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Diffstat (limited to 'src/gallium/drivers/nvc0/nvc0_vbo.c')
-rw-r--r--src/gallium/drivers/nvc0/nvc0_vbo.c45
1 files changed, 29 insertions, 16 deletions
diff --git a/src/gallium/drivers/nvc0/nvc0_vbo.c b/src/gallium/drivers/nvc0/nvc0_vbo.c
index 1d4d07d93c2..5a6636f51c9 100644
--- a/src/gallium/drivers/nvc0/nvc0_vbo.c
+++ b/src/gallium/drivers/nvc0/nvc0_vbo.c
@@ -62,12 +62,15 @@ nvc0_vertex_state_create(struct pipe_context *pipe,
so->instance_bufs = 0;
so->need_conversion = FALSE;
+ memset(so->vb_access_size, 0, sizeof(so->vb_access_size));
+
transkey.nr_elements = 0;
transkey.output_stride = 0;
for (i = 0; i < num_elements; ++i) {
const struct pipe_vertex_element *ve = &elements[i];
const unsigned vbi = ve->vertex_buffer_index;
+ unsigned size;
enum pipe_format fmt = ve->src_format;
so->element[i].pipe = elements[i];
@@ -86,6 +89,10 @@ nvc0_vertex_state_create(struct pipe_context *pipe,
so->element[i].state = nvc0_format_table[fmt].vtx;
so->need_conversion = TRUE;
}
+ size = util_format_get_blocksize(fmt);
+
+ if (so->vb_access_size[vbi] < (ve->src_offset + size))
+ so->vb_access_size[vbi] = ve->src_offset + size;
if (unlikely(ve->instance_divisor)) {
so->instance_elts |= 1 << i;
@@ -109,7 +116,7 @@ nvc0_vertex_state_create(struct pipe_context *pipe,
transkey.output_stride = align(transkey.output_stride, ca);
transkey.element[j].output_format = fmt;
transkey.element[j].output_offset = transkey.output_stride;
- transkey.output_stride += util_format_get_blocksize(fmt);
+ transkey.output_stride += size;
so->element[i].state_alt = so->element[i].state;
so->element[i].state_alt |= transkey.element[j].output_offset << 7;
@@ -185,10 +192,11 @@ nvc0_vbuf_range(struct nvc0_context *nvc0, int vbi,
*base = 0;
*size = nvc0->vtxbuf[vbi].buffer->width0;
} else {
- assert(nvc0->vbo_max_index != ~0);
- *base = nvc0->vbo_min_index * nvc0->vtxbuf[vbi].stride;
- *size = (nvc0->vbo_max_index -
- nvc0->vbo_min_index + 1) * nvc0->vtxbuf[vbi].stride;
+ /* NOTE: if there are user buffers, we *must* have index bounds */
+ assert(nvc0->vb_elt_limit != ~0);
+ *base = nvc0->vb_elt_first * nvc0->vtxbuf[vbi].stride;
+ *size = nvc0->vb_elt_limit * nvc0->vtxbuf[vbi].stride +
+ nvc0->vertex->vb_access_size[vbi];
}
}
@@ -196,7 +204,7 @@ nvc0_vbuf_range(struct nvc0_context *nvc0, int vbi,
* and validate vertex buffers and upload user arrays (if normal mode).
*/
static uint8_t
-nvc0_prevalidate_vbufs(struct nvc0_context *nvc0)
+nvc0_prevalidate_vbufs(struct nvc0_context *nvc0, unsigned limits[])
{
const uint32_t bo_flags = NOUVEAU_BO_RD | NOUVEAU_BO_GART;
struct nouveau_bo *bo;
@@ -211,6 +219,7 @@ nvc0_prevalidate_vbufs(struct nvc0_context *nvc0)
for (i = 0; i < nvc0->num_vtxbufs; ++i) {
vb = &nvc0->vtxbuf[i];
+ limits[i] = 0;
if (!vb->stride)
continue;
buf = nv04_resource(vb->buffer);
@@ -224,6 +233,7 @@ nvc0_prevalidate_vbufs(struct nvc0_context *nvc0)
assert(vb->stride > vb->buffer_offset);
nvc0->vbo_user |= 1 << i;
nvc0_vbuf_range(nvc0, i, &base, &size);
+ limits[i] = base + size - 1;
bo = nouveau_scratch_data(&nvc0->base, buf, base, size);
if (bo)
BCTX_REFN_bo(nvc0->bufctx_3d, VTX_TMP, bo_flags, bo);
@@ -295,6 +305,7 @@ nvc0_vertex_arrays_validate(struct nvc0_context *nvc0)
struct nvc0_vertex_element *ve;
uint32_t const_vbos;
unsigned i;
+ unsigned limits[PIPE_MAX_ATTRIBS];
uint8_t vbo_mode;
boolean update_vertex;
@@ -303,7 +314,7 @@ nvc0_vertex_arrays_validate(struct nvc0_context *nvc0)
nvc0->vbo_user = 0;
vbo_mode = 3;
} else {
- vbo_mode = nvc0_prevalidate_vbufs(nvc0);
+ vbo_mode = nvc0_prevalidate_vbufs(nvc0, limits);
}
const_vbos = vbo_mode ? 0 : nvc0->constant_vbos;
@@ -378,7 +389,7 @@ nvc0_vertex_arrays_validate(struct nvc0_context *nvc0)
PUSH_SPACE(push, vertex->num_elements * 8);
for (i = 0; i < vertex->num_elements; ++i) {
struct nv04_resource *res;
- unsigned size, offset;
+ unsigned limit, offset;
if (nvc0->state.constant_elts & (1 << i))
continue;
@@ -387,7 +398,9 @@ nvc0_vertex_arrays_validate(struct nvc0_context *nvc0)
res = nv04_resource(vb->buffer);
offset = ve->pipe.src_offset + vb->buffer_offset;
- size = vb->buffer->width0;
+ limit = limits[ve->pipe.vertex_buffer_index];
+ if (!limit)
+ limit = vb->buffer->width0 - 1;
if (unlikely(ve->pipe.instance_divisor)) {
BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(i)), 4);
@@ -402,8 +415,8 @@ nvc0_vertex_arrays_validate(struct nvc0_context *nvc0)
PUSH_DATA (push, res->address + offset);
}
BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_LIMIT_HIGH(i)), 2);
- PUSH_DATAh(push, res->address + size - 1);
- PUSH_DATA (push, res->address + size - 1);
+ PUSH_DATAh(push, res->address + limit);
+ PUSH_DATA (push, res->address + limit);
}
}
@@ -699,15 +712,15 @@ nvc0_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
struct nvc0_context *nvc0 = nvc0_context(pipe);
struct nouveau_pushbuf *push = nvc0->base.pushbuf;
+ /* NOTE: caller must ensure that (min_index + index_bias) is >= 0 */
+ nvc0->vb_elt_first = info->min_index + info->index_bias;
+ nvc0->vb_elt_limit = info->max_index - info->min_index;
+
/* For picking only a few vertices from a large user buffer, push is better,
* if index count is larger and we expect repeated vertices, suggest upload.
*/
nvc0->vbo_push_hint =
- info->indexed &&
- (info->max_index - info->min_index) >= (info->count * 2);
-
- nvc0->vbo_min_index = info->min_index;
- nvc0->vbo_max_index = info->max_index;
+ info->indexed && (nvc0->vb_elt_limit >= (info->count * 2));
/* Check whether we want to switch vertex-submission mode,
* and if not, update user vbufs.
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 18:44:34 +0000