gallium: document conservative rasterization flags
[mesa.git] / src / gallium / docs / source / screen.rst
index 7d3b262d240938b25b22cbd7a4eb0029182c9128..fcb16aebe2d6cc12b50713dbcf2ab556473118b0 100644 (file)
@@ -456,14 +456,21 @@ The integer capabilities:
   as opposed to padding to vec4s.
 * ``PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_TRIANGLES``: Whether the
   ``PIPE_CONSERVATIVE_RASTER_POST_SNAP`` mode is supported for triangles.
+  The post-snap mode means the conservative rasterization occurs after
+  the conversion from floating-point to fixed-point coordinates
+  on the subpixel grid.
 * ``PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_POINTS_LINES``: Whether the
   ``PIPE_CONSERVATIVE_RASTER_POST_SNAP`` mode is supported for points and lines.
 * ``PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_TRIANGLES``: Whether the
   ``PIPE_CONSERVATIVE_RASTER_PRE_SNAP`` mode is supported for triangles.
+  The pre-snap mode means the conservative rasterization occurs before
+  the conversion from floating-point to fixed-point coordinates.
 * ``PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_POINTS_LINES``: Whether the
   ``PIPE_CONSERVATIVE_RASTER_PRE_SNAP`` mode is supported for points and lines.
 * ``PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE``: Whether
   ``PIPE_CAP_POST_DEPTH_COVERAGE`` works with conservative rasterization.
+* ``PIPE_CAP_CONSERVATIVE_RASTER_INNER_COVERAGE``: Whether
+  inner_coverage from GL_INTEL_conservative_rasterization is supported.
 * ``PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS``: The maximum
   subpixel precision bias in bits during conservative rasterization.
 * ``PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS``: True is the driver supports
@@ -504,6 +511,11 @@ The integer capabilities:
 * ``PIPE_CAP_COMPUTE_GRID_INFO_LAST_BLOCK``: Whether pipe_grid_info::last_block
   is implemented by the driver. See struct pipe_grid_info for more details.
 * ``PIPE_CAP_COMPUTE_SHADER_DERIVATIVE``: True if the driver supports derivatives (and texture lookups with implicit derivatives) in compute shaders.
+* ``PIPE_CAP_TGSI_SKIP_SHRINK_IO_ARRAYS``:  Whether the TGSI pass to shrink IO
+  arrays should be skipped and enforce keeping the declared array sizes instead.
+  A driver might rely on the input mapping that was defined with the original
+  GLSL code.
+* ``PIPE_CAP_IMAGE_LOAD_FORMATTED``: True if a format for image loads does not need to be specified in the shader IR
 
 .. _pipe_capf: