#include "draw/draw_pipe.h"
+
boolean draw_pipeline_init( struct draw_context *draw )
{
/* create pipeline stages */
}
}
+
+
+static void do_point( struct draw_context *draw,
+ const char *v0 )
+{
+ struct prim_header prim;
+
+ prim.reset_line_stipple = 0;
+ prim.edgeflags = 1;
+ prim.pad = 0;
+ prim.v[0] = (struct vertex_header *)v0;
+
+ draw->pipeline.first->point( draw->pipeline.first, &prim );
+}
+
+
+static void do_line( struct draw_context *draw,
+ const char *v0,
+ const char *v1 )
+{
+ struct prim_header prim;
+
+ prim.reset_line_stipple = 1; /* fixme */
+ prim.edgeflags = 1;
+ prim.pad = 0;
+ prim.v[0] = (struct vertex_header *)v0;
+ prim.v[1] = (struct vertex_header *)v1;
+
+ draw->pipeline.first->line( draw->pipeline.first, &prim );
+}
+
+
+static void do_triangle( struct draw_context *draw,
+ char *v0,
+ char *v1,
+ char *v2 )
+{
+ struct prim_header prim;
+
+ prim.v[0] = (struct vertex_header *)v0;
+ prim.v[1] = (struct vertex_header *)v1;
+ prim.v[2] = (struct vertex_header *)v2;
+ prim.reset_line_stipple = 1;
+ prim.edgeflags = ((prim.v[0]->edgeflag) |
+ (prim.v[1]->edgeflag << 1) |
+ (prim.v[2]->edgeflag << 2));
+ prim.pad = 0;
+
+ draw->pipeline.first->tri( draw->pipeline.first, &prim );
+}
+
+
+/* Reset vertex ids. This is basically a type of flush.
+ */
void draw_reset_vertex_ids(struct draw_context *draw)
{
struct draw_stage *stage = draw->pipeline.first;
stage = stage->next;
}
- draw_pt_reset_vertex_ids(draw);
+ if (draw->pipeline.verts)
+ {
+ unsigned i;
+ char *verts = draw->pipeline.verts;
+ unsigned stride = draw->pipeline.vertex_stride;
+
+ for (i = 0; i < draw->pipeline.vertex_count; i++) {
+ ((struct vertex_header *)verts)->vertex_id = UNDEFINED_VERTEX_ID;
+ verts += stride;
+ }
+ }
}
+/* Code to run the pipeline on a fairly arbitary collection of vertices.
+ *
+ * Vertex headers must be pre-initialized with the
+ * UNDEFINED_VERTEX_ID, this code will cause that id to become
+ * overwritten, so it may have to be reset if there is the intention
+ * to reuse the vertices.
+ *
+ * This code provides a callback to reset the vertex id's which the
+ * draw_vbuf.c code uses when it has to perform a flush.
+ */
+void draw_pipeline_run( struct draw_context *draw,
+ unsigned prim,
+ struct vertex_header *vertices,
+ unsigned vertex_count,
+ unsigned stride,
+ const ushort *elts,
+ unsigned count )
+{
+ char *verts = (char *)vertices;
+ unsigned i;
+
+ draw->pipeline.verts = verts;
+ draw->pipeline.vertex_stride = stride;
+ draw->pipeline.vertex_count = vertex_count;
+
+ switch (prim) {
+ case PIPE_PRIM_POINTS:
+ for (i = 0; i < count; i++)
+ do_point( draw,
+ verts + stride * elts[i] );
+ break;
+ case PIPE_PRIM_LINES:
+ for (i = 0; i+1 < count; i += 2)
+ do_line( draw,
+ verts + stride * elts[i+0],
+ verts + stride * elts[i+1]);
+ break;
+ case PIPE_PRIM_TRIANGLES:
+ for (i = 0; i+2 < count; i += 3)
+ do_triangle( draw,
+ verts + stride * elts[i+0],
+ verts + stride * elts[i+1],
+ verts + stride * elts[i+2]);
+ break;
+ }
+
+ draw->pipeline.verts = NULL;
+ draw->pipeline.vertex_count = 0;
+}
+
+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * 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
- * 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.
