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path: root/src/gallium/auxiliary/draw/draw_pt_vcache.c
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Diffstat (limited to 'src/gallium/auxiliary/draw/draw_pt_vcache.c')
-rw-r--r--src/gallium/auxiliary/draw/draw_pt_vcache.c396
1 files changed, 230 insertions, 166 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pt_vcache.c b/src/gallium/auxiliary/draw/draw_pt_vcache.c
index 5a068761df..107dcfc269 100644
--- a/src/gallium/auxiliary/draw/draw_pt_vcache.c
+++ b/src/gallium/auxiliary/draw/draw_pt_vcache.c
@@ -55,9 +55,6 @@ struct vcache_frontend {
unsigned draw_count;
unsigned fetch_count;
- pt_elt_func elt_func;
- const void *elt_ptr;
-
struct draw_pt_middle_end *middle;
unsigned input_prim;
@@ -66,17 +63,6 @@ struct vcache_frontend {
static void vcache_flush( struct vcache_frontend *vcache )
{
-#if 0
- /* Should always be true if output_prim == input_prim, otherwise
- * not so much...
- */
- unsigned i;
- for (i = 0; i < vcache->draw_count; i++) {
- assert( vcache->fetch_elts[vcache->draw_elts[i]] ==
- vcache->elt_func(vcache->elt_ptr, i) );
- }
-#endif
-
if (vcache->draw_count) {
vcache->middle->run( vcache->middle,
vcache->fetch_elts,
@@ -115,26 +101,73 @@ static void vcache_elt( struct vcache_frontend *vcache,
vcache->draw_elts[vcache->draw_count++] = vcache->out[idx];
}
+
+static unsigned add_edgeflag( struct vcache_frontend *vcache,
+ unsigned idx,
+ unsigned mask )
+{
+ if (mask && draw_get_edgeflag(vcache->draw, idx))
+ return idx | DRAW_PT_EDGEFLAG;
+ else
+ return idx;
+}
+
+
+static unsigned add_reset_stipple( unsigned idx,
+ unsigned reset )
+{
+ if (reset)
+ return idx | DRAW_PT_RESET_STIPPLE;
+ else
+ return idx;
+}
+
static void vcache_triangle( struct vcache_frontend *vcache,
unsigned i0,
unsigned i1,
unsigned i2 )
{
- /* TODO: encode edgeflags in draw_elts */
+ vcache_elt(vcache, i0 | DRAW_PT_EDGEFLAG | DRAW_PT_RESET_STIPPLE);
+ vcache_elt(vcache, i1 | DRAW_PT_EDGEFLAG);
+ vcache_elt(vcache, i2 | DRAW_PT_EDGEFLAG);
+ vcache_check_flush(vcache);
+}
+
+
+static void vcache_ef_triangle( struct vcache_frontend *vcache,
+ boolean reset_stipple,
+ unsigned ef_mask,
+ unsigned i0,
+ unsigned i1,
+ unsigned i2 )
+{
+ i0 = add_edgeflag( vcache, i0, (ef_mask >> 0) & 1 );
+ i1 = add_edgeflag( vcache, i1, (ef_mask >> 1) & 1 );
+ i2 = add_edgeflag( vcache, i2, (ef_mask >> 2) & 1 );
+
+ i0 = add_reset_stipple( i0, reset_stipple );
+
vcache_elt(vcache, i0);
vcache_elt(vcache, i1);
vcache_elt(vcache, i2);
vcache_check_flush(vcache);
+
+ if (0) debug_printf("emit tri ef: %d %d %d\n",
+ !!(i0 & DRAW_PT_EDGEFLAG),
+ !!(i1 & DRAW_PT_EDGEFLAG),
+ !!(i2 & DRAW_PT_EDGEFLAG));
+
}
+
static void vcache_line( struct vcache_frontend *vcache,
- boolean reset,
+ boolean reset_stipple,
unsigned i0,
unsigned i1 )
{
- /* TODO: encode reset-line-stipple in draw_elts */
- (void) reset;
+ i0 = add_reset_stipple( i0, reset_stipple );
+
vcache_elt(vcache, i0);
vcache_elt(vcache, i1);
vcache_check_flush(vcache);
@@ -158,39 +191,43 @@ static void vcache_quad( struct vcache_frontend *vcache,
vcache_triangle( vcache, i1, i2, i3 );
}
+static void vcache_ef_quad( struct vcache_frontend *vcache,
+ unsigned i0,
+ unsigned i1,
+ unsigned i2,
+ unsigned i3 )
+{
+ const unsigned omitEdge2 = ~(1 << 1);
+ const unsigned omitEdge3 = ~(1 << 2);
+ vcache_ef_triangle( vcache, 1, omitEdge2, i0, i1, i3 );
+ vcache_ef_triangle( vcache, 0, omitEdge3, i1, i2, i3 );
+}
+
-static unsigned reduced_prim[PIPE_PRIM_POLYGON + 1] = {
- PIPE_PRIM_POINTS,
- PIPE_PRIM_LINES,
- PIPE_PRIM_LINES,
- PIPE_PRIM_LINES,
- PIPE_PRIM_TRIANGLES,
- PIPE_PRIM_TRIANGLES,
- PIPE_PRIM_TRIANGLES,
- PIPE_PRIM_TRIANGLES,
- PIPE_PRIM_TRIANGLES,
- PIPE_PRIM_TRIANGLES
-};
-static void vcache_run_pv2( struct draw_pt_front_end *frontend,
- pt_elt_func get_elt,
- const void *elts,
- unsigned count )
+static void vcache_run( struct draw_pt_front_end *frontend,
+ pt_elt_func get_elt,
+ const void *elts,
+ unsigned count )
{
struct vcache_frontend *vcache = (struct vcache_frontend *)frontend;
+ struct draw_context *draw = vcache->draw;
+
+ boolean unfilled = (draw->rasterizer->fill_cw != PIPE_POLYGON_MODE_FILL ||
+ draw->rasterizer->fill_ccw != PIPE_POLYGON_MODE_FILL);
+
+ boolean flatfirst = (draw->rasterizer->flatshade &&
+ draw->rasterizer->flatshade_first);
unsigned i;
-
- /* These are for validation only:
- */
- vcache->elt_func = get_elt;
- vcache->elt_ptr = elts;
+
+// debug_printf("%s (%d) %d/%d\n", __FUNCTION__, draw->prim, start, count );
switch (vcache->input_prim) {
case PIPE_PRIM_POINTS:
for (i = 0; i < count; i ++) {
- vcache_point( vcache,
- get_elt(elts, i) );
+ vcache_point( vcache,
+ get_elt(elts, i + 0) );
}
break;
@@ -205,17 +242,17 @@ static void vcache_run_pv2( struct draw_pt_front_end *frontend,
case PIPE_PRIM_LINE_LOOP:
if (count >= 2) {
- for (i = 1; i < count; i++) {
- vcache_line( vcache,
+ for (i = 1; i < count; i++) {
+ vcache_line( vcache,
i == 1, /* XXX: only if vb not split */
get_elt(elts, i - 1),
- get_elt(elts, i) );
- }
+ get_elt(elts, i ));
+ }
- vcache_line( vcache,
+ vcache_line( vcache,
0,
get_elt(elts, count - 1),
- get_elt(elts, 0) );
+ get_elt(elts, 0 ));
}
break;
@@ -224,72 +261,163 @@ static void vcache_run_pv2( struct draw_pt_front_end *frontend,
vcache_line( vcache,
i == 1,
get_elt(elts, i - 1),
- get_elt(elts, i) );
+ get_elt(elts, i ));
}
break;
case PIPE_PRIM_TRIANGLES:
- for (i = 0; i+2 < count; i += 3) {
- vcache_triangle( vcache,
- get_elt(elts, i + 0),
- get_elt(elts, i + 1),
- get_elt(elts, i + 2) );
+ if (unfilled) {
+ for (i = 0; i+2 < count; i += 3) {
+ vcache_ef_triangle( vcache,
+ 1,
+ ~0,
+ get_elt(elts, i + 0),
+ get_elt(elts, i + 1),
+ get_elt(elts, i + 2 ));
+ }
+ }
+ else {
+ for (i = 0; i+2 < count; i += 3) {
+ vcache_triangle( vcache,
+ get_elt(elts, i + 0),
+ get_elt(elts, i + 1),
+ get_elt(elts, i + 2 ));
+ }
}
break;
case PIPE_PRIM_TRIANGLE_STRIP:
- for (i = 0; i+2 < count; i++) {
- if (i & 1) {
- vcache_triangle( vcache,
- get_elt(elts, i + 1),
- get_elt(elts, i + 0),
- get_elt(elts, i + 2) );
+ if (flatfirst) {
+ for (i = 0; i+2 < count; i++) {
+ if (i & 1) {
+ vcache_triangle( vcache,
+ get_elt(elts, i + 0),
+ get_elt(elts, i + 2),
+ get_elt(elts, i + 1 ));
+ }
+ else {
+ vcache_triangle( vcache,
+ get_elt(elts, i + 0),
+ get_elt(elts, i + 1),
+ get_elt(elts, i + 2 ));
+ }
}
- else {
- vcache_triangle( vcache,
- get_elt(elts, i + 0),
- get_elt(elts, i + 1),
- get_elt(elts, i + 2) );
+ }
+ else {
+ for (i = 0; i+2 < count; i++) {
+ if (i & 1) {
+ vcache_triangle( vcache,
+ get_elt(elts, i + 1),
+ get_elt(elts, i + 0),
+ get_elt(elts, i + 2 ));
+ }
+ else {
+ vcache_triangle( vcache,
+ get_elt(elts, i + 0),
+ get_elt(elts, i + 1),
+ get_elt(elts, i + 2 ));
+ }
}
}
break;
case PIPE_PRIM_TRIANGLE_FAN:
- for (i = 0; i+2 < count; i++) {
- vcache_triangle( vcache,
- get_elt(elts, 0),
- get_elt(elts, i + 1),
- get_elt(elts, i + 2) );
+ if (count >= 3) {
+ if (flatfirst) {
+ for (i = 0; i+2 < count; i++) {
+ vcache_triangle( vcache,
+ get_elt(elts, i + 1),
+ get_elt(elts, i + 2),
+ get_elt(elts, 0 ));
+ }
+ }
+ else {
+ for (i = 0; i+2 < count; i++) {
+ vcache_triangle( vcache,
+ get_elt(elts, 0),
+ get_elt(elts, i + 1),
+ get_elt(elts, i + 2 ));
+ }
+ }
}
break;
case PIPE_PRIM_QUADS:
- for (i = 0; i+3 < count; i += 4) {
- vcache_quad( vcache,
- get_elt(elts, i + 0),
- get_elt(elts, i + 1),
- get_elt(elts, i + 2),
- get_elt(elts, i + 3));
+ if (unfilled) {
+ for (i = 0; i+3 < count; i += 4) {
+ vcache_ef_quad( vcache,
+ get_elt(elts, i + 0),
+ get_elt(elts, i + 1),
+ get_elt(elts, i + 2),
+ get_elt(elts, i + 3));
+ }
+ }
+ else {
+ for (i = 0; i+3 < count; i += 4) {
+ vcache_quad( vcache,
+ get_elt(elts, i + 0),
+ get_elt(elts, i + 1),
+ get_elt(elts, i + 2),
+ get_elt(elts, i + 3));
+ }
}
break;
case PIPE_PRIM_QUAD_STRIP:
- for (i = 0; i+3 < count; i += 2) {
- vcache_quad( vcache,
- get_elt(elts, i + 2),
- get_elt(elts, i + 0),
- get_elt(elts, i + 1),
- get_elt(elts, i + 3));
+ if (unfilled) {
+ for (i = 0; i+3 < count; i += 2) {
+ vcache_ef_quad( vcache,
+ get_elt(elts, i + 2),
+ get_elt(elts, i + 0),
+ get_elt(elts, i + 1),
+ get_elt(elts, i + 3));
+ }
+ }
+ else {
+ for (i = 0; i+3 < count; i += 2) {
+ vcache_quad( vcache,
+ get_elt(elts, i + 2),
+ get_elt(elts, i + 0),
+ get_elt(elts, i + 1),
+ get_elt(elts, i + 3));
+ }
}
break;
case PIPE_PRIM_POLYGON:
- for (i = 0; i+2 < count; i++) {
- vcache_triangle( vcache,
- get_elt(elts, i + 1),
- get_elt(elts, i + 2),
- get_elt(elts, 0));
+ if (unfilled) {
+ /* These bitflags look a little odd because we submit the
+ * vertices as (1,2,0) to satisfy flatshade requirements.
+ */
+ const unsigned edge_first = (1<<2);
+ const unsigned edge_middle = (1<<0);
+ const unsigned edge_last = (1<<1);
+
+ for (i = 0; i+2 < count; i++) {
+ unsigned ef_mask = edge_middle;
+
+ if (i == 0)
+ ef_mask |= edge_first;
+
+ if (i + 3 == count)
+ ef_mask |= edge_last;
+
+ vcache_ef_triangle( vcache,
+ i == 0,
+ ef_mask,
+ get_elt(elts, i + 1),
+ get_elt(elts, i + 2),
+ get_elt(elts, 0));
+ }
+ }
+ else {
+ for (i = 0; i+2 < count; i++) {
+ vcache_triangle( vcache,
+ get_elt(elts, i + 1),
+ get_elt(elts, i + 2),
+ get_elt(elts, 0));
+ }
}
break;
@@ -302,88 +430,21 @@ static void vcache_run_pv2( struct draw_pt_front_end *frontend,
}
-static void vcache_run_pv0( struct draw_pt_front_end *frontend,
- pt_elt_func get_elt,
- const void *elts,
- unsigned count )
-{
- struct vcache_frontend *vcache = (struct vcache_frontend *)frontend;
- unsigned i;
-
- /* These are for validation only:
- */
- vcache->elt_func = get_elt;
- vcache->elt_ptr = elts;
-
- switch (vcache->input_prim) {
- case PIPE_PRIM_POINTS:
- for (i = 0; i < count; i ++) {
- vcache_point( vcache,
- get_elt(elts, i) );
- }
- break;
-
- case PIPE_PRIM_LINES:
- for (i = 0; i+1 < count; i += 2) {
- vcache_line( vcache,
- TRUE,
- get_elt(elts, i + 0),
- get_elt(elts, i + 1));
- }
- break;
-
- case PIPE_PRIM_LINE_STRIP:
- for (i = 1; i < count; i++) {
- vcache_line( vcache,
- i == 1,
- get_elt(elts, i - 1),
- get_elt(elts, i) );
- }
- break;
-
- case PIPE_PRIM_TRIANGLES:
- for (i = 0; i+2 < count; i += 3) {
- vcache_triangle( vcache,
- get_elt(elts, i + 0),
- get_elt(elts, i + 1),
- get_elt(elts, i + 2) );
- }
- break;
-
- case PIPE_PRIM_TRIANGLE_STRIP:
- for (i = 0; i+2 < count; i++) {
- if (i & 1) {
- vcache_triangle( vcache,
- get_elt(elts, i + 0),
- get_elt(elts, i + 2),
- get_elt(elts, i + 1) );
- }
- else {
- vcache_triangle( vcache,
- get_elt(elts, i + 0),
- get_elt(elts, i + 1),
- get_elt(elts, i + 2) );
- }
- }
- break;
- case PIPE_PRIM_TRIANGLE_FAN:
- for (i = 0; i+2 < count; i++) {
- vcache_triangle( vcache,
- get_elt(elts, i + 1),
- get_elt(elts, i + 2),
- get_elt(elts, 0) );
- }
- break;
+static unsigned reduced_prim[PIPE_PRIM_POLYGON + 1] = {
+ PIPE_PRIM_POINTS,
+ PIPE_PRIM_LINES,
+ PIPE_PRIM_LINES,
+ PIPE_PRIM_LINES,
+ PIPE_PRIM_TRIANGLES,
+ PIPE_PRIM_TRIANGLES,
+ PIPE_PRIM_TRIANGLES,
+ PIPE_PRIM_TRIANGLES,
+ PIPE_PRIM_TRIANGLES,
+ PIPE_PRIM_TRIANGLES
+};
- default:
- assert(0);
- break;
- }
-
- vcache_flush( vcache );
-}
static void vcache_prepare( struct draw_pt_front_end *frontend,
unsigned prim,
@@ -391,11 +452,14 @@ static void vcache_prepare( struct draw_pt_front_end *frontend,
{
struct vcache_frontend *vcache = (struct vcache_frontend *)frontend;
+/*
if (vcache->draw->rasterizer->flatshade_first)
vcache->base.run = vcache_run_pv0;
else
vcache->base.run = vcache_run_pv2;
-
+*/
+
+ vcache->base.run = vcache_run;
vcache->input_prim = prim;
vcache->output_prim = reduced_prim[prim];
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-03 23:21:56 +0000