docs: Cleanup Rasterizer a bit.

I'm getting better at this, I think.

src/gallium/docs/source/cso/rasterizer.rst

@@ -11,19 +11,56 @@ multisample state, scissoring and flat/smooth shading.
 Members
 -------
 
+bypass_vs_clip_and_viewport
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Whether the entire TCL pipeline should be bypassed. This implies that
+vertices are pre-transformed for the viewport, and will not be run
+through the vertex shader.
+
+.. note::
+   
+   Implementations may still clip away vertices that are not in the viewport
+   when this is set.
+
 flatshade
-    If set, the provoking vertex of each polygon is used to determine the
+^^^^^^^^^
-    color of the entire polygon.  If not set, fragment colors will be
+
-    interpolated between the vertex colors.
+If set, the provoking vertex of each polygon is used to determine the color
-    Note that this is separate from the fragment shader input attributes
+of the entire polygon.  If not set, fragment colors will be interpolated
-    CONSTANT, LINEAR and PERSPECTIVE.  We need the flatshade state at
+between the vertex colors.
+
+The actual interpolated shading algorithm is obviously
+implementation-dependent, but will usually be Gourard for most hardware.
+
+.. note::
+
+    This is separate from the fragment shader input attributes
+    CONSTANT, LINEAR and PERSPECTIVE. The flatshade state is needed at
     clipping time to determine how to set the color of new vertices.
-    Also note that the draw module can implement flat shading by copying
+
-    the provoking vertex color to all the other vertices in the primitive.
+    :ref:`Draw` can implement flat shading by copying the provoking vertex
+    color to all the other vertices in the primitive.
 
 flatshade_first
-    Whether the first vertex should be the provoking vertex, for most
+^^^^^^^^^^^^^^^
-    primitives. If not set, the last vertex is the provoking vertex.
+
+Whether the first vertex should be the provoking vertex, for most primitives.
+If not set, the last vertex is the provoking vertex.
+
+There are several important exceptions to the specification of this rule.
+
+* ``PIPE_PRIMITIVE_POLYGON``: The provoking vertex is always the first
+  vertex. If the caller wishes to change the provoking vertex, they merely
+  need to rotate the vertices themselves.
+* ``PIPE_PRIMITIVE_QUAD``, ``PIPE_PRIMITIVE_QUAD_STRIP``: This option has no
+  effect; the provoking vertex is always the last vertex.
+* ``PIPE_PRIMITIVE_TRIANGLE_FAN``: When set, the provoking vertex is the
+  second vertex, not the first. This permits each segment of the fan to have
+  a different color.
+
+Other Members
+^^^^^^^^^^^^^
 
 light_twoside
     If set, there are per-vertex back-facing colors.  The draw module
@@ -33,6 +70,7 @@ light_twoside
 front_winding
     Indicates the window order of front-facing polygons, either
     PIPE_WINDING_CW or PIPE_WINDING_CCW
+
 cull_mode
     Indicates which polygons to cull, either PIPE_WINDING_NONE (cull no
     polygons), PIPE_WINDING_CW (cull clockwise-winding polygons),
@@ -110,43 +148,7 @@ scissor
 multisample
     Whether :term:`MSAA` is enabled.
 
-bypass_vs_clip_and_viewport
-    Whether the entire TCL pipeline should be bypassed. This implies that
-    vertices are pre-transformed for the viewport, and will not be run
-    through the vertex shader. Note that implementations may still clip away
-    vertices that are not in the viewport.
-
 gl_rasterization_rules
     Whether the rasterizer should use (0.5, 0.5) pixel centers. When not set,
     the rasterizer will use (0, 0) for pixel centers.
 
-
-Notes
------
-
-flatshade
-^^^^^^^^^
-
-The actual interpolated shading algorithm is obviously
-implementation-dependent, but will usually be Gourard for most hardware.
-
-bypass_vs_clip_and_viewport
-^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-When set, this implies that vertices are pre-transformed for the viewport, and
-will not be run through the vertex shader. Note that implementations may still
-clip away vertices that are not visible.
-
-flatshade_first
-^^^^^^^^^^^^^^^
-
-There are several important exceptions to the specification of this rule.
-
-* ``PIPE_PRIMITIVE_POLYGON``: The provoking vertex is always the first
-  vertex. If the caller wishes to change the provoking vertex, they merely
-  need to rotate the vertices themselves.
-* ``PIPE_PRIMITIVE_QUAD``, ``PIPE_PRIMITIVE_QUAD_STRIP``: This option has no
-  effect; the provoking vertex is always the last vertex.
-* ``PIPE_PRIMITIVE_TRIANGLE_FAN``: When set, the provoking vertex is the
-  second vertex, not the first. This permits each segment of the fan to have
-  a different color.

src/gallium/docs/source/distro.rst

@@ -109,6 +109,8 @@ CSO Cache
 The CSO cache is used to accelerate preparation of state by saving
 driver-specific state structures for later use.
 
+.. _draw:
+
 Draw
 ^^^^