diff options
author | Nanley Chery <nanley.g.chery@intel.com> | 2022-07-21 17:28:22 -0700 |
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committer | Marge Bot <emma+marge@anholt.net> | 2023-02-10 01:40:47 +0000 |
commit | fdabf886be7f6f00d854a7dfa995c3c5b18f0033 (patch) | |
tree | 577a640f61d02dcc54510f88ba7f701243c15c17 /src/mesa/state_tracker | |
parent | 6d57614fd01228f11a7cf77b56fbe7514790d759 (diff) |
mesa/st: Enable compute-based transcoding to DXT5
By enabling this path, we get a 56% decrease in upload time on a texture
upload microbenchmark. This was measured on an Ice Lake with an iris
driver that tries to use the compressed format fallback path.
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19827>
Diffstat (limited to 'src/mesa/state_tracker')
-rw-r--r-- | src/mesa/state_tracker/st_cb_texture.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c index f292ed2333b..fe66d66c000 100644 --- a/src/mesa/state_tracker/st_cb_texture.c +++ b/src/mesa/state_tracker/st_cb_texture.c @@ -27,6 +27,7 @@ #include <stdio.h> #include "main/bufferobj.h" +#include "main/context.h" #include "main/enums.h" #include "main/errors.h" #include "main/fbobject.h" @@ -65,6 +66,7 @@ #include "state_tracker/st_gen_mipmap.h" #include "state_tracker/st_atom.h" #include "state_tracker/st_sampler_view.h" +#include "state_tracker/st_texcompress_compute.h" #include "state_tracker/st_util.h" #include "pipe/p_context.h" @@ -557,6 +559,35 @@ st_UnmapTextureImage(struct gl_context *ctx, if (itransfer->box.depth != 0) { assert(itransfer->box.depth == 1); + if (_mesa_is_format_astc_2d(texImage->TexFormat) && + util_format_is_compressed(texImage->pt->format)) { + + /* DXT5 is the only supported transcode target from ASTC. */ + assert(texImage->pt->format == PIPE_FORMAT_DXT5_RGBA || + texImage->pt->format == PIPE_FORMAT_DXT5_SRGBA); + + /* Try a compute-based transcode. */ + if (itransfer->box.x == 0 && + itransfer->box.y == 0 && + itransfer->box.width == texImage->Width && + itransfer->box.height == texImage->Height && + _mesa_has_compute_shaders(ctx) && + st_compute_transcode_astc_to_dxt5(st, + itransfer->temp_data, + itransfer->temp_stride, + texImage->TexFormat, + texImage->pt, + st_texture_image_resource_level(texImage), + itransfer->box.z)) { + + /* Mark the unmap as complete. */ + assert(itransfer->transfer == NULL); + memset(itransfer, 0, sizeof(struct st_texture_image_transfer)); + + return; + } + } + struct pipe_transfer *transfer; GLubyte *map = st_texture_image_map(st, texImage, PIPE_MAP_WRITE | |