diff options
Diffstat (limited to 'src/gallium/drivers/radeon')
| -rw-r--r-- | src/gallium/drivers/radeon/r600_texture.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/src/gallium/drivers/radeon/r600_texture.c b/src/gallium/drivers/radeon/r600_texture.c index 109b8605f9a..09318e0f8d4 100644 --- a/src/gallium/drivers/radeon/r600_texture.c +++ b/src/gallium/drivers/radeon/r600_texture.c @@ -1212,10 +1212,30 @@ static struct pipe_surface *r600_create_surface(struct pipe_context *pipe, const struct pipe_surface *templ) { unsigned level = templ->u.tex.level; + unsigned width = u_minify(tex->width0, level); + unsigned height = u_minify(tex->height0, level); + + if (templ->format != tex->format) { + const struct util_format_description *tex_desc + = util_format_description(tex->format); + const struct util_format_description *templ_desc + = util_format_description(templ->format); + + assert(tex_desc->block.bits == templ_desc->block.bits); + + /* Adjust size of surface if and only if the block width or + * height is changed. */ + if (tex_desc->block.width != templ_desc->block.width || + tex_desc->block.height != templ_desc->block.height) { + unsigned nblks_x = util_format_get_nblocksx(tex->format, width); + unsigned nblks_y = util_format_get_nblocksy(tex->format, height); + + width = nblks_x * templ_desc->block.width; + height = nblks_y * templ_desc->block.height; + } + } - return r600_create_surface_custom(pipe, tex, templ, - u_minify(tex->width0, level), - u_minify(tex->height0, level)); + return r600_create_surface_custom(pipe, tex, templ, width, height); } static void r600_surface_destroy(struct pipe_context *pipe, |