mesa: call _mesa_set_vp_override in glDrawTex*

The driver may install its own vertex shader.  _mesa_set_vp_override
must be called so that core mesa can generate correct fragment program..

Reviewed-by: Brian Paul <brianp@vmware.com>

diff --git a/src/mesa/main/drawtex.c b/src/mesa/main/drawtex.c
index 2089cdf..83485a9 100644 (file)
--- a/src/mesa/main/drawtex.c
+++ b/src/mesa/main/drawtex.c
@@ -45,11 +45,15 @@ draw_texture(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
       return;
    }
 
+   _mesa_set_vp_override(ctx, GL_TRUE);
+
    if (ctx->NewState)
       _mesa_update_state(ctx);
 
    ASSERT(ctx->Driver.DrawTex);
    ctx->Driver.DrawTex(ctx, x, y, z, width, height);
+
+   _mesa_set_vp_override(ctx, GL_FALSE);
 }