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Batch freezing.

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This commit is contained in:
Roz K
2023-01-03 05:28:24 +01:00
parent ed87f292ff
commit baac333b44
1 changed files with 125 additions and 101 deletions
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168
cpp/render/render_opengles.cpp
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@ -601,9 +601,9 @@ rk_batch_t rk_create_batch(
break; break;
} }
} }
++binding; binding += 1;
offset = 0;
if (nparams) { if (nparams) {
offset = 0;
rk_parameter * param = batch->params; rk_parameter * param = batch->params;
for (rk_param_format const * f = params_format; *f; ++f, ++param, ++binding) { for (rk_param_format const * f = params_format; *f; ++f, ++param, ++binding) {
GLboolean const norm = (*f & RK_PARAM_FORMAT_NORMALIZE) != 0; GLboolean const norm = (*f & RK_PARAM_FORMAT_NORMALIZE) != 0;
@ -773,57 +773,6 @@ RK_EXPORT void rk_draw_triangles(
} }
} }
void rk_fill_batch(
rk_batch_t _batch,
rk_uint count,
rk_instance_flags const * flags,
rk_mesh const * meshes,
rk_ubyte const * const * params) {
rk_batch const * const batch = reinterpret_cast<rk_batch const *>(_batch);
if (!batch || !count || count > batch->max_size) {
rk_printf("rk_fill_batch(): invalid params.");
return;
}
bool const need_params = (batch->nparams > 0);
bool got_params = false;
bool all_params = false;
if (params != nullptr) {
all_params = true;
for (rk_ubyte const * const * param = params; param < params + batch->nparams; ++param) {
bool const got_param = (*param != nullptr);
got_params |= got_param;
all_params &= got_param;
}
}
bool const got_all = (flags && meshes && (!need_params || all_params));
if (count > batch->count && !got_all) {
rk_printf("rk_fill_batch(): cannot grow without all flags, meshes and params.");
return;
}
bool const need_sorting = (flags || meshes || count != batch->count);
batch->count = count;
if (flags) {
memcpy(batch->flags, flags, count * sizeof(rk_instance_flags));
}
if (meshes) {
memcpy(batch->meshes, meshes, count * sizeof(rk_mesh));
}
if (need_params && got_params) {
rk_ubyte const * const * src = params;
for (rk_parameter const * dst = batch->params; dst < batch->params + batch->nparams; ++dst, ++src) {
dst->dirty = (*src || need_sorting);
if (*src) {
memcpy(dst->source, *src, count * dst->src_size);
}
}
}
if (need_sorting) {
batch->state = RK_BATCH_STATE_FILLED;
} else {
batch->state = RK_BATCH_STATE_SORTED;
}
}
static void rk_sort_batch( static void rk_sort_batch(
rk_batch const & batch) { rk_batch const & batch) {
rk_instance_flags const * flags = batch.flags; rk_instance_flags const * flags = batch.flags;
@ -858,16 +807,17 @@ static void rk_sort_batch(
command->base_instance = base - batch.indices; command->base_instance = base - batch.indices;
} }
batch.ncommands = command - batch.commands; batch.ncommands = command - batch.commands;
if (rk_MultiDrawElementsIndirect && batch.ncommands) {
glBufferSubData(GL_DRAW_INDIRECT_BUFFER, 0, batch.ncommands * sizeof(rk_command), batch.commands);
}
} }
if (batch.nparams) {
batch.state = RK_BATCH_STATE_SORTED; batch.state = RK_BATCH_STATE_SORTED;
} else {
batch.state = RK_BATCH_STATE_PACKED;
}
} }
static void rk_pack_batch( static void rk_pack_batch(
rk_batch const & batch) { rk_batch const & batch) {
if (batch.nparams) {
glBindBuffer(GL_ARRAY_BUFFER, batch.params_buffer);
for (rk_parameter const * param = batch.params; param < batch.params + batch.nparams; ++param) { for (rk_parameter const * param = batch.params; param < batch.params + batch.nparams; ++param) {
if (param->dirty) { if (param->dirty) {
param->dirty = false; param->dirty = false;
@ -882,12 +832,87 @@ static void rk_pack_batch(
} }
} }
} }
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
batch.state = RK_BATCH_STATE_PACKED; batch.state = RK_BATCH_STATE_PACKED;
} }
void rk_fill_batch(
rk_batch_t _batch,
rk_uint count,
rk_instance_flags const * flags,
rk_mesh const * meshes,
rk_ubyte const * const * params) {
rk_batch const * const batch = reinterpret_cast<rk_batch const *>(_batch);
if (!batch || !count || count > batch->max_size) {
rk_printf("rk_fill_batch(): invalid params.");
return;
}
bool got_any_params = false;
bool got_all_params = !batch->nparams;
if (batch->nparams) {
got_all_params = (params != nullptr);
if (params) {
for (rk_ubyte const * const * param = params; param < params + batch->nparams; ++param) {
bool const got_param = (*param != nullptr);
got_any_params |= got_param;
got_all_params &= got_param;
