tnl: Remove color-index TNL support

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>

5 files changed, 39 insertions, 261 deletions

diff --git a/src/mesa/swrast_setup/ss_context.c b/src/mesa/swrast_setup/ss_context.c
index bc1ec58992..ebd1574c43 100644
--- a/src/mesa/swrast_setup/ss_context.c
+++ b/src/mesa/swrast_setup/ss_context.c
@@ -141,11 +141,6 @@ setup_vertex_format(GLcontext *ctx)
          EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_4F, attrib[FRAG_ATTRIB_COL1]);
       }
 
-      if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_COLOR_INDEX )) {
-         EMIT_ATTR( _TNL_ATTRIB_COLOR_INDEX, EMIT_1F,
-                    attrib[FRAG_ATTRIB_CI][0] );
-      }
-
       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]);
diff --git a/src/mesa/tnl/t_context.c b/src/mesa/tnl/t_context.c
index 5a14e595a0..f27c8ad9d6 100644
--- a/src/mesa/tnl/t_context.c
+++ b/src/mesa/tnl/t_context.c
@@ -107,6 +107,7 @@ _tnl_InvalidateState( GLcontext *ctx, GLuint new_state )
    TNLcontext *tnl = TNL_CONTEXT(ctx);
    const struct gl_vertex_program *vp = ctx->VertexProgram._Current;
    const struct gl_fragment_program *fp = ctx->FragmentProgram._Current;
+   GLuint i;
 
    if (new_state & (_NEW_HINT | _NEW_PROGRAM)) {
       ASSERT(tnl->AllowVertexFog || tnl->AllowPixelFog);
@@ -119,29 +120,21 @@ _tnl_InvalidateState( GLcontext *ctx, GLuint new_state )
    /* Calculate tnl->render_inputs.  This bitmask indicates which vertex
     * attributes need to be emitted to the rasterizer.
     */
-   if (ctx->Visual.rgbMode) {
-      GLuint i;
-
-      RENDERINPUTS_ZERO( tnl->render_inputs_bitset );
-      RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_POS );
+   RENDERINPUTS_ZERO( tnl->render_inputs_bitset );
+   RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_POS );
 
-      if (!fp || (fp->Base.InputsRead & FRAG_BIT_COL0)) {
-         RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_COLOR0 );
-      }
+   if (!fp || (fp->Base.InputsRead & FRAG_BIT_COL0)) {
+     RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_COLOR0 );
+   }
 
-      if (NEED_SECONDARY_COLOR(ctx))
-         RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_COLOR1 );
+   if (NEED_SECONDARY_COLOR(ctx))
+     RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_COLOR1 );
 
-      for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
-         if (ctx->Texture._EnabledCoordUnits & (1 << i) ||
-             (fp && fp->Base.InputsRead & FRAG_BIT_TEX(i))) {
-            RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_TEX(i) );
-         }
-      }
-   }
-   else {
-      RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_POS );
-      RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_COLOR_INDEX );
+   for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
+     if (ctx->Texture._EnabledCoordUnits & (1 << i) ||
+	 (fp && fp->Base.InputsRead & FRAG_BIT_TEX(i))) {
+       RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_TEX(i) );
+     }
    }
 
    if (ctx->Fog.Enabled) {
diff --git a/src/mesa/tnl/t_rasterpos.c b/src/mesa/tnl/t_rasterpos.c
index 13b84a7d77..3596d162b2 100644
--- a/src/mesa/tnl/t_rasterpos.c
+++ b/src/mesa/tnl/t_rasterpos.c
@@ -119,8 +119,7 @@ shade_rastpos(GLcontext *ctx,
               const GLfloat vertex[4],
               const GLfloat normal[3],
               GLfloat Rcolor[4],
-              GLfloat Rspec[4],
-              GLfloat *Rindex)
+              GLfloat Rspec[4])
 {
    /*const*/ GLfloat (*base)[3] = ctx->Light._BaseColor;
    const struct gl_light *light;
@@ -244,28 +243,14 @@ shade_rastpos(GLcontext *ctx,
       ACC_SCALE_SCALAR_3V( specularColor, attenuation, specularContrib );
    }
 
