[PATCH v3 7/9] wined3d: Initialize all remaining FFP texture coordinates to zero.

[Elizabeth Figura]

From: Elizabeth Figura

---
 dlls/wined3d/utils.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/dlls/wined3d/utils.c b/dlls/wined3d/utils.c
index 40bd918f3e2..69d8568254b 100644
--- a/dlls/wined3d/utils.c
+++ b/dlls/wined3d/utils.c
@@ -5688,6 +5688,8 @@ static void compute_texture_matrix(const struct wined3d_matrix *matrix, uint32_t
     if (count < 2 || count > 4)
     {
         get_identity_matrix(out_matrix);
+        if (attrib_count < 4)
+            out_matrix->_44 = 0.0f;

if (flags & WINED3D_TTFF_PROJECTED)
         {
@@ -5735,6 +5737,24 @@ static void compute_texture_matrix(const struct wined3d_matrix *matrix, uint32_t
         mat._44 = mat._34;
     }

+    /* When using the FFP, components greater than the count are set to zero. */
+
+    if (count < 4)
+    {
+        mat._14 = 0.0f;
+        mat._24 = 0.0f;
+        mat._34 = 0.0f;
+        mat._44 = 0.0f;
+    }
+
+    if (count < 3)
+    {
+        mat._13 = 0.0f;
+        mat._23 = 0.0f;
+        mat._33 = 0.0f;
+        mat._43 = 0.0f;
+    }
+
     /* Projection is handled in two steps. In the vertex pipeline, the
      * component to be divided by is copied to W. In the fragment pipeline,
      * sampling the projected texture always divides by W. */