panfrost: Move pan_afbc.c to root

Now that PIPE formats are shared across Mesa, this well-documented piece
of code is a good fit for root panfrost, let's move it and get a little
closer to taming the mess of resources.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3858>

src/gallium/drivers/panfrost/meson.build

@@ -30,7 +30,6 @@ files_panfrost = files(
   'nir/nir_lower_framebuffer.c',
 
   'pan_context.c',
-  'pan_afbc.c',
   'pan_bo.c',
   'pan_blit.c',
   'pan_job.c',

src/gallium/drivers/panfrost/pan_resource.h

@@ -95,14 +95,6 @@ panfrost_resource_hint_layout(
                 enum mali_texture_layout layout,
                 signed weight);
 
-/* AFBC */
-
-bool
-panfrost_format_supports_afbc(enum pipe_format format);
-
-unsigned
-panfrost_afbc_header_size(unsigned width, unsigned height);
-
 /* Blitting */
 
 void

src/panfrost/encoder/meson.build

@@ -22,6 +22,7 @@
 libpanfrost_encoder_files = files(
   'pan_encoder.h',
 
+  'pan_afbc.c',
   'pan_attributes.c',
   'pan_invocation.c',
   'pan_sampler.c',

src/panfrost/encoder/pan_afbc.c

@@ -24,8 +24,7 @@
  *   Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
  */
 
-#include "pan_resource.h"
-#include "util/format/u_format.h"
+#include "pan_texture.h"
 
 /* Arm FrameBuffer Compression (AFBC) is a lossless compression scheme natively
  * implemented in Mali GPUs (as well as many display controllers paired with

src/panfrost/encoder/pan_texture.h

@@ -29,6 +29,7 @@
 #define __PAN_TEXTURE_H
 
 #include <stdbool.h>
+#include "util/format/u_format.h"
 
 struct panfrost_slice {
         unsigned offset;
@@ -54,4 +55,12 @@ panfrost_compute_checksum_size(
         unsigned width,
         unsigned height);
 
+/* AFBC */
+
+bool
+panfrost_format_supports_afbc(enum pipe_format format);
+
+unsigned
+panfrost_afbc_header_size(unsigned width, unsigned height);
+
 #endif