diff options
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_linear.h')
-rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_linear.h | 212 |
1 files changed, 106 insertions, 106 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_linear.h b/mesalib/src/gallium/auxiliary/util/u_linear.h index 38a790e3f..81ffc9fb2 100644 --- a/mesalib/src/gallium/auxiliary/util/u_linear.h +++ b/mesalib/src/gallium/auxiliary/util/u_linear.h @@ -1,106 +1,106 @@ -/**************************************************************************
- *
- * 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 */
+/************************************************************************** + * + * 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 */ |