llvmpipe: Delete the quad polygon stipple stage.

Not used now -- stipple done by the draw module. May code generate later.

src/gallium/drivers/llvmpipe/Makefile

@@ -33,7 +33,6 @@ C_SOURCES = \
 	lp_quad_blend.c \
 	lp_quad_pipe.c \
 	lp_quad_fs.c \
-	lp_quad_stipple.c \
 	lp_query.c \
 	lp_screen.c \
 	lp_state_blend.c \

src/gallium/drivers/llvmpipe/SConscript

@@ -37,7 +37,6 @@ llvmpipe = env.ConvenienceLibrary(
 		'lp_quad_blend.c',
 		'lp_quad_pipe.c',
 		'lp_quad_fs.c',
-		'lp_quad_stipple.c',
 		'lp_query.c',
 		'lp_screen.c',
 		'lp_state_blend.c',

src/gallium/drivers/llvmpipe/lp_quad_stipple.c

@@ -1,85 +0,0 @@
-
-/**
- * quad polygon stipple stage
- */
-
-#include "lp_context.h"
-#include "lp_quad.h"
-#include "lp_quad_pipe.h"
-#include "pipe/p_defines.h"
-#include "util/u_memory.h"
-
-
-/**
- * Apply polygon stipple to quads produced by triangle rasterization
- */
-static void
-stipple_quad(struct quad_stage *qs, struct quad_header *quads[], unsigned nr)
-{
-   static const uint bit31 = 1 << 31;
-   static const uint bit30 = 1 << 30;
-   unsigned pass = nr;
-
-   struct llvmpipe_context *llvmpipe = qs->llvmpipe;
-   unsigned q;
-
-   pass = 0;
-
-   for (q = 0; q < nr; q++)  {
-      struct quad_header *quad = quads[q];
-
-      const int col0 = quad->input.x0 % 32;
-      const int y0 = quad->input.y0;
-      const int y1 = y0 + 1;
-      const uint stipple0 = llvmpipe->poly_stipple.stipple[y0 % 32];
-      const uint stipple1 = llvmpipe->poly_stipple.stipple[y1 % 32];
-
-      if (!quad->inout.mask)
-         continue;
-
-      /* turn off quad mask bits that fail the stipple test */
-      if ((stipple0 & (bit31 >> col0)) == 0)
-         quad->inout.mask &= ~MASK_TOP_LEFT;
-
-      if ((stipple0 & (bit30 >> col0)) == 0)
-         quad->inout.mask &= ~MASK_TOP_RIGHT;
-
-      if ((stipple1 & (bit31 >> col0)) == 0)
-         quad->inout.mask &= ~MASK_BOTTOM_LEFT;
-
-      if ((stipple1 & (bit30 >> col0)) == 0)
-         quad->inout.mask &= ~MASK_BOTTOM_RIGHT;
-
-      if (quad->inout.mask)
-         ++pass;
-   }
-
-   if(pass)
-      qs->next->run(qs->next, quads, nr);
-}
-
-
-static void stipple_begin(struct quad_stage *qs)
-{
-   qs->next->begin(qs->next);
-}
-
-
-static void stipple_destroy(struct quad_stage *qs)
-{
-   FREE( qs );
-}
-
-
-struct quad_stage *
-lp_quad_polygon_stipple_stage( struct llvmpipe_context *llvmpipe )
-{
-   struct quad_stage *stage = CALLOC_STRUCT(quad_stage);
-
-   stage->llvmpipe = llvmpipe;
-   stage->begin = stipple_begin;
-   stage->run = stipple_quad;
-   stage->destroy = stipple_destroy;
-
-   return stage;
-}