Matteo Bruni : wined3d: Ignore invalid texture transform flags.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 68e0cd430f2e57e55278acd2422127330628eb6d
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=68e0cd430f2e57e55278acd2422127330628eb6d

Author: Matteo Bruni <mbruni at codeweavers.com>
Date:   Mon Dec 12 20:25:17 2011 +0100

wined3d: Ignore invalid texture transform flags.

---

 dlls/wined3d/shader.c |   23 +++++++++++++++++++++--
 1 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/dlls/wined3d/shader.c b/dlls/wined3d/shader.c
index 11be333..4823750 100644
--- a/dlls/wined3d/shader.c
+++ b/dlls/wined3d/shader.c
@@ -1911,9 +1911,28 @@ void find_ps_compile_args(const struct wined3d_state *state,
         for (i = 0; i < 4; ++i)
         {
             DWORD flags = state->texture_states[i][WINED3DTSS_TEXTURETRANSFORMFLAGS];
-            DWORD tex_transform = flags & ~WINED3DTTFF_PROJECTED;
+            DWORD count, tex_transform;
+
+            /* Filter some invalid flags */
+            count = flags & ~WINED3DTTFF_PROJECTED;
+            if (count > WINED3DTTFF_COUNT4)
+            {
+                WARN("The application set an invalid TEXTURETRANSFORMFLAGS value.\n");
+                flags = count = 0;
+            }
+
+            tex_transform = count;
             if (flags & WINED3DTTFF_PROJECTED)
-                tex_transform |= WINED3D_PSARGS_PROJECTED;
+            {
+                enum wined3d_sampler_texture_type sampler_type = shader->reg_maps.sampler_type[i];
+
+                if ((sampler_type == WINED3DSTT_1D && tex_transform > WINED3DTTFF_COUNT1)
+                        || (sampler_type == WINED3DSTT_2D && tex_transform > WINED3DTTFF_COUNT2)
+                        || (sampler_type == WINED3DSTT_VOLUME && tex_transform > WINED3DTTFF_COUNT3))
+                    tex_transform |= WINED3D_PSARGS_PROJECTED;
+                else
+                    WARN("Application requested projected texture with unsuitable texture coordinates.\n");
+            }
             args->tex_transform |= tex_transform << i * WINED3D_PSARGS_TEXTRANSFORM_SHIFT;
         }
     }