[PATCH 2/6] wined3d: Implement point size 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 b662f1756c8..51a621aad6d 100644
--- a/dlls/wined3d/ffp_hlsl.c
+++ b/dlls/wined3d/ffp_hlsl.c
@@ -201,9 +201,6 @@ static bool ffp_hlsl_generate_vertex_shader(const struct wined3d_ffp_vs_settings
 {
     struct wined3d_string_buffer texcoord;

-    if (settings->point_size)
-        FIXME("Ignoring point size.\n");
-
     if (settings->vertexblends)
         FIXME("Ignoring vertex blend.\n");

@@ -256,6 +253,7 @@ static bool ffp_hlsl_generate_vertex_shader(const struct wined3d_ffp_vs_settings
     }
     if (settings->fog_mode == WINED3D_FFP_VS_FOG_DEPTH || settings->fog_mode == WINED3D_FFP_VS_FOG_RANGE)
         shader_addline(buffer, "    float fogcoord : FOG;\n");
+    shader_addline(buffer, "    float point_size : PSIZE;\n");
     shader_addline(buffer, "};\n\n");

shader_addline(buffer, "float3 ffp_normalize(float3 n)\n{\n");
@@ -350,6 +348,11 @@ static bool ffp_hlsl_generate_vertex_shader(const struct wined3d_ffp_vs_settings
             break;
     }

+    shader_addline(buffer, "    o.point_size = %s / sqrt(c.point_params.x"
+            " + c.point_params.y * length(ec_pos.xyz)"
+            " + c.point_params.z * dot(ec_pos.xyz, ec_pos.xyz));\n",
+            settings->per_vertex_point_size ? "i.point_size" : "c.point_params.w");
+
     shader_addline(buffer, "}\n");

return true;