draw llvm: iterate with the correct stop over the outputs
[mesa.git] / src / gallium / auxiliary / draw / draw_pipe_validate.c
index f34c68728ef1f4bf58bcccd6fd5a3ba45a0cd083..153097e543ed9b676ec0ba1bfe8bc7882b8c9249 100644 (file)
@@ -33,6 +33,7 @@
 #include "draw_private.h"
 #include "draw_pipe.h"
 #include "draw_context.h"
+#include "draw_vbuf.h"
 
 static boolean points( unsigned prim )
 {
@@ -52,16 +53,28 @@ static boolean triangles( unsigned prim )
 }
 
 /**
- * Check if we need any special pipeline stages, or whether
- * prims/verts can go through untouched.  Don't test for bypass
- * clipping or vs modes, this function is just about the primitive
- * pipeline stages.
+ * Default version of a function to check if we need any special
+ * pipeline stages, or whether prims/verts can go through untouched.
+ * Don't test for bypass clipping or vs modes, this function is just
+ * about the primitive pipeline stages.
+ *
+ * This can be overridden by the driver.
  */
 boolean
 draw_need_pipeline(const struct draw_context *draw,
                    const struct pipe_rasterizer_state *rasterizer,
                    unsigned int prim )
 {
+   /* If the driver has overridden this, use that version: 
+    */
+   if (draw->render &&
+       draw->render->need_pipeline) 
+   {
+      return draw->render->need_pipeline( draw->render,
+                                          rasterizer,
+                                          prim );
+   }
+
    /* Don't have to worry about triangles turning into lines/points
     * and triggering the pipeline, because we have to trigger the
     * pipeline *anyway* if unfilled mode is active.
@@ -92,7 +105,7 @@ draw_need_pipeline(const struct draw_context *draw,
          return TRUE;
 
       /* point sprites */
-      if (rasterizer->point_sprite && draw->pipeline.point_sprite)
+      if (rasterizer->sprite_coord_enable && draw->pipeline.point_sprite)
          return TRUE;
    }
 
@@ -138,8 +151,8 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage )
 {
    struct draw_context *draw = stage->draw;
    struct draw_stage *next = draw->pipeline.rasterize;
-   int need_det = 0;
-   int precalc_flat = 0;
+   boolean need_det = FALSE;
+   boolean precalc_flat = FALSE;
    boolean wide_lines, wide_points;
 
    /* Set the validate's next stage to the rasterize stage, so that it
@@ -152,7 +165,7 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage )
                  && !draw->rasterizer->line_smooth);
 
    /* drawing large points? */
-   if (draw->rasterizer->point_sprite && draw->pipeline.point_sprite)
+   if (draw->rasterizer->sprite_coord_enable && draw->pipeline.point_sprite)
       wide_points = TRUE;
    else if (draw->rasterizer->point_smooth && draw->pipeline.aapoint)
       wide_points = FALSE;
@@ -181,10 +194,10 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage )
    if (wide_lines) {
       draw->pipeline.wide_line->next = next;
       next = draw->pipeline.wide_line;
-      precalc_flat = 1;
+      precalc_flat = TRUE;
    }
 
-   if (wide_points || draw->rasterizer->point_sprite) {
+   if (wide_points || draw->rasterizer->sprite_coord_enable) {
       draw->pipeline.wide_point->next = next;
       next = draw->pipeline.wide_point;
    }
@@ -192,7 +205,7 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage )
    if (draw->rasterizer->line_stipple_enable && draw->pipeline.line_stipple) {
       draw->pipeline.stipple->next = next;
       next = draw->pipeline.stipple;
-      precalc_flat = 1;                /* only needed for lines really */
+      precalc_flat = TRUE;             /* only needed for lines really */
    }
 
    if (draw->rasterizer->poly_stipple_enable
@@ -205,8 +218,8 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage )
        draw->rasterizer->fill_ccw != PIPE_POLYGON_MODE_FILL) {
       draw->pipeline.unfilled->next = next;
       next = draw->pipeline.unfilled;
-      precalc_flat = 1;                /* only needed for triangles really */
-      need_det = 1;
+      precalc_flat = TRUE;             /* only needed for triangles really */
+      need_det = TRUE;
    }
 
    if (draw->rasterizer->flatshade && precalc_flat) {
@@ -218,13 +231,13 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage )
        draw->rasterizer->offset_ccw) {
       draw->pipeline.offset->next = next;
       next = draw->pipeline.offset;
-      need_det = 1;
+      need_det = TRUE;
    }
 
    if (draw->rasterizer->light_twoside) {
       draw->pipeline.twoside->next = next;
       next = draw->pipeline.twoside;
-      need_det = 1;
+      need_det = TRUE;
    }
 
    /* Always run the cull stage as we calculate determinant there
@@ -249,7 +262,15 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage )
 
    
    draw->pipeline.first = next;
-   return next;
+
+   if (0) {
+      debug_printf("draw pipeline:\n");
+      for (next = draw->pipeline.first; next ; next = next->next ) 
+         debug_printf("   %s\n", next->name);
+      debug_printf("\n");
+   }
+   
+   return draw->pipeline.first;
 }
 
 static void validate_tri( struct draw_stage *stage, 
@@ -305,6 +326,7 @@ struct draw_stage *draw_validate_stage( struct draw_context *draw )
       return NULL;
 
    stage->draw = draw;
+   stage->name = "validate";
    stage->next = NULL;
    stage->point = validate_point;
    stage->line = validate_line;