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authorBrian Paul <[email protected]>2009-06-19 09:15:34 -0600
committerBrian Paul <[email protected]>2009-06-19 09:15:34 -0600
commit9038b6c8bbda49c544d777c7cf7b107887421c77 (patch)
tree7cfbf496dbc029ca134ede4669511cd6e94ef85a /src/gallium/drivers/softpipe
parent0342229289c3bd5ed7bc595db4fc88003430209e (diff)
parent0ddc4dbe43422211e6f3fb3278e7b2f55a25976b (diff)
Merge branch 'ext-provoking-vertex'
Conflicts: docs/relnotes-7.6.html progs/tests/Makefile src/gallium/drivers/softpipe/sp_prim_vbuf.c src/glx/x11/indirect.c src/mesa/glapi/Makefile src/mesa/glapi/dispatch.h src/mesa/glapi/glapioffsets.h src/mesa/glapi/glapitable.h src/mesa/glapi/glapitemp.h src/mesa/glapi/glprocs.h src/mesa/main/dlist.c src/mesa/main/enums.c src/mesa/sparc/glapi_sparc.S src/mesa/x86-64/glapi_x86-64.S src/mesa/x86/glapi_x86.S
Diffstat (limited to 'src/gallium/drivers/softpipe')
-rw-r--r--src/gallium/drivers/softpipe/sp_prim_vbuf.c229
-rw-r--r--src/gallium/drivers/softpipe/sp_setup.c5
2 files changed, 168 insertions, 66 deletions
diff --git a/src/gallium/drivers/softpipe/sp_prim_vbuf.c b/src/gallium/drivers/softpipe/sp_prim_vbuf.c
index 06725fd09b4..42021789ea8 100644
--- a/src/gallium/drivers/softpipe/sp_prim_vbuf.c
+++ b/src/gallium/drivers/softpipe/sp_prim_vbuf.c
@@ -238,65 +238,117 @@ sp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr)
case PIPE_PRIM_TRIANGLES:
for (i = 2; i < nr; i += 3) {
- setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-0], stride));
+ if (softpipe->rasterizer->flatshade_first) {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, indices[i-1], stride),
+ get_vert(vertex_buffer, indices[i-0], stride),
+ get_vert(vertex_buffer, indices[i-2], stride) );
+ }
+ else {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, indices[i-2], stride),
+ get_vert(vertex_buffer, indices[i-1], stride),
+ get_vert(vertex_buffer, indices[i-0], stride) );
+ }
}
break;
case PIPE_PRIM_TRIANGLE_STRIP:
for (i = 2; i < nr; i += 1) {
- setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i+(i&1)-2], stride),
- get_vert(vertex_buffer, indices[i-(i&1)-1], stride),
- get_vert(vertex_buffer, indices[i-0], stride));
+ if (softpipe->rasterizer->flatshade_first) {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, indices[i+(i&1)-1], stride),
+ get_vert(vertex_buffer, indices[i-(i&1)], stride),
+ get_vert(vertex_buffer, indices[i-2], stride) );
+ }
+ else {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, indices[i+(i&1)-2], stride),
+ get_vert(vertex_buffer, indices[i-(i&1)-1], stride),
+ get_vert(vertex_buffer, indices[i-0], stride) );
+ }
}
break;
case PIPE_PRIM_TRIANGLE_FAN:
for (i = 2; i < nr; i += 1) {
- setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[0], stride),
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-0], stride));
+ if (softpipe->rasterizer->flatshade_first) {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, indices[i-0], stride),
+ get_vert(vertex_buffer, indices[0], stride),
+ get_vert(vertex_buffer, indices[i-1], stride) );
+ }
+ else {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, indices[0], stride),
+ get_vert(vertex_buffer, indices[i-1], stride),
+ get_vert(vertex_buffer, indices[i-0], stride) );
+ }
}
break;
case PIPE_PRIM_QUADS:
for (i = 3; i < nr; i += 4) {
- setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i-3], stride),
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-0], stride));
-
- setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-0], stride));
