /*
+    * A minimal context with the goal to send RECTLISTs down the pipeline.
+    */
+   enum ilo_blitter_rectlist_op op;
+   uint32_t uses;
+
+   bool initialized;
+
+   struct {
+      struct pipe_resource *res;
+      unsigned offset, size;
+   } buffer;
+
+   struct ilo_ve_state ve;
+   struct ilo_vb_state vb;
+   struct pipe_draw_info draw;
+
+   struct ilo_viewport_cso viewport;
+   struct ilo_dsa_state dsa;
+
+   struct {
+      struct pipe_stencil_ref stencil_ref;
+      ubyte alpha_ref;
+      struct pipe_blend_color blend_color;
+   } cc;
+
+   uint32_t depth_clear_value;
+
+   struct {
+      struct ilo_surface_cso dst;
+      unsigned width, height;
+      unsigned num_samples;
+   } fb;
 };
 
 struct ilo_blitter *
@@ -99,4 +149,20 @@ ilo_blitter_blt_clear_zs(struct ilo_blitter *blitter,
                          unsigned x, unsigned y,
                          unsigned width, unsigned height);
 
+bool
+ilo_blitter_rectlist_clear_zs(struct ilo_blitter *blitter,
+                              struct pipe_surface *zs,
+                              unsigned clear_flags,
+                              double depth, unsigned stencil);
+
+void
+ilo_blitter_rectlist_resolve_z(struct ilo_blitter *blitter,
+                               struct pipe_resource *res,
+                               unsigned level, unsigned slice);
+
+void
+ilo_blitter_rectlist_resolve_hiz(struct ilo_blitter *blitter,
+                                 struct pipe_resource *res,
+                                 unsigned level, unsigned slice);
+
 #endif /* ILO_BLITTER_H */