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Automatic batch freezing.

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This commit is contained in:
Roz K 2023-01-03 11:10:37 +01:00
parent 357066b315
commit a91a852887
Signed by: roz
GPG Key ID: 51FBF4E483E1C822
1 changed files with 37 additions and 13 deletions
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50
cpp/render/render_opengles.cpp
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@ -837,6 +837,32 @@ static void rk_pack_batch(
batch.state = RK_BATCH_STATE_PACKED;
}
static bool rk_compare_replace(
void * __restrict _dst,
void const * __restrict _src,
unsigned const size) {
rk_ulong hash = 0;
rk_ulong * dst = reinterpret_cast<rk_ulong *>(_dst);
rk_ulong const * src = reinterpret_cast<rk_ulong const *>(_src);
unsigned count = size / sizeof(rk_ulong);
unsigned remain = (size - count * sizeof(rk_ulong));
if (count) {
do {
hash |= *dst ^ *src;
*dst++ = *src++;
} while(--count > 0);
}
rk_ubyte * rdst = reinterpret_cast<rk_ubyte *>(dst);
rk_ubyte const * rsrc = reinterpret_cast<rk_ubyte const *>(src);
if (remain) {
do {
hash |= *rdst ^ *rsrc;
*rdst++ = *rsrc++;
} while(--remain > 0);
}
return (hash != 0);
}
void rk_fill_batch(
rk_batch_t _batch,
rk_uint count,
@ -861,30 +887,28 @@ void rk_fill_batch(
}
}
bool const is_empty = (batch->state < RK_BATCH_STATE_FILLED);
bool const resized = (count != batch->count);
bool const got_everything = (flags && meshes && got_all_params);
bool const need_sorting = (is_empty || flags || meshes || count != batch->count);
if (is_empty && !got_everything) {
rk_printf("rk_fill_batch(): cannot freeze and empty batch.");
return;
} else if (count > batch->count && !got_everything) {
rk_printf("rk_fill_batch(): cannot grow a frozen batch.");
} else {
batch->count = count;
}
if (flags) {
memcpy(batch->flags, flags, batch->count * sizeof(rk_instance_flags));
}
if (meshes) {
memcpy(batch->meshes, meshes, batch->count * sizeof(rk_mesh));
return;
}
batch->count = count;
bool const cmp_flags =
(flags && rk_compare_replace(batch->flags, flags, batch->count * sizeof(rk_instance_flags)));
bool const cmp_meshes =
(meshes && rk_compare_replace(batch->meshes, meshes, batch->count * sizeof(rk_mesh)));
bool const need_sorting = (cmp_flags || cmp_meshes || resized);
if (batch->nparams) {
rk_parameter const * const last_param = batch->params + batch->nparams;
if (got_any_params) {
rk_ubyte const * const * src = params;
for (rk_parameter const * dst = batch->params; dst < last_param; ++dst, ++src) {
dst->dirty = (need_sorting || *src);
if (*src) {
memcpy(dst->source, *src, batch->count * dst->src_size);
}
dst->dirty =
(*src && rk_compare_replace(dst->source, *src, batch->count * dst->src_size)) || need_sorting;
}
} else if (need_sorting) {
for (rk_parameter const * dst = batch->params; dst < last_param; ++dst) {