From 347b69e7d74f61f3b08853ccdfad72bdae683e12 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Fri, 6 Jan 2017 10:51:22 -0800
Subject: vc4: Move LT tiling code to a separate file.

This paves the way for building it twice, with NEON assembly or not.
---
 src/gallium/drivers/vc4/vc4_tiling.c | 80 ------------------------------------
 1 file changed, 80 deletions(-)

(limited to 'src/gallium/drivers/vc4/vc4_tiling.c')

diff --git a/src/gallium/drivers/vc4/vc4_tiling.c b/src/gallium/drivers/vc4/vc4_tiling.c
index bf3861c7158..07e1c9c5f67 100644
--- a/src/gallium/drivers/vc4/vc4_tiling.c
+++ b/src/gallium/drivers/vc4/vc4_tiling.c
@@ -52,22 +52,6 @@
 #include "vc4_context.h"
 #include "vc4_tiling.h"
 
-/** Returns the stride in bytes of a 64-byte microtile. */
-static uint32_t
-vc4_utile_stride(int cpp)
-{
-        switch (cpp) {
-        case 1:
-                return 8;
-        case 2:
-        case 4:
-        case 8:
-                return 16;
-        default:
-                unreachable("bad cpp");
-        }
-}
-
 /**
  * The texture unit decides what tiling format a particular miplevel is using
  * this function, so we lay out our miptrees accordingly.
@@ -79,28 +63,6 @@ vc4_size_is_lt(uint32_t width, uint32_t height, int cpp)
                 height <= 4 * vc4_utile_height(cpp));
 }
 
-static void
-vc4_load_utile(void *dst, void *src, uint32_t dst_stride, uint32_t cpp)
-{
-        uint32_t src_stride = vc4_utile_stride(cpp);
-
-        for (uint32_t src_offset = 0; src_offset < 64; src_offset += src_stride) {
-                memcpy(dst, src + src_offset, src_stride);
-                dst += dst_stride;
-        }
-}
-
-static void
-vc4_store_utile(void *dst, void *src, uint32_t src_stride, uint32_t cpp)
-{
-        uint32_t dst_stride = vc4_utile_stride(cpp);
-
-        for (uint32_t dst_offset = 0; dst_offset < 64; dst_offset += dst_stride) {
-                memcpy(dst + dst_offset, src, dst_stride);
-                src += src_stride;
-        }
-}
-
 static void
 check_box_utile_alignment(const struct pipe_box *box, int cpp)
 {
@@ -110,48 +72,6 @@ check_box_utile_alignment(const struct pipe_box *box, int cpp)
         assert(!(box->height & (vc4_utile_height(cpp) - 1)));
 }
 
-static void
-vc4_load_lt_image(void *dst, uint32_t dst_stride,
-                  void *src, uint32_t src_stride,
-                  int cpp, const struct pipe_box *box)
-{
-        uint32_t utile_w = vc4_utile_width(cpp);
-        uint32_t utile_h = vc4_utile_height(cpp);
-        uint32_t xstart = box->x;
-        uint32_t ystart = box->y;
-
-        for (uint32_t y = 0; y < box->height; y += utile_h) {
-                for (int x = 0; x < box->width; x += utile_w) {
-                        vc4_load_utile(dst + (dst_stride * y +
-                                              x * cpp),
-                                       src + ((ystart + y) * src_stride +
-                                              (xstart + x) * 64 / utile_w),
-                                       dst_stride, cpp);
-                }
-        }
-}
-
-static void
-vc4_store_lt_image(void *dst, uint32_t dst_stride,
-                   void *src, uint32_t src_stride,
-                   int cpp, const struct pipe_box *box)
-{
-        uint32_t utile_w = vc4_utile_width(cpp);
-        uint32_t utile_h = vc4_utile_height(cpp);
-        uint32_t xstart = box->x;
-        uint32_t ystart = box->y;
-
-        for (uint32_t y = 0; y < box->height; y += utile_h) {
-                for (int x = 0; x < box->width; x += utile_w) {
-                        vc4_store_utile(dst + ((ystart + y) * dst_stride +
-                                               (xstart + x) * 64 / utile_w),
-                                        src + (src_stride * y +
-                                               x * cpp),
-                                        src_stride, cpp);
-                }
-        }
-}
-
 /**
  * Takes a utile x and y (and the number of utiles of width of the image) and
  * returns the offset to the utile within a VC4_TILING_FORMAT_TF image.
-- 
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