+ if (softpipe->rasterizer->flatshade_first) {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, indices[i-2], stride),
+ get_vert(vertex_buffer, indices[i-1], stride),
+ get_vert(vertex_buffer, indices[i-3], stride) );
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, indices[i-1], stride),
+ get_vert(vertex_buffer, indices[i-0], stride),
+ get_vert(vertex_buffer, indices[i-3], stride) );
+ }
+ else {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, indices[i-3], stride),
+ get_vert(vertex_buffer, indices[i-2], stride),
+ get_vert(vertex_buffer, indices[i-0], stride) );
+
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, indices[i-2], stride),
+ get_vert(vertex_buffer, indices[i-1], stride),
+ get_vert(vertex_buffer, indices[i-0], stride) );
+ }
}
break;
case PIPE_PRIM_QUAD_STRIP:
for (i = 3; i < nr; i += 2) {
- setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i-3], stride),
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-0], stride));
-
- setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-3], stride),
- get_vert(vertex_buffer, indices[i-0], stride));
+ if (softpipe->rasterizer->flatshade_first) {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, indices[i-0], stride),
+ get_vert(vertex_buffer, indices[i-1], stride),
+ get_vert(vertex_buffer, indices[i-3], stride));
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, indices[i-2], stride),
+ get_vert(vertex_buffer, indices[i-0], stride),
+ get_vert(vertex_buffer, indices[i-3], stride) );
+ }
+ else {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, indices[i-3], stride),
+ get_vert(vertex_buffer, indices[i-2], stride),
+ get_vert(vertex_buffer, indices[i-0], stride) );
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, indices[i-1], stride),
+ get_vert(vertex_buffer, indices[i-3], stride),
+ get_vert(vertex_buffer, indices[i-0], stride) );
+ }
}
break;
case PIPE_PRIM_POLYGON:
+ /* Almost same as tri fan but the _first_ vertex specifies the flat
+ * shading color. Note that the first polygon vertex is passed as
+ * the last triangle vertex here.
+ * flatshade_first state makes no difference.
+ */
for (i = 2; i < nr; i += 1) {
setup_tri( setup_ctx,
- get_vert(vertex_buffer, indices[0-1], stride),
get_vert(vertex_buffer, indices[i-0], stride),
- get_vert(vertex_buffer, indices[0], stride));
+ get_vert(vertex_buffer, indices[i-1], stride),
+ get_vert(vertex_buffer, indices[0], stride) );
}
break;
@@ -368,58 +420,104 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr)
}
break;
-
case PIPE_PRIM_TRIANGLES:
for (i = 2; i < nr; i += 3) {
- setup_tri( setup_ctx,
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-0, stride));
+ if (softpipe->rasterizer->flatshade_first) {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, i-1, stride),
+ get_vert(vertex_buffer, i-0, stride),
+ get_vert(vertex_buffer, i-2, stride) );
+ }
+ else {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, i-2, stride),
+ get_vert(vertex_buffer, i-1, stride),
+ get_vert(vertex_buffer, i-0, stride) );
+ }
}
break;
case PIPE_PRIM_TRIANGLE_STRIP:
- for (i = 2; i < nr; i += 1) {
- setup_tri( setup_ctx,
- get_vert(vertex_buffer, i+(i&1)-2, stride),
- get_vert(vertex_buffer, i-(i&1)-1, stride),
- get_vert(vertex_buffer, i-0, stride));
+ for (i = 2; i < nr; i++) {
+ if (softpipe->rasterizer->flatshade_first) {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, i+(i&1)-1, stride),
+ get_vert(vertex_buffer, i-(i&1), stride),
+ get_vert(vertex_buffer, i-2, stride) );
+ }
+ else {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, i+(i&1)-2, stride),
