lima,panfrost: Move lima_tiling.c/h to /src/panfrost

This will allow both drivers to share this code. Both drivers
build-tested with meson. Android build not tested.

v2: Change naming from tiling->shared, in case Lima and Panfrost can
share more in the future. Fix Android build system.

Signed-off-by: Alyssa Rosenzweig <[email protected]>
Reviewed-and-tested-by: Qiang Yu <[email protected]>

1 files changed, 184 insertions, 0 deletions

diff --git a/src/panfrost/shared/pan_tiling.c b/src/panfrost/shared/pan_tiling.c
new file mode 100644
index 00000000000..413cd89420b
--- /dev/null
+++ b/src/panfrost/shared/pan_tiling.c
@@ -0,0 +1,184 @@
+/*
+ * Copyright (c) 2011-2013 Luc Verhaegen <[email protected]>
+ * Copyright (c) 2018 Alyssa Rosenzweig <[email protected]>
+ * Copyright (c) 2018 Vasily Khoruzhick <[email protected]>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "pan_tiling.h"
+
+uint32_t space_filler[16][16] = {
+   { 0,   1,   4,   5,   16,  17,  20,  21,  64,  65,  68,  69,  80,  81,  84,  85, },
+   { 3,   2,   7,   6,   19,  18,  23,  22,  67,  66,  71,  70,  83,  82,  87,  86, },
+   { 12,  13,  8,   9,   28,  29,  24,  25,  76,  77,  72,  73,  92,  93,  88,  89, },
+   { 15,  14,  11,  10,  31,  30,  27,  26,  79,  78,  75,  74,  95,  94,  91,  90, },
+   { 48,  49,  52,  53,  32,  33,  36,  37,  112, 113, 116, 117, 96,  97,  100, 101, },
+   { 51,  50,  55,  54,  35,  34,  39,  38,  115, 114, 119, 118, 99,  98,  103, 102, },
+   { 60,  61,  56,  57,  44,  45,  40,  41,  124, 125, 120, 121, 108, 109, 104, 105, },
+   { 63,  62,  59,  58,  47,  46,  43,  42,  127, 126, 123, 122, 111, 110, 107, 106, },
+   { 192, 193, 196, 197, 208, 209, 212, 213, 128, 129, 132, 133, 144, 145, 148, 149, },
+   { 195, 194, 199, 198, 211, 210, 215, 214, 131, 130, 135, 134, 147, 146, 151, 150, },
+   { 204, 205, 200, 201, 220, 221, 216, 217, 140, 141, 136, 137, 156, 157, 152, 153, },
+   { 207, 206, 203, 202, 223, 222, 219, 218, 143, 142, 139, 138, 159, 158, 155, 154, },
+   { 240, 241, 244, 245, 224, 225, 228, 229, 176, 177, 180, 181, 160, 161, 164, 165, },
+   { 243, 242, 247, 246, 227, 226, 231, 230, 179, 178, 183, 182, 163, 162, 167, 166, },
+   { 252, 253, 248, 249, 236, 237, 232, 233, 188, 189, 184, 185, 172, 173, 168, 169, },
+   { 255, 254, 251, 250, 239, 238, 235, 234, 191, 190, 187, 186, 175, 174, 171, 170, },
+};
+
+static void
+panfrost_store_tiled_image_bpp4(void *dst, const void *src,
+                               const struct pipe_box *box,
+                               uint32_t dst_stride,
+                               uint32_t src_stride)
+{
+   for (int y = box->y, src_y = 0; src_y < box->height; ++y, ++src_y) {
+      int block_y = y & ~0x0f;
+      int rem_y = y & 0x0F;
+      int block_start_s = block_y * dst_stride;
+      int source_start = src_y * src_stride;
+
+      for (int x = box->x, src_x = 0; src_x < box->width; ++x, ++src_x) {
+         int block_x_s = (x >> 4) * 256;
+         int rem_x = x & 0x0F;
+
+         int index = space_filler[rem_y][rem_x];
+         const uint32_t *source = src + source_start + 4 * src_x;
+         uint32_t *dest = dst + block_start_s + 4 * (block_x_s + index);
+
+         *dest = *source;
+      }
+   }
+}
+
+static void
+panfrost_store_tiled_image_generic(void *dst, const void *src,
+                               const struct pipe_box *box,
+                               uint32_t dst_stride,
+                               uint32_t src_stride,
+                               uint32_t bpp)
