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Previously, if a fragment program referenced fragment.fogcoord but the

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program didn't use the ARB_fog_linear option, the fragment program's
fragment.fogcoord register wasn't loaded properly.
This commit is contained in:
Brian Paul 2006-10-25 23:10:14 +00:00
parent e9b923182e
commit fe457474d4
1 changed files with 3 additions and 2 deletions
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5
src/mesa/tnl/t_context.c
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@ -1,6 +1,6 @@
/*
* Mesa 3-D graphics library
* Version: 6.5
* Version: 6.5.2
*
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
@ -184,7 +184,8 @@ _tnl_InvalidateState( GLcontext *ctx, GLuint new_state )
if (ctx->Fog.Enabled ||
(ctx->FragmentProgram._Active &&
ctx->FragmentProgram._Current->FogOption != GL_NONE))
(ctx->FragmentProgram._Current->FogOption != GL_NONE ||
ctx->FragmentProgram._Current->Base.InputsRead & FRAG_BIT_FOGC)))
RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_FOG );
if (ctx->Polygon.FrontMode != GL_FILL ||