/* This might mean two things:
* - src_format != native_format, as discussed above.
* - src_offset % 4 != 0 (if the caps don't allow such an offset). */
- boolean incompatible_layout;
- /* Per-element flags. */
- boolean incompatible_layout_elem[PIPE_MAX_ATTRIBS];
+ uint32_t incompatible_elem_mask; /* each bit describes a corresp. attrib */
+ /* Which buffer has at least one vertex element referencing it
+ * incompatible. */
+ uint32_t incompatible_vb_mask_any;
+ /* Which buffer has all vertex elements referencing it incompatible. */
+ uint32_t incompatible_vb_mask_all;
+ /* Which buffer has at least one vertex element referencing it
+ * compatible. */
+ uint32_t compatible_vb_mask_any;
+ /* Which buffer has all vertex elements referencing it compatible. */
+ uint32_t compatible_vb_mask_all;
+
+ /* Which buffer has at least one vertex element referencing it
+ * non-instanced. */
+ uint32_t noninstance_vb_mask_any;
void *driver_cso;
};
* stored in. */
unsigned fallback_vbs[VB_NUM];
- /* Whether there is any user buffer. */
- boolean any_user_vbs;
- /* Whether there is a buffer with a non-native layout. */
- boolean incompatible_vb_layout;
- /* Per-buffer flags. */
- boolean incompatible_vb[PIPE_MAX_ATTRIBS];
+ /* Which buffer is a user buffer. */
+ uint32_t user_vb_mask; /* each bit describes a corresp. buffer */
+ /* Which buffer is incompatible (unaligned). */
+ uint32_t incompatible_vb_mask; /* each bit describes a corresp. buffer */
+ /* Which buffer has a non-zero stride. */
+ uint32_t nonzero_stride_vb_mask; /* each bit describes a corresp. buffer */
};
static void *
/* Mark used vertex buffers as... used. */
for (i = 0; i < nr; i++) {
- if (!mgr->ve->incompatible_layout_elem[i]) {
+ if (!(mgr->ve->incompatible_elem_mask & (1 << i))) {
unsigned index = mgr->ve->ve[i].vertex_buffer_index;
- if (!mgr->incompatible_vb[index]) {
+ if (!(mgr->incompatible_vb_mask & (1 << index))) {
used_vb[index] = TRUE;
}
}
unsigned vb_index = mgr->ve->ve[i].vertex_buffer_index;
if (!mgr->vertex_buffer[vb_index].stride) {
- if (!mgr->ve->incompatible_layout_elem[i] &&
- !mgr->incompatible_vb[vb_index]) {
+ if (!(mgr->ve->incompatible_elem_mask & (1 << i)) &&
+ !(mgr->incompatible_vb_mask & (1 << vb_index))) {
continue;
}
mask[VB_CONST] |= 1 << vb_index;
} else if (mgr->ve->ve[i].instance_divisor) {
- if (!mgr->ve->incompatible_layout_elem[i] &&
- !mgr->incompatible_vb[vb_index]) {
+ if (!(mgr->ve->incompatible_elem_mask & (1 << i)) &&
+ !(mgr->incompatible_vb_mask & (1 << vb_index))) {
continue;
}
mask[VB_INSTANCE] |= 1 << vb_index;
} else {
if (!unroll_indices &&
- !mgr->ve->incompatible_layout_elem[i] &&
- !mgr->incompatible_vb[vb_index]) {
+ !(mgr->ve->incompatible_elem_mask & (1 << i)) &&
+ !(mgr->incompatible_vb_mask & (1 << vb_index))) {
continue;
}
mask[VB_VERTEX] |= 1 << vb_index;
unsigned bit, vb_index = mgr->ve->ve[i].vertex_buffer_index;
bit = 1 << vb_index;
- if (!mgr->ve->incompatible_layout_elem[i] &&
- !mgr->incompatible_vb[vb_index] &&
+ if (!(mgr->ve->incompatible_elem_mask & (1 << i)) &&
+ !(mgr->incompatible_vb_mask & (1 << vb_index)) &&
(!unroll_indices || !(mask[VB_VERTEX] & bit))) {
continue;
}
unsigned i;
struct pipe_vertex_element driver_attribs[PIPE_MAX_ATTRIBS];
struct u_vbuf_elements *ve = CALLOC_STRUCT(u_vbuf_elements);
+ uint32_t used_buffers = 0;
ve->count = count;
ve->src_format_size[i] = util_format_get_blocksize(format);
+ used_buffers |= 1 << ve->ve[i].vertex_buffer_index;
+
+ if (!ve->ve[i].instance_divisor) {
+ ve->noninstance_vb_mask_any |= 1 << ve->ve[i].vertex_buffer_index;
+ }
+
/* Choose a native format.
