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-rw-r--r--src/gallium/docs/source/screen.rst6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
index 2ea0da83f48..ba583fef6c0 100644
--- a/src/gallium/docs/source/screen.rst
+++ b/src/gallium/docs/source/screen.rst
@@ -174,8 +174,10 @@ The integer capabilities:
* ``PIPE_CAP_MIXED_FRAMEBUFFER_SIZES``: Whether it is allowed to have
different sizes for fb color/zs attachments. This controls whether
ARB_framebuffer_object is provided.
-* ``PIPE_CAP_TGSI_VS_LAYER``: Whether TGSI_SEMANTIC_LAYER is supported
- as a vertex shader output.
+* ``PIPE_CAP_TGSI_VS_LAYER_VIEWPORT``: Whether ``TGSI_SEMANTIC_LAYER`` and
+ ``TGSI_SEMANTIC_VIEWPORT_INDEX`` are supported as vertex shader
+ outputs. Note that the viewport will only be used if multiple viewports are
+ exposed.
* ``PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES``: The maximum number of vertices
output by a single invocation of a geometry shader.
* ``PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS``: The maximum number of