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-rw-r--r--src/gallium/auxiliary/util/u_split_prim.h102
-rw-r--r--src/gallium/drivers/nouveau/nouveau_util.h100
-rw-r--r--src/gallium/drivers/nv50/nv50_push.c2
-rw-r--r--src/gallium/drivers/nv50/nv50_vbo.c2
4 files changed, 104 insertions, 102 deletions
diff --git a/src/gallium/auxiliary/util/u_split_prim.h b/src/gallium/auxiliary/util/u_split_prim.h
new file mode 100644
index 0000000000..3c438da0ba
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_split_prim.h
@@ -0,0 +1,102 @@
+/* Originally written by Ben Skeggs for the nv50 driver*/
+#include <pipe/p_defines.h>
+
+struct u_split_prim {
+ void *priv;
+ void (*emit)(void *priv, unsigned start, unsigned count);
+ void (*edge)(void *priv, boolean enabled);
+
+ unsigned mode;
+ unsigned start;
+ unsigned p_start;
+ unsigned p_end;
+
+ uint repeat_first:1;
+ uint close_first:1;
+ uint edgeflag_off:1;
+};
+
+static INLINE void
+u_split_prim_init(struct u_split_prim *s,
+ unsigned mode, unsigned start, unsigned count)
+{
+ if (mode == PIPE_PRIM_LINE_LOOP) {
+ s->mode = PIPE_PRIM_LINE_STRIP;
+ s->close_first = 1;
+ } else {
+ s->mode = mode;
+ s->close_first = 0;
+ }
+ s->start = start;
+ s->p_start = start;
+ s->p_end = start + count;
+ s->edgeflag_off = 0;
+ s->repeat_first = 0;
+}
+
+static INLINE boolean
+u_split_prim_next(struct u_split_prim *s, unsigned max_verts)
+{
+ int repeat = 0;
+
+ if (s->repeat_first) {
+ s->emit(s->priv, s->start, 1);
+ max_verts--;
+ if (s->edgeflag_off) {
+ s->edge(s->priv, TRUE);
+ s->edgeflag_off = FALSE;
+ }
+ }
+
+ if (s->p_start + s->close_first + max_verts >= s->p_end) {
+ s->emit(s->priv, s->p_start, s->p_end - s->p_start);
+ if (s->close_first)
+ s->emit(s->priv, s->start, 1);
+ return TRUE;
+ }
+
+ switch (s->mode) {
+ case PIPE_PRIM_LINES:
+ max_verts &= ~1;
+ break;
+ case PIPE_PRIM_LINE_STRIP:
+ repeat = 1;
+ break;
+ case PIPE_PRIM_POLYGON:
+ max_verts--;
+ s->emit(s->priv, s->p_start, max_verts);
+ s->edge(s->priv, FALSE);
+ s->emit(s->priv, s->p_start + max_verts, 1);
+ s->p_start += max_verts;
+ s->repeat_first = TRUE;
+ s->edgeflag_off = TRUE;
+ return FALSE;
+ case PIPE_PRIM_TRIANGLES:
+ max_verts = max_verts - (max_verts % 3);
+ break;
+ case PIPE_PRIM_TRIANGLE_STRIP:
+ /* to ensure winding stays correct, always split
+ * on an even number of generated triangles
+ */
+ max_verts = max_verts & ~1;
+ repeat = 2;
+ break;
+ case PIPE_PRIM_TRIANGLE_FAN:
+ s->repeat_first = TRUE;
+ repeat = 1;
+ break;
+ case PIPE_PRIM_QUADS:
+ max_verts &= ~3;
+ break;
+ case PIPE_PRIM_QUAD_STRIP:
+ max_verts &= ~1;
+ repeat = 2;
+ break;
+ default:
+ break;
+ }
+
+ s->emit (s->priv, s->p_start, max_verts);
+ s->p_start += (max_verts - repeat);
+ return FALSE;
+}
diff --git a/src/gallium/drivers/nouveau/nouveau_util.h b/src/gallium/drivers/nouveau/nouveau_util.h
index a5e8537533..b165f7a611 100644
--- a/src/gallium/drivers/nouveau/nouveau_util.h
+++ b/src/gallium/drivers/nouveau/nouveau_util.h
@@ -88,104 +88,4 @@ static INLINE unsigned log2i(unsigned i)
return r;
}
-struct u_split_prim {
- void *priv;
- void (*emit)(void *priv, unsigned start, unsigned count);
- void (*edge)(void *priv, boolean enabled);
-
- unsigned mode;
- unsigned start;
- unsigned p_start;
- unsigned p_end;
-
- uint repeat_first:1;
- uint close_first:1;
- uint edgeflag_off:1;
-};
-
-static INLINE void
-u_split_prim_init(struct u_split_prim *s,
- unsigned mode, unsigned start, unsigned count)
-{
- if (mode == PIPE_PRIM_LINE_LOOP) {
- s->mode = PIPE_PRIM_LINE_STRIP;
- s->close_first = 1;
- } else {
- s->mode = mode;
- s->close_first = 0;
- }
- s->start = start;
- s->p_start = start;
- s->p_end = start + count;
- s->edgeflag_off = 0;
- s->repeat_first = 0;
-}
-
-static INLINE boolean
-u_split_prim_next(struct u_split_prim *s, unsigned max_verts)
-{
- int repeat = 0;
-
- if (s->repeat_first) {
- s->emit(s->priv, s->start, 1);
- max_verts--;
- if (s->edgeflag_off) {
- s->edge(s->priv, TRUE);
- s->edgeflag_off = FALSE;
- }
- }
-
- if (s->p_start + s->close_first + max_verts >= s->p_end) {
- s->emit(s->priv, s->p_start, s->p_end - s->p_start);
- if (s->close_first)
- s->emit(s->priv, s->start, 1);
- return TRUE;
- }
-
- switch (s->mode) {
- case PIPE_PRIM_LINES:
- max_verts &= ~1;
- break;
- case PIPE_PRIM_LINE_STRIP:
- repeat = 1;
- break;
- case PIPE_PRIM_POLYGON:
- max_verts--;
- s->emit(s->priv, s->p_start, max_verts);
- s->edge(s->priv, FALSE);
- s->emit(s->priv, s->p_start + max_verts, 1);
- s->p_start += max_verts;
- s->repeat_first = TRUE;
- s->edgeflag_off = TRUE;
- return FALSE;
- case PIPE_PRIM_TRIANGLES:
- max_verts = max_verts - (max_verts % 3);
- break;
- case PIPE_PRIM_TRIANGLE_STRIP:
- /* to ensure winding stays correct, always split
- * on an even number of generated triangles
- */
- max_verts = max_verts & ~1;
- repeat = 2;
- break;
- case PIPE_PRIM_TRIANGLE_FAN:
- s->repeat_first = TRUE;
- repeat = 1;
- break;
- case PIPE_PRIM_QUADS:
- max_verts &= ~3;
- break;
- case PIPE_PRIM_QUAD_STRIP:
- max_verts &= ~1;
- repeat = 2;
- break;
- default:
- break;
- }
-
- s->emit (s->priv, s->p_start, max_verts);
- s->p_start += (max_verts - repeat);
- return FALSE;
-}
-
#endif
diff --git a/src/gallium/drivers/nv50/nv50_push.c b/src/gallium/drivers/nv50/nv50_push.c
index c3ac804146..ee87144dcf 100644
--- a/src/gallium/drivers/nv50/nv50_push.c
+++ b/src/gallium/drivers/nv50/nv50_push.c
@@ -2,8 +2,8 @@
#include "pipe/p_state.h"
#include "util/u_inlines.h"
#include "util/u_format.h"
+#include "util/u_split_prim.h"
-#include "nouveau/nouveau_util.h"
#include "nv50_context.h"
#include "nv50_resource.h"
diff --git a/src/gallium/drivers/nv50/nv50_vbo.c b/src/gallium/drivers/nv50/nv50_vbo.c
index e7f8fe33ed..0937668b84 100644
--- a/src/gallium/drivers/nv50/nv50_vbo.c
+++ b/src/gallium/drivers/nv50/nv50_vbo.c
@@ -24,8 +24,8 @@
#include "pipe/p_state.h"
#include "util/u_inlines.h"
#include "util/u_format.h"
+#include "util/u_split_prim.h"
-#include "nouveau/nouveau_util.h"
#include "nv50_context.h"
#include "nv50_resource.h"
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 18:48:12 +0000