mesa: merge the prog_src_register::NegateBase and NegateAbs fields

There's really no need for two negation fields.  This came from the
GL_NV_fragment_program extension.  The new, unified Negate bitfield applies
after the absolute value step.

5 files changed, 15 insertions, 16 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_vs_constval.c b/src/mesa/drivers/dri/i965/brw_vs_constval.c
index d29eb17f8c..2637344b48 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_constval.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_constval.c
@@ -96,7 +96,7 @@ static GLubyte get_active( struct tracker *t,
 			   struct prog_src_register src )
 {
    GLuint i;
-   GLubyte active = src.NegateBase; /* NOTE! */
+   GLubyte active = src.Negate; /* NOTE! */
 
    if (src.RelAddr)
       return 0xf;
diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c
index 2ee63129bc..42f6a99142 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c
@@ -899,7 +899,7 @@ static struct brw_reg get_arg( struct brw_vs_compile *c,
 
    /* Note this is ok for non-swizzle instructions: 
     */
-   reg.negate = src->NegateBase ? 1 : 0;   
+   reg.negate = src->Negate ? 1 : 0;   
 
    return reg;
 }
@@ -945,7 +945,7 @@ static void emit_swz( struct brw_vs_compile *c,
    GLuint ones_mask = 0;
    GLuint src_mask = 0;
    GLubyte src_swz[4];
-   GLboolean need_tmp = (src.NegateBase &&
+   GLboolean need_tmp = (src.Negate &&
 			 dst.file != BRW_GENERAL_REGISTER_FILE);
    struct brw_reg tmp = dst;
    GLuint i;
@@ -997,8 +997,8 @@ static void emit_swz( struct brw_vs_compile *c,
    if (ones_mask) 
       brw_MOV(p, brw_writemask(tmp, ones_mask), brw_imm_f(1));
 
-   if (src.NegateBase)
-      brw_MOV(p, brw_writemask(tmp, src.NegateBase), negate(tmp));
+   if (src.Negate)
+      brw_MOV(p, brw_writemask(tmp, src.Negate), negate(tmp));
    
    if (need_tmp) {
       brw_MOV(p, dst, tmp);
diff --git a/src/mesa/drivers/dri/i965/brw_wm_fp.c b/src/mesa/drivers/dri/i965/brw_wm_fp.c
index a7f5f1b9a2..1798d842c7 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_fp.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_fp.c
@@ -80,9 +80,8 @@ static struct prog_src_register src_reg(GLuint file, GLuint idx)
    reg.Index = idx;
    reg.Swizzle = SWIZZLE_NOOP;
    reg.RelAddr = 0;
-   reg.NegateBase = 0;
+   reg.Negate = NEGATE_NONE;
    reg.Abs = 0;
-   reg.NegateAbs = 0;
    return reg;
 }
 
@@ -569,7 +568,7 @@ static void precalc_dst( struct brw_wm_compile *c,
 		    src_undef(),
 		    src_undef());
       /* Avoid letting negation flag of src0 affect our 1 constant. */
-      swz->SrcReg[0].NegateBase &= ~NEGATE_X;
+      swz->SrcReg[0].Negate &= ~NEGATE_X;
    }
    if (dst.WriteMask & WRITEMASK_W) {
       /* dst.w = mov src1.w
@@ -604,7 +603,7 @@ static void precalc_lit( struct brw_wm_compile *c,
 		    src_undef(),
 		    src_undef());
       /* Avoid letting the negation flag of src0 affect our 1 constant. */
-      swz->SrcReg[0].NegateBase = 0;
+      swz->SrcReg[0].Negate = NEGATE_NONE;
    }
 
    if (dst.WriteMask & WRITEMASK_YZ) {
@@ -651,7 +650,7 @@ static void precalc_tex( struct brw_wm_compile *c,
                      src0,
                      src_undef(),
                      src_undef());
-       out->SrcReg[0].NegateBase = 0;
+       out->SrcReg[0].Negate = NEGATE_NONE;
        out->SrcReg[0].Abs = 1;
 
        /* tmp0 = MAX(coord.X, coord.Y) */
@@ -1050,14 +1049,14 @@ void brw_wm_pass_fp( struct brw_wm_compile *c )
       case OPCODE_ABS:
 	 out = emit_insn(c, inst);
 	 out->Opcode = OPCODE_MOV;
-	 out->SrcReg[0].NegateBase = 0;
+	 out->SrcReg[0].Negate = NEGATE_NONE;
 	 out->SrcReg[0].Abs = 1;
 	 break;
 
       case OPCODE_SUB: 
 	 out = emit_insn(c, inst);
 	 out->Opcode = OPCODE_ADD;
-	 out->SrcReg[1].NegateBase ^= 0xf;
+	 out->SrcReg[1].Negate ^= NEGATE_XYZW;
 	 break;
 
       case OPCODE_SCS: 
diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
index 49fea2e41a..385efd2dd3 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
@@ -340,7 +340,7 @@ get_src_reg_const(struct brw_wm_compile *c,
    const_reg = stride(const_reg, 0, 1, 0);
    const_reg.subnr = component * 4;
 
-   if (src->NegateBase)
+   if (src->Negate & (1 << component))
       const_reg = negate(const_reg);
    if (src->Abs)
       const_reg = brw_abs(const_reg);
@@ -377,7 +377,7 @@ static struct brw_reg get_src_reg(struct brw_wm_compile *c,
     else {
        /* other type of source register */
        return get_reg(c, src->File, src->Index, component, nr, 
-                      src->NegateBase, src->Abs);
+                      src->Negate, src->Abs);
     }
 }
 
@@ -402,7 +402,7 @@ static struct brw_reg get_src_reg_imm(struct brw_wm_compile *c,
        const GLfloat *param =
           c->fp->program.Base.Parameters->ParameterValues[src->Index];
        GLfloat value = param[component];
-       if (src->NegateBase)
+       if (src->Negate & (1 << channel))
           value = -value;
        if (src->Abs)
           value = FABSF(value);
diff --git a/src/mesa/drivers/dri/i965/brw_wm_pass0.c b/src/mesa/drivers/dri/i965/brw_wm_pass0.c
index 2debd0678a..92142764f5 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_pass0.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_pass0.c
@@ -322,7 +322,7 @@ static struct brw_wm_ref *get_new_ref( struct brw_wm_compile *c,
       newref->value->lastuse = newref;
    }
 
-   if (src.NegateBase & (1<<i))
+   if (src.Negate & (1 << i))
       newref->hw_reg.negate ^= 1;
 
    if (src.Abs) {