diff options
author | Brian Paul <brianp@vmware.com> | 2009-02-10 16:44:02 -0700 |
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committer | Brian Paul <brianp@vmware.com> | 2009-02-10 16:44:02 -0700 |
commit | 5340b6dff73a0a23531ce2a5f28fba8303adab6e (patch) | |
tree | b141fc3648568dd8b941c966059e6ed32a8bd0ad /src/gallium/auxiliary/util/u_linear.h | |
parent | 9fd26daec24f21dbe17afcb2e2ab272667ee9a69 (diff) | |
parent | ee4c921b65fb76998711f3c40330505cbc49a0e0 (diff) |
Merge commit 'origin/gallium-master-merge'
This is the big merge of the gallium-0.2 branch into master.
gallium-master-merge was just the staging area for it.
Both gallium-0.2 and gallium-master-merge are considered closed now.
Conflicts:
progs/demos/Makefile
src/mesa/main/state.c
src/mesa/main/texenvprogram.c
Diffstat (limited to 'src/gallium/auxiliary/util/u_linear.h')
-rw-r--r-- | src/gallium/auxiliary/util/u_linear.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_linear.h b/src/gallium/auxiliary/util/u_linear.h new file mode 100644 index 0000000000..e337cfd770 --- /dev/null +++ b/src/gallium/auxiliary/util/u_linear.h @@ -0,0 +1,60 @@ + +#ifndef U_LINEAR_H +#define U_LINEAR_H + +#include "pipe/p_format.h" +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 pipe_format_block tile; + + /* Describe each block within the tile */ + struct pipe_format_block block; +}; + +void pipe_linear_to_tile(size_t src_stride, void *src_ptr, + struct pipe_tile_info *t, void *dst_ptr); + +void pipe_linear_from_tile(struct pipe_tile_info *t, 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, + struct pipe_format_block *block, + unsigned tile_width, unsigned tile_height, + unsigned tiles_x, unsigned tiles_y); + +static INLINE boolean pipe_linear_check_tile(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 */ |