mesa/st: introduce PIPE_CAP_NO_CLIP_ON_COPY_TEX

If supported this means that src_x/src_y/width/height parameters of
CopyTex functions will not be clipped using the read framebuffer's dimensions.

Cc: mesa-stable
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6259>
This commit is contained in:
Pierre-Eric Pelloux-Prayer
2020-07-15 21:23:48 +02:00
parent 54fed1cf95
commit d94bec5c49
6 changed files with 19 additions and 2 deletions

View File

@@ -590,6 +590,7 @@ The integer capabilities:
* ``PIPE_CAP_GLSL_ZERO_INIT``: Choose a default zero initialization some glsl variables. If `1`, then all glsl shader variables and gl_FragColor are initialized to zero. If `2`, then shader out variables are not initialized but function out variables are.
* ``PIPE_CAP_BLEND_EQUATION_ADVANCED``: Driver supports blend equation advanced without necessarily supporting FBFETCH.
* ``PIPE_CAP_NIR_ATOMICS_AS_DEREF``: Whether NIR atomics instructions should reference atomics as NIR derefs instead of by indices.
* ``PIPE_CAP_NO_CLIP_ON_COPY_TEX``: Driver doesn't want x/y/width/height clipped based on src size when doing a copy texture operation (eg: may want out-of-bounds reads that produce 0 instead of leaving the texture content undefined)
.. _pipe_capf: