+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2009 VMware, Inc.
- * All Rights Reserved.
- *
- * 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 VMWARE AND/OR ITS SUPPLIERS 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.
- *
- **************************************************************************/
-
-/**
- * Functions for converting tiled data to linear and vice versa.
- */
-
-
-#include "util/u_debug.h"
-#include "u_linear.h"
-
-void
-pipe_linear_to_tile(size_t src_stride, const void *src_ptr,
- struct pipe_tile_info *t, void *dst_ptr)
-{
- unsigned x, y, z;
- char *ptr;
- size_t bytes = t->cols * t->block.size;
- char *dst_ptr2 = (char *) dst_ptr;
-
- assert(pipe_linear_check_tile(t));
-
- /* lets write linearly to the tiled buffer */
- for (y = 0; y < t->tiles_y; y++) {
- for (x = 0; x < t->tiles_x; x++) {
- /* this inner loop could be replace with SSE magic */
- ptr = (char*)src_ptr + src_stride * t->rows * y + bytes * x;
- for (z = 0; z < t->rows; z++) {
- memcpy(dst_ptr2, ptr, bytes);
- dst_ptr2 += bytes;
- ptr += src_stride;
- }
- }
- }
-}
-
-void pipe_linear_from_tile(struct pipe_tile_info *t, const void *src_ptr,
- size_t dst_stride, void *dst_ptr)
-{
- unsigned x, y, z;
- char *ptr;
- size_t bytes = t->cols * t->block.size;
- const char *src_ptr2 = (const char *) src_ptr;
-
- /* lets read linearly from the tiled buffer */
- for (y = 0; y < t->tiles_y; y++) {
- for (x = 0; x < t->tiles_x; x++) {
- /* this inner loop could be replace with SSE magic */
- ptr = (char*)dst_ptr + dst_stride * t->rows * y + bytes * x;
- for (z = 0; z < t->rows; z++) {
- memcpy(ptr, src_ptr2, bytes);
- src_ptr2 += bytes;
- ptr += dst_stride;
- }
- }
- }
-}
-
-void
-pipe_linear_fill_info(struct pipe_tile_info *t,
- const struct u_linear_format_block *block,
- unsigned tile_width, unsigned tile_height,
- unsigned tiles_x, unsigned tiles_y)
-{
- t->block = *block;
-
- t->tile.width = tile_width;
- t->tile.height = tile_height;
- t->cols = t->tile.width / t->block.width;
- t->rows = t->tile.height / t->block.height;
- t->tile.size = t->cols * t->rows * t->block.size;
-
- t->tiles_x = tiles_x;
- t->tiles_y = tiles_y;
- t->stride = t->cols * t->tiles_x * t->block.size;
- t->size = t->tiles_x * t->tiles_y * t->tile.size;
-}
+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2009 VMware, Inc.
- * All Rights Reserved.
- *
- * 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 VMWARE AND/OR ITS SUPPLIERS 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.
- *
- **************************************************************************/
-
-/**
- * Functions for converting tiled data to linear and vice versa.
- */
-
-
-#ifndef U_LINEAR_H
-#define U_LINEAR_H
-
-#include "pipe/p_compiler.h"
-#include "pipe/p_format.h"
-
-struct u_linear_format_block
-{
- /** Block size in bytes */
- unsigned size;
-
- /** Block width in pixels */
- unsigned width;
-
- /** Block height in pixels */
- unsigned height;
-};
-
-
-struct pipe_tile_info
-{
- unsigned size;
- unsigned stride;
-
- /* The number of tiles */
- unsigned tiles_x;
- unsigned tiles_y;
-
- /* size of each tile expressed in blocks */
- unsigned cols;
- unsigned rows;
-
- /* Describe the tile in pixels */
- struct u_linear_format_block tile;
-
- /* Describe each block within the tile */
- struct u_linear_format_block block;
-};
-
-void pipe_linear_to_tile(size_t src_stride, const void *src_ptr,
- struct pipe_tile_info *t, void *dst_ptr);
-
-void pipe_linear_from_tile(struct pipe_tile_info *t, const void *src_ptr,
- size_t dst_stride, void *dst_ptr);
-
-/**
- * Convenience function to fillout a pipe_tile_info struct.
- * @t info to fill out.
- * @block block info about pixel layout
- * @tile_width the width of the tile in pixels
- * @tile_height the height of the tile in pixels
- * @tiles_x number of tiles in x axis
- * @tiles_y number of tiles in y axis
- */
-void pipe_linear_fill_info(struct pipe_tile_info *t,
- const struct u_linear_format_block *block,
- unsigned tile_width, unsigned tile_height,
- unsigned tiles_x, unsigned tiles_y);
-
-static inline boolean pipe_linear_check_tile(const struct pipe_tile_info *t)
-{
- if (t->tile.size != t->block.size * t->cols * t->rows)
- return FALSE;
-
- if (t->stride != t->block.size * t->cols * t->tiles_x)
- return FALSE;
-
- if (t->size < t->stride * t->rows * t->tiles_y)
- return FALSE;
-
- return TRUE;
-}
-
-#endif /* U_LINEAR_H */
projects / platform / upstream / mesa.git / commitdiff