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-rw-r--r--src/mesa/swrast_setup/ss_context.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mesa/swrast_setup/ss_context.c b/src/mesa/swrast_setup/ss_context.c
index 360cc61cb1..ccf0eb3d28 100644
--- a/src/mesa/swrast_setup/ss_context.c
+++ b/src/mesa/swrast_setup/ss_context.c
@@ -131,8 +131,10 @@ setup_vertex_format(GLcontext *ctx)
if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_COLOR_INDEX ))
EMIT_ATTR( _TNL_ATTRIB_COLOR_INDEX, EMIT_1F, index );
- if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_FOG ))
- EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1F, attrib[FRAG_ATTRIB_FOGC]);
+ if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_FOG )) {
+ const GLint emit = ctx->FragmentProgram._Current ? EMIT_4F : EMIT_1F;
+ EMIT_ATTR( _TNL_ATTRIB_FOG, emit, attrib[FRAG_ATTRIB_FOGC]);
+ }
if (RENDERINPUTS_TEST_RANGE(index_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX))
{