r300g: clean up vs/fs tabs

Instead of vs_tab, we use vs_output_tab and it's local now. fs_tab hasn't
been used anywhere, so I removed it and r300_update_fs_tab too.

2 files changed, 25 insertions, 94 deletions

diff --git a/src/gallium/drivers/r300/r300_context.h b/src/gallium/drivers/r300/r300_context.h
index 60ef415caa9..39c0914cffa 100644
--- a/src/gallium/drivers/r300/r300_context.h
+++ b/src/gallium/drivers/r300/r300_context.h
@@ -223,11 +223,6 @@ struct r300_texture {
 struct r300_vertex_info {
     /* Parent class */
     struct vertex_info vinfo;
-    /* Map of vertex attributes into PVS memory for HW TCL,
-     * or GA memory for SW TCL. */
-    int vs_tab[16];
-    /* Map of rasterizer attributes from GB through RS to US. */
-    int fs_tab[16];
 
     /* R300_VAP_PROG_STREAK_CNTL_[0-7] */
     uint32_t vap_prog_stream_cntl[8];
diff --git a/src/gallium/drivers/r300/r300_state_derived.c b/src/gallium/drivers/r300/r300_state_derived.c
index 962754f3b16..45aeefb483b 100644
--- a/src/gallium/drivers/r300/r300_state_derived.c
+++ b/src/gallium/drivers/r300/r300_state_derived.c
@@ -61,12 +61,12 @@ int r300_shader_key_compare(void* key1, void* key2) {
         (shader_key1->fs == shader_key2->fs);
 }
 
-/* Set up the vs_tab and routes. */
-static void r300_vs_tab_routes(struct r300_context* r300,
-                               struct r300_vertex_info* vformat)
+/* Set up the vs_output_tab and routes. */
+static void r300_vs_output_tab_routes(struct r300_context* r300,
+                                      struct r300_vertex_info* vformat,
+                                      int* vs_output_tab)
 {
     struct vertex_info* vinfo = &vformat->vinfo;
-    int* tab = vformat->vs_tab;
     boolean pos = FALSE, psize = FALSE, fog = FALSE;
     int i, texs = 0, cols = 0;
     struct tgsi_shader_info* info = &r300->fs->info;
@@ -79,23 +79,23 @@ static void r300_vs_tab_routes(struct r300_context* r300,
         switch (info->input_semantic_name[i]) {
             case TGSI_SEMANTIC_POSITION:
                 pos = TRUE;
-                tab[i] = 0;
+                vs_output_tab[i] = 0;
                 break;
             case TGSI_SEMANTIC_COLOR:
-                tab[i] = 2 + cols;
+                vs_output_tab[i] = 2 + cols;
                 cols++;
                 break;
             case TGSI_SEMANTIC_PSIZE:
                 assert(psize == FALSE);
                 psize = TRUE;
-                tab[i] = 15;
+                vs_output_tab[i] = 15;
                 break;
             case TGSI_SEMANTIC_FOG:
                 assert(fog == FALSE);
                 fog = TRUE;
                 /* Fall through */
             case TGSI_SEMANTIC_GENERIC:
-                tab[i] = 6 + texs;
+                vs_output_tab[i] = 6 + texs;
                 texs++;
                 break;
             default:
@@ -122,11 +122,11 @@ static void r300_vs_tab_routes(struct r300_context* r300,
      * for HW TCL case it could be generated by vertex shader */
     if (!pos) {
         /* Make room for the position attribute
-         * at the beginning of the tab. */
+         * at the beginning of the vs_output_tab. */
         for (i = 15; i > 0; i--) {
-            tab[i] = tab[i-1];
+            vs_output_tab[i] = vs_output_tab[i-1];
         }
-        tab[0] = 0;
+        vs_output_tab[0] = 0;
     }
 
     /* Position. */
@@ -229,34 +229,34 @@ static void r300_vertex_psc(struct r300_context* r300,
 
 /* Update the PSC tables for SW TCL, using Draw. */
 static void r300_swtcl_vertex_psc(struct r300_context* r300,
-                                  struct r300_vertex_info* vformat)
+                                  struct r300_vertex_info* vformat,
+                                  int* vs_output_tab)
 {
     struct vertex_info* vinfo = &vformat->vinfo;
-    int* tab = vformat->vs_tab;
     uint16_t type, swizzle;
     enum pipe_format format;
     unsigned i, attrib_count;
 
     /* For each Draw attribute, route it to the fragment shader according
-     * to the tab. */
+     * to the vs_output_tab. */
     attrib_count = vinfo->num_attribs;
     DBG(r300, DBG_DRAW, "r300: attrib count: %d\n", attrib_count);
     for (i = 0; i < attrib_count; i++) {
         DBG(r300, DBG_DRAW, "r300: attrib: offset %d, interp %d, size %d,"
-               " tab %d\n", vinfo->attrib[i].src_index,
+               " vs_output_tab %d\n", vinfo->attrib[i].src_index,
                vinfo->attrib[i].interp_mode, vinfo->attrib[i].emit,
-               tab[i]);
+               vs_output_tab[i]);
     }
 
     for (i = 0; i < attrib_count; i++) {
         /* Make sure we have a proper destination for our attribute. */
-        assert(tab[i] != -1);
+        assert(vs_output_tab[i] != -1);
 
         format = draw_translate_vinfo_format(vinfo->attrib[i].emit);
 
         /* Obtain the type of data in this attribute. */
         type = r300_translate_vertex_data_type(format) |
-            tab[i] << R300_DST_VEC_LOC_SHIFT;
+            vs_output_tab[i] << R300_DST_VEC_LOC_SHIFT;
 
         /* Obtain the swizzle for this attribute. Note that the default
          * swizzle in the hardware is not XYZW! */
@@ -280,68 +280,6 @@ static void r300_swtcl_vertex_psc(struct r300_context* r300,
         (R300_LAST_VEC << (i & 1 ? 16 : 0));
 }
 
-/* Set up the mappings from GB to US, for RS block. */
-static void r300_update_fs_tab(struct r300_context* r300,
-                               struct r300_vertex_info* vformat)
-{
-    struct tgsi_shader_info* info = &r300->fs->info;
-    int i, cols = 0, texs = 0, cols_emitted = 0;
-    int* tab = vformat->fs_tab;
-
-    for (i = 0; i < 16; i++) {
-        tab[i] = -1;
-    }
-
-    assert(info->num_inputs <= 16);
-    for (i = 0; i < info->num_inputs; i++) {
-        switch (info->input_semantic_name[i]) {
-            case TGSI_SEMANTIC_COLOR:
-                tab[i] = INTERP_LINEAR;
-                cols++;
-                break;
-            case TGSI_SEMANTIC_POSITION:
-            case TGSI_SEMANTIC_PSIZE:
-                debug_printf("r300: Implementation error: Can't use "
-                        "pos attribs in fragshader yet!\n");
-                /* Pass through for now */
-            case TGSI_SEMANTIC_FOG:
-            case TGSI_SEMANTIC_GENERIC:
-                tab[i] = INTERP_PERSPECTIVE;
-                break;
-            default:
-                debug_printf("r300: Unknown vertex input %d\n",
-                    info->input_semantic_name[i]);
-                break;
-        }
-    }
-
-    /* Now that we know where everything is... */
-    DBG(r300, DBG_DRAW, "r300: fp input count: %d\n", info->num_inputs);
-    for (i = 0; i < info->num_inputs; i++) {
-        switch (tab[i]) {
-            case INTERP_LINEAR:
-                DBG(r300, DBG_DRAW, "r300: attrib: "
-                        "stack offset %d, color,    tab %d\n",
-                        i, cols_emitted);
-                tab[i] = cols_emitted;
-                cols_emitted++;
-                break;
-            case INTERP_PERSPECTIVE:
-                DBG(r300, DBG_DRAW, "r300: attrib: "
-                        "stack offset %d, texcoord, tab %d\n",
-                        i, cols + texs);
-                tab[i] = cols + texs;
-                texs++;
-                break;
-            case -1:
-                debug_printf("r300: Implementation error: Bad fp interp!\n");
-            default:
-                break;
-        }
-    }
-
-}
-
 /* Set up the RS block. This is the part of the chipset that actually does
  * the rasterization of vertices into fragments. This is also the part of the
  * chipset that locks up if any part of it is even slightly wrong. */
@@ -456,8 +394,13 @@ static void r300_update_derived_shader_state(struct r300_context* r300)
     struct r300_screen* r300screen = r300_screen(r300->context.screen);
     struct r300_vertex_info* vformat;
     struct r300_rs_block* rs_block;
+    int vs_output_tab[16];
     int i;
 
+    for (i = 0; i < 16; i++) {
+        vs_output_tab[i] = -1;
+    }
+
     /*
     struct r300_shader_key* key;
     struct r300_shader_derived_value* value;
@@ -488,21 +431,14 @@ static void r300_update_derived_shader_state(struct r300_context* r300)
     vformat = CALLOC_STRUCT(r300_vertex_info);
     rs_block = CALLOC_STRUCT(r300_rs_block);
 
-    for (i = 0; i < 16; i++) {
-        vformat->vs_tab[i] = -1;
-        vformat->fs_tab[i] = -1;
-    }
-
-    r300_vs_tab_routes(r300, vformat);
+    r300_vs_output_tab_routes(r300, vformat, vs_output_tab);
 
     if (r300screen->caps->has_tcl) {
         r300_vertex_psc(r300, vformat);
     } else {
-        r300_swtcl_vertex_psc(r300, vformat);
+        r300_swtcl_vertex_psc(r300, vformat, vs_output_tab);
     }
 
-    r300_update_fs_tab(r300, vformat);
-
     r300_update_rs_block(r300, rs_block);
 
     FREE(r300->vertex_info);