From 77db3e99ddc3ec8870b2a6dcf23fa9459cefa4b6 Mon Sep 17 00:00:00 2001
From: Faith Ekstrand <faith.ekstrand@collabora.com>
Date: Mon, 30 Jan 2023 20:11:54 -0600
Subject: [PATCH] nil: Add more format support helpers

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24326>
---
 src/nouveau/nil/nil_format.c | 66 ++++++++++++++++++++++++++++++++++++++++++++
 src/nouveau/nil/nil_format.h | 18 ++++++++++++
 2 files changed, 84 insertions(+)

diff --git a/src/nouveau/nil/nil_format.c b/src/nouveau/nil/nil_format.c
index 529617f..17df593 100644
--- a/src/nouveau/nil/nil_format.c
+++ b/src/nouveau/nil/nil_format.c
@@ -1,7 +1,10 @@
 #include "nil_format.h"
 
+#include "nouveau_device.h"
+
 #include "cl9097.h"
 #include "cl9097tex.h"
+#include "cla297.h"
 #include "clb097tex.h"
 
 enum nil_format_support_flags {
@@ -352,6 +355,51 @@ static const struct nil_format_info nil_format_infos[PIPE_FORMAT_COUNT] =
 };
 
 bool
+nil_format_supports_texturing(struct nouveau_ws_device *dev,
+                              enum pipe_format format)
+{
+   assert(format < PIPE_FORMAT_COUNT);
+   const struct nil_format_info *fmt = &nil_format_infos[format];
+   if (!(fmt->support & NIL_FORMAT_SUPPORTS_TEXTURE_BIT))
+      return false;
+
+   const struct util_format_description *desc = util_format_description(format);
+   if (desc->layout == UTIL_FORMAT_LAYOUT_ETC ||
+       desc->layout == UTIL_FORMAT_LAYOUT_ASTC) {
+      return dev->device_type == NOUVEAU_WS_DEVICE_TYPE_SOC &&
+             dev->cls_eng3d >= KEPLER_C;
+   }
+
+   return true;
+}
+
+bool
+nil_format_supports_filtering(struct nouveau_ws_device *dev,
+                              enum pipe_format format)
+{
+   return nil_format_supports_texturing(dev, format) &&
+          !util_format_is_pure_integer(format);
+}
+
+bool
+nil_format_supports_buffer(struct nouveau_ws_device *dev,
+                           enum pipe_format format)
+{
+   assert(format < PIPE_FORMAT_COUNT);
+   const struct nil_format_info *fmt = &nil_format_infos[format];
+   return fmt->support & NIL_FORMAT_SUPPORTS_BUFFER_BIT;
+}
+
+bool
+nil_format_supports_storage(struct nouveau_ws_device *dev,
+                            enum pipe_format format)
+{
+   assert(format < PIPE_FORMAT_COUNT);
+   const struct nil_format_info *fmt = &nil_format_infos[format];
+   return fmt->support & NIL_FORMAT_SUPPORTS_STORAGE_BIT;
+}
+
+bool
 nil_format_supports_color_targets(struct nouveau_ws_device *dev,
                                   enum pipe_format format)
 {
@@ -360,6 +408,24 @@ nil_format_supports_color_targets(struct nouveau_ws_device *dev,
    return fmt->support & NIL_FORMAT_SUPPORTS_RENDER_BIT;
 }
 
+bool
+nil_format_supports_blending(struct nouveau_ws_device *dev,
+                             enum pipe_format format)
+{
+   assert(format < PIPE_FORMAT_COUNT);
+   const struct nil_format_info *fmt = &nil_format_infos[format];
+   return fmt->support & NIL_FORMAT_SUPPORTS_BLEND_BIT;
+}
+
+bool
+nil_format_supports_depth_stencil(struct nouveau_ws_device *dev,
+                                  enum pipe_format format)
+{
+   assert(format < PIPE_FORMAT_COUNT);
+   const struct nil_format_info *fmt = &nil_format_infos[format];
+   return fmt->support & NIL_FORMAT_SUPPORTS_DEPTH_STENCIL_BIT;
+}
+
 uint8_t
 nil_format_to_color_target(enum pipe_format format)
 {
diff --git a/src/nouveau/nil/nil_format.h b/src/nouveau/nil/nil_format.h
index acd6ee0..b4ea355 100644
--- a/src/nouveau/nil/nil_format.h
+++ b/src/nouveau/nil/nil_format.h
@@ -11,9 +11,27 @@ struct nouveau_ws_device;
 
 /* We don't have our own format enum; we use PIPE_FORMAT for everything */
 
+bool nil_format_supports_texturing(struct nouveau_ws_device *dev,
+                                   enum pipe_format format);
+
+bool nil_format_supports_filtering(struct nouveau_ws_device *dev,
+                                   enum pipe_format format);
+
+bool nil_format_supports_buffer(struct nouveau_ws_device *dev,
+                                enum pipe_format format);
+
+bool nil_format_supports_storage(struct nouveau_ws_device *dev,
+                                 enum pipe_format format);
+
 bool nil_format_supports_color_targets(struct nouveau_ws_device *dev,
                                        enum pipe_format format);
 
+bool nil_format_supports_blending(struct nouveau_ws_device *dev,
+                                  enum pipe_format format);
+
+bool nil_format_supports_depth_stencil(struct nouveau_ws_device *dev,
+                                       enum pipe_format format);
+
 uint8_t nil_format_to_color_target(enum pipe_format format);
 
 uint8_t nil_format_to_depth_stencil(enum pipe_format format);
-- 
2.7.4