summaryrefslogtreecommitdiff
path: root/src/mesa/pipe/draw
diff options
context:
space:
mode:
authorKeith Whitwell <keith@tungstengraphics.com>2008-01-29 12:37:47 +0000
committerBen Skeggs <skeggsb@gmail.com>2008-02-15 13:50:25 +1100
commitd7d3c752368a236dd4755b00175d0e13212fac47 (patch)
tree227adbe7b3b00123e1920c34ebc83abd0c881e48 /src/mesa/pipe/draw
parent88469bf544b62fb0786d88383901914140afa56c (diff)
gallium: streamline various unfilled & stippled paths
Diffstat (limited to 'src/mesa/pipe/draw')
-rw-r--r--src/mesa/pipe/draw/draw_prim.c158
1 files changed, 113 insertions, 45 deletions
diff --git a/src/mesa/pipe/draw/draw_prim.c b/src/mesa/pipe/draw/draw_prim.c
index 2a612a1673..41b3fddcc1 100644
--- a/src/mesa/pipe/draw/draw_prim.c
+++ b/src/mesa/pipe/draw/draw_prim.c
@@ -69,28 +69,46 @@ static void draw_prim_queue_flush( struct draw_context *draw )
* draw->pipeline->first is often changed by the first call to tri(),
* line(), etc.
*/
- switch (draw->reduced_prim) {
- case RP_TRI:
- for (i = 0; i < draw->pq.queue_nr; i++) {
- if (draw->pq.queue[i].reset_line_stipple)
- draw->pipeline.first->reset_stipple_counter( draw->pipeline.first );
-
- draw->pipeline.first->tri( draw->pipeline.first, &draw->pq.queue[i] );
+ if (draw->rasterizer->line_stipple_enable) {
+ switch (draw->reduced_prim) {
+ case RP_TRI:
+ for (i = 0; i < draw->pq.queue_nr; i++) {
+ if (draw->pq.queue[i].reset_line_stipple)
+ draw->pipeline.first->reset_stipple_counter( draw->pipeline.first );
+
+ draw->pipeline.first->tri( draw->pipeline.first, &draw->pq.queue[i] );
+ }
+ break;
+ case RP_LINE:
+ for (i = 0; i < draw->pq.queue_nr; i++) {
+ if (draw->pq.queue[i].reset_line_stipple)
+ draw->pipeline.first->reset_stipple_counter( draw->pipeline.first );
+
+ draw->pipeline.first->line( draw->pipeline.first, &draw->pq.queue[i] );
+ }
+ break;
+ case RP_POINT:
+ draw->pipeline.first->reset_stipple_counter( draw->pipeline.first );
+ for (i = 0; i < draw->pq.queue_nr; i++)
+ draw->pipeline.first->point( draw->pipeline.first, &draw->pq.queue[i] );
+ break;
}
- break;
- case RP_LINE:
- for (i = 0; i < draw->pq.queue_nr; i++) {
- if (draw->pq.queue[i].reset_line_stipple)
- draw->pipeline.first->reset_stipple_counter( draw->pipeline.first );
-
- draw->pipeline.first->line( draw->pipeline.first, &draw->pq.queue[i] );
+ }
+ else {
+ switch (draw->reduced_prim) {
+ case RP_TRI:
+ for (i = 0; i < draw->pq.queue_nr; i++)
+ draw->pipeline.first->tri( draw->pipeline.first, &draw->pq.queue[i] );
+ break;
+ case RP_LINE:
+ for (i = 0; i < draw->pq.queue_nr; i++)
+ draw->pipeline.first->line( draw->pipeline.first, &draw->pq.queue[i] );
+ break;
+ case RP_POINT:
+ for (i = 0; i < draw->pq.queue_nr; i++)
+ draw->pipeline.first->point( draw->pipeline.first, &draw->pq.queue[i] );
+ break;
}
- break;
- case RP_POINT:
- draw->pipeline.first->reset_stipple_counter( draw->pipeline.first );
- for (i = 0; i < draw->pq.queue_nr; i++)
- draw->pipeline.first->point( draw->pipeline.first, &draw->pq.queue[i] );
- break;
}
draw->pq.queue_nr = 0;
@@ -231,7 +249,7 @@ static void do_ef_triangle( struct draw_context *draw,
}
-static void do_quad( struct draw_context *draw,
+static void do_ef_quad( struct draw_context *draw,
unsigned v0,
unsigned v1,
unsigned v2,
@@ -243,6 +261,16 @@ static void do_quad( struct draw_context *draw,
do_ef_triangle( draw, 0, omitEdge3, v1, v2, v3 );
}
+static void do_quad( struct draw_context *draw,
+ unsigned v0,
+ unsigned v1,
+ unsigned v2,
+ unsigned v3 )
+{
+ do_triangle( draw, v0, v1, v3 );
+ do_triangle( draw, v1, v2, v3 );
+}
+
/**
* Main entrypoint to draw some number of points/lines/triangles
@@ -252,6 +280,8 @@ draw_prim( struct draw_context *draw,
unsigned prim, unsigned start, unsigned count )
{
unsigned i;
+ boolean unfilled = (draw->rasterizer->fill_cw != PIPE_POLYGON_MODE_FILL ||
+ draw->rasterizer->fill_ccw != PIPE_POLYGON_MODE_FILL);
// _mesa_printf("%s (%d) %d/%d\n", __FUNCTION__, draw->prim, start, count );
@@ -289,24 +319,32 @@ draw_prim( struct draw_context *draw,
break;
case PIPE_PRIM_LINE_STRIP:
- if (count >= 2) {
- for (i = 1; i < count; i++) {
- do_line( draw,
- i == 1,
- start + i - 1,
- start + i );
- }
+ for (i = 1; i < count; i++) {
+ do_line( draw,
+ i == 1,
+ start + i - 1,
+ start + i );
}
break;
case PIPE_PRIM_TRIANGLES:
- for (i = 0; i+2 < count; i += 3) {
- do_ef_triangle( draw,
- 1,
- ~0,
+ if (unfilled) {
+ for (i = 0; i+2 < count; i += 3) {
+ do_ef_triangle( draw,
+ 1,
+ ~0,
+ start + i + 0,
+ start + i + 1,
+ start + i + 2 );
+ }
+ }
+ else {
+ for (i = 0; i+2 < count; i += 3) {
+ do_triangle( draw,
start + i + 0,
start + i + 1,
start + i + 2 );
+ }
}
break;
@@ -340,27 +378,49 @@ draw_prim( struct draw_context *draw,
case PIPE_PRIM_QUADS:
- for (i = 0; i+3 < count; i += 4) {
- do_quad( draw,
- start + i + 0,
- start + i + 1,
- start + i + 2,
- start + i + 3);
+ if (unfilled) {
+ for (i = 0; i+3 < count; i += 4) {
+ do_ef_quad( draw,
+ start + i + 0,
+ start + i + 1,
+ start + i + 2,
+ start + i + 3);
+ }
+ }
+ else {
+ for (i = 0; i+3 < count; i += 4) {
+ do_quad( draw,
+ start + i + 0,
+ start + i + 1,
+ start + i + 2,
+ start + i + 3);
+ }
}
break;
case PIPE_PRIM_QUAD_STRIP:
- for (i = 0; i+3 < count; i += 2) {
- do_quad( draw,
- start + i + 2,
- start + i + 0,
- start + i + 1,
- start + i + 3);
+ if (unfilled) {
+ for (i = 0; i+3 < count; i += 2) {
+ do_ef_quad( draw,
+ start + i + 2,
+ start + i + 0,
+ start + i + 1,
+ start + i + 3);
+ }
+ }
+ else {
+ for (i = 0; i+3 < count; i += 2) {
+ do_quad( draw,
+ start + i + 2,
+ start + i + 0,
+ start + i + 1,
+ start + i + 3);
+ }
}
break;
case PIPE_PRIM_POLYGON:
- if (count >= 3) {
+ if (unfilled) {
unsigned ef_mask = (1<<2) | (1<<0);
for (i = 0; i+2 < count; i++) {
@@ -378,6 +438,14 @@ draw_prim( struct draw_context *draw,
ef_mask &= ~(1<<2);
}
}
+ else {
+ for (i = 0; i+2 < count; i++) {
+ do_triangle( draw,
+ start + i + 1,
+ start + i + 2,
+ start + 0);
+ }
+ }
break;
default: