From f1c2db43dcf35d2cf4715390bd2391c28e42a8c2 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Sun, 22 Feb 2015 14:31:16 +0100
Subject: xwininfo fontconfig libX11 libXdmcp libfontenc libxcb
 libxcb/xcb-proto mesalib xserver xkeyboard-config mkfontscale git update 22
 Feb 2015

xserver          commit 3a06faf3fcdb7451125a46181f9152e8e59e9770
libxcb           commit e3ec1f74637237ce500dfd0ca59f2e422da4e019
libxcb/xcb-proto commit 4c550465934164aab2449a125f75f4ca07816233
xkeyboard-config commit 26f344c93f8c6141e9233eb68088ba4fd56bc9ef
libX11           commit c8e19b393defd53f046ddc2da3a16881221b3c34
libXdmcp         commit 9f4cac7656b221ce2a8f97e7bd31e5e23126d001
libfontenc       commit de1843aaf76015c9d99416f3122d169fe331b849
mkfontscale      commit 87d628f8eec170ec13bb9feefb1ce05aed07d1d6
xwininfo         commit 0c49f8f2bd56b1e77721e81030ea948386dcdf4e
fontconfig       commit d6d5adeb7940c0d0beb86489c2a1c2ce59e5c044
mesa             commit 4359954d842caa2a9f8d4b50d70ecc789884b68b
---
 mesalib/src/glsl/ir_set_program_inouts.cpp | 28 ++++++++++++++++++++++++----
 1 file changed, 24 insertions(+), 4 deletions(-)

(limited to 'mesalib/src/glsl/ir_set_program_inouts.cpp')

diff --git a/mesalib/src/glsl/ir_set_program_inouts.cpp b/mesalib/src/glsl/ir_set_program_inouts.cpp
index 97ead750a..e877a2019 100644
--- a/mesalib/src/glsl/ir_set_program_inouts.cpp
+++ b/mesalib/src/glsl/ir_set_program_inouts.cpp
@@ -81,6 +81,13 @@ is_shader_inout(ir_variable *var)
           var->data.mode == ir_var_system_value;
 }
 
+static inline bool
+is_dual_slot(ir_variable *var)
+{
+   const glsl_type *type = var->type->without_array();
+   return type == glsl_type::dvec4_type || type == glsl_type::dvec3_type;
+}
+
 static void
 mark(struct gl_program *prog, ir_variable *var, int offset, int len,
      bool is_fragment_shader)
@@ -94,19 +101,32 @@ mark(struct gl_program *prog, ir_variable *var, int offset, int len,
     */
 
    for (int i = 0; i < len; i++) {
-      GLbitfield64 bitfield =
-         BITFIELD64_BIT(var->data.location + var->data.index + offset + i);
+      bool dual_slot = is_dual_slot(var);
+      int idx = var->data.location + var->data.index + offset + i;
+      GLbitfield64 bitfield = BITFIELD64_BIT(idx);
+
+      /* dvec3 and dvec4 take up 2 slots */
+      if (dual_slot) {
+         idx += i;
+         bitfield |= bitfield << 1;
+      }
       if (var->data.mode == ir_var_shader_in) {
 	 prog->InputsRead |= bitfield;
          if (is_fragment_shader) {
             gl_fragment_program *fprog = (gl_fragment_program *) prog;
-            fprog->InterpQualifier[var->data.location +
-                                   var->data.index + offset + i] =
+            fprog->InterpQualifier[idx] =
                (glsl_interp_qualifier) var->data.interpolation;
             if (var->data.centroid)
                fprog->IsCentroid |= bitfield;
             if (var->data.sample)
                fprog->IsSample |= bitfield;
+
+            /* Set the InterpQualifier of the next slot to the same as the
+             * current one, since dvec3 and dvec4 spans 2 slots.
+             */
+            if (dual_slot)
+               fprog->InterpQualifier[idx + 1] =
+                  (glsl_interp_qualifier) var->data.interpolation;
          }
       } else if (var->data.mode == ir_var_system_value) {
          prog->SystemValuesRead |= bitfield;
-- 
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