-   if (ctx->Visual.rgbMode) {
-      Rcolor[0] = CLAMP(diffuseColor[0], 0.0F, 1.0F);
-      Rcolor[1] = CLAMP(diffuseColor[1], 0.0F, 1.0F);
-      Rcolor[2] = CLAMP(diffuseColor[2], 0.0F, 1.0F);
-      Rcolor[3] = CLAMP(diffuseColor[3], 0.0F, 1.0F);
-      Rspec[0] = CLAMP(specularColor[0], 0.0F, 1.0F);
-      Rspec[1] = CLAMP(specularColor[1], 0.0F, 1.0F);
-      Rspec[2] = CLAMP(specularColor[2], 0.0F, 1.0F);
-      Rspec[3] = CLAMP(specularColor[3], 0.0F, 1.0F);
-   }
-   else {
-      GLfloat *ind = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_INDEXES];
-      GLfloat d_a = ind[MAT_INDEX_DIFFUSE] - ind[MAT_INDEX_AMBIENT];
-      GLfloat s_a = ind[MAT_INDEX_SPECULAR] - ind[MAT_INDEX_AMBIENT];
-      GLfloat i = (ind[MAT_INDEX_AMBIENT]
-		   + diffuseCI * (1.0F-specularCI) * d_a
-		   + specularCI * s_a);
-      if (i > ind[MAT_INDEX_SPECULAR]) {
-	 i = ind[MAT_INDEX_SPECULAR];
-      }
-      *Rindex = i;
-   }
+   Rcolor[0] = CLAMP(diffuseColor[0], 0.0F, 1.0F);
+   Rcolor[1] = CLAMP(diffuseColor[1], 0.0F, 1.0F);
+   Rcolor[2] = CLAMP(diffuseColor[2], 0.0F, 1.0F);
+   Rcolor[3] = CLAMP(diffuseColor[3], 0.0F, 1.0F);
+   Rspec[0] = CLAMP(specularColor[0], 0.0F, 1.0F);
+   Rspec[1] = CLAMP(specularColor[1], 0.0F, 1.0F);
+   Rspec[2] = CLAMP(specularColor[2], 0.0F, 1.0F);
+   Rspec[3] = CLAMP(specularColor[3], 0.0F, 1.0F);
 }
 
 
@@ -469,21 +454,14 @@ _tnl_RasterPos(GLcontext *ctx, const GLfloat vObj[4])
          /* lighting */
          shade_rastpos( ctx, vObj, norm,
                         ctx->Current.RasterColor,
-                        ctx->Current.RasterSecondaryColor,
-                        &ctx->Current.RasterIndex );
+                        ctx->Current.RasterSecondaryColor );
       }
       else {
-         /* use current color or index */
-         if (ctx->Visual.rgbMode) {
-            COPY_4FV(ctx->Current.RasterColor,
-                     ctx->Current.Attrib[VERT_ATTRIB_COLOR0]);
-            COPY_4FV(ctx->Current.RasterSecondaryColor,
-                     ctx->Current.Attrib[VERT_ATTRIB_COLOR1]);
-         }
-         else {
-            ctx->Current.RasterIndex
-               = ctx->Current.Attrib[VERT_ATTRIB_COLOR_INDEX][0];
-         }
+         /* use current color */
+	 COPY_4FV(ctx->Current.RasterColor,
+		  ctx->Current.Attrib[VERT_ATTRIB_COLOR0]);
+	 COPY_4FV(ctx->Current.RasterSecondaryColor,
+		  ctx->Current.Attrib[VERT_ATTRIB_COLOR1]);
       }
 
