llvmpipe: fix multisample lines.
This also needs another lines fix, but at least align the code with tri and points Cc: "20.3" <mesa-stable@lists.freedesktop.org> Reviewed-by: Roland Scheidegger <sroland@vmware.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7705>
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@ -71,10 +71,8 @@ dEQP-GLES3.functional.polygon_offset.fixed16_render_with_units,Fail
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dEQP-GLES3.functional.polygon_offset.fixed24_displacement_with_units,Fail
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dEQP-GLES3.functional.polygon_offset.fixed24_render_with_units,Fail
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dEQP-GLES3.functional.polygon_offset.float32_displacement_with_units,Fail
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dEQP-GLES3.functional.rasterization.fbo.rbo_multisample_4.interpolation.lines,Fail
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dEQP-GLES3.functional.rasterization.fbo.rbo_multisample_4.primitives.lines,Fail
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dEQP-GLES3.functional.rasterization.fbo.rbo_multisample_4.primitives.points,Fail
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dEQP-GLES3.functional.rasterization.fbo.rbo_multisample_max.interpolation.lines,Fail
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dEQP-GLES3.functional.rasterization.fbo.rbo_multisample_max.primitives.lines,Fail
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dEQP-GLES3.functional.rasterization.fbo.rbo_multisample_max.primitives.points,Fail
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dEQP-GLES3.functional.rasterization.fbo.rbo_singlesample.interpolation.lines_wide,Fail
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@ -298,7 +298,7 @@ try_setup_line( struct lp_setup_context *setup,
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int nr_planes = 4;
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unsigned viewport_index = 0;
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unsigned layer = 0;
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float pixel_offset = setup->multisample ? 0.0 : setup->pixel_offset;
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/* linewidth should be interpreted as integer */
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int fixed_width = util_iround(width) * FIXED_ONE;
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@ -444,15 +444,15 @@ try_setup_line( struct lp_setup_context *setup,
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}
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/* x/y positions in fixed point */
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x[0] = subpixel_snap(v1[0][0] + x_offset - setup->pixel_offset);
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x[1] = subpixel_snap(v2[0][0] + x_offset_end - setup->pixel_offset);
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x[2] = subpixel_snap(v2[0][0] + x_offset_end - setup->pixel_offset);
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x[3] = subpixel_snap(v1[0][0] + x_offset - setup->pixel_offset);
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x[0] = subpixel_snap(v1[0][0] + x_offset - pixel_offset);
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x[1] = subpixel_snap(v2[0][0] + x_offset_end - pixel_offset);
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x[2] = subpixel_snap(v2[0][0] + x_offset_end - pixel_offset);
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x[3] = subpixel_snap(v1[0][0] + x_offset - pixel_offset);
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y[0] = subpixel_snap(v1[0][1] + y_offset - setup->pixel_offset) - fixed_width/2;
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y[1] = subpixel_snap(v2[0][1] + y_offset_end - setup->pixel_offset) - fixed_width/2;
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y[2] = subpixel_snap(v2[0][1] + y_offset_end - setup->pixel_offset) + fixed_width/2;
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y[3] = subpixel_snap(v1[0][1] + y_offset - setup->pixel_offset) + fixed_width/2;
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y[0] = subpixel_snap(v1[0][1] + y_offset - pixel_offset) - fixed_width/2;
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y[1] = subpixel_snap(v2[0][1] + y_offset_end - pixel_offset) - fixed_width/2;
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y[2] = subpixel_snap(v2[0][1] + y_offset_end - pixel_offset) + fixed_width/2;
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y[3] = subpixel_snap(v1[0][1] + y_offset - pixel_offset) + fixed_width/2;
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}
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else {
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@ -541,15 +541,15 @@ try_setup_line( struct lp_setup_context *setup,
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}
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/* x/y positions in fixed point */
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x[0] = subpixel_snap(v1[0][0] + x_offset - setup->pixel_offset) - fixed_width/2;
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x[1] = subpixel_snap(v2[0][0] + x_offset_end - setup->pixel_offset) - fixed_width/2;
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x[2] = subpixel_snap(v2[0][0] + x_offset_end - setup->pixel_offset) + fixed_width/2;
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x[3] = subpixel_snap(v1[0][0] + x_offset - setup->pixel_offset) + fixed_width/2;
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x[0] = subpixel_snap(v1[0][0] + x_offset - pixel_offset) - fixed_width/2;
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x[1] = subpixel_snap(v2[0][0] + x_offset_end - pixel_offset) - fixed_width/2;
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x[2] = subpixel_snap(v2[0][0] + x_offset_end - pixel_offset) + fixed_width/2;
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x[3] = subpixel_snap(v1[0][0] + x_offset - pixel_offset) + fixed_width/2;
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y[0] = subpixel_snap(v1[0][1] + y_offset - setup->pixel_offset);
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y[1] = subpixel_snap(v2[0][1] + y_offset_end - setup->pixel_offset);
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y[2] = subpixel_snap(v2[0][1] + y_offset_end - setup->pixel_offset);
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y[3] = subpixel_snap(v1[0][1] + y_offset - setup->pixel_offset);
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y[0] = subpixel_snap(v1[0][1] + y_offset - pixel_offset);
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y[1] = subpixel_snap(v2[0][1] + y_offset_end - pixel_offset);
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y[2] = subpixel_snap(v2[0][1] + y_offset_end - pixel_offset);
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y[3] = subpixel_snap(v1[0][1] + y_offset - pixel_offset);
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}
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/* Bounding rectangle (in pixels) */
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@ -670,7 +670,7 @@ try_setup_line( struct lp_setup_context *setup,
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plane[i].c++;
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}
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else if (plane[i].dcdx == 0) {
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if (setup->pixel_offset == 0) {
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if (pixel_offset == 0) {
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/* correct for top-left fill convention:
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*/
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if (plane[i].dcdy > 0) plane[i].c++;
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