X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fllvmpipe%2Flp_state_rasterizer.c;h=a4ffd68397e1301441d22bc848cc4e469b0668de;hb=a61be312e218231e2090ac6db4d7e1d5aca4c5d2;hp=67b985aa2427a5732d22344a1a9926843a6519d7;hpb=5286dd701640976ffc328e8e85fb3830746851a1;p=mesa.git

diff --git a/src/gallium/drivers/llvmpipe/lp_state_rasterizer.c b/src/gallium/drivers/llvmpipe/lp_state_rasterizer.c
index 67b985aa242..a4ffd68397e 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_rasterizer.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_rasterizer.c
@@ -1,6 +1,6 @@
 /**************************************************************************
  * 
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
  * All Rights Reserved.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -18,7 +18,7 @@
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
@@ -32,16 +32,68 @@
 #include "lp_setup.h"
 #include "draw/draw_context.h"
 
+struct lp_rast_state {
+   struct pipe_rasterizer_state lp_state;
+   struct pipe_rasterizer_state draw_state;
+};
+
+/* State which might be handled in either the draw module or locally.
+ * This function is used to turn that state off in one of the two
+ * places.
+ */
+static void
+clear_flags(struct pipe_rasterizer_state *rast)
+{
+   rast->light_twoside = 0;
+   rast->offset_tri = 0;
+   rast->offset_line = 0;
+   rast->offset_point = 0;
+   rast->offset_units = 0.0f;
+   rast->offset_scale = 0.0f;
+}
+
 
 
 static void *
 llvmpipe_create_rasterizer_state(struct pipe_context *pipe,
                                  const struct pipe_rasterizer_state *rast)
 {
-   /* We do nothing special with rasterizer state.
-    * The CSO handle is just a pointer to a pipe_rasterizer_state object.
+   boolean need_pipeline;
+
+   /* Partition rasterizer state into what we want the draw module to
+    * handle, and what we'll look after ourselves.
+    */
+   struct lp_rast_state *state = MALLOC_STRUCT(lp_rast_state);
+   if (!state)
+      return NULL;
+
+   memcpy(&state->draw_state, rast, sizeof *rast);
+   memcpy(&state->lp_state, rast, sizeof *rast);
+
+   /* We rely on draw module to do unfilled polyons, AA lines and
+    * points and stipple.
+    * 
+    * Over time, reduce this list of conditions, and expand the list
+    * of flags which get cleared in clear_flags().
     */
-   return mem_dup(rast, sizeof(*rast));
+   need_pipeline = (rast->fill_front != PIPE_POLYGON_MODE_FILL ||
+		    rast->fill_back != PIPE_POLYGON_MODE_FILL ||
+		    rast->point_smooth ||
+		    rast->line_smooth ||
+		    rast->line_stipple_enable ||
+		    rast->poly_stipple_enable);
+
+   /* If not using the pipeline, clear out the flags which we can
+    * handle ourselves.  If we *are* using the pipeline, do everything
+    * on the pipeline and clear those flags on our internal copy of
+    * the state.
+    */
+   if (need_pipeline)
+      clear_flags(&state->lp_state);
+   else
+      clear_flags(&state->draw_state);
+
+   return state;
 }
 
 
@@ -50,31 +102,35 @@ static void
 llvmpipe_bind_rasterizer_state(struct pipe_context *pipe, void *handle)
 {
    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
-   const struct pipe_rasterizer_state *rasterizer =
-      (const struct pipe_rasterizer_state *) handle;
-
-   if (llvmpipe->rasterizer == rasterizer)
-      return;
+   const struct lp_rast_state *state =
+      (const struct lp_rast_state *) handle;
 
-   /* pass-through to draw module */
-   draw_set_rasterizer_state(llvmpipe->draw, rasterizer, handle);
+   if (state) {
+      llvmpipe->rasterizer = &state->lp_state;
+      draw_set_rasterizer_state(llvmpipe->draw, &state->draw_state, handle);
 
-   llvmpipe->rasterizer = rasterizer;
-
-   /* Note: we can immediately set the triangle state here and
-    * not worry about binning because we handle culling during
-    * triangle setup, not when rasterizing the bins.
-    */
-   if (llvmpipe->rasterizer) {
+      /* XXX: just pass lp_state directly to setup.
+       */
       lp_setup_set_triangle_state( llvmpipe->setup,
-                   llvmpipe->rasterizer->cull_face,
-                   llvmpipe->rasterizer->front_ccw,
-                   llvmpipe->rasterizer->scissor,
-                   llvmpipe->rasterizer->gl_rasterization_rules);
+                                  state->lp_state.cull_face,
+                                  state->lp_state.front_ccw,
+                                  state->lp_state.scissor,
+                                  state->lp_state.half_pixel_center,
+                                  state->lp_state.bottom_edge_rule,
+                                  state->lp_state.multisample);
       lp_setup_set_flatshade_first( llvmpipe->setup,
-                   llvmpipe->rasterizer->flatshade_first);
+				    state->lp_state.flatshade_first);
       lp_setup_set_line_state( llvmpipe->setup,
-                   llvmpipe->rasterizer->line_width);
+                              state->lp_state.line_width);
+      lp_setup_set_point_state( llvmpipe->setup,
+                               state->lp_state.point_size,
+                               state->lp_state.point_size_per_vertex,
+                               state->lp_state.sprite_coord_enable,
+                               state->lp_state.sprite_coord_mode);
+   }
+   else {
+      llvmpipe->rasterizer = NULL;
+      draw_set_rasterizer_state(llvmpipe->draw, NULL, handle);      
    }
 
    llvmpipe->dirty |= LP_NEW_RASTERIZER;