       /* texture coords */
diff --git a/src/mesa/tnl/t_vb_light.c b/src/mesa/tnl/t_vb_light.c
index 8a0fe63fd8..e7309aaac6 100644
--- a/src/mesa/tnl/t_vb_light.c
+++ b/src/mesa/tnl/t_vb_light.c
@@ -64,7 +64,6 @@ struct light_stage_data {
    GLvector4f Input;
    GLvector4f LitColor[2];
    GLvector4f LitSecondary[2];
-   GLvector4f LitIndex[2];
    light_func *light_func_tab;
 
    struct material_cursor mat[MAT_ATTRIB_MAX];
@@ -161,7 +160,6 @@ static light_func _tnl_light_tab[MAX_LIGHT_FUNC];
 static light_func _tnl_light_fast_tab[MAX_LIGHT_FUNC];
 static light_func _tnl_light_fast_single_tab[MAX_LIGHT_FUNC];
 static light_func _tnl_light_spec_tab[MAX_LIGHT_FUNC];
-static light_func _tnl_light_ci_tab[MAX_LIGHT_FUNC];
 
 #define TAG(x)           x
 #define IDX              (0)
@@ -260,22 +258,18 @@ static void validate_lighting( GLcontext *ctx,
    if (!ctx->Light.Enabled || ctx->VertexProgram._Current)
       return;
 
-   if (ctx->Visual.rgbMode) {
-      if (ctx->Light._NeedVertices) {
-	 if (ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR)
-	    tab = _tnl_light_spec_tab;
-	 else
-	    tab = _tnl_light_tab;
-      }
-      else {
-	 if (ctx->Light.EnabledList.next == ctx->Light.EnabledList.prev)
-	    tab = _tnl_light_fast_single_tab;
-	 else
-	    tab = _tnl_light_fast_tab;
-      }
+   if (ctx->Light._NeedVertices) {
+      if (ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR)
+	 tab = _tnl_light_spec_tab;
+      else
+	 tab = _tnl_light_tab;
+   }
+   else {
+      if (ctx->Light.EnabledList.next == ctx->Light.EnabledList.prev)
+	 tab = _tnl_light_fast_single_tab;
+      else
+	 tab = _tnl_light_fast_tab;
    }
-   else
-      tab = _tnl_light_ci_tab;
 
 
    LIGHT_STAGE_DATA(stage)->light_func_tab = tab;
@@ -311,19 +305,12 @@ static GLboolean init_lighting( GLcontext *ctx,
    _mesa_vector4f_alloc( &store->LitColor[1], 0, size, 32 );
    _mesa_vector4f_alloc( &store->LitSecondary[0], 0, size, 32 );
    _mesa_vector4f_alloc( &store->LitSecondary[1], 0, size, 32 );
-   _mesa_vector4f_alloc( &store->LitIndex[0], 0, size, 32 );
-   _mesa_vector4f_alloc( &store->LitIndex[1], 0, size, 32 );
 
    store->LitColor[0].size = 4;
    store->LitColor[1].size = 4;
    store->LitSecondary[0].size = 3;
    store->LitSecondary[1].size = 3;
 
-   store->LitIndex[0].size = 1;
-   store->LitIndex[0].stride = sizeof(GLfloat);
-   store->LitIndex[1].size = 1;
-   store->LitIndex[1].stride = sizeof(GLfloat);
-
    return GL_TRUE;
 }
 
@@ -340,8 +327,6 @@ static void dtr( struct tnl_pipeline_stage *stage )
       _mesa_vector4f_free( &store->LitColor[1] );
       _mesa_vector4f_free( &store->LitSecondary[0] );
       _mesa_vector4f_free( &store->LitSecondary[1] );
-      _mesa_vector4f_free( &store->LitIndex[0] );
-      _mesa_vector4f_free( &store->LitIndex[1] );
       FREE( store );
       stage->privatePtr = NULL;
    }
diff --git a/src/mesa/tnl/t_vb_lighttmp.h b/src/mesa/tnl/t_vb_lighttmp.h
index 4ebef2356f..0a98c6b02a 100644
--- a/src/mesa/tnl/t_vb_lighttmp.h
+++ b/src/mesa/tnl/t_vb_lighttmp.h
@@ -637,185 +637,12 @@ static void TAG(light_fast_rgba)( GLcontext *ctx,
 