- *
- **************************************************************************/
-
- /*
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-#include "pipe/p_util.h"
-#include "draw/draw_context.h"
-#include "draw/draw_private.h"
-#include "draw/draw_vertex.h"
-#include "draw/draw_pt.h"
-#include "draw/draw_pipe.h"
-
-static void do_point( struct draw_context *draw,
- const char *v0 )
-{
- struct prim_header prim;
-
- prim.reset_line_stipple = 0;
- prim.edgeflags = 1;
- prim.pad = 0;
- prim.v[0] = (struct vertex_header *)v0;
-
- draw->pipeline.first->point( draw->pipeline.first, &prim );
-}
-
-
-static void do_line( struct draw_context *draw,
- const char *v0,
- const char *v1 )
-{
- struct prim_header prim;
-
- prim.reset_line_stipple = 1; /* fixme */
- prim.edgeflags = 1;
- prim.pad = 0;
- prim.v[0] = (struct vertex_header *)v0;
- prim.v[1] = (struct vertex_header *)v1;
-
- draw->pipeline.first->line( draw->pipeline.first, &prim );
-}
-
-
-static void do_triangle( struct draw_context *draw,
- char *v0,
- char *v1,
- char *v2 )
-{
- struct prim_header prim;
-
- prim.v[0] = (struct vertex_header *)v0;
- prim.v[1] = (struct vertex_header *)v1;
- prim.v[2] = (struct vertex_header *)v2;
- prim.reset_line_stipple = 1;
- prim.edgeflags = ((prim.v[0]->edgeflag) |
- (prim.v[1]->edgeflag << 1) |
- (prim.v[2]->edgeflag << 2));
- prim.pad = 0;
-
- if (0) debug_printf("tri ef: %d %d %d\n",
- prim.v[0]->edgeflag,
- prim.v[1]->edgeflag,
- prim.v[2]->edgeflag);
-
- draw->pipeline.first->tri( draw->pipeline.first, &prim );
-}
-
-
-
-void draw_pt_reset_vertex_ids( struct draw_context *draw )
-{
- unsigned i;
- char *verts = draw->pt.pipeline.verts;
- unsigned stride = draw->pt.pipeline.vertex_stride;
-
- for (i = 0; i < draw->pt.pipeline.vertex_count; i++) {
- ((struct vertex_header *)verts)->vertex_id = UNDEFINED_VERTEX_ID;
- verts += stride;
- }
-}
-
-
-/* Code to run the pipeline on a fairly arbitary collection of vertices.
- *
- * Vertex headers must be pre-initialized with the
- * UNDEFINED_VERTEX_ID, this code will cause that id to become
- * overwritten, so it may have to be reset if there is the intention
- * to reuse the vertices.
- *
- * This code provides a callback to reset the vertex id's which the
- * draw_vbuf.c code uses when it has to perform a flush.
- */
-void draw_pt_run_pipeline( struct draw_context *draw,
- unsigned prim,
- struct vertex_header *pipeline_verts,
- unsigned vertex_count,
- unsigned stride,
- const ushort *elts,
- unsigned count )
-{
- char *verts = (char *)pipeline_verts;
- unsigned i;
-
- draw->pt.pipeline.verts = verts;
- draw->pt.pipeline.vertex_stride = stride;
- draw->pt.pipeline.vertex_count = vertex_count;
-
- switch (prim) {
- case PIPE_PRIM_POINTS:
- for (i = 0; i < count; i++)
- do_point( draw,
- verts + stride * elts[i] );
- break;
- case PIPE_PRIM_LINES:
- for (i = 0; i+1 < count; i += 2)
- do_line( draw,
- verts + stride * elts[i+0],
- verts + stride * elts[i+1]);
- break;
- case PIPE_PRIM_TRIANGLES:
- for (i = 0; i+2 < count; i += 3)
- do_triangle( draw,
- verts + stride * elts[i+0],
- verts + stride * elts[i+1],
- verts + stride * elts[i+2]);
- break;
- }
-
- draw->pt.pipeline.verts = NULL;
- draw->pt.pipeline.vertex_count = 0;
-}
-
projects / mesa.git / commitdiff