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-rw-r--r--src/gallium/docs/source/cso/rasterizer.rst9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/gallium/docs/source/cso/rasterizer.rst b/src/gallium/docs/source/cso/rasterizer.rst
index 150e6df88ae..f4e24f0b438 100644
--- a/src/gallium/docs/source/cso/rasterizer.rst
+++ b/src/gallium/docs/source/cso/rasterizer.rst
@@ -20,6 +20,11 @@ OpenGL: glClampColor(GL_CLAMP_VERTEX_COLOR) in GL 3.0 or GL_ARB_color_buffer_flo
D3D11: seems always disabled
+Note the PIPE_CAP_VERTEX_COLOR_CLAMPED query indicates whether or not the
+driver supports this control. If it's not supported, the state tracker may
+have to insert extra clamping code.
+
+
clamp_fragment_color
^^^^^^^^^^^^^^^^^^^^
@@ -30,6 +35,10 @@ OpenGL: glClampColor(GL_CLAMP_FRAGMENT_COLOR) in GL 3.0 or ARB_color_buffer_floa
D3D11: seems always disabled
+Note the PIPE_CAP_FRAGMENT_COLOR_CLAMPED query indicates whether or not the
+driver supports this control. If it's not supported, the state tracker may
+have to insert extra clamping code.
+
Shading
-------