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authorKeith Whitwell <keith@tungstengraphics.com>2008-05-12 17:30:05 +0100
committerKeith Whitwell <keith@tungstengraphics.com>2008-05-12 17:40:55 +0100
commitf116a149160d50d43a23b02a3416725d6f895d51 (patch)
tree3293e3bd63c43ab168511ad26b6b91b8c18967a2 /src/gallium/drivers/softpipe/sp_prim_vbuf.c
parent90e86363de7dbcfda3490b5c31d701350a0fa2ef (diff)
softpipe: more work to get non-reduced primitives working in vbuf
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_prim_vbuf.c')
-rw-r--r--src/gallium/drivers/softpipe/sp_prim_vbuf.c45
1 files changed, 19 insertions, 26 deletions
diff --git a/src/gallium/drivers/softpipe/sp_prim_vbuf.c b/src/gallium/drivers/softpipe/sp_prim_vbuf.c
index 1399776ff0..e9fae951e0 100644
--- a/src/gallium/drivers/softpipe/sp_prim_vbuf.c
+++ b/src/gallium/drivers/softpipe/sp_prim_vbuf.c
@@ -116,15 +116,8 @@ sp_vbuf_set_primitive(struct vbuf_render *vbr, unsigned prim)
- if (prim == PIPE_PRIM_TRIANGLES ||
- prim == PIPE_PRIM_LINES ||
- prim == PIPE_PRIM_POINTS) {
- cvbr->prim = prim;
- return TRUE;
- }
- else {
- return FALSE;
- }
+ cvbr->prim = prim;
+ return TRUE;
}
@@ -201,7 +194,7 @@ sp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr)
break;
case PIPE_PRIM_TRIANGLE_STRIP:
- for (i = 2; i < nr; i += 3) {
+ 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),
@@ -211,7 +204,7 @@ sp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr)
case PIPE_PRIM_TRIANGLE_FAN:
case PIPE_PRIM_POLYGON:
- for (i = 2; i < nr; i += 3) {
+ 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),
@@ -223,10 +216,10 @@ sp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr)
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-1], stride));
+ get_vert(vertex_buffer, indices[i-0], stride));
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-1], stride),
get_vert(vertex_buffer, indices[i-0], stride));
}
@@ -234,14 +227,14 @@ sp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr)
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-1], 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),
- get_vert(vertex_buffer, indices[i-2], stride));
+ get_vert(vertex_buffer, indices[i-0], stride));
}
break;
default:
@@ -265,11 +258,13 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr)
struct softpipe_vbuf_render *cvbr = softpipe_vbuf_render(vbr);
struct softpipe_context *softpipe = cvbr->softpipe;
struct draw_stage *setup = softpipe->setup;
- const void *vertex_buffer = cvbr->vertex_buffer;
+ const void *vertex_buffer = NULL;
const unsigned stride = softpipe->vertex_info_vbuf.size * sizeof(float);
unsigned i;
struct setup_context *setup_ctx = sp_draw_setup_context(setup);
+ vertex_buffer = (void *)get_vert(cvbr->vertex_buffer, start, stride);
+
switch (cvbr->prim) {
case PIPE_PRIM_POINTS:
for (i = 0; i < nr; i++) {
@@ -318,7 +313,7 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr)
break;
case PIPE_PRIM_TRIANGLE_STRIP:
- for (i = 2; i < nr; i += 3) {
+ 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),
@@ -328,7 +323,7 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr)
case PIPE_PRIM_TRIANGLE_FAN:
case PIPE_PRIM_POLYGON:
- for (i = 2; i < nr; i += 3) {
+ for (i = 2; i < nr; i += 1) {
setup_tri( setup_ctx,
get_vert(vertex_buffer, 0, stride),
get_vert(vertex_buffer, i-1, stride),
@@ -336,31 +331,29 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr)
}
break;
case PIPE_PRIM_QUADS:
- assert(nr % 4 == 0);
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-1, stride));
+ get_vert(vertex_buffer, i-0, stride));
setup_tri( setup_ctx,
- get_vert(vertex_buffer, i-3, stride),
+ 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:
- assert(nr >= 4);
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-1, 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),
- get_vert(vertex_buffer, i-2, stride));
+ get_vert(vertex_buffer, i-0, stride));
}
break;
default: