st/mesa: fix whitespace and add comment in st_DrawTex()

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Jose Fonseca <jfonseca@vmware.com>

diff --git a/src/mesa/state_tracker/st_cb_drawtex.c b/src/mesa/state_tracker/st_cb_drawtex.c
index cdfd831ce3cf688731e1790c75ab0eefe162e1a3..32a6608ec5353746dd0032386f29efff36171168 100644 (file)
--- a/src/mesa/state_tracker/st_cb_drawtex.c
+++ b/src/mesa/state_tracker/st_cb_drawtex.c
@@ -49,6 +49,7 @@ struct cached_shader
 /**
  * Simple linear list cache.
  * Most of the time there'll only be one cached shader.
+ * XXX This should be per-st_context state.
  */
 static struct cached_shader CachedShaders[MAX_SHADERS];
 static GLuint NumCachedShaders = 0;
@@ -99,6 +100,7 @@ lookup_shader(struct pipe_context *pipe,
    return CachedShaders[i].handle;
 }
 
+
 static void
 st_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
            GLfloat width, GLfloat height)
@@ -158,7 +160,7 @@ st_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
       if (!vbuffer) {
          return;
       }
-      
+
       z = CLAMP(z, 0.0f, 1.0f);
 
       /* positions (in clip coords) */
@@ -272,7 +274,6 @@ st_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
       cso_set_viewport(cso, &vp);
    }
 
-
    util_draw_vertex_buffer(pipe, cso, vbuffer,
                           cso_get_aux_vertex_buffer_slot(cso),
                            offset,  /* offset */
@@ -280,7 +281,6 @@ st_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
                            4,  /* verts */
                            numAttribs); /* attribs/vert */
 
-
    pipe_resource_reference(&vbuffer, NULL);
 
    /* restore state */