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path: root/src/mesa/pipe/draw/draw_prim.c
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Diffstat (limited to 'src/mesa/pipe/draw/draw_prim.c')
-rw-r--r--src/mesa/pipe/draw/draw_prim.c172
1 files changed, 72 insertions, 100 deletions
diff --git a/src/mesa/pipe/draw/draw_prim.c b/src/mesa/pipe/draw/draw_prim.c
index be2f987b9a..a497a350f7 100644
--- a/src/mesa/pipe/draw/draw_prim.c
+++ b/src/mesa/pipe/draw/draw_prim.c
@@ -58,14 +58,15 @@ static unsigned reduced_prim[PIPE_PRIM_POLYGON + 1] = {
};
-void draw_flush( struct draw_context *draw )
+static void draw_prim_queue_flush( struct draw_context *draw )
{
struct draw_stage *first = draw->pipeline.first;
unsigned i;
/* Make sure all vertices are available:
*/
- draw_vertex_cache_validate(draw);
+ if (draw->vs.queue_nr)
+ draw_vertex_shader_queue_flush(draw);
switch (draw->reduced_prim) {
case RP_TRI:
@@ -91,12 +92,41 @@ void draw_flush( struct draw_context *draw )
break;
}
- draw->pq.queue_nr = 0;
-
+ draw->pq.queue_nr = 0;
draw_vertex_cache_unreference( draw );
}
+void draw_do_flush( struct draw_context *draw,
+ unsigned flush )
+{
+ if ((flush & (DRAW_FLUSH_PRIM_QUEUE |
+ DRAW_FLUSH_VERTEX_CACHE_INVALIDATE |
+ DRAW_FLUSH_DRAW)) &&
+ draw->pq.queue_nr)
+ {
+ draw_prim_queue_flush(draw);
+ }
+
+ if ((flush & (DRAW_FLUSH_VERTEX_CACHE_INVALIDATE |
+ DRAW_FLUSH_DRAW)) &&
+ draw->drawing)
+ {
+ draw_vertex_cache_invalidate(draw);
+ }
+
+ if ((flush & DRAW_FLUSH_DRAW) &&
+ draw->drawing)
+ {
+ draw->pipeline.first->end( draw->pipeline.first );
+ draw->drawing = 0;
+ draw->prim = ~0;
+ draw->pipeline.first = draw->pipeline.validate;
+ }
+
+}
+
+
/* Return a pointer to a freshly queued primitive header. Ensure that
* there is room in the vertex cache for a maximum of "nr_verts" new
@@ -106,13 +136,13 @@ void draw_flush( struct draw_context *draw )
static struct prim_header *get_queued_prim( struct draw_context *draw,
unsigned nr_verts )
{
- if (draw->pq.queue_nr + 1 >= PRIM_QUEUE_LENGTH) {
-// fprintf(stderr, "p");
- draw_flush( draw );
- }
- else if (!draw_vertex_cache_check_space( draw, nr_verts )) {
+ if (!draw_vertex_cache_check_space( draw, nr_verts )) {
// fprintf(stderr, "v");
- draw_flush( draw );
+ draw_do_flush( draw, DRAW_FLUSH_VERTEX_CACHE_INVALIDATE );
+ }
+ else if (draw->pq.queue_nr + 1 >= PRIM_QUEUE_LENGTH) {
+// fprintf(stderr, "p");
+ draw_do_flush( draw, DRAW_FLUSH_PRIM_QUEUE );
}
return &draw->pq.queue[draw->pq.queue_nr++];
@@ -129,7 +159,7 @@ static void do_point( struct draw_context *draw,
prim->reset_line_stipple = 0;
prim->edgeflags = 1;
prim->pad = 0;
- prim->v[0] = draw->get_vertex( draw, i0 );
+ prim->v[0] = draw->vcache.get_vertex( draw, i0 );
}
@@ -143,8 +173,8 @@ static void do_line( struct draw_context *draw,
prim->reset_line_stipple = reset_stipple;
prim->edgeflags = 1;
prim->pad = 0;
- prim->v[0] = draw->get_vertex( draw, i0 );
- prim->v[1] = draw->get_vertex( draw, i1 );
+ prim->v[0] = draw->vcache.get_vertex( draw, i0 );
+ prim->v[1] = draw->vcache.get_vertex( draw, i1 );
}
static void do_triangle( struct draw_context *draw,
@@ -157,9 +187,9 @@ static void do_triangle( struct draw_context *draw,
prim->reset_line_stipple = 1;
prim->edgeflags = ~0;
prim->pad = 0;
- prim->v[0] = draw->get_vertex( draw, i0 );
- prim->v[1] = draw->get_vertex( draw, i1 );
- prim->v[2] = draw->get_vertex( draw, i2 );
+ prim->v[0] = draw->vcache.get_vertex( draw, i0 );
+ prim->v[1] = draw->vcache.get_vertex( draw, i1 );
+ prim->v[2] = draw->vcache.get_vertex( draw, i2 );
}
static void do_ef_triangle( struct draw_context *draw,
