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-rw-r--r--src/gallium/drivers/panfrost/pan_swizzle.c196
1 files changed, 0 insertions, 196 deletions
diff --git a/src/gallium/drivers/panfrost/pan_swizzle.c b/src/gallium/drivers/panfrost/pan_swizzle.c
deleted file mode 100644
index 60f6953443f..00000000000
--- a/src/gallium/drivers/panfrost/pan_swizzle.c
+++ /dev/null
@@ -1,196 +0,0 @@
-/*
- * Copyright (c) 2012-2013 Luc Verhaegen <[email protected]>
- * Copyright (c) 2018 Alyssa Rosenzweig <[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 <stdio.h>
-#include "pan_swizzle.h"
-#include "pan_allocate.h"
-
-/* Space a group of 4-bits out. For instance, 0x7 -- that is, 0b111 -- would
- * become 0b10101 */
-
-static inline int
-space_bits_4(int i)
-{
- return ((i & 0x8) << 3) |
- ((i & 0x4) << 2) |
- ((i & 0x2) << 1) |
- ((i & 0x1) << 0);
-}
-
-/* Generate lookup table for the space filler curve. Note this is a 1:1
- * mapping, just with bits twiddled around. */
-
-uint32_t space_filler[16][16];
-uint32_t space_filler_packed4[16][4];
-
-void
-panfrost_generate_space_filler_indices()
-{
- for (int y = 0; y < 16; ++y) {
- for (int x = 0; x < 16; ++x) {
- space_filler[y][x] =
- space_bits_4(y ^ x) | (space_bits_4(y) << 1);
- }
-
- for (int q = 0; q < 4; ++q) {
- space_filler_packed4[y][q] =
- (space_filler[y][(q * 4) + 0] << 0) |
- (space_filler[y][(q * 4) + 1] << 8) |
- (space_filler[y][(q * 4) + 2] << 16) |
- (space_filler[y][(q * 4) + 3] << 24);
- }
- }
-}
-
-static void
-swizzle_bpp1_align16(int width, int height, int source_stride, int block_pitch,
- const uint8_t *pixels,
- uint8_t *ldest)
-{
- for (int y = 0; y < height; ++y) {
- {
- int block_y = y & ~(0x0f);
- int rem_y = y & 0x0f;
- uint8_t *block_start_s = ldest + (block_y * block_pitch);
- const uint8_t *source_start = pixels + (y * source_stride);
- const uint8_t *source_end = source_start + width;
-
- /* Operate on blocks of 16 pixels to minimise bookkeeping */
-
- for (; source_start < source_end; block_start_s += 16 * 16, source_start += 16) {
- const uint32_t *src_32 = (const uint32_t *) source_start;
-
- for (int q = 0; q < 4; ++q) {
- uint32_t src = src_32[q];
- uint32_t spaced = space_filler_packed4[rem_y][q];
- uint16_t *bs = (uint16_t *) block_start_s;
-
- int spacedA = (spaced >> 0) & 0xFF;
- int spacedB = (spaced >> 16) & 0xFF;
-
- bs[spacedA >> 1] = (src >> 0) & 0xFFFF;
- bs[spacedB >> 1] = (src >> 16) & 0xFFFF;
- }
- }
- }
-
- ++y;
-
- if (y >= height)
- break;
-
- {
- int block_y = y & ~(0x0f);
- int rem_y = y & 0x0f;
- uint8_t *block_start_s = ldest + (block_y * block_pitch);
- const uint8_t *source_start = pixels + (y * source_stride);
- const uint8_t *source_end = source_start + width;
-
- /* Operate on blocks of 16 pixels to minimise bookkeeping */
-
- for (; source_start < source_end; block_start_s += 16 * 16, source_start += 16) {
- const uint32_t *src_32 = (const uint32_t *) source_start;
-
- for (int q = 0; q < 4; ++q) {
- uint32_t src = src_32[q];
- uint32_t spaced = space_filler_packed4[rem_y][q];
-
- block_start_s[(spaced >> 0) & 0xFF] = (src >> 0) & 0xFF;
- block_start_s[(spaced >> 8) & 0xFF] = (src >> 8) & 0xFF;
-
- block_start_s[(spaced >> 16) & 0xFF] = (src >> 16) & 0xFF;
- block_start_s[(spaced >> 24) & 0xFF] = (src >> 24) & 0xFF;
- }
- }
- }
-
- }
-}
-
-static void
-swizzle_bpp4_align16(int width, int height, int source_stride, int block_pitch,
- const uint32_t *pixels,
- uint32_t *ldest)
-{
- for (int y = 0; y < height; ++y) {
- int block_y = y & ~(0x0f);
- int rem_y = y & 0x0f;
- uint32_t *block_start_s = ldest + (block_y * block_pitch);
- const uint32_t *source_start = pixels + (y * source_stride);
- const uint32_t *source_end = source_start + width;
-
- /* Operate on blocks of 16 pixels to minimise bookkeeping */
-
- for (; source_start < source_end; block_start_s += 16 * 16, source_start += 16) {
- for (int j = 0; j < 16; ++j)
- block_start_s[space_filler[rem_y][j]] = source_start[j];
- }
- }
-}
-
-void
-panfrost_texture_swizzle(unsigned off_x,
- unsigned off_y,
- int width, int height, int bytes_per_pixel, int dest_width,
- const uint8_t *pixels,
- uint8_t *ldest)
-{
- /* Calculate maximum size, overestimating a bit */
- int block_pitch = ALIGN(dest_width, 16) >> 4;
-
- /* Strides must be tight, since we're only ever called indirectly */
- int source_stride = width * bytes_per_pixel;
-
- /* Use fast path if available */
- if (!(off_x || off_y) && (width == dest_width)) {
- if (bytes_per_pixel == 4 && (ALIGN(width, 16) == width)) {
- swizzle_bpp4_align16(width, height, source_stride >> 2, (block_pitch * 256 >> 4), (const uint32_t *) pixels, (uint32_t *) ldest);
- return;
- } else if (bytes_per_pixel == 1 && (ALIGN(width, 16) == width)) {
- swizzle_bpp1_align16(width, height, source_stride, (block_pitch * 256 >> 4), pixels, (uint8_t *) ldest);
- return;
- }
- }
-
- /* Otherwise, default back on generic path */
-
- for (int y = 0; y < height; ++y) {
- int block_y = (y + off_y) >> 4;
- int rem_y = (y + off_y) & 0x0F;
- int block_start_s = block_y * block_pitch * 256;
- int source_start = y * source_stride;
-
- for (int x = 0; x < width; ++x) {
- int block_x_s = ((x + off_x) >> 4) * 256;
- int rem_x = (x + off_x) & 0x0F;
-
- int index = space_filler[rem_y][rem_x];
- const uint8_t *source = &pixels[source_start + bytes_per_pixel * x];
- uint8_t *dest = ldest + bytes_per_pixel * (block_start_s + block_x_s + index);
-
- for (int b = 0; b < bytes_per_pixel; ++b)
- dest[b] = source[b];
- }
- }
-}
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