mesa: fix glDrawTex*

As the case with _mesa_DrawPixels, the driver may install its vertex
shader and the vp override flag should be set.

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);
 }