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authorJosé Fonseca <jfonseca@vmware.com>2012-11-07 15:21:36 +0000
committerJosé Fonseca <jfonseca@vmware.com>2012-11-09 13:43:19 +0000
commit5dbc84ecb0e1eb8a23cc275d7fd28d89dd3d0b01 (patch)
treedd3357e8b1be14fb6b92257d3b237b9f9c4c2932 /src
parentc84dd7a940f98fa7e26f8cd0aa75cb26d2a9ee07 (diff)
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util/u_surface: Support 3D/array textures in util_resource_copy_region().
Reviewed-by: Brian Paul <brianp@vmware.com> Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Diffstat (limited to 'src')
-rw-r--r--src/gallium/auxiliary/util/u_surface.c70
1 files changed, 44 insertions, 26 deletions
diff --git a/src/gallium/auxiliary/util/u_surface.c b/src/gallium/auxiliary/util/u_surface.c
index 055e538..e99431e 100644
--- a/src/gallium/auxiliary/util/u_surface.c
+++ b/src/gallium/auxiliary/util/u_surface.c
@@ -129,11 +129,11 @@ util_resource_copy_region(struct pipe_context *pipe,
const struct pipe_box *src_box)
{
struct pipe_transfer *src_trans, *dst_trans;
- void *dst_map;
- const void *src_map;
+ uint8_t *dst_map;
+ const uint8_t *src_map;
enum pipe_format src_format, dst_format;
- unsigned w = src_box->width;
- unsigned h = src_box->height;
+ struct pipe_box dst_box;
+ int z;
assert(src && dst);
if (!src || !dst)
@@ -145,44 +145,62 @@ util_resource_copy_region(struct pipe_context *pipe,
src_format = src->format;
dst_format = dst->format;
- src_map = pipe_transfer_map(pipe,
- src,
- src_level,
- src_box->z,
- PIPE_TRANSFER_READ,
- src_box->x, src_box->y, w, h, &src_trans);
-
- dst_map = pipe_transfer_map(pipe,
- dst,
- dst_level,
- dst_z,
- PIPE_TRANSFER_WRITE,
- dst_x, dst_y, w, h, &dst_trans);
-
assert(util_format_get_blocksize(dst_format) == util_format_get_blocksize(src_format));
assert(util_format_get_blockwidth(dst_format) == util_format_get_blockwidth(src_format));
assert(util_format_get_blockheight(dst_format) == util_format_get_blockheight(src_format));
+
+ src_map = pipe->transfer_map(pipe,
+ src,
+ src_level,
+ PIPE_TRANSFER_READ,
+ src_box, &src_trans);
assert(src_map);
+ if (!src_map) {
+ goto no_src_map;
+ }
+
+ dst_box.x = dst_x;
+ dst_box.y = dst_y;
+ dst_box.z = dst_z;
+ dst_box.width = src_box->width;
+ dst_box.height = src_box->height;
+ dst_box.depth = src_box->depth;
+
+ dst_map = pipe->transfer_map(pipe,
+ dst,
+ dst_level,
+ PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD_RANGE,
+ &dst_box, &dst_trans);
assert(dst_map);
+ if (!dst_map) {
+ goto no_dst_map;
+ }
- if (src_map && dst_map) {
- if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
- memcpy(dst_map, src_map, w);
- } else {
+ if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
+ assert(src_box->height == 1);
+ assert(src_box->depth == 1);
+ memcpy(dst_map, src_map, src_box->width);
+ } else {
+ for (z = 0; z < src_box->depth; ++z) {
util_copy_rect(dst_map,
dst_format,
dst_trans->stride,
0, 0,
- w, h,
+ src_box->width, src_box->height,
src_map,
src_trans->stride,
- 0,
- 0);
+ 0, 0);
+
+ dst_map += dst_trans->layer_stride;
+ src_map += src_trans->layer_stride;
}
}
- pipe->transfer_unmap(pipe, src_trans);
pipe->transfer_unmap(pipe, dst_trans);
+no_dst_map:
+ pipe->transfer_unmap(pipe, src_trans);
+no_src_map:
+ ;
}