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gallium: remove polygon_offset_units_unscaled pipe cap

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This was only used by nine.

Reviewed-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35147>
This commit is contained in:
Georg Lehmann 2025-05-24 16:44:56 +02:00 • committed by Marge Bot
parent 282310e1fe
commit bfeaf78922
5 changed files with 0 additions and 17 deletions
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6
docs/gallium/cso/rasterizer.rst
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@ -120,12 +120,6 @@ offset_tri
offset_units
Specifies the polygon offset bias
offset_units_unscaled
Specifies the unit of the polygon offset bias. If false, use the
GL/D3D1X behavior. If true, offset_units is a floating point offset
which isn't scaled (D3D9). Note that GL/D3D1X behavior has different
formula whether the depth buffer is unorm or float, which is not
the case for D3D9.
offset_scale
Specifies the polygon offset scale
offset_clamp

2
docs/gallium/screen.rst
View file

@ -377,8 +377,6 @@ Capability about the features and limits of the driver/GPU.
shaders.
* ``pipe_caps.max_window_rectangles``: The maximum number of window rectangles
supported in ``set_window_rectangles``.
* ``pipe_caps.polygon_offset_units_unscaled``: If true, the driver implements support
for ``pipe_rasterizer_state::offset_units_unscaled``.
* ``pipe_caps.viewport_subpixel_bits``: Number of bits of subpixel precision for
floating point viewport bounds.
* ``pipe_caps.rasterizer_subpixel_bits``: Number of bits of subpixel precision used

1
src/gallium/drivers/nouveau/nv30/nv30_screen.c
View file

@ -227,7 +227,6 @@ nv30_init_screen_caps(struct nv30_screen *screen)
caps->cull_distance = false;
caps->shader_group_vote = false;
caps->max_window_rectangles = 0;
caps->polygon_offset_units_unscaled = false;
caps->viewport_subpixel_bits = 0;
caps->mixed_color_depth_bits = 0;
caps->shader_array_components = false;

1
src/gallium/include/pipe/p_defines.h
View file

@ -896,7 +896,6 @@ struct pipe_caps {
bool robust_buffer_access_behavior;
bool cull_distance;
bool shader_group_vote;
bool polygon_offset_units_unscaled;
bool shader_array_components;
bool stream_output_interleave_buffers;
bool native_fence_fd;

7
src/gallium/include/pipe/p_state.h
View file

@ -180,13 +180,6 @@ struct pipe_rasterizer_state
*/
unsigned clip_halfz:1;
/**
* When true do not scale offset_units and use same rules for unorm and
* float depth buffers (D3D9). When false use GL/D3D1X behaviour.
* This depends on pipe_caps.polygon_offset_units_unscaled.
*/
unsigned offset_units_unscaled:1;
/**
* Depth values output from fragment shader may be outside 0..1.
* These have to be clamped for use with UNORM buffers.