+ get_vert(vertex_buffer, i-(i&1)-1, stride),
+ get_vert(vertex_buffer, i-0, stride) );
+ }
}
break;
case PIPE_PRIM_TRIANGLE_FAN:
for (i = 2; i < nr; i += 1) {
- setup_tri( setup_ctx,
- get_vert(vertex_buffer, 0, stride),
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-0, stride));
+ if (softpipe->rasterizer->flatshade_first) {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, i-0, stride),
+ get_vert(vertex_buffer, 0, stride),
+ get_vert(vertex_buffer, i-1, stride) );
+ }
+ else {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, 0, stride),
+ get_vert(vertex_buffer, i-1, stride),
+ get_vert(vertex_buffer, i-0, stride) );
+ }
}
break;
case PIPE_PRIM_QUADS:
for (i = 3; i < nr; i += 4) {
- setup_tri( setup_ctx,
- get_vert(vertex_buffer, i-3, stride),
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-0, stride));
-
- setup_tri( setup_ctx,
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-0, stride));
+ if (softpipe->rasterizer->flatshade_first) {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, i-2, stride),
+ get_vert(vertex_buffer, i-1, stride),
+ get_vert(vertex_buffer, i-3, stride) );
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, i-1, stride),
+ get_vert(vertex_buffer, i-0, stride),
+ get_vert(vertex_buffer, i-3, stride) );
+ }
+ else {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, i-3, stride),
+ get_vert(vertex_buffer, i-2, stride),
+ get_vert(vertex_buffer, i-0, stride) );
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, i-2, stride),
+ get_vert(vertex_buffer, i-1, stride),
+ get_vert(vertex_buffer, i-0, stride) );
+ }
}
break;
+
case PIPE_PRIM_QUAD_STRIP:
for (i = 3; i < nr; i += 2) {
- setup_tri( setup_ctx,
- get_vert(vertex_buffer, i-3, stride),
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-0, stride));
-
- setup_tri( setup_ctx,
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-3, stride),
- get_vert(vertex_buffer, i-0, stride));
+ if (softpipe->rasterizer->flatshade_first) {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, i-0, stride),
+ get_vert(vertex_buffer, i-1, stride),
+ get_vert(vertex_buffer, i-3, stride) );
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, i-2, stride),
+ get_vert(vertex_buffer, i-0, stride),
+ get_vert(vertex_buffer, i-3, stride) );
+ }
+ else {
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, i-3, stride),
+ get_vert(vertex_buffer, i-2, stride),
+ get_vert(vertex_buffer, i-0, stride) );
+ setup_tri( setup_ctx,
+ get_vert(vertex_buffer, i-1, stride),
+ get_vert(vertex_buffer, i-3, stride),
+ get_vert(vertex_buffer, i-0, stride) );
+ }
}
break;
@@ -427,12 +525,13 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr)
/* Almost same as tri fan but the _first_ vertex specifies the flat
* shading color. Note that the first polygon vertex is passed as
* the last triangle vertex here.
+ * flatshade_first state makes no difference.
*/
for (i = 2; i < nr; i += 1) {
setup_tri( setup_ctx,
get_vert(vertex_buffer, i-1, stride),
get_vert(vertex_buffer, i-0, stride),
- get_vert(vertex_buffer, 0, stride));
+ get_vert(vertex_buffer, 0, stride) );
}
break;
diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c
index cb5d0fb6c2a..5a0715ea5c3 100644
--- a/src/gallium/drivers/softpipe/sp_setup.c
+++ b/src/gallium/drivers/softpipe/sp_setup.c
@@ -1054,7 +1054,10 @@ setup_line_coefficients(struct setup_context *setup,
float area;
/* use setup->vmin, vmax to point to vertices */
- setup->vprovoke = v1;
+ if (softpipe->rasterizer->flatshade_first)
+ setup->vprovoke = v0;
+ else
+ setup->vprovoke = v1;
setup->vmin = v0;
setup->vmax = v1;