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.c | |
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.c')
-rw-r--r-- | src/gallium/auxiliary/util/u_linear.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_linear.c b/src/gallium/auxiliary/util/u_linear.c new file mode 100644 index 0000000000..a76704ffc7 --- /dev/null +++ b/src/gallium/auxiliary/util/u_linear.c @@ -0,0 +1,69 @@ + +#include "pipe/p_debug.h" +#include "u_linear.h" + +void +pipe_linear_to_tile(size_t src_stride, void *src_ptr, + struct pipe_tile_info *t, void *dst_ptr) +{ + int x, y, z; + char *ptr; + size_t bytes = t->cols * t->block.size; + + + assert(pipe_linear_check_tile(t)); + + /* lets write lineary 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_ptr, ptr, bytes); + dst_ptr += bytes; + ptr += src_stride; + } + } + } +} + +void pipe_linear_from_tile(struct pipe_tile_info *t, void *src_ptr, + size_t dst_stride, void *dst_ptr) +{ + int x, y, z; + char *ptr; + size_t bytes = t->cols * t->block.size; + + /* lets read lineary 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_ptr, bytes); + src_ptr += bytes; + ptr += dst_stride; + } + } + } +} + +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) +{ + 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; +} |