/* Authors: Keith Whitwell <keith@tungstengraphics.com>
*/
-#include "pipe/p_util.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
#include "pipe/p_defines.h"
#include "pipe/p_shader_tokens.h"
#include "draw_vs.h"
-
+#include "draw_pipe.h"
struct twoside_stage {
struct draw_stage stage;
struct prim_header tmp;
tmp.det = header->det;
- tmp.edgeflags = header->edgeflags;
+ tmp.flags = header->flags;
+ tmp.pad = header->pad;
/* copy back attribs to front attribs */
tmp.v[0] = copy_bfc(twoside, header->v[0], 0);
tmp.v[1] = copy_bfc(twoside, header->v[1], 1);
}
-static void twoside_line( struct draw_stage *stage,
- struct prim_header *header )
-{
- /* pass-through */
- stage->next->line( stage->next, header );
-}
-
-
-static void twoside_point( struct draw_stage *stage,
- struct prim_header *header )
-{
- /* pass-through */
- stage->next->point( stage->next, header );
-}
-
static void twoside_first_tri( struct draw_stage *stage,
struct prim_header *header )
{
struct twoside_stage *twoside = twoside_stage(stage);
- const struct draw_vertex_shader *vs = stage->draw->vertex_shader;
+ const struct draw_vertex_shader *vs = stage->draw->vs.vertex_shader;
uint i;
twoside->attrib_front0 = 0;
struct draw_stage *draw_twoside_stage( struct draw_context *draw )
{
struct twoside_stage *twoside = CALLOC_STRUCT(twoside_stage);
+ if (twoside == NULL)
+ goto fail;
- draw_alloc_temp_verts( &twoside->stage, 3 );
+ if (!draw_alloc_temp_verts( &twoside->stage, 3 ))
+ goto fail;
twoside->stage.draw = draw;
+ twoside->stage.name = "twoside";
twoside->stage.next = NULL;
- twoside->stage.point = twoside_point;
- twoside->stage.line = twoside_line;
+ twoside->stage.point = draw_pipe_passthrough_point;
+ twoside->stage.line = draw_pipe_passthrough_line;
twoside->stage.tri = twoside_first_tri;
twoside->stage.flush = twoside_flush;
twoside->stage.reset_stipple_counter = twoside_reset_stipple_counter;
twoside->stage.destroy = twoside_destroy;
return &twoside->stage;
+
+ fail:
+ if (twoside)
+ twoside->stage.destroy( &twoside->stage );
+
+ return NULL;
}