[Mesa-dev] [PATCH] st/mesa: set stencil border color the same as intensity

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

This fixes some stencil border color tests on Vega and Raven chips.
---
 src/mesa/state_tracker/st_format.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/mesa/state_tracker/st_format.c b/src/mesa/state_tracker/st_format.c
index c50ce1e14bb..3db3c7e967c 100644
--- a/src/mesa/state_tracker/st_format.c
+++ b/src/mesa/state_tracker/st_format.c
@@ -2538,18 +2538,20 @@ st_translate_color(const union gl_color_union *colorIn,
          out[3] = in[3];
          break;
       case GL_LUMINANCE:
          out[0] = out[1] = out[2] = in[0];
          out[3] = 1.0F;
          break;
       case GL_LUMINANCE_ALPHA:
          out[0] = out[1] = out[2] = in[0];
          out[3] = in[3];
          break;
+      /* Stencil border is tricky on some hw. Help drivers a little here. */
+      case GL_STENCIL_INDEX:
       case GL_INTENSITY:
          out[0] = out[1] = out[2] = out[3] = in[0];
          break;
       default:
          COPY_4V(out, in);
       }
    }
 }
-- 
2.15.1