 
 
-
-/*
- * Use current lighting/material settings to compute the color indexes
- * for an array of vertices.
- * Input:  n - number of vertices to light
- *         side - 0=use front material, 1=use back material
- *         vertex - array of [n] vertex position in eye coordinates
- *         normal - array of [n] surface normal vector
- * Output:  indexResult - resulting array of [n] color indexes
- */
-static void TAG(light_ci)( GLcontext *ctx,
-			   struct vertex_buffer *VB,
-			   struct tnl_pipeline_stage *stage,
-			   GLvector4f *input )
-{
-   struct light_stage_data *store = LIGHT_STAGE_DATA(stage);
-   GLuint j;
-   const GLuint vstride = input->stride;
-   const GLfloat *vertex = (GLfloat *) input->data;
-   const GLuint nstride = VB->AttribPtr[_TNL_ATTRIB_NORMAL]->stride;
-   const GLfloat *normal = (GLfloat *)VB->AttribPtr[_TNL_ATTRIB_NORMAL]->data;
-   GLfloat *indexResult[2];
-   const GLuint nr = VB->Count;
-
-#ifdef TRACE
-   fprintf(stderr, "%s\n", __FUNCTION__ );
-#endif
-
-   VB->AttribPtr[_TNL_ATTRIB_COLOR_INDEX] = &store->LitIndex[0];
-#if IDX & LIGHT_TWOSIDE
-   VB->BackfaceIndexPtr = &store->LitIndex[1];
-#endif
-
-   indexResult[0] = (GLfloat *)VB->AttribPtr[_TNL_ATTRIB_COLOR_INDEX]->data;
-#if IDX & LIGHT_TWOSIDE
-   indexResult[1] = (GLfloat *)VB->BackfaceIndexPtr->data;
-#endif
-
-   /* loop over vertices */
-   for (j=0; j<nr; j++,STRIDE_F(vertex,vstride),STRIDE_F(normal, nstride)) {
-      GLfloat diffuse[2], specular[2];
-      GLuint side = 0;
-      struct gl_light *light;
-
-#if IDX & LIGHT_MATERIAL
-      update_materials( ctx, store );
-#endif
-
-      diffuse[0] = specular[0] = 0.0F;
-
-#if IDX & LIGHT_TWOSIDE
-	 diffuse[1] = specular[1] = 0.0F;
-#endif
-
-      /* Accumulate diffuse and specular from each light source */
-      foreach (light, &ctx->Light.EnabledList) {
-
-	 GLfloat attenuation = 1.0F;
-	 GLfloat VP[3];  /* unit vector from vertex to light */
-	 GLfloat n_dot_VP;  /* dot product of l and n */
-	 GLfloat *h, n_dot_h, correction = 1.0;
-
-	 /* compute l and attenuation */
-	 if (!(light->_Flags & LIGHT_POSITIONAL)) {
-	    /* directional light */
-	    COPY_3V(VP, light->_VP_inf_norm);
-	 }
-	 else {
-	    GLfloat d;     /* distance from vertex to light */
-
-	    SUB_3V(VP, light->_Position, vertex);
-
-	    d = (GLfloat) LEN_3FV( VP );
-	    if ( d > 1e-6) {
-	       GLfloat invd = 1.0F / d;
-	       SELF_SCALE_SCALAR_3V(VP, invd);
-	    }
-
-	    attenuation = 1.0F / (light->ConstantAttenuation + d *
-				  (light->LinearAttenuation + d *
-				   light->QuadraticAttenuation));
-
-	    /* spotlight attenuation */
-	    if (light->_Flags & LIGHT_SPOT) {
-	       GLfloat PV_dot_dir = - DOT3(VP, light->_NormSpotDirection);