* For now we don't care about the alignment, that's going to
* be sorted out later. */
ve->native_format_size[i] =
util_format_get_blocksize(ve->native_format[i]);
- ve->incompatible_layout_elem[i] =
- ve->ve[i].src_format != format ||
- (!mgr->caps.velem_src_offset_unaligned &&
- ve->ve[i].src_offset % 4 != 0);
- ve->incompatible_layout =
- ve->incompatible_layout ||
- ve->incompatible_layout_elem[i];
+ if (ve->ve[i].src_format != format ||
+ (!mgr->caps.velem_src_offset_unaligned &&
+ ve->ve[i].src_offset % 4 != 0)) {
+ ve->incompatible_elem_mask |= 1 << i;
+ ve->incompatible_vb_mask_any |= 1 << ve->ve[i].vertex_buffer_index;
+ } else {
+ ve->compatible_vb_mask_any |= 1 << ve->ve[i].vertex_buffer_index;
+ }
}
+ ve->compatible_vb_mask_all = ~ve->incompatible_vb_mask_any & used_buffers;
+ ve->incompatible_vb_mask_all = ~ve->compatible_vb_mask_any & used_buffers;
+
/* Align the formats to the size of DWORD if needed. */
if (!mgr->caps.velem_src_offset_unaligned) {
for (i = 0; i < count; i++) {
{
unsigned i;
- mgr->any_user_vbs = FALSE;
- mgr->incompatible_vb_layout = FALSE;
- memset(mgr->incompatible_vb, 0, sizeof(mgr->incompatible_vb));
+ mgr->user_vb_mask = 0;
+ mgr->incompatible_vb_mask = 0;
+ mgr->nonzero_stride_vb_mask = 0;
for (i = 0; i < count; i++) {
const struct pipe_vertex_buffer *vb = &bufs[i];
real_vb->buffer_offset = orig_vb->buffer_offset = vb->buffer_offset;
real_vb->stride = orig_vb->stride = vb->stride;
+ if (vb->stride) {
+ mgr->nonzero_stride_vb_mask |= 1 << i;
+ }
+
if (!vb->buffer) {
pipe_resource_reference(&real_vb->buffer, NULL);
continue;
if ((!mgr->caps.buffer_offset_unaligned && vb->buffer_offset % 4 != 0) ||
(!mgr->caps.buffer_stride_unaligned && vb->stride % 4 != 0)) {
- mgr->incompatible_vb[i] = TRUE;
- mgr->incompatible_vb_layout = TRUE;
+ mgr->incompatible_vb_mask |= 1 << i;
pipe_resource_reference(&real_vb->buffer, NULL);
continue;
}
if (vb->buffer->user_ptr) {
- mgr->any_user_vbs = TRUE;
+ mgr->user_vb_mask |= 1 << i;
pipe_resource_reference(&real_vb->buffer, NULL);
continue;
}
static boolean u_vbuf_need_minmax_index(struct u_vbuf *mgr)
{
- unsigned i, nr = mgr->ve->count;
-
- for (i = 0; i < nr; i++) {
- struct pipe_vertex_buffer *vb;
- unsigned index;
-
- /* Per-instance attribs don't need min/max_index. */
- if (mgr->ve->ve[i].instance_divisor) {
- continue;
- }
-
- index = mgr->ve->ve[i].vertex_buffer_index;
- vb = &mgr->vertex_buffer[index];
-
- /* Constant attribs don't need min/max_index. */
- if (!vb->stride) {
- continue;
- }
-
- /* Per-vertex attribs need min/max_index. */
- if (vb->buffer->user_ptr ||
- mgr->ve->incompatible_layout_elem[i] ||
- mgr->incompatible_vb[index]) {
- return TRUE;
- }
- }
-
- return FALSE;
+ /* See if there are any per-vertex attribs which will be uploaded or
+ * translated. Use bitmasks to get the info instead of looping over vertex
+ * elements. */
+ return ((mgr->user_vb_mask | mgr->incompatible_vb_mask |
+ mgr->ve->incompatible_vb_mask_any) &
+ mgr->ve->noninstance_vb_mask_any & mgr->nonzero_stride_vb_mask) != 0;
}
