[Mesa-dev] [PATCH] st/mesa: fix texture border color for RED and RG base formats

[Marek Olšák]

The spec says the border color should be consistent with the internal
format.
---
 src/mesa/state_tracker/st_atom_sampler.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/src/mesa/state_tracker/st_atom_sampler.c 
b/src/mesa/state_tracker/st_atom_sampler.c
index f147d76..b67068d 100644
--- a/src/mesa/state_tracker/st_atom_sampler.c
+++ b/src/mesa/state_tracker/st_atom_sampler.c
@@ -121,6 +121,18 @@ static void
 xlate_border_color(const GLfloat *colorIn, GLenum baseFormat, GLfloat 
*colorOut)
 {
    switch (baseFormat) {
+   case GL_RED:
+      colorOut[0] = colorIn[0];
+      colorOut[1] = 0.0F;
+      colorOut[2] = 0.0F;
+      colorOut[3] = 1.0F;
+      break;
+   case GL_RG:
+      colorOut[0] = colorIn[0];
+      colorOut[1] = colorIn[1];
+      colorOut[2] = 0.0F;
+      colorOut[3] = 1.0F;
+      break;
    case GL_RGB:
       colorOut[0] = colorIn[0];
       colorOut[1] = colorIn[1];
-- 
1.7.0.4

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