-	       if (PV_dot_dir < light->_CosCutoff) {
-		  continue; /* this light makes no contribution */
-	       }
-	       else {
-		  GLdouble x = PV_dot_dir * (EXP_TABLE_SIZE-1);
-		  GLint k = (GLint) x;
-		  GLfloat spot = (GLfloat) (light->_SpotExpTable[k][0]
-				  + (x-k)*light->_SpotExpTable[k][1]);
-		  attenuation *= spot;
-	       }
-	    }
-	 }
-
-	 if (attenuation < 1e-3)
-	    continue;		/* this light makes no contribution */
-
-	 n_dot_VP = DOT3( normal, VP );
-
-	 /* which side are we lighting? */
-	 if (n_dot_VP < 0.0F) {
-#if IDX & LIGHT_TWOSIDE
-	    side = 1;
-	    correction = -1;
-	    n_dot_VP = -n_dot_VP;
-#else
-            continue;
-#endif
-	 }
-
-	 /* accumulate diffuse term */
-	 diffuse[side] += n_dot_VP * light->_dli * attenuation;
-
-	 /* specular term */
-	 if (ctx->Light.Model.LocalViewer) {
-	    GLfloat v[3];
-	    COPY_3V(v, vertex);
-	    NORMALIZE_3FV(v);
-	    SUB_3V(VP, VP, v);                /* h = VP + VPe */
-	    h = VP;
-	    NORMALIZE_3FV(h);
-	 }
-	 else if (light->_Flags & LIGHT_POSITIONAL) {
-	    h = VP;
-            /* Strangely, disabling this addition fixes a conformance
-             * problem.  If this code is enabled, l_sed.c fails.
-             */
-	    /*ACC_3V(h, ctx->_EyeZDir);*/
-	    NORMALIZE_3FV(h);
-	 }
-         else {
-	    h = light->_h_inf_norm;
-	 }
-
-	 n_dot_h = correction * DOT3(normal, h);
-	 if (n_dot_h > 0.0F) {
-	    GLfloat spec_coef;
-	    struct gl_shine_tab *tab = ctx->_ShineTable[side];
-	    GET_SHINE_TAB_ENTRY( tab, n_dot_h, spec_coef);
-	    specular[side] += spec_coef * light->_sli * attenuation;
-	 }
-      } /*loop over lights*/
-
-      /* Now compute final color index */
-      for (side = 0 ; side < NR_SIDES ; side++) {
-	 const GLfloat *ind = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_INDEXES + side];
-	 GLfloat index;
-
-	 if (specular[side] > 1.0F) {
-	    index = ind[MAT_INDEX_SPECULAR];
-	 }
-	 else {
-	    GLfloat d_a = ind[MAT_INDEX_DIFFUSE] - ind[MAT_INDEX_AMBIENT];
-	    GLfloat s_a = ind[MAT_INDEX_SPECULAR] - ind[MAT_INDEX_AMBIENT];
-	    index = (ind[MAT_INDEX_AMBIENT]
-		     + diffuse[side] * (1.0F-specular[side]) * d_a
-		     + specular[side] * s_a);
-	    if (index > ind[MAT_INDEX_SPECULAR]) {
-	       index = ind[MAT_INDEX_SPECULAR];
-	    }
-	 }
-	 indexResult[side][j] = index;
-      }
-   } /*for vertex*/
-}
-
-
-
 static void TAG(init_light_tab)( void )
 {
    _tnl_light_tab[IDX] = TAG(light_rgba);
    _tnl_light_fast_tab[IDX] = TAG(light_fast_rgba);
    _tnl_light_fast_single_tab[IDX] = TAG(light_fast_rgba_single);
    _tnl_light_spec_tab[IDX] = TAG(light_rgba_spec);
-   _tnl_light_ci_tab[IDX] = TAG(light_ci);
 }