[PATCH 6/6] wined3d: Implement colour keying in the HLSL FFP pipeline.

[Elizabeth Figura]

From: Elizabeth Figura

---
 dlls/wined3d/ffp_hlsl.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/dlls/wined3d/ffp_hlsl.c b/dlls/wined3d/ffp_hlsl.c
index d8e2c751a4d..a0d848a9c8f 100644
--- a/dlls/wined3d/ffp_hlsl.c
+++ b/dlls/wined3d/ffp_hlsl.c
@@ -619,9 +619,6 @@ static bool ffp_hlsl_generate_pixel_shader(const struct ffp_frag_settings *setti
     uint8_t tex_map = 0;
     unsigned int i;

-    if (settings->color_key_enabled)
-        FIXME("Ignoring color key.\n");
-
     /* Find out which textures are read. */
     for (i = 0; i < WINED3D_MAX_FFP_TEXTURES; ++i)
     {
@@ -840,6 +837,12 @@ static bool ffp_hlsl_generate_pixel_shader(const struct ffp_frag_settings *setti
         }
     }

+    if (settings->color_key_enabled)
+    {
+        shader_addline(buffer, "    if (all(tex0 >= c.color_key[0]) && all(tex0 < c.color_key[1]))\n");
+        shader_addline(buffer, "        discard;\n");
+    }
+
     shader_addline(buffer, "    ret = i.diffuse;\n");

for (i = 0; i < WINED3D_MAX_FFP_TEXTURES; ++i)