+{
+   for (int y = box->y, src_y = 0; src_y < box->height; ++y, ++src_y) {
+      int block_y = y & ~0x0f;
+      int rem_y = y & 0x0F;
+      int block_start_s = block_y * dst_stride;
+      int source_start = src_y * src_stride;
+
+      for (int x = box->x, src_x = 0; src_x < box->width; ++x, ++src_x) {
+         int block_x_s = (x >> 4) * 256;
+         int rem_x = x & 0x0F;
+
+         int index = space_filler[rem_y][rem_x];
+         const uint8_t *src8 = src;
+         const uint8_t *source = &src8[source_start + bpp * src_x];
+         uint8_t *dest = dst + block_start_s + bpp * (block_x_s + index);
+
+         for (int b = 0; b < bpp; ++b)
+            dest[b] = source[b];
+      }
+   }
+}
+
+static void
+panfrost_load_tiled_image_bpp4(void *dst, const void *src,
+                              const struct pipe_box *box,
+                              uint32_t dst_stride,
+                              uint32_t src_stride)
+{
+   for (int y = box->y, dest_y = 0; dest_y < box->height; ++y, ++dest_y) {
+      int block_y = y & ~0x0f;
+      int rem_y = y & 0x0F;
+      int block_start_s = block_y * src_stride;
+      int dest_start = dest_y * dst_stride;
+
+      for (int x = box->x, dest_x = 0; dest_x < box->width; ++x, ++dest_x) {
+         int block_x_s = (x >> 4) * 256;
+         int rem_x = x & 0x0F;
+
+         int index = space_filler[rem_y][rem_x];
+         uint32_t *dest = dst + dest_start + 4 * dest_x;
+         const uint32_t *source = src + block_start_s + 4 * (block_x_s + index);
+
+         *dest = *source;
+      }
+   }
+}
+
+static void
+panfrost_load_tiled_image_generic(void *dst, const void *src,
+                              const struct pipe_box *box,
+                              uint32_t dst_stride,
+                              uint32_t src_stride,
+                              uint32_t bpp)
+{
+   for (int y = box->y, dest_y = 0; dest_y < box->height; ++y, ++dest_y) {
+      int block_y = y & ~0x0f;
+      int rem_y = y & 0x0F;
+      int block_start_s = block_y * src_stride;
+      int dest_start = dest_y * dst_stride;
+
+      for (int x = box->x, dest_x = 0; dest_x < box->width; ++x, ++dest_x) {
+         int block_x_s = (x >> 4) * 256;
+         int rem_x = x & 0x0F;
+
+         int index = space_filler[rem_y][rem_x];
+         uint8_t *dst8 = dst;
+         uint8_t *dest = &dst8[dest_start + bpp * dest_x];
+         const uint8_t *source = src + block_start_s + bpp * (block_x_s + index);
+
+         for (int b = 0; b < bpp; ++b)
+            dest[b] = source[b];
+      }
+   }
+}
+
+void
+panfrost_store_tiled_image(void *dst, const void *src,
+                           const struct pipe_box *box,
+                           uint32_t dst_stride,
+                           uint32_t src_stride,
+                           uint32_t bpp)
+{
+	switch (bpp) {
+	case 4:
+		panfrost_store_tiled_image_bpp4(dst, src, box, dst_stride, src_stride);
+		break;
+	default:
+		panfrost_store_tiled_image_generic(dst, src, box, dst_stride, src_stride, bpp);
+	}
+}
+
+void
+panfrost_load_tiled_image(void *dst, const void *src,
+                           const struct pipe_box *box,
+                           uint32_t dst_stride,
+                           uint32_t src_stride,
+                           uint32_t bpp)
+{
+	switch (bpp) {
+	case 4:
+		panfrost_load_tiled_image_bpp4(dst, src, box, dst_stride, src_stride);
+		break;
+	default:
+		panfrost_load_tiled_image_generic(dst, src, box, dst_stride, src_stride, bpp);
+	}
+}