@@ -170,9 +200,9 @@ static void do_ef_triangle( struct draw_context *draw,
unsigned i2 )
{
struct prim_header *prim = get_queued_prim( draw, 3 );
- struct vertex_header *v0 = draw->get_vertex( draw, i0 );
- struct vertex_header *v1 = draw->get_vertex( draw, i1 );
- struct vertex_header *v2 = draw->get_vertex( draw, i2 );
+ struct vertex_header *v0 = draw->vcache.get_vertex( draw, i0 );
+ struct vertex_header *v1 = draw->vcache.get_vertex( draw, i1 );
+ struct vertex_header *v2 = draw->vcache.get_vertex( draw, i2 );
prim->reset_line_stipple = reset_stipple;
@@ -202,7 +232,7 @@ static void do_quad( struct draw_context *draw,
/**
* Main entrypoint to draw some number of points/lines/triangles
*/
-void
+static void
draw_prim( struct draw_context *draw, unsigned start, unsigned count )
{
unsigned i;
@@ -341,14 +371,15 @@ draw_prim( struct draw_context *draw, unsigned start, unsigned count )
}
-void
+static void
draw_set_prim( struct draw_context *draw, unsigned prim )
{
+ _mesa_printf("%s %d\n", __FUNCTION__, prim);
assert(prim >= PIPE_PRIM_POINTS);
assert(prim <= PIPE_PRIM_POLYGON);
if (reduced_prim[prim] != draw->reduced_prim) {
- draw_flush( draw );
+ draw_do_flush( draw, DRAW_FLUSH_PRIM_QUEUE );
draw->reduced_prim = reduced_prim[prim];
}
@@ -356,91 +387,32 @@ draw_set_prim( struct draw_context *draw, unsigned prim )
}
-unsigned
-draw_prim_info(unsigned prim, unsigned *first, unsigned *incr)
-{
- assert(prim >= PIPE_PRIM_POINTS);
- assert(prim <= PIPE_PRIM_POLYGON);
-
- switch (prim) {
- case PIPE_PRIM_POINTS:
- *first = 1;
- *incr = 1;
- return 0;
- case PIPE_PRIM_LINES:
- *first = 2;
- *incr = 2;
- return 0;
- case PIPE_PRIM_LINE_STRIP:
- *first = 2;
- *incr = 1;
- return 0;
- case PIPE_PRIM_LINE_LOOP:
- *first = 2;
- *incr = 1;
- return 1;
- case PIPE_PRIM_TRIANGLES:
- *first = 3;
- *incr = 3;
- return 0;
- case PIPE_PRIM_TRIANGLE_STRIP:
- *first = 3;
- *incr = 1;
- return 0;
- case PIPE_PRIM_TRIANGLE_FAN:
- case PIPE_PRIM_POLYGON:
- *first = 3;
- *incr = 1;
- return 1;
- case PIPE_PRIM_QUADS:
- *first = 4;
- *incr = 4;
- return 0;
- case PIPE_PRIM_QUAD_STRIP:
- *first = 4;
- *incr = 2;
- return 0;
- default:
- assert(0);
- *first = 1;
- *incr = 1;
- return 0;
- }
-}
-
-
-unsigned
-draw_trim( unsigned count, unsigned first, unsigned incr )
-{
- if (count < first)
- return 0;
- else
- return count - (count - first) % incr;
-}
/**
- * Allocate space for temporary post-transform vertices, such as for clipping.
+ * Draw vertex arrays
+ * This is the main entrypoint into the drawing module.
+ * \param prim one of PIPE_PRIM_x
+ * \param start index of first vertex to draw
+ * \param count number of vertices to draw
*/
-void draw_alloc_tmps( struct draw_stage *stage, unsigned nr )
+void
+draw_arrays(struct draw_context *draw, unsigned prim,
+ unsigned start, unsigned count)
{
- stage->nr_tmps = nr;
-
- if (nr) {
- ubyte *store = (ubyte *) malloc(MAX_VERTEX_SIZE * nr);
- unsigned i;
+ if (!draw->drawing) {
+ draw->drawing = 1;
- stage->tmp = (struct vertex_header **) malloc(sizeof(struct vertex_header *) * nr);
-
- for (i = 0; i < nr; i++)
- stage->tmp[i] = (struct vertex_header *)(store + i * MAX_VERTEX_SIZE);
+ /* tell drawing pipeline we're beginning drawing */
+ draw->pipeline.first->begin( draw->pipeline.first );
}
-}
-void draw_free_tmps( struct draw_stage *stage )
-{
- if (stage->tmp) {
- free(stage->tmp[0]);
- free(stage->tmp);
+ if (draw->prim != prim) {
+ draw_set_prim( draw, prim );
}
+
+ /* drawing done here: */
+ draw_prim(draw, start, count);
}
+
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-24 11:33:43 +0000