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gallium: update docs about PIPE_CAP_PREFER_IMM_ARRAYS_AS_CONSTBUF.

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We can provide better guidance on when to (un-)set this given that
everyone's on NIR now.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16539>
This commit is contained in:
Emma Anholt
2022-05-16 16:16:03 -07:00
committed by Ian Romanick
parent 467ee94001
commit 07bac4094a
2 changed files with 2 additions and 2 deletions
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2
docs/gallium/screen.rst
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@@ -576,7 +576,7 @@ The integer capabilities:
* ``PIPE_CAP_PREFER_IMM_ARRAYS_AS_CONSTBUF``: True if gallium frontends should
turn arrays whose contents can be deduced at compile time into constant
buffer loads, or false if the driver can handle such arrays itself in a more
efficient manner.
efficient manner (such as through nir_opt_large_constants() and nir->constant_data).
* ``PIPE_CAP_GL_SPIRV``: True if the driver supports ARB_gl_spirv extension.
* ``PIPE_CAP_GL_SPIRV_VARIABLE_POINTERS``: True if the driver supports Variable Pointers in SPIR-V shaders.
* ``PIPE_CAP_DEMOTE_TO_HELPER_INVOCATION``: True if driver supports demote keyword in GLSL programs.

2
src/gallium/auxiliary/util/u_screen.c
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@@ -335,7 +335,7 @@ u_pipe_screen_get_param_defaults(struct pipe_screen *pscreen,
return 1;
case PIPE_CAP_PREFER_IMM_ARRAYS_AS_CONSTBUF:
/* Don't unset this unless your driver can do better */
/* Don't unset this unless your driver can do better, like using nir_opt_large_constants() */
return 1;
case PIPE_CAP_POST_DEPTH_COVERAGE: