X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fffvertex_prog.c;h=356476e35a5c5b90408a9f971ee4c103935a7e1b;hb=8130375e775bd5ba6a47412b0ea8ec9f23dc5972;hp=80dde4b5aa2338a93a79d3db5ddd4625f3266d7e;hpb=4147bb24d49a10498e00039fc1dc9aa5f1316777;p=mesa.git

diff --git a/src/mesa/main/ffvertex_prog.c b/src/mesa/main/ffvertex_prog.c
index 80dde4b5aa2..356476e35a5 100644
--- a/src/mesa/main/ffvertex_prog.c
+++ b/src/mesa/main/ffvertex_prog.c
@@ -46,6 +46,9 @@
 #include "shader/prog_statevars.h"
 
 
+/** Max of number of lights and texture coord units */
+#define NUM_UNITS MAX2(MAX_TEXTURE_COORD_UNITS, MAX_LIGHTS)
+
 struct state_key {
    unsigned light_color_material_mask:12;
    unsigned light_global_enabled:1;
@@ -77,7 +80,7 @@ struct state_key {
       unsigned texgen_mode1:4;
       unsigned texgen_mode2:4;
       unsigned texgen_mode3:4;
-   } unit[8];
+   } unit[NUM_UNITS];
 };
 
 
@@ -1306,7 +1309,9 @@ static void build_fog( struct tnl_program *p )
       input = swizzle1(register_input(p, VERT_ATTRIB_FOG), X);
    }
 
+   /* result.fog = {abs(f),0,0,1}; */
    emit_op1(p, OPCODE_ABS, fog, WRITEMASK_X, input);
+   emit_op1(p, OPCODE_MOV, fog, WRITEMASK_YZW, get_identity_param(p));
 }