ffvertex: emit full LIT when attenuating (needs the 1 in X position)

diff --git a/src/mesa/main/ffvertex_prog.c b/src/mesa/main/ffvertex_prog.c
index a790d4b..2ef3286 100644 (file)
--- a/src/mesa/main/ffvertex_prog.c
+++ b/src/mesa/main/ffvertex_prog.c
@@ -1161,15 +1161,6 @@ static void build_lighting( struct tnl_program *p )
            struct ureg res0, res1;
            GLuint mask0, mask1;
 
-            if (p->state->material_shininess_is_zero) {
-               emit_degenerate_lit(p, lit, dots);
-            } else {
-               emit_op1(p, OPCODE_LIT, lit, 0, dots);
-            }
-   
-           if (!is_undef(att)) 
-              emit_op2(p, OPCODE_MUL, lit, 0, lit, att);
-   
            
            if (count == nr_lights) {
               if (separate) {
@@ -1191,7 +1182,21 @@ static void build_lighting( struct tnl_program *p )
               res1 = _col1;
            }
 
-           emit_op2(p, OPCODE_ADD, _col0, 0, ambient, _col0);
+
+           if (!is_undef(att)) {
+               emit_op1(p, OPCODE_LIT, lit, 0, dots);
+               emit_op2(p, OPCODE_MUL, lit, 0, lit, att);
+               emit_op3(p, OPCODE_MAD, _col0, 0, swizzle1(lit,X), ambient, _col0);
+            } 
+            else if (!p->state->material_shininess_is_zero) {
+               emit_op1(p, OPCODE_LIT, lit, 0, dots);
+               emit_op2(p, OPCODE_ADD, _col0, 0, ambient, _col0);
+            } 
+            else {
+               emit_degenerate_lit(p, lit, dots);
+               emit_op2(p, OPCODE_ADD, _col0, 0, ambient, _col0);
+            }
+
            emit_op3(p, OPCODE_MAD, res0, mask0, swizzle1(lit,Y), diffuse, _col0);
            emit_op3(p, OPCODE_MAD, res1, mask1, swizzle1(lit,Z), specular, _col1);
       
@@ -1209,15 +1214,6 @@ static void build_lighting( struct tnl_program *p )
            struct ureg res0, res1;
            GLuint mask0, mask1;
               
-            if (p->state->material_shininess_is_zero) {
-               emit_degenerate_lit(p, lit, negate(swizzle(dots,X,Y,W,Z)));
-            } else {
-               emit_op1(p, OPCODE_LIT, lit, 0, negate(swizzle(dots,X,Y,W,Z)));
-            }
-
-           if (!is_undef(att)) 
-              emit_op2(p, OPCODE_MUL, lit, 0, lit, att);
-
            if (count == nr_lights) {
               if (separate) {
                  mask0 = WRITEMASK_XYZ;
@@ -1238,6 +1234,22 @@ static void build_lighting( struct tnl_program *p )
               mask1 = 0;
            }
 
+            dots = negate(swizzle(dots,X,Y,W,Z));
+
+           if (!is_undef(att)) {
+               emit_op1(p, OPCODE_LIT, lit, 0, dots);
+              emit_op2(p, OPCODE_MUL, lit, 0, lit, att);
+               emit_op3(p, OPCODE_MAD, _bfc0, 0, swizzle1(lit,X), ambient, _bfc0);
+            }
+            else if (!p->state->material_shininess_is_zero) {
+               emit_op1(p, OPCODE_LIT, lit, 0, dots);
+               emit_op2(p, OPCODE_ADD, _col0, 0, ambient, _col0);
+            } 
+            else {
+               emit_degenerate_lit(p, lit, dots);
+               emit_op2(p, OPCODE_ADD, _col0, 0, ambient, _col0);
+            }
+
            emit_op2(p, OPCODE_ADD, _bfc0, 0, ambient, _bfc0);
            emit_op3(p, OPCODE_MAD, res0, mask0, swizzle1(lit,Y), diffuse, _bfc0);
            emit_op3(p, OPCODE_MAD, res1, mask1, swizzle1(lit,Z), specular, _bfc1);

diff --git a/src/mesa/main/light.c b/src/mesa/main/light.c
index 6e05761..0af647e 100644 (file)
--- a/src/mesa/main/light.c
+++ b/src/mesa/main/light.c
@@ -1357,6 +1357,7 @@ _mesa_init_lighting( GLcontext *ctx )
    /* Miscellaneous */
    ctx->Light._NeedEyeCoords = GL_FALSE;
    ctx->_NeedEyeCoords = GL_FALSE;
+   ctx->_ForceEyeCoords = GL_TRUE;
    ctx->_ModelViewInvScale = 1.0;
 }