}
}
}
bool const is_empty = (batch->state < RK_BATCH_STATE_FILLED);
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.");
} 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));
}
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);
}
}
} else if (need_sorting) {
for (rk_parameter const * dst = batch->params; dst < last_param; ++dst) {
dst->dirty = true;
}
}
}
if (is_empty) {
glBindVertexArray(batch->vertex_array);
if (rk_MultiDrawElementsIndirect) {
glBindBuffer(GL_DRAW_INDIRECT_BUFFER, batch->commands_buffer);
}
rk_sort_batch(*batch);
rk_pack_batch(*batch);
if (rk_MultiDrawElementsIndirect) {
glBindBuffer(GL_DRAW_INDIRECT_BUFFER, 0);
}
glBindVertexArray(0);
} else if (need_sorting) {
batch->state = RK_BATCH_STATE_FILLED;
} else {
batch->state = RK_BATCH_STATE_SORTED;
}
}
void rk_draw_batch( void rk_draw_batch(
rk_batch_t _batch) { rk_batch_t _batch) {
rk_batch * const batch = reinterpret_cast<rk_batch *>(_batch); rk_batch const * const batch = reinterpret_cast<rk_batch const *>(_batch);
if (!batch) { if (!batch) {
rk_printf("rk_draw_batch(): invalid params."); rk_printf("rk_draw_batch(): invalid params.");
return; return;
@ -896,29 +921,23 @@ void rk_draw_batch(
rk_printf("rk_draw_batch(): invalid state."); rk_printf("rk_draw_batch(): invalid state.");
return; return;
} }
if (batch->state < RK_BATCH_STATE_SORTED) {
rk_sort_batch(*batch);
}
if (!batch->ncommands) {
return;
}
glBindVertexArray(batch->vertex_array); glBindVertexArray(batch->vertex_array);
if (rk_MultiDrawElementsIndirect) { if (rk_MultiDrawElementsIndirect) {
glBindBuffer(GL_DRAW_INDIRECT_BUFFER, batch->commands_buffer); glBindBuffer(GL_DRAW_INDIRECT_BUFFER, batch->commands_buffer);
glBufferSubData(GL_DRAW_INDIRECT_BUFFER, 0, batch->ncommands * sizeof(rk_command), batch->commands);
} }
if (batch->state < RK_BATCH_STATE_PACKED) { if (batch->state < RK_BATCH_STATE_SORTED) {
glBindBuffer(GL_ARRAY_BUFFER, batch->params_buffer); rk_sort_batch(*batch);
}
if (batch->state < RK_BATCH_STATE_PACKED && batch->nparams) {
rk_pack_batch(*batch); rk_pack_batch(*batch);
glBindBuffer(GL_ARRAY_BUFFER, 0);
} }
rk_command const * const last_command = batch->commands + batch->ncommands; if (batch->ncommands) {
if (rk_DrawElementsInstancedBaseInstance) { if (rk_DrawElementsInstancedBaseInstance) {
if (rk_MultiDrawElementsIndirect) { if (rk_MultiDrawElementsIndirect) {
rk_MultiDrawElementsIndirect( rk_MultiDrawElementsIndirect(
GL_TRIANGLES, GL_UNSIGNED_SHORT, nullptr, batch->ncommands, sizeof(rk_command)); GL_TRIANGLES, GL_UNSIGNED_SHORT, nullptr, batch->ncommands, sizeof(rk_command));
glBindBuffer(GL_DRAW_INDIRECT_BUFFER, 0);
} else { } else {
rk_command const * const last_command = batch->commands + batch->ncommands;
for (rk_command const * command = batch->commands; command < last_command; ++command) { for (rk_command const * command = batch->commands; command < last_command; ++command) {
rk_DrawElementsInstancedBaseInstance( rk_DrawElementsInstancedBaseInstance(
GL_TRIANGLES, command->nvertices, GL_UNSIGNED_SHORT, GL_TRIANGLES, command->nvertices, GL_UNSIGNED_SHORT,
@ -927,20 +946,25 @@ void rk_draw_batch(
} }
} }
} else { } else {
unsigned param_index = 0; rk_command const * const last_command = batch->commands + batch->ncommands;
rk_parameter const * const last_param = batch->params + batch->nparams; rk_parameter const * const last_param = batch->params + batch->nparams;
unsigned param_index = 0;
for (rk_command const * command = batch->commands; command < last_command; ++command) { for (rk_command const * command = batch->commands; command < last_command; ++command) {
for (rk_parameter const * param = batch->params; param < last_param; ++param) { for (rk_parameter const * param = batch->params; param < last_param; ++param) {
glBindVertexBuffer(param->binding, batch->params_buffer, glBindVertexBuffer(param->binding, batch->params_buffer,
param->offset + param_index * param->dst_size, param->dst_size); param->offset + param_index * param->dst_size, param->dst_size);
} }
param_index += command->ninstances;
glDrawElementsInstanced( glDrawElementsInstanced(
GL_TRIANGLES, command->nvertices, GL_UNSIGNED_SHORT, GL_TRIANGLES, command->nvertices, GL_UNSIGNED_SHORT,
reinterpret_cast<void const *>(command->base_index << 1), reinterpret_cast<void const *>(command->base_index << 1),
command->ninstances); command->ninstances);
param_index += command->ninstances;
} }
} }
}
if (rk_MultiDrawElementsIndirect) {
glBindBuffer(GL_DRAW_INDIRECT_BUFFER, 0);
}
glBindVertexArray(0); glBindVertexArray(0);
} }