gallium: add PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS

[mesa.git] / src / gallium / docs / source / screen.rst

diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
index bb2803a40cd715f9e2221978af67626fdbda51f0..de9de05b402b6e732de83a49a7bcea0c75e3b566 100644 (file)
--- a/src/gallium/docs/source/screen.rst
+++ b/src/gallium/docs/source/screen.rst
@@ -489,6 +489,9 @@ to be 0.
   cost than this value should be lowered by the state tracker for better
   performance. This is a tunable for the GLSL compiler and the behavior is
   specific to the compiler.
+* ``PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS``: Whether the merge registers
+  TGSI pass is skipped. This might reduce code size and register pressure if
+  the underlying driver has a real backend compiler.
 
 
 .. _pipe_compute_cap: