wined3d: Load ModelView matrix for glLightfv calls.

[Joachim Priesner]

Analogous to the light() function in state.c, the correct ModelView matrix
has to be loaded when glLightfv is called. The code to load/restore the
matrix is copied from there.
---
 dlls/wined3d/glsl_shader.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index 1a1b6b0..2422982 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -7208,6 +7208,11 @@ void glsl_vertex_pipe_view(struct wined3d_context *context, const struct wined3d
 
     context->constant_update_mask |= WINED3D_SHADER_CONST_FFP_MODELVIEW;
 
+    /* Light settings are affected by the ModelView transform in OpenGL, the View transform in Direct3D. */
+    gl_info->gl_ops.gl.p_glMatrixMode(GL_MODELVIEW);
+    gl_info->gl_ops.gl.p_glPushMatrix();
+    gl_info->gl_ops.gl.p_glLoadMatrixf(&state->transforms[WINED3D_TS_VIEW]._11);
+
     for (k = 0; k < gl_info->limits.lights; ++k)
     {
         if (!(light = state->lights[k]))
@@ -7218,6 +7223,8 @@ void glsl_vertex_pipe_view(struct wined3d_context *context, const struct wined3d
         checkGLcall("glLightfv dirn");
     }
 
+    gl_info->gl_ops.gl.p_glPopMatrix();
+
     for (k = 0; k < gl_info->limits.clipplanes; ++k)
     {
         if (!isStateDirty(context, STATE_CLIPPLANE(k)))
-- 
1.8.4.5