static boolean u_vbuf_mapping_vertex_buffer_blocks(struct u_vbuf *mgr)
{
- unsigned i, nr = mgr->ve->count;
-
- for (i = 0; i < nr; i++) {
- struct pipe_vertex_buffer *vb;
- unsigned index;
-
- /* Per-instance attribs are not per-vertex data. */
- if (mgr->ve->ve[i].instance_divisor) {
- continue;
- }
-
- index = mgr->ve->ve[i].vertex_buffer_index;
- vb = &mgr->vertex_buffer[index];
-
- /* Constant attribs are not per-vertex data. */
- if (!vb->stride) {
- continue;
- }
-
- /* Return true for the hw buffers which don't need to be translated. */
- /* XXX we could use some kind of a is-busy query. */
- if (!vb->buffer->user_ptr &&
- !mgr->ve->incompatible_layout_elem[i] &&
- !mgr->incompatible_vb[index]) {
- return TRUE;
- }
- }
-
- return FALSE;
+ /* Return true if there are hw buffers which don't need to be translated.
+ *
+ * We could query whether each buffer is busy, but that would
+ * be way more costly than this. */
+ return (~mgr->user_vb_mask & ~mgr->incompatible_vb_mask &
+ mgr->ve->compatible_vb_mask_all & mgr->ve->noninstance_vb_mask_any &
+ mgr->nonzero_stride_vb_mask) != 0;
}
static void u_vbuf_get_minmax_index(struct pipe_context *pipe,
boolean unroll_indices = FALSE;
/* Normal draw. No fallback and no user buffers. */
- if (!mgr->incompatible_vb_layout &&
- !mgr->ve->incompatible_layout &&
- !mgr->any_user_vbs) {
+ if (!mgr->incompatible_vb_mask &&
+ !mgr->ve->incompatible_elem_mask &&
+ !mgr->user_vb_mask) {
/* Set vertex buffers if needed. */
if (mgr->vertex_buffers_dirty) {
pipe->set_vertex_buffers(pipe, mgr->nr_real_vertex_buffers,
}
if (info->indexed) {
- int max_index;
- boolean index_bounds_valid = FALSE;
-
- if (info->max_index != ~0) {
- min_index = info->min_index;
- max_index = info->max_index;
- index_bounds_valid = TRUE;
- } else if (u_vbuf_need_minmax_index(mgr)) {
- u_vbuf_get_minmax_index(mgr->pipe, &mgr->index_buffer, info,
- &min_index, &max_index);
- index_bounds_valid = TRUE;
- }
+ /* See if anything needs to be done for per-vertex attribs. */
+ if (u_vbuf_need_minmax_index(mgr)) {
+ int max_index;
+
+ if (info->max_index != ~0) {
+ min_index = info->min_index;
+ max_index = info->max_index;
+ } else {
+ u_vbuf_get_minmax_index(mgr->pipe, &mgr->index_buffer, info,
+ &min_index, &max_index);
+ }
- /* If the index bounds are valid, it means some upload or translation
- * of per-vertex attribs will be performed. */
- if (index_bounds_valid) {
assert(min_index <= max_index);
start_vertex = min_index + info->index_bias;
/* Translate vertices with non-native layouts or formats. */
if (unroll_indices ||
- mgr->incompatible_vb_layout ||
- mgr->ve->incompatible_layout) {
+ mgr->incompatible_vb_mask ||
+ mgr->ve->incompatible_elem_mask) {
/* XXX check the return value */
u_vbuf_translate_begin(mgr, start_vertex, num_vertices,
info->start_instance, info->instance_count,
}
/* Upload user buffers. */
- if (mgr->any_user_vbs) {
+ if (mgr->user_vb_mask) {
u_vbuf_upload_buffers(mgr, start_vertex, num_vertices,
info->start_instance, info->instance_count);
}
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